main: added detect_flash in SPI Mode and with a manufacturer

src/ftdipp_mpsse.cpp

@@ -173,7 +173,7 @@ void FTDIpp_MPSSE::open_device(const std::string &serial, unsigned int baudrate)
 		throw std::runtime_error(err);
 	}
 
-	if (_bus == 0 || _addr == 0)
+	if (_bus == 0 && _addr == 0)
 		ret = ftdi_usb_open_desc_index(_ftdi, _vid, _pid, NULL, serial.empty() ? NULL : serial.c_str(), _index);
 	else
 #if (FTDI_VERSION < 104)

src/ice40.hpp

@@ -24,6 +24,9 @@ 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 protect_flash(uint32_t len) override;
 		bool unprotect_flash() override;
 		bool bulk_erase_flash() override;

src/libusb_ll.cpp

@@ -57,7 +57,7 @@ int libusb_ll::get_devices_list(const cable_t *cable)
 		bus_addr = cable->bus_addr;
 		device_addr = cable->device_addr;
 		vid_pid_filter = (vid != 0) && (pid != 0);
-		bus_dev_filter = (bus_addr != 0) && (device_addr != 0);
+		bus_dev_filter = ~(bus_addr == 0 && device_addr == 0);
 	}
 
 	int i = 0;

src/main.cpp

@@ -305,7 +305,10 @@ int main(int argc, char **argv)
 			} else if ((args.prg_type == Device::WR_FLASH ||
 						args.prg_type == Device::WR_SRAM) ||
 						!args.bit_file.empty() || !args.file_type.empty()) {
-				target->program(args.offset, args.unprotect_flash);
+				if (args.detect_flash)
+					target->detect_flash();
+				else
+					target->program(args.offset, args.unprotect_flash);
 			}
 			if (args.unprotect_flash && args.bit_file.empty())
 				if (!target->unprotect_flash())