16550.h

想必大家一定想了解16650吧,现在上专给大家共享

#include "target.h"

#define	UTBUF_SIZE	2048 //should be power of 2
#define	URBUF_SIZE	2048 //should be power of 2

void uart_baudrate (UINT32 baudrate);
void uart_initialize (UINT8 confg,UINT32 baut);
INT8 uput_char(UINT8 c);
INT8 usend(UINT8 xdata *str,UINT16 len);
INT8 uart_getchar (void);
UINT16 uart_rbuflen (void);
UINT16 uart_tbuflen (void);