uart.h

基于AVRGCC的时钟DS1302的完整应用源代码

#ifndef _UART_H_
#define _UART_H_

#include <avr/io.h>

// USART0 Transmitter buffer
#define TX_BUFFER_SIZE0 100

extern void InitIO(void);

#endif
struct{
	unsigned char buffer[TX_BUFFER_SIZE0];
  #if TX_BUFFER_SIZE0<256
	unsigned char wr, rd, counter;
   #else
	unsigned int wr, rd, counter;
#endif
} UART0;