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Use libhidapi for connecting to SNAP/PICKit4 in AVR mode

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MCUdude
2025-02-09 09:16:44 +01:00
parent 6c23fccf42
commit a525058d07
1 changed files with 73 additions and 1 deletions
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74
src/pickit5.c
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@@ -627,7 +627,79 @@ static int pickit5_open(PROGRAMMER *pgm, const char *port) {
my.pgm_type = PGM_TYPE_SNAP;
}
return rv;
// No PICkit4 / SNAP (PIC mode) nor PICkit5 found, look for programmer in AVR mode
if(rv >= 0) // if a programmer in PIC mode found, we're done
return rv;
// otherwise, try to see if there is a SNAP or PK4 in AVR mode
pinfo.usbinfo.vid = USB_VENDOR_ATMEL;
pinfo.usbinfo.pid = USB_DEVICE_SNAP_AVR_MODE;
pgm->fd.usb.max_xfer = USBDEV_MAX_XFER_3;
pgm->fd.usb.rep = USBDEV_BULK_EP_READ_3;
pgm->fd.usb.wep = USBDEV_BULK_EP_WRITE_3;
pgm->fd.usb.eep = USBDEV_EVT_EP_READ_3;
const char *pgm_suffix = strchr(pgmid, '_')? strchr(pgmid, '_'): "";
char part_option[32] = {}; // 32 should be enough
if(partdesc)
snprintf(part_option, 31, "-p %s ", partdesc);
else
strcpy(part_option, "");
// Use LIBHIDAPI to connect to SNAP/PICkit4 if present.
// For some reason, chances are smaller to get
// permission denied errors when using LIBHIDAPI
#if defined(HAVE_LIBHIDAPI)
serdev = &usbhid_serdev;
pgm->fd.usb.eep = 0;
#endif
rv = serial_open(port, pinfo, &pgm->fd); // Try SNAP PID
if(rv >= 0) {
msg_error("\n");
cx->usb_access_error = 0;
pmsg_error("MPLAB SNAP in AVR mode detected\n");
imsg_error("to switch into PIC mode try\n");
imsg_error("$ %s -c snap%s %s-P %s -x mode=pic\n", progname, pgm_suffix, part_option, port);
imsg_error("or use the programmer in AVR mode with the following command:\n");
imsg_error("$ %s -c snap%s %s-P %s\n", progname, pgm_suffix, part_option, port);
serial_close(&pgm->fd);
return LIBAVRDUDE_EXIT;
}
pinfo.usbinfo.flags = PINFO_FL_SILENT;
pgm->fd.usb.max_xfer = USBDEV_MAX_XFER_3;
pgm->fd.usb.rep = USBDEV_BULK_EP_READ_3;
pgm->fd.usb.wep = USBDEV_BULK_EP_WRITE_3;
pgm->fd.usb.eep = USBDEV_EVT_EP_READ_3;
pinfo.usbinfo.pid = USB_DEVICE_PICKIT4_AVR_MODE;
rv = serial_open(port, pinfo, &pgm->fd); // Try PICkit4 PID
if(rv >= 0) {
msg_error("\n");
cx->usb_access_error = 0;
pmsg_error("PICkit 4 in AVR mode detected\n");
imsg_error("to switch into PIC mode try\n");
imsg_error("$ %s -c pickit4%s %s-P %s -x mode=pic\n", progname, pgm_suffix, part_option, port);
imsg_error("or use the programmer in AVR mode with the following command:\n");
imsg_error("$ %s -c pickit4%s %s-P %s\n", progname, pgm_suffix, part_option, port);
serial_close(&pgm->fd);
return LIBAVRDUDE_EXIT;
}
pmsg_error("no device found matching VID 0x%04x and PID list: 0x%04x, 0x%04x, 0x%04x\n", USB_VENDOR_MICROCHIP,
USB_DEVICE_PICKIT5, USB_DEVICE_PICKIT4_PIC_MODE, USB_DEVICE_SNAP_PIC_MODE);
imsg_error("nor VID 0x%04x with PID list: 0x%04x, 0x%04x\n", USB_VENDOR_ATMEL, USB_DEVICE_PICKIT4_AVR_MODE, USB_DEVICE_SNAP_AVR_MODE);
return LIBAVRDUDE_EXIT;
}
static void pickit5_close(PROGRAMMER *pgm) {