Umair Aftab / Mbed 2 deprecated DS18B20MultipleSensors

Auto search for All DS18B20 sensors on data bus

Dependencies:   mbed

main.cpp@0:a2a81f538133, 2014-04-13 (annotated)

Committer:
umairaftab
Date:
Sun Apr 13 10:06:52 2014 +0000
Revision:
0:a2a81f538133
Multiple Sensors Functionality Added to Peter Sudensikis Library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
umairaftab 0:a2a81f538133 1 #include <mbed.h>
umairaftab 0:a2a81f538133 2 #include "DS18B20.h"
umairaftab 0:a2a81f538133 3 #include "OneWireDefs.h"
umairaftab 0:a2a81f538133 4
umairaftab 0:a2a81f538133 5 #define THERMOMETER DS18B20
umairaftab 0:a2a81f538133 6
umairaftab 0:a2a81f538133 7 float temp;
umairaftab 0:a2a81f538133 8 // device( mbed pin )
umairaftab 0:a2a81f538133 9 THERMOMETER device(PTC11);
umairaftab 0:a2a81f538133 10
umairaftab 0:a2a81f538133 11 void readTemp(int deviceNum)
umairaftab 0:a2a81f538133 12 {
umairaftab 0:a2a81f538133 13 temp = device.readTemperature(deviceNum);
umairaftab 0:a2a81f538133 14 printf("Device %d is %f\n\r",deviceNum, temp);
umairaftab 0:a2a81f538133 15 wait(0.5);
umairaftab 0:a2a81f538133 16 }
umairaftab 0:a2a81f538133 17
umairaftab 0:a2a81f538133 18 int main()
umairaftab 0:a2a81f538133 19 {
umairaftab 0:a2a81f538133 20
umairaftab 0:a2a81f538133 21 while (!device.initialize()); // keep calling until it works
umairaftab 0:a2a81f538133 22
umairaftab 0:a2a81f538133 23 int deviceCount = device.getDeviceCount();
umairaftab 0:a2a81f538133 24 printf("Found %d sensors\n\r",deviceCount);
umairaftab 0:a2a81f538133 25
umairaftab 0:a2a81f538133 26 device.setResolution(twelveBit);
umairaftab 0:a2a81f538133 27 while (true)
umairaftab 0:a2a81f538133 28 {
umairaftab 0:a2a81f538133 29 for (int i = 0;i < deviceCount; i++)
umairaftab 0:a2a81f538133 30 readTemp(i);
umairaftab 0:a2a81f538133 31 }
umairaftab 0:a2a81f538133 32 }
umairaftab 0:a2a81f538133 33