diff --git a/notes.txt b/notes.txt deleted file mode 100644 index dafe096..0000000 --- a/notes.txt +++ /dev/null @@ -1,10 +0,0 @@ -to build with mingw: -PATH=$PATH:/p/fpga/fpgalink/install/bin -mkdir build -cd build -cmake -G "MinGW Makefiles" .. -DENABLE_FPGALINK=ON //-DCMAKE_BUILD_TYPE=Debug -cmake --build . - -running in cmd window: -set path=%path%;p:\fpga\fpgalink\install\bin;P:\msys2-64\mingw32\bin -openFPGALoader.exe -c fx2 --pins D1:A6:D3:D2 --detect \ No newline at end of file diff --git a/src/dirtyJtag-teensy.cpp b/src/dirtyJtag-teensy.cpp deleted file mode 100644 index e9e8767..0000000 --- a/src/dirtyJtag-teensy.cpp +++ /dev/null @@ -1,367 +0,0 @@ -/* - * Copyright (C) 2020 Gwenhael Goavec-Merou - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -#include -#include -#include - -#include -#include -#include -#include -#include - -#include "dirtyJtag.hpp" -#include "display.hpp" - -using namespace std; - -//#define DIRTY_JTAG_TEENSY_4 - -#ifdef DIRTY_JTAG_TEENSY_4 - -#define DIRTYJTAG_VID 0x16C0 -#define DIRTYJTAG_PID 0x1485 - -#define DIRTYJTAG_INTF 0 -#define DIRTYJTAG_WRITE_EP 0x2 -#define DIRTYJTAG_READ_EP 0x82 - -#else -#define DIRTYJTAG_VID 0x1209 -#define DIRTYJTAG_PID 0xC0CA - -#define DIRTYJTAG_INTF 0 -#define DIRTYJTAG_WRITE_EP 0x01 -#define DIRTYJTAG_READ_EP 0x82 -#endif - - -enum dirtyJtagCmd { - CMD_STOP = 0x00, - CMD_INFO = 0x01, - CMD_FREQ = 0x02, - CMD_XFER = 0x03, - CMD_SETSIG = 0x04, - CMD_GETSIG = 0x05, - CMD_CLK = 0x06 -}; - -//Modifiers applicable only to DirtyJTAG2 -enum CommandModifier { - EXTEND_LENGTH = 0x40, - NO_READ = 0x80 -}; - -enum dirtyJtagSig { - SIG_TCK = (1 << 1), - SIG_TDI = (1 << 2), - SIG_TDO = (1 << 3), - SIG_TMS = (1 << 4) -}; - -DirtyJtag::DirtyJtag(uint32_t clkHZ, bool verbose): - _verbose(verbose), - dev_handle(NULL), usb_ctx(NULL), _tdi(0), _tms(0) -{ - int ret; - - if (libusb_init(&usb_ctx) < 0) { - cerr << "libusb init failed" << endl; - throw std::exception(); - } - - dev_handle = libusb_open_device_with_vid_pid(usb_ctx, - DIRTYJTAG_VID, DIRTYJTAG_PID); - if (!dev_handle) { - cerr << "fails to open device" << endl; - libusb_exit(usb_ctx); - throw std::exception(); - } - - ret = libusb_claim_interface(dev_handle, DIRTYJTAG_INTF); - if (ret) { - cerr << "libusb error while claiming DirtyJTAG interface" << endl; - libusb_close(dev_handle); - libusb_exit(usb_ctx); - throw std::exception(); - } - - _version = 0; - getVersion(); - - if (setClkFreq(clkHZ) < 0) { - cerr << "Fail to set frequency" << endl; - throw std::exception(); - } -} - -DirtyJtag::~DirtyJtag() -{ - if (dev_handle) - libusb_close(dev_handle); - if (usb_ctx) - libusb_exit(usb_ctx); -} - -void DirtyJtag::getVersion() -{ - int actual_length; - int ret; - uint8_t buf[] = {CMD_INFO, - CMD_STOP}; - uint8_t rx_buf[64]; - ret = libusb_bulk_transfer(dev_handle, DIRTYJTAG_WRITE_EP, - buf, 2, &actual_length, 1000); - if (ret < 0) { - cerr << "getVersion: usb bulk write failed " << ret << endl; - return; - } - do { - ret = libusb_bulk_transfer(dev_handle, DIRTYJTAG_READ_EP, - rx_buf, 64, &actual_length, 1000); - if (ret < 0) { - cerr << "getVersion: read: usb bulk read failed " << ret << endl; - return; - } - } while (actual_length == 0); - if (!strncmp("DJTAG1\n", (char*)rx_buf, 7)) { - _version = 1; - } else if (!strncmp("DJTAG2\n", (char*)rx_buf, 7)) { - _version = 2; - } else if (!strncmp("DJTAG3\n", (char*)rx_buf, 7)) { - _version = 3; - } else { - cerr << "dirtyJtag version unknown" << endl; - _version = 0; - } -} - - - -int DirtyJtag::setClkFreq(uint32_t clkHZ) -{ - int actual_length; - int ret, req_freq = clkHZ; - - if (clkHZ > 16000000) { - printWarn("DirtyJTAG probe limited to 16000kHz"); - clkHZ = 16000000; - } - - printInfo("Jtag frequency : requested " + std::to_string(req_freq) + - "Hz -> real " + std::to_string(clkHZ) + "Hz"); - - uint8_t buf[] = {CMD_FREQ, - static_cast(0xff & ((clkHZ / 1000) >> 8)), - static_cast(0xff & ((clkHZ / 1000) )), - CMD_STOP}; - ret = libusb_bulk_transfer(dev_handle, DIRTYJTAG_WRITE_EP, - buf, 4, &actual_length, 1000); - if (ret < 0) { - cerr << "setClkFreq: usb bulk write failed " << ret << endl; - return -EXIT_FAILURE; - } - - return clkHZ; -} - -int DirtyJtag::writeTMS(uint8_t *tms, int len, bool flush_buffer) -{ - (void) flush_buffer; - - if (len == 0) - return 0; - - for (int i = 0; i < len; i++) { - bool val = (tms[i >> 3] & (1 << (i & 0x07))); - sendBitBang(SIG_TMS, ((val)?SIG_TMS : 0), NULL, (i == len-1)); - } - return len; -} - -int DirtyJtag::toggleClk(uint8_t tms, uint8_t tdi, uint32_t clk_len) -{ - int actual_length; - uint8_t buf[] = {CMD_CLK, - static_cast(((tms) ? SIG_TMS : 0) | ((tdi) ? SIG_TDI : 0)), - 0, - CMD_STOP}; - while (clk_len > 0) { - buf[2] = (clk_len > 64) ? 64 : (uint8_t)clk_len; - - int ret = libusb_bulk_transfer(dev_handle, DIRTYJTAG_WRITE_EP, - buf, 4, &actual_length, 1000); - if (ret < 0) { - cerr << "toggleClk: usb bulk write failed " << ret << endl; - return -EXIT_FAILURE; - } - clk_len -= buf[2]; - } - - return EXIT_SUCCESS; -} - -int DirtyJtag::flush() -{ - return 0; -} - -int DirtyJtag::writeTDI(uint8_t *tx, uint8_t *rx, uint32_t len, bool end) -{ - int actual_length; - uint32_t real_bit_len = len - (end ? 1 : 0); - uint32_t real_byte_len = (len + 7) / 8; - - uint8_t tx_cpy[real_byte_len]; - uint8_t tx_buf[512], rx_buf[512]; - uint8_t *tx_ptr = tx, *rx_ptr = rx; - - if (tx) - memcpy(tx_cpy, tx, real_byte_len); - else - memset(tx_cpy, 0, real_byte_len); - tx_ptr = tx_cpy; - - tx_buf[0] = CMD_XFER | ((rx || (_version <= 1)) ? 0 : NO_READ); - uint16_t max_bit_transfer_length = (uint16_t[]){240, 496, 4000}[_version -1]; - assert(max_bit_transfer_length %8 == 0);//need to cut the bits on byte size. - while (real_bit_len != 0) { - uint16_t bit_to_send = (real_bit_len > max_bit_transfer_length) ? max_bit_transfer_length : real_bit_len; - size_t byte_to_send = (bit_to_send + 7) / 8; - size_t header_offset = 0; - if (_version == 3) { - tx_buf[1] = (bit_to_send >> 8) & 0xFF; - tx_buf[2] = bit_to_send & 0xFF; - header_offset = 3; - } else if (bit_to_send > 255) { - tx_buf[0] |= EXTEND_LENGTH; - tx_buf[1] = bit_to_send - 256; - header_offset = 2; - }else { - tx_buf[0] &= ~EXTEND_LENGTH; - tx_buf[1] = bit_to_send; - header_offset = 2; - } - memset(tx_buf + header_offset, 0, byte_to_send); - for (int i = 0; i < bit_to_send; i++) - if (tx_ptr[i >> 3] & (1 << (i & 0x07))) - tx_buf[header_offset + (i >> 3)] |= (0x80 >> (i & 0x07)); - - actual_length = 0; - int ret = libusb_bulk_transfer(dev_handle, DIRTYJTAG_WRITE_EP, - (unsigned char *)tx_buf, (byte_to_send + header_offset), &actual_length, 1000); - if ((ret < 0) || (actual_length != (int)(byte_to_send + header_offset))) { - cerr << "writeTDI: fill: usb bulk write failed " << ret << "actual length: " << actual_length << endl; - return EXIT_FAILURE; - } - //cerr << actual_length << ", " << bit_to_send << endl; - - if (rx || (_version <= 1)) { - int transfer_length = (bit_to_send > 255) ? byte_to_send :32; - do { - ret = libusb_bulk_transfer(dev_handle, DIRTYJTAG_READ_EP, - rx_buf, transfer_length, &actual_length, 1000); - if (ret < 0) { - cerr << "writeTDI: read: usb bulk read failed " << ret << endl; - return EXIT_FAILURE; - } - } while (actual_length == 0); - assert((size_t)actual_length >= byte_to_send); - } - - if (rx) { - for (int i = 0; i < bit_to_send; i++) - rx_ptr[i >> 3] = (rx_ptr[i >> 3] >> 1) | - (((rx_buf[i >> 3] << (i&0x07)) & 0x80)); - rx_ptr += byte_to_send; - } - - real_bit_len -= bit_to_send; - tx_ptr += byte_to_send; - } - - /* this step exist only with [D|I]R_SHIFT */ - if (end) { - int pos = len-1; - uint8_t sig; - unsigned char last_bit = - (tx_cpy[pos >> 3] & (1 << (pos & 0x07))) ? SIG_TDI: 0; - - if (sendBitBang(SIG_TMS | SIG_TDI, - SIG_TMS | (last_bit), (rx ? &sig : 0), true) != 0) { - cerr << "writeTDI: last bit error" << endl; - return -EXIT_FAILURE; - } - - if (rx) { - rx[pos >> 3] >>= 1; - if (sig & SIG_TDO) { - rx[pos >> 3] |= (1 << (pos & 0x07));; - } - } - } - return EXIT_SUCCESS; -} - -int DirtyJtag::sendBitBang(uint8_t mask, uint8_t val, uint8_t *read, bool last) -{ - int actual_length; - mask |= SIG_TCK; - uint8_t buf[] = { CMD_SETSIG, - static_cast(mask), - static_cast(val), - CMD_SETSIG, - static_cast(mask), - static_cast(val | SIG_TCK), - CMD_STOP}; - - if (libusb_bulk_transfer(dev_handle, DIRTYJTAG_WRITE_EP, - buf, 7, &actual_length, 1000) < 0) { - cerr << "sendBitBang: usb bulk write failed 1" << endl; - return -EXIT_FAILURE; - } - - if (read) { - uint8_t rd_buf[] = {CMD_GETSIG, CMD_STOP}; - if (libusb_bulk_transfer(dev_handle, DIRTYJTAG_WRITE_EP, - rd_buf, 2, &actual_length, 1000) < 0) { - cerr << "sendBitBang: usb bulk write failed 3" << endl; - return -EXIT_FAILURE; - } - - do { - if (libusb_bulk_transfer(dev_handle, DIRTYJTAG_READ_EP, - read, 1, &actual_length, 1000) < 0) { - cerr << "sendBitBang: usb bulk read failed 4" << endl; - return -EXIT_FAILURE; - } - } while (actual_length == 0); - } - - if (last) { - buf[2] &= ~SIG_TCK; - buf[3] = CMD_STOP; - if (libusb_bulk_transfer(dev_handle, DIRTYJTAG_WRITE_EP, - buf, 4, &actual_length, 1000) < 0) { - cerr << "sendBitBang usb bulk write failed" << endl; - return -EXIT_FAILURE; - } - } - - return EXIT_SUCCESS; -}