#include "AT89x051.H"

//*************************用戶定義*********************************//
//說明：根據(jù)需要改動(dòng)下列參數(shù)
#define PACKET_LEN   3			//數(shù)據(jù)包長度（字節(jié)）
#define BOUND_RATE	9600		//通訊波特率（bps）
#define CLK_FRE		11059200	//單片機(jī)晶振頻率（MHz）
#define CLK_DIV		12			//時(shí)鐘分頻數(shù)

#define COMM_TIME   200			//數(shù)據(jù)接收間隔時(shí)間
//******************************************************************//
#if (256-(CLK_FRE/(BOUND_RATE*16*CLK_DIV)))>0
#define BOUND_RATE_DOUBLE
#endif

#define uchar unsigned char
#define uint  unsigned int

typedef struct			//數(shù)據(jù)包結(jié)構(gòu)
{
 uchar dat[PACKET_LEN];	//通信數(shù)據(jù)
 uchar temp[PACKET_LEN-1];//通信暫存數(shù)據(jù)
 uchar rflag;			//通訊接收標(biāo)志，0為空閑，1為接收完畢，2為正在接收
 uchar tflag;			//通訊發(fā)送標(biāo)志，0為空閑，1為發(fā)送完畢，2為正在發(fā)送
 uchar time;			//通訊計(jì)時(shí)，為0時(shí)為通訊超時(shí)
 uchar rcount;			//數(shù)據(jù)接收計(jì)數(shù)

 uchar len;				//發(fā)送數(shù)據(jù)長度
 uchar tcount;			//數(shù)據(jù)發(fā)送計(jì)數(shù)
 uchar *pdat;			//發(fā)送數(shù)據(jù)緩沖區(qū)指針
}Packet;


#define COMM_IDLE  0
#define COMM_ACK   1
#define COMM_REING 2
#define COMM_TEING 2
#define COMM_DATA_NOTRDY	0
#define COMM_DATA_ACK		1
#define COMM_DATA_ERROR		2
#define COMM_SENT_OK		0
#define COMM_SENT_BUSY		1

void Serial_Init();		//通訊初始化函數(shù)
void Serial_Timer();	//數(shù)據(jù)接收計(jì)時(shí)函數(shù)
uchar Serial_GetDataState();		//接收數(shù)據(jù)狀態(tài)查詢函數(shù)
uchar Serial_Sent(uchar *pdat,uchar len);		//數(shù)據(jù)發(fā)送函數(shù)
uchar Serial_ValidateSent(uchar *pdat,uchar len);	//帶效驗(yàn)位生成的發(fā)送函數(shù)