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Made Linux jtagtap_init() more verbose on errors.

This commit is contained in:
Gareth McMullin 2011-02-07 13:08:45 +13:00
parent bb0981b22f
commit 5cc8ff5404
1 changed files with 39 additions and 8 deletions
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47
src/linux/jtagtap.c
View File

@ -83,8 +83,18 @@ static int buffer_read(uint8_t *data, int size)
int jtagtap_init(void)
{
ftdi_init(&ftdic);
ftdi_set_interface(&ftdic, INTERFACE_A);
int err;
if((err = ftdi_init(&ftdic)) != 0) {
fprintf(stderr, "ftdi_init: %d: %s\n",
err, ftdi_get_error_string(&ftdic));
abort();
}
if((err = ftdi_set_interface(&ftdic, INTERFACE_A)) != 0) {
fprintf(stderr, "ftdi_set_interface: %d: %s\n",
err, ftdi_get_error_string(&ftdic));
abort();
}
f = ftdi_usb_open(&ftdic, FT2232_VID, FT2232_PID);
if(f < 0 && f != -5) {
fprintf(stderr, "unable to open ftdi device: %d (%s)\n",
@ -93,14 +103,35 @@ int jtagtap_init(void)
}
fprintf(stderr, "ftdi open succeeded(channel 1): %d\n",f);
ftdi_set_latency_timer(&ftdic, 1);
ftdi_set_baudrate(&ftdic, 480000000);
ftdi_usb_purge_buffers(&ftdic);
if((err = ftdi_set_latency_timer(&ftdic, 1)) != 0) {
fprintf(stderr, "ftdi_set_latency_timer: %d: %s\n",
err, ftdi_get_error_string(&ftdic));
abort();
}
if((err = ftdi_set_baudrate(&ftdic, 1000000)) != 0) {
fprintf(stderr, "ftdi_set_baudrate: %d: %s\n",
err, ftdi_get_error_string(&ftdic));
abort();
}
if((err = ftdi_usb_purge_buffers(&ftdic)) != 0) {
fprintf(stderr, "ftdi_set_baudrate: %d: %s\n",
err, ftdi_get_error_string(&ftdic));
abort();
}
if((err = ftdi_set_bitmode(&ftdic, 0xAB, BITMODE_MPSSE)) != 0) {
fprintf(stderr, "ftdi_set_bitmode: %d: %s\n",
err, ftdi_get_error_string(&ftdic));
abort();
}
fprintf(stderr, "enabling bitbang mode(channel 1)\n");
assert(ftdi_set_bitmode(&ftdic, 0xAB, BITMODE_MPSSE) == 0);
assert(ftdi_write_data(&ftdic, "\x86\x00\x00\x80\xA8\xAB", 6) == 6);
ftdi_write_data_set_chunksize(&ftdic, BUF_SIZE);
if((err = ftdi_write_data_set_chunksize(&ftdic, BUF_SIZE)) != 0) {
fprintf(stderr, "ftdi_write_data_set_chunksize: %d: %s\n",
err, ftdi_get_error_string(&ftdic));
abort();
}
return 0;
}