ES305H Lanier Turchan / Mbed 2 deprecated MBED_lab1_Step2

step 2

Dependencies:   mbed

main.cpp@0:aeb4b85ccd83, 2014-09-04 (annotated)

Committer:
LanierUSNA16
Date:
Thu Sep 04 03:05:20 2014 +0000
Revision:
0:aeb4b85ccd83
step 2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
LanierUSNA16 0:aeb4b85ccd83 1
LanierUSNA16 0:aeb4b85ccd83 2 #include "mbed.h"
LanierUSNA16 0:aeb4b85ccd83 3 //Lab 2, part 2
LanierUSNA16 0:aeb4b85ccd83 4
LanierUSNA16 0:aeb4b85ccd83 5 //code given by professor
LanierUSNA16 0:aeb4b85ccd83 6 Serial pc(USBTX, USBRX);
LanierUSNA16 0:aeb4b85ccd83 7
LanierUSNA16 0:aeb4b85ccd83 8 //Establish analog input on pin 20, called ain
LanierUSNA16 0:aeb4b85ccd83 9 AnalogIn ain1(p20);
LanierUSNA16 0:aeb4b85ccd83 10 //create BusOut on MBED leds
LanierUSNA16 0:aeb4b85ccd83 11 BusOut leds(LED1, LED2, LED3, LED4);
LanierUSNA16 0:aeb4b85ccd83 12 //create float variable to store the analog voltage
LanierUSNA16 0:aeb4b85ccd83 13 float signal1 = 0.0;
LanierUSNA16 0:aeb4b85ccd83 14
LanierUSNA16 0:aeb4b85ccd83 15 int main()
LanierUSNA16 0:aeb4b85ccd83 16 {//begin main
LanierUSNA16 0:aeb4b85ccd83 17
LanierUSNA16 0:aeb4b85ccd83 18 while(1)
LanierUSNA16 0:aeb4b85ccd83 19 {
LanierUSNA16 0:aeb4b85ccd83 20 //set computer sampling rate
LanierUSNA16 0:aeb4b85ccd83 21 pc.baud(921600);
LanierUSNA16 0:aeb4b85ccd83 22 //store the input analog voltage in the variable signal1
LanierUSNA16 0:aeb4b85ccd83 23 signal1 = ain1;
LanierUSNA16 0:aeb4b85ccd83 24
LanierUSNA16 0:aeb4b85ccd83 25 if (signal1<=0.2)
LanierUSNA16 0:aeb4b85ccd83 26 {//if the analog input is less than 0.2, turn all the lights off
LanierUSNA16 0:aeb4b85ccd83 27 leds=0;
LanierUSNA16 0:aeb4b85ccd83 28 }
LanierUSNA16 0:aeb4b85ccd83 29
LanierUSNA16 0:aeb4b85ccd83 30 if((signal1>0.2) && (signal1<=0.4))
LanierUSNA16 0:aeb4b85ccd83 31 {//if the analog input is between 0.2 and 0.4, turn on only LED1
LanierUSNA16 0:aeb4b85ccd83 32 leds=1;
LanierUSNA16 0:aeb4b85ccd83 33 }
LanierUSNA16 0:aeb4b85ccd83 34
LanierUSNA16 0:aeb4b85ccd83 35 if((signal1>0.4) && (signal1<=0.6))
LanierUSNA16 0:aeb4b85ccd83 36 {//if the analog input is between 0.4 and 0.6, turn on LED1 and LED2
LanierUSNA16 0:aeb4b85ccd83 37 leds=3;
LanierUSNA16 0:aeb4b85ccd83 38 }
LanierUSNA16 0:aeb4b85ccd83 39 if((signal1>0.6) && (signal1<=0.8))
LanierUSNA16 0:aeb4b85ccd83 40 {//if the analog input is between 0.6 and 0.8, turn on all lights, but LED4
LanierUSNA16 0:aeb4b85ccd83 41 leds=7;
LanierUSNA16 0:aeb4b85ccd83 42 }
LanierUSNA16 0:aeb4b85ccd83 43 if((signal1>0.8) && (signal1<=1.0))
LanierUSNA16 0:aeb4b85ccd83 44 {//if the analog input is between 0.8 and 1.0, turn on all lights
LanierUSNA16 0:aeb4b85ccd83 45 leds=15;
LanierUSNA16 0:aeb4b85ccd83 46 }
LanierUSNA16 0:aeb4b85ccd83 47 //print the input voltage to the Tera Term window, so we can double check the lights are turning on when they're supposed to
LanierUSNA16 0:aeb4b85ccd83 48 printf("%f\n", signal1);
LanierUSNA16 0:aeb4b85ccd83 49 //wait 0.5 seconds before running the loop again. Keeps the Tera Term window readable.
LanierUSNA16 0:aeb4b85ccd83 50 wait(0.5);
LanierUSNA16 0:aeb4b85ccd83 51 }
LanierUSNA16 0:aeb4b85ccd83 52
LanierUSNA16 0:aeb4b85ccd83 53 }//end main