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📄 osc3.c.bak

📁 基于485的51单片机多机通讯程序
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#include <OSC.h>
sbit message_enable=P1^5;
sbit stop=P3^5;
sbit gate=P4^1;
sbit osc_dir=P4^5;
sbit osc_enable=P4^4;
sbit osc_out=P4^6;

xdata unsigned char  rbuffer[55]	_at_ 0x0200;
unsigned char	S_ANSW,POINTER0,POINTER1,work,RSUM,SSUM,s_byte_nums,r_byte_nums,sbuffer[6],c_t1,
		c_decrease,temp_c_decrease,share_decrease,osc_add,osc_dec,
		share,nonce_sec,c_t42,c_t42_l,c_t42_r,err,p_sec,c_change,temp_c_change,cross_machine,
		c_t2,temp_c_t2;
unsigned char	COMM,SLA,FF,GET;
unsigned int	delt_a41,*point,delt_out1,delt_out0;
xdata unsigned long	const0,const1,const2,const3,const5,temp_out1,static_out1,temp_out0,static_out0,
			out0_decrease,out1_decrease;
xdata unsigned int	out0,out1,out2;
bit	t_edge,osc_ok,decrease,decreased,stop_osc,new_sector,excursion_dir,
	center_excursion,called,judge_ok,urgent_stop,in_sector,
	start,over_i1,over_i2,resend,send,overtime,osc_l,osc_r,motor_stop,sec_change,
	receive_p_out,receive_p_in,start_osc,ans,to_begin,decrease_ok,center_change,
	need_para,osc_err,err_ok,breadth_add,breadth_dec,osc,osc_change,K4,sec_center,osc_started,
	over_i_enable;
#define start_v 200;

void start_i2()
{
   data unsigned int time;
   P1_6=1;		//SCL
   P1_7=1;		//SDA
   S1CON=0x47;		//ENS1=1 STA=0 STO=0 SI=0 AA=1
   PS1=1;FF=0;
   EA=1;
   ES1=1;
   STA=1;
   time=0;
   do
     {
      time++;
      if(time>10000)
          {
           FF=1;
          }
     }while(FF==0);
   FF=0;
   ES1=0;
}

void start_t2()
{
	TM2CON=0x81;    //16位溢出,分频系数1,f/12
	EA=1;
	TM2IR=0;
}

void ini_sbuf(unsigned char a,b,c,d,e,f)
{
	sbuffer[0]=a;
	sbuffer[1]=b;
	sbuffer[2]=c;
	sbuffer[3]=d;
	sbuffer[4]=e;
	sbuffer[5]=f;
}

unsigned char get_byte_nums(unsigned char type)
{
	unsigned char numbers;
	switch(type)
	{
		case	infor_sec:
		case	command:
		case	program:
		case	answer:		numbers=4;
					break;
		case	err_infor:
		case	parameter1:	numbers=5;
					break;
		case	parameter:
		case	infor:		numbers=6;
					break;
		case	parameter2:	numbers=7;
					break;
		case	call_result:	numbers=8;
					break;
		case	p_out_sec:	numbers=55;
					break;
		case	p_in_sec:	numbers=24;
					break;
		case	edit_sec:	numbers=64;
					break;
		default:		numbers=4;
					break;
	}
	return numbers;
}

void TR_noans()
{
	POINTER0=0;
	SSUM=0;
	send=1;
	c_t1=0;
	message_enable=0;				//开发送使能
	TR1=1;
	while(POINTER0<s_byte_nums);
	TR1=0;
	message_enable=1;				//关发送使能
}

void TR_ans()
{
	ans=1;
	REN=0;
	POINTER1=0;
	RSUM=0;
	TB8=1;
	POINTER0=0;
	SSUM=0;
	send=1;
	c_t1=0;
	message_enable=0;				//开发送使能
	TR1=1;
	while(POINTER0<s_byte_nums);
	TR1=0;
	message_enable=1;				//关发送使能

	REN=1;
	send=0;
	c_t1=0;
//	TR1=1;
	while(POINTER1<r_byte_nums&&overtime==0);
	TR1=0;
	if(overtime==1)
	{
		err=3;
		osc_err=1;
		overtime=0;
	}
	ans=0;
}

void delay(int num)
{
  data unsigned int i,j;
  for(i=0;i<num;i++)
   {
     for(j=0;j<255;j++);
   }
}

void read_8574 ()			//过流1或过流2
{
	unsigned char temp_GET;
	SLA=0x43;
	start_i2();
	temp_GET=GET;
	temp_GET=temp_GET&0X01;
	if(temp_GET==0)
		over_i1=1;
	temp_GET=GET;
	temp_GET=temp_GET&0X02;
	if(temp_GET==0)
		over_i2=1;
}

void write_8574(unsigned char col)	//出错显示
{
	SLA=0x42;
	COMM=col;
	start_i2();
}

void com_type()
{
	switch(rbuffer[2])
  	{
		case com_calling:	called=1;break;
		case com_motor_stop:	motor_stop=1;break;
		case com_start:		start=1;break;			//启动
		case com_decrease:	{
			  			if(osc_ok==1)
			  			{
							if(osc_add>=osc_dec)
							{
								delt_a41=pp.da41*(osc_add-osc_dec);
								const1=const1+delt_a41;
							}
							else
							{
								delt_a41=pp.da41*(osc_dec-osc_add);
								const1=const1-delt_a41;
							}
							if(in_sector==0)
							{
								const0=(unsigned long)(pp.v41)*(unsigned long)(pp.t17);
								const3=(unsigned long)(120*const1);
								const2=(unsigned long)(pp.t42_l)+(unsigned long)(pp.t42_r);
								const2=const2*(unsigned long)(pp.v41);
								const5=const3+const2;
							}
							else if(osc_ok==1)
							{
								const0=(unsigned long)(pp.x[nonce_sec][3])*(unsigned long)(pp.t17);
								const3=(unsigned long)(120*const1);
								const2=(unsigned long)(pp.x[nonce_sec][1])+(unsigned long)(pp.x[nonce_sec][2]);
								const2=const2*(unsigned long)(pp.x[nonce_sec][3]);
								const5=const3+const2;
							}
							c_decrease=(unsigned char)((const0+const5)/const5);
							out1_decrease=out1;
							out0_decrease=out0;
							temp_c_decrease=1;
							share_decrease=0;
							IEN1=IEN1|0X01;	//CT0
						}
						decrease=1;
					}break;
		case com_osc:		start_osc=1;break;			//启动CT0
		case com_osc_l:		{
						if(work==0)			//点动
						{
							if(osc_l==0)
								osc_l=1;
						}
						else
						{
							if(center_excursion==0&&judge_ok==0)
							{
								excursion_dir=0;
								center_excursion=1;
							}
						}
					}break;
		case com_osc_r:		{
						if(work==0)			//点动
						{
							if(osc_r==0)
								osc_r=1;
						}
						else
						{
							if(center_excursion==0&&judge_ok==0)
							{
								excursion_dir=1;
								center_excursion=1;
							}
						}
					}break;

		case com_breadth_add:	if(osc_ok==1&&osc==0)
					{
							osc=1;		//启动横摆
							osc_change=1;
					}break;
		case com_breadth_dec:	if(osc_ok==1&&osc==0)
					{
							osc=1;		//启动横摆
							osc_change=0;
					}break;

		case com_goto_begin:	to_begin=1;break;
		case com_err_ok:	err_ok=1;break;
		default:		 break;
	}
}

void data_type()						//对接收到的数据分辨类型
{
	switch(rbuffer[1])
	{
		case command:	com_type();break;
		case infor:	{
					if(rbuffer[2]==com_sector)
					{
						in_sector=1;
						new_sector=1;
						nonce_sec=rbuffer[3];
						K4=pp.x[nonce_sec][0]&0x01;
					}
				}break;
		case p_out_sec:	receive_p_out=1;break;

		case p_in_sec:	{
					nonce_sec=rbuffer[2];
					receive_p_in=1;
				}break;
		default:	break;
	}
}


void EX0_INT (void) interrupt 0			//急停
{
	EX0=0;
	message_enable=1;				//关发送使能
	REN=1;
	gate=0;
	CTCON=CTCON&0xF0;

	while(err_ok==0)
	{
		if(called==1)
		{
			if(osc_err==0)
			{
				ini_sbuf(M_main,answer,OK,0,0,0);
				s_byte_nums=4;
				TR_noans();
			}
			else
			{
				ini_sbuf(M_main,err_infor,M_OSC,err,0,0);
				s_byte_nums=5;
				TR_noans();
				osc_err=0;
				err=0;
				stop=1;
			}
			called=0;
		}
	}
	urgent_stop=1;
}

void EX1_INT (void) interrupt 2
{
	unsigned char get_err;
	EX1=0;
	get_err=P5;
	get_err=get_err&0x10;
	if(get_err==0)
		err=14;
	else
	{
		get_err=P5;
		get_err=get_err&0x08;
		if(get_err==0)
			err=13;
		else
		{
			get_err=P5;
			get_err=get_err&0x04;
			if(get_err==0)
				err=12;
		}
	}
	if(err!=0)
	{
		osc_err=1;
		stop=0;
	}
	else
		EX1=1;
}
	
void T1_INT (void) interrupt 3
{
	c_t1++;
	if(send==1)
	{
		if(c_t1==7)
		{
			S0BUF=sbuffer[POINTER0];
			c_t1=0;
		}
	}
	else
	{
		if(c_t1==100)
		{
			TR1=0;
			overtime=1;
		}
	}
}

void TR_INT (void) interrupt 4					//串行口中断
{								//关中断
	if(TI==1)						//发送完成
	{
		TI=0;
		POINTER0++;
		if(POINTER0<s_byte_nums-1)
			SSUM=SSUM+sbuffer[POINTER0];		//6个数据字节求和
		else
			sbuffer[s_byte_nums-1]=SSUM+sbuffer[0];	//数据和加地址生成校验码
		if(POINTER0==s_byte_nums)
			REN=1;
	}

	if(RI==1)						//接收完成
	{
		RI=0;
		POINTER1++;					//接收缓冲指针加1
		rbuffer[POINTER1-1]=S0BUF;			//从接收缓冲读出数据
		if(rbuffer[0]==M_OSC||rbuffer[0]==M_ALL)
		{
			SM2=0;
			if(POINTER1==2)
				r_byte_nums=get_byte_nums(rbuffer[1]);
			if(POINTER1<r_byte_nums)
				RSUM=RSUM+rbuffer[POINTER1-1];	//生成校验码
			else
			{
				SM2=1;
				if(RSUM==rbuffer[r_byte_nums-1])
				{
					if(ans==0)
					{
						POINTER1=0;
						RSUM=0;
					}
					S_ANSW=OK;
					data_type();
				}
				else
				{
					POINTER1=0;
					RSUM=0;
					S_ANSW=FAIL;
					if(resend==0)
						resend=1;
				}
			}

		}
		else
			POINTER1=0;
	}                                       //开中断
}

void S1_int (void) interrupt 5      //I2C
{
   if (S1STA==0x00)
           {
            FF=1;
            S1CON=0xD5; //STA=0   STO=1    SI=0     AA=1
           }
   if (S1STA==0x08)
           {
            S1DAT=SLA;
            S1CON=0xC5; //STA=0   STO=0    SI=0     AA=1
	   }
   if (S1STA==0x10)
           {
            S1DAT=SLA;
            S1CON=0xC5; //STA=0   STO=0    SI=0     AA=1
	   }
   if (S1STA==0x18)
           {
            S1DAT=COMM;
            S1CON=0xC5; //STA=0   STO=0    SI=0     AA=1
	   }
   if (S1STA==0x20)
           {
            FF=1;
            S1CON=0xD5; //STA=0   STO=1    SI=0     AA=1
	   }
   if (S1STA==0x28)
           {
            S1CON=0xD5; //STA=0   STO=1    SI=0     AA=1
            FF=1;
	   }
   if (S1STA==0x30)
           {
            FF=1;
            S1CON=0xD5; //STA=0   STO=1    SI=0     AA=1
	   }
   if (S1STA==0x38)
           {
            S1CON=0xE5; //STA=1   STO=0    SI=0     AA=1
           }
   if (S1STA==0x40)
           {
            S1CON=0xC5; //STA=0   STO=0    SI=0     AA=1
	   }
   if (S1STA==0x48)
           {
            FF=1;
            S1CON=0xD5; //STA=0   STO=1    SI=0     AA=1
           }
   if (S1STA==0x50)
           {
            GET=S1DAT;
            S1CON=0xC1; //STA=0   STO=0    SI=0     AA=0
           }
   if (S1STA==0x58)
           {
	        FF=1;
	        S1CON=0xD5; //STA=0   STO=1   SI=0     AA=1
           }
}

void CT0_int (void) interrupt 6			//横摆中心
{
	CTI0=0;
	IEN1=IEN1&0XFE;				//CT0
	CTCON=CTCON&0xFC;
	if(center_change==1)
	{
		IEN1=IEN1&0XFE;
		gate=0;
  		osc_enable=1;
  		center_excursion=0;
  		center_change=0;
  	}
	else
	{
		if(decrease==1)
		{
			temp_c_decrease++;

			if(temp_c_decrease%2==0)
				share_decrease++;
			if(share_decrease<c_decrease)
			{
				CTCON=CTCON|0x08;
				out0=out0_decrease*c_decrease/(c_decrease-share_decrease);
				out1=out1_decrease*(c_decrease-share_decrease)/c_decrease;
				out2=2*out1;
				COM=0X36;
				COUNT0=out0%256;
				COUNT0=out0/256;
				COM=0X76;
				COUNT1=out1%256;
				COUNT1=out1/256;
				COM=0XB6;
				COUNT2=out1%256;
				COUNT2=out1/256;
				sec_center=1;
				IEN1=IEN1|0x02;
			}
			else
			{
				gate=0;			//关8254门控信号
				CTCON=CTCON&0XF0;
				IEN1=IEN1&0XFC;		//禁止CT0,CT1
				decrease_ok=1;
			}
			if(decreased==0)
				decreased=1;
		}
		else
		{
//			if(in_sector==1&&K4==ON&&osc_ok==1||in_sector==0)
			if(K4==ON&&osc_ok==1||in_sector==0)
			{
				if(sec_change==1)
				{

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