Dhiraj Matlani / HCSR04

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main.cpp@9:e703afddc87e, 2019-12-06 (annotated)

Committer:
VPKD1669
Date:
Fri Dec 06 21:52:13 2019 +0000
Revision:
9:e703afddc87e
Parent:
8:25138f7b9309 
IT WORKS EFFECTIVELY WITH ULTRASONIC SENSOR

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andcor02 8:25138f7b9309 1 #include "mbed.h"
andcor02 8:25138f7b9309 2 #include "hcsr04.h"
andcor02 8:25138f7b9309 3
andcor02 8:25138f7b9309 4
andcor02 8:25138f7b9309 5 DigitalOut myled(LED1);
VPKD1669 9:e703afddc87e 6 Serial pc(USBTX,USBRX);
VPKD1669 9:e703afddc87e 7 HCSR04 usensor(D8,D12);
andcor02 8:25138f7b9309 8 unsigned int dist;
VPKD1669 9:e703afddc87e 9 DigitalOut GREEN(D13);
VPKD1669 9:e703afddc87e 10 DigitalOut BLUE(LED3);
VPKD1669 9:e703afddc87e 11 Timer dt;
VPKD1669 9:e703afddc87e 12
andcor02 8:25138f7b9309 13 int main()
andcor02 8:25138f7b9309 14 {
VPKD1669 9:e703afddc87e 15 BLUE=1;
VPKD1669 9:e703afddc87e 16 pc.baud(9600);
VPKD1669 9:e703afddc87e 17 dt.start();
andcor02 8:25138f7b9309 18 while(1) {
andcor02 8:25138f7b9309 19 usensor.start();
andcor02 8:25138f7b9309 20 wait_ms(500);
andcor02 8:25138f7b9309 21 dist=usensor.get_dist_cm();
VPKD1669 9:e703afddc87e 22 printf("\n\r cm:%ld",dist);
VPKD1669 9:e703afddc87e 23 if (dist>1 and dist<=20)
VPKD1669 9:e703afddc87e 24 {
VPKD1669 9:e703afddc87e 25 GREEN = !GREEN;
VPKD1669 9:e703afddc87e 26 }
VPKD1669 9:e703afddc87e 27 else
VPKD1669 9:e703afddc87e 28 {
VPKD1669 9:e703afddc87e 29 BLUE=0;
VPKD1669 9:e703afddc87e 30 }
andcor02 8:25138f7b9309 31
andcor02 8:25138f7b9309 32 }
andcor02 8:25138f7b9309 33 }