jim hamblen
Demo of LED lighting effects using PWM and wait for time delays. Pins are setup for LPC1768 platform’s LEDs. For complete information, see http://developer.mbed.org/users/4180_1/notebook/led-lighting-effects-for-modelers/
Revision 0:4f30d6d9f970, committed 2014-11-28
- Comitter:
- 4180_1
- Date:
- Fri Nov 28 17:55:51 2014 +0000
- Commit message:
- ver 1.0
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 Fri Nov 28 17:55:51 2014 +0000
@@ -0,0 +1,26 @@
+#include "mbed.h"
+//LED Warning Beacon Lighting Effect
+PwmOut myled(LED2);
+//Use a PWM output to enable dimming
+//1.0 is full on, 0.0 off, 0.5 50% on
+int main()
+{
+ while(1) {
+ //LED warm up effect using PWM
+ for(int i=0; i<50; i++) {
+ myled = i/50.0;
+ wait(0.02);
+ }
+ //LED at full brightness level
+ myled = 1.0;
+ wait(0.25);
+ //LED cool down effect using PWM
+ for(int i=49; i>0; i--) {
+ myled = i/50.0;
+ wait(0.02);
+ }
+ //LED off
+ myled = 0.0;
+ wait(1.5);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Nov 28 17:55:51 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/031413cf7a89 \ No newline at end of file