uart_usb_lib.h

AT89C5131的接口驱动

/*H**************************************************************************
* NAME: usb_task.h
*----------------------------------------------------------------------------
* Copyright (c) 2003 Atmel.
*----------------------------------------------------------------------------
* REVISION:       1.2
*----------------------------------------------------------------------------
* PURPOSE:
* 
*****************************************************************************/

#ifndef _UART_USB_LIB_H_
#define _UART_USB_LIB_H_

/*_____ I N C L U D E S ____________________________________________________*/


/*_____ M A C R O S ________________________________________________________*/
#ifdef UART_USB_DEFAULT_INPUT
#define uart_usb_getchar            _getkey
#define uart_usb_test_hit           test_hit
#endif

#ifdef UART_USB_DEFAULT_OUTPUT
#define uart_usb_putchar            putchar
#endif

/*_____ D E F I N I T I O N ________________________________________________*/


/*_____ D E C L A R A T I O N ______________________________________________*/

void  uart_usb_init(void);
bit   uart_usb_test_hit(void);
char uart_usb_getchar(void);
bit   uart_usb_tx_ready(void);
char uart_usb_putchar(Uchar);
void  uart_usb_flush(void);

#endif /* _UART_USB_LIB_H_ */