From c327578c7da744ed3b39643d0436e68b09045a99 Mon Sep 17 00:00:00 2001
From: Karl Palsson <karlp@tweak.net.au>
Date: Tue, 11 Oct 2011 23:41:49 +0000
Subject: [PATCH] Use defined VID/PIDs instead of magic numbers

---
 src/stlink-common.h | 1 +
 src/stlink-usb.c    | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/stlink-common.h b/src/stlink-common.h
index 3e5d461..d1ad32d 100644
--- a/src/stlink-common.h
+++ b/src/stlink-common.h
@@ -23,6 +23,7 @@ extern "C" {
     // st-link vendor cmd's
 #define USB_ST_VID			0x0483
 #define USB_STLINK_PID			0x3744
+#define USB_STLINK_32L_PID		0x3748
 
     // STLINK_DEBUG_RESETSYS, etc:
 #define STLINK_OK			0x80
diff --git a/src/stlink-usb.c b/src/stlink-usb.c
index 50a7d58..e30a980 100644
--- a/src/stlink-usb.c
+++ b/src/stlink-usb.c
@@ -136,10 +136,10 @@ static int is_stlink_device(libusb_device * dev) {
 
     printf("device: 0x%04x, 0x%04x\n", desc.idVendor, desc.idProduct);
 
-    if (desc.idVendor != 0x0483)
+    if (desc.idVendor != USB_ST_VID)
         return 0;
 
-    if (desc.idProduct != 0x3748)
+    if (desc.idProduct != USB_STLINK_32L_PID)
         return 0;
 
     return 1;