#ifdef UART_GLOBALS
	#define	UART_EXT
#else
	#define	UART_EXT	extern
#endif

#define BAUD_CNT 				9
#define	BAUD_57600				57600
#define	BAUD_28800				28800
#define	BAUD_19200				19200
#define	BAUD_14400				14400
#define	BAUD_9600				9600
#define	BAUD_4800				4800
#define	BAUD_2400				2400

#ifdef UART_GLOBALS
	uint32 const BaudRateTable[BAUD_CNT] = {	BAUD_2400,	BAUD_4800,	BAUD_9600,
	                                       		BAUD_14400,	BAUD_19200,	BAUD_28800,
	                                       		0,	BAUD_57600,	0	};	//0為不支持的波特率
#else
	UART_EXT uint8 const BaudRateTable[BAUD_CNT];
#endif

// RS485發送使能端口，用戶根據實際電路修改
//#define  RS485_TXen 	1<<8

UART_EXT uint8 MyAddr;
UART_EXT uint8 BaudNum;

/* 網絡層通訊協議 */
#define MAXSERSIZE      32

UART_EXT uint8 SerBfr[MAXSERSIZE];
UART_EXT uint8 RcvDTLen;		//接收有效數據長度
UART_EXT volatile uint8	RcvStatus;		//接收狀態標志

#define RCVSTX		0
#define RCVDATA		1


UART_EXT volatile uint8	SerDTValid;		//串行數據有效標志

UART_EXT uint8	FindFlag;				//搜索標志
UART_EXT volatile uint8	SendFlag;		//串行發送標志,表示有數據要從串口發送
UART_EXT volatile uint8 LentoSend;		//將要發送的有效數據長度
UART_EXT volatile uint8	SendStatus;		//發送狀態，表示下次發送中斷將要進行的動作

#define SENDSTX		0
#define SENDDATA	1
#define SENDETX		2
#define SENDSTOP	3
#define SENDIDLE	4

UART_EXT volatile uint8 SerTmOut;		//串行超時計數器

#define STX     0x82
#define ETX     0x83

#define RADDR		0
#define SADDR		1
#define CMDTYPE		2
#define COMMAND		3
#define STATUS		3
#define LENGTH      4
#define DATA        5

UART_EXT void UART0_Init(void);
UART_EXT uint8 Ser_Send(uint8 SlvAddr);
UART_EXT void UART0_SendByte (uint8 dat);