Callum Rooney / Mbed 2 deprecated ME21001_Lab04_Exercise_04

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed

main.cpp

Committer:
czrooney
Date:
2018-10-11
Revision:
1:0ff79bfe7bcf
Parent:
0:7c52d1c30eb9

File content as of revision 1:0ff79bfe7bcf:

/**************************************************************
/ ME21001  Group m-nn
/
/ Lab 04   Exercise 4
/
/ This program reads an analogue input and displays the results
/ to the PC
/
/**************************************************************/

#include "mbed.h"

AnalogIn A_in(p17);
PwmOut led1(LED1);
PwmOut led2(LED2);
PwmOut led3(LED3);
PwmOut led4(LED4);

int main()  {
    
    float analogue_val = 0.0;
    
    led1.period(0.020);
    led2.period(0.020);
    led3.period(0.020);
    led4.period(0.020);
    
    while(1) {
        
        analogue_val = A_in.read(); 
        
        if (analogue_val<0.25) {
            led1=(analogue_val/0.25);
            led2=led3=led4=0;
        }
        else if (analogue_val<0.5){
            led1=1;
            led2=((analogue_val-0.25)/0.25);
            led3=led4=0;
        }
        else if (analogue_val<0.75){
            led1=led2=1;
            led3=((analogue_val-0.5)/0.25);
            led4=0;
        }
        else {
            led1=led2=led3=1;
            led4=((analogue_val-0.75)/0.25);
        }
        wait (0.100);
    }
}