University of Plymouth - Stages 1, 2 and 3 / Mbed OS Task414

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Fork of Task414 by Nicholas Outram

main.cpp@2:252ba8fbe314, 2019-09-18 (annotated)

Committer:
noutram
Date:
Wed Sep 18 13:11:06 2019 +0000
Revision:
2:252ba8fbe314
Parent:
0:a4f5053c990a 
2019

Who changed what in which revision?

UserRevisionLine numberNew contents of line
noutram 0:a4f5053c990a 1 #include "mbed.h"
noutram 0:a4f5053c990a 2 #define kRED 4
noutram 0:a4f5053c990a 3 #define kYELLOW 2
noutram 0:a4f5053c990a 4 #define kGREEN 1
noutram 0:a4f5053c990a 5
noutram 0:a4f5053c990a 6
noutram 0:a4f5053c990a 7 //Global objects
noutram 0:a4f5053c990a 8 BusOut binaryOutput(D5, D6, D7);
noutram 0:a4f5053c990a 9
noutram 0:a4f5053c990a 10 DigitalIn SW1(D3);
noutram 0:a4f5053c990a 11 DigitalIn SW2(D4);
noutram 0:a4f5053c990a 12
noutram 0:a4f5053c990a 13 AnalogIn AIN(A0);
noutram 0:a4f5053c990a 14 float fVin = 0.0;
noutram 0:a4f5053c990a 15
noutram 0:a4f5053c990a 16 //Main function
noutram 0:a4f5053c990a 17 int main() {
noutram 0:a4f5053c990a 18
noutram 0:a4f5053c990a 19
noutram 0:a4f5053c990a 20 while(1) {
noutram 0:a4f5053c990a 21
noutram 0:a4f5053c990a 22 //Read ADC
noutram 0:a4f5053c990a 23 fVin = AIN;
noutram 0:a4f5053c990a 24
noutram 0:a4f5053c990a 25 //Write to terminal
noutram 0:a4f5053c990a 26 //3 decimal places, fieldwidth=5
noutram 0:a4f5053c990a 27 printf("Analog input = %6.4f\n", fVin);
noutram 0:a4f5053c990a 28
noutram 0:a4f5053c990a 29 if (fVin < 0.4f) {
noutram 0:a4f5053c990a 30 binaryOutput = kGREEN;
noutram 0:a4f5053c990a 31 } else if (fVin < 0.6f) {
noutram 0:a4f5053c990a 32 binaryOutput = kYELLOW;
noutram 0:a4f5053c990a 33 } else {
noutram 0:a4f5053c990a 34 binaryOutput = kRED;
noutram 0:a4f5053c990a 35 }
noutram 0:a4f5053c990a 36
noutram 0:a4f5053c990a 37 //Wait
noutram 0:a4f5053c990a 38 wait(0.1);
noutram 0:a4f5053c990a 39
noutram 0:a4f5053c990a 40 } //end while(1)
noutram 0:a4f5053c990a 41 } //end main