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cmsisdap: add support for USB Bulk backend

This commit is contained in:
aisuneko icecat 2026-05-01 23:18:26 +08:00
parent 212a025de8
commit eebf25b85e
4 changed files with 439 additions and 71 deletions
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476
src/cmsisDAP.cpp
View File

@ -3,6 +3,8 @@
* Copyright (c) 2021 Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
*/
#include <cstdint>
#include <cstring>
#include <hidapi.h>
#include <libusb.h>
#include <stdio.h>
@ -87,15 +89,76 @@ enum cmsisdap_status {
DAP_ERROR = 0xff
};
CmsisDAP::CmsisDAP(const cable_t &cable, int index, int8_t verbose):_verbose(verbose>0),
_device_idx(0), _vid(cable.vid), _pid(cable.pid),
_serial_number(L""), _dev(NULL), _num_tms(0), _is_connect(false)
CmsisDAP::CmsisDAP(const cable_t &cable, int index, uint32_t clkHZ, int8_t verbose, int backend):_verbose(verbose>0),
_device_idx(0), _vid(cable.vid), _pid(cable.pid), _serial_number(L""),
_hid_dev(NULL), _usb_dev(NULL), _ctx(NULL), _packet_size(0),
_ep_in(0), _ep_out(0), _num_tms(0), _is_connect(false), _backend(backend)
{
std::vector<struct hid_device_info *> dev_found;
_ll_buffer = (unsigned char *)malloc(sizeof(unsigned char) * 65);
_ll_buffer = (unsigned char *)malloc(sizeof(unsigned char) * 1024);
if (!_ll_buffer)
throw std::runtime_error("internal buffer allocation failed");
_buffer = _ll_buffer+2;
switch (backend){
case BACKEND_HID:
initWithHID(cable, index, verbose);
break;
case BACKEND_USBBULK:
initWithBulk(cable, verbose);
break;
case BACKEND_AUTOSELECT:
char t[256];
try {
_backend = BACKEND_HID;
initWithHID(cable, index, verbose);
break;
} catch (std::runtime_error const& e) {
snprintf(t, sizeof(t), "try HID init but failed with: %s", e.what());
printInfo(t);
}
try {
_backend = BACKEND_USBBULK;
initWithBulk(cable, verbose);
break;
} catch (std::runtime_error const& e) {
snprintf(t, sizeof(t), "try USB bulk init but failed with: %s", e.what());
printInfo(t);
}
throw std::runtime_error("Error: no USB backend available");
break;
default:
throw std::runtime_error("Error: unknown USB backend");
break;
}
if (clkHZ > 0)
setClkFreq(clkHZ);
}
CmsisDAP::~CmsisDAP()
{
/* disconnect and close device
* and free context
*/
switch(_backend){
case BACKEND_HID:
if (_is_connect)
dapDisconnect();
if (_hid_dev)
hid_close(_hid_dev);
hid_exit();
break;
case BACKEND_USBBULK:
libusb_close(_usb_dev);
libusb_exit(_ctx);
break;
default:
break;
}
if (_ll_buffer)
free(_ll_buffer);
}
void CmsisDAP::initWithHID(const cable_t &cable, int index, int8_t verbose){
std::vector<struct hid_device_info *> dev_found;
/* only hid support */
struct hid_device_info *devs, *cur_dev;
@ -157,11 +220,13 @@ CmsisDAP::CmsisDAP(const cable_t &cable, int index, int8_t verbose):_verbose(ver
/* store params about device to use */
_vid = dev_found[_device_idx]->vendor_id;
_pid = dev_found[_device_idx]->product_id;
_vendor = dev_found[_device_idx]->manufacturer_string;
_product_name = dev_found[_device_idx]->product_string;
if (dev_found[_device_idx]->serial_number != NULL)
_serial_number = std::wstring(dev_found[_device_idx]->serial_number);
/* open the device */
_dev = hid_open_path(dev_found[_device_idx]->path);
if (!_dev) {
_hid_dev = hid_open_path(dev_found[_device_idx]->path);
if (!_hid_dev) {
throw std::runtime_error(
std::string("Couldn't open device. Check permissions for ") + dev_found[_device_idx]->path);
}
@ -206,7 +271,7 @@ CmsisDAP::CmsisDAP(const cable_t &cable, int index, int8_t verbose):_verbose(ver
memset(_buffer, 0, 63);
int res = read_info(INFO_ID_HWCAP, _buffer, 63);
if (res < 0) {
hid_close(_dev);
hid_close(_hid_dev);
hid_exit();
char t[256];
snprintf(t, sizeof(t), "Error %d for command %d\n", res, INFO_ID_HWCAP);
@ -216,34 +281,260 @@ CmsisDAP::CmsisDAP(const cable_t &cable, int index, int8_t verbose):_verbose(ver
if (verbose)
printf("Hardware cap %02x %02x %02x\n", _buffer[0], _buffer[1], _buffer[2]);
if (!(_buffer[2] & (1 << 1))) {
hid_close(_dev);
hid_close(_hid_dev);
hid_exit();
throw std::runtime_error("JTAG is not supported by the probe");
}
/* send connect */
if (dapConnect() != 1) {
hid_close(_dev);
hid_close(_hid_dev);
hid_exit();
throw std::runtime_error("DAP connection in JTAG mode failed");
}
printInfo("HID init successful");
}
CmsisDAP::~CmsisDAP()
{
/* disconnect and close device
* and free context
*/
if (_is_connect)
dapDisconnect();
if (_dev)
hid_close(_dev);
hid_exit();
void CmsisDAP::initWithBulk(const cable_t &cable, int8_t verbose){
struct libusb_device **devs, *cur_dev;
if (_ll_buffer)
free(_ll_buffer);
if (libusb_init(&_ctx) != 0){
throw std::runtime_error("libusb init failed");
}
int devs_len = libusb_get_device_list(_ctx, &devs);
if (devs_len <= 0) {
libusb_exit(_ctx);
throw std::runtime_error("No device found");
}
std::vector<struct libusb_device_descriptor *> devs_desc;
for(int i = 0; i < devs_len; i++){
struct libusb_device *dev = devs[i];
struct libusb_device_descriptor dev_desc;
if(libusb_get_device_descriptor(dev, &dev_desc) != 0){
printWarn("could not get device descriptor for device " + std::to_string(i));
continue;
}
if(dev_desc.idVendor == cable.vid && dev_desc.idProduct == cable.pid){
devs_desc.push_back(&dev_desc);
cur_dev = dev;
break;
}
}
if (devs_desc.size() <= 0) {
libusb_exit(_ctx);
throw std::runtime_error(
"Error: failed to find compatiable device from list");
}
if (devs_desc.size() > 1) {
libusb_exit(_ctx);
throw std::runtime_error(
"Error: more than one device. Please provide VID/PID");
}
printInfo("Found " + std::to_string(devs_desc.size()) + " compatible device:");
for (size_t i = 0; i < devs_desc.size(); i++) {
char val[256];
snprintf(val, sizeof(val), "\t0x%04x 0x%04x",
devs_desc[i]->idVendor,
devs_desc[i]->idProduct);
// TODO: retrieve product and vendor strings right here, if possible
printInfo(val);
}
libusb_device_descriptor *cur_desc = devs_desc[_device_idx];
_vid = cur_desc->idVendor;
_pid = cur_desc->idProduct;
/* open the device */
int ret = libusb_open(cur_dev, &_usb_dev);
if (ret != 0 || !_usb_dev) {
char t[256];
snprintf(t, sizeof(t), "Could not open device 0x%04x:0x%04x", _vid, _pid);
throw std::runtime_error(t);
}
char serial[256] = {0};
if(libusb_get_string_descriptor_ascii(_usb_dev, cur_desc->iSerialNumber, (uint8_t *) serial, sizeof(serial)) < 0){
char t[256];
snprintf(t, sizeof(t), "could not read serial number for device 0x%04x:0x%04x", _vid, _pid);
printWarn(t);
} else {
_serial_number = std::wstring(serial, serial + std::strlen(serial));
}
char vendor[256] = {0};
if(libusb_get_string_descriptor_ascii(_usb_dev, cur_desc->iManufacturer, (uint8_t *) vendor, sizeof(vendor)) < 0){
char t[256];
snprintf(t, sizeof(t), "could not read serial number for device 0x%04x:0x%04x", _vid, _pid);
printWarn(t);
} else {
_vendor = std::wstring(vendor, vendor + std::strlen(vendor));
}
char product_string[256] = {0};
if(libusb_get_string_descriptor_ascii(_usb_dev, cur_desc->iProduct, (uint8_t *) product_string, sizeof(product_string)) < 0){
char t[256];
snprintf(t, sizeof(t), "could not read product string for device 0x%04x:0x%04x", _vid, _pid);
printWarn(t);
} else {
_product_name = std::wstring(product_string, product_string + std::strlen(product_string));
if (!std::strstr(product_string, "CMSIS-DAP")){
// CMSIS-DAP spec mandates that the string "CMSIS-DAP" is present in the product string
char t[256];
snprintf(t, sizeof(t), "device 0x%04x:0x%04x does not appear to be a CMSIS-DAP device", _vid, _pid);
throw std::runtime_error(t);
}
}
for (int config = 0; config < cur_desc->bNumConfigurations; config++) {
struct libusb_config_descriptor *config_desc;
if (libusb_get_config_descriptor(cur_dev, config, &config_desc) != 0) {
char t[256];
snprintf(t, sizeof(t), "could not get configuration descriptor %d for device 0x%04x:0x%04x", config, _vid, _pid);
printError(t);
continue;
}
int config_num = config_desc->bConfigurationValue;
const struct libusb_interface_descriptor *intf_desc_found = NULL;
for (int interface = 0; interface < config_desc->bNumInterfaces; interface++) {
const struct libusb_interface_descriptor *intf_desc = &config_desc->interface[interface].altsetting[0];
int interface_num = intf_desc->bInterfaceNumber;
/* Search for "CMSIS-DAP" in the interface string */
bool interface_str_valid = false;
if (intf_desc->iInterface != 0) {
char interface_str[256] = {0};
if(libusb_get_string_descriptor_ascii(_usb_dev, intf_desc->iInterface, (uint8_t *)interface_str, sizeof(interface_str)) < 0){
char t[256];
snprintf(t, sizeof(t), "could not read interface string for device 0x%04x:0x%04x", _vid, _pid);
printWarn(t);
} else if (!std::strstr(interface_str, "CMSIS-DAP")){
interface_str_valid = true;
}
}
if (intf_desc->bNumEndpoints < 2 ||
(intf_desc->endpoint[0].bmAttributes & 3) != LIBUSB_TRANSFER_TYPE_BULK ||
(intf_desc->endpoint[0].bEndpointAddress & 0x80) != LIBUSB_ENDPOINT_OUT ||
(intf_desc->endpoint[1].bmAttributes & 3) != LIBUSB_TRANSFER_TYPE_BULK ||
(intf_desc->endpoint[1].bEndpointAddress & 0x80) != LIBUSB_ENDPOINT_IN){
continue;
}
if (intf_desc->bInterfaceClass != LIBUSB_CLASS_VENDOR_SPEC ||
intf_desc->bInterfaceSubClass != 0 || intf_desc->bInterfaceProtocol != 0) {
/* If the interface is reliably identified
* then we need not insist on setting USB class, subclass and protocol
* exactly as the specification requires.
* Just filter out the well known classes, mainly CDC and MSC.
* At least KitProg3 uses class 0 contrary to the specification */
char t[256];
if (interface_str_valid &&
(intf_desc->bInterfaceClass == 0 || intf_desc->bInterfaceClass > 0x12)) {
snprintf(t, sizeof(t), "Using interface %d with wrong class %d, subclass %d or protocol %d",
interface_num,
intf_desc->bInterfaceClass,
intf_desc->bInterfaceSubClass,
intf_desc->bInterfaceProtocol);
printWarn(t);
} else {
continue;
}
}
intf_desc_found = intf_desc;
}
if (!intf_desc_found) {
libusb_free_config_descriptor(config_desc);
char t[256];
snprintf(t, sizeof(t), "could not find correct interface descriptor for device 0x%04x:0x%04x", _vid, _pid);
printError(t);
continue;
}
int interface_num = intf_desc_found->bInterfaceNumber;
_packet_size = intf_desc_found->endpoint[0].wMaxPacketSize;
_ep_out = intf_desc_found->endpoint[0].bEndpointAddress;
_ep_in = intf_desc_found->endpoint[1].bEndpointAddress;
libusb_free_device_list(devs, true);
libusb_free_config_descriptor(config_desc);
int current_config;
if (libusb_get_configuration(_usb_dev, &current_config) != 0){
throw std::runtime_error("could not find current configuration");
}
if (config_num != current_config) {
int ret = libusb_set_configuration(_usb_dev, config_desc->bConfigurationValue);
if(ret != 0 && ret != LIBUSB_ERROR_NOT_SUPPORTED){
throw std::runtime_error("could not set current configuration");
}
}
if (libusb_claim_interface(_usb_dev, interface_num) != 0){
throw std::runtime_error("could not claim interface");
}
if (!libusb_dev_mem_alloc(_usb_dev, _packet_size)){
throw std::runtime_error("failed to alloc DMA memory for device");
}
if (verbose) {
display_info(INFO_ID_VID , DAPLINK_INFO_STRING);
display_info(INFO_ID_PID , DAPLINK_INFO_STRING);
display_info(INFO_ID_SERNUM , DAPLINK_INFO_STRING);
display_info(INFO_ID_FWVERS , DAPLINK_INFO_STRING);
display_info(INFO_ID_TARGET_DEV_VENDOR , DAPLINK_INFO_STRING);
display_info(INFO_ID_TARGET_DEV_NAME , DAPLINK_INFO_STRING);
display_info(INFO_ID_HWCAP , DAPLINK_INFO_BYTE);
display_info(INFO_ID_SWO_TRACE_BUF_SIZE, DAPLINK_INFO_WORD);
display_info(INFO_ID_MAX_PKT_CNT , DAPLINK_INFO_BYTE);
display_info(INFO_ID_MAX_PKT_SZ , DAPLINK_INFO_SHORT);
}
memset(_buffer, 0, 63);
int res = read_info(INFO_ID_HWCAP, _buffer, 63);
if (res < 0) {
libusb_close(_usb_dev);
libusb_exit(_ctx);
char t[256];
snprintf(t, sizeof(t), "Error %d for command %d\n", res, INFO_ID_HWCAP);
throw std::runtime_error(t);
}
if (verbose)
printf("Hardware cap %02x %02x %02x\n", _buffer[0], _buffer[1], _buffer[2]);
if (!(_buffer[2] & (1 << 1))) {
libusb_close(_usb_dev);
libusb_exit(_ctx);
throw std::runtime_error("JTAG is not supported by the probe");
}
/* send connect */
if (dapConnect() != 1) {
libusb_close(_usb_dev);
libusb_exit(_ctx);
throw std::runtime_error("DAP connection in JTAG mode failed");
}
printInfo("USB bulk init successful");
return;
}
libusb_free_device_list(devs, true);
libusb_exit(_ctx);
throw std::runtime_error("failed to initialize USB bulk device");
}
/* send connect instruction (0x02) to switch
* in JTAG mode (0x02)
*/
@ -504,34 +795,59 @@ int CmsisDAP::flush()
int CmsisDAP::xfer(uint8_t instruction, int tx_len,
uint8_t *rx_buff, int rx_len)
{
(void)tx_len;
int ret = -1, bulk_len = 0;
_ll_buffer[0] = 0;
_ll_buffer[1] = instruction;
int ret = hid_write(_dev, _ll_buffer, 65);
if (ret == -1) {
printf("Error\n");
return ret;
switch(_backend){
case BACKEND_HID:
ret = hid_write(_hid_dev, _ll_buffer, 65);
if (ret == -1) {
printError("Error: HID write failed\n");
return ret;
}
ret = hid_read_timeout(_hid_dev, _ll_buffer, 65, 1000);
if (ret <= 0) {
if (ret == 0)
printError("Error: HID read timeout\n");
else if (ret == -1)
printError("Error: HID comm failed\n");
return ret;
}
break;
case BACKEND_USBBULK:
ret = libusb_bulk_transfer(_usb_dev, _ep_out, &_ll_buffer[1], tx_len + 1, &bulk_len, 1000);
if (ret != 0) {
printError("Error: Bulk write failed\n");
return ret;
}
ret = libusb_bulk_transfer(_usb_dev, _ep_in, &_ll_buffer[0], _packet_size, &bulk_len, 1000);
if (ret != 0 && ret != LIBUSB_ERROR_TIMEOUT) {
printError("Error: Bulk read failed\n");
return ret;
}
if(bulk_len == 0){
printError("Error: Bulk timeout");
return -1;
}
ret = bulk_len;
break;
default:
printError("Error: unknown USB backend");
break;
}
ret = hid_read_timeout(_dev, _ll_buffer, 65, 1000);
if (ret <= 0) {
if (ret == 0)
printError("Error timeout\n");
else if (ret == -1)
printError("Error comm\n");
return ret;
}
if (_ll_buffer[0] != instruction && _ll_buffer[1] != DAP_OK) {
printf("Error: command error");
if (_ll_buffer[0] != instruction) {
printError("Error: command error");
return -1;
}
if (_ll_buffer[1] != DAP_OK) {
printError("Error: DAP status error");
return -1;
}
if (rx_buff) {
memcpy(rx_buff, _buffer, rx_len);
}
return ret;
}
@ -541,28 +857,50 @@ int CmsisDAP::xfer(uint8_t instruction, int tx_len,
*/
int CmsisDAP::xfer(int tx_len, uint8_t *rx_buff, int rx_len)
{
(void)tx_len;
int ret = -1, bulk_len = 0;
_ll_buffer[0] = 0;
int ret = hid_write(_dev, _ll_buffer, 65);
if (ret == -1) {
printf("Error\n");
return ret;
switch(_backend){
case BACKEND_HID:
ret = hid_write(_hid_dev, _ll_buffer, 65);
if (ret == -1) {
printError("Error: HID write failed\n");
return ret;
}
ret = hid_read_timeout(_hid_dev, _ll_buffer, 65, 1000);
if (ret <= 0) {
if (ret == 0)
printError("Error: HID read timeout\n");
else if (ret == -1)
printError("Error: HID comm failed\n");
return ret;
}
break;
case BACKEND_USBBULK:
ret = libusb_bulk_transfer(_usb_dev, _ep_out, &_ll_buffer[1], tx_len, &bulk_len, 1000);
if (ret != 0) {
printError("Error: Bulk write failed\n");
return ret;
}
ret = libusb_bulk_transfer(_usb_dev, _ep_in, &_ll_buffer[0], _packet_size, &bulk_len, 1000);
if (ret != 0 && ret != LIBUSB_ERROR_TIMEOUT) {
printError("Error: Bulk read failed\n");
return ret;
}
if(bulk_len == 0){
printError("Error: Bulk timeout");
return -1;
}
ret = bulk_len;
break;
default:
printError("Error: unknown USB backend");
break;
}
ret = hid_read_timeout(_dev, _ll_buffer, 65, 1000);
if (ret <= 0) {
if (ret == 0)
printf("Error timeout\n");
else if (ret == -1)
printf("Error comm\n");
return ret;
}
if (rx_len)
memmove(rx_buff, _ll_buffer, rx_len);
return ret;
}
@ -590,24 +928,36 @@ void CmsisDAP::display_info(uint8_t info, uint8_t type)
if (ret == 0) {
char val[256];
if (info == INFO_ID_VID) {
snprintf(val, sizeof(val), "\t%s: %04x",
snprintf(val, sizeof(val), "\t%s : %04x",
cmsisdap_info_id_str[info].c_str(), _vid);
} else if (info == INFO_ID_PID) {
snprintf(val, sizeof(val), "\t%s: %04x",
snprintf(val, sizeof(val), "\t%s : %04x",
cmsisdap_info_id_str[info].c_str(), _pid);
} else if (info == INFO_ID_SERNUM) {
if (!_serial_number.empty()) {
snprintf(val, sizeof(val), "\t%s: %ls",
snprintf(val, sizeof(val), "\t%s : %ls",
cmsisdap_info_id_str[info].c_str(),
_serial_number.c_str());
} else {
printError("\t" + cmsisdap_info_id_str[info] + " : NA");
return;
}
} else if (info == INFO_ID_TARGET_DEV_NAME || \
info == INFO_ID_TARGET_DEV_VENDOR) {
/* nothing */
return;
} else if (info == INFO_ID_TARGET_DEV_NAME) {
if (!_product_name.empty()){
snprintf(val, sizeof(val), "\t%s : %ls",
cmsisdap_info_id_str[info].c_str(), _product_name.c_str());
} else {
printError("\t" + cmsisdap_info_id_str[info] + " : NA");
return;
}
} else if (info == INFO_ID_TARGET_DEV_VENDOR) {
if (!_vendor.empty()){
snprintf(val, sizeof(val), "\t%s : %ls",
cmsisdap_info_id_str[info].c_str(), _vendor.c_str());
} else {
printError("\t" + cmsisdap_info_id_str[info] + " : NA");
return;
}
} else {
printError("\t" + cmsisdap_info_id_str[info] + " : NA");
return;

28
src/cmsisDAP.hpp
View File

@ -15,6 +15,12 @@
#include "cable.hpp"
#include "jtagInterface.hpp"
enum cmsisdap_backend_type {
BACKEND_AUTOSELECT = -1,
BACKEND_HID = 0,
BACKEND_USBBULK = 1,
};
class CmsisDAP: public JtagInterface {
public:
/*!
@ -23,9 +29,11 @@ class CmsisDAP: public JtagInterface {
* \param[in] vid: vendor id
* \param[in] pid: product id
* \param[in] index: interface number
* \param[in] verbose: verbose level 0 normal, 1 verbose
* \param[in] clkHZ: clock frequency
* \param[in] verbose: verbose level (0 normal, 1 verbose)
* \param[in] backend: backend type (0 HID, 1 USB bulk)
*/
CmsisDAP(const cable_t &cable, int index, int8_t verbose);
CmsisDAP(const cable_t &cable, int index, uint32_t clkHZ, int8_t verbose, int backend);
~CmsisDAP();
@ -48,7 +56,7 @@ class CmsisDAP: public JtagInterface {
/*!
* \brief write and read len bits with optional tms set to 1 if end
* \param[in] tx: serie of tdi state to send
* \param[in] tx: serie of tdi state to send
* \param[out] rx: buffer to store tdo bits from device
* \param[in] len: number of bit to read/write
* \param[in] end: if true tms is set to one with the last tdi bit
@ -89,6 +97,9 @@ class CmsisDAP: public JtagInterface {
*/
int dapDisconnect();
int dapResetTarget();
void initWithHID(const cable_t &cable, int index, int8_t verbose);
void initWithBulk(const cable_t &cable, int8_t verbose);
int read_info(uint8_t info, uint8_t *rd_info, int max_len);
int xfer(int tx_len, uint8_t *rx_buff, int rx_len);
int xfer(uint8_t instruction, int tx_len,
@ -103,13 +114,20 @@ class CmsisDAP: public JtagInterface {
uint16_t _vid; /**< device Vendor ID */
uint16_t _pid; /**< device Product ID */
std::wstring _serial_number; /**< device serial number */
std::wstring _vendor; /**< device manufacturer */
std::wstring _product_name; /**< device product name */
hid_device *_dev; /**< hid device used to communicate */
hid_device *_hid_dev; /**< hid device used to communicate */
libusb_device_handle *_usb_dev; /**< libusb device used to communicate */
libusb_context *_ctx; /**< libusb context */
unsigned char *_ll_buffer; /**< message buffer */
unsigned char *_buffer; /**< subset of _ll_buffer */
int _packet_size; /**< USB bulk packet size */
int _ep_in; /**< USB bulk in endpoint */
int _ep_out; /**< USB bulk out endpoint */
int _num_tms; /**< current tms length */
int _is_connect; /**< device status ((dis)connected) */
int _backend; /**< type of USB backend */
};
#endif // SRC_CMSISDAP_HPP_

4
src/jtag.cpp
View File

@ -93,7 +93,7 @@
*/
Jtag::Jtag(const cable_t &cable, const jtag_pins_conf_t *pin_conf,
const std::string &dev,
const std::string &dev, int backend,
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,
@ -178,7 +178,7 @@ Jtag::Jtag(const cable_t &cable, const jtag_pins_conf_t *pin_conf,
#endif
case MODE_CMSISDAP:
#ifdef ENABLE_CMSISDAP
_jtag = new CmsisDAP(cable, cable.config.index, verbose);
_jtag = new CmsisDAP(cable, cable.config.index, clkHZ, verbose, backend);
break;
#else
std::cerr << "Jtag: support for cmsisdap was not enabled at compile time" << std::endl;

2
src/jtag.hpp
View File

@ -20,7 +20,7 @@
class Jtag {
public:
Jtag(const cable_t &cable, const jtag_pins_conf_t *pin_conf,
const std::string &dev,
const std::string &dev, int backend,
const std::string &serial, uint32_t clkHZ, int8_t verbose,
const std::string &ip_adr, int port,
const bool invert_read_edge = false,