+// SPDX-License-Identifier: GPL-2.0-or-later
+
/**************************************************************************
* Copyright (C) 2012 by Andreas Fritiofson *
* andreas.fritiofson@gmail.com *
- * *
- * 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 2 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 <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "mpsse.h"
#include "helper/log.h"
+#include "helper/replacements.h"
+#include "helper/time_support.h"
+#include "libusb_helper.h"
#include <libusb.h>
/* Compatibility define for older libusb-1.0 */
#define SIO_RESET_PURGE_TX 2
struct mpsse_ctx {
- libusb_context *usb_ctx;
- libusb_device_handle *usb_dev;
+ struct libusb_context *usb_ctx;
+ struct libusb_device_handle *usb_dev;
unsigned int usb_write_timeout;
unsigned int usb_read_timeout;
uint8_t in_ep;
};
/* Returns true if the string descriptor indexed by str_index in device matches string */
-static bool string_descriptor_equal(libusb_device_handle *device, uint8_t str_index,
+static bool string_descriptor_equal(struct libusb_device_handle *device, uint8_t str_index,
const char *string)
{
int retval;
return strncmp(string, desc_string, sizeof(desc_string)) == 0;
}
-static bool device_location_equal(libusb_device *device, const char *location)
+static bool device_location_equal(struct libusb_device *device, const char *location)
{
bool result = false;
#ifdef HAVE_LIBUSB_GET_PORT_NUMBERS
LOG_DEBUG("device path has %i steps", path_len);
ptr = strtok(loc, "-:");
- if (ptr == NULL) {
+ if (!ptr) {
LOG_DEBUG("no ':' in path");
goto done;
}
path_step = 0;
while (path_step < 7) {
ptr = strtok(NULL, ".,");
- if (ptr == NULL) {
+ if (!ptr) {
LOG_DEBUG("no more tokens in path at step %i", path_step);
break;
}
* Set any field to 0 as a wildcard. If the device is found true is returned, with ctx containing
* the already opened handle. ctx->interface must be set to the desired interface (channel) number
* prior to calling this function. */
-static bool open_matching_device(struct mpsse_ctx *ctx, const uint16_t *vid, const uint16_t *pid,
+static bool open_matching_device(struct mpsse_ctx *ctx, const uint16_t vids[], const uint16_t pids[],
const char *product, const char *serial, const char *location)
{
- libusb_device **list;
+ struct libusb_device **list;
struct libusb_device_descriptor desc;
struct libusb_config_descriptor *config0;
int err;
LOG_ERROR("libusb_get_device_list() failed with %s", libusb_error_name(cnt));
for (ssize_t i = 0; i < cnt; i++) {
- libusb_device *device = list[i];
+ struct libusb_device *device = list[i];
err = libusb_get_device_descriptor(device, &desc);
if (err != LIBUSB_SUCCESS) {
continue;
}
- if (vid && *vid != desc.idVendor)
- continue;
- if (pid && *pid != desc.idProduct)
+ if (!jtag_libusb_match_ids(&desc, vids, pids))
continue;
err = libusb_open(device, &ctx->usb_dev);
libusb_free_device_list(list, 1);
if (!found) {
- LOG_ERROR("no device found");
+ /* The caller reports detailed error desc */
return false;
}
case 0x900:
ctx->type = TYPE_FT232H;
break;
+ case 0x2800:
+ ctx->type = TYPE_FT2233HP;
+ break;
+ case 0x2900:
+ ctx->type = TYPE_FT4233HP;
+ break;
+ case 0x3000:
+ ctx->type = TYPE_FT2232HP;
+ break;
+ case 0x3100:
+ ctx->type = TYPE_FT4232HP;
+ break;
+ case 0x3200:
+ ctx->type = TYPE_FT233HP;
+ break;
+ case 0x3300:
+ ctx->type = TYPE_FT232HP;
+ break;
default:
LOG_ERROR("unsupported FTDI chip type: 0x%04x", desc.bcdDevice);
goto error;
return false;
}
-struct mpsse_ctx *mpsse_open(const uint16_t *vid, const uint16_t *pid, const char *description,
+struct mpsse_ctx *mpsse_open(const uint16_t vids[], const uint16_t pids[], const char *description,
const char *serial, const char *location, int channel)
{
struct mpsse_ctx *ctx = calloc(1, sizeof(*ctx));
int err;
if (!ctx)
- return 0;
+ return NULL;
bit_copy_queue_init(&ctx->read_queue);
ctx->read_chunk_size = 16384;
goto error;
}
- if (!open_matching_device(ctx, vid, pid, description, serial, location)) {
- /* Four hex digits plus terminating zero each */
- char vidstr[5];
- char pidstr[5];
- LOG_ERROR("unable to open ftdi device with vid %s, pid %s, description '%s', "
+ if (!open_matching_device(ctx, vids, pids, description, serial, location)) {
+ LOG_ERROR("unable to open ftdi device with description '%s', "
"serial '%s' at bus location '%s'",
- vid ? sprintf(vidstr, "%04x", *vid), vidstr : "*",
- pid ? sprintf(pidstr, "%04x", *pid), pidstr : "*",
description ? description : "*",
serial ? serial : "*",
location ? location : "*");
- ctx->usb_dev = 0;
+ ctx->usb_dev = NULL;
goto error;
}
return ctx;
error:
mpsse_close(ctx);
- return 0;
+ return NULL;
}
void mpsse_close(struct mpsse_ctx *ctx)
if (ctx->usb_ctx)
libusb_exit(ctx->usb_ctx);
bit_copy_discard(&ctx->read_queue);
- if (ctx->write_buffer)
- free(ctx->write_buffer);
- if (ctx->read_buffer)
- free(ctx->read_buffer);
- if (ctx->read_chunk)
- free(ctx->read_chunk);
+ free(ctx->write_buffer);
+ free(ctx->read_buffer);
+ free(ctx->read_chunk);
free(ctx);
}
void mpsse_clock_data_out(struct mpsse_ctx *ctx, const uint8_t *out, unsigned out_offset,
unsigned length, uint8_t mode)
{
- mpsse_clock_data(ctx, out, out_offset, 0, 0, length, mode);
+ mpsse_clock_data(ctx, out, out_offset, NULL, 0, length, mode);
}
void mpsse_clock_data_in(struct mpsse_ctx *ctx, uint8_t *in, unsigned in_offset, unsigned length,
uint8_t mode)
{
- mpsse_clock_data(ctx, 0, 0, in, in_offset, length, mode);
+ mpsse_clock_data(ctx, NULL, 0, in, in_offset, length, mode);
}
void mpsse_clock_data(struct mpsse_ctx *ctx, const uint8_t *out, unsigned out_offset, uint8_t *in,
void mpsse_clock_tms_cs_out(struct mpsse_ctx *ctx, const uint8_t *out, unsigned out_offset,
unsigned length, bool tdi, uint8_t mode)
{
- mpsse_clock_tms_cs(ctx, out, out_offset, 0, 0, length, tdi, mode);
+ mpsse_clock_tms_cs(ctx, out, out_offset, NULL, 0, length, tdi, mode);
}
void mpsse_clock_tms_cs(struct mpsse_ctx *ctx, const uint8_t *out, unsigned out_offset, uint8_t *in,
if (ctx->write_count == 0)
return retval;
- struct libusb_transfer *read_transfer = 0;
+ struct libusb_transfer *read_transfer = NULL;
struct transfer_result read_result = { .ctx = ctx, .done = true };
if (ctx->read_count) {
buffer_write_byte(ctx, 0x87); /* SEND_IMMEDIATE */
}
/* Polling loop, more or less taken from libftdi */
+ int64_t start = timeval_ms();
+ int64_t warn_after = 2000;
while (!write_result.done || !read_result.done) {
struct timeval timeout_usb;
retval = libusb_handle_events_timeout_completed(ctx->usb_ctx, &timeout_usb, NULL);
keep_alive();
- if (retval == LIBUSB_ERROR_NO_DEVICE || retval == LIBUSB_ERROR_INTERRUPTED)
- break;
+
+ int64_t now = timeval_ms();
+ if (now - start > warn_after) {
+ LOG_WARNING("Haven't made progress in mpsse_flush() for %" PRId64
+ "ms.", now - start);
+ warn_after *= 2;
+ }
+
+ if (retval == LIBUSB_ERROR_INTERRUPTED)
+ continue;
if (retval != LIBUSB_SUCCESS) {
libusb_cancel_transfer(write_transfer);
if (read_transfer)
libusb_cancel_transfer(read_transfer);
- while (!write_result.done || !read_result.done) {
- retval = libusb_handle_events_timeout_completed(ctx->usb_ctx,
- &timeout_usb, NULL);
- if (retval != LIBUSB_SUCCESS)
- break;
- }
}
}
retval = ERROR_OK;
}
+ if (retval != ERROR_OK)
+ mpsse_purge(ctx);
+
libusb_free_transfer(write_transfer);
if (read_transfer)
libusb_free_transfer(read_transfer);
- if (retval != ERROR_OK)
- mpsse_purge(ctx);
-
return retval;
}
Code Review / openocd.git / blobdiff