altera: fix 64 bits hex display (PRIx64)

parsing

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.10)
 
 # set the project name
-project(openFPGALoader VERSION "1.1.0" LANGUAGES CXX)
+project(openFPGALoader VERSION "1.1.1" LANGUAGES CXX)
 add_definitions(-DVERSION=\"v${PROJECT_VERSION}\")
 
 #if(CMAKE_SYSTEM_NAME STREQUAL "Windows" AND NOT CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
@@ -66,11 +66,13 @@ endif()
 
 # XVC and RemoteBitbang are not available on Windows OS.
 if (NOT ${CMAKE_SYSTEM_NAME} MATCHES "Windows")
-	option(ENABLE_REMOTEBITBANG        "enable remote bitbang driver"              ${ENABLE_CABLE_ALL})
-	option(ENABLE_XILINX_VIRTUAL_CABLE "enable Xilinx Virtual Cable (XVC) support" ${ENABLE_CABLE_ALL})
+	option(ENABLE_REMOTEBITBANG               "enable remote bitbang driver"              ${ENABLE_CABLE_ALL})
+	option(ENABLE_XILINX_VIRTUAL_CABLE_CLIENT "enable Xilinx Virtual Cable (XVC) client support" ${ENABLE_CABLE_ALL})
+	option(ENABLE_XILINX_VIRTUAL_CABLE_SERVER "enable Xilinx Virtual Cable (XVC) server support" ${ENABLE_CABLE_ALL})
 else()
-	set(ENABLE_REMOTEBITBANG        OFF)
-	set(ENABLE_XILINX_VIRTUAL_CABLE OFF)
+	set(ENABLE_REMOTEBITBANG               OFF)
+	set(ENABLE_XILINX_VIRTUAL_CABLE_CLIENT OFF)
+	set(ENABLE_XILINX_VIRTUAL_CABLE_SERVER OFF)
 endif()
 
 ####################################################################################################
@@ -102,11 +104,11 @@ set(USE_LIBUSB_LL OFF)
 
 # Only adds libftdi as dependency when a cable
 # need this library.
-if (ENABLE_FTDI_BASED_CABLE OR ENABLE_USB_BLASTERI OR ENABLE_XILINX_VIRTUAL_CABLE)
+if (ENABLE_FTDI_BASED_CABLE OR ENABLE_USB_BLASTERI OR ENABLE_XILINX_VIRTUAL_CABLE_SERVER)
 	set(USE_LIBFTDI ON)
 else()
 	message("disabled all cables based on FTDI devices")
-endif(ENABLE_FTDI_BASED_CABLE OR ENABLE_USB_BLASTERI OR ENABLE_XILINX_VIRTUAL_CABLE)
+endif(ENABLE_FTDI_BASED_CABLE OR ENABLE_USB_BLASTERI OR ENABLE_XILINX_VIRTUAL_CABLE_SERVER)
 
 # Only adds libusb as dependency when a cable need this library
 if (ENABLE_DFU OR ENABLE_ANLOGIC_CABLE OR ENABLE_CH347 OR ENABLE_DIRTYJTAG
@@ -160,7 +162,7 @@ endif()
 ####################################################################################################
 
 ## specify the C++ standard
-set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
 set(CMAKE_CXX_FLAGS_DEBUG "-g -Wall -Wextra ${CMAKE_CXX_FLAGS_DEBUG}")
 if(ENABLE_OPTIM AND NOT(CMAKE_BUILD_TYPE STREQUAL "Debug"))
@@ -335,8 +337,7 @@ endif()
 list(APPEND OPENFPGALOADER_SOURCE
 	src/bpiFlash.cpp
 	src/spiFlash.cpp
-	src/spiInterface.cpp
-	src/epcq.cpp
+	src/flashInterface.cpp
 	src/jtag.cpp
 )
 
@@ -346,8 +347,7 @@ list(APPEND OPENFPGALOADER_HEADERS
 	src/jtagInterface.hpp
 	src/spiFlash.hpp
 	src/spiFlashdb.hpp
-	src/epcq.hpp
-	src/spiInterface.hpp
+	src/flashInterface.hpp
 )
 
 # FTDI Based cables
@@ -591,9 +591,13 @@ add_definitions(-DENABLE_SVF_JTAG)
 endif()
 
 # Xilinx Virtual Cable
-if (ENABLE_XILINX_VIRTUAL_CABLE)
-list (APPEND OPENFPGALOADER_SOURCE  src/xvc_client.cpp src/xvc_server.cpp)
-list (APPEND OPENFPGALOADER_HEADERS src/xvc_client.hpp src/xvc_server.hpp)
+if (ENABLE_XILINX_VIRTUAL_CABLE_CLIENT)
+list (APPEND OPENFPGALOADER_SOURCE  src/xvc_client.cpp)
+list (APPEND OPENFPGALOADER_HEADERS src/xvc_client.hpp)
+endif()
+if (ENABLE_XILINX_VIRTUAL_CABLE_SERVER)
+list (APPEND OPENFPGALOADER_SOURCE  src/xvc_server.cpp)
+list (APPEND OPENFPGALOADER_HEADERS src/xvc_server.hpp)
 endif()
 
 # Altera USB Blaster (I & II).
@@ -669,10 +673,6 @@ if (ENABLE_UDEV)
 	target_link_libraries(openFPGALoader ${LIBUDEV_LIBRARIES})
 endif()
 
-if (ENABLE_UDEV OR ENABLE_LIBGPIOD OR ENABLE_JETSONNANOGPIO)
-	add_definitions(-DUSE_DEVICE_ARG)
-endif(ENABLE_UDEV OR ENABLE_LIBGPIOD OR ENABLE_JETSONNANOGPIO)
-
 if (BUILD_STATIC)
 	set_target_properties(openFPGALoader PROPERTIES LINK_SEARCH_END_STATIC 1)
 endif()
@@ -772,8 +772,16 @@ else()
 	message("Remote bitbang client support disabled")
 endif()
 
-if (ENABLE_XILINX_VIRTUAL_CABLE)
-	add_definitions(-DENABLE_XVC=1)
+if (ENABLE_XILINX_VIRTUAL_CABLE_CLIENT)
+	add_definitions(-DENABLE_XVC_CLIENT=1)
+	set(CMAKE_EXE_LINKER_FLAGS "-pthread ${CMAKE_EXE_LINKER_FLAGS}")
+	message("Xilinx Virtual Client support enabled")
+else()
+	message("Xilinx Virtual Client support disabled")
+endif()
+
+if (ENABLE_XILINX_VIRTUAL_CABLE_SERVER)
+	add_definitions(-DENABLE_XVC_SERVER=1)
 	set(CMAKE_EXE_LINKER_FLAGS "-pthread ${CMAKE_EXE_LINKER_FLAGS}")
 	message("Xilinx Virtual Server support enabled")
 else()

cmake/Toolchain-x86_64-w64-mingw32-clang.cmake

@@ -48,5 +48,6 @@ set(CMAKE_EXE_LINKER_FLAGS_INIT "-static -static-libgcc -static-libstdc++")
 set(ENABLE_UDEV OFF CACHE BOOL "" FORCE)
 set(ENABLE_LIBGPIOD OFF CACHE BOOL "" FORCE)
 set(ENABLE_REMOTEBITBANG OFF CACHE BOOL "" FORCE)
-set(ENABLE_XILINX_VIRTUAL_CABLE OFF CACHE BOOL "" FORCE)
+set(ENABLE_XILINX_VIRTUAL_CABLE_CLIENT OFF CACHE BOOL "" FORCE)
+set(ENABLE_XILINX_VIRTUAL_CABLE_SERVER OFF CACHE BOOL "" FORCE)
 set(BUILD_STATIC ON CACHE BOOL "" FORCE)

cmake/Toolchain-x86_64-w64-mingw32.cmake

@@ -35,5 +35,6 @@ set(CMAKE_EXE_LINKER_FLAGS_INIT "-static -static-libgcc -static-libstdc++")
 set(ENABLE_UDEV OFF CACHE BOOL "" FORCE)
 set(ENABLE_LIBGPIOD OFF CACHE BOOL "" FORCE)
 set(ENABLE_REMOTEBITBANG OFF CACHE BOOL "" FORCE)
-set(ENABLE_XILINX_VIRTUAL_CABLE OFF CACHE BOOL "" FORCE)
+set(ENABLE_XILINX_VIRTUAL_CABLE_CLIENT OFF CACHE BOOL "" FORCE)
+set(ENABLE_XILINX_VIRTUAL_CABLE_SERVER OFF CACHE BOOL "" FORCE)
 set(BUILD_STATIC ON CACHE BOOL "" FORCE)

doc/FPGAs.yml

@@ -85,7 +85,7 @@ Gowin:
     Flash: EF
 
 
-Intel:
+Altera:
 
   - Description: Max II(CPLD)
     Model: EPM240T100C5N
@@ -162,6 +162,20 @@ Intel:
     Memory: SVF
     Flash: POF
 
+  - Description: Agilex 3
+    Model:
+      - A3CZ135
+    URL: https://www.altera.com/products/fpga/agilex/3
+    Memory: RBF
+    Flash: NT
+
+  - Description: Agilex 5
+    Model:
+      - A5EC008B
+    URL: https://www.altera.com/products/fpga/agilex/5
+    Memory: RBF
+    Flash: NT
+
 
 Lattice:
 

doc/boards.yml

@@ -27,6 +27,20 @@
   Memory: OK
   Flash: OK
 
+- ID: atumA3Nano
+  Description: Terasic Atum A3 Nano
+  URL: https://www.terasic.com.tw/cgi-bin/page/archive.pl?Language=English&No=1373
+  FPGA: Altera Agilex 3 A3CZ135BB18AE7S
+  Memory: OK
+  Flash: NT
+
+- ID: axe5000
+  Description: A5EC008BM16AE6S FPGA Starter Kit
+  URL: https://www.arrow.com/en/products/axe5000/trenz-electronic-gmbh.html
+  FPGA: Altera Agilex 5 A5EC008BM16AE6S
+  Memory: OK
+  Flash: NT
+
 - ID: litex-acorn-baseboard-mini
   Description: The LiteX-Acorn-Baseboards are baseboards developed around the SQRL's Acorn board (or Nite/LiteFury)
   URL: https://github.com/enjoy-digital/litex-acorn-baseboard/

doc/guide/install.rst

@@ -385,7 +385,8 @@ Example (enable FTDI-based cables and Xilinx devices only):
 - ``ENABLE_USB_BLASTERII``: Enable Altera USB-Blaster II support.
 - ``ENABLE_LIBGPIOD``: Enable libgpiod bitbang driver support (Linux only).
 - ``ENABLE_REMOTEBITBANG``: Enable remote-bitbang driver support.
-- ``ENABLE_XILINX_VIRTUAL_CABLE``: Enable Xilinx Virtual Cable (XVC) support.
+- ``ENABLE_XILINX_VIRTUAL_CABLE_CLIENT``: Enable Xilinx Virtual Cable (XVC) client support.
+- ``ENABLE_XILINX_VIRTUAL_CABLE_SERVER``: Enable Xilinx Virtual Cable (XVC) server support.
 
 **Vendor options**
 

spiOverJtag/Makefile

@@ -7,13 +7,14 @@ XILINX_PARTS := xc3s500evq100 \
 	xc7s6 xc7s15 xc7s25 xc7s50 xc7s75 xc7s100 \
 	xc7k70tfbg484 xc7k70tfbg676 \
 	xc7k160tffg676 \
-	xc7k325tffg676 xc7k325tffg900 \
+	xc7k325tfbg900 xc7k325tffg676 xc7k325tffg900 \
 	xc7k420tffg901 \
 	xcku3p-ffva676 \
 	xc7vx330tffg1157 \
 	xcku040-ffva1156 xcku060-ffva1156 \
 	xcku5p-ffvb676 \
 	xcvu9p-flga2104 xcvu37p-fsvh2892 \
+	xcau10p-ffvb676 \
 	xcau15p-ffvb676
 XILINX_BIT_FILES := $(addsuffix .bit.gz,$(addprefix spiOverJtag_, $(XILINX_PARTS)))
 

spiOverJtag/build.py

@@ -151,6 +151,7 @@ if tool in ["ise", "vivado"]:
         "xcvu37p-fsvh2892" : "xcvu37p_fsvh2892",
         "xcku3p-ffva676"   : "xcku3p_ffva676",
         "xcku5p-ffvb676"   : "xcku5p_ffvb676",
+        "xcau10p-ffvb676"  : "xcau10p_ffvb676",
         "xcau15p-ffvb676"  : "xcau15p_ffvb676",
     }.get(part, pkg_name)
     if tool == "ise":
@@ -212,6 +213,8 @@ if tool in ["ise", "vivado"]:
                     'paramtype': 'vlogdefine',
                     'description': 'secondary flash',
                     'default': 1}
+            elif part == "xcau10p-ffvb676":
+                tool_options = {'part': part + '-1-e'}
             elif part == "xcau15p-ffvb676":
                 tool_options = {'part': part + '-2-e'}
         else:

spiOverJtag/constr_xc7k_fbg900.ucf

@@ -0,0 +1,6 @@
+NET "csn"       LOC = U19 | IOSTANDARD = LVCMOS33;
+NET "sdi_dq0"   LOC = P24 | IOSTANDARD = LVCMOS33;
+NET "sdo_dq1"   LOC = R25 | IOSTANDARD = LVCMOS33;
+NET "wpn_dq2"   LOC = R20 | IOSTANDARD = LVCMOS33;
+NET "hldn_dq3"  LOC = R21 | IOSTANDARD = LVCMOS33;
+

spiOverJtag/constr_xc7k_fbg900.xdc

@@ -0,0 +1,12 @@
+set_property CFGBVS VCCO [current_design]
+set_property CONFIG_VOLTAGE 3.3 [current_design]
+set_property BITSTREAM.GENERAL.COMPRESS TRUE [current_design]
+set_property BITSTREAM.CONFIG.CONFIGRATE 33 [current_design]
+set_property BITSTREAM.CONFIG.SPI_BUSWIDTH {4} [current_design]
+
+set_property -dict {PACKAGE_PIN U19 IOSTANDARD LVTTL} [get_ports {csn}]
+set_property -dict {PACKAGE_PIN P24 IOSTANDARD LVTTL} [get_ports {sdi_dq0}]
+set_property -dict {PACKAGE_PIN R25 IOSTANDARD LVTTL} [get_ports {sdo_dq1}]
+set_property -dict {PACKAGE_PIN R20 IOSTANDARD LVTTL} [get_ports {wpn_dq2}]
+set_property -dict {PACKAGE_PIN R21 IOSTANDARD LVTTL} [get_ports {hldn_dq3}]
+

src/altera.cpp

@@ -5,6 +5,7 @@
 
 #include "altera.hpp"
 
+#include <inttypes.h>
 #include <string.h>
 
 #include <map>
@@ -12,7 +13,6 @@
 
 #include "common.hpp"
 #include "device.hpp"
-#include "epcq.hpp"
 #include "jtag.hpp"
 #include "progressBar.hpp"
 #include "rawParser.hpp"
@@ -34,7 +34,7 @@ Altera::Altera(Jtag *jtag, const std::string &filename,
 	const std::string &flash_sectors,
 	bool skip_load_bridge, bool skip_reset):
 	Device(jtag, filename, file_type, verify, verbose),
-	SPIInterface(filename, verbose, 256, verify, skip_load_bridge,
+	FlashInterface(filename, verbose, 256, verify, skip_load_bridge,
 				 skip_reset),
 	_device_package(device_package), _spiOverJtagPath(spiOverJtagPath),
 	_vir_addr(0x1000), _vir_length(14), _clk_period(1),
@@ -42,9 +42,13 @@ Altera::Altera(Jtag *jtag, const std::string &filename,
 {
 	/* check device family */
 	_idcode = _jtag->get_target_device_id();
-	string family = fpga_list[_idcode].family;
+	std::string family = fpga_list[_idcode].family;
 	if (family == "MAX 10") {
 		_fpga_family = MAX10_FAMILY;
+	} else if (family == "agilex 3") {
+		_fpga_family = AGILEX3_FAMILY;
+	} else if (family == "agilex 5") {
+		_fpga_family = AGILEX5_FAMILY;
 	} else {
 		_fpga_family = CYCLONE_MISC;  // FIXME
 	}
@@ -243,6 +247,16 @@ void Altera::program(unsigned int offset, bool unprotect_flash)
 		return;
 	}
 
+	/* Specific case for Agilex */
+	if (_fpga_family == AGILEX3_FAMILY || _fpga_family == AGILEX5_FAMILY) {
+		if (_mode != Device::MEM_MODE) {
+			printError("Altera: Error Write to flash for Agilex not supported");
+			return;
+		}
+		agilex_program();
+		return;
+	}
+
 	/* in all case we consider svf is mandatory
 	 * MEM_MODE : svf file provided for constructor
 	 *            is the bitstream to use
@@ -274,7 +288,7 @@ void Altera::program(unsigned int offset, bool unprotect_flash)
 			throw std::runtime_error(e.what());
 		}
 
-		if (!SPIInterface::write(offset, data, length, unprotect_flash))
+		if (!FlashInterface::write(offset, data, length, unprotect_flash))
 			throw std::runtime_error("Fail to write data");
 	}
 }
@@ -349,6 +363,15 @@ const std::map<uint32_t, Altera::max10_mem_t> Altera::max10_memory_map = {
 		// CHECKME: this line
 		.pgm_success_addr = 0x0015} // program success addr
 	},
+	{0x031030dd, { // 10M16D
+		.check_addr0 = 0x80009,  // check_addr0
+		.dsm_addr = 0x0000, .dsm_len = 1024,  // DSM
+		.ufm_addr = 0x0400, .ufm_len = {4096, 4096},  // UFM
+		.cfm_addr = 0x2400, .cfm_len = {67584, 28672, 38912},  // CFM
+		.sectors_erase_addr = {0x17ffff, 0x27ffff, 0x37ffff, 0x47ffff, 0x57ffff}, // sectors erase address
+		.done_bit_addr = 0x0011,  // done bit
+		.pgm_success_addr = 0x0015}  // program success addr
+	},
 };
 
 /* Write an arbitrary file in UFM1, UFM0 by default and also CFM2 and CFM1 if
@@ -1002,6 +1025,276 @@ bool Altera::sectors_mask_start_end_addr(const Altera::max10_mem_t *mem,
 	return true;
 }
 
+/* ---------------------------------- */
+/*             Agilex 3/5             */
+/* ---------------------------------- */
+
+#define AGILEX_ISC_PROGRAM {0x02, 0x00}
+#define AGILEX_COMMAND     {0x01, 0x02}
+#define AGILEX_ISC_SR      {0x02, 0x02}
+#define AGILEX_IRFLOW      {0x08, 0x02}
+#define AGILEX_BYPASS      {0xff, 0x03}
+
+#define uintStarTo64(__input__) ( \
+	(static_cast<uint64_t>(__input__[4]) << 32) | \
+	(static_cast<uint64_t>(__input__[3]) << 24) | \
+	(static_cast<uint64_t>(__input__[2]) << 16) | \
+	(static_cast<uint64_t>(__input__[1]) <<  8) | \
+	(static_cast<uint64_t>(__input__[0]) <<  0))
+#define DWORDToCharStar(__dword__) { \
+	static_cast<unsigned char>((__dword__ >>  0) & 0xff), \
+	static_cast<unsigned char>((__dword__ >>  8) & 0xff), \
+	static_cast<unsigned char>((__dword__ >> 16) & 0xff), \
+	static_cast<unsigned char>((__dword__ >> 24) & 0xff), \
+	static_cast<unsigned char>((__dword__ >> 32) & 0xff) \
+}
+
+// Depends to the JTAG frequency?
+static uint32_t agilex_toggle_length = 16;
+
+bool Altera::agilex_poll_status(uint64_t *expected, uint64_t *mask,
+	uint32_t check_len, int max_poll)
+{
+	const uint8_t isc_sr[2] = AGILEX_ISC_SR;
+	_jtag->shiftIR((unsigned char *)isc_sr, NULL, IRLENGTH);
+	_jtag->toggleClk(agilex_toggle_length);
+	if (_verbose)
+		printf("Begin\n");
+
+	for (uint32_t check = 0; check < check_len; check++) {
+		bool match = false;
+		const uint64_t exp = expected[check];
+		const uint64_t msk = mask[check];
+		for (int i = 0; i < max_poll && !match; i++) {
+			uint8_t status[5];
+			_jtag->shiftDR(NULL, status, 34);
+			_jtag->toggleClk(agilex_toggle_length);
+			uint64_t res = uintStarTo64(status) & 0x3FFFFFFFF;
+			if (_verbose) {
+				printf("%2d/%3d: 0x%08" PRIx64 "0x%08" PRIx64 "%08" PRIx64 " ",
+					check, i, res, res & msk, exp & msk);
+				for (int a = 0; a < 5; a++)
+					printf("%02x ", status[a]);
+				printf("\n");
+			}
+			// It's silly but mask must be applied to expected
+			// too...
+			match = ((res & msk) == (msk & exp));
+		}
+		if (!match)
+			return false;
+	}
+	return true;
+}
+
+bool Altera::agilex_send_instruction(const uint8_t *cmd, const uint64_t *tx,
+	uint64_t *rx, uint32_t length)
+{
+	unsigned char rx_pkt[5];
+	_jtag->shiftIR((unsigned char *)cmd, NULL, IRLENGTH);
+	_jtag->toggleClk(agilex_toggle_length);
+	if (!rx && !tx)
+		return true;
+	for (uint32_t i = 0; i < length; i++) {
+		const uint64_t v = (tx) ? tx[i] : 0;
+		const unsigned char tx_pkt[] = DWORDToCharStar(v);
+		_jtag->shiftDR((tx)? tx_pkt : NULL, (rx) ? rx_pkt : NULL, 34);
+		_jtag->toggleClk(agilex_toggle_length);
+		if (rx)
+			rx[i] = uintStarTo64(rx_pkt);
+	}
+	return true;
+}
+
+bool Altera::agilex_isc_init()
+{
+	const uint8_t cmd[2] = AGILEX_COMMAND;
+
+	/* Everything is magic here.
+	 * stp0 and step2 are constant for AGILEX3 and AGILEX5 (at least
+	 * with tested devices)
+	 * stp1 is partially constant: 3 Words changes between synthesis
+	 * (jam file) but if this value match the check everything is fine
+	 */
+	const uint64_t stp0[3] = {0x000000000, 0x300000000, 0x200000000};
+	const uint64_t stp1[3] = {0x000000000, 0x1F0001001, 0x27E2DA938};
+	const uint64_t stp2[2] = {0x000000000, 0x200000005};
+
+	if (!agilex_send_instruction(cmd, stp0, NULL, 3)) {
+		printError("Altera: Error during step0 write configuration");
+		return false;
+	}
+	/* Again: magic words */
+	uint64_t stp0_exp = 0x000000003;
+	uint64_t stp0_mask = 0x3FDFFFFFD;
+	if (!agilex_poll_status(&stp0_exp, &stp0_mask, 1)) {
+		printf("Altera: STP0: poll failed\n");
+		return false;
+	}
+
+	/* Device specific configuration */
+	if (!agilex_send_instruction(cmd, stp1, NULL, 3)) {
+		printError("Altera: Error during step0 write configuration");
+		return false;
+	}
+
+	/* Again: magic words */
+	uint64_t stp1_exp[] = {0x3C0004001, (0x3FFFFFFFF & ((stp1[2] << 2) | 0x03))};
+	uint64_t stp1_mask[] = {0x3FDFFFFFD, 0x3FFFFFFFD};
+	if (!agilex_poll_status(stp1_exp, stp1_mask, 2)) {
+		printError("Altera: Error during Device specific configuration step");
+		return false;
+	}
+
+	/* Enter ISC Configure mode */
+	if (!agilex_send_instruction(cmd, stp2, NULL, 2)) {
+		printError("Altera: Error during enter ISC Configure write");
+		return false;
+	}
+
+	uint64_t stp2_exp = 0x000000003;
+	uint64_t stp2_mask = 0x3FDFFFFFD;
+	if (!agilex_poll_status(&stp2_exp, &stp2_mask, 1, 300)) {
+		printError("Error during ISC configure mode");
+		return false;
+	}
+
+	return true;
+}
+
+bool Altera::agilex_exit_and_conf_done()
+{
+	const uint8_t cmd[2] = AGILEX_COMMAND;
+	const uint8_t sr[2] = AGILEX_ISC_SR;
+	const uint8_t bypass[2] = AGILEX_BYPASS;
+	const uint8_t done0[5] = {0x00, 0x00, 0x00, 0x00, 0x00};
+	const uint8_t done1[5] = {0x04, 0x00, 0x00, 0x00, 0x02};
+
+	_jtag->shiftIR((unsigned char *)cmd, NULL, IRLENGTH);
+	_jtag->toggleClk(agilex_toggle_length);
+	_jtag->shiftDR((unsigned char *)done0, NULL, 34);
+	_jtag->toggleClk(agilex_toggle_length);
+	_jtag->shiftDR((unsigned char *)done1, NULL, 34);
+	_jtag->toggleClk(agilex_toggle_length);
+
+	_jtag->shiftIR((unsigned char *)sr, NULL, IRLENGTH);
+	_jtag->toggleClk(agilex_toggle_length);
+	uint8_t stat_tx[5];
+	uint8_t stat_rx[5];
+	memset(stat_tx, 0, 5);
+	uint64_t status;
+	do {
+		_jtag->shiftDR((unsigned char *)stat_tx, stat_rx, 34);
+		_jtag->toggleClk(agilex_toggle_length);
+		status = uintStarTo64(stat_rx);
+	} while ((status & 0x01) != 0);
+
+
+	_jtag->shiftIR((unsigned char *)bypass, NULL, IRLENGTH);
+	_jtag->toggleClk(agilex_toggle_length);
+
+
+	return true;
+}
+
+bool Altera::agilex_load_bitstream(const uint8_t *data, const uint32_t length)
+{
+	const uint8_t stat_cmd[2] = AGILEX_IRFLOW;
+	const uint8_t cmd[2] = AGILEX_ISC_PROGRAM;
+	const uint8_t start[5] = {0x07, 0x00, 0x00, 0x00, 0x00};
+
+	const uint32_t xfer_min_length = 4096;
+	const uint32_t xfer_max_length = 65536;
+
+	uint8_t buffer[xfer_max_length + 9];
+	buffer[0] = 0xff;
+	buffer[1] = 0xff;
+	buffer[2] = 0xff;
+	buffer[3] = 0xff;
+	buffer[4] = 0x00;
+	buffer[5] = 0x2a;
+	buffer[6] = 0x7e;
+	buffer[7] = 0xa1;
+	uint8_t *ptr = &buffer[8];
+
+	/* Pre command */
+	_jtag->shiftIR((unsigned char *)stat_cmd, NULL, IRLENGTH);
+	_jtag->toggleClk(agilex_toggle_length);
+	_jtag->shiftDR((unsigned char *)start, NULL, 34);
+	_jtag->toggleClk(agilex_toggle_length);
+
+	uint32_t wr_pos = 0;
+	uint32_t curr_xfer_len = xfer_min_length;
+
+	ProgressBar progress("Load SRAM", length, 50, false);
+
+	while (wr_pos < length) {
+		uint32_t xfer_len = std::min(curr_xfer_len, length - wr_pos);
+		memcpy(ptr, &data[wr_pos], xfer_len);
+		ptr[xfer_len] = 0;
+
+		_jtag->shiftIR((unsigned char *)cmd, NULL, IRLENGTH);
+		_jtag->toggleClk(agilex_toggle_length);
+		_jtag->shiftDR((unsigned char *)buffer, NULL, 64 + 1 + xfer_len * 8);
+		_jtag->toggleClk(agilex_toggle_length);
+
+		/* loop until status bit0 low */
+		uint8_t stat_tx[5] = {0x00, 0x00, 0x00, 0x00, 0x00};
+		uint8_t stat_rx[5];
+		uint64_t res;
+		bool busy, error;
+		do {
+			_jtag->shiftIR((unsigned char *)stat_cmd, NULL, IRLENGTH);
+			_jtag->toggleClk(agilex_toggle_length);
+			_jtag->shiftDR((unsigned char *)stat_tx, stat_rx, 37);
+			_jtag->toggleClk(agilex_toggle_length);
+			res = uintStarTo64(stat_rx);
+			busy = ((res >> 0) & 0x01);
+			error = ((res >> 1) & 0x01);
+			if (error) {
+				progress.fail();
+				printError("Device Configuration Error");
+				return false;
+			}
+			stat_tx[0] = 0x01;
+
+		} while(busy);
+
+		const uint32_t offset_after_write = wr_pos + curr_xfer_len;
+		// next position is provided by the FPGA
+		// it's a x 4
+		wr_pos = res & (~0x03);
+
+		/* search if we have to increase or reduce curr_xfer_len */
+		if (offset_after_write == wr_pos)
+			curr_xfer_len = std::min(curr_xfer_len * 2, xfer_max_length);
+		else
+			curr_xfer_len = std::max(curr_xfer_len / 2, xfer_min_length);
+		progress.display(wr_pos);
+	}
+	progress.done();
+
+	return true;
+}
+
+bool Altera::agilex_program()
+{
+	RawParser rbf(_filename, _verbose);
+	rbf.parse();
+
+	const uint32_t rbf_length = rbf.getLength() / 8;
+	const uint8_t *rbf_data = rbf.getData();
+
+	if (!agilex_isc_init())
+		return false;
+	if (!agilex_load_bitstream(rbf_data, rbf_length))
+		return false;
+	if (!agilex_exit_and_conf_done())
+		return false;
+	return true;
+}
+
+
 /* SPI interface */
 
 int Altera::spi_put(uint8_t cmd, const uint8_t *tx, uint8_t *rx, uint32_t len)

src/altera.hpp

@@ -11,10 +11,10 @@
 #include "device.hpp"
 #include "jtag.hpp"
 #include "rawParser.hpp"
-#include "spiInterface.hpp"
+#include "flashInterface.hpp"
 #include "svf_jtag.hpp"
 
-class Altera: public Device, SPIInterface {
+class Altera: public Device, FlashInterface {
 	public:
 		Altera(Jtag *jtag, const std::string &filename,
 				const std::string &file_type,
@@ -39,7 +39,7 @@ class Altera: public Device, SPIInterface {
 		bool dumpFlash(uint32_t base_addr, uint32_t len) override {
 			if (_fpga_family == MAX10_FAMILY)
 				return max10_dump();
-			return SPIInterface::dump(base_addr, len);
+			return FlashInterface::dump(base_addr, len);
 		}
 
 		uint32_t idCode() override;
@@ -53,25 +53,25 @@ class Altera: public Device, SPIInterface {
 		 * \brief display SPI flash ID and status register
 		 */
 		bool detect_flash() override {
-			return SPIInterface::detect_flash();
+			return FlashInterface::detect_flash();
 		}
 		/*!
 		 * \brief protect SPI flash blocks
 		 */
 		bool protect_flash(uint32_t len) override {
-			return SPIInterface::protect_flash(len);
+			return FlashInterface::protect_flash(len);
 		}
 		/*!
 		 * \brief unprotect SPI flash blocks
 		 */
 		bool unprotect_flash() override {
-			return SPIInterface::unprotect_flash();
+			return FlashInterface::unprotect_flash();
 		}
 		/*!
 		 * \brief bulk erase SPI flash
 		 */
 		bool bulk_erase_flash() override {
-			return SPIInterface::bulk_erase_flash();
+			return FlashInterface::bulk_erase_flash();
 		}
 
 		int spi_put(uint8_t cmd, const uint8_t *tx, uint8_t *rx,
@@ -90,10 +90,25 @@ class Altera: public Device, SPIInterface {
 			MAX10_FAMILY     = 1,
 			CYCLONE5_FAMILY  = 2,
 			CYCLONE10_FAMILY = 3,
-			STRATIXV_FAMILY  = 3,
+			STRATIXV_FAMILY  = 4,
+			AGILEX3_FAMILY   = 5,
+			AGILEX5_FAMILY   = 6,
 			CYCLONE_MISC     = 10, // Fixme: idcode shared
 			UNKNOWN_FAMILY   = 999
 		};
+
+		/**************************/
+		/*     agilex specific    */
+		/**************************/
+		bool agilex_poll_status(uint64_t *expected, uint64_t *mask, uint32_t check_len,
+			int max_poll=50);
+		bool agilex_send_instruction(const uint8_t *cmd, const uint64_t *tx,
+			uint64_t *rx, uint32_t length);
+		bool agilex_isc_init();
+		bool agilex_exit_and_conf_done();
+		bool agilex_load_bitstream(const uint8_t *data, const uint32_t length);
+		bool agilex_program();
+
 		/*************************/
 		/*     max10 specific    */
 		/*************************/

src/anlogic.cpp

@@ -29,7 +29,7 @@ Anlogic::Anlogic(Jtag *jtag, const std::string &filename,
 	const std::string &file_type,
 	Device::prog_type_t prg_type, bool verify, int8_t verbose):
 	Device(jtag, filename, file_type, verify, verbose),
-	SPIInterface(filename, verbose, 0, verify), _target_freq(0)
+	FlashInterface(filename, verbose, 0, verify), _target_freq(0)
 {
 	if (prg_type == Device::RD_FLASH) {
 		_mode = Device::READ_MODE;
@@ -81,7 +81,7 @@ void Anlogic::program(unsigned int offset, bool unprotect_flash)
 	int len = bit.getLength() / 8;
 
 	if (_mode == Device::SPI_MODE) {
-		SPIInterface::write(offset, data, len, unprotect_flash);
+		FlashInterface::write(offset, data, len, unprotect_flash);
 		return;
 	}
 

src/anlogic.hpp

@@ -11,10 +11,10 @@
 #include "bitparser.hpp"
 #include "device.hpp"
 #include "jtag.hpp"
-#include "spiInterface.hpp"
+#include "flashInterface.hpp"
 #include "svf_jtag.hpp"
 
-class Anlogic: public Device, SPIInterface {
+class Anlogic: public Device, FlashInterface {
 	public:
 		Anlogic(Jtag *jtag, const std::string &filename,
 			const std::string &file_type,
@@ -30,21 +30,21 @@ class Anlogic: public Device, SPIInterface {
 		 * \brief protect SPI flash blocks
 		 */
 		bool protect_flash(uint32_t len) override {
-			return SPIInterface::protect_flash(len);
+			return FlashInterface::protect_flash(len);
 		}
 
 		/*!
 		 * \brief protect SPI flash blocks
 		 */
 		bool unprotect_flash() override {
-			return SPIInterface::unprotect_flash();
+			return FlashInterface::unprotect_flash();
 		}
 
 		/*!
 		 * \brief bulk erase SPI flash
 		 */
 		bool bulk_erase_flash() override {
-			return SPIInterface::bulk_erase_flash();
+			return FlashInterface::bulk_erase_flash();
 		}
 
 		/*!
@@ -54,7 +54,7 @@ class Anlogic: public Device, SPIInterface {
 		 * \return false if something wrong
 		 */
 		virtual bool dumpFlash(uint32_t base_addr, uint32_t len) override {
-			return SPIInterface::dump(base_addr, len);
+			return FlashInterface::dump(base_addr, len);
 		}
 
 		int spi_put(uint8_t cmd, const uint8_t *tx, uint8_t *rx,

src/anlogicBitParser.cpp

@@ -18,9 +18,8 @@
 #include "anlogicBitParser.hpp"
 #include "display.hpp"
 
-using namespace std;
 
-AnlogicBitParser::AnlogicBitParser(const string &filename, bool reverseOrder,
+AnlogicBitParser::AnlogicBitParser(const std::string &filename, bool reverseOrder,
 	bool verbose):
 	ConfigBitstreamParser(filename, ConfigBitstreamParser::BIN_MODE, verbose),
 	_reverseOrder(reverseOrder)
@@ -37,8 +36,8 @@ int AnlogicBitParser::parseHeader()
 {
 	int ret = 0;
 
-	string buffer;
-	istringstream lineStream(_raw_data);
+	std::string buffer;
+	std::istringstream lineStream(_raw_data);
 
 	while (std::getline(lineStream, buffer, '\n')) {
 		ret += buffer.size() + 1;
@@ -53,13 +52,13 @@ int AnlogicBitParser::parseHeader()
 			return -1;
 		}
 
-		string content = buffer.substr(2); // drop '# '
+		std::string content = buffer.substr(2); // drop '# '
 		size_t pos = content.find(':');
-		if (pos == string::npos) {
+		if (pos == std::string::npos) {
 			_hdr["tool"] = content;
 		} else {
-			string entry = content.substr(0, pos);
-			string val = content.substr(pos+2);
+			std::string entry = content.substr(0, pos);
+			std::string val = content.substr(pos+2);
 			_hdr[entry] = val;
 		}
 	}

src/anlogicCable.cpp

@@ -15,7 +15,6 @@
 #include "anlogicCable.hpp"
 #include "display.hpp"
 
-using namespace std;
 
 #define ANLOGICCABLE_VIDv1 0x0547
 #define ANLOGICCABLE_VIDv2 0x336C
@@ -59,8 +58,7 @@ AnlogicCable::AnlogicCable(uint32_t clkHZ):
 	int ret;
 
 	if (libusb_init(&usb_ctx) < 0) {
-		cerr << "libusb init failed" << endl;
-		throw std::exception();
+		throw std::runtime_error("libusb init failed");
 	}
 
 	/* First: Try with original (old) VID */
@@ -72,23 +70,20 @@ AnlogicCable::AnlogicCable(uint32_t clkHZ):
 						ANLOGICCABLE_VIDv2, ANLOGICCABLE_PID);
 
 		if (!dev_handle) {
-			cerr << "fails to open device" << endl;
 			libusb_exit(usb_ctx);
-			throw std::exception();
+			throw std::runtime_error("fails to open device");
 		}
 	}
 
 	ret = libusb_claim_interface(dev_handle, 0);
 	if (ret) {
-		cerr << "libusb error while claiming DirtyJTAG interface #0" << endl;
 		libusb_close(dev_handle);
 		libusb_exit(usb_ctx);
-		throw std::exception();
+		throw std::runtime_error("libusb error while claiming AnlogicCable interface #0");
 	}
 
 	if (setClkFreq(clkHZ) < 0) {
-		cerr << "Fail to set frequency" << endl;
-		throw std::exception();
+		throw std::runtime_error("Fail to set frequency");
 	}
 }
 
@@ -140,7 +135,7 @@ int AnlogicCable::setClkFreq(uint32_t clkHZ)
 	ret = libusb_bulk_transfer(dev_handle, ANLOGICCABLE_CONF_EP,
 					buf, 2, &actual_length, 1000);
 	if (ret < 0) {
-		cerr << "setClkFreq: usb bulk write failed " << ret << endl;
+		printError("setClkFreq: usb bulk write failed " + std::to_string(ret));
 		return -EXIT_FAILURE;
 	}
 
@@ -293,14 +288,14 @@ int AnlogicCable::write(uint8_t *in_buf, uint8_t *out_buf, int len, int rd_len)
 	int ret = libusb_bulk_transfer(dev_handle, ANLOGICCABLE_WRITE_EP,
 			in_buf, len, &actual_length, 1000);
 	if (ret < 0) {
-		cerr << "write: usb bulk write failed " << ret << endl;
+		printError("write: usb bulk write failed " + std::to_string(ret));
 		return -EXIT_FAILURE;
 	}
 	/* all write must be followed by a read */
 	ret = libusb_bulk_transfer(dev_handle, ANLOGICCABLE_READ_EP,
 			in_buf, len, &actual_length, 1000);
 	if (ret < 0) {
-		cerr << "write: usb bulk read failed " << ret << endl;
+		printError("write: usb bulk read failed " + std::to_string(ret));
 		return -EXIT_FAILURE;
 	}
 

src/bitparser.cpp

@@ -18,12 +18,11 @@
 #include <winsock2.h>
 #endif
 
-using namespace std;
 
 #define display(...) \
 	do { if (_verbose) fprintf(stdout, __VA_ARGS__);} while(0)
 
-BitParser::BitParser(const string &filename, bool reverseOrder, bool verbose):
+BitParser::BitParser(const std::string &filename, bool reverseOrder, bool verbose):
 	ConfigBitstreamParser(filename, ConfigBitstreamParser::BIN_MODE,
 	verbose), _reverseOrder(reverseOrder)
 {
@@ -37,49 +36,86 @@ int BitParser::parseHeader()
 {
 	int pos_data = 0;
 	int ret = 1;
-	short length;
-	string tmp;
-	int pos, prev_pos;
+	uint16_t length;
+	std::string tmp;
 
 	/* Field 1 : misc header */
+	if (_raw_data.size() < 2) {
+		printError("BitParser: Bound check failure. Can't read Field 1 length");
+		return -1;
+	}
 	length = *(uint16_t *)&_raw_data[0];
 	length = ntohs(length);
 	pos_data += length + 2;
 
-	length = *(uint16_t *)&_raw_data[pos_data];
-	length = ntohs(length);
+	if (pos_data + 2 >= static_cast<int>(_raw_data.size())) {
+		printError("BitParser: Bound check failure. Can't read Field 2 length");
+		return -1;
+	}
+
+	length = ((static_cast<uint16_t>(_raw_data[pos_data]) & 0xff) << 8) |
+		((static_cast<uint16_t>(_raw_data[pos_data + 1]) & 0xff) << 0);
+
 	pos_data += 2;
 
 	while (1) {
 		/* type */
-		uint8_t type;
-		type = (uint8_t)_raw_data[pos_data++];
+		if (pos_data >= static_cast<int>(_raw_data.size())) {
+			printError("BitParser: Bound check failure. Field type");
+			return -1;
+		}
+		const uint8_t type = (uint8_t)_raw_data[pos_data++];
 
 		if (type != 'e') {
-			length = *(uint16_t *)&_raw_data[pos_data];
-			length = ntohs(length);
+			if (pos_data + 2 >= static_cast<int>(_raw_data.size())) {
+				printError("BitParser: Bound check failure, Field length");
+				return -1;
+			}
+			length = ((static_cast<uint16_t>(_raw_data[pos_data]) & 0xff) << 8) |
+				((static_cast<uint16_t>(_raw_data[pos_data + 1]) & 0xff) << 0);
 			pos_data += 2;
 		} else {
 			length = 4;
 		}
+		if (static_cast<int>(_raw_data.size()) < pos_data + length) {
+			printError("BitParser: Bound check failure. Field Data");
+			return -1;
+		}
 		tmp = _raw_data.substr(pos_data, length);
 		pos_data += length;
 
 		switch (type) {
-			case 'a': /* design name:userid:synthesize tool version */
-				prev_pos = 0;
-				pos = tmp.find(";");
-				_hdr["design_name"] = tmp.substr(prev_pos, pos);
-				prev_pos = pos+1;
+			case 'a': {  /* design name:userid:synthesize tool version */
+				std::stringstream ss(tmp);
+				std::string token;
+				bool first = true;
 
-				pos = tmp.find(";", prev_pos);
-				prev_pos = tmp.find("=", prev_pos) + 1;
-				_hdr["userID"] = tmp.substr(prev_pos, pos-prev_pos);
-				prev_pos = pos+1;
+				while (std::getline(ss, token, ';')) {
+					if (first) {
+						_hdr["design_name"] = token;
+						first = false;
+						continue;
+					}
 
-				prev_pos = tmp.find("=", prev_pos) + 1;
-				_hdr["toolVersion"] = tmp.substr(prev_pos, length-prev_pos);
-				break;
+					auto pos = token.find('=');
+					if (pos != std::string::npos) {
+						auto key = token.substr(0, pos);
+						if (length < pos + 1) {
+							printError("Failed to find for key");
+							return -1;
+						}
+						auto value = token.substr(pos + 1);
+						if (key == "UserID") {
+							_hdr["userId"] = value;
+						} else if (key == "Version") {
+							_hdr["version"] = value;
+						} else {
+							printError("Unknown key " + key);
+							return -1;
+						}
+					}
+				}
+				} break;
 			case 'b': /* FPGA model */
 				_hdr["part_name"] = tmp.substr(0, length);
 				break;
@@ -108,6 +144,10 @@ int BitParser::parse()
 {
 	/* process all field */
 	int pos = parseHeader();
+	if (pos == -1) {
+		printError("BitParser: parseHeader failed");
+		return 1;
+	}
 
 	/* _bit_length is length of data to send */
 	int rest_of_file_length = _file_size - pos;

src/board.hpp

@@ -113,6 +113,8 @@ static std::map <std::string, target_board_t> board_list = {
 	JTAG_BOARD("ac701",           "xc7a200tfbg676",       "digilent",     SPI_FLASH, 0, 0, CABLE_DEFAULT),
 	JTAG_BOARD("acornCle215",     "xc7a200tsbg484",       "",             SPI_FLASH, 0, 0, CABLE_DEFAULT),
 	JTAG_BOARD("analogMax",       "",                     "ft2232",       SPI_FLASH, 0, 0, CABLE_DEFAULT),
+	JTAG_BOARD("atumA3Nano",      "",                     "usb-blasterIII", SPI_FLASH, 0, 0, CABLE_DEFAULT),
+	JTAG_BOARD("axe5000",         "",                     "usb-blasterIII", SPI_FLASH, 0, 0, CABLE_DEFAULT),
 	JTAG_BOARD("litex-acorn-baseboard-mini", "xc7a200tsbg484", "",        SPI_FLASH, 0, 0, CABLE_DEFAULT),
 	JTAG_BOARD("alchitry_au",     "xc7a35tftg256",        "ft2232",       SPI_FLASH, 0, 0, CABLE_DEFAULT),
 	JTAG_BOARD("alchitry_au_plus","xc7a100tftg256",       "ft2232",       SPI_FLASH, 0, 0, CABLE_DEFAULT),

src/cable.hpp

@@ -135,7 +135,7 @@ static std::map <std::string, cable_t> cable_list = {
 	{"usb-blaster_2",      CABLE_DEF(MODE_USBBLASTER, 0x09Fb, 0x6003                   )},
 	{"usb-blasterII",      CABLE_DEF(MODE_USBBLASTER, 0x09Fb, 0x6810                   )},
 	{"usb-blasterII_1",    CABLE_DEF(MODE_USBBLASTER, 0x09Fb, 0x6010                   )},
-	{"usb-blasterIII",     FTDI_SER(0x09fb, 0x6022, FTDI_INTF_A, 0x08, 0x3B, 0x00, 0x00)},
+	{"usb-blasterIII",     FTDI_SER(0x09fb, 0x6022, FTDI_INTF_A, 0x08, 0x3B, 0x58, 0xb0)},
 	{"xvc-client",         CABLE_DEF(MODE_XVC_CLIENT, 0x0000, 0x0000                   )},
 #ifdef ENABLE_LIBGPIOD
 	{"libgpiod",           CABLE_DEF(MODE_LIBGPIOD_BITBANG, 0, 0x0000                  )},

src/ch347jtag.cpp

@@ -19,7 +19,6 @@
 #include "ch347jtag.hpp"
 #include "display.hpp"
 
-using namespace std;
 
 #define CH347JTAG_VID 0x1a86
 #define CH347T_JTAG_PID 0x55dd    //ch347T
@@ -64,12 +63,12 @@ int CH347Jtag::usb_xfer(unsigned wlen, unsigned rlen, unsigned *ract, bool defer
 	}
 
 	if (obuf - _obuf > MAX_BUFFER) {
-		throw runtime_error("buffer overflow");
+		throw std::runtime_error("buffer overflow");
 	}
 
 	wlen += obuf - _obuf;
 	if (wlen > MAX_BUFFER) {
-		throw runtime_error("buffer overflow");
+		throw std::runtime_error("buffer overflow");
 	}
 	obuf = _obuf;
 
@@ -293,8 +292,8 @@ int CH347Jtag::writeTMS(const uint8_t *tms, uint32_t len, bool flush_buffer,
 			obuf[2] = (wlen - 3) >> 8;
 			int ret = usb_xfer(wlen, 0, 0, !flush_buffer);
 			if (ret < 0) {
-				cerr << "writeTMS: usb bulk write failed: " <<
-					libusb_strerror(static_cast<libusb_error>(ret)) << endl;
+				printError(std::string("writeTMS: usb bulk write failed: ")
+					+ std::string(libusb_strerror(static_cast<libusb_error>(ret))));
 				return -EXIT_FAILURE;
 			}
 			ptr = obuf;
@@ -332,8 +331,8 @@ int CH347Jtag::toggleClk(__attribute__((unused)) uint8_t tms,
 			obuf[2] = (wlen - 3) >> 8;
 			int ret = usb_xfer(wlen, 0, 0, true);
 			if (ret < 0) {
-				cerr << "writeCLK: usb bulk write failed: " <<
-					libusb_strerror(static_cast<libusb_error>(ret)) << endl;
+				printError(std::string("writeCLK: usb bulk write failed: ")
+					+ std::string(libusb_strerror(static_cast<libusb_error>(ret))));
 				return -EXIT_FAILURE;
 			}
 			ptr = obuf;
@@ -371,15 +370,15 @@ int CH347Jtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
 		unsigned actual_length = 0;
 		int ret = usb_xfer(chunk + 3, (rx) ? chunk + 3 : 0, &actual_length, rx == 0 && get_obuf_length());
 		if (ret < 0) {
-			cerr << "writeTDI: usb bulk read failed: " <<
-				libusb_strerror(static_cast<libusb_error>(ret)) << endl;
+			printError(std::string("writeTDI: usb bulk read failed: ")
+				+ std::string(libusb_strerror(static_cast<libusb_error>(ret))));
 			return -EXIT_FAILURE;
 		}
 		if (!rx)
 			continue;
 		unsigned size = ibuf[1] + ibuf[2] * 0x100;
 		if (ibuf[0] != CMD_BYTES_WR || actual_length - 3 != size) {
-			cerr << "writeTDI: invalid read data: " << ret << endl;
+			printError("writeTDI: invalid read data: " + std::to_string(ret));
 			return -EXIT_FAILURE;
 		}
 		memcpy(rptr, &ibuf[3], size);
@@ -414,8 +413,8 @@ int CH347Jtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
 	int ret = usb_xfer(wlen, (rx) ? (bits + 3) : 0, &actual_length, rx == nullptr);
 
 	if (ret < 0) {
-		cerr << "writeTDI: usb bulk read failed: " <<
-			libusb_strerror(static_cast<libusb_error>(ret)) << endl;
+		printError(std::string("writeTDI: usb bulk read failed: ")
+			+ std::string(libusb_strerror(static_cast<libusb_error>(ret))));
 		return -EXIT_FAILURE;
 	}
 	if (!rx)
@@ -424,7 +423,7 @@ int CH347Jtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
 	unsigned size = ibuf[1] + ibuf[2] * 0x100;
 
 	if (ibuf[0] != CMD_BITS_WR || actual_length - 3 != size) {
-		cerr << "writeTDI: invalid read data: " << endl;
+		printError("writeTDI: invalid read data: ");
 		return -EXIT_FAILURE;
 	}
 	for (unsigned i = 0; i < size; ++i) {

src/ch552_jtag.cpp

@@ -16,7 +16,6 @@
 #include "ch552_jtag.hpp"
 #include "ftdipp_mpsse.hpp"
 
-using namespace std;
 
 #define DEBUG 0
 
@@ -30,7 +29,7 @@ using namespace std;
 #endif
 
 CH552_jtag::CH552_jtag(const cable_t &cable,
-			const string &dev, const string &serial, uint32_t clkHZ,
+			const std::string &dev, const std::string &serial, uint32_t clkHZ,
 			int8_t verbose):
 			FTDIpp_MPSSE(cable, dev, serial, clkHZ, verbose), _to_read(0)
 {

src/cmsisDAP.cpp

@@ -21,7 +21,6 @@
 
 #include "cmsisDAP.hpp"
 
-using namespace std;
 
 #define DAP_JTAG_SEQ_TDO_CAPTURE  (1 << 7)
 #define DAP_JTAG_SEQ_TMS_SHIFT(x) ((x & 0x01) << 6)
@@ -49,7 +48,7 @@ enum cmsisdap_info_id {
 	INFO_ID_PID                = 0x02,  // Get the Product ID (string).
 	INFO_ID_SERNUM             = 0x03,  // Get the Serial Number (string).
 	INFO_ID_FWVERS             = 0x04,  // Get the CMSIS-DAP Firmware
-								 		// Version (string).
+	                                    // Version (string).
 	INFO_ID_TARGET_DEV_VENDOR  = 0x05,  // Get the Target Device Vendor (string).
 	INFO_ID_TARGET_DEV_NAME    = 0x06,  // Get the Target Device Name (string).
 	INFO_ID_HWCAP              = 0xF0,  // Get information about the
@@ -60,7 +59,7 @@ enum cmsisdap_info_id {
 	INFO_ID_MAX_PKT_SZ         = 0xFF   // Get the maximum Packet Size (SHORT).
 };
 
-static map<uint8_t, string> cmsisdap_info_id_str = {
+static std::map<uint8_t, std::string> cmsisdap_info_id_str = {
 	{INFO_ID_VID,                "VID"},
 	{INFO_ID_PID,                "PID"},
 	{INFO_ID_SERNUM,             "serial number"},
@@ -159,7 +158,7 @@ CmsisDAP::CmsisDAP(const cable_t &cable, int index, int8_t verbose):_verbose(ver
 	_vid = dev_found[_device_idx]->vendor_id;
 	_pid = dev_found[_device_idx]->product_id;
 	if (dev_found[_device_idx]->serial_number != NULL)
-		_serial_number = wstring(dev_found[_device_idx]->serial_number);
+		_serial_number = std::wstring(dev_found[_device_idx]->serial_number);
 	/* open the device */
 	_dev = hid_open_path(dev_found[_device_idx]->path);
 	if (!_dev) {

src/colognechip.cpp

@@ -186,7 +186,7 @@ bool CologneChip::detect_flash()
 	printInfo("Read Flash ", false);
 	try {
 		std::unique_ptr<SPIFlash> flash(_spi ?
-				new SPIFlash(reinterpret_cast<SPIInterface *>(_spi), false, _verbose):
+				new SPIFlash(reinterpret_cast<FlashInterface *>(_spi), false, _verbose):
 				new SPIFlash(this, false, _verbose));
 		flash->read_id();
 		flash->display_status_reg();
@@ -210,7 +210,7 @@ bool CologneChip::dumpFlash(uint32_t base_addr, uint32_t len)
 	printInfo("Read Flash ", false);
 	try {
 		std::unique_ptr<SPIFlash> flash(_spi ?
-				new SPIFlash(reinterpret_cast<SPIInterface *>(_spi), false, _verbose):
+				new SPIFlash(reinterpret_cast<FlashInterface *>(_spi), false, _verbose):
 				new SPIFlash(this, false, _verbose));
 		flash->dump(_filename, base_addr, len);
 	} catch (std::exception &e) {
@@ -227,7 +227,7 @@ bool CologneChip::dumpFlash(uint32_t base_addr, uint32_t len)
  */
 bool CologneChip::set_quad_bit(bool set_quad)
 {
-	if (!SPIInterface::set_quad_bit(set_quad)) {
+	if (!FlashInterface::set_quad_bit(set_quad)) {
 		return false;
 	}
 
@@ -239,7 +239,7 @@ bool CologneChip::set_quad_bit(bool set_quad)
  */
 bool CologneChip::bulk_erase_flash()
 {
-	if (!SPIInterface::bulk_erase_flash()) {
+	if (!FlashInterface::bulk_erase_flash()) {
 		return false;
 	}
 
@@ -323,7 +323,7 @@ void CologneChip::programSPI_flash(unsigned int offset, const uint8_t *data,
 	_spi->gpio_clear(_rstn_pin | _oen_pin);
 	usleep(SLEEP_US);
 
-	SPIFlash flash(reinterpret_cast<SPIInterface *>(_spi), unprotect_flash,
+	SPIFlash flash(reinterpret_cast<FlashInterface *>(_spi), unprotect_flash,
 			_verbose);
 	flash.erase_and_prog(offset, data, length);
 
@@ -425,16 +425,18 @@ int CologneChip::spi_put(uint8_t cmd, const uint8_t *tx, uint8_t *rx, uint32_t l
 			jtx[i+1] = ConfigBitstreamParser::reverseByte(tx[i]);
 	}
 
-	_jtag->shiftIR(JTAG_SPI_BYPASS, 6, Jtag::SELECT_DR_SCAN);
+	_jtag->shiftIR(JTAG_SPI_BYPASS, 6, Jtag::SHIFT_DR);
 
-	int test = (rx == NULL) ? 8*xfer_len+1 : 8*xfer_len+2;
-	_jtag->shiftDR(jtx, (rx == NULL)? NULL: jrx, test, Jtag::SELECT_DR_SCAN);
+	int drlen = (rx == NULL) ? 8*xfer_len : 8*xfer_len+1;
+	_jtag->read_write(jtx, (rx == NULL) ? NULL : jrx, drlen, false);
+
+	int shift = _jtag->get_devices_list().size();
 
 	if (rx != NULL) {
 		for (uint32_t i=0; i < len; i++) {
 			uint8_t b0 = ConfigBitstreamParser::reverseByte(jrx[i+1]);
 			uint8_t b1 = ConfigBitstreamParser::reverseByte(jrx[i+2]);
-			rx[i] = (b0 << 1) | ((b1 >> 7) & 0x01);
+			rx[i] = (b0 << shift) | (b1 >> (8-shift));
 		}
 	}
 	return 0;
@@ -482,11 +484,13 @@ int CologneChip::spi_wait(uint8_t cmd, uint8_t mask, uint8_t cond,
 	_jtag->shiftIR(JTAG_SPI_BYPASS, 6, Jtag::SHIFT_DR);
 	_jtag->read_write(&tx, NULL, 8, 0);
 
+	int shift = _jtag->get_devices_list().size();
+
 	do {
 		_jtag->read_write(dummy, rx, 16, 0);
 		uint8_t b0 = ConfigBitstreamParser::reverseByte(rx[0]);
 		uint8_t b1 = ConfigBitstreamParser::reverseByte(rx[1]);
-		tmp = (b0 << 1) | ((b1 >> 7) & 0x01);
+		tmp = (b0 << shift) | (b1 >> (8-shift));
 
 		count++;
 		if (count == timeout) {

src/colognechip.hpp

@@ -23,7 +23,7 @@
 #include "spiFlash.hpp"
 #include "progressBar.hpp"
 
-class CologneChip: public Device, SPIInterface {
+class CologneChip: public Device, FlashInterface {
 	public:
 		CologneChip(FtdiSpi *spi, const std::string &filename,
 			const std::string &file_type, Device::prog_type_t prg_type,

src/configBitstreamParser.cpp

@@ -26,9 +26,8 @@
 
 #include "configBitstreamParser.hpp"
 
-using namespace std;
 
-ConfigBitstreamParser::ConfigBitstreamParser(const string &filename, int mode,
+ConfigBitstreamParser::ConfigBitstreamParser(const std::string &filename, int mode,
 			bool verbose): _filename(filename), _bit_length(0),
 			_file_size(0), _verbose(verbose),
 			_bit_data(), _raw_data(), _hdr()
@@ -40,7 +39,7 @@ ConfigBitstreamParser::ConfigBitstreamParser(const string &filename, int mode,
 		FILE *_fd = fopen(filename.c_str(), "rb");
 		if (!_fd) {
 			/* if file not found it's maybe a gz -> try without gz */
-			if (offset != string::npos) {
+			if (offset != std::string::npos) {
 				_filename = filename.substr(0, offset);
 				_fd = fopen(_filename.c_str(), "rb");
 			}
@@ -61,10 +60,10 @@ ConfigBitstreamParser::ConfigBitstreamParser(const string &filename, int mode,
 		if (ret != _file_size)
 			throw std::runtime_error("Error: fail to read " + _filename);
 
-		if (offset != string::npos) {
-			string extension = _filename.substr(_filename.find_last_of(".") +1);
+		if (offset != std::string::npos) {
+			std::string extension = _filename.substr(_filename.find_last_of(".") +1);
 			if (extension == "gz" || extension == "gzip") {
-				string tmp;
+				std::string tmp;
 				tmp.reserve(_file_size);
 				if (!decompress_bitstream(_raw_data, &tmp))
 					throw std::runtime_error("Error: decompress failed");
@@ -77,7 +76,7 @@ ConfigBitstreamParser::ConfigBitstreamParser(const string &filename, int mode,
 
 	} else if (!isatty(fileno(stdin))) {
 		_file_size = 0;
-		string tmp;
+		std::string tmp;
 		tmp.resize(4096);
 		size_t size;
 
@@ -95,7 +94,7 @@ ConfigBitstreamParser::~ConfigBitstreamParser()
 {
 }
 
-string ConfigBitstreamParser::getHeaderVal(string key)
+std::string ConfigBitstreamParser::getHeaderVal(std::string key)
 {
 	auto val = _hdr.find(key);
 	if (val == _hdr.end())
@@ -107,7 +106,7 @@ void ConfigBitstreamParser::displayHeader()
 {
 	if (_hdr.empty())
 		return;
-	cout << "bitstream header infos" << endl;
+	printInfo("bitstream header infos");
 	for (auto it = _hdr.begin(); it != _hdr.end(); it++) {
 		printInfo((*it).first + ": ", false);
 		printSuccess((*it).second);
@@ -165,7 +164,7 @@ uint32_t ConfigBitstreamParser::reverse_32(const uint32_t src)
 		   (revertByteArr[(src >> 24) & 0xff] <<  0);
 }
 
-bool ConfigBitstreamParser::decompress_bitstream(string source, string *dest)
+bool ConfigBitstreamParser::decompress_bitstream(std::string source, std::string *dest)
 {
 #ifndef HAS_ZLIB
 	(void)source;

src/device.cpp

@@ -8,9 +8,8 @@
 
 #include "device.hpp"
 
-using namespace std;
 
-Device::Device(Jtag *jtag, string filename, const string &file_type,
+Device::Device(Jtag *jtag, std::string filename, const std::string &file_type,
 		bool verify, int8_t verbose):
 		_filename(filename),
 		_file_extension(filename.substr(filename.find_last_of(".") +1)),
@@ -24,13 +23,13 @@ Device::Device(Jtag *jtag, string filename, const string &file_type,
 	} else if (!filename.empty()) {
 		size_t offset = filename.find_last_of(".");
 		/* no extension => consider raw */
-		if (offset == string::npos) {
+		if (offset == std::string::npos) {
 			_file_extension = "raw";
 		/* compressed file ? */
 		} else if  (_file_extension.substr(0, 2) == "gz") {
 			size_t offset2 = filename.find_last_of(".", offset - 1);
 			/* no more extension -> error */
-			if (offset2 == string::npos) {
+			if (offset2 == std::string::npos) {
 				char mess[256];
 				snprintf(mess, sizeof(mess), "\nfile %s is compressed\n"
 						"but can't determine real type\n"
@@ -46,7 +45,7 @@ Device::Device(Jtag *jtag, string filename, const string &file_type,
 
 	_jtag = jtag;
 	if (verbose > 0)
-		cout << "File type : " << _file_extension << endl;
+		std::cout << "File type : " << _file_extension << std::endl;
 }
 
 Device::~Device() {}

src/dfu.cpp

@@ -21,7 +21,6 @@
 
 #include "dfu.hpp"
 
-using namespace std;
 
 /* USB request write */
 static const uint8_t DFU_REQUEST_OUT = LIBUSB_ENDPOINT_OUT |
@@ -46,7 +45,7 @@ enum dfu_cmd {
  * - index as jtag chain (fix issue when more than one device connected)
  */
 
-DFU::DFU(const string &filename, bool bypass_bitstream,
+DFU::DFU(const std::string &filename, bool bypass_bitstream,
 		uint16_t vid, uint16_t pid, int16_t altsetting,
 		int verbose_lvl):_verbose(verbose_lvl > 0), _debug(verbose_lvl > 1),
 		_quiet(verbose_lvl < 0), dev_idx(0), _vid(0), _pid(0),
@@ -68,7 +67,7 @@ DFU::DFU(const string &filename, bool bypass_bitstream,
 			printSuccess("DONE");
 		} catch (std::exception &e) {
 			printError("FAIL");
-			throw runtime_error("Error: Fail to open file");
+			throw std::runtime_error("Error: Fail to open file");
 		}
 
 		printInfo("Parse file ", false);
@@ -78,7 +77,7 @@ DFU::DFU(const string &filename, bool bypass_bitstream,
 		} catch (std::exception &e) {
 			printError("FAIL");
 			delete _bit;
-			throw runtime_error("Error: Fail to parse file");
+			throw std::runtime_error("Error: Fail to parse file");
 		}
 
 		if (_verbose > 0)
@@ -301,7 +300,7 @@ int DFU::searchDFUDevices()
 	/* iteration */
 	ssize_t list_size = libusb_get_device_list(usb_ctx, &dev_list);
 	if (_verbose)
-		printInfo("found " + to_string(list_size) + " USB device");
+		printInfo("found " + std::to_string(list_size) + " USB device");
 
 	while ((usb_dev = dev_list[i++]) != NULL) {
 		struct libusb_device_descriptor desc;
@@ -352,7 +351,7 @@ int DFU::searchIfDFU(struct libusb_device_handle *handle,
 		struct libusb_config_descriptor *cfg;
 		int ret = libusb_get_config_descriptor(dev, i, &cfg);
 		if (ret != 0) {
-			printError("Fail to retrieve config_descriptor " + to_string(i));
+			printError("Fail to retrieve config_descriptor " + std::to_string(i));
 			return 1;
 		}
 		/* configuration interface iteration */
@@ -499,7 +498,7 @@ int DFU::set_state(char newState)
 				return -1;
 			if (status.bState != STATE_appDETACH ||
 					status.bStatus != STATUS_OK) {
-				cerr << dfu_dev_status_val[status.bStatus] << endl;
+				std::cerr << dfu_dev_status_val[status.bStatus] << std::endl;
 				return -1;
 			}
 			break;
@@ -571,7 +570,7 @@ int DFU::set_state(char newState)
 				return ret;
 			if (status.bState != newState ||
 					status.bStatus != STATUS_OK) {
-				cerr << dfu_dev_status_val[status.bStatus] << endl;
+				std::cerr << dfu_dev_status_val[status.bStatus] << std::endl;
 				return -1;
 			}
 			break;
@@ -635,7 +634,7 @@ int DFU::poll_state(uint8_t state) {
 	do {
 		ret = get_status(&status);
 		if (ret <= 0) {
-			printError("Error: poll state " + string(libusb_error_name(ret)));
+			printError("Error: poll state " + std::string(libusb_error_name(ret)));
 			break;
 		}
 		/* millisecond */
@@ -800,7 +799,7 @@ int DFU::download()
 	//ret = set_state(STATE_dfuMANIFEST_SYNC);
 	ret = send(true, DFU_DNLOAD, transaction, NULL, 0);
 	if (ret < 0) {
-		printError("Error: fail to change state " + to_string(ret));
+		printError("Error: fail to change state " + std::to_string(ret));
 		return -6;
 	}
 

src/dfuFileParser.cpp

@@ -10,7 +10,6 @@
 #include <string.h>
 #include <unistd.h>
 
-#include <algorithm>
 #include <iostream>
 #include <fstream>
 #include <sstream>
@@ -22,7 +21,6 @@
 #include "display.hpp"
 #include "dfuFileParser.hpp"
 
-using namespace std;
 
 /* USB Device firmware Upgrade Specification, Revision 1.1 B.1 */
 /* p. 42 */
@@ -71,7 +69,7 @@ static const uint32_t crc32tbl[] = {
 	0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
 	0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d};
 
-DFUFileParser::DFUFileParser(const string &filename, bool verbose):
+DFUFileParser::DFUFileParser(const std::string &filename, bool verbose):
 	ConfigBitstreamParser(filename, ConfigBitstreamParser::BIN_MODE, verbose),
 		_bcdDFU(0), _idVendor(0), _idProduct(0), _bcdDevice(0),
 		_dwCRC(0), _bLength(0)
@@ -81,7 +79,6 @@ DFUFileParser::DFUFileParser(const string &filename, bool verbose):
 /* p.40-47 */
 int DFUFileParser::parseHeader()
 {
-	string ucDfuSignature;
 	/* check size: If file size <= 16
 	 * no space for suffix and/or bitstream
 	 * */
@@ -89,11 +86,9 @@ int DFUFileParser::parseHeader()
 		return -1;
 
 	/* first check DFU signature :
-	 * must be equal to 'DFU'
+	 * stored as 'UFD' (reversed 'DFU') in the file
 	 */
-	ucDfuSignature = _raw_data.substr(_file_size-8, 3);
-	reverse(ucDfuSignature.begin(), ucDfuSignature.end());
-	if (ucDfuSignature != "DFU") {
+	if (_raw_data.compare(_file_size - 8, 3, "UFD") != 0) {
 		if (_verbose)
 			printWarn("Not a DFU file");
 		return 0;
@@ -103,41 +98,49 @@ int DFUFileParser::parseHeader()
 		(((uint32_t)_raw_data[_file_size - 3] & 0xff) <<  8) |
 		(((uint32_t)_raw_data[_file_size - 2] & 0xff) << 16) |
 		(((uint32_t)_raw_data[_file_size - 1] & 0xff) << 24);
-	_bLength = _raw_data[_file_size - 5];
-	_bcdDFU = (_raw_data[_file_size - 10] <<  0) |
-		(_raw_data[_file_size - 9] <<  8);
-	_idVendor = (_raw_data[_file_size - 12] <<  0) |
-		(_raw_data[_file_size - 11] <<  8);
-	_idProduct = (((uint16_t)_raw_data[_file_size - 14] & 0xff) <<  0) |
-		(((uint16_t)_raw_data[_file_size - 13] & 0xff) <<  8);
-	_bcdDevice = (_raw_data[_file_size - 16] <<  0) |
-		(_raw_data[_file_size - 15] <<  8);
+	_bLength = static_cast<uint8_t>(_raw_data[_file_size - 5]);
+	if (_bLength > _file_size) {
+		printError("Error: invalid DFU suffix length");
+		return -1;
+	}
+	_bcdDFU =
+		(static_cast<uint16_t>(_raw_data[_file_size - 10] & 0xff) <<  0) |
+		(static_cast<uint16_t>(_raw_data[_file_size -  9] & 0xff) <<  8);
+	_idVendor =
+		(static_cast<uint16_t>(_raw_data[_file_size - 12] & 0xff) <<  0) |
+		(static_cast<uint16_t>(_raw_data[_file_size - 11] & 0xff) <<  8);
+	_idProduct =
+		(static_cast<uint16_t>(_raw_data[_file_size - 14] & 0xff) <<  0) |
+		(static_cast<uint16_t>(_raw_data[_file_size - 13] & 0xff) <<  8);
+	_bcdDevice =
+		(static_cast<uint16_t>(_raw_data[_file_size - 16] & 0xff) <<  0) |
+		(static_cast<uint16_t>(_raw_data[_file_size - 15] & 0xff) <<  8);
 
 	/* yes it's silly but it's simpliest way */
-	_hdr = {{"dwCRC", string(11, ' ')}, {"bLength", ""},
-		{"ucDfuSignature", string(4, ' ')}, {"bcdDFU", string(7, ' ')},
-		{"idVendor", string(7, ' ')}, {"idProduct", string(7, ' ')},
-		{"bcdDevice", string(7, ' ')}};
+	_hdr = {{"dwCRC", std::string(11, ' ')}, {"bLength", ""},
+		{"ucDfuSignature", std::string(4, ' ')}, {"bcdDFU", std::string(7, ' ')},
+		{"idVendor", std::string(7, ' ')}, {"idProduct", std::string(7, ' ')},
+		{"bcdDevice", std::string(7, ' ')}};
 
 
 	char __buf[16];
 	int __buf_valid_bytes;
 	__buf_valid_bytes = snprintf(__buf, 11, "0x%08x", _dwCRC);
-	_hdr["dwCRC"] = string(__buf, __buf_valid_bytes);
+	_hdr["dwCRC"] = std::string(__buf, __buf_valid_bytes);
 	_hdr["dwCRC"].resize(11, ' ');
-	_hdr["bLength"] = to_string(_bLength);
-	_hdr["ucDfuSignature"] = ucDfuSignature;
+	_hdr["bLength"] = std::to_string(_bLength);
+	_hdr["ucDfuSignature"] = "DFU";
 	__buf_valid_bytes = snprintf(__buf, 7, "0x%04x", _bcdDFU);
-	_hdr["bcdDFU"] = string(__buf, __buf_valid_bytes);
+	_hdr["bcdDFU"] = std::string(__buf, __buf_valid_bytes);
 	_hdr["bcdDFU"].resize(7, ' ');
 	__buf_valid_bytes = snprintf(__buf, 7, "0x%04x", _idVendor);
-	_hdr["idVendor"] = string(__buf, __buf_valid_bytes);
+	_hdr["idVendor"] = std::string(__buf, __buf_valid_bytes);
 	_hdr["idVendor"].resize(7, ' ');
 	__buf_valid_bytes = snprintf(__buf, 7, "0x%04x", _idProduct);
-	_hdr["idProduct"] = string(__buf, __buf_valid_bytes);
+	_hdr["idProduct"] = std::string(__buf, __buf_valid_bytes);
 	_hdr["idProduct"].resize(7, ' ');
 	__buf_valid_bytes = snprintf(__buf, 7, "0x%04x", _bcdDevice);
-	_hdr["bcdDevice"] = string(__buf, __buf_valid_bytes);
+	_hdr["bcdDevice"] = std::string(__buf, __buf_valid_bytes);
 	_hdr["bcdDevice"].resize(7, ' ');
 
 	return 1;
@@ -149,14 +152,13 @@ int DFUFileParser::parse()
 	if (ret < 0)
 		return EXIT_FAILURE;
 
-	_bit_data.resize(_file_size - _bLength);
-	std::move(_raw_data.begin(), _raw_data.end(), _bit_data.begin());
+	_bit_data.assign(_raw_data.begin(), _raw_data.begin() + (_file_size - _bLength));
 
 	/* If file contains suffix check CRC */
 	if (ret != 0) {
 		/* check if CRC match content */
 		uint32_t crc = 0xffffffff;
-		for (int i = 0; i < _file_size-4; i++)
+		for (int i = 0; i < _file_size - 4; i++)
 			crc = crc32tbl[(crc ^ (uint8_t)_raw_data[i]) & 0xff] ^ (crc >> 8);
 
 		if (crc != _dwCRC) {

src/dfuFileParser.hpp

@@ -37,12 +37,12 @@ class DFUFileParser: public ConfigBitstreamParser {
 		 * \brief return vendor id associated
 		 * \return _idVendor
 		 */
-		uint16_t vendorID() {return _idVendor;}
+		uint16_t vendorID() const noexcept {return _idVendor;}
 		/*!
 		 * \brief return product id associated
 		 * \return _idProduct
 		 */
-		uint16_t productID() {return _idProduct;}
+		uint16_t productID() const noexcept {return _idProduct;}
 
 	private:
 		/*!

src/dirtyJtag.cpp

@@ -16,7 +16,6 @@
 #include "dirtyJtag.hpp"
 #include "display.hpp"
 
-using namespace std;
 
 #define DIRTYJTAG_VID 0x1209
 #define DIRTYJTAG_PID 0xC0CA
@@ -52,7 +51,6 @@ struct version_specific
 static version_specific v_options[4] ={{0, 240}, {0, 240}, {NO_READ, 496},
 									{NO_READ, 4000}};
 
-
 enum dirtyJtagSig {
 	SIG_TCK = (1 << 1),
 	SIG_TDI = (1 << 2),
@@ -62,47 +60,57 @@ enum dirtyJtagSig {
 	SIG_SRST = (1 << 6)
 };
 
-DirtyJtag::DirtyJtag(uint32_t clkHZ, int8_t verbose, uint16_t vid, uint16_t pid):
+DirtyJtag::DirtyJtag(uint32_t clkHz, int8_t verbose, uint16_t vid, uint16_t pid):
 			_verbose(verbose),
 			dev_handle(NULL), usb_ctx(NULL), _tdi(0), _tms(0), _version(0)
 {
 	int ret;
 
-	if (libusb_init(&usb_ctx) < 0) {
-		cerr << "libusb init failed" << endl;
-		throw std::exception();
-	}
+	if (libusb_init(&usb_ctx) < 0)
+		throw std::runtime_error("DirtyJtag: libusb init failed");
 
 	dev_handle = libusb_open_device_with_vid_pid(usb_ctx, vid, pid);
 	if (!dev_handle) {
-		cerr << "fails to open device" << endl;
 		libusb_exit(usb_ctx);
-		throw std::exception();
+		throw std::runtime_error("DirtyJtag: fails to open device");
 	}
 
 	ret = libusb_claim_interface(dev_handle, DIRTYJTAG_INTF);
 	if (ret) {
-		cerr << "libusb error while claiming DirtyJTAG interface" << endl;
 		libusb_close(dev_handle);
+		dev_handle = NULL;
 		libusb_exit(usb_ctx);
-		throw std::exception();
+		usb_ctx = NULL;
+		throw std::runtime_error("DirtyJtag: libusb error while claiming interface");
 	}
 
-	if (!getVersion())
-		throw std::runtime_error("Fail to get version");
+	if (!getVersion()) {
+		close_usb();
+		throw std::runtime_error("DirtyJtag: Fail to get version");
+	}
 
-	if (setClkFreq(clkHZ) < 0) {
-		cerr << "Fail to set frequency" << endl;
-		throw std::exception();
+	if (setClkFreq(clkHz) < 0) {
+		close_usb();
+		throw std::runtime_error("Fail to set frequency");
+	}
+}
+
+void DirtyJtag::close_usb()
+{
+	if (dev_handle) {
+		libusb_release_interface(dev_handle, DIRTYJTAG_INTF);
+		libusb_close(dev_handle);
+		dev_handle = NULL;
+	}
+	if (usb_ctx) {
+		libusb_exit(usb_ctx);
+		usb_ctx = NULL;
 	}
 }
 
 DirtyJtag::~DirtyJtag()
 {
-	if (dev_handle)
-		libusb_close(dev_handle);
-	if (usb_ctx)
-		libusb_exit(usb_ctx);
+	close_usb();
 }
 
 bool DirtyJtag::getVersion()
@@ -115,14 +123,14 @@ bool DirtyJtag::getVersion()
 	ret = libusb_bulk_transfer(dev_handle, DIRTYJTAG_WRITE_EP,
 					buf, 2, &actual_length, DIRTYJTAG_TIMEOUT);
 	if (ret < 0) {
-		cerr << "getVersion: usb bulk write failed " << ret << endl;
+		std::cerr << "getVersion: usb bulk write failed " << ret << std::endl;
 		return false;
 	}
 	do {
 		ret = libusb_bulk_transfer(dev_handle, DIRTYJTAG_READ_EP,
 						rx_buf, 64, &actual_length, DIRTYJTAG_TIMEOUT);
 		if (ret < 0) {
-			cerr << "getVersion: read: usb bulk read failed " << ret << endl;
+			std::cerr << "getVersion: read: usb bulk read failed " << ret << std::endl;
 			return false;
 		}
 	} while (actual_length == 0);
@@ -133,40 +141,40 @@ bool DirtyJtag::getVersion()
 	} else if (!strncmp("DJTAG3\n", (char*)rx_buf, 7)) {
 		_version = 3;
 	} else 	{
-		cerr << "dirtyJtag version unknown" << endl;
+		std::cerr << "dirtyJtag version unknown" << std::endl;
 		_version = 0;
 	}
 
 	return true;
 }
 
-int DirtyJtag::setClkFreq(uint32_t clkHZ)
+int DirtyJtag::setClkFreq(uint32_t clkHz)
 {
 	int actual_length;
-	int ret, req_freq = clkHZ;
+	int ret, req_freq = clkHz;
 
-	if (clkHZ > 16000000) {
-		printWarn("DirtyJTAG probe limited to 16000kHz");
-		clkHZ = 16000000;
+	if (clkHz > 16000000) {
+		printWarn("DirtyJTAG probe limited to 16000 kHz");
+		clkHz = 16000000;
 	}
 
-	_clkHZ = clkHZ;
+	_clkHZ = clkHz;
 
 	printInfo("Jtag frequency : requested " + std::to_string(req_freq) +
-			"Hz -> real " + std::to_string(clkHZ) + "Hz");
+			" Hz -> real " + std::to_string(clkHz) + " Hz");
 
 	uint8_t buf[] = {CMD_FREQ,
-					static_cast<uint8_t>(0xff & ((clkHZ / 1000) >> 8)),
-					static_cast<uint8_t>(0xff & ((clkHZ / 1000)     )),
+					static_cast<uint8_t>(0xff & ((clkHz / 1000) >> 8)),
+					static_cast<uint8_t>(0xff & ((clkHz / 1000)     )),
 					CMD_STOP};
 	ret = libusb_bulk_transfer(dev_handle, DIRTYJTAG_WRITE_EP,
 					buf, 4, &actual_length, DIRTYJTAG_TIMEOUT);
 	if (ret < 0) {
-		cerr << "setClkFreq: usb bulk write failed " << ret << endl;
+		std::cerr << "setClkFreq: usb bulk write failed " << ret << std::endl;
 		return -EXIT_FAILURE;
 	}
 
-	return clkHZ;
+	return clkHz;
 }
 
 int DirtyJtag::writeTMS(const uint8_t *tms, uint32_t len,
@@ -205,7 +213,7 @@ int DirtyJtag::writeTMS(const uint8_t *tms, uint32_t len,
 										   buf, buffer_idx, &actual_length,
 										   DIRTYJTAG_TIMEOUT);
 			if (ret < 0) {
-				cerr << "writeTMS: usb bulk write failed " << ret << endl;
+				std::cerr << "writeTMS: usb bulk write failed " << ret << std::endl;
 				return -EXIT_FAILURE;
 			}
 			buffer_idx = 0;
@@ -228,7 +236,7 @@ int DirtyJtag::toggleClk(__attribute__((unused)) uint8_t tms,
 		int ret = libusb_bulk_transfer(dev_handle, DIRTYJTAG_WRITE_EP,
 				buf, 4, &actual_length, DIRTYJTAG_TIMEOUT);
 		if (ret < 0) {
-			cerr << "toggleClk: usb bulk write failed " << ret << endl;
+			std::cerr << "toggleClk: usb bulk write failed " << ret << std::endl;
 			return -EXIT_FAILURE;
 		}
 		clk_len -= buf[2];
@@ -294,11 +302,11 @@ int DirtyJtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
 				(unsigned char *)tx_buf, xfer_len,
 				&actual_length, DIRTYJTAG_TIMEOUT);
 		if ((ret < 0) || (actual_length != xfer_len)) {
-			cerr << "writeTDI: fill: usb bulk write failed " << ret <<
-				"actual length: " << actual_length << endl;
+			std::cerr << "writeTDI: fill: usb bulk write failed " << ret <<
+				"actual length: " << actual_length << std::endl;
 			return EXIT_FAILURE;
 		}
-		// cerr << actual_length << ", " << bit_to_send << endl;
+		// std::cerr << actual_length << ", " << bit_to_send << std::endl;
 
 		if (rx || (_version <= 1)) {
 			const int transfer_length = (bit_to_send > 255) ? byte_to_send : 32;
@@ -306,7 +314,7 @@ int DirtyJtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
 				ret = libusb_bulk_transfer(dev_handle, DIRTYJTAG_READ_EP,
 					rx_buf, transfer_length, &actual_length, DIRTYJTAG_TIMEOUT);
 				if (ret < 0) {
-					cerr << "writeTDI: read: usb bulk read failed " << ret << endl;
+					std::cerr << "writeTDI: read: usb bulk read failed " << ret << std::endl;
 					return EXIT_FAILURE;
 				}
 			} while (actual_length == 0);
@@ -320,11 +328,11 @@ int DirtyJtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
 			}
 			/* Last xfer:
 			 * if bit_to_send is not a multiple of 8bits a shift must
-			 * be applied to align rigth the last Byte
+			 * be applied to align right the last Byte
 			 */
 			if (bit_to_send < max_bit_transfer_length) {
-				const uint32_t b = (bit_to_send >> 3) << 3; // floor
-				if (b < bit_to_send) { // difference ?
+				const uint32_t b = (bit_to_send >> 3) << 3;  // floor
+				if (b < bit_to_send) {  // difference ?
 					const uint32_t diff = bit_to_send - b;
 					const uint8_t t = rx_ptr[(rx_cnt-1) >> 3] >> (8 - diff);
 					rx_ptr[(rx_cnt - 1) >> 3] = t;
@@ -336,7 +344,7 @@ int DirtyJtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
 		tx_ptr += byte_to_send;
 	}
 
-	/* this step exist only with [D|I]R_SHIFT */
+	/* Final single-bit step used only for DR/IR SHIFT end transitions. */
 	if (end) {
 		int pos = len-1;
 		uint8_t sig;
@@ -360,7 +368,7 @@ int DirtyJtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
 			if (libusb_bulk_transfer(dev_handle, DIRTYJTAG_WRITE_EP,
 									 buf, 8, &actual_length,
 									 DIRTYJTAG_TIMEOUT) < 0) {
-				cerr << "writeTDI: last bit error: usb bulk write failed 1" << endl;
+				std::cerr << "writeTDI: last bit error: usb bulk write failed 1" << std::endl;
 				return -EXIT_FAILURE;
 			}
 
@@ -368,7 +376,7 @@ int DirtyJtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
 				if (libusb_bulk_transfer(dev_handle, DIRTYJTAG_READ_EP,
 											&sig, 1, &actual_length,
 											DIRTYJTAG_TIMEOUT) < 0) {
-					cerr << "writeTDI: last bit error: usb bulk read failed" << endl;
+					std::cerr << "writeTDI: last bit error: usb bulk read failed" << std::endl;
 					return -EXIT_FAILURE;
 				}
 			} while (actual_length == 0);
@@ -381,13 +389,13 @@ int DirtyJtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
 			if (libusb_bulk_transfer(dev_handle, DIRTYJTAG_WRITE_EP,
 									 buf, 4, &actual_length,
 									 DIRTYJTAG_TIMEOUT) < 0) {
-				cerr << "writeTDI: last bit error: usb bulk write failed 2" << endl;
+				std::cerr << "writeTDI: last bit error: usb bulk write failed 2" << std::endl;
 				return -EXIT_FAILURE;
 			}
 
 		} else {
 			if (toggleClk(_tms, _tdi, 1)) {
-				cerr << "writeTDI: last bit error" << endl;
+				std::cerr << "writeTDI: last bit error" << std::endl;
 				return -EXIT_FAILURE;
 			}
 		}
@@ -395,8 +403,8 @@ int DirtyJtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
 	return EXIT_SUCCESS;
 }
 
-/* GPIOs */
-/* Read GPIOs */
+/* GPIO helpers */
+/* Read GPIO signal state */
 uint8_t DirtyJtag::gpio_get()
 {
 	int actual_length;
@@ -437,12 +445,13 @@ bool DirtyJtag::_set_gpio_level(uint8_t gpio, uint8_t val)
 	return true;
 }
 
-/* update selected gpio */
+/* Set selected GPIO bits */
 bool DirtyJtag::gpio_set(uint8_t gpio)
 {
 	return _set_gpio_level(gpio, gpio);
 }
 
+/* Clear selected GPIO bits */
 bool DirtyJtag::gpio_clear(uint8_t gpio)
 {
 	return _set_gpio_level(gpio, 0);

src/dirtyJtag.hpp

@@ -11,24 +11,45 @@
 #include "jtagInterface.hpp"
 
 /*!
- * \file DirtyJtag.hpp
+ * \file dirtyJtag.hpp
  * \class DirtyJtag
- * \brief concrete class between jtag implementation and FTDI capable bitbang mode
+ * \brief concrete class between jtag implementation and DirtyJTAG probe
  * \author Gwenhael Goavec-Merou
  */
-
 class DirtyJtag : public JtagInterface {
  public:
-	DirtyJtag(uint32_t clkHZ, int8_t verbose, uint16_t vid = 0x1209, uint16_t pid = 0xC0CA);
+	DirtyJtag(uint32_t clkHz, int8_t verbose, uint16_t vid = 0x1209, uint16_t pid = 0xC0CA);
 	virtual ~DirtyJtag();
 
-	int setClkFreq(uint32_t clkHZ) override;
+	int setClkFreq(uint32_t clkHz) override;
 
-	/* TMS */
-    int writeTMS(const uint8_t *tms, uint32_t len, bool flush_buffer, const uint8_t tdi = 1) override;
-	/* TDI */
-    int writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool end) override;
-	/* clk */
+	/*!
+	 * \brief drive TMS to move in JTAG state machine
+	 * \param tms serie of TMS state
+	 * \param len number of TMS state
+	 * \param flush_buffer force flushing the buffer
+	 * \param tdi TDI constant value
+	 * \return number of state written
+	 */
+	int writeTMS(const uint8_t *tms, uint32_t len, bool flush_buffer, const uint8_t tdi = 1) override;
+
+	/*!
+	 * \brief send TDI bits (mainly in shift DR/IR state)
+	 * \param tx array of TDI values (used to write)
+	 * \param rx array of TDO values (used when read)
+	 * \param len number of bit to send/receive
+	 * \param end in JTAG state machine last bit and tms are set in same time
+	 * \return number of bit written and/or read
+	 */
+	int writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool end) override;
+
+	/*!
+	 * \brief toggle clock with static tms and tdi
+	 * \param tms state of tms signal
+	 * \param tdo state of tdo signal
+	 * \param clk_len number of clock cycle
+	 * \return number of clock cycle send
+	 */
 	int toggleClk(uint8_t tms, uint8_t tdo, uint32_t clk_len) override;
 
 	/*!
@@ -36,13 +57,12 @@ class DirtyJtag : public JtagInterface {
 	 * \return _buffer_size divided by 2 (two byte for clk) and divided by 8 (one
 	 * state == one byte)
 	 */
-	int get_buffer_size() override { return 0;}
+	int get_buffer_size() override { return 0; }
 
-	bool isFull() override { return false;}
+	bool isFull() override { return false; }
 
 	int flush() override;
 
-	/* access gpio */
 	/* read gpio */
 	uint8_t gpio_get();
 	/* update selected gpio */
@@ -54,11 +74,13 @@ class DirtyJtag : public JtagInterface {
 
 	int sendBitBang(uint8_t mask, uint8_t val, uint8_t *read, bool last);
 	bool getVersion();
-
 	bool _set_gpio_level(uint8_t gpio, uint8_t val);
 
-    libusb_device_handle *dev_handle;
+	/* USB */
+	void close_usb();
+	libusb_device_handle *dev_handle;
 	libusb_context *usb_ctx;
+
 	uint8_t _tdi;
 	uint8_t _tms;
 	uint8_t _version;

src/efinix.cpp

@@ -47,7 +47,7 @@ Efinix::Efinix(Jtag* jtag, const std::string &filename,
 			const std::string &board_name, const std::string &device_package,
 			const std::string &spiOverJtagPath, bool verify, int8_t verbose):
 	Device(jtag, filename, file_type, verify, verbose),
-	SPIInterface(filename, verbose, 256, false, false, false),
+	FlashInterface(filename, verbose, 256, false, false, false),
 	_spi(NULL), _rst_pin(0), _done_pin(0), _cs_pin(0),
 	_oe_pin(0), _fpga_family(UNKNOWN_FAMILY), _irlen(0),
 	_device_package(device_package), _spiOverJtagPath(spiOverJtagPath)
@@ -238,7 +238,7 @@ void Efinix::program(unsigned int offset, bool unprotect_flash)
 			break;
 		case FLASH_MODE:
 			if (_jtag)
-				ret = SPIInterface::write(offset, const_cast<uint8_t *>(data),
+				ret = FlashInterface::write(offset, const_cast<uint8_t *>(data),
 					length, unprotect_flash);
 			else
 				ret = programSPI(offset, data, length, unprotect_flash);
@@ -257,7 +257,7 @@ void Efinix::program(unsigned int offset, bool unprotect_flash)
 bool Efinix::detect_flash()
 {
 	if (_jtag) {
-		return SPIInterface::detect_flash();
+		return FlashInterface::detect_flash();
 	}
 
 #if 0
@@ -265,7 +265,7 @@ bool Efinix::detect_flash()
 	 * uncomment it and submit a PR!  */
 	_spi->gpio_clear(_rst_pin);
 
-	bool rv = reinterpret_cast<SPIInterface *>(_spi)->detect_flash();
+	bool rv = reinterpret_cast<FlashInterface *>(_spi)->detect_flash();
 
 	reset();
 
@@ -279,8 +279,8 @@ bool Efinix::detect_flash()
 bool Efinix::dumpFlash(uint32_t base_addr, uint32_t len)
 {
 	if (_jtag) {
-		SPIInterface::set_filename(_filename);
-		return SPIInterface::dump(base_addr, len);
+		FlashInterface::set_filename(_filename);
+		return FlashInterface::dump(base_addr, len);
 	}
 
 	uint32_t timeout = 1000;
@@ -289,7 +289,7 @@ bool Efinix::dumpFlash(uint32_t base_addr, uint32_t len)
 	/* prepare SPI access */
 	printInfo("Read Flash ", false);
 	try {
-		SPIFlash flash(reinterpret_cast<SPIInterface *>(_spi), false, _verbose);
+		SPIFlash flash(reinterpret_cast<FlashInterface *>(_spi), false, _verbose);
 		flash.reset();
 		flash.power_up();
 		flash.dump(_filename, base_addr, len);
@@ -322,7 +322,7 @@ bool Efinix::programSPI(unsigned int offset, const uint8_t *data,
 	bool ret = true;
 	_spi->gpio_clear(_rst_pin | _oe_pin);
 
-	SPIFlash flash(reinterpret_cast<SPIInterface *>(_spi), unprotect_flash,
+	SPIFlash flash(reinterpret_cast<FlashInterface *>(_spi), unprotect_flash,
 			_verbose);
 	flash.reset();
 	flash.power_up();

src/efinix.hpp

@@ -12,9 +12,9 @@
 #include "ftdiJtagMPSSE.hpp"
 #include "ftdispi.hpp"
 #include "jtag.hpp"
-#include "spiInterface.hpp"
+#include "flashInterface.hpp"
 
-class Efinix: public Device, SPIInterface {
+class Efinix: public Device, FlashInterface {
 	public:
 		Efinix(FtdiSpi *spi, const std::string &filename,
 			const std::string &file_type,

src/efinixHexParser.cpp

@@ -10,19 +10,18 @@
 #include "display.hpp"
 #include "efinixHexParser.hpp"
 
-using namespace std;
 
-EfinixHexParser::EfinixHexParser(const string &filename):
+EfinixHexParser::EfinixHexParser(const std::string &filename):
 		ConfigBitstreamParser(filename, ConfigBitstreamParser::ASCII_MODE,
 		false)
 {}
 
 int EfinixHexParser::parseHeader()
 {
-	string buffer;
-	istringstream lineStream(_raw_data);
+	std::string buffer;
+	std::istringstream lineStream(_raw_data);
 	int bytesRead = 0;
-	string headerText;
+	std::string headerText;
 	bool foundPaddedBits = false;
 	
 	while (std::getline(lineStream, buffer, '\n')) {
@@ -40,20 +39,20 @@ int EfinixHexParser::parseHeader()
 				break;
 		}
 		
-		if (headerText.find("PADDED_BITS") != string::npos)
+		if (headerText.find("PADDED_BITS") != std::string::npos)
 			foundPaddedBits = true;
 	}
 	
 	size_t pos;
-	if ((pos = headerText.find("Mode: ")) != string::npos) {
+	if ((pos = headerText.find("Mode: ")) != std::string::npos) {
 		size_t end = headerText.find('\n', pos);
 		_hdr["mode"] = headerText.substr(pos + 6, end - pos - 6);
 	}
-	if ((pos = headerText.find("Width: ")) != string::npos) {
+	if ((pos = headerText.find("Width: ")) != std::string::npos) {
 		size_t end = headerText.find('\n', pos);
 		_hdr["width"] = headerText.substr(pos + 7, end - pos - 7);
 	}
-	if ((pos = headerText.find("Device: ")) != string::npos) {
+	if ((pos = headerText.find("Device: ")) != std::string::npos) {
 		size_t end = headerText.find('\n', pos);
 		_hdr["device"] = headerText.substr(pos + 8, end - pos - 8);
 	}
@@ -63,10 +62,10 @@ int EfinixHexParser::parseHeader()
 
 int EfinixHexParser::parse()
 {
-	string buffer;
+	std::string buffer;
 	parseHeader();
 	
-	istringstream lineStream(_raw_data);
+	std::istringstream lineStream(_raw_data);
 
 	while (std::getline(lineStream, buffer, '\n')) {
 		_bit_data.push_back(std::stol(buffer, nullptr, 16));

src/epcq.cpp

@@ -1,77 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0
-/*
- * Copyright (C) 2019 Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <strings.h>
-
-#include "epcq.hpp"
-
-#define RD_STATUS_REG       0x05
-#  define STATUS_REG_WEL    (0x01 << 1)
-#  define STATUS_REG_WIP    (0x01 << 0)
-#define RD_BYTE_REG         0x03
-#define RD_DEV_ID_REG       0x9F
-#define RD_SILICON_ID_REG   0xAB
-#define RD_FAST_READ_REG    0x0B
-/* TBD */
-#define WR_ENABLE_REG       0x06
-#define WR_DISABLE_REG      0x04
-#define WR_STATUS_REG       0x01
-#define WR_BYTES_REG        0x02
-/* TBD */
-#define ERASE_BULK_REG      0xC7
-#define ERASE_SECTOR_REG    0xD8
-#define ERASE_SUBSECTOR_REG 0x20
-#define RD_SFDP_REG_REG     0x5A
-
-#define SECTOR_SIZE			65536
-
-void EPCQ::dumpJICFile(char *jic_file, char *out_file, size_t max_len)
-{
-	int offset = 0xA1;
-	unsigned char c;
-	size_t i = 0;
-
-	FILE *jic = fopen(jic_file, "r");
-	fseek(jic, offset, SEEK_SET);
-	FILE *out = fopen(out_file, "w");
-	for (i=0; i < max_len && (1 == fread(&c, 1, 1, jic)); i++) {
-		fprintf(out, "%zx %x\n", i, c);
-	}
-	fclose(jic);
-	fclose(out);
-}
-
-void EPCQ::read_id()
-{
-	unsigned char rx_buf[5];
-	/* read EPCQ device id */
-	/* 2 dummy_byte + 1byte */
-	_spi->spi_put(0x9F, NULL, rx_buf, 3);
-	_device_id = rx_buf[2];
-	if (_verbose)
-		printf("device id 0x%x attendu 0x15\n", _device_id);
-	/* read EPCQ silicon id */
-	/* 3 dummy_byte + 1 byte*/
-	_spi->spi_put(0xAB, NULL, rx_buf, 4);
-	_silicon_id = rx_buf[3];
-	if (_verbose)
-		printf("silicon id 0x%x attendu 0x14\n", _silicon_id);
-}
-
-void EPCQ::reset()
-{
-	printf("reset\n");
-	_spi->spi_put(0x66, NULL, NULL, 0);
-	_spi->spi_put(0x99, NULL, NULL, 0);
-}
-
-EPCQ::EPCQ(SPIInterface *spi, bool unprotect_flash, int8_t verbose):
-	SPIFlash(spi, unprotect_flash, verbose), _device_id(0), _silicon_id(0)
-{}
-
-EPCQ::~EPCQ()
-{}

src/epcq.hpp

@@ -1,41 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0
-/*
- * Copyright (C) 2019 Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
- */
-
-#ifndef SRC_EPCQ_HPP_
-#define SRC_EPCQ_HPP_
-
-#include <cstdint>
-#include <iostream>
-#include <vector>
-
-#include "spiInterface.hpp"
-#include "spiFlash.hpp"
-
-using namespace std;
-
-class EPCQ: public SPIFlash {
- public:
-	EPCQ(SPIInterface *spi, bool unprotect_flash, int8_t verbose);
-	~EPCQ();
-
-	void read_id() override;
-
-	void reset() override;
-
-	/* not supported */
-	void power_up() override {}
-	void power_down() override {}
-
-	private:
-		unsigned char convertLSB(unsigned char src);
-
-		/* trash */
-		void dumpJICFile(char *jic_file, char *out_file, size_t max_len);
-
-		unsigned char _device_id;
-		unsigned char _silicon_id;
-};
-
-#endif  // SRC_EPCQ_HPP_

src/epcq2.cpp

@@ -1,279 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0
-/*
- * Copyright (C) 2019 Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <strings.h>
-
-#include "epcq2.hpp"
-
-#define RD_STATUS_REG       0x05
-#  define STATUS_REG_WEL    (0x01 << 1)
-#  define STATUS_REG_WIP    (0x01 << 0)
-#define RD_BYTE_REG         0x03
-#define RD_DEV_ID_REG       0x9F
-#define RD_SILICON_ID_REG   0xAB
-#define RD_FAST_READ_REG    0x0B
-/* TBD */
-#define WR_ENABLE_REG       0x06
-#define WR_DISABLE_REG      0x04
-#define WR_STATUS_REG       0x01
-#define WR_BYTES_REG        0x02
-/* TBD */
-#define ERASE_BULK_REG      0xC7
-#define ERASE_SECTOR_REG    0xD8
-#define ERASE_SUBSECTOR_REG 0x20
-#define RD_SFDP_REG_REG     0x5A
-
-#define SECTOR_SIZE			65536
-
-/* EPCQ wait for LSB first data
- * so we simply reconstruct a new char with reverse
- */
-unsigned char EPCQ::convertLSB(unsigned char src)
-{
-	unsigned char res = 0;
-
-	for (int i=0; i < 8; i++)
-		res = (res << 1) | ((src >> i) & 0x01);
-
-	return res;
-
-}
-
-/* wait for WEL goes high by reading
- * status register in a loop
- */
-#if 0
-void EPCQ::wait_wel()
-{
-	uint8_t cmd = RD_STATUS_REG, recv;
-
-	_spi.setCSmode(FtdiSpi::SPI_CS_MANUAL);
-	_spi.clearCs();
-	_spi.ft2232_spi_wr_and_rd(1, &cmd, NULL);
-	do {
-		_spi.ft2232_spi_wr_and_rd(1, NULL, &recv);
-	} while(!(recv & STATUS_REG_WEL));
-	_spi.setCs();
-	_spi.setCSmode(FtdiSpi::SPI_CS_AUTO);
-}
-#endif
-
-/* wait for WIP goes low by reading
- * status register in a loop
- */
-#if 0
-void EPCQ::wait_wip()
-{
-	uint8_t cmd = RD_STATUS_REG, recv;
-
-	_spi.setCSmode( FtdiSpi::SPI_CS_MANUAL);
-	_spi.clearCs();
-	_spi.ft2232_spi_wr_and_rd(1, &cmd, NULL);
-	do {
-		_spi.ft2232_spi_wr_and_rd(1, NULL, &recv);
-	} while(0x00 != (recv & STATUS_REG_WIP));
-	_spi.setCs();
-	_spi.setCSmode( FtdiSpi::SPI_CS_AUTO);
-}
-#endif
-
-/* enable write enable */
-#if 0
-int EPCQ::do_write_enable()
-{
-	uint8_t cmd;
-	cmd = WR_ENABLE_REG;
-	_spi.ft2232_spi_wr_and_rd(1, &cmd, NULL);
-	wait_wel();
-	return 0;
-}
-#endif
-
-
-/* currently we erase sector but it's possible to 
- * do sector + subsector to reduce erase
- */
-
-#if 0
-int EPCQ::erase_sector(char start_sector, char nb_sectors)
-{
-	uint8_t buffer[4] = {ERASE_SECTOR_REG, 0, 0, 0};
-	uint32_t base_addr = start_sector * SECTOR_SIZE;
-
-	/* 1. enable write
-	 * 2. send opcode + address in targeted sector
-	 * 3. wait for end. 
-	 */
-
-	printf("erase %d sectors\n", nb_sectors);
-	for (base_addr = start_sector * SECTOR_SIZE; nb_sectors >= 0; nb_sectors--, base_addr += SECTOR_SIZE) {
-		/* allow write */
-		do_write_enable();
-		/* send addr in the current sector */	
-		buffer[1] = (base_addr >> 16) & 0xff;
-		buffer[2] = (base_addr >> 8) & 0x0ff;
-		buffer[3] = (base_addr) & 0x0ff;
-		printf("%d %d %x %x %x %x ", nb_sectors, base_addr, buffer[0], buffer[1], buffer[2], buffer[3]);
-
-		if (_spi.ft2232_spi_wr_and_rd(4, buffer, NULL) < 0) {
-			cout << "Write error in erase_sector\n" << endl;
-			return -1;
-		}
-
-		/* read status reg, wait for WIP goes low */
-		wait_wip();
-		printf("sector %d ok\n", nb_sectors);
-	}
-	printf("erase : end\n");
-	return 0;
-}
-#endif
-
-/* write must be do by 256bytes. Before writing next 256bytes we must
- * wait for WIP goes low
- */
-
-#if 0
-void EPCQ::program(unsigned int start_offset, string filename, bool reverse)
-{
-	FILE *fd;
-	int file_size, nb_sect, i, ii;
-	unsigned char buffer[256 + 4], rd_buffer[256], start_sector;
-	int nb_iter, len, nb_read, offset = start_offset;
-	/* 1. we need to know the size of the bistream
-	 * 2. according to the same we compute number of sector needed
-	 * 3. we erase sectors
-	 * 4. we write new content
-	 */
-	fd = fopen(filename.c_str(), "r");
-	if (!fd) {
-		cout << "Error opening " << filename << endl;
-		return;
-	}
-	fseek(fd, 0, SEEK_END);
-	file_size = ftell(fd);
-	fseek(fd, 0, SEEK_SET);
-
-	/* compute number of sector used */
-	nb_sect = file_size / SECTOR_SIZE;
-	nb_sect +=  ((file_size % SECTOR_SIZE) ? 1 : 0);
-	/* compute number of iterations */
-	nb_iter = file_size / 256;
-	nb_iter +=  ((file_size % 256) ? 1 : 0);
-	len = file_size;
-	/* compute start sector */
-	start_sector = start_offset / SECTOR_SIZE;
-
-	printf("erase %d sectors starting at 0x%x (sector %d)\n", nb_sect, offset, start_sector);
-	erase_sector(start_sector, (char)nb_sect);
-
-	/* now start programming */
-	if (_verbose) {
-		printf("program in ");
-		if (reverse)
-			printf("reverse mode\n");
-		else
-			printf("direct mode\n");
-	}
-	buffer[0] = WR_BYTES_REG;
-	for (i= 0; i < nb_iter; i++) {
-		do_write_enable();
-
-		nb_read = fread(rd_buffer, 1, 256, fd);
-		if (nb_read == 0) {
-			printf("problem reading the source file\n");
-			break;
-		}
-		buffer[1] = (offset >> 16) & 0xff;
-		buffer[2] = (offset >> 8) & 0xff;
-		buffer[3] = offset & 0xff;
-		memcpy(&buffer[4], rd_buffer, nb_read);
-		for (ii= 0; ii < nb_read; ii++)
-			buffer[ii+4] = (reverse) ? convertLSB(rd_buffer[ii]):rd_buffer[ii];
-		_spi.ft2232_spi_wr_and_rd(nb_read+4, buffer, NULL);
-		wait_wip();
-		len -= nb_read;
-		offset += nb_read;
-		if ((i % 10) == 0)
-			printf("%s sector done len %d %d %d\n", __func__, len, i, nb_iter);
-	}
-
-	fclose(fd);
-}
-#endif
-
-
-void EPCQ::dumpJICFile(char *jic_file, char *out_file, size_t max_len)
-{
-	int offset = 0xA1;
-	unsigned char c;
-	size_t i=0;
-
-	FILE *jic = fopen(jic_file, "r");
-	fseek(jic, offset, SEEK_SET);
-	FILE *out = fopen(out_file, "w");
-	for (i=0; i < max_len && (1 == fread(&c, 1, 1, jic)); i++) {
-		fprintf(out, "%zx %x\n", i, c);
-	}
-	fclose(jic);
-	fclose(out);
-}
-
-#if 0
-void EPCQ::dumpflash(char *dest_file, int size)
-{
-	(void)size;
-	(void)dest_file;
-	int i;
-	unsigned char tx_buf[5] = {RD_FAST_READ_REG, 0, 0, 0, 0};
-
-	/* 1 byte cmd + 3 byte addr + 8 dummy clk cycle -> 1 byte */
-	int realByteToRead = 2097380;
-	realByteToRead =  0x1FFFFF;
-	realByteToRead = 718569;
-	unsigned char big_buf[realByteToRead];
-
-	_spi.ft2232_spi_wr_then_rd(tx_buf, 5, big_buf, realByteToRead);
-
-	FILE *fd = fopen("flash_dump.dd", "w");
-	FILE *fd_txt = fopen("flash_dump.txt", "w");
-	unsigned char c;
-	for (i=0; i<realByteToRead; i++) {
-		c = convertLSB(big_buf[i]);
-		fwrite(&c, 1, 1, fd);
-		fprintf(fd_txt, "%x %x\n", i, c);
-	}
-	fclose(fd);
-	fclose(fd_txt);
-}
-#endif
-
-void EPCQ::read_id()
-{
-	unsigned char tx_buf[5];
-	unsigned char rx_buf[5];
-	/* read EPCQ device id */
-	tx_buf[0] = 0x9f;
-	/* 2 dummy_byte + 1byte */
-	_spi->spi_put(0x9F, NULL, rx_buf, 3);
-	_device_id = rx_buf[2];
-	if (_verbose)
-		printf("device id 0x%x expected 0x15\n", _device_id);
-	/* read EPCQ silicon id */
-	//tx_buf[0] = 0xAB;
-	/* 3 dummy_byte + 1 byte*/
-	_spi->spi_put(0xAB, NULL, rx_buf, 4);
-	_silicon_id = rx_buf[3];
-	if (_verbose)
-		printf("silicon id 0x%x expected 0x14\n", _silicon_id);
-}
-
-EPCQ::EPCQ(SPIInterface *spi, int8_t verbose):SPIFlash(spi, verbose)
-{}
-
-EPCQ::~EPCQ()
-{}

src/epcq2.hpp

@@ -1,39 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0
-/*
- * Copyright (C) 2019 Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
- */
-
-#include <iostream>
-#include <vector>
-#include "spiInterface.hpp"
-#include "spiFlash.hpp"
-
-using namespace std;
-
-class EPCQ: public SPIFlash {
- public:
- 	EPCQ(SPIInterface *spi, int8_t verbose);
-	~EPCQ();
-
-	void read_id() override;
-
-	//void program(unsigned int start_offset, string filename, bool reverse=true);
-	//int erase_sector(char start_sector, char nb_sectors);
-	//void dumpflash(char *dest_file, int size);
-
-	/* not supported */
-	virtual void power_up() override {}
-	virtual void power_down() override {}
-
-	private:
-		unsigned char convertLSB(unsigned char src);
-		//void wait_wel();
-		//void wait_wip();
-		//int do_write_enable();
-
-		/* trash */
-		void dumpJICFile(char *jic_file, char *out_file, size_t max_len);
-
-		unsigned char _device_id;
-		unsigned char _silicon_id;
-};

src/esp_usb_jtag.cpp

@@ -113,7 +113,6 @@ this description is a copy from openocd/src/jtag/drivers/esp_usb_jtag.c
 #include "esp_usb_jtag.hpp"
 #include "display.hpp"
 
-using namespace std;
 
 #define ESPUSBJTAG_VID 0x303A
 #define ESPUSBJTAG_PID 0x1001
@@ -257,7 +256,7 @@ esp_usb_jtag::esp_usb_jtag(uint32_t clkHZ, int8_t verbose, int vid = ESPUSBJTAG_
 	char mess[256];
 
 	if (libusb_init(&usb_ctx) < 0) {
-		cerr << "libusb init failed" << endl;
+		std::cerr << "libusb init failed" << std::endl;
 		throw std::exception();
 	}
 
@@ -282,7 +281,7 @@ esp_usb_jtag::esp_usb_jtag(uint32_t clkHZ, int8_t verbose, int vid = ESPUSBJTAG_
 
 	ret = libusb_claim_interface(dev_handle, ESPUSBJTAG_INTF);
 	if (ret) {
-		cerr << "libusb error while claiming esp_usb_jtag interface of device vid:pid 0x" << std::hex << vid << ":0x" << std::hex << pid << endl;
+		std::cerr << "libusb error while claiming esp_usb_jtag interface of device vid:pid 0x" << std::hex << vid << ":0x" << std::hex << pid << std::endl;
 		libusb_close(dev_handle);
 		libusb_exit(usb_ctx);
 		throw std::exception();
@@ -293,7 +292,7 @@ esp_usb_jtag::esp_usb_jtag(uint32_t clkHZ, int8_t verbose, int vid = ESPUSBJTAG_
 		throw std::runtime_error("Fail to get version");
 
 	if (setClkFreq(clkHZ) < 0) {
-		cerr << "Fail to set frequency" << endl;
+		std::cerr << "Fail to set frequency" << std::endl;
 		throw std::exception();
 	}
 }
@@ -331,8 +330,8 @@ bool esp_usb_jtag::getVersion()
 	}
 
 	for(int i = 0; i < jtag_caps_read_len; i++)
-	  cerr << " 0x" << std::hex << (int)(jtag_caps_desc[i]);
-	cerr << endl;
+	  std::cerr << " 0x" << std::hex << (int)(jtag_caps_desc[i]);
+	std::cerr << std::endl;
 	
 	_base_speed_khz = UINT32_MAX;
 	_div_min = 1;
@@ -342,20 +341,20 @@ bool esp_usb_jtag::getVersion()
 		VEND_DESCR_BUILTIN_JTAG_CAPS ? JTAG_BUILTIN_DESCR_START_OFF : JTAG_EUB_DESCR_START_OFF;
 
 	if (p + sizeof(struct jtag_proto_caps_hdr) > (unsigned int)jtag_caps_read_len) {
-		cerr << "esp_usb_jtag: not enough data to get header" << endl;
+		std::cerr << "esp_usb_jtag: not enough data to get header" << std::endl;
 		// goto out;
 	}
 
 	struct jtag_proto_caps_hdr *hdr = (struct jtag_proto_caps_hdr *)&jtag_caps_desc[p];
 	if (hdr->proto_ver != JTAG_PROTO_CAPS_VER) {
-		cerr << "esp_usb_jtag: unknown jtag_caps descriptor version 0x" << std::hex
-			<< hdr->proto_ver << endl;
+		std::cerr << "esp_usb_jtag: unknown jtag_caps descriptor version 0x" << std::hex
+			<< hdr->proto_ver << std::endl;
 		// goto out;
 	}
 	if (hdr->length > jtag_caps_read_len) {
-		cerr << "esp_usb_jtag: header length (" << hdr->length
+		std::cerr << "esp_usb_jtag: header length (" << hdr->length
 			 << ") bigger then max read bytes (" << jtag_caps_read_len
-			 << ")" << endl;
+			 << ")" << std::endl;
 		// goto out;
 	}
 
@@ -367,7 +366,7 @@ bool esp_usb_jtag::getVersion()
 		struct jtag_gen_hdr *dhdr = (struct jtag_gen_hdr *)&jtag_caps_desc[p];
 		if (dhdr->type == JTAG_PROTO_CAPS_SPEED_APB_TYPE) {
 			if (p + sizeof(struct jtag_proto_caps_speed_apb) < hdr->length) {
-				cerr << "esp_usb_jtag: not enough data to get caps speed" << endl;
+				std::cerr << "esp_usb_jtag: not enough data to get caps speed" << std::endl;
 				return false;
 			}
 			struct jtag_proto_caps_speed_apb *spcap = (struct jtag_proto_caps_speed_apb *)dhdr;
@@ -378,15 +377,15 @@ bool esp_usb_jtag::getVersion()
 			/* TODO: mark in priv that this is apb-derived and as such may change if apb
 			 * ever changes? */
 		} else {
-			cerr << "esp_usb_jtag: unknown caps type 0x" << dhdr->type << endl;;
+			std::cerr << "esp_usb_jtag: unknown caps type 0x" << dhdr->type << std::endl;;
 		}
 		p += dhdr->length;
 	}
 	if (priv->base_speed_khz == UINT32_MAX) {
-		cerr << "esp_usb_jtag: No speed caps found... using sane-ish defaults." << endl;
+		std::cerr << "esp_usb_jtag: No speed caps found... using sane-ish defaults." << std::endl;
 		_base_speed_khz = 1000;
 	}
-	cerr << "esp_usb_jtag: Device found. Base speed " << std::dec << _base_speed_khz << " KHz, div range " << (int)_div_min << " to " << (int)_div_max << endl;
+	std::cerr << "esp_usb_jtag: Device found. Base speed " << std::dec << _base_speed_khz << " KHz, div range " << (int)_div_min << " to " << (int)_div_max << std::endl;
 
 	_version = 1; // currently only protocol version 1 exists
 
@@ -434,7 +433,7 @@ int esp_usb_jtag::setClkFreq(uint32_t clkHZ)
 	/*timeout ms*/      ESPUSBJTAG_TIMEOUT_MS);
 
 	if (ret != 0) {
-		cerr << "setClkFreq: usb bulk write failed " << ret << endl;
+		std::cerr << "setClkFreq: usb bulk write failed " << ret << std::endl;
 		return -EXIT_FAILURE;
 	}
 
@@ -503,7 +502,7 @@ int esp_usb_jtag::writeTMS(const uint8_t *tms, uint32_t len, bool flush_buffer,
 			return -EXIT_FAILURE;
 		}
 		if (_verbose)
-			cerr << "tms" << endl;
+			std::cerr << "tms" << std::endl;
 	}
 
 	return len;
@@ -579,11 +578,11 @@ int esp_usb_jtag::setio(int srst, int tms, int tdi, int tck)
 	/*timeout ms*/	ESPUSBJTAG_TIMEOUT_MS);
 
 	if (ret != 0) {
-		cerr << "setio: control write failed " << ret << endl;
+		std::cerr << "setio: control write failed " << ret << std::endl;
 		return -EXIT_FAILURE;
 	}
 	if (_verbose)
-		cerr << "setio 0x" << std::hex << wvalue << endl;
+		std::cerr << "setio 0x" << std::hex << wvalue << std::endl;
 	return 0;
 }
 
@@ -708,12 +707,12 @@ int esp_usb_jtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool en
 	// last byte in buf will have data in both nibbles, no flush
 	// exec order: high-nibble-first, low-nibble-second
 	if (_verbose) {
-		cerr << "is high nibble=" << (int)is_high_nibble << endl;
+		std::cerr << "is high nibble=" << (int)is_high_nibble << std::endl;
 		//int bits_in_tx_buf = 0;
 		for(uint32_t i = 0; i < (len + 7) >> 3; i++)
-			cerr << " " << std::hex << (int)tdi[i];
-		cerr << endl;
-		cerr << "tdi_bits ";
+			std::cerr << " " << std::hex << (int)tdi[i];
+		std::cerr << std::endl;
+		std::cerr << "tdi_bits ";
 	}
 
 	for (uint32_t pos = 0; pos < len; pos += xfer_len) {
@@ -739,7 +738,7 @@ int esp_usb_jtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool en
 			uint32_t curr_pos = pos + i;
 			_tdi = (tdi[curr_pos >> 3] >> (curr_pos & 7)) & 1; // get i'th bit from rx
 			if (_verbose)
-				cerr << (int)_tdi;
+				std::cerr << (int)_tdi;
 			if (end && curr_pos == len - 1)
 				_tms = 1;
 			const uint8_t cmd = CMD_CLK(tdo, _tdi, _tms); // with TDO capture
@@ -768,7 +767,7 @@ int esp_usb_jtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool en
 			return -EXIT_FAILURE;
 		}
 		if (_verbose)
-			cerr << "writeTDI write 0x" << tx_buffer_idx << " bytes" << endl;
+			std::cerr << "writeTDI write 0x" << tx_buffer_idx << " bytes" << std::endl;
 		if (rx) {
 			flush(); // must flush before reading
 			// TODO support odd len for TDO
@@ -788,7 +787,7 @@ int esp_usb_jtag::writeTDI(const uint8_t *tx, uint8_t *rx, uint32_t len, bool en
 					nb_try++;
 				} while (nb_try < 3 && ret == 0);
 				if (_verbose)
-					cerr << "writeTDI read " << std::to_string(ret) << endl;
+					std::cerr << "writeTDI read " << std::to_string(ret) << std::endl;
 				if (read_byte_len != ret) {
 					snprintf(mess, 256, "writeTDI: usb bulk read expected=%d received=%d", read_byte_len, ret);
 					printError(mess);

src/feaparser.cpp

@@ -63,9 +63,8 @@
 #  define FEATURE_CORE_CLK_SEL		(0x03 << 30)	/* Core Clock Sel */
 
 
-using namespace std;
 
-FeaParser::FeaParser(const string &filename, bool verbose):
+FeaParser::FeaParser(const std::string &filename, bool verbose):
 	ConfigBitstreamParser(filename, ConfigBitstreamParser::BIN_MODE, verbose),
 	_feabits(0), _has_feabits(false)
 {
@@ -76,14 +75,14 @@ FeaParser::FeaParser(const string &filename, bool verbose):
 /* fill a vector with consecutive lines, beginning with 0 or 1, until EOF
  * \brief read a line with '\r''\n' or '\n' termination
  * check if last char is '\r'
- * \return a vector of lines without [\r]\n
+ * \return a std::vector of lines without [\r]\n
  */
-vector<string> FeaParser::readFeaFile()
+std::vector<std::string> FeaParser::readFeaFile()
 {
-	vector<string> lines;
+	std::vector<std::string> lines;
 
 	while (true) {
-		string buffer;
+		std::string buffer;
 		std::getline(_ss, buffer, '\n');
 		if (buffer.empty())
 			break;
@@ -230,16 +229,16 @@ void FeaParser::displayHeader()
  * 1: xxxx\n : feature Row (96 bits)
  * 2: yyyy*\n : feabits (32 bits)
  */
-void FeaParser::parseFeatureRowAndFeabits(const vector<string> &content)
+void FeaParser::parseFeatureRowAndFeabits(const std::vector<std::string> &content)
 {
 	printf("Parsing Feature Row & FEAbits...\n");
 
-	string featuresRow = content[0];
+	std::string featuresRow = content[0];
 	//printf("Features: [%s]\n", featuresRow.c_str());
 	for (size_t i = 0; i < featuresRow.size(); i++)
 		_featuresRow[3 - (i/32) - 1] |= ((featuresRow[i] - '0') << (32 - (i%32) - 1));
 
-	string feabits = content[1];
+	std::string feabits = content[1];
 	//printf("Feabits: [%s]\n", feabits.c_str());
 	_feabits = 0;
 	for (size_t i = 0; i < feabits.size(); i++) {
@@ -249,7 +248,7 @@ void FeaParser::parseFeatureRowAndFeabits(const vector<string> &content)
 
 int FeaParser::parse()
 {
-	std::vector<string>lines;
+	std::vector<std::string>lines;
 
 	_ss.str(_raw_data);
 

src/flashInterface.cpp

@@ -7,14 +7,14 @@
 #include <vector>
 
 #include "display.hpp"
-#include "spiInterface.hpp"
+#include "flashInterface.hpp"
 #include "spiFlash.hpp"
 
-SPIInterface::SPIInterface():_spif_verbose(0), _spif_rd_burst(0),
+FlashInterface::FlashInterface():_spif_verbose(0), _spif_rd_burst(0),
 	_spif_verify(false), _skip_load_bridge(false)
 {}
 
-SPIInterface::SPIInterface(const std::string &filename, int8_t verbose,
+FlashInterface::FlashInterface(const std::string &filename, int8_t verbose,
 		uint32_t rd_burst, bool verify, bool skip_load_bridge,
 		bool skip_reset):
 	_spif_verbose(verbose), _spif_rd_burst(rd_burst),
@@ -23,7 +23,7 @@ SPIInterface::SPIInterface(const std::string &filename, int8_t verbose,
 {}
 
 /* spiFlash generic acces */
-bool SPIInterface::detect_flash()
+bool FlashInterface::detect_flash()
 {
 	bool ret = true;
 
@@ -53,7 +53,7 @@ bool SPIInterface::detect_flash()
 	return post_flash_access() && ret;
 }
 
-bool SPIInterface::protect_flash(uint32_t len)
+bool FlashInterface::protect_flash(uint32_t len)
 {
 	bool ret = true;
 	printInfo("protect_flash:");
@@ -84,7 +84,7 @@ bool SPIInterface::protect_flash(uint32_t len)
 	return post_flash_access() && ret;
 }
 
-bool SPIInterface::unprotect_flash()
+bool FlashInterface::unprotect_flash()
 {
 	bool ret = true;
 
@@ -115,7 +115,7 @@ bool SPIInterface::unprotect_flash()
 	return post_flash_access() && ret;
 }
 
-bool SPIInterface::set_quad_bit(bool set_quad)
+bool FlashInterface::set_quad_bit(bool set_quad)
 {
 	bool ret = true;
 
@@ -146,7 +146,7 @@ bool SPIInterface::set_quad_bit(bool set_quad)
 	return post_flash_access() && ret;
 }
 
-bool SPIInterface::bulk_erase_flash()
+bool FlashInterface::bulk_erase_flash()
 {
 	bool ret = true;
 	printInfo("bulk_erase:");
@@ -177,7 +177,7 @@ bool SPIInterface::bulk_erase_flash()
 	return post_flash_access() && ret;
 }
 
-bool SPIInterface::write(const std::vector<FlashDataSection>&sections,
+bool FlashInterface::write(const std::vector<FlashDataSection>&sections,
 		bool unprotect_flash, bool full_erase)
 {
 	bool ret = true;
@@ -202,7 +202,7 @@ bool SPIInterface::write(const std::vector<FlashDataSection>&sections,
 	return ret && ret2;
 }
 
-bool SPIInterface::write(uint32_t offset, const uint8_t *data, uint32_t len,
+bool FlashInterface::write(uint32_t offset, const uint8_t *data, uint32_t len,
 		bool unprotect_flash)
 {
 	bool ret = true;
@@ -227,7 +227,7 @@ bool SPIInterface::write(uint32_t offset, const uint8_t *data, uint32_t len,
 	return ret && ret2;
 }
 
-bool SPIInterface::read(uint8_t *data, uint32_t base_addr, uint32_t len)
+bool FlashInterface::read(uint8_t *data, uint32_t base_addr, uint32_t len)
 {
 	bool ret = true;
 	/* enable SPI flash access */
@@ -246,7 +246,7 @@ bool SPIInterface::read(uint8_t *data, uint32_t base_addr, uint32_t len)
 	return post_flash_access() && ret == 0;
 }
 
-bool SPIInterface::dump(uint32_t base_addr, uint32_t len)
+bool FlashInterface::dump(uint32_t base_addr, uint32_t len)
 {
 	bool ret = true;
 	/* enable SPI flash access */

src/flashInterface.hpp

@@ -3,8 +3,8 @@
  * Copyright (C) 2020 Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
  */
 
-#ifndef SRC_SPIINTERFACE_HPP_
-#define SRC_SPIINTERFACE_HPP_
+#ifndef SRC_FLASHINTERFACE_HPP_
+#define SRC_FLASHINTERFACE_HPP_
 
 #include <cstdint>
 #include <iostream>
@@ -12,21 +12,21 @@
 #include <vector>
 
 /*!
- * \file SPIInterface.hpp
- * \class SPIInterface
+ * \file FlashInterface.hpp
+ * \class FlashInterface
  * \brief abstract class between spi implementation and converters
  * \author Gwenhael Goavec-Merou
  */
 
 class FlashDataSection;
 
-class SPIInterface {
+class FlashInterface {
  public:
-	SPIInterface();
-	SPIInterface(const std::string &filename, int8_t verbose,
+	FlashInterface();
+	FlashInterface(const std::string &filename, int8_t verbose,
 			uint32_t rd_burst, bool verify, bool skip_load_bridge = false,
 			bool skip_reset = false);
-	virtual ~SPIInterface() {}
+	virtual ~FlashInterface() {}
 
 	bool detect_flash();
 	bool protect_flash(uint32_t len);
@@ -131,4 +131,4 @@ class SPIInterface {
  private:
 	std::string _spif_filename;
 };
-#endif  // SRC_SPIINTERFACE_HPP_
+#endif  // SRC_FLASHINTERFACE_HPP_

src/fsparser.cpp

@@ -11,9 +11,8 @@
 #include "fsparser.hpp"
 #include "display.hpp"
 
-using namespace std;
 
-FsParser::FsParser(const string &filename, bool reverseByte, bool verbose):
+FsParser::FsParser(const std::string &filename, bool reverseByte, bool verbose):
 			ConfigBitstreamParser(filename, ConfigBitstreamParser::ASCII_MODE,
 			verbose), _reverseByte(reverseByte), _end_header(0), _checksum(0),
 			_8Zero(0xff), _4Zero(0xff), _2Zero(0xff),
@@ -36,11 +35,11 @@ uint64_t FsParser::bitToVal(const char *bits, int len)
 int FsParser::parseHeader()
 {
 	int ret = 0;
-	string buffer;
+	std::string buffer;
 	int line_index = 0;
 	bool in_header = true;
 
-	istringstream lineStream(_raw_data);
+	std::istringstream lineStream(_raw_data);
 
 	while (std::getline(lineStream, buffer, '\n')) {
 		ret += buffer.size() + 1;
@@ -69,12 +68,12 @@ int FsParser::parseHeader()
 			case 0x06: /* idCode */
 				_idcode = (0xffffffff & val);
 				__buf_valid_bytes = snprintf(__buf, 9, "%08x", _idcode);
-				_hdr["idcode"] = string(__buf, __buf_valid_bytes);
+				_hdr["idcode"] = std::string(__buf, __buf_valid_bytes);
 				_hdr["idcode"].resize(8, ' ');
 				break;
 			case 0x0A: /* user code or checksum ? */
 				__buf_valid_bytes = snprintf(__buf, 9, "%08x", (uint32_t)(0xffffffff & val));
-				_hdr["CheckSum"] = string(__buf, __buf_valid_bytes);
+				_hdr["CheckSum"] = std::string(__buf, __buf_valid_bytes);
 				_hdr["CheckSum"].resize(8, ' ');
 				break;
 			case 0x0B: /* only present when bit_security is set */
@@ -90,7 +89,7 @@ int FsParser::parseHeader()
 				} else {
 					rate = 2500000; // default
 				}
-				_hdr["LoadingRate"] = to_string(rate);
+				_hdr["LoadingRate"] = std::to_string(rate);
 				_compressed = (val >> 13) & 1;
 				_hdr["Compress"] = (_compressed) ? "ON" : "OFF";
 				_hdr["ProgramDoneBypass"] = ((val >> 12) & 1) ? "ON" : "OFF";
@@ -112,7 +111,7 @@ int FsParser::parseHeader()
 				uint32_t flash_addr;
 				flash_addr = val & 0xffffffff;
 				__buf_valid_bytes = snprintf(__buf, 9, "%08x", flash_addr);
-				_hdr["SPIAddr"] = string(__buf, __buf_valid_bytes);
+				_hdr["SPIAddr"] = std::string(__buf, __buf_valid_bytes);
 				_hdr["SPIAddr"].resize(8, ' ');
 
 				break;
@@ -123,7 +122,7 @@ int FsParser::parseHeader()
 				crc = 0x01 & (val >> 23);
 
 				_hdr["CRCCheck"] = (crc) ? "ON" : "OFF";
-				_hdr["ConfDataLength"] = to_string(0xffff & val);
+				_hdr["ConfDataLength"] = std::to_string(0xffff & val);
 				_end_header = line_index;
 				break;
 		}
@@ -136,7 +135,7 @@ int FsParser::parseHeader()
 
 int FsParser::parse()
 {
-	string tmp;
+	std::string tmp;
 	/* GW1N-6 and GW1N(R)-9 are address length not multiple of byte */
 	int padding = 0;
 
@@ -171,7 +170,7 @@ int FsParser::parse()
 			nb_line = 274;
 			break;
 		case 0x0100181b: /* GW1N-2    */
-		case 0x1100181b: /* GW1N-2B   */
+		case 0x0120681b: /* GW1N(R/Z)-2/2B/2C, GW1N-1P5/1P5B/1P5C */
 		case 0x0300081b: /* GW1NS-2   */
 		case 0x0300181b: /* GW1NSx-2C */
 		case 0x0100981b: /* GW1NSR-4C (warning! not documented) */
@@ -236,17 +235,17 @@ int FsParser::parse()
 		drop += 2 * 8;
 	for (auto &&ll = _lstRawData.begin();
 			ll != _lstRawData.end(); ll++) {
-		string l = "";
-		string line = *ll;
+		std::string l = "";
+		std::string line = *ll;
 		if (_compressed) {
 			for (size_t i = 0; i < line.size()-drop; i+=8) {
 				uint8_t c = bitToVal((const char *)&line[i], 8);
 				if (c == _8Zero)
-					l += string(8*8, '0');
+					l += std::string(8*8, '0');
 				else if (c == _4Zero)
-					l += string(4*8, '0');
+					l += std::string(4*8, '0');
 				else if (c == _2Zero)
-					l += string(2*8, '0');
+					l += std::string(2*8, '0');
 				else
 					l += line.substr(i, 8);
 			}

src/ftdiJtagBitbang.cpp

@@ -17,7 +17,6 @@
 #include "ftdiJtagBitbang.hpp"
 #include "ftdipp_mpsse.hpp"
 
-using namespace std;
 
 #define DEBUG 0
 
@@ -31,7 +30,7 @@ using namespace std;
 #endif
 
 FtdiJtagBitBang::FtdiJtagBitBang(const cable_t &cable,
-			const jtag_pins_conf_t *pin_conf, const string &dev,
+			const jtag_pins_conf_t *pin_conf, const std::string &dev,
 			const std::string &serial, uint32_t clkHZ, int8_t verbose):
 			FTDIpp_MPSSE(cable, dev, serial, clkHZ, verbose), _bitmode(0),
 			_curr_tms(0), _rx_size(0)

src/ftdiJtagMPSSE.cpp

@@ -17,7 +17,6 @@
 #include "ftdiJtagMPSSE.hpp"
 #include "ftdipp_mpsse.hpp"
 
-using namespace std;
 
 #define DEBUG 0
 
@@ -31,7 +30,7 @@ using namespace std;
 #endif
 
 FtdiJtagMPSSE::FtdiJtagMPSSE(const cable_t &cable,
-			const string &dev, const string &serial, uint32_t clkHZ,
+			const std::string &dev, const std::string &serial, uint32_t clkHZ,
 			bool invert_read_edge, int8_t verbose):
 			FTDIpp_MPSSE(cable, dev, serial, clkHZ, verbose), _ch552WA(false),
 			_cmd8EWA(false),

src/ftdipp_mpsse.cpp

@@ -20,13 +20,12 @@
 #include "display.hpp"
 #include "ftdipp_mpsse.hpp"
 
-using namespace std;
 
 //#define DEBUG 1
 #define display(...) \
 	do { if (_verbose) fprintf(stdout, __VA_ARGS__);}while(0)
 
-FTDIpp_MPSSE::FTDIpp_MPSSE(const cable_t &cable, const string &dev,
+FTDIpp_MPSSE::FTDIpp_MPSSE(const cable_t &cable, const std::string &dev,
 				const std::string &serial, uint32_t clkHZ, int8_t verbose):
 				_verbose(verbose > 2), _cable(cable.config), _vid(0),
 				_pid(0), _index(0),
@@ -41,7 +40,7 @@ FTDIpp_MPSSE::FTDIpp_MPSSE(const cable_t &cable, const string &dev,
 	strcpy(_product, "");
 	if (!dev.empty()) {
 		if (!search_with_dev(dev)) {
-			cerr << "No cable found" << endl;
+			std::cerr << "No cable found" << std::endl;
 			throw std::runtime_error("No cable found");
 		}
 	} else {
@@ -159,7 +158,7 @@ void FTDIpp_MPSSE::open_device(const std::string &serial, unsigned int baudrate)
 
 	_ftdi = ftdi_new();
 	if (_ftdi == NULL) {
-		cout << "open_device: failed to initialize ftdi" << endl;
+		std::cout << "open_device: failed to initialize ftdi" << std::endl;
 		throw std::runtime_error("open_device: failed to initialize ftdi");
 	}
 #if (ATTACH_KERNEL && (FTDI_VERSION >= 105))
@@ -277,14 +276,14 @@ int FTDIpp_MPSSE::init(unsigned char latency, unsigned char bitmask_mode,
 	if ((ret = ftdi_usb_reset(_ftdi)) < 0) {
 		printError("FTDI reset error with code " +
 				std::to_string(ret) + " (" +
-				string(ftdi_get_error_string(_ftdi)) + ")");
+				std::string(ftdi_get_error_string(_ftdi)) + ")");
 		return ret;
 	}
 
 	if ((ret = ftdi_set_bitmode(_ftdi, 0x00, BITMODE_RESET)) < 0) {
 		printError("FTDI bitmode reset error with code " +
 				std::to_string(ret) + " (" +
-				string(ftdi_get_error_string(_ftdi)) + ")");
+				std::string(ftdi_get_error_string(_ftdi)) + ")");
 		return ret;
 	}
 
@@ -295,27 +294,27 @@ int FTDIpp_MPSSE::init(unsigned char latency, unsigned char bitmask_mode,
 #endif
 		printError("FTDI flush buffer error with code " +
 				std::to_string(ret) + " (" +
-				string(ftdi_get_error_string(_ftdi)) + ")");
+				std::string(ftdi_get_error_string(_ftdi)) + ")");
 		return ret;
 	}
 	if ((ret = ftdi_set_latency_timer(_ftdi, latency)) < 0) {
 		printError("FTDI set latency timer error with code " +
 				std::to_string(ret) + " (" +
-				string(ftdi_get_error_string(_ftdi)) + ")");
+				std::string(ftdi_get_error_string(_ftdi)) + ")");
 		return ret;
 	}
 	/* enable mode */
 	if ((ret = ftdi_set_bitmode(_ftdi, bitmask_mode, mode)) < 0) {
 		printError("FTDI bitmode config error with code " +
 				std::to_string(ret) + " (" +
-				string(ftdi_get_error_string(_ftdi)) + ")");
+				std::string(ftdi_get_error_string(_ftdi)) + ")");
 		return ret;
 	}
 	if (mode == BITMODE_MPSSE) {
 		unsigned char buf1[5];
 		if ((ret = ftdi_read_data(_ftdi, buf1, 5)) < 0) {
 			printError("fail to read data " +
-					string(ftdi_get_error_string(_ftdi)));
+					std::string(ftdi_get_error_string(_ftdi)));
 			return -1;
 		}
 
@@ -344,24 +343,24 @@ int FTDIpp_MPSSE::init(unsigned char latency, unsigned char bitmask_mode,
 		}
 		if ((ret = mpsse_store(buf_cmd, to_wr)) < 0) {
 			printError("fail to store buffer " +
-					string(ftdi_get_error_string(_ftdi)));
+					std::string(ftdi_get_error_string(_ftdi)));
 			return -1;
 		}
 		if (mpsse_write() < 0) {
 			printError("fail to write buffer " +
-					string(ftdi_get_error_string(_ftdi)));
+					std::string(ftdi_get_error_string(_ftdi)));
 			return -1;
 		}
 	}
 
 	if (ftdi_read_data_set_chunksize(_ftdi, _buffer_size) < 0) {
 		printError("fail to set read chunk size: " +
-				string(ftdi_get_error_string(_ftdi)));
+				std::string(ftdi_get_error_string(_ftdi)));
 		return -1;
 	}
 	if (ftdi_write_data_set_chunksize(_ftdi, _buffer_size) < 0) {
 		printError("fail to set write chunk size: " +
-				string(ftdi_get_error_string(_ftdi)));
+				std::string(ftdi_get_error_string(_ftdi)));
 		return -1;
 	}
 
@@ -382,7 +381,7 @@ int FTDIpp_MPSSE::setClkFreq(uint32_t clkHZ)
 #else
 	if ((ret = ftdi_tcioflush(_ftdi)) < 0) {
 		printError("selfClkFreq: fail to flush buffers: " +
-				string(ftdi_get_error_string(_ftdi)));
+				std::string(ftdi_get_error_string(_ftdi)));
 		return ret;
 	}
 
@@ -402,7 +401,7 @@ int FTDIpp_MPSSE::setClkFreq(uint32_t clkHZ)
 	}
 
 	if (_clkHZ > base_freq / 2) {
-		printWarn("Jtag probe limited to %d MHz" + std::to_string(base_freq / 2));
+		printWarn("Jtag probe limited to " + std::to_string(base_freq / 2) + " Hz");
 		_clkHZ = base_freq / 2;
 	}
 
@@ -421,7 +420,7 @@ int FTDIpp_MPSSE::setClkFreq(uint32_t clkHZ)
 		__buf_valid_bytes = snprintf(__buf, 10, "%3.2fKHz", clkHZ / 1e3);
 	else
 		__buf_valid_bytes = snprintf(__buf, 10, "%3u.00Hz", clkHZ);
-	string clkHZ_str(__buf, __buf_valid_bytes);
+	std::string clkHZ_str(__buf, __buf_valid_bytes);
 	clkHZ_str.resize(10, ' ');
 	if (real_freq >= 1e6)
 		__buf_valid_bytes = snprintf(__buf, 9, "%2.2fMHz", real_freq / 1e6);
@@ -429,7 +428,7 @@ int FTDIpp_MPSSE::setClkFreq(uint32_t clkHZ)
 		__buf_valid_bytes = snprintf(__buf, 10, "%3.2fKHz", real_freq / 1e3);
 	else
 		__buf_valid_bytes = snprintf(__buf, 10, "%3.2fHz", real_freq);
-	string real_freq_str(__buf, __buf_valid_bytes);
+	std::string real_freq_str(__buf, __buf_valid_bytes);
 	real_freq_str.resize(10, ' ');
 
 
@@ -453,13 +452,13 @@ int FTDIpp_MPSSE::setClkFreq(uint32_t clkHZ)
 	}
 	if ((ret = ftdi_read_data(_ftdi, buffer, 4)) < 0) {
 		printError("selfClkFreq: fail to read: " +
-				string(ftdi_get_error_string(_ftdi)));
+				std::string(ftdi_get_error_string(_ftdi)));
 		return ret;
 	}
 
 	_clkHZ = real_freq;
 
-	return real_freq;
+	return (int)real_freq;
 }
 
 int FTDIpp_MPSSE::mpsse_store(unsigned char c)
@@ -478,7 +477,7 @@ int FTDIpp_MPSSE::mpsse_store(unsigned char *buff, int len)
 			if ((ret = mpsse_write()) < 0) {
 				printError("mpsse_store: fails to first flush " +
 						std::to_string(ret) + " " +
-						string(ftdi_get_error_string(_ftdi)));
+						std::string(ftdi_get_error_string(_ftdi)));
 				return ret;
 			}
 		}
@@ -493,7 +492,7 @@ int FTDIpp_MPSSE::mpsse_store(unsigned char *buff, int len)
 			if ((ret = mpsse_write()) < 0) {
 				printError("mpsse_store: fails to first flush " +
 						std::to_string(ret) + " " +
-						string(ftdi_get_error_string(_ftdi)));
+						std::string(ftdi_get_error_string(_ftdi)));
 				return ret;
 			}
 			ptr += store_size;
@@ -523,7 +522,7 @@ int FTDIpp_MPSSE::mpsse_write()
 	if ((ret = ftdi_write_data(_ftdi, _buffer, _num)) != _num) {
 		printError("mpsse_write: fail to write with error " +
 				std::to_string(ret) + " (" +
-				string(ftdi_get_error_string(_ftdi)) + ")");
+				std::string(ftdi_get_error_string(_ftdi)) + ")");
 		return ret;
 	}
 
@@ -541,14 +540,14 @@ int FTDIpp_MPSSE::mpsse_read(unsigned char *rx_buff, int len)
 	if ((ret = mpsse_store(SEND_IMMEDIATE)) < 0) {
 		printError("mpsse_read: fail to store with error: " +
 				std::to_string(ret) + " (" +
-				string(ftdi_get_error_string(_ftdi)) + ")");
+				std::string(ftdi_get_error_string(_ftdi)) + ")");
 		return ret;
 	}
 
 	if ((ret = mpsse_write()) < 0) {
 		printError("mpsse_read: fail to flush buffer with error: " +
 				std::to_string(ret) + " (" +
-				string(ftdi_get_error_string(_ftdi)) + ")");
+				std::string(ftdi_get_error_string(_ftdi)) + ")");
 		return ret;
 	}
 
@@ -710,7 +709,7 @@ bool FTDIpp_MPSSE::gpio_write(uint8_t gpio, bool low_pins)
 	else
 		_cable.bit_high_val = gpio;
 
-	if (__gpio_write(low_pins))
+	if (!__gpio_write(low_pins))
 		return false;
 	return (mpsse_write() >= 0);
 }
@@ -825,7 +824,7 @@ unsigned int FTDIpp_MPSSE::udevstufftoint(const char *udevstring, int base)
 	return (ret);
 }
 
-bool FTDIpp_MPSSE::search_with_dev(const string &device)
+bool FTDIpp_MPSSE::search_with_dev(const std::string &device)
 {
 	struct udev *udev;
 	struct udev_device *dev, *usbdeviceparent;
@@ -899,7 +898,7 @@ unsigned int FTDIpp_MPSSE::udevstufftoint(const char *udevstring, int base)
 	(void)base;
 	return 0;
 }
-bool FTDIpp_MPSSE::search_with_dev(const string &device)
+bool FTDIpp_MPSSE::search_with_dev(const std::string &device)
 {
 	(void)device;
 	return false;

src/ftdispi.cpp

@@ -243,7 +243,7 @@ int FtdiSpi::ft2232_spi_wr_and_rd(//struct ftdi_spi *spi,
 	return 0;
 }
 
-/* method spiInterface::spi_put */
+/* method flashInterface::spi_put */
 int FtdiSpi::spi_put(uint8_t cmd, const uint8_t *tx, uint8_t *rx, uint32_t len)
 {
 	uint32_t xfer_len = len + 1;
@@ -266,13 +266,13 @@ int FtdiSpi::spi_put(uint8_t cmd, const uint8_t *tx, uint8_t *rx, uint32_t len)
 	return 0;
 }
 
-/* method spiInterface::spi_put */
+/* method flashInterface::spi_put */
 int FtdiSpi::spi_put(const uint8_t *tx, uint8_t *rx, uint32_t len)
 {
 	return ft2232_spi_wr_and_rd(len, tx, rx);
 }
 
-/* method spiInterface::spi_wait
+/* method flashInterface::spi_wait
  */
 int FtdiSpi::spi_wait(uint8_t cmd, uint8_t mask, uint8_t cond,
 			uint32_t timeout, bool verbose)

src/ftdispi.hpp

@@ -13,9 +13,9 @@
 #include "board.hpp"
 #include "cable.hpp"
 #include "ftdipp_mpsse.hpp"
-#include "spiInterface.hpp"
+#include "flashInterface.hpp"
 
-class FtdiSpi : public FTDIpp_MPSSE, SPIInterface {
+class FtdiSpi : public FTDIpp_MPSSE, FlashInterface {
  public:
 	enum SPI_endianness {
 		SPI_MSB_FIRST = 0,

src/fx2_ll.cpp

@@ -15,14 +15,13 @@
 #include "fx2_ll.hpp"
 #include "ihexParser.hpp"
 
-using namespace std;
 
 #define FX2_FIRM_LOAD          0xA0
 #define FX2_GCR_CPUCS          0xe600
 #define FX2_GCR_CPUCS_8051_RES (1 << 0)
 
 FX2_ll::FX2_ll(uint16_t uninit_vid, uint16_t uninit_pid,
-		uint16_t vid, uint16_t pid, const string &firmware_path)
+		uint16_t vid, uint16_t pid, const std::string &firmware_path)
 {
 	int ret;
 	bool reenum = false;
@@ -168,7 +167,7 @@ int FX2_ll::read_ctrl(uint8_t bRequest, uint16_t wValue,
  * and 64B by 64B
  * set CPU in reset state before and restart after
  */
-bool FX2_ll::load_firmware(string firmware_path)
+bool FX2_ll::load_firmware(std::string firmware_path)
 {
 	IhexParser ihex(firmware_path, false, true);
 	ihex.parse();
@@ -177,7 +176,7 @@ bool FX2_ll::load_firmware(string firmware_path)
 	if (!reset(1))
 		return false;
 	/* load */
-	vector<IhexParser::data_line_t> data = ihex.getDataArray();
+	std::vector<IhexParser::data_line_t> data = ihex.getDataArray();
 	for (size_t i = 0; i < data.size(); i++) {
 		IhexParser::data_line_t data_line = data[i];
 

src/gowin.cpp

@@ -21,7 +21,6 @@
 #include "rawParser.hpp"
 #include "spiFlash.hpp"
 
-using namespace std;
 
 #ifdef STATUS_TIMEOUT
 // defined in the Windows headers included by libftdi.h
@@ -75,11 +74,11 @@ using namespace std;
 #define BSCAN_GW1NSR_4C_SPI_DO  (1 << 1)
 #define BSCAN_GW1NSR_4C_SPI_MSK (1 << 0)
 
-Gowin::Gowin(Jtag *jtag, const string filename, const string &file_type, std::string mcufw,
+Gowin::Gowin(Jtag *jtag, const std::string filename, const std::string &file_type, std::string mcufw,
 		Device::prog_type_t prg_type, bool external_flash,
 		bool verify, int8_t verbose, const std::string& user_flash)
 	: Device(jtag, filename, file_type, verify, verbose),
-		SPIInterface(filename, verbose, 0, verify, false, false),
+		FlashInterface(filename, verbose, 0, verify, false, false),
 		_idcode(0), is_gw1n1(false), is_gw1n4(false), is_gw1n9(false),
 		is_gw2a(false), is_gw5a(false),
 		_external_flash(external_flash),
@@ -128,7 +127,7 @@ Gowin::Gowin(Jtag *jtag, const string filename, const string &file_type, std::st
 
 		/* for fs file check match with targeted device */
 		if (_file_extension == "fs") {
-			string idcode_str = _fs->getHeaderVal("idcode");
+			std::string idcode_str = _fs->getHeaderVal("idcode");
 			uint32_t fs_idcode = std::stoul(idcode_str.c_str(), NULL, 16);
 			if ((fs_idcode & 0x0fffffff) != _idcode) {
 				char mess[256];
@@ -437,7 +436,7 @@ void Gowin::checkCRC()
 	 * is used, try to compare with this value
 	 */
 	try {
-		string hdr = _fs->getHeaderVal("checkSum");
+		std::string hdr = _fs->getHeaderVal("checkSum");
 		if (!hdr.empty()) {
 			if (ucode == strtol(hdr.c_str(), NULL, 16))
 				goto success;

src/gowin.hpp

@@ -16,9 +16,9 @@
 #include "device.hpp"
 #include "jtag.hpp"
 #include "jtagInterface.hpp"
-#include "spiInterface.hpp"
+#include "flashInterface.hpp"
 
-class Gowin: public Device, SPIInterface {
+class Gowin: public Device, FlashInterface {
 	public:
 		Gowin(Jtag *jtag, std::string filename, const std::string &file_type,
 				std::string mcufw, Device::prog_type_t prg_type,
@@ -32,18 +32,18 @@ class Gowin: public Device, SPIInterface {
 		/* spi interface */
 		bool detect_flash() override {
 			if (is_gw5a || is_gw2a)
-				return SPIInterface::detect_flash();
+				return FlashInterface::detect_flash();
 			printError("detect flash not supported"); return false;}
 		bool protect_flash(uint32_t len) override {
 			(void) len;
 			printError("protect flash not supported"); return false;}
 		bool unprotect_flash() override {
 			if (is_gw5a)
-				return SPIInterface::unprotect_flash();
+				return FlashInterface::unprotect_flash();
 			printError("unprotect flash not supported"); return false;}
 		bool bulk_erase_flash() override {
 			if (is_gw5a || is_gw2a)
-				return SPIInterface::bulk_erase_flash();
+				return FlashInterface::bulk_erase_flash();
 			printError("bulk erase flash not supported"); return false;}
 		bool dumpFlash(uint32_t base_addr, uint32_t len) override;
 		int spi_put(uint8_t cmd, const uint8_t *tx, uint8_t *rx,

src/ice40.cpp

@@ -136,7 +136,7 @@ void Ice40::program(unsigned int offset, bool unprotect_flash)
 
 	_spi->gpio_clear(_rst_pin);
 
-	SPIFlash flash(reinterpret_cast<SPIInterface *>(_spi), unprotect_flash,
+	SPIFlash flash(reinterpret_cast<FlashInterface *>(_spi), unprotect_flash,
 			_verbose_level);
 
 	flash.erase_and_prog(offset, data, length);
@@ -148,13 +148,32 @@ void Ice40::program(unsigned int offset, bool unprotect_flash)
 	post_flash_access();
 }
 
+bool Ice40::detect_flash()
+{
+	/* prepare SPI access */
+	prepare_flash_access();
+	printInfo("Read Flash ", false);
+	try {
+		SPIFlash flash(reinterpret_cast<FlashInterface *>(_spi), false, _verbose_level);
+		flash.read_id();
+		flash.display_status_reg();
+	} catch (std::exception &e) {
+		printError("Fail");
+		printError(std::string(e.what()));
+		return false;
+	}
+
+	/* release SPI access / reload */
+	return post_flash_access();
+}
+
 bool Ice40::dumpFlash(uint32_t base_addr, uint32_t len)
 {
 	/* prepare SPI access */
 	prepare_flash_access();
 	printInfo("Read Flash ", false);
 	try {
-		SPIFlash flash(reinterpret_cast<SPIInterface *>(_spi), false, _verbose_level);
+		SPIFlash flash(reinterpret_cast<FlashInterface *>(_spi), false, _verbose_level);
 		flash.reset();
 		flash.power_up();
 		flash.dump(_filename, base_addr, len);
@@ -174,7 +193,7 @@ bool Ice40::protect_flash(uint32_t len)
 	prepare_flash_access();
 	/* acess */
 	try {
-		SPIFlash flash(reinterpret_cast<SPIInterface *>(_spi), false, _verbose_level);
+		SPIFlash flash(reinterpret_cast<FlashInterface *>(_spi), false, _verbose_level);
 		/* configure flash protection */
 		if (flash.enable_protection(len) == -1)
 			return false;
@@ -194,7 +213,7 @@ bool Ice40::unprotect_flash()
 	prepare_flash_access();
 	/* acess */
 	try {
-		SPIFlash flash(reinterpret_cast<SPIInterface *>(_spi), false, _verbose_level);
+		SPIFlash flash(reinterpret_cast<FlashInterface *>(_spi), false, _verbose_level);
 		/* configure flash protection */
 		if (flash.disable_protection() == -1)
 			return false;
@@ -214,7 +233,7 @@ bool Ice40::bulk_erase_flash()
 	prepare_flash_access();
 	/* acess */
 	try {
-		SPIFlash flash(reinterpret_cast<SPIInterface *>(_spi), false, _verbose_level);
+		SPIFlash flash(reinterpret_cast<FlashInterface *>(_spi), false, _verbose_level);
 		/* bulk erase flash */
 		if (flash.bulk_erase() == -1)
 			return false;

src/ice40.hpp

@@ -10,9 +10,9 @@
 
 #include "device.hpp"
 #include "ftdispi.hpp"
-#include "spiInterface.hpp"
+#include "flashInterface.hpp"
 
-class Ice40: public Device, SPIInterface {
+class Ice40: public Device, FlashInterface {
 	public:
 		Ice40(FtdiSpi *spi, const std::string &filename,
 			const std::string &file_type,
@@ -24,9 +24,7 @@ class Ice40: public Device, SPIInterface {
 		void program(unsigned int offset, bool unprotect_flash) override;
 		bool program_cram(const uint8_t *data, uint32_t length);
 		bool dumpFlash(uint32_t base_addr, uint32_t len) override;
-		bool detect_flash() override {
-			return SPIInterface::detect_flash();
-		}
+		bool detect_flash() override;
 		bool protect_flash(uint32_t len) override;
 		bool unprotect_flash() override;
 		bool bulk_erase_flash() override;

src/ihexParser.cpp

@@ -11,7 +11,6 @@
 #include "display.hpp"
 #include "ihexParser.hpp"
 
-using namespace std;
 
 /* line format
  * :LLAAAATTHH...HHCC
@@ -34,7 +33,7 @@ using namespace std;
 #define TYPE_BASE 7
 #define DATA_BASE 9
 
-IhexParser::IhexParser(const string &filename, bool reverseOrder, bool verbose):
+IhexParser::IhexParser(const std::string &filename, bool reverseOrder, bool verbose):
 		ConfigBitstreamParser(filename, ConfigBitstreamParser::ASCII_MODE,
 		verbose),
 		_base_addr(0), _reverseOrder(reverseOrder)
@@ -42,8 +41,8 @@ IhexParser::IhexParser(const string &filename, bool reverseOrder, bool verbose):
 
 int IhexParser::parse()
 {
-	string str;
-	istringstream lineStream(_raw_data);
+	std::string str;
+	std::istringstream lineStream(_raw_data);
 
 	uint16_t next_addr = 0;
 	bool is_first = true;

src/jedParser.cpp

@@ -29,9 +29,8 @@
  * - be less lattice compliant
  */
 
-using namespace std;
 
-JedParser::JedParser(const string &filename, bool verbose):
+JedParser::JedParser(const std::string &filename, bool verbose):
 	ConfigBitstreamParser(filename, ConfigBitstreamParser::BIN_MODE, verbose),
 	_fuse_count(0), _pin_count(0), _max_vect_test(0),
 	_featuresRow(0), _feabits(0), _has_feabits(false), _checksum(0),
@@ -46,9 +45,9 @@ JedParser::JedParser(const string &filename, bool verbose):
  * check if last char is '\r'
  * \return the line without [\r]\n
  */
-string JedParser::readline()
+std::string JedParser::readline()
 {
-	string buffer;
+	std::string buffer;
 	std::getline(_ss, buffer, '\n');
 	if (!buffer.empty()) {
 		/* if '\r' is present -> drop */
@@ -60,10 +59,10 @@ string JedParser::readline()
 
 /* fill a vector with consecutive lines until '*'
  */
-vector<string> JedParser::readJEDLine()
+std::vector<std::string> JedParser::readJEDLine()
 {
-	string buffer;
-	vector<string> lines;
+	std::string buffer;
+	std::vector<std::string> lines;
 	bool inLine = true;
 
 	do {
@@ -83,10 +82,10 @@ vector<string> JedParser::readJEDLine()
 /* convert one serie ASCII 1/0 to a vector of
  * unsigned char
  */
-void JedParser::buildDataArray(const string &content, struct jed_data &jed)
+void JedParser::buildDataArray(const std::string &content, struct jed_data &jed)
 {
 	size_t data_len = content.size();
-	string tmp_buff;
+	std::string tmp_buff;
 	fuselist += content;
 	for (size_t i = 0; i < content.size(); i+=8) {
 		uint8_t data = 0;
@@ -104,11 +103,11 @@ void JedParser::buildDataArray(const string &content, struct jed_data &jed)
  * unsigned char
  * string must be up to 8 bits
  */
-void JedParser::buildDataArray(const vector<string> &content,
+void JedParser::buildDataArray(const std::vector<std::string> &content,
 		struct jed_data &jed)
 {
 	size_t data_len = 0;
-	string tmp_buff;
+	std::string tmp_buff;
 	for (size_t i = 0; i < content.size(); i++) {
 		uint8_t data = 0;
 		data_len += content[i].size();
@@ -183,20 +182,20 @@ void JedParser::displayHeader()
  * 1: Exxxx\n : feature Row
  * 2: yyyy*\n : feabits
  */
-void JedParser::parseEField(const vector<string> &content)
+void JedParser::parseEField(const std::vector<std::string> &content)
 {
 	_featuresRow = 0;
-	string featuresRow = content[0].substr(1);
+	std::string featuresRow = content[0].substr(1);
 	for (size_t i = 0; i < featuresRow.size(); ++i)
 		_featuresRow |= (uint64_t(featuresRow[i] - '0') << i);
-	string feabits = content[1];
+	std::string feabits = content[1];
 	_feabits = 0;
 	for (size_t i = 0; i < feabits.size(); i++) {
 		_feabits |= ((feabits[i] - '0') << i);
 	}
 }
 
-void JedParser::parseLField(const vector<string> &content)
+void JedParser::parseLField(const std::vector<std::string> &content)
 {
 	int start_offset;
 	sscanf(content[0].substr(1).c_str(), "%d", &start_offset);
@@ -216,8 +215,8 @@ void JedParser::parseLField(const vector<string> &content)
 	} else {
 		// search space
 		std::istringstream iss(content[0]);
-		vector<string> myList((std::istream_iterator<string>(iss)),
-		std::istream_iterator<string>());
+		std::vector<std::string> myList((std::istream_iterator<std::string>(iss)),
+		std::istream_iterator<std::string>());
 
 		myList.erase(myList.begin());
 
@@ -228,11 +227,11 @@ void JedParser::parseLField(const vector<string> &content)
 
 int JedParser::parse()
 {
-	string previousNote;
+	std::string previousNote;
 
 	_ss.str(_raw_data);
 
-	string content;
+	std::string content;
 
 	/* JED file may have some ASCII line before STX (0x02)
 	 * read until STX or EOF
@@ -261,7 +260,7 @@ int JedParser::parse()
 	/* read full content
 	 * JED file end fix ETX (0x03) + file checksum + \n
 	 */
-	std::vector<string>lines;
+	std::vector<std::string>lines;
 	int first_pos;
 	char instr;
 	do {
@@ -297,7 +296,7 @@ int JedParser::parse()
 					_max_vect_test = count;
 					break;
 				default:
-					cerr << "Error for 'Q' unknown qualifier " << lines[0] << endl;
+					std::cerr << "Error for 'Q' unknown qualifier " << lines[0] << std::endl;
 					return EXIT_FAILURE;
 			}
 			break;
@@ -316,7 +315,7 @@ int JedParser::parse()
 			break;
 		case 0x03:
 			if (_verbose)
-				cout << "end" << endl;
+				std::cout << "end" << std::endl;
 			break;
 		case 'E':
 			parseEField(lines);
@@ -344,7 +343,7 @@ int JedParser::parse()
 			break;
 		default:
 			printf("inconnu\n");
-			cout << lines[0]<< endl;
+			std::cout << lines[0]<< std::endl;
 			return EXIT_FAILURE;
 		}
 	} while (instr != 0x03);

src/jlink.cpp

@@ -22,7 +22,6 @@
 #define VID 0x1366
 #define PID 0x0105
 
-using namespace std;
 
 // convert 2Byte to 1 short
 #define CONV_16B(_val) ((((uint16_t) _val[0]) << 0) | \
@@ -458,13 +457,13 @@ bool Jlink::write_device(const uint8_t *buf, uint32_t size)
 	return ((uint32_t)recv == size);
 }
 
-string Jlink::get_version()
+std::string Jlink::get_version()
 {
 	uint16_t length = 0;
 	cmd_read(EMU_CMD_VERSION, &length);
 	uint8_t version[length];
 	read_device(version, length);
-	return string(reinterpret_cast<char*>(version));
+	return std::string(reinterpret_cast<char*>(version));
 }
 
 int Jlink::get_hw_version()
@@ -689,7 +688,7 @@ bool Jlink::jlink_scan_usb(int vid, int pid)
 			continue;
 		if (desc.idProduct != pid) {
 			if (_verbose)
-				cerr << "skip pid" << hex << desc.idProduct << dec << endl;
+				std::cerr << "skip pid" << std::hex << desc.idProduct << std::dec << std::endl;
 			continue;
 		}
 

src/jtag.cpp

@@ -55,11 +55,10 @@
 #ifdef ENABLE_USBBLASTER
 #include "usbBlaster.hpp"
 #endif
-#ifdef ENABLE_XVC
+#ifdef ENABLE_XVC_CLIENT
 #include "xvc_client.hpp"
 #endif
 
-using namespace std;
 
 #define DEBUG 0
 
@@ -94,10 +93,10 @@ using namespace std;
  */
 
 Jtag::Jtag(const cable_t &cable, const jtag_pins_conf_t *pin_conf,
-			const string &dev,
-			const string &serial, uint32_t clkHZ, int8_t verbose,
-			const string &ip_adr, int port,
-			const bool invert_read_edge, const string &firmware_path,
+			const std::string &dev,
+			const std::string &serial, uint32_t clkHZ, int8_t verbose,
+			const std::string &ip_adr, int port,
+			const bool invert_read_edge, const std::string &firmware_path,
 			const std::map<uint32_t, misc_device> &user_misc_devs):
 			_verbose(verbose > 1),
 			_state(RUN_TEST_IDLE),
@@ -186,7 +185,7 @@ Jtag::Jtag(const cable_t &cable, const jtag_pins_conf_t *pin_conf,
 		throw std::exception();
 #endif
 	case MODE_XVC_CLIENT:
-#ifdef ENABLE_XVC
+#ifdef ENABLE_XVC_CLIENT
 		_jtag = new XVC_client(ip_adr, port, clkHZ, verbose);
 		break;
 #else
@@ -344,7 +343,7 @@ int Jtag::device_select(unsigned index)
 	 * after the selected one
 	 */
 	_dr_bits_after = device_index;
-	_dr_bits = vector<uint8_t>((std::max(_dr_bits_after, _dr_bits_before) + 7)/8, 0);
+	_dr_bits = std::vector<uint8_t>((std::max(_dr_bits_after, _dr_bits_before) + 7)/8, 0);
 
 	/* when the device is not alone and not
 	 * the first a serie of bypass must be
@@ -361,7 +360,7 @@ int Jtag::device_select(unsigned index)
 	_ir_bits_before = 0;
 	for (unsigned i = device_index + 1; i < _devices_list.size(); ++i)
 		_ir_bits_before += _irlength_list[i];
-	_ir_bits = vector<uint8_t>((std::max(_ir_bits_before, _ir_bits_after) + 7) / 8, 0xff); // BYPASS command is all-ones
+	_ir_bits = std::vector<uint8_t>((std::max(_ir_bits_before, _ir_bits_after) + 7) / 8, 0xff); // BYPASS command is all-ones
 
 	return device_index;
 }
@@ -466,7 +465,7 @@ int Jtag::shiftDR(const uint8_t *tdi, unsigned char *tdo, int drlen, tapState_t
 int Jtag::shiftIR(unsigned char tdi, int irlen, tapState_t end_state)
 {
 	if (irlen > 8) {
-		cerr << "Error: this method this direct char don't support more than 1 byte" << endl;
+		std::cerr << "Error: this method this direct char don't support more than 1 byte" << std::endl;
 		return -1;
 	}
 	return shiftIR(&tdi, NULL, irlen, end_state);

src/lattice.cpp

@@ -27,7 +27,6 @@
 #include "part.hpp"
 #include "spiFlash.hpp"
 
-using namespace std;
 
 #define ISC_ENABLE					0xC6		/* ISC_ENABLE - Offline Mode */
 #  define ISC_ENABLE_FLASH_MODE		(1 << 3)
@@ -162,10 +161,10 @@ using namespace std;
 /* Nexus */
 #define REG_NEXUS_STATUS_BSE_ERR_MASK (0x0f << 24)
 
-Lattice::Lattice(Jtag *jtag, const string filename, const string &file_type,
+Lattice::Lattice(Jtag *jtag, const std::string filename, const std::string &file_type,
 	Device::prog_type_t prg_type, std::string flash_sector, bool verify, int8_t verbose, bool skip_load_bridge, bool skip_reset):
 		Device(jtag, filename, file_type, verify, verbose),
-		SPIInterface(filename, verbose, 0, verify, skip_load_bridge, skip_reset),
+		FlashInterface(filename, verbose, 0, verify, skip_load_bridge, skip_reset),
 		_fpga_family(UNKNOWN_FAMILY), _flash_sector(LATTICE_FLASH_UNDEFINED)
 {
 	if (prg_type == Device::RD_FLASH) {
@@ -188,7 +187,7 @@ Lattice::Lattice(Jtag *jtag, const string filename, const string &file_type,
 	}
 	/* check device family */
 	uint32_t idcode = _jtag->get_target_device_id();
-	string family = fpga_list[idcode].family;
+	std::string family = fpga_list[idcode].family;
 	if (family == "MachXO2") {
 		_fpga_family = MACHXO2_FAMILY;
 	} else if (family == "MachXO3L" || family == "MachXO3LF") {
@@ -643,7 +642,7 @@ bool Lattice::program_intFlash(ConfigBitstreamParser *_cbp)
 	uint16_t ufm_start = 0;
 	uint16_t feabits;
 	uint8_t eraseMode = 0;
-	vector<string> ufm_data, cfg_data, ebr_data;
+	std::vector<std::string> ufm_data, cfg_data, ebr_data;
 
 	/* bypass */
 	wr_rd(0xff, NULL, 0, NULL, 0);
@@ -663,7 +662,7 @@ bool Lattice::program_intFlash(ConfigBitstreamParser *_cbp)
 	if (_file_extension == "jed") {
 		JedParser *_jed = reinterpret_cast<JedParser *>(_cbp);
 		for (size_t i = 0; i < _jed->nb_section(); i++) {
-			string note = _jed->noteForSection(i);
+			std::string note = _jed->noteForSection(i);
 			if (note == "TAG DATA") {
 				eraseMode |= FLASH_ERASE_UFM;
 				ufm_data = _jed->data_for_section(i);
@@ -839,7 +838,7 @@ bool Lattice::post_flash_access()
 			_skip_reset = true;  // avoid infinite loop
 			/* read flash 0 -> 255 */
 			uint8_t buffer[256];
-			ret = SPIInterface::read(buffer, 0, 256);
+			ret = FlashInterface::read(buffer, 0, 256);
 			loadConfiguration(); // reset again
 
 			/* read ok? check if everything == 0xff */
@@ -988,9 +987,9 @@ bool Lattice::program_extFlash(unsigned int offset, bool unprotect_flash)
 
 	if (_file_extension == "mcs") {
 		McsParser *parser = (McsParser *)_bit;
-		ret = SPIInterface::write(parser->getRecords(), unprotect_flash, true);
+		ret = FlashInterface::write(parser->getRecords(), unprotect_flash, true);
 	} else {
-		ret = SPIInterface::write(offset, _bit->getData(), _bit->getLength() / 8,
+		ret = FlashInterface::write(offset, _bit->getData(), _bit->getLength() / 8,
 			unprotect_flash);
 	}
 
@@ -1536,7 +1535,7 @@ bool Lattice::pollBusyFlag(bool verbose)
 		if (verbose)
 			printf("pollBusyFlag :%02x\n", rx);
 		if (timeout == 100000000){
-			cerr << "timeout" << endl;
+			std::cerr << "timeout" << std::endl;
 			return false;
 		} else {
 			timeout++;
@@ -1586,7 +1585,7 @@ bool Lattice::flashErase(uint32_t  mask)
 	return true;
 }
 
-bool Lattice::flashProg(uint32_t start_addr, const string &name, vector<string> data)
+bool Lattice::flashProg(uint32_t start_addr, const std::string &name, std::vector<std::string> data)
 {
 	(void)start_addr;
 	ProgressBar progress("Writing " + name, data.size(), 50, _quiet);
@@ -2225,7 +2224,7 @@ bool Lattice::program_fea_MachXO3D()
 bool Lattice::program_intFlash_MachXO3D(JedParser& _jed)
 {
 	uint32_t erase_op = 0, prog_op = 0;
-	vector<string> data;
+	std::vector<std::string> data;
 	int offset, fuse_count;
 
 	/* bypass */
@@ -2251,7 +2250,7 @@ bool Lattice::program_intFlash_MachXO3D(JedParser& _jed)
 			/* if no data, nothing to do */
 			continue;
 		}
-		string note = _jed.noteForSection(i);
+		std::string note = _jed.noteForSection(i);
 		offset = _jed.offset_for_section(i) / 128;
 
 		erase_op = 0;

src/lattice.hpp

@@ -17,9 +17,9 @@
 #include "jedParser.hpp"
 #include "feaparser.hpp"
 #include "latticeBitParser.hpp"
-#include "spiInterface.hpp"
+#include "flashInterface.hpp"
 
-class Lattice: public Device, SPIInterface {
+class Lattice: public Device, FlashInterface {
 	public:
 		Lattice(Jtag *jtag, std::string filename, const std::string &file_type,
 			Device::prog_type_t prg_type, std::string flash_sector, bool verify,
@@ -34,32 +34,32 @@ class Lattice: public Device, SPIInterface {
 		bool Verify(std::vector<std::string> data, bool unlock = false,
 				uint32_t flash_area = 0);
 		bool dumpFlash(uint32_t base_addr, uint32_t len) override {
-			return SPIInterface::dump(base_addr, len);
+			return FlashInterface::dump(base_addr, len);
 		}
 
 		/*!
 		 * \brief display SPI flash ID and status register
 		 */
 		bool detect_flash() override {
-			return SPIInterface::detect_flash();
+			return FlashInterface::detect_flash();
 		}
 		/*!
 		 * \brief protect SPI flash blocks
 		 */
 		bool protect_flash(uint32_t len) override {
-			return SPIInterface::protect_flash(len);
+			return FlashInterface::protect_flash(len);
 		}
 		/*!
 		 * \brief protect SPI flash blocks
 		 */
 		bool unprotect_flash() override {
-			return SPIInterface::unprotect_flash();
+			return FlashInterface::unprotect_flash();
 		}
 		/*!
 		 * \brief bulk erase SPI flash
 		 */
 		bool bulk_erase_flash() override {
-			return SPIInterface::bulk_erase_flash();
+			return FlashInterface::bulk_erase_flash();
 		}
 
 		/* spi interface */

src/latticeBitParser.cpp

@@ -7,11 +7,11 @@
 #include <stdlib.h>
 
 #include <algorithm>
-#include <functional>
+#include <charconv>
 #include <cctype>
 #include <iostream>
 #include <locale>
-#include <sstream>
+#include <string_view>
 #include <utility>
 
 #include "display.hpp"
@@ -19,9 +19,8 @@
 
 #include "latticeBitParser.hpp"
 
-using namespace std;
 
-LatticeBitParser::LatticeBitParser(const string &filename, bool machxo2, bool ecp3,
+LatticeBitParser::LatticeBitParser(const std::string &filename, bool machxo2, bool ecp3,
 	bool verbose):
 	ConfigBitstreamParser(filename, ConfigBitstreamParser::BIN_MODE, verbose),
 	_endHeader(0), _is_machXO2(machxo2), _is_ecp3(ecp3)
@@ -31,62 +30,107 @@ LatticeBitParser::~LatticeBitParser()
 {
 }
 
+std::string LatticeBitParser::fmtIdcode(uint32_t id)
+{
+	char tmp[8], buf[9] = "00000000";
+	std::to_chars_result conv = std::to_chars(tmp, tmp + 8, id, 16);
+	char *ptr = conv.ptr;
+	memcpy(buf + (8 - (ptr - tmp)), tmp, ptr - tmp);
+	return std::string(buf, 8);
+}
+
 int LatticeBitParser::parseHeader()
 {
 	int currPos = 0;
 
+	if (_raw_data.empty()) {
+		printError("LatticeBitParser: empty bitstream");
+		return EXIT_FAILURE;
+	}
+
+	const uint32_t file_size = static_cast<uint32_t>(_raw_data.size());
+
 	/* check header signature */
 
 	/* radiant .bit start with LSCC */
 	if (_raw_data[0] == 'L') {
-		if (_raw_data.substr(0, 4) != "LSCC") {
+		if (file_size < 4) {
+			printError("LatticeBitParser: bitstream too small");
+			return EXIT_FAILURE;
+		}
+		if (_raw_data.compare(0, 4, "LSCC") != 0) {
 			printf("Wrong File %s\n", _raw_data.substr(0, 4).c_str());
 			return EXIT_FAILURE;
 		}
 		currPos += 4;
 	}
 
+	/* Check if bitstream size may store at least 0xff00 + another 0xff */
+	if (file_size <= currPos + 3) {
+		printError("LatticeBitParser: bitstream too small");
+		return EXIT_FAILURE;
+	}
+
 	/* bit file comment area start with 0xff00 */
 	if ((uint8_t)_raw_data[currPos] != 0xff ||
 			(uint8_t)_raw_data[currPos + 1] != 0x00) {
 		printf("Wrong File %02x%02x\n", (uint8_t) _raw_data[currPos],
-			(uint8_t)_raw_data[currPos]);
+			(uint8_t)_raw_data[currPos + 1]);
 		return EXIT_FAILURE;
 	}
-	currPos+=2;
-
+	currPos += 2;
 
 	_endHeader = _raw_data.find(0xff, currPos);
-	if (_endHeader == string::npos) {
+	if (_endHeader == std::string::npos) {
 		printError("Error: preamble not found\n");
 		return EXIT_FAILURE;
 	}
 
 	/* .bit for MACHXO3D seems to have more 0xff before preamble key */
 	size_t pos = _raw_data.find(0xb3, _endHeader);
-	if (pos == string::npos) {
+	if (pos == std::string::npos) {
 		printError("Preamble key not found");
 		return EXIT_FAILURE;
 	}
+
+	/* preamble must have at least 3 x 0xff + enc_key byte before 0xb3 */
+	if (pos < _endHeader + 4) {
+		printError("LatticeBitParser: wrong preamble size");
+		return EXIT_FAILURE;
+	}
+
 	//0xbe is the key for encrypted bitstreams in Nexus fpgas
-	if ((uint8_t)_raw_data[pos-1] != 0xbd && (uint8_t)_raw_data[pos-1] != 0xbf && (uint8_t)_raw_data[pos-1] != 0xbe) {
+	const uint8_t enc_key = static_cast<uint8_t>(_raw_data[pos - 1]);
+	if (enc_key != 0xbd && enc_key != 0xbf && enc_key != 0xbe) {
 		printError("Wrong preamble key");
 		return EXIT_FAILURE;
 	}
-	_endHeader = pos - 3; // align to 2 Dummy bits + preamble (ie. Header start offset).
+	_endHeader = pos - 4; // align to 3 Dummy Bytes + preamble (ie. Header start offset).
+
+	if (currPos >= _endHeader) {
+		printError("LatticeBitParser: no header");
+		return EXIT_FAILURE;
+	}
 
 	/* parse header */
-	istringstream lineStream(_raw_data.substr(currPos, _endHeader - currPos - 1));
-	string buff;
-	while (std::getline(lineStream, buff, '\0')) {
-		pos = buff.find_first_of(':', 0);
-		if (pos != string::npos) {
-			string key(buff.substr(0, pos));
-			string val(buff.substr(pos+1, buff.size()));
-			int startPos = val.find_first_not_of(" ");
-			int endPos = val.find_last_not_of(" ")+1;
-			_hdr[key] = val.substr(startPos, endPos).c_str();
+	std::string_view lineStream(_raw_data.data() + currPos, _endHeader - currPos);
+	while (!lineStream.empty()) {
+		const size_t null_pos = lineStream.find('\0');
+		const std::string_view buff = lineStream.substr(0, null_pos);
+		pos = buff.find(':');
+		if (pos != std::string_view::npos) {
+			const std::string_view key = buff.substr(0, pos);
+			const std::string_view val = buff.substr(pos + 1);
+			const size_t startPos = val.find_first_not_of(' ');
+			if (startPos != std::string_view::npos) {
+				const size_t endPos = val.find_last_not_of(' ');
+				_hdr.insert_or_assign(std::string(key),
+					std::string(val.substr(startPos, endPos - startPos + 1)));
+			}
 		}
+		if (null_pos == std::string_view::npos)
+			break;
+		lineStream = lineStream.substr(null_pos + 1);
 	}
 	return EXIT_SUCCESS;
 }
@@ -94,11 +138,15 @@ int LatticeBitParser::parseHeader()
 int LatticeBitParser::parse()
 {
 	/* until 0xFFFFBDB3 0xFFFF */
-	if (parseHeader() < 0)
+	if (parseHeader() != EXIT_SUCCESS)
 		return EXIT_FAILURE;
 
 	/* check preamble */
-	uint32_t preamble = (*(uint32_t *)&_raw_data[_endHeader]);
+	if (_endHeader + 4 >= _raw_data.size()) {
+		printError("LatticeBitParser: truncated preamble");
+		return EXIT_FAILURE;
+	}
+	uint32_t preamble = (*(uint32_t *)&_raw_data[_endHeader + 1]);
 	//0xb3beffff is the preamble for encrypted bitstreams in Nexus fpgas
 	if ((preamble != 0xb3bdffff) && (preamble != 0xb3bfffff) && (preamble != 0xb3beffff)) {
 		printError("Error: missing preamble\n");
@@ -117,18 +165,26 @@ int LatticeBitParser::parse()
 			printError("encrypted bitstream not supported for machXO2");
 			return EXIT_FAILURE;
 		}
-		string part = getHeaderVal("Part");
-		string subpart = part.substr(0, part.find_last_of("-"));
-		for (auto && fpga : fpga_list) {
+		std::map<std::string, std::string>::const_iterator part_it = _hdr.find("Part");
+		if (part_it == _hdr.end()) {
+			printError("LatticeBitParser: Missing Part in header section");
+			return EXIT_FAILURE;
+		}
+		std::string_view subpart(part_it->second);
+		const size_t pos = subpart.find_last_of('-');
+		if (pos == std::string_view::npos) {
+			printError("LatticeBitParser: invalid Part string");
+			return EXIT_FAILURE;
+		}
+		subpart = subpart.substr(0, pos);
+
+		for (const std::pair<const uint32_t, fpga_model> &fpga : fpga_list) {
 			if (fpga.second.manufacturer != "lattice")
 				continue;
-			string model = fpga.second.model;
+			const std::string_view model = fpga.second.model;
 			if (subpart.compare(0, model.size(), model) == 0) {
-				char __buf[10];
-				int __buf_valid_bytes;
-				__buf_valid_bytes = snprintf(__buf, 9, "%08x", fpga.first);
-				_hdr["idcode"] = string(__buf, __buf_valid_bytes);
-				_hdr["idcode"].resize(8, ' ');
+				_hdr["idcode"] = fmtIdcode(fpga.first);
+				break;
 			}
 		}
 	}
@@ -138,28 +194,27 @@ int LatticeBitParser::parse()
 		/* According to FPGA-TN-02192-3.4
 		 * the Lattice ECP3 must trasnmit at least 128 clock pulses before
 		 * receiving the preamble.
-		 * Here the header contains 16 Dummy bit + preamble so only
-		 * 14bits 8x14= 112bits must be added as padding.
+		 * Here the header contains 3x8 Dummy bit + preamble so only
+		 * 13bits 8x13= 112bits must be added as padding.
 		 */
-		const uint32_t offset = (_is_ecp3) ? 14 : 0;
+		const uint32_t offset = (_is_ecp3) ? 13 : 0;
 		_bit_data.resize(_raw_data.size() - _endHeader + offset);
-		if (_is_ecp3) {
-			std::string tmp(14, 0xff);
-			std::move(tmp.begin(), tmp.end(), _bit_data.begin());
-		}
+		if (_is_ecp3)
+			std::fill_n(_bit_data.begin(), offset, uint8_t{0xff});
 		std::move(_raw_data.begin() + _endHeader, _raw_data.end(), _bit_data.begin() + offset);
 		_bit_length = _bit_data.size() * 8;
 	} else {
-		const uint32_t len = _raw_data.size() - _endHeader;
-		uint32_t max_len = 16;
-		for (uint32_t i = 0; i < len; i+=max_len) {
-			std::string tmp(16, 0xff);
-			/* each line must have 16B */
-			if (len < i + max_len)
-				max_len = len - i;
+		_endHeader++;
+		const size_t len = _raw_data.size() - _endHeader;
+		const size_t array_len = (len + 15) / 16;
+		_bit_array.reserve(array_len);
+		for (size_t i = 0; i < len; i += 16) {
+			const size_t max_len = std::min<size_t>(16, len - i);
+			_bit_array.emplace_back(16, '\xff');
+			std::string &tmp = _bit_array.back();
 			for (uint32_t pos = 0; pos < max_len; pos++)
-				tmp[pos] = reverseByte(_raw_data[i+pos+_endHeader]);
-			_bit_array.push_back(std::move(tmp));
+				tmp[pos] = static_cast<char>(reverseByte(
+					static_cast<uint8_t>(_raw_data[_endHeader + i + pos])));
 		}
 		_bit_length = _bit_array.size() * 16 * 8;
 	}
@@ -182,52 +237,73 @@ int LatticeBitParser::parse()
 
 bool LatticeBitParser::parseCfgData()
 {
-	uint8_t *ptr;
-	size_t pos = _endHeader + 4;  // drop 16 Dummy bits and preamble
+	const uint8_t *raw = reinterpret_cast<const uint8_t *>(_raw_data.data());
+	const size_t raw_size = _raw_data.size();
+	const uint8_t *ptr;
+	size_t pos = _endHeader + 5;  // drop 16 Dummy bits and preamble
 	uint32_t idcode;
-	char __buf[10];
-	int __buf_valid_bytes;
-	while (pos < _raw_data.size()) {
-		uint8_t cmd = (uint8_t) _raw_data[pos++];
+
+	while (pos < raw_size) {
+		uint8_t cmd = raw[pos++];
 		switch (cmd) {
 		case BYPASS:
 			break;
 		case LSC_RESET_CRC:
+			if (pos + 3 > raw_size) {
+				printError("LatticeBitParser: truncated bitstream");
+				return false;
+			}
 			pos += 3;
 			break;
 		case ECP3_VERIFY_ID:
-			ptr = (uint8_t*)&_raw_data[pos];
+			if (pos + 7 > raw_size) {
+				printError("LatticeBitParser: truncated bitstream");
+				return false;
+			}
+			ptr = raw + pos;
 			idcode = (((uint32_t)reverseByte(ptr[6])) << 24) |
 					 (((uint32_t)reverseByte(ptr[5])) << 16) |
 					 (((uint32_t)reverseByte(ptr[4])) <<  8) |
 					 (((uint32_t)reverseByte(ptr[3])) <<  0);
-			__buf_valid_bytes = snprintf(__buf, 9, "%08x", idcode);
-			_hdr["idcode"] = string(__buf, __buf_valid_bytes);
-			_hdr["idcode"].resize(8, ' ');
+			_hdr["idcode"] = fmtIdcode(idcode);
 			pos += 7;
 			if (!_is_machXO2)
 				return true;
 			break;
 		case VERIFY_ID:
-			ptr = (uint8_t*)&_raw_data[pos];
+			if (pos + 7 > raw_size) {
+				printError("LatticeBitParser: truncated bitstream");
+				return false;
+			}
+			ptr = raw + pos;
 			idcode = (((uint32_t)ptr[3]) << 24) |
 					 (((uint32_t)ptr[4]) << 16) |
 					 (((uint32_t)ptr[5]) <<  8) |
 					 (((uint32_t)ptr[6]) <<  0);
-			__buf_valid_bytes = snprintf(__buf, 9, "%08x", idcode);
-			_hdr["idcode"] = string(__buf, __buf_valid_bytes);
-			_hdr["idcode"].resize(8, ' ');
+			_hdr["idcode"] = fmtIdcode(idcode);
 			pos += 7;
 			if (!_is_machXO2)
 				return true;
 			break;
 		case LSC_WRITE_COMP_DIC:
+			if (pos + 11 > raw_size) {
+				printError("LatticeBitParser: truncated bitstream");
+				return false;
+			}
 			pos += 11;
 			break;
-       case LSC_PROG_CNTRL0:
+		case LSC_PROG_CNTRL0:
+			if (pos + 7 > raw_size) {
+				printError("LatticeBitParser: truncated bitstream");
+				return false;
+			}
 			pos += 7;
 			break;
 		case LSC_INIT_ADDRESS:
+			if (pos + 3 > raw_size) {
+				printError("LatticeBitParser: truncated bitstream");
+				return false;
+			}
 			pos += 3;
 			break;
 		case LSC_PROG_INCR_CMP:
@@ -238,6 +314,10 @@ bool LatticeBitParser::parseCfgData()
 			return false;
 		case LSC_SPI_MODE:  // optional: 0x79 + mode (fast-read:0x49,
 							// dual-spi:0x51, qspi:0x59) + 2 x 0x00
+			if (pos + 3 > raw_size) {
+				printError("LatticeBitParser: truncated bitstream");
+				return false;
+			}
 			pos += 3;
 			break;
 		default:

src/latticeBitParser.hpp

@@ -24,11 +24,17 @@ class LatticeBitParser: public ConfigBitstreamParser {
 		 * \brief return configuration data with structure similar to jedec
 		 * \return configuration data
 		 */
-		std::vector<std::string> getDataArray() {return _bit_array;}
+		std::vector<std::string> &getDataArray() {return _bit_array;}
 
 	private:
 		int parseHeader();
 		bool parseCfgData();
+		/*!
+		 * \brief format a 32-bit value as 8 zero-padded lowercase hex digits
+		 * \param[in] id: value to format
+		 * \return 8-character hex string
+		 */
+		static std::string fmtIdcode(uint32_t id);
 		size_t _endHeader;
 		bool _is_machXO2;
 		bool _is_ecp3;

src/libusb_ll.cpp

@@ -20,7 +20,6 @@
 #include "display.hpp"
 #include "libusb_ll.hpp"
 
-using namespace std;
 
 libusb_ll::libusb_ll(int vid, int pid, int8_t _verbose):
 	_usb_ctx(nullptr), _verbose(_verbose >= 2)

src/mcsParser.cpp

@@ -3,15 +3,17 @@
  * Copyright (C) 2019 Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
  */
 
+#include <algorithm>
 #include <array>
-#include <sstream>
+#include <charconv>
+#include <limits>
 #include <string>
+#include <string_view>
 
 #include "configBitstreamParser.hpp"
 #include "display.hpp"
 #include "mcsParser.hpp"
 
-using namespace std;
 
 /* line format
  * :LLAAAATTHH...HHCC
@@ -34,49 +36,105 @@ using namespace std;
 #define TYPE_BASE 7
 #define DATA_BASE 9
 
-McsParser::McsParser(const string &filename, bool reverseOrder, bool verbose):
+McsParser::McsParser(const std::string &filename, bool reverseOrder, bool verbose):
 		ConfigBitstreamParser(filename, ConfigBitstreamParser::ASCII_MODE,
 		verbose),
-		_base_addr(0), _reverseOrder(reverseOrder)
+		_base_addr(0), _reverseOrder(reverseOrder), _records()
 {}
 
 int McsParser::parse()
 {
-	string str;
-	istringstream lineStream(_raw_data);
+	std::string_view data(_raw_data);
 
 	FlashDataSection *rec = nullptr;
 
 	bool must_stop = false;
+	size_t flash_size = 0;
 	std::array<uint8_t, 255> tmp_buf{}; // max size for one data line
 
-	while (std::getline(lineStream, str, '\n') && !must_stop) {
-		uint8_t sum = 0, tmp, byteLen, type, checksum;
-		uint16_t addr;
-		uint32_t loc_addr;
+	while (!data.empty() && !must_stop) {
+		const size_t nl_pos = data.find('\n');
+		std::string_view str = data.substr(0,
+			nl_pos != std::string_view::npos ? nl_pos : data.size());
+		data = (nl_pos != std::string_view::npos)
+			? data.substr(nl_pos + 1) : std::string_view{};
+
+		uint8_t sum = 0, tmp = 0, byteLen = 0, type = 0, checksum = 0;
+		uint16_t addr = 0;
+		uint32_t loc_addr = 0;
 
 		/* if '\r' is present -> drop */
-		if (str.back() == '\r')
-			str.pop_back();
+		if (!str.empty() && str.back() == '\r')
+			str.remove_suffix(1);
+
+		const char *line = str.data();
+		const size_t line_len = str.size();
+
+		/* line can't be empty */
+		if (line_len == 0) {
+			printError("Error: file corrupted: empty line");
+			return false;
+		}
 
 		if (str[0] != ':') {
 			printError("Error: a line must start with ':'");
 			return EXIT_FAILURE;
 		}
+
+		/* A line must have at least TYPE_BASE + 2 char (1 Byte) */
+		if (line_len < (TYPE_BASE + 2)) {
+			printf("Error: line too short");
+			return EXIT_FAILURE;
+		}
+
 		/* len */
-		sscanf((char *)&str[LEN_BASE], "%2hhx", &byteLen);
+		auto ret = std::from_chars(line + LEN_BASE,
+			line + LEN_BASE + 2, byteLen, 16);
+		if (ret.ec != std::errc{} || ret.ptr != line + LEN_BASE + 2) {
+			printError("Error: malformed length field");
+			return EXIT_FAILURE;
+		}
 		/* address */
-		sscanf((char *)&str[ADDR_BASE], "%4hx", &addr);
+		ret = std::from_chars(line + ADDR_BASE,
+			line + ADDR_BASE + 4, addr, 16);
+		if (ret.ec != std::errc{} || ret.ptr != line + ADDR_BASE + 4) {
+			printError("Error: malformed address field");
+			return EXIT_FAILURE;
+		}
 		/* type */
-		sscanf((char *)&str[TYPE_BASE], "%2hhx", &type);
+		ret = std::from_chars(line + TYPE_BASE,
+			line + TYPE_BASE + 2, type, 16);
+		if (ret.ec != std::errc{} || ret.ptr != line + TYPE_BASE + 2) {
+			printError("Error: malformed type field");
+			return EXIT_FAILURE;
+		}
+
+		const size_t checksum_offset = DATA_BASE + (static_cast<size_t>(byteLen) * 2);
+		/* check if line contains enought char for data + checksum */
+		if (line_len < (checksum_offset + 2)) {
+			printf("Error: line too short");
+			return EXIT_FAILURE;
+		}
 		/* checksum */
-		sscanf((char *)&str[DATA_BASE + byteLen * 2], "%2hhx", &checksum);
+		ret = std::from_chars(line + checksum_offset,
+			line + checksum_offset + 2, checksum, 16);
+		if (ret.ec != std::errc{} || ret.ptr != line + checksum_offset + 2) {
+			printError("Error: malformed checksum field");
+			return EXIT_FAILURE;
+		}
 
 		sum = byteLen + type + (addr & 0xff) + ((addr >> 8) & 0xff);
 
 		switch (type) {
 		case 0: { /* Data + addr */
 			loc_addr = _base_addr + addr;
+			const size_t end = static_cast<size_t>(loc_addr) + byteLen;
+
+			if (end < static_cast<size_t>(loc_addr)) {
+				printError("Error: record size overflow");
+				return EXIT_FAILURE;
+			}
+			flash_size = std::max(flash_size, end);
 
 			/* Check current record:
 			 * Create if null
@@ -87,10 +145,14 @@ int McsParser::parse()
 				rec = &_records.back();
 			}
 
-			const char *ptr = (char *)&str[DATA_BASE];
+			const char *ptr = line + DATA_BASE;
 
 			for (uint16_t i = 0; i < byteLen; i++, ptr += 2) {
-				sscanf(ptr, "%2hhx", &tmp);
+				ret = std::from_chars(ptr, ptr + 2, tmp, 16);
+				if (ret.ec != std::errc{} || ret.ptr != ptr + 2) {
+					printError("Error: malformed data field");
+					return EXIT_FAILURE;
+				}
 				tmp_buf[i] = _reverseOrder ? reverseByte(tmp) : tmp;
 				sum += tmp;
 			}
@@ -101,7 +163,16 @@ int McsParser::parse()
 			must_stop = true;
 			break;
 		case 4: /* Extended linear addr */
-			sscanf((char*)&str[DATA_BASE], "%4x", &loc_addr);
+			if (byteLen != 2) {
+				printError("Error for line with type 4: data field too short");
+				return EXIT_FAILURE;
+			}
+			ret = std::from_chars(line + DATA_BASE,
+				line + DATA_BASE + 4, loc_addr, 16);
+			if (ret.ec != std::errc{} || ret.ptr != line + DATA_BASE + 4) {
+				printError("Error: malformed extended linear address");
+				return EXIT_FAILURE;
+			}
 			_base_addr = (loc_addr << 16);
 			sum += (loc_addr & 0xff) + ((loc_addr >> 8) & 0xff);
 			break;
@@ -116,17 +187,30 @@ int McsParser::parse()
 		}
 	}
 
-	const uint32_t nbRecord = getRecordCount();
-	const uint32_t record_base = getRecordBaseAddr(nbRecord - 1);
-	const uint32_t record_length = getRecordLength(nbRecord - 1);
-	const uint32_t flash_size = record_base + record_length;
+	const size_t nbRecord = getRecordCount();
+	if (nbRecord == 0) {
+		printError("No record found: is empty file?");
+		return EXIT_FAILURE;
+	}
 
 	_bit_data.assign(flash_size, 0xff);
+	if (flash_size > static_cast<size_t>(std::numeric_limits<int>::max() / 8)) {
+		printError("Error: bitstream too large");
+		return EXIT_FAILURE;
+	}
 	_bit_length = flash_size * 8;
-	for (uint32_t i = 0; i < nbRecord; i++) {
-		const uint32_t record_base = getRecordBaseAddr(i);
-		const std::vector<uint8_t> rec = getRecordData(i);
-		std::copy(rec.begin(), rec.end(), _bit_data.begin() + record_base);
+	for (const FlashDataSection& section : _records) {
+		const size_t start = section.getStartAddr();
+		const size_t length = section.getLength();
+
+		if (start > _bit_data.size() || length > (_bit_data.size() - start)) {
+			printError("Error: record out of range");
+			return EXIT_FAILURE;
+		}
+
+		std::copy(section.getRecord().begin(),
+			section.getRecord().end(),
+			_bit_data.begin() + start);
 	}
 
 	return EXIT_SUCCESS;

src/part.hpp

@@ -124,6 +124,7 @@ static std::map <uint32_t, fpga_model> fpga_list = {
 	{0x13823093, {"xilinx", "kintexus", "xcku035", 6}},
 	{0x13822093, {"xilinx", "kintexus", "xcku040", 6}},
 	{0x13919093, {"xilinx", "kintexus", "xcku060", 6}},
+	{0x23844093, {"xilinx", "kintexus", "xcku095", 6}},
 	{0x1390d093, {"xilinx", "kintexus", "xcku115", 6}},
 
 	/* Xilinx Ultrascale / Virtex */
@@ -279,6 +280,7 @@ static std::map <uint32_t, fpga_model> fpga_list = {
 	{0x0318d0dd, {"altera", "MAX 10", "10M40S", 10}},
 	{0x031850dd, {"altera", "MAX 10", "10M50S", 10}},
 	/** dual-supply **/
+    {0x031030dd, {"altera", "MAX 10", "10M16D", 10}},
 	{0x031050dd, {"altera", "MAX 10", "10M50D", 10}},
 
 	/* Altera Stratix V */
@@ -304,6 +306,12 @@ static std::map <uint32_t, fpga_model> fpga_list = {
 	{0x02e650dd, {"altera", "arria 10", "SX570",  10}},
 	{0x02e050dd, {"altera", "arria 10", "SX660",  10}},
 
+	/* Altera Agilex 3 */
+	{0x436db0dd, {"altera", "agilex 3", "A3CZ135", 10}},
+
+	/* Altera Agilex 5 */
+	{0x4369c0dd, {"altera", "agilex 5", "A5EC008B",  10}},
+
 	/**************************************************************************/
 	/*                             Efinix                                     */
 	/**************************************************************************/

src/pofParser.cpp

@@ -67,6 +67,7 @@ void POFParser::displayHeader()
 
 int POFParser::parse()
 {
+	const uint32_t file_size = static_cast<uint32_t>(_file_size);
 	uint8_t *ptr = (uint8_t *)_raw_data.data();
 	uint32_t pos = 0;
 
@@ -77,6 +78,10 @@ int POFParser::parse()
 	pos += 4;
 	/* unknown */
 	if (_verbose) {
+		if ((pos + 4) > file_size) {
+			printError("POFParser: Can't read first section");
+			return -1;
+		}
 		uint32_t first_section = ARRAY2INT32(ptr);
 		printf("first section:     %08x %4u\n", first_section, first_section);
 	}
@@ -84,18 +89,39 @@ int POFParser::parse()
 	pos += 4;
 	/* number of packets */
 	if (_verbose) {
+		if ((pos + 4) > file_size) {
+			printError("POFParser: Can't read first section");
+			return -1;
+		}
 		uint32_t num_packets = ARRAY2INT32(ptr);
 		printf("number of packets: %08x %4u\n", num_packets, num_packets);
 	}
 	pos += 4;
 
 	/* 16bit code + 32bits size + content */
-	while (pos < static_cast<uint32_t>(_file_size)) {
+	while (pos < file_size) {
+		if ((pos + 2) > file_size) {
+			printError("POFParser: Bound check failure: can't read flag");
+			return -1;
+		}
 		uint16_t flag = ARRAY2INT16((&_raw_data.data()[pos]));
 		pos += 2;
+		if ((pos + 4) > file_size) {
+			printError("POFParser: Bound check failure: can't read size");
+			return -1;
+		}
 		uint32_t size = ARRAY2INT32((&_raw_data.data()[pos]));
 		pos += 4;
-		pos += parseSection(flag, pos, size);
+		if ((pos >= file_size) || ((pos + size) > file_size)) {
+			printError("POFParser: Bound check: can't parse section");
+			return -1;
+		}
+		uint32_t ret = parseSection(flag, pos, size);
+		if (ret != size) {
+			printError("POFParser: parseSection Failed");
+			return -1;
+		}
+		pos += ret;
 	}
 
 	/* update pointers to memory area */
@@ -147,6 +173,10 @@ uint32_t POFParser::parseSection(uint16_t flag, uint32_t pos, uint32_t size)
 			_hdr["design_name"] = _raw_data.substr(pos, size);
 			break;
 		case 0x08:  // last packet: CRC ?
+			if (size < 2) {
+				printError("POFParser: flag 0x08 failed size too small");
+				return 0;
+			}
 			_hdr["maybeCRC"] = std::to_string(ARRAY2INT16((&_raw_data.data()[pos])));
 			break;
 		case 0x11:  // cfg data
@@ -154,6 +184,10 @@ uint32_t POFParser::parseSection(uint16_t flag, uint32_t pos, uint32_t size)
 					// followed by UFM/CFM/DSM data
 			if (_verbose) {
 				content = _raw_data.substr(pos, size);
+				if ((3 * 4) > size) {
+					printError("POFParser: can't display 0x11 area");
+					return -1;
+				}
 				uint32_t val0 = ARRAY2INT32((&content.c_str()[0]));
 				uint32_t val1 = ARRAY2INT32((&content.c_str()[4]));
 				uint32_t val2 = ARRAY2INT32((&content.c_str()[8]));
@@ -170,6 +204,10 @@ uint32_t POFParser::parseSection(uint16_t flag, uint32_t pos, uint32_t size)
 		case 0x13:  // contains usercode / checksum
 			_hdr["usercode"] = std::to_string(ARRAY2INT32((&_raw_data.data()[pos+size-4])));
 			if (_verbose) {
+				if (size < 12) {
+					printf("POFParser: Can't display flag 0x13 area");
+					return -1;
+				}
 				t = _raw_data.substr(pos, size);
 				for (size_t i = 0; i < t.size(); i++)
 					printf("%02x ", static_cast<uint8_t>(t[i]));

src/pofParser.hpp

@@ -18,10 +18,10 @@
 	(static_cast<uint16_t>(_array_[1] & 0x00ff) << 8))
 
 #define ARRAY2INT32(_array_) ( \
-	(static_cast<uint16_t>(_array_[0] & 0x00ff) <<  0) | \
-	(static_cast<uint16_t>(_array_[1] & 0x00ff) <<  8) | \
-	(static_cast<uint16_t>(_array_[2] & 0x00ff) << 16) | \
-	(static_cast<uint16_t>(_array_[3] & 0x00ff) << 24))
+	(static_cast<uint32_t>(_array_[0] & 0x00ff) <<  0) | \
+	(static_cast<uint32_t>(_array_[1] & 0x00ff) <<  8) | \
+	(static_cast<uint32_t>(_array_[2] & 0x00ff) << 16) | \
+	(static_cast<uint32_t>(_array_[3] & 0x00ff) << 24))
 
 /*!
  * \file pofParser.hpp

src/progressBar.cpp

@@ -11,13 +11,21 @@
 #include "progressBar.hpp"
 #include "display.hpp"
 
+bool ProgressBar::_force_terminal_mode = false;
+
 ProgressBar::ProgressBar(const std::string &mess, int maxValue,
 		int progressLen, bool quiet): _mess(mess), _maxValue(maxValue),
 		_progressLen(progressLen), last_time(std::chrono::system_clock::now()),
-		_quiet(quiet), _first(true), _is_tty(isatty(STDOUT_FILENO) == 1)
+		_quiet(quiet), _first(true),
+		_is_tty(_force_terminal_mode || isatty(STDOUT_FILENO) == 1)
 {
 }
 
+void ProgressBar::setForceTerminalMode()
+{
+	_force_terminal_mode = true;
+}
+
 void ProgressBar::display(int value, char force)
 {
 	if (_quiet) {

src/progressBar.hpp

@@ -12,6 +12,7 @@ class ProgressBar {
 	public:
 		ProgressBar(const std::string &mess, int maxValue, int progressLen,
 				bool quiet = false);
+		static void setForceTerminalMode();
 		void display(int value, char force = 0);
 		void done();
 		void fail();
@@ -24,6 +25,7 @@ class ProgressBar {
 		bool _quiet;
 		bool _first;
 		bool _is_tty;
+		static bool _force_terminal_mode;
 };
 
 #endif

src/rawParser.cpp

@@ -10,9 +10,8 @@
 #include "display.hpp"
 #include "rawParser.hpp"
 
-using namespace std;
 
-RawParser::RawParser(const string &filename, bool reverseOrder):
+RawParser::RawParser(const std::string &filename, bool reverseOrder):
 		ConfigBitstreamParser(filename, ConfigBitstreamParser::BIN_MODE,
 		false), _reverseOrder(reverseOrder)
 {}

src/remoteBitbang_client.cpp

@@ -26,7 +26,6 @@
 
 #include "display.hpp"
 
-using namespace std;
 
 #define TCK_OFFSET 2
 #define TMS_OFFSET 1
@@ -170,7 +169,7 @@ int RemoteBitbang_client::setClkFreq(uint32_t clkHz)
 	return clkHz;
 }
 
-bool RemoteBitbang_client::open_connection(const string &ip_addr)
+bool RemoteBitbang_client::open_connection(const std::string &ip_addr)
 {
 	struct sockaddr_in addr;
 	addr.sin_family = AF_INET;

src/spiFlash.cpp

@@ -16,7 +16,7 @@
 #include "display.hpp"
 #include "spiFlash.hpp"
 #include "spiFlashdb.hpp"
-#include "spiInterface.hpp"
+#include "flashInterface.hpp"
 
 /* read/write status register : 0B addr + 0 dummy */
 #define FLASH_WRSR     0x01
@@ -84,7 +84,7 @@
 /* Global Block Protection unlock */
 #define FLASH_ULBPR 0x98
 
-SPIFlash::SPIFlash(SPIInterface *spi, bool unprotect, int8_t verbose):
+SPIFlash::SPIFlash(FlashInterface *spi, bool unprotect, int8_t verbose):
 	_spi(spi), _verbose(verbose), _jedec_id(0),
 	_flash_model(NULL), _unprotect(unprotect), _must_relock(false),
 	_status(0)

src/spiFlash.hpp

@@ -9,7 +9,7 @@
 #include <map>
 #include <string>
 
-#include "spiInterface.hpp"
+#include "flashInterface.hpp"
 #include "spiFlashdb.hpp"
 
 /* Flash memory section record
@@ -40,7 +40,7 @@ class FlashDataSection {
 
 class SPIFlash {
 	public:
-		SPIFlash(SPIInterface *spi, bool unprotect, int8_t verbose);
+		SPIFlash(FlashInterface *spi, bool unprotect, int8_t verbose);
 		/* power */
 		virtual void power_up();
 		virtual void power_down();
@@ -173,7 +173,7 @@ class SPIFlash {
 		 */
 		uint8_t len_to_bp(uint32_t len);
 
-		SPIInterface *_spi;
+		FlashInterface *_spi;
 		int8_t _verbose;
 		uint32_t _jedec_id; /**< CHIP ID */
 		flash_t *_flash_model; /**< detect flash model */

src/spiFlashdb.hpp

@@ -322,6 +322,22 @@ static std::map <uint32_t, flash_t> flash_list = {
 		.quad_mask = 0,
 		.global_lock = false,
 	}},
+	{0x20bb20, {
+		.manufacturer = "micron",
+		.model = "MT25QU512",
+		.nr_sector = 1024,
+		.sector_erase = true,
+		.subsector_erase = true,
+		.has_extended = true,
+		.tb_otp = false,
+		.tb_offset = (1 << 5),
+		.tb_register = STATR,
+		.bp_len = 4,
+		.bp_offset = {(1 << 2), (1 << 3), (1 << 4), (1 << 6)},
+		.quad_register = NONER,
+		.quad_mask = 0,
+		.global_lock = false,
+	}},
 	{0x20bb21, {
 		.manufacturer = "micron",
 		.model = "MT25QU01G",
@@ -585,6 +601,23 @@ static std::map <uint32_t, flash_t> flash_list = {
 		.quad_mask = (1 << 6),
 		.global_lock = false,
 	}},
+	{0xc84016, {
+		/* https://cdn.compacttool.ru/downloads/GD25Q32%20datasheet.pdf */
+		.manufacturer = "GigaDevice",
+		.model = "GD25Q32C",
+		.nr_sector = 64,
+		.sector_erase = true,
+		.subsector_erase = true,
+		.has_extended = false,
+		.tb_otp = false,
+		.tb_offset = (1 << 14),  // CMP
+		.tb_register = STATR,
+		.bp_len = 4,
+		.bp_offset = {(1 << 2), (1 << 3), (1 << 4), (1 << 5)},
+		.quad_register = STATR,
+		.quad_mask = (1 << 6),
+		.global_lock = false,
+	}},
 	{0xc22817, {
 		/* https://www.macronix.com/Lists/Datasheet/Attachments/8868/MX25R6435F,%20Wide%20Range,%2064Mb,%20v1.6.pdf */
 		.manufacturer = "Macronix",

src/svf_jtag.cpp

@@ -18,12 +18,11 @@
 
 #include "jtag.hpp"
 
-using namespace std;
 
-void SVF_jtag::split_str(string const &str, vector<string> &vparse)
+void SVF_jtag::split_str(std::string const &str, std::vector<std::string> &vparse)
 {
-	string token;
-	istringstream tokenStream(str);
+	std::string token;
+	std::istringstream tokenStream(str);
 	while (getline(tokenStream, token, ' '))
 		vparse.push_back(token);
 }
@@ -37,7 +36,7 @@ void SVF_jtag::clear_XYR(svf_XYR &t)
 	t.smask.clear();
 }
 
-static unsigned char *parse_hex(string const &in, size_t byte_length,
+static unsigned char *parse_hex(std::string const &in, size_t byte_length,
 		bool default_value)
 {
 	unsigned char *txbuf = new unsigned char[byte_length];
@@ -67,13 +66,13 @@ static unsigned char *parse_hex(string const &in, size_t byte_length,
 * tdo si absent on s'en fout
 * TODO: ameliorer l'analyse des chaines de caracteres
 */
-void SVF_jtag::parse_XYR(vector<string> const &vstr, svf_XYR &t)
+void SVF_jtag::parse_XYR(std::vector<std::string> const &vstr, svf_XYR &t)
 {
 	if (_verbose)
-		cout << endl;
+		std::cout << std::endl;
 	int mode = 0;
-	string s;
-	string full_line;
+	std::string s;
+	std::string full_line;
 	full_line.reserve(1276);
 	int write_data = -1;
 
@@ -168,14 +167,14 @@ void SVF_jtag::parse_XYR(vector<string> const &vstr, svf_XYR &t)
 			unsigned char *maskbuf = parse_hex(t.mask, byte_len, t.mask.empty() ? 1 : 0);
 			for (size_t i = 0; i < byte_len; i++) {
 				if ((read_buffer[i] ^ tdobuf[i]) & maskbuf[i]) {
-					cerr << "TDO value ";
+					std::cerr << "TDO value ";
 					for (int j = byte_len - 1; j >= 0; j--) {
-						cerr << uppercase << hex << int(read_buffer[j]);
+						std::cerr << std::uppercase << std::hex << int(read_buffer[j]);
 					}
-					cerr << " isn't the one expected: " << uppercase << t.tdo << endl;
+					std::cerr << " isn't the one expected: " << std::uppercase << t.tdo << std::endl;
 					delete[] tdobuf;
 					delete[] maskbuf;
-					throw exception();
+					throw std::exception();
 				}
 			}
 			delete[] tdobuf;
@@ -187,7 +186,7 @@ void SVF_jtag::parse_XYR(vector<string> const &vstr, svf_XYR &t)
 }
 
 /* Implementation partielle de la spec */
-void SVF_jtag::parse_runtest(vector<string> const &vstr)
+void SVF_jtag::parse_runtest(std::vector<std::string> const &vstr)
 {
 	unsigned int pos = 1;
 	int nb_iter = 0;
@@ -238,105 +237,105 @@ void SVF_jtag::parse_runtest(vector<string> const &vstr)
 	_jtag->set_state(_end_state);
 	}
 
-void SVF_jtag::handle_instruction(vector<string> const &vstr)
+void SVF_jtag::handle_instruction(std::vector<std::string> const &vstr)
 {
 	if (!vstr[0].compare("FREQUENCY")) {
 		_freq_hz = atof(vstr[1].c_str());
 		if (_verbose) {
-			cout << "frequency value " << vstr[1] << " unit " << vstr[2];
-			cout << _freq_hz << endl;
+			std::cout << "frequency value " << vstr[1] << " unit " << vstr[2];
+			std::cout << _freq_hz << std::endl;
 		}
 		_jtag->setClkFreq(_freq_hz);
 	} else if (!vstr[0].compare("TRST")) {
-		if (_verbose) cout << "trst value : " << vstr[1] << endl;
+		if (_verbose) std::cout << "trst value : " << vstr[1] << std::endl;
 	} else if (!vstr[0].compare("ENDDR")) {
-		if (_verbose) cout << "enddr value : " << vstr[1] << endl;
+		if (_verbose) std::cout << "enddr value : " << vstr[1] << std::endl;
 		_enddr = (Jtag::tapState_t)fsm_state[vstr[1]];
 	} else if (!vstr[0].compare("ENDIR")) {
-		if (_verbose) cout << "endir value : " << vstr[1] << endl;
+		if (_verbose) std::cout << "endir value : " << vstr[1] << std::endl;
 		_endir = (Jtag::tapState_t)fsm_state[vstr[1]];
 	} else if (!vstr[0].compare("STATE")) {
-		if (_verbose) cout << "state value : " << vstr[1] << endl;
+		if (_verbose) std::cout << "state value : " << vstr[1] << std::endl;
 		_jtag->set_state((Jtag::tapState_t)fsm_state[vstr[1]]);
 	} else if (!vstr[0].compare("RUNTEST")) {
 		parse_runtest(vstr);
 	} else if (!vstr[0].compare("HIR")) {
 		parse_XYR(vstr, hir);
 		if (hir.len > 0) {
-			cerr << "HIR length supported is only 0 " << endl;
+			std::cerr << "HIR length supported is only 0 " << std::endl;
 		}
 		if (_verbose) {
-			cout << "HIR" << endl;
-			cout << "\tlen   : " << hir.len << endl;
-			cout << "\ttdo   : " << hir.tdo.size()*4 << endl;
-			cout << "\ttdi   : " << hir.tdi.size()*4 << endl;
-			cout << "\tmask  : " << hir.mask.size()*4 << endl;
-			cout << "\tsmask : " << hir.smask.size()*4 << endl;
+			std::cout << "HIR" << std::endl;
+			std::cout << "\tlen   : " << hir.len << std::endl;
+			std::cout << "\ttdo   : " << hir.tdo.size()*4 << std::endl;
+			std::cout << "\ttdi   : " << hir.tdi.size()*4 << std::endl;
+			std::cout << "\tmask  : " << hir.mask.size()*4 << std::endl;
+			std::cout << "\tsmask : " << hir.smask.size()*4 << std::endl;
 		}
 	} else if (!vstr[0].compare("HDR")) {
 		parse_XYR(vstr, hdr);
 		if (hdr.len > 0) {
-			cerr << "HDR length supported is only 0" << endl;
+			std::cerr << "HDR length supported is only 0" << std::endl;
 		}
 		if (_verbose) {
-			cout << "HDR" << endl;
-			cout << "\tlen   : " << hdr.len << endl;
-			cout << "\ttdo   : " << hdr.tdo.size()*4 << endl;
-			cout << "\ttdi   : " << hdr.tdi.size()*4 << endl;
-			cout << "\tmask  : " << hdr.mask.size()*4 << endl;
-			cout << "\tsmask : " << hdr.smask.size()*4 << endl;
+			std::cout << "HDR" << std::endl;
+			std::cout << "\tlen   : " << hdr.len << std::endl;
+			std::cout << "\ttdo   : " << hdr.tdo.size()*4 << std::endl;
+			std::cout << "\ttdi   : " << hdr.tdi.size()*4 << std::endl;
+			std::cout << "\tmask  : " << hdr.mask.size()*4 << std::endl;
+			std::cout << "\tsmask : " << hdr.smask.size()*4 << std::endl;
 		}
 	} else if (!vstr[0].compare("SIR")) {
 		parse_XYR(vstr, sir);
 		if (_verbose) {
 			for (auto &&t : vstr)
-				cout << t << " ";
-			cout << endl;
-			cout << "\tlen   : " << sir.len << endl;
-			cout << "\ttdo   : " << sir.tdo.size()*4 << endl;
-			cout << "\ttdi   : " << sir.tdi.size()*4 << endl;
-			cout << "\tmask  : " << sir.mask.size()*4 << endl;
-			cout << "\tsmask : " << sir.smask.size()*4 << endl;
+				std::cout << t << " ";
+			std::cout << std::endl;
+			std::cout << "\tlen   : " << sir.len << std::endl;
+			std::cout << "\ttdo   : " << sir.tdo.size()*4 << std::endl;
+			std::cout << "\ttdi   : " << sir.tdi.size()*4 << std::endl;
+			std::cout << "\tmask  : " << sir.mask.size()*4 << std::endl;
+			std::cout << "\tsmask : " << sir.smask.size()*4 << std::endl;
 		}
 	} else if (!vstr[0].compare("SDR")) {
 		parse_XYR(vstr, sdr);
 		if (_verbose) {
-			cout << "SDR" << endl;
-			cout << "\tlen   : " << sdr.len << endl;
-			cout << "\ttdo   : " << sdr.tdo.size()*4 << endl;
-			cout << "\ttdi   : " << sdr.tdi.size()*4 << endl;
-			cout << "\tmask  : " << sdr.mask.size()*4 << endl;
-			cout << "\tsmask : " << sdr.smask.size()*4 << endl;
+			std::cout << "SDR" << std::endl;
+			std::cout << "\tlen   : " << sdr.len << std::endl;
+			std::cout << "\ttdo   : " << sdr.tdo.size()*4 << std::endl;
+			std::cout << "\ttdi   : " << sdr.tdi.size()*4 << std::endl;
+			std::cout << "\tmask  : " << sdr.mask.size()*4 << std::endl;
+			std::cout << "\tsmask : " << sdr.smask.size()*4 << std::endl;
 		}
 	} else if (!vstr[0].compare("TDR")) {
 		parse_XYR(vstr, tdr);
 		if (tdr.len > 0) {
-			cerr << "TDR length supported is only 0" << endl;
+			std::cerr << "TDR length supported is only 0" << std::endl;
 		}
 		if (_verbose) {
-			cout << "TDR" << endl;
-			cout << "\tlen   : " << tdr.len << endl;
-			cout << "\ttdo   : " << tdr.tdo.size() * 4 << endl;
-			cout << "\ttdi   : " << tdr.tdi.size() * 4 << endl;
-			cout << "\tmask  : " << tdr.mask.size() * 4 << endl;
-			cout << "\tsmask : " << tdr.smask.size() * 4 << endl;
+			std::cout << "TDR" << std::endl;
+			std::cout << "\tlen   : " << tdr.len << std::endl;
+			std::cout << "\ttdo   : " << tdr.tdo.size() * 4 << std::endl;
+			std::cout << "\ttdi   : " << tdr.tdi.size() * 4 << std::endl;
+			std::cout << "\tmask  : " << tdr.mask.size() * 4 << std::endl;
+			std::cout << "\tsmask : " << tdr.smask.size() * 4 << std::endl;
 		}
 	} else if (!vstr[0].compare("TIR")) {
 		parse_XYR(vstr, tir);
 		if (tir.len > 0) {
-			cerr << "TIR length supported is only 0" << endl;
+			std::cerr << "TIR length supported is only 0" << std::endl;
 		}
 		if (_verbose) {
-			cout << "TIR" << endl;
-			cout << "\tlen   : " << tir.len << endl;
-			cout << "\ttdo   : " << tir.tdo.size() * 4 << endl;
-			cout << "\ttdi   : " << tir.tdi.size() * 4 << endl;
-			cout << "\tmask  : " << tir.mask.size() * 4 << endl;
-			cout << "\tsmask : " << tir.smask.size() * 4 << endl;
+			std::cout << "TIR" << std::endl;
+			std::cout << "\tlen   : " << tir.len << std::endl;
+			std::cout << "\ttdo   : " << tir.tdo.size() * 4 << std::endl;
+			std::cout << "\ttdi   : " << tir.tdi.size() * 4 << std::endl;
+			std::cout << "\tmask  : " << tir.mask.size() * 4 << std::endl;
+			std::cout << "\tsmask : " << tir.smask.size() * 4 << std::endl;
 		}
 	} else {
-		cout << "error: unhandled instruction " << vstr[0] << endl;
-		throw exception();
+		std::cout << "error: unhandled instruction " << vstr[0] << std::endl;
+		throw std::exception();
 	}
 }
 
@@ -358,16 +357,16 @@ bool is_space(char x) {
  * concat continuous lines
  * and pass instruction to handle_instruction
  */
-void SVF_jtag::parse(string filename)
+void SVF_jtag::parse(std::string filename)
 {
-	string str;
-	vector<string> vstr;
+	std::string str;
+	std::vector<std::string> vstr;
 	bool is_complete;
-	ifstream fs;
+	std::ifstream fs;
 
 	fs.open(filename);
 	if (!fs.is_open()) {
-		cerr << "Error opening svf file " << filename << endl;
+		std::cerr << "Error opening svf file " << filename << std::endl;
 		return;
 	}
 	unsigned int lineno = 0;
@@ -391,8 +390,8 @@ void SVF_jtag::parse(string filename)
 					if (vstr[0].compare("HDR") && vstr[0].compare("HIR")
 						&& vstr[0].compare("SDR") && vstr[0].compare("SIR")) {
 						for (auto &&word : vstr)
-							cout << word << " ";
-						cout << endl;
+							std::cout << word << " ";
+						std::cout << std::endl;
 					}
 				}
 				handle_instruction(vstr);
@@ -400,11 +399,11 @@ void SVF_jtag::parse(string filename)
 			}
 		}
 	}
-	catch (exception &e)
+	catch (std::exception &e)
 	{
-		cerr << "Cannot proceed because of error(s) at line " << lineno << endl;
+		std::cerr << "Cannot proceed because of error(s) at line " << lineno << std::endl;
 		throw;
 	}
 
-	cout << "end of SVF file" << endl;
+	std::cout << "end of SVF file" << std::endl;
 }

src/svf_jtag.hpp

@@ -11,31 +11,30 @@
 #include <map>
 
 #include "jtag.hpp"
-using namespace std;
 
 class SVF_jtag {
  public:
 	SVF_jtag(Jtag *jtag, bool verbose);
 	~SVF_jtag();
-	void parse(string filename);
+	void parse(std::string filename);
 	void setVerbose(bool verbose) {_verbose = verbose;}
 
 	private:
 	typedef struct {
 		uint32_t len;
-		string tdo;
-		string tdi;
-		string mask;
-		string smask;
+		std::string tdo;
+		std::string tdi;
+		std::string mask;
+		std::string smask;
 	} svf_XYR;
 
-		void split_str(string const &str, vector<string> &vparse);
+		void split_str(const std::string &str, std::vector<std::string> &vparse);
 		void clear_XYR(svf_XYR &t);
-		void parse_XYR(vector<string> const &vstr/*, svf_stat &svfs*/, svf_XYR &t);
-		void parse_runtest(vector<string> const &vstr);
-		void handle_instruction(vector<string> const &vstr);
+		void parse_XYR(const std::vector<std::string> &vstr/*, svf_stat &svfs*/, svf_XYR &t);
+		void parse_runtest(const std::vector<std::string> &vstr);
+		void handle_instruction(const std::vector<std::string> &vstr);
 
-	map <string, uint8_t> fsm_state = {
+	std::map<std::string, uint8_t> fsm_state = {
 		{"RESET", 0},
 		{"IDLE", 1},
 		{"DRSELECT", 2},

src/usbBlaster.cpp

@@ -19,7 +19,6 @@
 #include "fx2_ll.hpp"
 #include "usbBlaster.hpp"
 
-using namespace std;
 
 #define DO_READ  (1 << 6)
 #define DO_WRITE (0 << 6)
@@ -358,10 +357,8 @@ UsbBlasterI::UsbBlasterI()
 {
 	int ret;
 	_ftdi = ftdi_new();
-	if (_ftdi == NULL) {
-		cout << "open_device: failed to initialize ftdi" << endl;
-		throw std::exception();
-	}
+	if (_ftdi == NULL)
+		throw std::runtime_error("open_device: failed to initialize ftdi");
 
 	 ret = ftdi_usb_open(_ftdi, 0x09fb, 0x6001);
 	if (ret < 0) {
@@ -446,7 +443,7 @@ int UsbBlasterI::write(uint8_t *wr_buf, int wr_len,
  * USB Blash II specific implementation
  */
 
-UsbBlasterII::UsbBlasterII(const string &firmware_path)
+UsbBlasterII::UsbBlasterII(const std::string &firmware_path)
 {
 	std::string fpath;
 	uint8_t buf[5];

src/xilinx.cpp

@@ -31,7 +31,7 @@
 #endif
 #include "rawParser.hpp"
 #include "spiFlash.hpp"
-#include "spiInterface.hpp"
+#include "flashInterface.hpp"
 #include "xilinx.hpp"
 #include "xilinxMapParser.hpp"
 
@@ -279,7 +279,7 @@ Xilinx::Xilinx(Jtag *jtag, const std::string &filename,
 	bool verify, int8_t verbose,
 	bool skip_load_bridge, bool skip_reset, bool read_dna, bool read_xadc):
 	Device(jtag, filename, file_type, verify, verbose),
-	SPIInterface(filename, verbose, 256, verify, skip_load_bridge,
+	FlashInterface(filename, verbose, 256, verify, skip_load_bridge,
 				 skip_reset),
 	_device_package(device_package), _spiOverJtagPath(spiOverJtagPath),
 	_irlen(6), _secondary_filename(secondary_filename), _soj_is_v2(false),
@@ -842,11 +842,11 @@ void Xilinx::program_spi(ConfigBitstreamParser * bit, std::string extention,
 		throw std::runtime_error("called with null bitstream");
 	if (extention == "mcs") {
 		McsParser *parser = (McsParser *)bit;
-		SPIInterface::write(parser->getRecords(), unprotect_flash, true);
+		FlashInterface::write(parser->getRecords(), unprotect_flash, true);
 	} else {
 		const uint8_t *data = bit->getData();
 		int length = bit->getLength() / 8;
-		SPIInterface::write(offset, data, length, unprotect_flash);
+		FlashInterface::write(offset, data, length, unprotect_flash);
 	}
 }
 
@@ -1261,14 +1261,14 @@ bool Xilinx::dumpFlash(uint32_t base_addr, uint32_t len)
 
 	if (_flash_chips & PRIMARY_FLASH) {
 		select_flash_chip(PRIMARY_FLASH);
-		SPIInterface::set_filename(_filename);
-		if (!SPIInterface::dump(base_addr, len))
+		FlashInterface::set_filename(_filename);
+		if (!FlashInterface::dump(base_addr, len))
 			return false;
 	}
 	if (_flash_chips & SECONDARY_FLASH) {
 		select_flash_chip(SECONDARY_FLASH);
-		SPIInterface::set_filename(_secondary_filename);
-		if (!SPIInterface::dump(base_addr, len))
+		FlashInterface::set_filename(_secondary_filename);
+		if (!FlashInterface::dump(base_addr, len))
 			return false;
 	}
 
@@ -1279,12 +1279,12 @@ bool Xilinx::detect_flash()
 {
 	if (_flash_chips & PRIMARY_FLASH) {
 		select_flash_chip(PRIMARY_FLASH);
-		if (!SPIInterface::detect_flash())
+		if (!FlashInterface::detect_flash())
 			return false;
 	}
 	if (_flash_chips & SECONDARY_FLASH) {
 		select_flash_chip(SECONDARY_FLASH);
-		if (!SPIInterface::detect_flash())
+		if (!FlashInterface::detect_flash())
 			return false;
 	}
 	return true;
@@ -1294,12 +1294,12 @@ bool Xilinx::protect_flash(uint32_t len)
 {
 	if (_flash_chips & PRIMARY_FLASH) {
 		select_flash_chip(PRIMARY_FLASH);
-		if (!SPIInterface::protect_flash(len))
+		if (!FlashInterface::protect_flash(len))
 			return false;
 	}
 	if (_flash_chips & SECONDARY_FLASH) {
 		select_flash_chip(SECONDARY_FLASH);
-		if (!SPIInterface::protect_flash(len))
+		if (!FlashInterface::protect_flash(len))
 			return false;
 	}
 	return true;
@@ -1309,12 +1309,12 @@ bool Xilinx::unprotect_flash()
 {
 	if (_flash_chips & PRIMARY_FLASH) {
 		select_flash_chip(PRIMARY_FLASH);
-		if (!SPIInterface::unprotect_flash())
+		if (!FlashInterface::unprotect_flash())
 			return false;
 	}
 	if (_flash_chips & SECONDARY_FLASH) {
 		select_flash_chip(SECONDARY_FLASH);
-		if (!SPIInterface::unprotect_flash())
+		if (!FlashInterface::unprotect_flash())
 			return false;
 	}
 	return true;
@@ -1324,12 +1324,12 @@ bool Xilinx::set_quad_bit(bool set_quad)
 {
 	if (_flash_chips & PRIMARY_FLASH) {
 		select_flash_chip(PRIMARY_FLASH);
-		if (!SPIInterface::set_quad_bit(set_quad))
+		if (!FlashInterface::set_quad_bit(set_quad))
 			return false;
 	}
 	if (_flash_chips & SECONDARY_FLASH) {
 		select_flash_chip(SECONDARY_FLASH);
-		if (!SPIInterface::set_quad_bit(set_quad))
+		if (!FlashInterface::set_quad_bit(set_quad))
 			return false;
 	}
 	return true;
@@ -1339,12 +1339,12 @@ bool Xilinx::bulk_erase_flash()
 {
 	if (_flash_chips & PRIMARY_FLASH) {
 		select_flash_chip(PRIMARY_FLASH);
-		if (!SPIInterface::bulk_erase_flash())
+		if (!FlashInterface::bulk_erase_flash())
 			return false;
 	}
 	if (_flash_chips & SECONDARY_FLASH) {
 		select_flash_chip(SECONDARY_FLASH);
-		if (!SPIInterface::bulk_erase_flash())
+		if (!FlashInterface::bulk_erase_flash())
 			return false;
 	}
 	return true;

src/xilinx.hpp

@@ -16,9 +16,9 @@
 #include "device.hpp"
 #include "jedParser.hpp"
 #include "jtag.hpp"
-#include "spiInterface.hpp"
+#include "flashInterface.hpp"
 
-class Xilinx: public Device, SPIInterface {
+class Xilinx: public Device, FlashInterface {
 	public:
 		Xilinx(Jtag *jtag, const std::string &filename,
 				const std::string &secondary_filename,

src/xilinxMapParser.cpp

@@ -14,9 +14,8 @@
 #include "jedParser.hpp"
 #include "xilinxMapParser.hpp"
 
-using namespace std;
 
-XilinxMapParser::XilinxMapParser(const string &filename,
+XilinxMapParser::XilinxMapParser(const std::string &filename,
 		uint16_t num_row, uint16_t num_col,
 		JedParser *jed, const uint32_t usercode,
 		bool verbose): ConfigBitstreamParser(filename,
@@ -61,7 +60,7 @@ int XilinxMapParser::parse()
 			} else {
 				empty = false;  // current line is not fully empty
 				int len = end_pos - prev_pos;  // section len
-				string cnt = line.substr(prev_pos, len);  // line substring
+				std::string cnt = line.substr(prev_pos, len);  // line substring
 				if (cnt[0] <= '9' && cnt[0] >= '0') {  // numeric value (index)
 					map_val = std::stoi(cnt, nullptr, 10);
 				} else {  // information (done, spare, user, ...)

src/xvc_client.cpp

@@ -25,7 +25,6 @@
 
 #include "display.hpp"
 
-using namespace std;
 
 XVC_client::XVC_client(const std::string &ip_addr, int port,
 		uint32_t clkHz, int8_t verbose):
@@ -41,7 +40,7 @@ XVC_client::XVC_client(const std::string &ip_addr, int port,
 		throw std::runtime_error("can't read info");
 
 	std::regex r("[_:]");
-	string rep((const char *)buffer);
+	std::string rep((const char *)buffer);
 
 	std::sregex_token_iterator start{ rep.begin(), rep.end(), r, -1 }, end;
 	std::vector<std::string> toto(start, end);
@@ -223,7 +222,7 @@ int XVC_client::setClkFreq(uint32_t clkHz)
 	return _clkHZ;
 }
 
-bool XVC_client::open_connection(const string &ip_addr)
+bool XVC_client::open_connection(const std::string &ip_addr)
 {
 	struct sockaddr_in addr;
 	addr.sin_family = AF_INET;
@@ -262,25 +261,21 @@ int sendall(int sock, const void* raw, size_t cnt, int flags)
 	return cnt; // success
 }
 
-ssize_t XVC_client::xfer_pkt(const string &instr,
+ssize_t XVC_client::xfer_pkt(const std::string &instr,
 		const uint8_t *tx, uint32_t tx_size,
 		uint8_t *rx, uint32_t rx_size)
 {
 	ssize_t len = tx_size;
+	std::vector<uint8_t> buffer(instr.size() + ((tx) ? tx_size : 0));
+	memcpy(buffer.data(), instr.c_str(), instr.size());
+	if (tx)
+		memcpy(buffer.data() + instr.size(), tx, tx_size);
 
-	/* 1. instruction */
-	if (sendall(_sock, instr.c_str(), instr.size(), 0) == -1) {
-		printError("Send instruction failed");
+	if (sendall(_sock, buffer.data(), buffer.size(), 0) == -1) {
+		printError("Send failed");
 		return -1;
 	}
 
-	if (tx) {
-		if (sendall(_sock, tx, tx_size, 0) == -1) {
-			printError("Send error");
-			return -1;
-		}
-	}
-
 	if (rx) {
 		len = recv(_sock, rx, rx_size, 0);
 		if (len < 0) {

src/xvc_server.cpp

@@ -20,13 +20,12 @@
 #include "cable.hpp"
 #include "display.hpp"
 
-using namespace std;
 
 XVC_server::XVC_server(int port, const cable_t & cable,
-	const jtag_pins_conf_t * pin_conf, string dev,
-	const string & serial, uint32_t clkHZ, int8_t verbose,
-	const string & ip_adr, const bool invert_read_edge,
-	const string & firmware_path):_verbose(verbose > 1),
+	const jtag_pins_conf_t * pin_conf, std::string dev,
+	const std::string & serial, uint32_t clkHZ, int8_t verbose,
+	const std::string & ip_adr, const bool invert_read_edge,
+	const std::string & firmware_path):_verbose(verbose > 1),
 			_jtag(NULL), _port(port), _sock(-1),
 			_is_stopped(false), _must_stop(false),
 			_buffer_size(2048), _state(Jtag::RUN_TEST_IDLE)
@@ -282,7 +281,7 @@ int XVC_server::handle_data(int fd)
 			if (_verbose) {
 				printInfo(std::to_string((int)time(NULL)) +
 							" : Received command: 'getinfo'");
-				printInfo("\t Replied with " + string(xvcInfo));
+				printInfo("\t Replied with " + std::string(xvcInfo));
 			}
 			break;
 		/* settck */
@@ -329,7 +328,7 @@ int XVC_server::handle_data(int fd)
 						" : Received command: 'shift'");
 			}
 		} else {
-			printError("invalid cmd '" + string(cmd) + "'");
+			printError("invalid cmd '" + std::string(cmd) + "'");
 			return 1;
 		}
 

src/xvc_server.hpp

@@ -17,14 +17,12 @@
 
 #include "jtag.hpp"
 
-using namespace std;
-
 class XVC_server {
 	public:
 		XVC_server(int port, const cable_t &cable, const jtag_pins_conf_t *pin_conf,
-			string dev, const string &serial, uint32_t clkHZ, int8_t verbose,
-			const string &ip_adr,
-			const bool invert_read_edge, const string &firmware_path);
+			std::string dev, const std::string &serial, uint32_t clkHZ, int8_t verbose,
+			const std::string &ip_adr,
+			const bool invert_read_edge, const std::string &firmware_path);
 		~XVC_server();
 
 		/*!