From a09e37a8afe5b70661507eb512dc96ecd9804939 Mon Sep 17 00:00:00 2001
From: robertl <robertl>
Date: Mon, 22 Jan 2007 17:59:41 +0000
Subject: [PATCH] Improve Garmin error case for Windows USB exclusive error
 failure to point finger at Spanner and GPSGate-like substances.

---
 jeeps/gpsusbwin.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/jeeps/gpsusbwin.c b/jeeps/gpsusbwin.c
index 1fe48959f..368ae63e4 100644
--- a/jeeps/gpsusbwin.c
+++ b/jeeps/gpsusbwin.c
@@ -161,6 +161,11 @@ HANDLE * garmin_usb_start(HDEVINFO* hdevinfo, SP_DEVICE_INTERFACE_DATA *infodata
 	usb_handle = CreateFile(pdd->DevicePath, GENERIC_READ|GENERIC_WRITE, 
 			0, NULL, OPEN_EXISTING, 0, NULL );
 	if (usb_handle == INVALID_HANDLE_VALUE) {
+		if (GetLastError() == ACCESS_DENIED) {
+			warning(
+"Exclusive access is denied.  It's likely that something else such as\n"
+"Nroute, Spanner, Google Earth, or GPSGate already has control of the device\n");
+		}
 		GPS_Serial_Error("(usb) CreateFile on '%s' failed", pdd->DevicePath);
 		return NULL;
 	}
-- 
2.30.2