DS18b20 example

Dependencies:   DS1820 mbed-STM32F103C8T6 mbed

main.cpp

Committer:
kezzab25
Date:
2018-11-09
Revision:
5:0281a22f3cc7
Parent:
3:f483abe4bc57

File content as of revision 5:0281a22f3cc7:

#define MULTIPLE_PROBES
#define DATA_PIN        A0


#ifdef MULTIPLE_PROBES
#include "stm32f103c8t6.h"
#include "mbed.h"
#include "DS1820.h"

#define MAX_PROBES      16

DS1820* probe[MAX_PROBES];

int main()
{
    // Initialize the probe array to DS1820 objects
    int num_devices = 0;
    while(DS1820::unassignedProbe(DATA_PIN)) {
        probe[num_devices] = new DS1820(DATA_PIN);
        num_devices++;
        if (num_devices == MAX_PROBES)
            break;
    }

    printf("Found %d device(s)\r\n\n", num_devices);
    while(1) {
        probe[0]->convertTemperature(true, DS1820::all_devices);         //Start temperature conversion, wait until ready
        for (int i = 0; i<num_devices; i++)
            printf("Device %d returns %3.1foC\r\n", i, probe[i]->temperature());
        printf("\r\n");
        wait(1);
    }

}

#else
#include "stm32f103c8t6.h"
#include "mbed.h"
#include "DS1820.h"

DS1820 probe(DATA_PIN);

int main()
{
    while(1) {
        probe.convertTemperature(true, DS1820::all_devices);         //Start temperature conversion, wait until ready
        printf("It is %3.1foC\r\n", probe.temperature());
        wait(1);
    }
}

#endif