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📄 netsend.h

📁 C51下uc/osii的一个完整的LCD项目源码
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/////////////////////////////////网络有关/////////////////////////////////////
#define  uchar  unsigned char
#define  uint   unsigned int
#define  OLEN	128							//定义输出缓冲区大小
unsigned char	seroutbuf[OLEN+1];				//定义输出缓冲区
unsigned char	outbit=0;					//发送本帧的字节数  
unsigned char	idata curoutleng=OLEN;
#define  ILEN	128							//定义接收缓冲区大小
unsigned char	serinbuf[ILEN+1];				//定义接收缓冲区
unsigned char	inbit=0;				//当前接收字节位
unsigned char	idata passtime=0;				//时间间隔记数
bit   seron;								//接收本机命令帧状态

unsigned char machinebase;					//本机设备地址unsigned char baud;							//网络波特率
unsigned char curmanno;						//当前操作者号

unsigned char netoutresult[OLEN+1];			//检测结果缓存
unsigned char enoutresult;
unsigned char netoutcurdat[OLEN+1];			//即时数据缓存
unsigned char netoutsigned[OLEN+1];			//标签报表缓存
unsigned char enoutsigned;					
unsigned char netoutcurman[OLEN+1];			//当前授权缓存
unsigned char netoutcursta[OLEN+1];			//当前设备状态

unsigned char netinbuf[OLEN+1];				//接收命令数据缓存
unsigned char cardno[2][2][8];				//授权标识数据

void converdata() reentrant;
void writecardno(unsigned char nu) reentrant;

//主机命令信号量
OS_EVENT *NetComSem;

unsigned char code CRC[256]={
	0,94,188,226,97,63,221,131,194,156,126,32,163,253,31,65,
	157,195,33,127,252,162,64,30,95,1,227,189,62,96,130,220,
	35,125,159,193,66,28,254,160,225,191,93,3,128,222,60,98,
	190,224,2,92,223,129,99,61,124,34,192,158,29,67,161,255,
	70,24,250,164,39,121,155,197,132,218,56,102,229,187,89,7,
	219,133,103,57,186,228,6,88,25,71,165,251,120,38,196,154,
	101,59,217,135,4,90,184,230,167,249,27,69,198,152,122,36,
	248,166,68,26,153,199,37,123,58,100,134,216,91,5,231,185,
	140,210,48,110,237,179,81,15,78,16,242,172,47,113,147,205,
	17,79,173,243,112,46,204,146,211,141,111,49,178,236,14,80,
	175,241,19,77,206,144,114,44,109,51,209,143,12,82,176,238,
	50,108,142,208,83,13,239,177,240,174,76,18,145,207,45,115,
	202,148,118,40,171,245,23,73,8,86,180,234,105,55,213,139,
	87,9,235,181,54,104,138,212,149,203,41,119,244,170,72,22,
	233,183,85,11,136,214,52,106,43,117,151,201,74,20,246,168,
	116,42,200,150,21,75,169,247,182,232,10,84,215,137,107,53
};
//计算CRC码,
unsigned char GetMyCRC(unsigned char* source,unsigned char leng) reentrant
{
	unsigned char dscrc;
	dscrc=0x00;
	for(;leng!=0;leng--) 
	{
		dscrc=CRC[dscrc^(*source)];
		source++;
	}
	return(dscrc);
}

//9600 11.0592MHz
void init_serial() reentrant
{	
	PCON &= 0x7F;				
	TH1 = 0xFD;	
	TMOD |= 0X20;                      //定时器1方式2
	SCON = 0X50;                      //允许接收
	TR1 = 1;                          //启动定时器1
	ES = 1;                           //串行口中断允许
}

//////////////////////////////////////////////////
//放一串数据到发送缓冲区,长度为输出缓冲区大小
void myputbytes(unsigned char *outplace,unsigned char leng) reentrant
{ 	
	unsigned char i;
	for(i = 0; i < leng; i++)
		seroutbuf[i] = outplace[i];
	outbit = 0;
	curoutleng = leng;
}
//串口中断处理
void serial() reentrant
{   
	if(RI)  
    {  
		RI = 0;
		if(passtime > 1)
		{
			serinbuf[0] = SBUF;
			if(serinbuf[0] == machinebase)
			{
				inbit = 1;
				seron = 1;
			}
			else
			{
				seron = 0;
			}
		}
		else
		{
			if(seron)
			{
				serinbuf[inbit] = SBUF;
				if(inbit < ILEN)
					inbit++;
				if(inbit > 3)
				{
					if(inbit == serinbuf[2]+4)
					{
						seron = 0;
						OSSemPost(NetComSem);											
					}
				}
			}
		}
		passtime = 0;		
	}
	else
    { 
		TI = 0;   
		if(outbit < curoutleng)
		{
			SBUF = seroutbuf[outbit]; 
			outbit++;
		}
		else
		{
			RS485 = 1;
		}
	}
}
void errorreturn() reentrant
{
	netinbuf[1] += 128;
	netinbuf[2] = 0;
	netinbuf[3] = GetMyCRC(netinbuf,3);
	myputbytes(netinbuf, 4);//压入新的发送数据到发送缓冲区	
}
//网络数据传送
void netsend(void *lcnpdata) reentrant
{
	unsigned char neterr;
	unsigned char tem;
	

	lcnpdata = lcnpdata;
	NetComSem = OSSemCreate(0);
	seron = 0;
	RS485 = 1;
	//当前设备状态
	netoutcursta[0] = machinebase;
	netoutcursta[1] = 1;
	netoutcursta[2] = 4;
	netoutcursta[3] = 0x03;
	netoutcursta[4] = 0x06;
	if(onpower == 0xA5)
	{
		netoutcursta[5] &= 0x06;//复位保留标签和结果数据
	}
	else
	{
		netoutcursta[5] = 0x00;//开机无数据
		enoutresult = 0;
		enoutsigned = 0;
	}
	/*
	-------1	//有即时数据
	------1-	//有结果数据
	-----1--	//有标签数据
	----1---	//有授权标识

	*/
	init_serial();
	while(1)
	{
		OSSemPend(NetComSem, 0, &neterr);
		if(neterr == OS_NO_ERR)
		{
			neterr = serinbuf[2]+4;
			if((serinbuf[1] < 128) && (serinbuf[neterr-1] == GetMyCRC(serinbuf,neterr-1)))
			{
				for(tem = 0; tem < neterr; tem++) 
				{
					netinbuf[tem] = serinbuf[tem];
				}
				switch(netinbuf[1])
				{
				case 1://设备状态
					if(neterr == 4)
					{
						netoutcursta[0] = machinebase;
						netoutcursta[6] = curmanno;//当前设备操作者号
						netoutcursta[7] = GetMyCRC(netoutcursta,7);
						myputbytes(netoutcursta, 8);//压入新的发送数据到发送缓冲区
						RS485 = 0;			
						TI = 1;
					}
					break;
				case 2://即时数据
					if(neterr == 4)
					{
						converdata();
						myputbytes(netoutcurdat, 13);//压入新的发送数据到发送缓冲区
						RS485 = 0;			
						TI = 1;
					}
					break;
				case 3://检测结果
					if(neterr == 4)
					{
						if(enoutresult)
						{
							myputbytes(netoutresult, 101);//压入新的发送数据到发送缓冲区
							netoutcursta[5] &= 0xFD;//无检测结果
						}
						else
						{
							errorreturn();
						}
						RS485 = 0;			
						TI = 1;
					}
					break;
				case 4://标签数据
					if(neterr == 4)
					{
						if(enoutsigned)
						{
							myputbytes(netoutsigned, 29);//压入新的发送数据到发送缓冲区
							netoutcursta[5] &= 0xFB;//无标签数据
						}
						else
						{
							errorreturn();
						}
						RS485 = 0;			
						TI = 1;
					}
					break;
				case 5://发送当前授权标识数据
					if(neterr == 4)
					{
						if( curmanno == 1)
						{
							netoutcurman[0] = machinebase;
							netoutcurman[1] = 5;
							netoutcurman[2] = 19;
							for(tem = 0; tem < 8; tem++) 
								netoutcurman[3+tem] = cardno[0][0][tem];
							netoutcurman[11] = cardno[0][1][0];
							netoutcurman[12] = cardno[0][1][1];
							netoutcurman[13] = cardno[0][1][2];	
							for(tem = 0; tem < 8; tem++) 
								netoutcurman[14+tem] = manname1[tem];
							netoutcurman[22] = GetMyCRC(netoutcurman,22);
							myputbytes(netoutcurman, 23);//压入新的发送数据到发送缓冲区
						}
						else
						{
							if( curmanno == 2)
							{
								netoutcurman[0] = machinebase;
								netoutcurman[1] = 5;
								netoutcurman[2] = 19;
								for(tem = 0; tem < 8; tem++) 
									netoutcurman[3+tem] = cardno[1][0][tem];
								netoutcurman[11] = cardno[1][1][0];
								netoutcurman[12] = cardno[1][1][1];
								netoutcurman[13] = cardno[1][1][2];	
								for(tem = 0; tem < 8; tem++) 
									netoutcurman[14+tem] = manname2[tem];
								netoutcurman[22] = GetMyCRC(netoutcurman,22);
								myputbytes(netoutcurman, 23);//压入新的发送数据到发送缓冲区
							}
							else//未授权错误
							{
								errorreturn();
							}
						}
						RS485 = 0;			
						TI = 1;
					}
					break;
				case 60://修改授权标识数据
					if(neterr == 16)
					{
						if(netinbuf[3] == 0)
						{
							for(tem = 0; tem < 8; tem++)
							{
								cardno[0][0][tem] = netinbuf[tem+4];
							}
							cardno[0][1][0] = netinbuf[12];
							cardno[0][1][1] = netinbuf[13];
							cardno[0][1][2] = netinbuf[14];
							writecardno(0);
							myputbytes(netinbuf, 16);//压入新的发送数据到发送缓冲区
						}
						else
						{
							if(netinbuf[3] == 1)
							{
								for(tem = 0; tem < 8; tem++)
								{
									cardno[1][0][tem] = netinbuf[tem+4];
								}
								cardno[1][1][0] = netinbuf[12];
								cardno[1][1][1] = netinbuf[13];
								cardno[1][1][2] = netinbuf[14];
								writecardno(1);
								myputbytes(netinbuf, 16);//压入新的发送数据到发送缓冲区
							}
							else
							{
								errorreturn();
							}		
						}						
					}
					else
					{
						errorreturn();
					}
					RS485 = 0;			
					TI = 1;
					break;
				case 61://修改设备地址
					if(neterr == 5)
					{
						machinebase = netinbuf[3];
						Writei2c(&machinebase,14,1);
						myputbytes(netinbuf, 5);			//压入新的发送数据到发送缓冲区
						RS485 = 0;			

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