1 files changed, 11 insertions, 17 deletions
diff --git a/main.cpp.example b/main.cpp.example
index 1032733..8fc522a 100644
--- a/main.cpp.example
+++ b/main.cpp.example
@@ -1,15 +1,17 @@
-// Sample main.cpp file. Blinks an LED, sends a message out USART2
-// and turns on PWM on pin 2
+// Sample main.cpp file. Blinks the built-in LED, sends a message out
+// USART2, and turns on PWM on pin 2.
 
 #include "wirish.h"
 
-#define LED_PIN 13
 #define PWM_PIN  2
 
-void setup()
-{
+void setup() {
     /* Set up the LED to blink  */
-    pinMode(LED_PIN, OUTPUT);
+    pinMode(BOARD_LED_PIN, OUTPUT);
+
+    /* Turn on PWM on pin PWM_PIN */
+    pinMode(PWM_PIN, PWM);
+    pwmWrite(PWM_PIN, 0x8000);
 
     /* Send a message out USART2  */
     Serial2.begin(9600);
@@ -17,28 +19,20 @@ void setup()
 
     /* Send a message out the usb virtual serial port  */
     SerialUSB.println("Hello!");
-
-    /* Turn on PWM on pin PWM_PIN */
-    pinMode(PWM_PIN, PWM);
-    pwmWrite(PWM_PIN, 0x8000);
 }
 
-int toggle = 0;
-
 void loop() {
-    toggle ^= 1;
-    digitalWrite(LED_PIN, toggle);
+    toggleLED();
     delay(100);
 }
 
 // Force init to be called *first*, i.e. before static object allocation.
 // Otherwise, statically allocated object that need libmaple may fail.
- __attribute__(( constructor )) void premain() {
+__attribute__(( constructor )) void premain() {
     init();
 }
 
-int main(void)
-{
+int main(void) {
     setup();
 
     while (1) {