Fredrik Bjørken / Mbed 2 deprecated Avstandsmaler

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Dependencies:   mbed SRF05

Fork of Ultralydsensor by Fredrik Bjørken

Brede.cpp

Committer:
bredeh
Date:
2016-04-01
Revision:
1:cdf97a56d4d4
Parent:
0:27c5b713c538
Child:
2:c4eb242c1b43

File content as of revision 1:cdf97a56d4d4:

#include "mbed.h"

DigitalOut TriggerPin(p17);  //Sender signal
DigitalOut EchoPin(p18);     //Motar signal
DigitalIn  Br(p15);
DigitalOut myled(LED1);
int valg;
float tid;
Timer timer;
Serial pc(USBTX, USBRX);

Timer echo;   //Timer for avlesing av echosignal.

main()
{
    pc.printf("Tast 1 for avstandsmaaling: ");
    pc.printf("Tast 2 for bevegelsesmaaling: ");
    pc.printf("Tast 3 for hastighetsmaaling: ");
    pc.scanf("%d",&valg);
    
    
    
    }

switch meny()
{
    case 1:
            timer.start()
            triggerfunc();
            if(EchoPin==0)
            {
                timer.stop();
                pc.printf(" tiden lyden brukte er %f.4",timer.read();)
                tid=timer.read()* 340) / 100 /2; 
                pc.printf(" Avstanden er %f.4",tid);
                }
            



/* Sender ut ett trigger signal på 10us */
void triggerfunc()
{
    TriggerPin = 1;
    wait(10u);
    TriggerPin = 0;
}