#include <avr/io.h>

#include <avr/interrupt.h>

#include <util/delay.h>

#include "board.h"

#include "debug.h"

#include "onewire.h"

#include "excitation.h"

#include "analog_exp.h"

onewire_id onewire_devices[4];

static inline void setup(void) {

    debug_setup();

    exc_setup();

    exc_enable(0, 0xFF);

}

static inline void loop(void) {

    ds18b20_scratchpad_t scratchpad;

    _delay_ms(1000);

    uint8_t n_devices = 4;

    onewire_searchrom(onewire_devices, &n_devices);

    onewire_skiprom();

    onewire_convert_t();

    _delay_ms(750);

    debugf("%d devices\n", n_devices);

    for(uint8_t i=0; i<n_devices; i++) {

        debugf("  0x");

        for(uint8_t j=0; j<sizeof(onewire_id); j++) {

            debugf("%02X", onewire_devices[i][j]);

        }

        uint8_t crc = onewire_crc_rom(onewire_devices[i]);

        debugf(" crc: %d\n", crc);

        onewire_matchrom(onewire_devices[i]);

        crc = onewire_read_scratchpad(&scratchpad);

        debugf("    scratchpad crc: %d\n", crc);

        debugf("    temperature: %d.%04d\n", scratchpad.temperature >> 4, 

            (scratchpad.temperature & 0xF) * 625 );

    }

}

int main(void) {

    setup();

    sei();

    for(;;) loop();

    return 1;

}