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-rw-r--r--src/jtag/drivers/cmsis_dap_usb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/jtag/drivers/cmsis_dap_usb.c b/src/jtag/drivers/cmsis_dap_usb.c
index 6a7ca259..38828ea0 100644
--- a/src/jtag/drivers/cmsis_dap_usb.c
+++ b/src/jtag/drivers/cmsis_dap_usb.c
@@ -247,7 +247,7 @@ static int cmsis_dap_usb_open(void)
dev = hid_open(target_vid, target_pid, target_serial);
if (dev == NULL) {
- LOG_ERROR("unable to open CMSIS-DAP device");
+ LOG_ERROR("unable to open CMSIS-DAP device 0x%x:0x%x", target_vid, target_pid);
return ERROR_FAIL;
}