Callum Rooney / Mbed 2 deprecated ME21001_Lab04_Exercise_04

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Dependencies:   mbed

main.cpp@1:0ff79bfe7bcf, 2018-10-11 (annotated)

Committer:
czrooney
Date:
Thu Oct 11 14:34:30 2018 +0000
Revision:
1:0ff79bfe7bcf
Parent:
0:7c52d1c30eb9 
;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
czrooney 1:0ff79bfe7bcf 1 /**************************************************************
czrooney 1:0ff79bfe7bcf 2 / ME21001 Group m-nn
czrooney 1:0ff79bfe7bcf 3 /
czrooney 1:0ff79bfe7bcf 4 / Lab 04 Exercise 4
czrooney 1:0ff79bfe7bcf 5 /
czrooney 1:0ff79bfe7bcf 6 / This program reads an analogue input and displays the results
czrooney 1:0ff79bfe7bcf 7 / to the PC
czrooney 1:0ff79bfe7bcf 8 /
czrooney 1:0ff79bfe7bcf 9 /**************************************************************/
czrooney 1:0ff79bfe7bcf 10
czrooney 0:7c52d1c30eb9 11 #include "mbed.h"
czrooney 0:7c52d1c30eb9 12
czrooney 1:0ff79bfe7bcf 13 AnalogIn A_in(p17);
czrooney 1:0ff79bfe7bcf 14 PwmOut led1(LED1);
czrooney 1:0ff79bfe7bcf 15 PwmOut led2(LED2);
czrooney 1:0ff79bfe7bcf 16 PwmOut led3(LED3);
czrooney 1:0ff79bfe7bcf 17 PwmOut led4(LED4);
czrooney 0:7c52d1c30eb9 18
czrooney 1:0ff79bfe7bcf 19 int main() {
czrooney 1:0ff79bfe7bcf 20
czrooney 1:0ff79bfe7bcf 21 float analogue_val = 0.0;
czrooney 1:0ff79bfe7bcf 22
czrooney 1:0ff79bfe7bcf 23 led1.period(0.020);
czrooney 1:0ff79bfe7bcf 24 led2.period(0.020);
czrooney 1:0ff79bfe7bcf 25 led3.period(0.020);
czrooney 1:0ff79bfe7bcf 26 led4.period(0.020);
czrooney 1:0ff79bfe7bcf 27
czrooney 0:7c52d1c30eb9 28 while(1) {
czrooney 1:0ff79bfe7bcf 29
czrooney 1:0ff79bfe7bcf 30 analogue_val = A_in.read();
czrooney 1:0ff79bfe7bcf 31
czrooney 1:0ff79bfe7bcf 32 if (analogue_val<0.25) {
czrooney 1:0ff79bfe7bcf 33 led1=(analogue_val/0.25);
czrooney 1:0ff79bfe7bcf 34 led2=led3=led4=0;
czrooney 1:0ff79bfe7bcf 35 }
czrooney 1:0ff79bfe7bcf 36 else if (analogue_val<0.5){
czrooney 1:0ff79bfe7bcf 37 led1=1;
czrooney 1:0ff79bfe7bcf 38 led2=((analogue_val-0.25)/0.25);
czrooney 1:0ff79bfe7bcf 39 led3=led4=0;
czrooney 1:0ff79bfe7bcf 40 }
czrooney 1:0ff79bfe7bcf 41 else if (analogue_val<0.75){
czrooney 1:0ff79bfe7bcf 42 led1=led2=1;
czrooney 1:0ff79bfe7bcf 43 led3=((analogue_val-0.5)/0.25);
czrooney 1:0ff79bfe7bcf 44 led4=0;
czrooney 1:0ff79bfe7bcf 45 }
czrooney 1:0ff79bfe7bcf 46 else {
czrooney 1:0ff79bfe7bcf 47 led1=led2=led3=1;
czrooney 1:0ff79bfe7bcf 48 led4=((analogue_val-0.75)/0.25);
czrooney 1:0ff79bfe7bcf 49 }
czrooney 1:0ff79bfe7bcf 50 wait (0.100);
czrooney 0:7c52d1c30eb9 51 }
czrooney 0:7c52d1c30eb9 52 }
czrooney 1:0ff79bfe7bcf 53