4 LED flashing program with LPC1114FN28. Easy configuration for : 1. Flash period 2. Flash polarity ( Actilve Low / High ) 3. Selectable number of LED, 2,3 or 4

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
shorie
Date:
Sun Apr 13 05:21:25 2014 +0000
Commit message:
First commit with complete funcitonality

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
diff -r 000000000000 -r 4e264e403d13 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Apr 13 05:21:25 2014 +0000
@@ -0,0 +1,56 @@
+#include "mbed.h"
+
+    /*  Pin declaration for LED */
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(dp27);
+DigitalOut led4(dp26);
+
+#define ACTIVELOW       // Comment out if the LED driver input is Active High
+#define CYCLE 0.5       // Duration of turning on for each LED in second
+#define NUMLED 4        // How many LEDs do you have? 
+
+
+/* Dont change the lines below here */
+
+#ifdef ACTIVELOW
+#define LEDON 0
+#define LEDOFF 1
+#else
+#define LEDON 1
+#define LEDOFF 0
+#endif /* ACTIVELOW */
+
+
+int main() {
+    
+        /* repeat forever */
+    while(1) {
+            /* Turn on and off LED 1 */
+        led1 = LEDON;
+        wait(CYCLE);
+        led1 = LEDOFF;
+        
+            /* Turn on and off LED 2 */
+        led2 = LEDON;
+        wait(CYCLE);
+        led2 = LEDOFF;
+        
+            /* if only two LED, skip LED 3 and 4 */
+#if NUMLED <= 2
+        continue;
+#endif
+            /* Turn on and off LED 3 */
+        led3 = LEDON;
+        wait(CYCLE);
+        led3 = LEDOFF;
+        
+            /* if only three LED, skip LED 4 */
+#if NUMLED <= 3
+        continue;
+#endif
+            /* Turn on and off LED 4 */
+        led4 = LEDON;
+        wait(CYCLE);
+        led4 = LEDOFF;
+    }}
diff -r 000000000000 -r 4e264e403d13 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sun Apr 13 05:21:25 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/6473597d706e
\ No newline at end of file