Empfangen

#include <avr/io.h>
#include <avr/pgmspace.h>
#include "uart.h"
#include "can.h"
#include <stdlib.h>
#include <avr/interrupt.h>

#define F_CPU 16000000UL
#define UART_BAUD_RATE      9600    

prog_uint8_t can_filter[] = 
{
	// Group 0
	MCP2515_FILTER(0),				
	MCP2515_FILTER(0),				
	
	// Group 1
	MCP2515_FILTER_EXTENDED(0),		
	MCP2515_FILTER_EXTENDED(0),		
	MCP2515_FILTER_EXTENDED(0),		
	MCP2515_FILTER_EXTENDED(0),		
	
	MCP2515_FILTER(0),				
	MCP2515_FILTER_EXTENDED(0),		
};

int main(void)
{
    char buffer[7];
    
	can_init(BITRATE_125_KBPS);
	
	can_static_filter(can_filter);
	
	uart_init( UART_BAUD_SELECT(UART_BAUD_RATE,F_CPU) ); 

	sei();

	uart_puts("Daten erhalten:\n\r");

	if (can_check_message())
	{       
		can_t msg;

		if (can_get_message(&msg))
		{
			itoa(msg.data[0] , buffer, 16);
			uart_puts(buffer);   
			uart_putc('\n');   
			uart_putc('\r');
		}
	}
}