Blink_allLeds for Discovery407VG added

STM32/libraries/BoardExamples/examples/Discovery407VG/Blink_allLeds/Blink_allLeds.ino

@@ -0,0 +1,34 @@
+// blink all LEDs 
+// STM32F4 Discovery
+
+#define GREENLED                PD12
+#define ORANGELED               PD13
+#define GREDLED                 PD14
+#define BLUELED                 PD15
+#define REDLEDOTGOVERCURRENT     PD5
+
+
+#define NUMLEDS 5
+const uint8_t Led[] = {GREENLED, ORANGELED, GREDLED, BLUELED, REDLEDOTGOVERCURRENT};
+
+void setup()
+{
+  for (int n = 0; n < NUMLEDS; n++)  pinMode(Led[n], OUTPUT);
+}
+
+void setLed(uint8_t n, uint8_t state)
+{
+  if(n==4)digitalWrite(Led[n], !state);
+  else digitalWrite(Led[n], state);
+}
+
+void loop()
+{
+  for (int n = 0; n < NUMLEDS; n++)
+  {
+    setLed(n, HIGH);
+    delay(100);
+    setLed(n, LOW);
+    delay(100);
+  }
+}