From 9dc54edf0061f4b881db378d1e16e9e15b9f8e45 Mon Sep 17 00:00:00 2001
From: Christoph Haberer <c.hab@gmx.net>
Date: Tue, 25 Apr 2017 07:04:48 +0200
Subject: [PATCH] OTG leds removed from blink example to prevent OTG-FAULT
 shartcut on the boards

---
 .../Discovery407VG/Blink_allLeds/Blink_allLeds.ino         | 7 +++----
 .../Discovery429ZI/Blink_allLeds/Blink_allLeds.ino         | 6 ++----
 STM32/variants/DISCOVERY_F407VG/variant.h                  | 2 +-
 STM32/variants/DISCOVERY_F429ZI/variant.h                  | 3 ++-
 4 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/STM32/libraries/BoardExamples/examples/Discovery407VG/Blink_allLeds/Blink_allLeds.ino b/STM32/libraries/BoardExamples/examples/Discovery407VG/Blink_allLeds/Blink_allLeds.ino
index 78660ce..271818a 100644
--- a/STM32/libraries/BoardExamples/examples/Discovery407VG/Blink_allLeds/Blink_allLeds.ino
+++ b/STM32/libraries/BoardExamples/examples/Discovery407VG/Blink_allLeds/Blink_allLeds.ino
@@ -7,16 +7,15 @@
 #define LED_BLUE                    PD15 //58
 #define LED_RED                     PD13 //19
 #define LED_ORANGE                  PD13 //57
-#define LED_RED_OTG_OVERCURRENT     PD5
+
 */
 
-#define NUMLEDS 5
-const uint8_t Led[] = {LED_GREEN, LED_ORANGE, LED_RED, LED_BLUE, LED_RED_OTG_OVERCURRENT};
+#define NUMLEDS 4
+const uint8_t Led[] = {LED_GREEN, LED_ORANGE, LED_RED, LED_BLUE};
 
 void setup()
 {
   for (int n = 0; n < NUMLEDS; n++)  pinMode(Led[n], OUTPUT);
-  //pinMode(REDLEDOTGOVERCURRENT,PULL_UP); // needed to protect STMPS2141 FAULT output from shortcutting PC5 on power fault
 }
 
 void setLed(uint8_t n, uint8_t state)
diff --git a/STM32/libraries/BoardExamples/examples/Discovery429ZI/Blink_allLeds/Blink_allLeds.ino b/STM32/libraries/BoardExamples/examples/Discovery429ZI/Blink_allLeds/Blink_allLeds.ino
index 8bc8967..92b28b2 100644
--- a/STM32/libraries/BoardExamples/examples/Discovery429ZI/Blink_allLeds/Blink_allLeds.ino
+++ b/STM32/libraries/BoardExamples/examples/Discovery429ZI/Blink_allLeds/Blink_allLeds.ino
@@ -2,12 +2,10 @@
 // STM32F429 Discovery
 
 #define GREENLED                PG13
-
 #define REDLED                  PG14
-#define OTGFSOC_LED              PC5
 
-#define NUMLEDS 3
-const uint8_t Led[] = {GREENLED, REDLED, OTGFSOC_LED};
+#define NUMLEDS 2
+const uint8_t Led[] = {GREENLED, REDLED};
 
 void setup()
 {
diff --git a/STM32/variants/DISCOVERY_F407VG/variant.h b/STM32/variants/DISCOVERY_F407VG/variant.h
index 3eb130d..8d487be 100644
--- a/STM32/variants/DISCOVERY_F407VG/variant.h
+++ b/STM32/variants/DISCOVERY_F407VG/variant.h
@@ -7,7 +7,7 @@
 #define LED_BLUE                    PD15 // 58
 #define LED_RED                     PD14 // 19
 #define LED_ORANGE                  PD13 // 57
-#define LED_RED_OTG_OVERCURRENT     PD5
+#define LED_RED_OTG_OVERCURRENT     PD5 // be careful with this led. When using it configure the output as PULL_UP.
 
 //On-board user button
 #define USER_BTN                    PA0  // 2
diff --git a/STM32/variants/DISCOVERY_F429ZI/variant.h b/STM32/variants/DISCOVERY_F429ZI/variant.h
index 6a653b6..cb76165 100644
--- a/STM32/variants/DISCOVERY_F429ZI/variant.h
+++ b/STM32/variants/DISCOVERY_F429ZI/variant.h
@@ -1,10 +1,11 @@
 #ifndef VARIANT_H
 #define VARIANT_H
 
+//On-board LED pin number           PIN 
 #define LED_BUILTIN PG13
 #define LED_GREEN                   LED_BUILTIN
 #define LED_RED                     PG14 
-#define LED_RED_OTG_OVERCURRENT     PC5
+#define LED_RED_OTG_OVERCURRENT     PC5 // be careful with this led. When using it configure the output as PULL_UP.
 
 //On-board user button
 #define USER_BTN                    PA0