Program pulses the board LED from 0% to 100% and back using soft PWM. Tested on Nucleo F030R8.

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
TRodziewicz
Date:
Tue May 27 16:54:20 2014 +0000
Commit message:
Program pulses the board LED from 0% to 100% and back using soft PWM.; ; Tested on Nucleo F030R8.

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue May 27 16:54:20 2014 +0000
@@ -0,0 +1,26 @@
+#include "mbed.h"
+
+#define PWM_STEPS   100
+#define PWM_SPEED   50
+#define LED_ON      1
+#define LED_OFF     0
+
+DigitalOut myled(LED1);
+
+void blink_led(int from, int to) 
+{
+    for (int i = 0; i < PWM_STEPS; i++) { 
+        myled = from;
+        wait_us(i * PWM_SPEED);
+        
+        myled = to;
+        wait_us((PWM_STEPS - i) * PWM_SPEED);
+    }
+}
+
+int main() {
+    while (1) {    
+        blink_led(LED_ON, LED_OFF);
+        blink_led(LED_OFF, LED_ON);
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue May 27 16:54:20 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/0b3ab51c8877
\ No newline at end of file