[syntax=c]#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#define F_OSC 8000000
#define USART_BAUDRATE 9600
#define BAUD_PRESCALE (((F_OSC / (USART_BAUDRATE * 16UL))) - 1)
void USART_Init()
{
UCSRB = (1<<RXCIE)|(1<<RXEN)|(1<<TXEN);
UCSRC = (3<<UCSZ0);
UBRRL = BAUD_PRESCALE; // Load lower 8-bits of the baud rate value into the low byte of the UBRR register
UBRRH = (BAUD_PRESCALE >> 8); // Load upper 8-bits of the baud rate value into the high byte of the UBRR registe
}
void uart_put(unsigned char data )
{
while ( !(UCSRA & (1<<UDRE)) )
;
UDR = data;
}
volatile char accelero[3];
volatile unsigned char i = 0;
ISR(USART_RX_vect)
{
if(i > 0)
{
accelero[i - 1] = UDR;
if(i == 3)
i = 0;
else
i++;
}
else
{
switch(UDR)
{
case 0x01: // button1
PORTB ^= (1 << PB0);
break;
case 0x02: // button2
PORTB ^= (1 << PB2);
break;
case 0x04: //pozycja
i++;
break;
}
}
}
int main()
{
DDRB = 0xff;
PORTB = 0;
sei();
USART_Init();
uart_put('D');
/*while(1)
{
if(accelero[2] > 30)
PORTB |= (1 << PB3);
else if(accelero[2] < -30)
PORTB &= ~(1 << PB3);
if(accelero[1] > 30)
PORTB |= (1 << PB2);
else if(accelero[1] < -30)
PORTB &= ~(1 << PB2);
}*/
}[/syntax]
Kody wklejamy przy pomocy syntax=c - Różowo-zielony J.Statystyki: Napisane przez zizej90 — 10 cze 2014, o 17:15
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