From 16bfdade78e6e88cecde7c47d623dfa3a016b342 Mon Sep 17 00:00:00 2001
From: t-moe <timolang@gmail.com>
Date: Tue, 2 Jun 2015 17:03:10 +0200
Subject: [PATCH] Removed conflicting led usage from usb code.

---
 discovery/src/ll_system.c | 8 +++-----
 discovery/src/usbh_usr.c  | 4 ----
 2 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/discovery/src/ll_system.c b/discovery/src/ll_system.c
index 5858d64..3b93a6f 100644
--- a/discovery/src/ll_system.c
+++ b/discovery/src/ll_system.c
@@ -32,12 +32,10 @@ bool ll_system_init(void)
   /* Initialize LEDS */
   STM_EVAL_LEDInit(LED3);
   STM_EVAL_LEDInit(LED4);
-  STM_EVAL_LEDInit(LED5);
-  STM_EVAL_LEDInit(LED6);
+  //LED5 and LED6 can not be used because of pin conflict. See docu
+  
   STM_EVAL_PBInit(BUTTON_USER, BUTTON_MODE_GPIO);
  
-  /* Blue Led On: start of application */
-  STM_EVAL_LEDOn(LED6);
        
   /* SysTick end of count event each 1ms */
   RCC_GetClocksFreq(&RCC_Clocks); //we run at 168mhz :)
@@ -58,5 +56,5 @@ void ll_system_delay(uint32_t msec) {
 }
 
 void ll_system_toggle_led() {	
-	STM_EVAL_LEDToggle(LED6);
+    //no led's free :(
 }
diff --git a/discovery/src/usbh_usr.c b/discovery/src/usbh_usr.c
index c0ed14c..1d8f8a3 100644
--- a/discovery/src/usbh_usr.c
+++ b/discovery/src/usbh_usr.c
@@ -52,8 +52,6 @@ void USBH_USR_DeviceAttached(void)
 	product_ok= false;
 	serial_ok=false;
 
-  
-  	STM_EVAL_LEDOff(LED5);
   	STM_EVAL_LEDOff(LED3);
   	STM_EVAL_LEDOn(LED4);
 }
@@ -75,8 +73,6 @@ void USBH_USR_UnrecoveredError (void)
   */
 void USBH_USR_DeviceDisconnected (void)
 {
-  /* Red Led on if the USB Key is removed */
-  STM_EVAL_LEDOn(LED5);
   STM_EVAL_LEDOff(LED4);
 }