Diff: main.cpp

Revision:

5:97fa889845b0

Parent:

3:abab0082e271

Child:

6:885e2cb16d7d

--- a/main.cpp	Fri Jul 10 05:46:58 2015 +0000
+++ b/main.cpp	Fri Jul 24 01:48:17 2015 +0000
@@ -3,23 +3,26 @@
 #include "mbed.h"
 
 // Initialize a pins to perform analog input and digital output fucntions
+DigitalOut shield_led_off(D10);     // LED_GREEN on easy module shield
 AnalogIn   ain(A0);     
-DigitalOut myled(LED1);     // on-board LED_RED
+DigitalOut myled_R(D9);             // LED_RED on easy module shield
 
 int main(void)
 {
+    shield_led_off = 0;     // turn off Green LED on shield
+    
     while (1) {
-        // test the voltage on the initialized analog pin
-        //  and if greater than 0.4 * VCC set the digital pin
+    
+        // If greater than 0.4 * VCC set the digital pin
         //  to a logic 1 otherwise a logic 0
-        if(ain > 0.4f) {
-            myled = 1;      // Red LED Off
+        if(ain > 0.5f) {
+            myled_R = 1;      // Red LED ON
         } else {
-            myled = 0;      // Red LED On
+            myled_R = 0;      // Red LED OFF
         }
         
-        // print the percentage and normalized values
-        printf("percentage: %3.3f%%\r\n", ain.read()*100.0f);
+        // output the voltage and analog values
+        printf("voltage value : %3.3f\r\n", ain.read()*3.3f);
         printf("analog value : %3.3f\r\n", ain.read());
         wait(1.0);
     }