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:c1e6182f8ed6, committed 2014-11-28
- Comitter:
- 4180_1
- Date:
- Fri Nov 28 18:01:50 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 18:01:50 2014 +0000
@@ -0,0 +1,21 @@
+#include "mbed.h"
+//LED Tower Strobe Light Effect
+//
+BusOut myleds(LED1, LED2, LED3, LED4);
+//groups 4 built-in LEDs digital outputs together
+//on mbed LPC1768 - change pins for other platforms
+int main()
+{
+ while(1) {
+ int j=1; //one LED on at start of loop
+ for(int i=1; i<16; i++) {
+ //sends out digital values for all LEDs (0 or 1)
+ myleds = j;
+ //binary shift the 1-bit (1=LED on) left by one
+ j = j<<1;
+ //use wait to add a time delay close to a real tower light
+ wait(0.093);
+ }
+ }
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Nov 28 18:01:50 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/031413cf7a89 \ No newline at end of file