From d0b8a9755d5d20e033bd3c399f360d44373469ea Mon Sep 17 00:00:00 2001
From: pip <pip>
Date: Sun, 12 Sep 2010 10:47:20 +0000
Subject: [PATCH] Added USB_LED_ON/USB_LED_OFF and checks to see if they are
 defined to the PIOS_USB_HID_ChangeConnectionState function ..

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1596 ebee16cc-31ac-478f-84a7-5cbb03baadba
---
 flight/PiOS/STM32F10x/pios_usb_hid.c | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/flight/PiOS/STM32F10x/pios_usb_hid.c b/flight/PiOS/STM32F10x/pios_usb_hid.c
index 87b2bca6f..42a8f4b38 100644
--- a/flight/PiOS/STM32F10x/pios_usb_hid.c
+++ b/flight/PiOS/STM32F10x/pios_usb_hid.c
@@ -118,14 +118,27 @@ int32_t PIOS_USB_HID_Init(uint32_t mode)
 */
 int32_t PIOS_USB_HID_ChangeConnectionState(uint32_t Connected)
 {
-	/* In all cases: re-initialise USB HID driver */
-	if(Connected) {
+	// In all cases: re-initialise USB HID driver
+	if (Connected)
+	{
 		transfer_possible = 1;
+
 		//TODO: Check SetEPRxValid(ENDP1);
-	} else {
-		/* Cable disconnected: disable transfers */
-		transfer_possible = 0;
+
+		#if defined(USB_LED_ON)
+			USB_LED_ON;		// turn the USB led on
+		#endif
 	}
+	else
+	{
+		// Cable disconnected: disable transfers
+		transfer_possible = 0;
+
+		#if defined(USB_LED_OFF)
+			USB_LED_OFF;	// turn the USB led off
+		#endif
+	}
+
 	return 0;
 }