gps.h

一个基于XMODEM协议的下载字库的程序

#ifdef UART_GLOBAL
	#define UART_EXT
#else
	#define UART_EXT	extern
#endif	

#define SOH 		0x01		//帧头
#define EOT 		0x04		//一帧数据接收完毕
#define ACK 		0x06		//发送下一条
#define NAK 		0x15		//重发上一条
#define CAN 		0x18

typedef struct {
	unsigned char chBuff[200];
	unsigned char chLen;
}recUART;

UART_EXT recUART rUARTRece;				//中断接收数据缓存区

UART_EXT unsigned char chRece_Over;		//所有数据接收完毕
UART_EXT unsigned int  nBlock_Count;	//接收Block计数
UART_EXT unsigned char chBlock_Over;	//一块数据接收结束
UART_EXT unsigned char chBlock_Start;	//一块数据接收开始


//------------------------------------------------------
UART_EXT void vGPS_Init(void);
UART_EXT void vGPS_SendChar(unsigned char chTemp);
//------------------------------------------------------
UART_EXT void vUART_Execute(void);
UART_EXT void vUART_TimeOut_Nak(void);
UART_EXT void vUART_TimeOut_Ack(void);
//------------------------------------------------------