Add WCH CH347T(mode #3) JTAG cable
Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
This commit is contained in:
Alexey Starikovskiy
Gwenhael Goavec-Merou
parent
8ffa024a95
commit
0fc8ba10a8
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@ -53,4 +53,7 @@ ATTRS{idVendor}=="1d50", ATTRS{idProduct}=="6146", MODE="664", GROUP="plugdev",
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# orbtrace-mini dfu
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ATTRS{idVendor}=="1209", ATTRS{idProduct}=="3442", MODE="664", GROUP="plugdev", TAG+="uaccess"
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# QinHeng Electronics USB To UART+JTAG (ch347)
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ATTRS{idVendor}=="1a86", ATTRS{idProduct}=="55dd", MODE="664", GROUP="plugdev", TAG+="uaccess"
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LABEL="openfpgaloader_rules_end"
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@ -96,6 +96,7 @@ set(OPENFPGALOADER_SOURCE
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src/dfu.cpp
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src/dfuFileParser.cpp
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src/dirtyJtag.cpp
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src/ch347jtag.cpp
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src/efinix.cpp
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src/efinixHexParser.cpp
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src/fx2_ll.cpp
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@ -146,6 +147,7 @@ set(OPENFPGALOADER_HEADERS
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src/dfu.hpp
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src/dfuFileParser.hpp
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src/dirtyJtag.hpp
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src/ch347jtag.hpp
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src/efinix.hpp
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src/efinixHexParser.hpp
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src/fx2_ll.hpp
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@ -26,7 +26,15 @@ bus_blaster_b:
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URL: http://dangerousprototypes.com/docs/Bus_Blaster
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ch347_jtag:
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- Name: ch347 JTAG adapter
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Description: QinHeng Electronics USB To UART+JTAG (mode 3)
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URL: https://www.wch-ic.com/products/CH347.html
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ch552_jtag:
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- Name: ch552 JTAG adapter
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Description: Tang Nano USB-JTAG interface. FT2232C clone firmware for CH552 microcontroler
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URL: https://github.com/diodep/ch55x_jtag
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@ -276,3 +284,9 @@ jetson-nano-gpio:
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- Name: Bitbang GPIO
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Description: Bitbang GPIO pins on Jetson Nano Linux host. Use /dev/mem to have a faster clock.
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URL: https://github.com/jwatte/jetson-gpio-example
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ch347:
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- Name: CH347
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Description: CH347 is a USB HS bus converter with UART, I2C, SPI and JTAG interfaces
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URL: https://github.com/wuxx/USB-HS-Bridge
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@ -27,6 +27,7 @@ enum communication_type {
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MODE_LIBGPIOD_BITBANG, /*! Bitbang gpio pins */
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MODE_JETSONNANO_BITBANG, /*! Bitbang gpio pins */
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MODE_REMOTEBITBANG, /*! Remote Bitbang mode */
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MODE_CH347, /*! CH347 JTAG mode */
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};
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/*!
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@ -85,6 +86,7 @@ static std::map <std::string, cable_t> cable_list = {
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{"bus_blaster", FTDI_SER(0x0403, 0x6010, FTDI_INTF_A, 0x08, 0x1B, 0x08, 0x0B)},
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{"bus_blaster_b", FTDI_SER(0x0403, 0x6010, FTDI_INTF_B, 0x08, 0x0B, 0x08, 0x0B)},
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{"ch552_jtag", FTDI_SER(0x0403, 0x6010, FTDI_INTF_A, 0x08, 0x0B, 0x08, 0x0B)},
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{"ch347_jtag", CABLE_DEF(MODE_CH347, 0x1a86, 0x55dd )},
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{"cmsisdap", CMSIS_CL(0x0d28, 0x0204 )},
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{"gatemate_pgm", FTDI_SER(0x0403, 0x6014, FTDI_INTF_A, 0x10, 0x9B, 0x14, 0x17)},
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{"gatemate_evb_jtag", FTDI_SER(0x0403, 0x6010, FTDI_INTF_A, 0x10, 0x1B, 0x00, 0x01)},
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@ -0,0 +1,388 @@
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// SPDX-License-Identifier: Apache-2.0
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/*
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* Copyright (C) 2023 Alexey Starikovskiy <aystarik@gmail.com>
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*/
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#define _DEFAULT_SOURCE
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#include <libusb-1.0/libusb.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <cassert>
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#include <iostream>
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#include <map>
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#include <string>
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#include <vector>
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#include "ch347jtag.hpp"
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#include "display.hpp"
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using namespace std;
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#define CH347JTAG_VID 0x1a86
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#define CH347JTAG_PID 0x55dd
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#define CH347JTAG_INTF 2
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#define CH347JTAG_WRITE_EP 0x06
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#define CH347JTAG_READ_EP 0x86
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#define CH347JTAG_TIMEOUT 2000
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enum CH347JtagCmd {
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CMD_BYTES_WO = 0xd3,
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CMD_BYTES_WR = 0xd4,
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CMD_BITS_WO = 0xd1,
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CMD_BITS_WR = 0xd2,
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CMD_CLK = 0xd0,
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};
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enum CH347JtagSig {
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SIG_TCK = 0b1,
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SIG_TMS = 0b10,
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SIG_TDI = 0b10000,
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};
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static void sync_cb(libusb_transfer *transfer) {
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int *complete = (int *)transfer->user_data;
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*complete = true;
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}
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int CH347Jtag::usb_xfer(unsigned wlen, unsigned rlen, unsigned *ract) {
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wcomplete = 0;
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if (_verbose) {
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fprintf(stderr, "obuf[%d] = {", wlen);
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for (unsigned i = 0; i < wlen; ++i) {
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fprintf(stderr, "%02x ", obuf[i]);
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}
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fprintf(stderr, "}\n\n");
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}
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libusb_fill_bulk_transfer(wtrans, dev_handle, CH347JTAG_WRITE_EP, obuf,
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wlen, sync_cb, &wcomplete, CH347JTAG_TIMEOUT);
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int r = libusb_submit_transfer(wtrans);
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if (r < 0)
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return r;
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if (rlen) {
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rcomplete = 0;
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libusb_fill_bulk_transfer(rtrans, dev_handle, CH347JTAG_READ_EP, ibuf,
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rlen, sync_cb, &rcomplete, CH347JTAG_TIMEOUT);
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r = libusb_submit_transfer(rtrans);
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if (r < 0)
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return r;
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} else {
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rcomplete = 1;
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}
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while (!wcomplete) {
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r = libusb_handle_events_completed(usb_ctx, &wcomplete);
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if (r < 0) {
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if (r != LIBUSB_ERROR_INTERRUPTED) {
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libusb_cancel_transfer(wtrans);
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if (rlen) libusb_cancel_transfer(rtrans);
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}
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continue;
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}
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if (!wtrans->dev_handle) {
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wtrans->status = LIBUSB_TRANSFER_NO_DEVICE;
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wcomplete = 1;
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}
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}
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unsigned rdone = 0;
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wait_rcompletion:
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while (!rcomplete) {
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r = libusb_handle_events_completed(usb_ctx, &rcomplete);
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if (r < 0) {
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if (r != LIBUSB_ERROR_INTERRUPTED)
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libusb_cancel_transfer(rtrans);
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continue;
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}
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if (!rtrans->dev_handle) {
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rtrans->status = LIBUSB_TRANSFER_NO_DEVICE;
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rcomplete = 1;
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}
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}
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if (wtrans->status != LIBUSB_TRANSFER_COMPLETED) {
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return LIBUSB_ERROR_IO;
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}
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if (rlen) {
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rdone += rtrans->actual_length;
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if (rtrans->status != LIBUSB_TRANSFER_COMPLETED) {
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return LIBUSB_ERROR_IO;
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}
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if (rlen > rdone) {
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rcomplete = 0;
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libusb_fill_bulk_transfer(rtrans, dev_handle, CH347JTAG_READ_EP,
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&ibuf[rdone], rlen - rdone, sync_cb, &rcomplete,
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CH347JTAG_TIMEOUT);
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r = libusb_submit_transfer(rtrans);
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if (r < 0)
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return r;
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goto wait_rcompletion;
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}
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if (ract) *ract = rdone;
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if (_verbose) {
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fprintf(stderr, "ibuf[%d] = {", rdone);
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for (unsigned i = 0; i < rdone; ++i) {
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fprintf(stderr, "%02x ", ibuf[i]);
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}
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fprintf(stderr, "}\n\n");
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}
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}
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return 0;
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}
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int CH347Jtag::setClk(const uint8_t &factor) {
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memset(obuf, 0, 16);
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obuf[0] = CMD_CLK;
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obuf[1] = 6;
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obuf[4] = factor;
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unsigned actual = 0;
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int rv = usb_xfer(9, 4, &actual);
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if (rv || actual != 4)
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return -1;
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if (ibuf[0] != 0xd0 || ibuf[3] != 0)
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return -1;
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return 0;
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}
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CH347Jtag::CH347Jtag(uint32_t clkHZ, uint8_t verbose):
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_verbose(verbose), dev_handle(NULL), usb_ctx(NULL)
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{
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int actual_length = 0;
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struct libusb_device_descriptor desc;
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struct libusb_device *dev;
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int rv;
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if (libusb_init(&usb_ctx) < 0) {
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printError("libusb init failed");
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goto err_exit;
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}
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dev_handle = libusb_open_device_with_vid_pid(usb_ctx, CH347JTAG_VID,
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CH347JTAG_PID);
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if (!dev_handle) {
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printError("fails to open device");
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goto usb_exit;
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}
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dev = libusb_get_device(dev_handle);
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if (!dev) {
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printError("Couldnt get bus number and address of device");
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goto usb_exit;
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}
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rv = libusb_get_device_descriptor(dev, &desc);
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if (rv < 0) {
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printError("failed to get device descriptor");
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goto usb_exit;
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}
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if (desc.bcdDevice < 0x241) {
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printWarn("Old version of the chip, JTAG might not work");
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}
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if (libusb_set_auto_detach_kernel_driver(dev_handle, true)) {
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printError("libusb error wrile setting auto-detach of kernel driver");
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goto usb_exit;
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}
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if (libusb_claim_interface(dev_handle, CH347JTAG_INTF)) {
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printError("libusb error while claiming CH347JTAG interface");
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goto usb_close;
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}
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rtrans = libusb_alloc_transfer(0);
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wtrans = libusb_alloc_transfer(0);
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if (!rtrans || !wtrans) {
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printError("libusb failed to alloc transfers");
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goto usb_release;
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}
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libusb_bulk_transfer(dev_handle, CH347JTAG_READ_EP, ibuf, 512,
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&actual_length, CH347JTAG_TIMEOUT);
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setClkFreq(clkHZ);
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return;
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usb_release:
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libusb_release_interface(dev_handle, CH347JTAG_INTF);
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usb_close:
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libusb_close(dev_handle);
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usb_exit:
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libusb_exit(usb_ctx);
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err_exit:
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throw std::exception();
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}
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CH347Jtag::~CH347Jtag()
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{
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if (rtrans) libusb_free_transfer(rtrans);
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if (wtrans) libusb_free_transfer(wtrans);
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if (dev_handle) {
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libusb_release_interface(dev_handle, CH347JTAG_INTF);
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libusb_close(dev_handle);
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dev_handle = 0;
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}
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if (usb_ctx) {
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libusb_exit(usb_ctx);
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usb_ctx = 0;
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}
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}
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int CH347Jtag::setClkFreq(uint32_t clkHZ)
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{
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unsigned i = 0, sl = 2000000;
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if (clkHZ <= 2000000) {
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_clkHZ = 2000000;
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i = 0;
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} else {
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for (; i < 5; ++i, sl *= 2) {
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if (clkHZ < sl) break;
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_clkHZ = sl;
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}
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i--;
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}
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if (setClk(i)) {
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printError("failed to set clock rate");
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return 0;
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}
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char mess[256];
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snprintf(mess, 256, "JTAG TCK frequency set to %d MHz\n\n", _clkHZ/1000000);
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printInfo(mess);
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return _clkHZ;
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}
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int CH347Jtag::writeTMS(uint8_t *tms, uint32_t len, bool flush_buffer)
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{
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(void) flush_buffer;
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uint8_t *ptr = obuf;
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for (uint32_t i = 0; i < len; ++i) {
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if (ptr == obuf) {
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*ptr++ = CMD_BITS_WO;
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ptr += 2; // leave place for length;
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}
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uint8_t x = /*SIG_TDI |*/ ((tms[i >> 3] & (1 << (i & 7))) ? SIG_TMS : 0);
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*ptr++ = x;
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*ptr++ = x | SIG_TCK;
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unsigned wlen = ptr - obuf;
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if (wlen > sizeof(obuf) - 3 || i == len - 1) {
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*ptr++ = x; // clear TCK
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++wlen;
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obuf[1] = wlen - 3;
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obuf[2] = (wlen - 3) >> 8;
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int ret = usb_xfer(wlen, 0, 0);
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if (ret < 0) {
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cerr << "writeTMS: usb bulk write failed: " << libusb_strerror(ret) << endl;
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return -EXIT_FAILURE;
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}
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ptr = obuf;
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}
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}
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return len;
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}
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int CH347Jtag::toggleClk(uint8_t tms, uint8_t tdi, uint32_t len)
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{
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uint8_t bits = 0;
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if (tms) bits |= SIG_TMS;
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if (tdi) bits |= SIG_TDI;
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uint8_t *ptr = obuf;
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for (uint32_t i = 0; i < len; ++i) {
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if (ptr == obuf) {
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*ptr++ = CMD_BITS_WO;
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ptr += 2; // leave place for length;
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}
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*ptr++ = bits;
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*ptr++ = bits | SIG_TCK;
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unsigned wlen = ptr - obuf;
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if (wlen > sizeof(obuf) - 3 || i == len - 1) {
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*ptr++ = bits; // clear TCK
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++wlen;
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obuf[1] = wlen - 3;
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obuf[2] = (wlen - 3) >> 8;
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int ret = usb_xfer(wlen, 0, 0);
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if (ret < 0) {
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cerr << "writeCLK: usb bulk write failed: " << libusb_strerror(ret) << endl;
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return -EXIT_FAILURE;
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}
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ptr = obuf;
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}
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}
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return EXIT_SUCCESS;
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}
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int CH347Jtag::writeTDI(uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
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{
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if (!tx || !len)
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return 0;
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unsigned bytes = (len - ((end)?1:0)) / 8;
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unsigned bits = len - bytes * 8;
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uint8_t *rptr = rx;
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uint8_t *tptr = tx;
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uint8_t *txend = &tx[bytes];
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uint8_t cmd = (rx) ? CMD_BYTES_WR : CMD_BYTES_WO;
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while (tptr < txend) {
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unsigned avail = sizeof(obuf) - 3;
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unsigned chunk = (txend - tptr < avail)? txend - tptr: avail;
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memcpy(&obuf[3], tptr, chunk);
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tptr += chunk;
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// write header
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obuf[0] = cmd;
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obuf[1] = chunk;
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obuf[2] = chunk >> 8;
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unsigned actual_length = 0;
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int ret = usb_xfer(chunk + 3, (rx) ? chunk + 3 : 0, &actual_length);
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if (ret < 0) {
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cerr << "writeTDI: usb bulk read failed: " << libusb_strerror(ret) << endl;
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return -EXIT_FAILURE;
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}
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if (!rx)
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continue;
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unsigned size = ibuf[1] + ibuf[2] * 0x100;
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if (ibuf[0] != CMD_BYTES_WR || actual_length - 3 != size) {
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cerr << "writeTDI: invalid read data: " << ret << endl;
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return -EXIT_FAILURE;
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}
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memcpy(rptr, &ibuf[3], size);
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rptr += size;
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}
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unsigned actual_length;
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if (bits == 0)
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return EXIT_SUCCESS;
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cmd = (rx) ? CMD_BITS_WR : CMD_BITS_WO;
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uint8_t *ptr = &obuf[3];
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uint8_t x = 0;
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uint8_t *bptr = &tx[bytes];
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for (unsigned i = 0; i < bits; ++i) {
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uint8_t txb = bptr[i >> 3];
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uint8_t _tdi = (txb & (1 << (i & 7))) ? SIG_TDI : 0;
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x = _tdi;
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if (end && i == bits - 1) {
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x |= SIG_TMS;
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}
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*ptr++ = x;
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*ptr++ = x | SIG_TCK;
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}
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*ptr++ = x & ~SIG_TCK;
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unsigned wlen = ptr - obuf;
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obuf[0] = cmd;
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obuf[1] = wlen - 3;
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obuf[2] = (wlen - 3) >> 8;
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int ret = usb_xfer(wlen, (rx) ? (bits + 3) : 0, &actual_length);
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if (ret < 0) {
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cerr << "writeTDI: usb bulk read failed: " << libusb_strerror(ret) << endl;
|
||||
return -EXIT_FAILURE;
|
||||
}
|
||||
if (!rx)
|
||||
return EXIT_SUCCESS;
|
||||
|
||||
unsigned size = ibuf[1] + ibuf[2] * 0x100;
|
||||
|
||||
if (ibuf[0] != CMD_BITS_WR || actual_length - 3 != size) {
|
||||
cerr << "writeTDI: invalid read data: " << endl;
|
||||
return -EXIT_FAILURE;
|
||||
}
|
||||
for (unsigned i = 0; i < size / 16; ++i) {
|
||||
uint8_t b = 0;
|
||||
uint8_t *xb = &ibuf[3 + i * 16 + 1];
|
||||
for (unsigned j = 0; j < 8; ++j)
|
||||
b |= (xb[j] & 1) << j;
|
||||
*rptr++ = b;
|
||||
}
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
// SPDX-License-Identifier: Apache-2.0
|
||||
/*
|
||||
* Copyright (C) 2023 Alexey Starikovskiy <aystarik@gmail.com>
|
||||
*/
|
||||
#pragma once
|
||||
|
||||
#include <libusb.h>
|
||||
|
||||
#include "jtagInterface.hpp"
|
||||
|
||||
class CH347Jtag : public JtagInterface {
|
||||
public:
|
||||
CH347Jtag(uint32_t clkHZ, uint8_t verbose);
|
||||
virtual ~CH347Jtag();
|
||||
|
||||
int setClkFreq(uint32_t clkHZ) override;
|
||||
|
||||
/* TMS */
|
||||
int writeTMS(uint8_t *tms, uint32_t len, bool flush_buffer) override;
|
||||
/* TDI */
|
||||
int writeTDI(uint8_t *tx, uint8_t *rx, uint32_t len, bool end) override;
|
||||
/* clk */
|
||||
int toggleClk(uint8_t tms, uint8_t tdo, uint32_t clk_len) override;
|
||||
|
||||
int get_buffer_size() override { return 0;}
|
||||
|
||||
bool isFull() override { return false;}
|
||||
|
||||
int flush() override {return 0;}
|
||||
|
||||
private:
|
||||
uint8_t _verbose;
|
||||
int setClk(const uint8_t &factor);
|
||||
|
||||
libusb_device_handle *dev_handle;
|
||||
libusb_context *usb_ctx;
|
||||
struct libusb_transfer *wtrans, *rtrans;
|
||||
int rcomplete, wcomplete;
|
||||
uint8_t ibuf[512];
|
||||
uint8_t obuf[512];
|
||||
int usb_xfer(unsigned wlen, unsigned rlen, unsigned *actual);
|
||||
};
|
||||
|
|
@ -8,6 +8,7 @@
|
|||
#include <iostream>
|
||||
#include <map>
|
||||
#include <sstream>
|
||||
#include <unistd.h>
|
||||
#include <vector>
|
||||
#include <string>
|
||||
|
||||
|
|
@ -28,6 +29,7 @@
|
|||
#include "cmsisDAP.hpp"
|
||||
#endif
|
||||
#include "dirtyJtag.hpp"
|
||||
#include "ch347jtag.hpp"
|
||||
#include "part.hpp"
|
||||
#ifdef ENABLE_REMOTEBITBANG
|
||||
#include "remoteBitbang_client.hpp"
|
||||
|
|
@ -111,6 +113,9 @@ void Jtag::init_internal(const cable_t &cable, const string &dev, const string &
|
|||
case MODE_CH552_JTAG:
|
||||
_jtag = new CH552_jtag(cable, dev, serial, clkHZ, _verbose);
|
||||
break;
|
||||
case MODE_CH347:
|
||||
_jtag = new CH347Jtag(clkHZ, _verbose);
|
||||
break;
|
||||
case MODE_DIRTYJTAG:
|
||||
_jtag = new DirtyJtag(clkHZ, _verbose);
|
||||
break;
|
||||
|
|
|
|||
Loading…
Reference in New Issue