ES305 Lab2 Exercise2 Analog to Digital Conversion using digital bus out to LED

Dependencies:   mbed

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API Documentation at this revision

Comitter:
brianconnett
Date:
Thu Aug 14 15:45:16 2014 +0000
Commit message:
ES305 Lab2 Exercise2

Changed in this revision

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diff -r 000000000000 -r 7313e1b1dde1 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Aug 14 15:45:16 2014 +0000
@@ -0,0 +1,37 @@
+//****************************************
+//  ES305 Linear Control Systems
+//  Lab 2 - Introduction to mbed microcontroller
+//  Exercise 2 - Analog to Digital Conversion
+//  Reads variable input through the ADC, and control LED illumination using BusOut binary
+//
+//  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
+BusOut myLEDs(LED1,LED2,LED3,LED4);                                                          //Create a digital bus out, used for setting the state of collection of pins(LED)
+float ADCdata;
+
+int main()
+{
+    pc.baud(921600);                                                                         //Set up serial port baud rate
+    pc.printf("ADC Data Values... \n\r");
+    while (1) {
+        ADCdata=Ain;
+        pc.printf("Analog Value: %f Voltage Value: %f \n\r",ADCdata,ADCdata*3.3);            //Print to TeraTerm via Serial TX
+        wait (01.0);
+        if (ADCdata >= 0.8)                                                                  //Conditional analysis that illuminates cooresponding LED
+            myLEDs=1;                                                                        //when specific AnalogIn values are met
+        if (ADCdata < 0.8 && ADCdata >0.6)
+            myLEDs=3;
+        if (ADCdata < 0.6 && ADCdata >0.4)
+            myLEDs=7;
+        if (ADCdata < 0.4 && ADCdata >0.2)
+            myLEDs=15;
+        if (ADCdata < 0.2)
+            myLEDs=0;
+
+    }
+}
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diff -r 000000000000 -r 7313e1b1dde1 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Aug 14 15:45:16 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/6213f644d804
\ No newline at end of file