MCP970x.cpp

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#include <stdio.h>
#include <unistd.h>
#include "../hubolib.h"

using namespace HuboLib;

/*
Compile and link: 
    g++ MCP970x.cpp -L../ -lhubo -lpthread -lrt -o MCP970x.out
Run:
    sudo ./MCP970x.out
Purpose:
    Simple usage of an MCP9700 and MCP9701 temperature sensor.
*/

int main(void)
{
/*
    double volt;
    printf ("Some voltages and their corresponding temperatures.\n");
    volt = 0.0;
    printf ("Voltage=%lf Associated temperatures: MCP9701=%lf°C MCP9700=%lf°C\n", volt, Get_MCP7901_Temperature(volt), Get_MCP7900_Temperature(volt));
    volt = 0.4;
    printf ("Voltage=%lf Associated temperatures: MCP9701=%lf°C MCP9700=%lf°C\n", volt, Get_MCP7901_Temperature(volt), Get_MCP7900_Temperature(volt));
    volt = 0.5;
    printf ("Voltage=%lf Associated temperatures: MCP9701=%lf°C MCP9700=%lf°C\n", volt, Get_MCP7901_Temperature(volt), Get_MCP7900_Temperature(volt));
    volt = 1.0;
    printf ("Voltage=%lf Associated temperatures: MCP9701=%lf°C MCP9700=%lf°C\n", volt, Get_MCP7901_Temperature(volt), Get_MCP7900_Temperature(volt));
    volt = 2.0;
    printf ("Voltage=%lf Associated temperatures: MCP9701=%lf°C MCP9700=%lf°C\n", volt, Get_MCP7901_Temperature(volt), Get_MCP7900_Temperature(volt));
*/
    // Initialize the library once in your program.
    if (!Initialize())
    {
        printf ("Error: Initialize\n");
        return 1;
    }

    // Retrieving the reference voltage requires the library to be initialized.
    double volt = Get_VRef();
//  printf ("Voltage=%lf Associated temperatures: MCP9701=%lf°C MCP9700=%lf°C\n", volt, Get_MCP7901_Temperature(volt), Get_MCP7900_Temperature(volt));
    
    // We'll use channel 0 for testing.
    unsigned short overSampling[MAX_MCP3x08_CHANNELS] = { 1, 1, 0, 0, 0, 0, 0, 0 };
    Set_MCP3x08_Oversampling (overSampling);

    // Wait until the ADC buffers are filled.
    usleep(10000);
    double volt2;
    unsigned long   adcCount, adcCount2; 

    while (1)
    {
        Get_AI_Channel (0, adcCount, volt);   // Connect to MCP9700.
        Get_AI_Channel (1, adcCount2, volt2); // Connect to MCP9701.
        printf ("Associated temperatures: MCP9700=%lf°C MCP9701=%lf°C\n", Get_MCP9700_Temperature(volt), Get_MCP9701_Temperature(volt2));
        usleep(1000000);
    }
    // Free library resources.
    Uninitialize();
    
    return 0;
}