Diff: main.cpp

Revision:

0:74d086537907

Child:

1:30d1c1087477

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Feb 24 14:54:55 2017 +0000
@@ -0,0 +1,31 @@
+/* ELEC1620 Application Board Example
+
+Potentiometers
+
+(c) Dr Craig A. Evans, University of Leeds, Feb 2017
+
+*/
+
+#include "mbed.h"
+
+AnalogIn pot0(p20);
+AnalogIn pot1(p19);
+AnalogIn pot2(p17);
+
+int main() {
+    
+    while(1) {
+        
+        float pot0_val = pot0.read();  // returns a float in the range 0.0 to 1.0
+        //float pot0_val = pot0;       // short-hand 
+        
+        float pot0_voltage = pot0_val*3.3f;  // multiply by 3.3 to get the voltage
+        
+        int pot0_int_val = pot0.read_u16();  // can also get int in range 0 to 65,535
+        
+        printf("Pot 0 val = %.2f [%i] (%.2f V)\n",pot0_val,pot0_int_val,pot0_voltage);
+        
+        wait(0.2);
+        
+    }
+}