Diff: main.cpp

Revision:

0:9f57b77b5be5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Dec 17 13:21:36 2014 +0000
@@ -0,0 +1,44 @@
+#include "mbed.h"
+
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+AnalogIn pot1(p19);
+AnalogIn pot2(p20);
+
+int main() {
+    float valuePot1, valuePot2, valueAverage;
+    while(1) {
+        valuePot1 = pot1.read(); // the first way of reading from analog input
+        valuePot2 = pot2; // the second (simpler) way of reading from analog input
+        valueAverage = (valuePot1 + valuePot2) / 2; // calculate average
+        if (valueAverage <= 0.2) { // turn off all LEDs
+            led1 = 0;
+            led2 = 0;
+            led3 = 0;
+            led4 = 0;
+        } else if (valueAverage > 0.2 && valueAverage <= 0.4) { // turn LED1 on
+            led1 = 1;
+            led2 = 0;
+            led3 = 0;
+            led4 = 0;
+        } else if (valueAverage > 0.4 && valueAverage <= 0.6) { // turn LED1 and LED2 on
+            led1 = 1;
+            led2 = 1;
+            led3 = 0;
+            led4 = 0;
+        } else if (valueAverage > 0.6 && valueAverage <= 0.8) { // turn LED1, LED2 and LED3 on
+            led1 = 1;
+            led2 = 1;
+            led3 = 1;
+            led4 = 0;
+        } else { // turn on all LEDs
+            led1 = 1;
+            led2 = 1;
+            led3 = 1;
+            led4 = 1;
+        }
+    }
+}