main.c

AVR单片机ATmega16的串口测试程序

#include "M16_USART.h"

int main(void)
{
	uint16 tmp;
	uint8 tmp1;
	usart_init_std();
	DDRA = 0xff;
	DDRB = 0xff;
	PORTB = 0x00;
	PORTA = 0x00;
	tmp = usart_receive9();
	tmp1 = tmp >>8;
	while (1)
	{
		PORTA = (uint8)tmp;
		PORTB = tmp1;
		_delay_ms(10);
		PORTA = 0x00;
		PORTB = 0x00;
	}
	return 0;
}