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Fix bug introduced in patch #8580 to allow usage with no -C option or -C ft[n]

This commit is contained in:
Marius Greuel 2020-03-10 21:51:59 +02:00
parent 7d9ee2694e
commit d4c7ef19bf
1 changed files with 25 additions and 40 deletions
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47
ft245r.c
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@ -543,10 +543,8 @@ static const struct pin_checklist_t pin_checklist[] = {
static int ft245r_open(PROGRAMMER * pgm, char * port) {
int rv;
int devnum = -1;
char device[9] = "";
rv = pins_check(pgm,pin_checklist,sizeof(pin_checklist)/sizeof(pin_checklist[0]), true);
if(rv) {
pgm->display(pgm, progbuf);
return rv;
@ -554,47 +552,34 @@ static int ft245r_open(PROGRAMMER * pgm, char * port) {
strcpy(pgm->port, port);
// read device string cut after 8 chars (max. length of serial number)
if ((sscanf(port, "usb:%8s", device) != 1)) {
avrdude_message(MSG_INFO,
"%s: ft245r_open(): invalid device identifier '%8s'\n",
progname, device);
return -1;
} else {
if (strlen(device) == 8 ){ // serial number
if (verbose >= 2) {
avrdude_message(MSG_INFO,
"%s: ft245r_open(): serial number parsed as: "
"%s\n",
progname,
device);
}
// copy serial number to pgm struct
strcpy(pgm->usbsn, device);
// and use first device with matching serial (should be unique)
devnum = 0;
}
else if (strncmp("ft", device, 2) || strlen(device) <= 8) { // classic device number
char *startptr = device + 2;
if (strcmp(port, DEFAULT_USB) != 0) {
if (strncasecmp("ft", port, 2) == 0) {
char* startptr = port + 2;
char* endptr = NULL;
devnum = strtol(startptr, &endptr, 10);
if ((startptr == endptr) || (*endptr != '\0')) {
devnum = -1;
}
avrdude_message(MSG_INFO,
"%s: ft245r_open(): device number parsed as: "
"%d\n",
progname,
devnum);
} else {
char device[9] = "";
if ((sscanf(port, "usb:%8s", device) == 1)) {
if (strlen(device) == 8) {
// copy serial number to pgm struct
strcpy(pgm->usbsn, device);
// and use first device with matching serial (should be unique)
devnum = 0;
}
}
}
// if something went wrong before abort with helpful message
if (devnum < 0) {
avrdude_message(MSG_INFO, "%s: ft245r_open(): invalid portname '%s': use^ 'ft[0-9]+' or serial number\n",
avrdude_message(MSG_INFO, "%s: invalid portname '%s': use 'ft[0-9]+' or serial number\n",
progname, port);
return -1;
}
} else {
devnum = 0;
}
handle = malloc (sizeof (struct ftdi_context));
ftdi_init(handle);