knx/knx-linux/main.cpp

#include "knx_facade.h"
#include "knx/bau57B0.h"
#include "knx/group_object_table_object.h"
#include "knx/bits.h"
#include <time.h>
#include <stdlib.h>
#include <stdio.h>

KnxFacade<LinuxPlatform, Bau57B0> knx;

long lastsend = 0;

#define CURR knx.getGroupObject(1)
#define MAX knx.getGroupObject(2)
#define MIN knx.getGroupObject(3)
#define RESET knx.getGroupObject(4)

void measureTemp()
{
    long now = millis();
    if ((now - lastsend) < 10000)
        return;

    lastsend = now;
    int r = rand();
    double currentValue = (r * 1.0) / (RAND_MAX * 1.0);
    currentValue *= 100;
    currentValue -= 50;
    //    currentValue *= (670433.28 + 273);
    //    currentValue -= 273;
    println(currentValue);
    CURR.value(currentValue);

    double max = MAX.value();
    if (currentValue > max)
        MAX.value(currentValue);

    double min = MIN.value();
    if (currentValue < (double)MIN.value())
        MIN.value(currentValue);
}

void resetCallback(GroupObject& go)
{
    if (go.value())
    {
        MAX.valueNoSend(-273.0);
        MIN.valueNoSend(670433.28);
    }
}

void appLoop()
{
    if (!knx.configured())
        return;
    
    measureTemp();
}

void setup()
{
    srand((unsigned int)time(NULL));
    knx.readMemory();

    if (knx.induvidualAddress() == 0)
        knx.progMode(true);

    if (knx.configured())
    {
        CURR.dataPointType(Dpt(9, 1));
        MIN.dataPointType(Dpt(9, 1));
        MIN.value(670433.28);
        MAX.dataPointType(Dpt(9, 1));
        MAX.valueNoSend(-273.0);
        RESET.dataPointType(Dpt(1, 15));
        RESET.callback(resetCallback);
        printf("Timeout: %d\n", knx.paramWord(0));
        printf("Zykl. senden: %d\n", knx.paramByte(2));
        printf("Min/Max senden: %d\n", knx.paramByte(3));
        printf("Aenderung senden: %d\n", knx.paramByte(4));
        printf("Abgleich %d\n", knx.paramByte(5));
    }
    knx.start();
}

int main(int argc, char **argv)
{
    knx.platform().cmdLineArgs(argc, argv);

    setup();
    
    while (1)
    {
        knx.loop();
        if(knx.configured())
            appLoop();
        delay(100);
    }
}