Example #1
0
File: pad.c Project: prcek/RFPad
//local led blink test
void pad_led() {
    uint8_t l;
    for (l=0; l<10; l++) {
    	led_y_on();
        _delay_ms(100); 
    	led_y_off();
    	led_g_on();
        _delay_ms(100); 
    	led_g_off();
    }
}
Example #2
0
File: pad.c Project: prcek/RFPad
void i2c_sclHi() {
    i2c_hold();
    led_y_on();
    HI(SCL_PORT,SCL);
}
Example #3
0
int main( void )
{
	uint8_t i=0;
	int16_t decicelsius;
	uint8_t error;
	uint8_t delayCounter=0;

	hw_init();
	uart_init((UART_BAUD_SELECT((BAUD),F_CPU)));
	memset(&sensor_fw, 0, sizeof(_sensor_data));


	/* init 485 write */
	   DDRB  |= 0b0000001; //1 = output, 0 = input
	  //PORTB |=  0b00000001; //Enable pin 5 internal pullup
	   PORTB &=   0b11111110; //Enable pin 5 internal pullup read
	   //PORTB |=  0b00000001; //Enable pin 5 internal pullup 485 write


	   led_g_on();
	   _delay_ms(1000);
	   led_y_on();
	   _delay_ms(1000);
	   led_r_on();
	   _delay_ms(1000);
	   led_r_off();
	   _delay_ms(1000);
	   led_y_off();
	   _delay_ms(1000);
	   led_g_off();

#ifndef OW_ONE_BUS
	ow_set_bus(&PIND,&PORTD,&DDRD,PD6);
#endif

	led_g_on();
	search_bus();
	led_g_off();

	sei();

	sensor_fw.fw_state = FW_STATE_SENSOR_START_MEAS;

	for(;;)
	{   // main loop

		switch (sensor_fw.fw_state)
		{
		case FW_STATE_SENSOR_SEARCH:
			led_g_on();
			search_bus();
			led_g_off();
			uart_puts_P("FW_STATE_SENSOR_SEARCH? =0\n");
			sensor_fw.fw_state = FW_STATE_SENSOR_START_MEAS;
			break;
		case FW_STATE_SENSOR_START_MEAS:
			if ( sensor_fw.sensor_num == 0 )
			{
				sensor_fw.fw_state = FW_STATE_SENSOR_SEARCH;
				uart_puts_P("error sensor num =0\n");
				break;
			}
			if ( DS18X20_start_meas( DS18X20_POWER_PARASITE, NULL )	== DS18X20_OK)
			{
				sensor_fw.fw_state = FW_STATE_SENSOR_DELAY_750ms;
				//reset_timeout();
			}
			else
			{
				sensor_fw.fw_state = FW_STATE_SENSOR_SEARCH;
				uart_puts_P("error start mes faul =0\n");
			}
			break;

		case FW_STATE_SENSOR_DELAY_750ms:
			//if (TCNT1 > 5400)	//750 ms
			_delay_ms( DS18B20_TCONV_12BIT );
			{
				sensor_fw.fw_state = FW_STATE_SENSOR_READ_I;
				i = 0;
			}
			break;

		case FW_STATE_SENSOR_READ_I:
			if ( DS18X20_read_decicelsius(&sensor_fw.sensors[i].id[0], &decicelsius ) == DS18X20_OK )
			{
				sensor_fw.sensors[i].temp = decicelsius;

				uart_puts_P( "Sensor# " );
				uart_put_int( (int)i + 1 );
				uart_puts_P(" = ");
				uart_put_temp( decicelsius );
				uart_puts_P( NEWLINESTR );
			}
			else
			{
				//uart_puts_P( "CRC Error (lost connection?)" );
				sensor_fw.fw_state = FW_STATE_SENSOR_SEARCH;
				uart_puts_P("error lost connection? =0\n");
				break;
			}
			i++;
			if (i >= sensor_fw.sensor_num)
			{
				sensor_fw.fw_state = FW_STATE_SENSOR_DELAY_5s;
				delayCounter = 0;
				//reset_timeout();
			}
			//uart_puts_P( NEWLINESTR );
			break;

		case FW_STATE_SENSOR_DELAY_5s:
			//if (TCNT1 > (5 * TICKS_PER_SEC))	/*5s*/
			_delay_ms( 1000 );
			{
				if(delayCounter > 5)
					sensor_fw.fw_state = FW_STATE_SENSOR_START_MEAS;
				delayCounter++;
			}
			break;

		case FW_STATE_READ_COMM:
			{
				//uart_puts_P( "Communication cmd rx\n" );
				switch(sensor_fw.comm.rxbuff[2])
				{
				case 0x01:
					sensor_fw.comm.txbuff[0] = 0x7E;
					sensor_fw.comm.txbuff[1] = 0x01;	// dev_id
					sensor_fw.comm.txbuff[2] = 0x02;	// len
					sensor_fw.comm.txbuff[3] = 0x00;	// len
					sensor_fw.comm.txbuff[4] = 0xBB;	// data
					sensor_fw.comm.txbuff[5] = 0xBB;	// data

					sensor_fw.comm.txbuff[6] = 0x00;	// crc
					sensor_fw.comm.txbuff[7] = 0x00;	// crc


					uart_putData(sensor_fw.comm.txbuff,8);
					break;
				}

				sensor_fw.comm.rxlen = 0;
				sensor_fw.comm.valid_cmd = 0;
				sensor_fw.fw_state = FW_STATE_SENSOR_START_MEAS;
			}
			break;
		}

		if(sensor_fw.comm.valid_cmd)
		{
			sensor_fw.fw_state = FW_STATE_READ_COMM;
		}

		//_delay_ms(3000);
	}
}