* 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, write to the *
- * Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
+ * 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/time_support.h"
#include <libusb.h>
/* Compatibility define for older libusb-1.0 */
#define LIBUSB_CALL
#endif
-#ifdef _DEBUG_JTAG_IO_
-#define DEBUG_IO(expr...) LOG_DEBUG(expr)
#define DEBUG_PRINT_BUF(buf, len) \
do { \
- char buf_string[32 * 3 + 1]; \
- int buf_string_pos = 0; \
- for (int i = 0; i < len; i++) { \
- buf_string_pos += sprintf(buf_string + buf_string_pos, " %02x", buf[i]); \
- if (i % 32 == 32 - 1) { \
- LOG_DEBUG("%s", buf_string); \
- buf_string_pos = 0; \
+ if (LOG_LEVEL_IS(LOG_LVL_DEBUG_IO)) { \
+ char buf_string[32 * 3 + 1]; \
+ int buf_string_pos = 0; \
+ for (int i = 0; i < len; i++) { \
+ buf_string_pos += sprintf(buf_string + buf_string_pos, " %02x", buf[i]); \
+ if (i % 32 == 32 - 1) { \
+ LOG_DEBUG_IO("%s", buf_string); \
+ buf_string_pos = 0; \
+ } \
} \
+ if (buf_string_pos > 0) \
+ LOG_DEBUG_IO("%s", buf_string);\
} \
- if (buf_string_pos > 0) \
- LOG_DEBUG("%s", buf_string);\
} while (0)
-#else
-#define DEBUG_IO(expr...) do {} while (0)
-#define DEBUG_PRINT_BUF(buf, len) do {} while (0)
-#endif
#define FTDI_DEVICE_OUT_REQTYPE (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE)
#define FTDI_DEVICE_IN_REQTYPE (0x80 | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE)
static bool device_location_equal(libusb_device *device, const char *location)
{
+ bool result = false;
+#ifdef HAVE_LIBUSB_GET_PORT_NUMBERS
char *loc = strdup(location);
uint8_t port_path[7];
int path_step, path_len;
uint8_t dev_bus = libusb_get_bus_number(device);
char *ptr;
- bool result = false;
path_len = libusb_get_port_numbers(device, port_path, 7);
if (path_len == LIBUSB_ERROR_OVERFLOW) {
LOG_DEBUG("device path has %i steps", path_len);
- ptr = strtok(loc, ":");
+ ptr = strtok(loc, "-:");
if (ptr == NULL) {
LOG_DEBUG("no ':' in path");
goto done;
path_step = 0;
while (path_step < 7) {
- ptr = strtok(NULL, ",");
+ ptr = strtok(NULL, ".,");
if (ptr == NULL) {
LOG_DEBUG("no more tokens in path at step %i", path_step);
break;
done:
free(loc);
+#endif
return result;
}
err = libusb_detach_kernel_driver(ctx->usb_dev, ctx->interface);
if (err != LIBUSB_SUCCESS && err != LIBUSB_ERROR_NOT_FOUND
&& err != LIBUSB_ERROR_NOT_SUPPORTED) {
- LOG_ERROR("libusb_detach_kernel_driver() failed with %s", libusb_error_name(err));
- goto error;
+ LOG_WARNING("libusb_detach_kernel_driver() failed with %s, trying to continue anyway",
+ libusb_error_name(err));
}
err = libusb_claim_interface(ctx->usb_dev, ctx->interface);
ctx->write_size = 16384;
ctx->read_chunk = malloc(ctx->read_chunk_size);
ctx->read_buffer = malloc(ctx->read_size);
- ctx->write_buffer = malloc(ctx->write_size);
+
+ /* Use calloc to make valgrind happy: buffer_write() sets payload
+ * on bit basis, so some bits can be left uninitialized in write_buffer.
+ * Although this is perfectly ok with MPSSE, valgrind reports
+ * Syscall param ioctl(USBDEVFS_SUBMITURB).buffer points to uninitialised byte(s) */
+ ctx->write_buffer = calloc(1, ctx->write_size);
+
if (!ctx->read_chunk || !ctx->read_buffer || !ctx->write_buffer)
goto error;
static void buffer_write_byte(struct mpsse_ctx *ctx, uint8_t data)
{
- DEBUG_IO("%02x", data);
+ LOG_DEBUG_IO("%02x", data);
assert(ctx->write_count < ctx->write_size);
ctx->write_buffer[ctx->write_count++] = data;
}
static unsigned buffer_write(struct mpsse_ctx *ctx, const uint8_t *out, unsigned out_offset,
unsigned bit_count)
{
- DEBUG_IO("%d bits", bit_count);
+ LOG_DEBUG_IO("%d bits", bit_count);
assert(ctx->write_count + DIV_ROUND_UP(bit_count, 8) <= ctx->write_size);
bit_copy(ctx->write_buffer + ctx->write_count, 0, out, out_offset, bit_count);
ctx->write_count += DIV_ROUND_UP(bit_count, 8);
static unsigned buffer_add_read(struct mpsse_ctx *ctx, uint8_t *in, unsigned in_offset,
unsigned bit_count, unsigned offset)
{
- DEBUG_IO("%d bits, offset %d", bit_count, offset);
+ LOG_DEBUG_IO("%d bits, offset %d", bit_count, offset);
assert(ctx->read_count + DIV_ROUND_UP(bit_count, 8) <= ctx->read_size);
bit_copy_queued(&ctx->read_queue, in, in_offset, ctx->read_buffer + ctx->read_count, offset,
bit_count);
unsigned in_offset, unsigned length, uint8_t mode)
{
/* TODO: Fix MSB first modes */
- DEBUG_IO("%s%s %d bits", in ? "in" : "", out ? "out" : "", length);
+ LOG_DEBUG_IO("%s%s %d bits", in ? "in" : "", out ? "out" : "", length);
if (ctx->retval != ERROR_OK) {
- DEBUG_IO("Ignoring command due to previous error");
+ LOG_DEBUG_IO("Ignoring command due to previous error");
return;
}
void mpsse_clock_tms_cs(struct mpsse_ctx *ctx, const uint8_t *out, unsigned out_offset, uint8_t *in,
unsigned in_offset, unsigned length, bool tdi, uint8_t mode)
{
- DEBUG_IO("%sout %d bits, tdi=%d", in ? "in" : "", length, tdi);
+ LOG_DEBUG_IO("%sout %d bits, tdi=%d", in ? "in" : "", length, tdi);
assert(out);
if (ctx->retval != ERROR_OK) {
- DEBUG_IO("Ignoring command due to previous error");
+ LOG_DEBUG_IO("Ignoring command due to previous error");
return;
}
void mpsse_set_data_bits_low_byte(struct mpsse_ctx *ctx, uint8_t data, uint8_t dir)
{
- DEBUG_IO("-");
+ LOG_DEBUG_IO("-");
if (ctx->retval != ERROR_OK) {
- DEBUG_IO("Ignoring command due to previous error");
+ LOG_DEBUG_IO("Ignoring command due to previous error");
return;
}
void mpsse_set_data_bits_high_byte(struct mpsse_ctx *ctx, uint8_t data, uint8_t dir)
{
- DEBUG_IO("-");
+ LOG_DEBUG_IO("-");
if (ctx->retval != ERROR_OK) {
- DEBUG_IO("Ignoring command due to previous error");
+ LOG_DEBUG_IO("Ignoring command due to previous error");
return;
}
void mpsse_read_data_bits_low_byte(struct mpsse_ctx *ctx, uint8_t *data)
{
- DEBUG_IO("-");
+ LOG_DEBUG_IO("-");
if (ctx->retval != ERROR_OK) {
- DEBUG_IO("Ignoring command due to previous error");
+ LOG_DEBUG_IO("Ignoring command due to previous error");
return;
}
void mpsse_read_data_bits_high_byte(struct mpsse_ctx *ctx, uint8_t *data)
{
- DEBUG_IO("-");
+ LOG_DEBUG_IO("-");
if (ctx->retval != ERROR_OK) {
- DEBUG_IO("Ignoring command due to previous error");
+ LOG_DEBUG_IO("Ignoring command due to previous error");
return;
}
uint8_t val_if_false)
{
if (ctx->retval != ERROR_OK) {
- DEBUG_IO("Ignoring command due to previous error");
+ LOG_DEBUG_IO("Ignoring command due to previous error");
return;
}
LOG_DEBUG("%d", divisor);
if (ctx->retval != ERROR_OK) {
- DEBUG_IO("Ignoring command due to previous error");
+ LOG_DEBUG_IO("Ignoring command due to previous error");
return;
}
}
}
- DEBUG_IO("raw chunk %d, transferred %d of %d", transfer->actual_length, res->transferred,
+ LOG_DEBUG_IO("raw chunk %d, transferred %d of %d", transfer->actual_length, res->transferred,
ctx->read_count);
if (!res->done)
res->transferred += transfer->actual_length;
- DEBUG_IO("transferred %d of %d", res->transferred, ctx->write_count);
+ LOG_DEBUG_IO("transferred %d of %d", res->transferred, ctx->write_count);
DEBUG_PRINT_BUF(transfer->buffer, transfer->actual_length);
int retval = ctx->retval;
if (retval != ERROR_OK) {
- DEBUG_IO("Ignoring flush due to previous error");
+ LOG_DEBUG_IO("Ignoring flush due to previous error");
assert(ctx->write_count == 0 && ctx->read_count == 0);
ctx->retval = ERROR_OK;
return retval;
}
- DEBUG_IO("write %d%s, read %d", ctx->write_count, ctx->read_count ? "+1" : "",
+ LOG_DEBUG_IO("write %d%s, read %d", ctx->write_count, ctx->read_count ? "+1" : "",
ctx->read_count);
assert(ctx->write_count > 0 || ctx->read_count == 0); /* No read data without write data */
libusb_fill_bulk_transfer(write_transfer, ctx->usb_dev, ctx->out_ep, ctx->write_buffer,
ctx->write_count, write_cb, &write_result, ctx->usb_write_timeout);
retval = libusb_submit_transfer(write_transfer);
+ if (retval != LIBUSB_SUCCESS)
+ goto error_check;
if (ctx->read_count) {
read_transfer = libusb_alloc_transfer(0);
ctx->read_chunk_size, read_cb, &read_result,
ctx->usb_read_timeout);
retval = libusb_submit_transfer(read_transfer);
+ if (retval != LIBUSB_SUCCESS)
+ goto error_check;
}
/* 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) {
- retval = libusb_handle_events(ctx->usb_ctx);
+ struct timeval timeout_usb;
+
+ timeout_usb.tv_sec = 1;
+ timeout_usb.tv_usec = 0;
+
+ retval = libusb_handle_events_timeout_completed(ctx->usb_ctx, &timeout_usb, NULL);
keep_alive();
- if (retval != LIBUSB_SUCCESS && retval != LIBUSB_ERROR_INTERRUPTED) {
+ if (retval == LIBUSB_ERROR_NO_DEVICE || retval == LIBUSB_ERROR_INTERRUPTED)
+ break;
+
+ if (retval != LIBUSB_SUCCESS) {
libusb_cancel_transfer(write_transfer);
if (read_transfer)
libusb_cancel_transfer(read_transfer);
- while (!write_result.done || !read_result.done)
- if (libusb_handle_events(ctx->usb_ctx) != LIBUSB_SUCCESS)
+ while (!write_result.done || !read_result.done) {
+ retval = libusb_handle_events_timeout_completed(ctx->usb_ctx,
+ &timeout_usb, NULL);
+ if (retval != LIBUSB_SUCCESS)
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;
}
}
+error_check:
if (retval != LIBUSB_SUCCESS) {
LOG_ERROR("libusb_handle_events() failed with %s", libusb_error_name(retval));
retval = ERROR_FAIL;