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uart_api.h：源码内容

							/*****************************************************************************
			Copyright (c) 2000 ZORAN Corporation, All Rights Reserved
		THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF ZORAN CORPORATION
		File: "uart_api.h"                                      07/11/01
      Created by: Rinat Alfia rinata@zoran.co.il
		Description:
      header file for Uart driver for UART 0 - use by Boot ROM only.
*****************************************************************************/
#ifndef UART_API_H
#define UART_API_H
#include "config.h"
#include "IncludeSysdefs.h"
//#define START_CODE		0xffff
#define MAX_MESSAGE_DATA_LENGTH	512
#define CRC_DATA_LENGTH	4
typedef enum
{
	/* Host -> boot */
	MESSAGE_PING									= 0x0000,
	MESSAGE_RELEASE_DEVICE						= 0x0001,
	MESSAGE_KEY_DOWNLOAD						= 0x0002,
	MESSAGE_KEY_UPLOAD							= 0x0003,
 	MESSAGE_KEY_DELETE							= 0x0004,
 	MESSAGE_ACKNOWLEDGE_PING					= 0x0100,
	MESSAGE_ACKNOWLEDGE_RELEASE_DEVICE		= 0x0101,
	MESSAGE_ACKNOWLEDGE_KEY_DOWNLOAD			= 0x0102,
	MESSAGE_ACKNOWLEDGE_KEY_UPLOAD			= 0x0103,
 	MESSAGE_ACKNOWLEDGE_KEY_DELETE			= 0x0104,
 	MESSAGE_ACKNOWLEDGE_ERROR					= 0x0111,
}MESSAGE_TYPE;
#define KEY_IS_DOWNLOADED		0x80
#define KEY_ISNOT_DOWNLOADED	0x00
void Check_Uart_Rx(UINT8 hTimer);
BOOL _uartIsTxReady(void);
BOOL _uartIsRxReady(void);
void _uartOpen(void);
void _uartBaudRate( unsigned int baud_rate );
void _uartSndByte( unsigned char byte);
unsigned char _uartRcvByte(void);
void _uartSndNBytes(unsigned char *p , int N );
BOOL _uartRcvNBytes( unsigned char *p, int N);
void  boot_outport ( unsigned int __portid, unsigned int __value );
unsigned int boot_inport ( unsigned int __portid );
#endif

						