[syntax=c]#include <stdio.h>
#include <stdlib.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/eeprom.h>
#include <avr/wdt.h>
#include <util/delay_basic.h>
#include <util/delay.h>
#include "onewire.h"
#include "onewire.c"
#include "ds18x20.c"
#include "ds18x20.h"
#include "crc8.c"
#include "crc8.h"
#define F_CPU 3686400UL
#define BAUD 2400
// define baud
#define BAUDRATE ((F_CPU)/(BAUD*16UL)-1)
#define Wiper_ON() PORTC |= (1<<PORTC3)
#define Wiper_OFF() PORTC &= ~(1<<PORTC3)
void TransmissionStart(uint8_t lenght);
uint8_t BytesCount, FrameLenght, counterTx;
char bufferTx[50];
uint8_t czujniki_cnt;/* ilość czujników na magistrali */
uint8_t subzero, cel, cel_fract_bits;
void TransmissionStart(uint8_t lenght)
{
counterTx = 0;
FrameLenght = lenght;
UDR |= bufferTx[0];
}
ISR(USART_TXC_vect)//przerwanie WYSŁANY BAJT
{
if (counterTx<FrameLenght)
{
counterTx++;
UDR = (bufferTx[counterTx]);//jest jeszcze cos do wysłania
}
else
{
}
}
int main(void)
{
_delay_loop_2 (65500);
_delay_loop_2 (65500);
DDRC |= (1<<DDC2);
DDRC |= (1<<DDC3);
DDRD |= (1<<PD2);
PORTD |= (1<<PD2);
//TCCR0 |= (1<<CS02) | (1<<CS00);//prescaler 1024
// TIMSK |= (1<<TOIE0) | (1<<TOIE1);
//TCCR1B |= (1<<CS11) | (1<<CS10);//prescaler 1024
UBRRH = (BAUDRATE>>8); // shift the register right by 8 bits
UBRRL = BAUDRATE;
//Enable receiver and transmitter */
UCSRB = (1<<TXEN)|(1<<TXCIE);
/* Set frame format: 8data, 1stop bit */
UCSRC = (1<<URSEL)|(3<<UCSZ0);
sei();
//wdt_enable(WDTO_1S);
czujniki_cnt = search_sensors();
BytesCount = 0;
bufferTx[BytesCount] = czujniki_cnt;
TransmissionStart(BytesCount);
while(1)
{
DS18X20_start_meas ( DS18X20_POWER_EXTERN, NULL );///////////////////////////////
_delay_ms(750);
if(DS18X20_OK== DS18X20_read_meas(gSensorIDs[0], &subzero, &cel, &cel_fract_bits) )
{
BytesCount = 0;
bufferTx[BytesCount] = cel;
TransmissionStart(BytesCount);
}
else
{
BytesCount = 0;
bufferTx[BytesCount] = 0;
TransmissionStart(BytesCount);
}
if(DS18X20_OK== DS18X20_read_meas(gSensorIDs[1], &subzero, &cel, &cel_fract_bits) )
{
BytesCount = 0;
bufferTx[BytesCount] = cel;
TransmissionStart(BytesCount);
}
else
{
BytesCount = 0;
bufferTx[BytesCount] = 0;
TransmissionStart(BytesCount);
}
}
}[/syntax]Statystyki: Napisane przez wawrzyc — 7 maja 2018, o 08:44
]]>