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📄 dc.c.bak

📁 基于485的51单片机多机通讯程序
💻 BAK
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#include <dc.h>

sbit stop=P3^5;
sbit wire_back=P4^4;
sbit wire_front=P4^5;
sbit rot_right=P4^6;
sbit rot_left=P4^7;
sbit send_enable=P3^4;
sbit limit=P4^3;
sbit wire_over_i=P1^2;
xdata unsigned char rbuffer[55],sbuffer[6];
unsigned char 	COMM,SLA,FF,GET,POINTER0,SSUM,POINTER1,RSUM,c_t1,s_byte_nums,r_byte_nums,pulse_num,
		err,WIRE,S_ANSW,nonce_sec,work,p_sec,K21,K3,K31,tooth_num,
		temp_pulse_num,delt_state;
		
unsigned int 	rot_vp,temp_rot_vp,rot_vb,temp_rot_vb,wire_vp,temp_wire_vp,wire_vb,
		temp_wire_vb,n_cm0,c_cm0,n_cm1,c_cm1,FINISH,delt_rot,delt_wire
		,*point;
bit	send,overtime,start,decrease,urgent_stop,rot_front,rot_reverse,wire_add,
	wire_dec,rot_ok,wire_ok,in_sector,receive_p_out,receive_p_in,demand,need_para,
	rot_stop,rot_stop_ok,called,p_b,new_sector,start_rot,start_wire,stop_wire,r_slope_ok,
	w_slope_ok,retract,return_ok,retract_ok,motor_stop,auto_return,resend,ans,
	to_begin,noans_ok,ask_return_ok,k_r_p_add,k_r_b_add,k_r_p_dec,k_r_b_dec,k22,k33,k44;
bit 	kk,rw_err,err_ok;

void start_t2()
{
	TM2CON=0x85;    //16位溢出,分频系数2,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:		break;
	}
	return numbers;
}

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

void delay(unsigned char num)
{
	unsigned char i,ii;
	for(i=0;i<num;i++)
	{
		for(ii=0;ii<255;ii++);
	}
}

void TR_ans()
{
	ans=1;
	REN=0;
	POINTER1=0;
	RSUM=0;
	TB8=1;
	POINTER0=0;
	SSUM=0;
	send=1;
	c_t1=0;
	send_enable=1;				//开发送使能
	TR1=1;
	while(POINTER0<s_byte_nums);
	TR1=0;
	send_enable=0;				//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=2;				//通信出错
		overtime=0;
	}
	ans=0;
}

void com_type()
{
	switch(rbuffer[2])
  	{
		case com_calling:	called=1;break;
		case com_demand:	{
						if(demand==0)
							demand=1;
					}break;
		case com_need_para:	need_para=1;break;
		case com_start:		start=1;break;
		case com_rot_front:	{				//正转
						if(rot_front==0)
							rot_front=1;
					}break;
		case com_rot_reverse:	{				//反转
						if(rot_reverse==0)
							rot_reverse=1;
					}break;
		case com_wire_add:	{				//送丝
						if(work==0)
						{
							if(wire_add==0&&WIRE==ON)
								wire_add=1;
						}
						if(work==3)
						{
							if(wire_add==0&&WIRE==ON&&pp.k3==ON)
								wire_add=1;
						}
					}break;
		case com_wire_dec:	{				//抽丝
						if(work==0)
						{
							if(wire_dec==0&&WIRE==ON)
								wire_dec=1;
						}
						if(work==3)
						{
							if(wire_dec==0&&WIRE==ON&&pp.k3==ON)
								wire_dec=1;
						}
					}break;
		case com_motor_stop:	{				//停止点动
						if(motor_stop==0)
							motor_stop=1;
					}break;
		case com_pre_melt_ok:	start_rot=1;break;
		case com_decrease:	decrease=1;break;
		case com_decrease_ok:	rot_stop=1;break;
		case com_wire:		start_wire=1;break;
		case com_stopW:		stop_wire=1;break;
		case com_return:	auto_return=1;break;
		case com_return_ok:	return_ok=1;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 answer:	R_ANSW=rbuffer[2];break;
			case infor:	{
						switch(rbuffer[2])
						{
							case com_sector:	{
											nonce_sec=rbuffer[3];
											in_sector=1;
											new_sector=1;
										}break;
							case com_wire_on_off:	WIRE=rbuffer[3];break;//送丝开关
							case com_delt_switch:	delt_state=rbuffer[3];break;
							default:		break;
						}
					}break;
			case p_out_sec:	receive_p_out=1;break;
			case p_in_sec:	{
						nonce_sec=rbuffer[2];
						receive_p_in=1;
					}break;
			case parameter1:FINISH=rbuffer[2]*256+rbuffer[3];break;
			default:	break;
		}
}

void EX0_INT (void) interrupt 0			//急停
{
	EX1=0;
	send_enable=0;				//关发送使能
	PWM0=0;
	PWM1=0;
	wire_back=1;
	wire_front=1;
	rot_right=1;
	rot_left=1;
	while(err_ok==0)
	{
		if(called==1)
		{
			if(rw_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_RW,err,0,0);
				s_byte_nums=5;
				TR_noans();
				rw_err=0;
				err=0;
				stop=1;
			}
			called=0;
		}
	}
	urgent_stop=1;
}

void EX1_INT (void) interrupt 2
{
	unsigned char get_err;
	EX1=0;

	if(limit==0)
		err=11;			//旋转限位
	else if(wire_over_i==0)
		err=10;
	else 
	{
		get_err=P5;
		get_err=get_err&0x04;
		if(get_err==0)
			err=9;
	}
	if(err!=0)
	{
		rw_err=1;
		stop=0;
	}
	else
		EX1=1;
}
	
void T1_INT (void) interrupt 3
{
//	EA=0;
	c_t1++;
	if(send==1)
	{
		if(c_t1==7)
		{
			S0BUF=sbuffer[POINTER0];
			c_t1=0;
		}
	}
	else
	{
		if(c_t1==100)
		{
			TR1=0;
			overtime=1;
		}
	}
//	EA=1;
}

void TR_INT (void) interrupt 4					//串行口中断
{
	EA=0;							//关中断
	if(TI==1)						//发送完成
	{
		TI=0;
		POINTER0++;					//发送缓冲指针加1
		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_RW||rbuffer[0]==M_ALL||rbuffer[0]==M_current_RW)
		{
			SM2=0;
			if(POINTER1==2)				//获取字节个数
				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
				{
					S_ANSW=FAIL;
					if(resend==0)
						resend=1;
				}
			}
		}
		else
			POINTER1=0;
	}
	EA=1;                                       	//开中断
}

void CT0_int (void) interrupt 6				//焊接角度
{
	CTI0=0;
	if(auto_return==0)
	{
		if(FINISH<=50000)
		{
			temp_pulse_num++;
			if(temp_pulse_num==pulse_num)
			{
				FINISH++;
				temp_pulse_num=0;
			}
		}
		else
		{
			IEN1=IEN1&0XFE;			//CT0
			temp_pulse_num=0;
		}
	}
	else
	{
		if(FINISH>0)
		{
			temp_pulse_num++;
			if(temp_pulse_num==pulse_num)
			{
				FINISH--;
				temp_pulse_num=0;
			}
		}
		else
		{
			PWM0=0;
			rot_right=1;
			rot_left=1;
			IEN1=IEN1&0XFE;			//CT0		
		}
	}
}

void CT3_int (void) interrupt 9				//电流脉冲
{
	CTI3=0;
	CTCON=CTCON&0X3F;
	IEN1=IEN1&0XF7;					//CT3
	p_b=~p_b;
	if(p_b==1)					//峰值
	{
		if(rot_ok==1&&K21==ON)
			PWM0=temp_rot_vp;
		if(wire_ok==1&&WIRE==ON&&K31==ON)
			PWM1=temp_wire_vp;
		CTCON=CTCON|0X80;			//CT3捕捉上升沿
	}
	else
	{
		if(rot_ok==1&&K21==ON)//&&r_slope_ok==1)
			PWM0=temp_rot_vb;
		if(wire_ok==1&&WIRE==ON&&K31==ON)//&&w_slope_ok==1)
			PWM1=temp_wire_vb;
		CTCON=CTCON|0X40;			//CT3捕捉下降沿
	}
	IEN1=IEN1|0X08;					//CT3
}

void CM0_INT (void) interrupt 11			//送丝速度变化时间/抽丝时间
{
	c_cm0++;
	if(retract==0)
	{
		if(c_cm0==n_cm0)
		{
			IEN1=IEN1&0xEF;			//CM0
			if(temp_wire_vp<wire_vp)
			{
					if(temp_wire_vp+1==wire_vp)
						temp_wire_vp=wire_vp;
					else
						temp_wire_vp=temp_wire_vp+1;
			}
	
			if(temp_wire_vp>wire_vp)
			{
					if(temp_wire_vp-1==wire_vp)
						temp_wire_vp=wire_vp;
					else
						temp_wire_vp=temp_wire_vp-1;
			}
			if(K31==ON)
			{
				if(temp_wire_vb<wire_vb)
				{
						if(temp_wire_vb+1==wire_vb)
							temp_wire_vb=wire_vb;
						else
							temp_wire_vb=temp_wire_vb+1;
				}
				if(temp_wire_vb>wire_vb)
				{
						if(temp_wire_vb-1==wire_vb)
							temp_wire_vb=wire_vb;
						else
							temp_wire_vb=temp_wire_vb-1;
				}
			}
			c_cm0=0;
			CML0=TML2+0xC8;
			if(CML0<TML2)
				CMH0=TMH2+1+0X00;
			else
				CMH0=TMH2+0X00;
			if(K31==OFF)
			{
				PWM1=temp_wire_vp;
				if(temp_wire_vp==wire_vp)
				{
					if(wire_ok==0)
						wire_ok=1;
					else
						w_slope_ok=1;
				}
				else
					IEN1=IEN1|0x10;		//CM0
			}
			else
			{
				if(temp_wire_vp==wire_vp&&temp_wire_vb==wire_vb)
				{
					PWM1=temp_wire_vb;
					if(wire_ok==0)
						wire_ok=1;
					else
						w_slope_ok=1;
				}
				else
					IEN1=IEN1|0x10;		//CM0
			}
			
		}
	}
	else
	{
		if(c_cm0<n_cm0)
		{
			CML0=TML2+0X50;			//100ms
			if(CML0<TML2)
				CMH0=TMH2+1+0XC3;
			else
				CMH0=TMH2+0XC3;
		}
		else
		{
			IEN1=IEN1&0XEF;			//CM0
			PWM1=0;
			wire_back=1;
			wire_front=1;
			retract_ok=1;
		}
	}
}

void CM1_INT (void) interrupt 12			//旋转速度变化
{
	c_cm1++;
	if(c_cm1==n_cm1)
	{	
		IEN1=IEN1&0xDF;				//CM1
		if(temp_rot_vp<rot_vp)
		{
			if(temp_rot_vp+1==rot_vp)
				temp_rot_vp=rot_vp;
			else
				temp_rot_vp=temp_rot_vp+1;
		}

		if(temp_rot_vp>rot_vp)
		{
				if(temp_rot_vp-1==rot_vp)
					temp_rot_vp=rot_vp;
				else
					temp_rot_vp=temp_rot_vp-1;
		}
		if(K21==ON)
		{
			if(temp_rot_vb<rot_vb)
			{
				if(temp_rot_vb+1==rot_vb)
					temp_rot_vb=rot_vb;
				else
					temp_rot_vb=temp_rot_vb+1;
			}
			if(temp_rot_vb>rot_vb)
			{
				if(temp_rot_vb-1==rot_vb)
					temp_rot_vb=rot_vb;
				else
					temp_rot_vb=temp_rot_vb-1;
			}
		}

		c_cm1=0;
		CML1=TML2+0XC8;
		if(CML1<TML2)			//CM1,400us,旋转速度变化时间
			CMH1=TMH2+1+0X00;
		else
			CMH1=TMH2+0X00;
	
		if(K21==OFF)
		{
			PWM0=temp_rot_vp;
			if(temp_rot_vp==rot_vp)
			{
				if(rot_ok==0)
					rot_ok=1;
				else
					r_slope_ok=1;
			}
			else
				IEN1=IEN1|0x20;		//CM1
		}
		else
		{
			if(temp_rot_vp==rot_vp&&temp_rot_vb==rot_vb)
			{
				PWM0=temp_rot_vb;
				if(rot_ok==0)
					rot_ok=1;
				else
					r_slope_ok=1;
			}
			else
				IEN1=IEN1|0x20;		//CM1
		}
	}
}
main()
{
	TMOD=0x22;			//定时器1,方式2;
	TL1=0XFD;			//波特率9600
	TH1=0XFD;
	TR1=1;				//启动定时器
	PCON=0X00;			//SMOD=0
	TMOD=0x23;			//定时器0,方式3,两个8位定时器;
	TR1=0;
	TF1=0;
	S0CON=0XF8;			//串口方式3,SM2=0,REN=1,TB8=1,RB8=0,TI=0,RI=0
	IP0=0X98;			//S0=1,T1=1
	ES0=1;				//开串口中断

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