int main(void)
{
DDRB |= (1<<PB0);
PORTB |= (1<<PB0);
DDRD &= ~(1<<PD6);
PORTD &= ~(1<<PD6);
czujniki_cnt = search_sensors();
DS18X20_start_meas(DS18X20_POWER_EXTERN, NULL);
_delay_ms(750);
if(DS18X20_OK == DS18X20_read_meas_single(0x28, &subzero, &cel, &cel_frac_bits)) display_temp();
else {
lcd_puts_P("err");
}
lcd_clrscr(); /* clear display home cursor */
for(;;){
}
}
void read_temp() {
uint8_t gSensorIDs[OW_ROMCODE_SIZE];
uint16_t decicelsius;
uint8_t diff, i, subzero, cel, cel_frac_bits;
OW_set_bus(&PORTC,5);
// DS18X20_find_sensor(&diff, &gSensorIDs[0]);
DS18X20_start_meas( DS18X20_POWER_PARASITE, NULL );
delayms(DS18B20_TCONV_12BIT);
DS18X20_read_meas_single(0x10, &subzero, &cel, &cel_frac_bits);
decicelsius = DS18X20_temp_to_decicel(subzero, cel, cel_frac_bits);
}
void Temp_handler(void)
{
static Temp_ReadState_t state = TEMPERATURE_MEASURE_REQUEST;
unsigned char counter = 0;
switch (state)
{
case TEMPERATURE_MEASURE_REQUEST:
{
// i = gSensorIDs[0]; // family-code for conversion-routine
DS18X20_start_meas( DS18X20_POWER_EXTERN, NULL );
counter = 0;
state = TEMPERATURE_WAITING_FOR_RESPONSE;
break;
}
case TEMPERATURE_WAITING_FOR_RESPONSE:
{
counter++;
if(counter > TEMP_GET_COUNTS_MS(DS18B20_TCONV_12BIT))
{
state = TEMPERATURE_UPDATE;
}
break;
}
case TEMPERATURE_UPDATE:
{
DS18X20_read_meas_single(0x28, &subzero, &cel, &cel_frac_bits);
Temp_decicelsius = DS18X20_temp_to_decicel(subzero, cel, cel_frac_bits);
Temp_decicelsiusAvg = MovingAvg(Temp_decicelsius, 6u);
state = TEMPERATURE_MEASURE_REQUEST;
break;
}
}
}
