Diff: main.cpp

Revision:

0:06ea14e458e3

Child:

1:71b75f1d31ca

diff -r 000000000000 -r 06ea14e458e3 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Sep 01 10:33:17 2013 +0000
@@ -0,0 +1,22 @@
+/*Program 5: Reads input voltage through the ADC, and transfers to PC terminal */
+#include "mbed.h"
+
+Serial pc(USBTX, USBRX); //enable serial port which links to USB
+AnalogIn Ain(p20);
+Timer t;
+float ADCdata;
+
+int main() {
+    pc.printf("ADC Data Values…\n\r"); //send an opening text message 
+    while(1){
+        t.start();
+         for (int i=0;i<=9;i++) {
+            ADCdata=ADCdata+Ain*3.3; //sum 10 samples
+        }
+        ADCdata=ADCdata/10; //divide by 10
+        wait(0.5);
+        pc.printf("%1.3f \n\r",ADCdata); //send the data to the terminal
+        t.stop();
+        printf("The time taken was %f seconds\n", t.read());
+    }
+}