Diff: main.cpp

Revision:

1:7e6087973b59

Parent:

0:1171c72f5f28

diff -r 1171c72f5f28 -r 7e6087973b59 main.cpp
--- a/main.cpp	Tue Jun 17 19:14:38 2014 +0000
+++ b/main.cpp	Thu Aug 14 15:43:31 2014 +0000
@@ -1,15 +1,25 @@
-//Reads input through the ADC, and transfers to PC terminal 
-#include "mbed.h" 
- 
-Serial pc(USBTX, USBRX); 
-AnalogIn Ain(p20); 
-float ADCdata; 
- 
-int main() { 
- pc.printf("ADC Data Values... \n\r"); 
- while (1) { 
- ADCdata=Ain; 
- pc.printf("%f \n\r",ADCdata); 
- wait (0.5); 
- } 
-} 
\ No newline at end of file
+//****************************************
+//  ES305 Linear Control Systems
+//  Lab 2 - Introduction to mbed microcontroller
+//  Exercise 1 - Analog to Digital Conversion
+//  Reads variable input through the ADC, and transfers to PC terminal
+//
+//  Brian Connett, LCDR, USN
+//****************************************
+
+#include "mbed.h"   //mbed header file from mbed.org includes MOST APIs required to operate LPC
+
+Serial pc(USBTX, USBRX);                                                                     //Create a Serial port connected to USB
+AnalogIn Ain(p18);                                                                           //Create an AnalogIn variable connected to Pin 18
+float ADCdata;                                                                               //Variable declaration to store Analog values
+
+int main()
+{
+    pc.baud(921600);                                                                         //Set baud rate on Serial port to 921600
+    pc.printf("ADC Data Values... \n\r");
+    while (1) {
+        ADCdata=Ain;                                                                         //Store AnalogIn value from Pin 18 into float variable
+        pc.printf("Analog Value: %f Voltage Value: %f \n\r",ADCdata,ADCdata*3.3);            //Print to TeraTerm via Serial TX
+        wait (01.0);                                                                         //Delay for Analysis
+    }
+}
\ No newline at end of file