Dhiraj Matlani / HCSR04

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main.cpp

Committer:
VPKD1669
Date:
2019-12-06
Revision:
9:e703afddc87e
Parent:
8:25138f7b9309

File content as of revision 9:e703afddc87e:

#include "mbed.h"
#include "hcsr04.h"

 
DigitalOut myled(LED1);
Serial pc(USBTX,USBRX);
HCSR04  usensor(D8,D12);
unsigned int dist;
DigitalOut GREEN(D13); 
DigitalOut BLUE(LED3);  
Timer dt;

int main()
{
    BLUE=1;
    pc.baud(9600);
    dt.start(); 
    while(1) {
        usensor.start();
        wait_ms(500); 
        dist=usensor.get_dist_cm();
        printf("\n\r cm:%ld",dist);
        if (dist>1 and dist<=20)
        {
         GREEN = !GREEN;
        }
        else
        {
            BLUE=0;
        }
 
    }
}