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Add the option to choose the serial port #25

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Add the option to choose the serial port #25

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27 changes: 26 additions & 1 deletion teensy_loader_cli.c
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ void usage(const char *err)
{
if(err != NULL) fprintf(stderr, "%s\n\n", err);
fprintf(stderr,
"Usage: teensy_loader_cli --mcu=<MCU> [-w] [-h] [-n] [-b] [-v] <file.hex>\n"
"Usage: teensy_loader_cli --mcu=<MCU> [-w] [-h] [-n] [-b] [-v] [--serial=<serial>] <file.hex>\n"
"\t-w : Wait for device to appear\n"
"\t-r : Use hard reboot if device not online\n"
"\t-s : Use soft reboot if device not online (Teensy3.x only)\n"
Expand Down Expand Up @@ -79,6 +79,7 @@ int verbose = 0;
int boot_only = 0;
int code_size = 0, block_size = 0;
const char *filename=NULL;
long int serial = -1;


/****************************************************************/
Expand Down Expand Up @@ -240,6 +241,17 @@ usb_dev_handle * open_usb_device(int vid, int pid)
printf_verbose("Found device but unable to open\n");
continue;
}
if ( serial != -1 ) {
if (dev->descriptor.iSerialNumber) {
r = usb_get_string_simple(h, dev->descriptor.iSerialNumber, buf, sizeof(buf));
if (r > 0) {
long int serial_ = atoi(buf);
printf_verbose("Serial Number: %s\n", buf);
if ( serial_ != serial ) continue;
else serial = -1;
}
}
}
#ifdef LIBUSB_HAS_GET_DRIVER_NP
r = usb_get_driver_np(h, 0, buf, sizeof(buf));
if (r >= 0) {
Expand Down Expand Up @@ -1076,6 +1088,18 @@ void read_mcu(char *name)
}


void read_serial(char *name)
{
if(name == NULL) {
fprintf(stderr, "No serial specified.\n");
exit(1);
}

serial = atoi(name);
printf("requested serial: %ld\n", serial);
}


void parse_flag(char *arg)
{
int i;
Expand Down Expand Up @@ -1125,6 +1149,7 @@ void parse_options(int argc, char **argv)
if(strcasecmp(name, "help") == 0) usage(NULL);
else if(strcasecmp(name, "mcu") == 0) read_mcu(val);
else if(strcasecmp(name, "list-mcus") == 0) list_mcus();
else if(strcasecmp(name, "serial") == 0) read_serial(val);
else {
fprintf(stderr, "Unknown option \"%s\"\n\n", arg);
usage(NULL);
Expand Down