Fredrik Bjørken / Mbed 2 deprecated Avstandsmaler

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Dependencies:   mbed SRF05

Fork of Ultralydsensor by Fredrik Bjørken

Brede.cpp@1:cdf97a56d4d4, 2016-04-01 (annotated)

Committer:
bredeh
Date:
Fri Apr 01 09:42:39 2016 +0000
Revision:
1:cdf97a56d4d4
Parent:
0:27c5b713c538
Child:
2:c4eb242c1b43
sas

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Bjorken 0:27c5b713c538 1 #include "mbed.h"
Bjorken 0:27c5b713c538 2
bredeh 1:cdf97a56d4d4 3 DigitalOut TriggerPin(p17); //Sender signal
bredeh 1:cdf97a56d4d4 4 DigitalOut EchoPin(p18); //Motar signal
bredeh 1:cdf97a56d4d4 5 DigitalIn Br(p15);
bredeh 1:cdf97a56d4d4 6 DigitalOut myled(LED1);
bredeh 1:cdf97a56d4d4 7 int valg;
bredeh 1:cdf97a56d4d4 8 float tid;
bredeh 1:cdf97a56d4d4 9 Timer timer;
bredeh 1:cdf97a56d4d4 10 Serial pc(USBTX, USBRX);
bredeh 1:cdf97a56d4d4 11
bredeh 1:cdf97a56d4d4 12 Timer echo; //Timer for avlesing av echosignal.
bredeh 1:cdf97a56d4d4 13
bredeh 1:cdf97a56d4d4 14 main()
bredeh 1:cdf97a56d4d4 15 {
bredeh 1:cdf97a56d4d4 16 pc.printf("Tast 1 for avstandsmaaling: ");
bredeh 1:cdf97a56d4d4 17 pc.printf("Tast 2 for bevegelsesmaaling: ");
bredeh 1:cdf97a56d4d4 18 pc.printf("Tast 3 for hastighetsmaaling: ");
bredeh 1:cdf97a56d4d4 19 pc.scanf("%d",&valg);
bredeh 1:cdf97a56d4d4 20
bredeh 1:cdf97a56d4d4 21
bredeh 1:cdf97a56d4d4 22
bredeh 1:cdf97a56d4d4 23 }
bredeh 1:cdf97a56d4d4 24
bredeh 1:cdf97a56d4d4 25 switch meny()
bredeh 1:cdf97a56d4d4 26 {
bredeh 1:cdf97a56d4d4 27 case 1:
bredeh 1:cdf97a56d4d4 28 timer.start()
bredeh 1:cdf97a56d4d4 29 triggerfunc();
bredeh 1:cdf97a56d4d4 30 if(EchoPin==0)
bredeh 1:cdf97a56d4d4 31 {
bredeh 1:cdf97a56d4d4 32 timer.stop();
bredeh 1:cdf97a56d4d4 33 pc.printf(" tiden lyden brukte er %f.4",timer.read();)
bredeh 1:cdf97a56d4d4 34 tid=timer.read()* 340) / 100 /2;
bredeh 1:cdf97a56d4d4 35 pc.printf(" Avstanden er %f.4",tid);
bredeh 1:cdf97a56d4d4 36 }
bredeh 1:cdf97a56d4d4 37
bredeh 1:cdf97a56d4d4 38
bredeh 1:cdf97a56d4d4 39
bredeh 1:cdf97a56d4d4 40
bredeh 1:cdf97a56d4d4 41 /* Sender ut ett trigger signal på 10us */
bredeh 1:cdf97a56d4d4 42 void triggerfunc()
bredeh 1:cdf97a56d4d4 43 {
bredeh 1:cdf97a56d4d4 44 TriggerPin = 1;
bredeh 1:cdf97a56d4d4 45 wait(10u);
bredeh 1:cdf97a56d4d4 46 TriggerPin = 0;
bredeh 1:cdf97a56d4d4 47 }