⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 motor.c

📁 DSP F2812控制直流无刷电机源代码
💻 C
字号:
#include "DSP28_Device.h"
#include "comm.h"
#include "mcbsp.h"
#include "gui_string.h"
#include "motor.h"

#define DATATYPE 0 /* 0代表edit菜单;1代表选项菜单*/

unsigned int i,j;
unsigned int send_flag;
/***************************************************/
interrupt void mrinta_isr(void);
interrupt void t1pint_isr(void);
interrupt void t2pint_isr(void);
interrupt void  cap_isr(void);
interrupt void  pdpinta_isr(void);
void delay(unsigned int m);
void pidcontrol(int u,int y);//调节电流
void pidcontrol1(int u,int y);//调节速度

unsigned int t1prd=117;//定时器1的周期
unsigned int t2prd=117;//定时器2的标志

unsigned int dir=1;//电机转动方向
unsigned int start=0;//电机启动停止标志
unsigned int setflag=0;//表示是否进行速度设定
unsigned int sudusendflag=0,xssdbz=0;//速度上传标志和速度显示的计数
unsigned int sdxsjs=0;


unsigned int dccurent,u,v,w,speedad;//直流母线电流
unsigned int dcvoltage;//直流母线电压
Uint32 Sumdcv=0;
unsigned int dcvcount=0,Averagedcv=0;//母线电压平均值初始化


unsigned int capstastus;//定义cap口的电平
Uint32 Time,T2cnt,Speed=0,count=0;
unsigned Pole=2;//极对数
Uint32 Sum=0,Average=0;
unsigned int l=0,nn=0;
//速度到pwm的初始值
unsigned int pwm=10;//pwm的占空比初值
float kp=0.1,ki=0.1,kd=0.0;
int Speedset=1500;
int ek=0,ek1=0,ek2=0;
int du;
float duk;

int t2=0;

unsigned int test[2000],test1[5000],test2[2000];
int sss=0;
/***************************************************/

/*******************************************************/

#define menu_num 5 /*通过num来控制输出文字的个数,通过gui_string.sam控制内容。*/
unsigned int Test;
/////////////////////////////////////////////////////////////////////////
unsigned int Edit_result;
unsigned int i,k;
/////////////////////////////////////////////////////////////////////////
unsigned int mcbspx[FRAMLENGTH];
unsigned int mcbspr[FRAMLENGTH];
unsigned int mcbsp_s;
PmcbspForDec psend;
PmcbspForDec preceive;
/************************************************/
void main(void)
{

#if DATATYPE==0
	Test =FRAME_DATASEND; //0x1  数据传送帧
#endif
#if DATATYPE==1
	Test =FRAME_DATAEND; // 0x3  数据传送结束帧
#endif 
		/*初始化系统*/
	InitSysCtrl();

	/*关中断*/
	DINT;
	IER = 0x0000;
	IFR = 0x0000;

	/*初始化PIE*/
	InitPieCtrl();

	/*初始化PIE矢量表*/
	InitPieVectTable();	
	
	/*初始化GPIO*/
	Gpioinit();
	
	/*初始化AD*/
	InitAdc();
	
	/*初始化PWM*/
	Init_eva_pwm(); 
    
    /*初始化CAP*/
    Capinit();
	
	/*初始化MCBSP外设*/
	InitMcbsp();
	
	EALLOW;  // This is needed to write to EALLOW protected register
    PieVectTable.CAPINT1=&cap_isr;
    PieVectTable.CAPINT2=&cap_isr;
    PieVectTable.CAPINT3=&cap_isr;
    PieVectTable.T1PINT=&t1pint_isr;
    PieVectTable.T2PINT=&t2pint_isr;
    PieVectTable.PDPINTA=&pdpinta_isr;
    PieVectTable.MRINTA= &mrinta_isr;
    EDIS;    // This is needed to disable write to EALL
	
	PieCtrl.PIEIER2.bit.INTx4=1;//T1pint中断
    PieCtrl.PIEIER3.bit.INTx1=1;//T2pint中断
    PieCtrl.PIEIER3.bit.INTx5=1;//Cap1中断
    PieCtrl.PIEIER3.bit.INTx6=1;//Cap2中断
    PieCtrl.PIEIER3.bit.INTx7=1;//Cap3中断
    PieCtrl.PIEIER1.bit.INTx1=1;//pdpinta中断 
    PieCtrl.PIEIER6.bit.INTx5 = 1;//McBSP接受中断	
	/* 设置IER寄存器 */

	IER |= M_INT1;
    IER |= M_INT2; // t1pint enable
    IER |= M_INT3; // capture enable
    IER |= M_INT6;
    
    
    // Enable global Interrupts and higher priority real-time debug events:
	//startmotor();
	EINT;   // Enable Global interrupt INTM
	ERTM;	// Enable Global realtime interrupt DBGM
	
    psend=(PmcbspForDec)(&mcbspx[0]);  
    
    
// Step 6. IDLE loop. Just sit and loop forever (optional):	
    while(1)
    {    
           switch(Test)       
           {
            case FRAME_DATASEND:
 				psend->Length=FRAMLENGTH; 		
 	   			psend->Type=FRAME_DATASEND;  //0x1  数据传送
	   		 	psend->Mutul=FRAME_SING;			
	 		    psend->Data[0]=MOTOR_START;  //0xAA30	电机实验开始
		    	mcbsp_tx((unsigned int *)psend);
                Test=0;
            break;
            case FRAME_DATAEND:
                psend->Length=FRAMLENGTH; 		
 	   			psend->Type=FRAME_DATAEND;  //0x3  数据传送
	   		 	psend->Mutul=FRAME_SING;			
	 		    psend->Data[0]=MOTOR_OVER;  //0xAA32	电机实验结束
	  		    mcbsp_tx((unsigned int *)psend);
	  		    Test=0;
            break;
            default:
		    break;  
		}	
		mcbsp_rx(&mcbspr[0]);
   	    mcbsp_s=mcbsp_status();
    	if((mcbsp_s == 0xffff)||(mcbsp_s == 3)){        
		     /*通知主机程序通讯出错,准备重发*/
		   	psend->Length = FRAMLENGTH;
		   	psend->Type = FRAME_CMD;
			psend->Data[0] = CHECK_ERR;
		   	psend->Mutul = FRAME_SING;
			mcbsp_tx((unsigned int *) psend);
		}
		if(mcbsp_s == 0)
		{
			 preceive=(PmcbspForDec)(&mcbspr[0]);
			 if(mcbspr[3]==0xaa38)
			 {
			 	switch(mcbspr[4])
			 	{
			 		case 0xaa35:
			 		{
			 			start=1;
			 			xssdbz=1;
			 			startmotor();break;//启动电机
			 		}
			 		case 0xaa34:
			 		{
			 			start=0;
			 			xssdbz=1;
			 			stopmotor();//停止电机
			 			setflag=0;
			 			break;
			 		}
			 		case 0xaa36:
			 		{
			 			if(start==1)
			 			{
			 				dir=!dir;//换向
			 				stopmotor();
			 				delay(1000);
			 				startmotor();
			 				xssdbz=1;
			 			}
			 			break;
			 		}	
			 		default:break;		 		
			 	}
			 }
			 if(mcbspr[3]==0xaa37)//pid参数设定
			 {
			    xssdbz=1;
			    Speedset=mcbspr[4];
			 	kp=(float)mcbspr[5]/1000;
			 	ki=(float)mcbspr[6]/1000;
			 	kd=(float)mcbspr[7]/1000;
			 	if(start==1)
			 	setflag=1;//表示开始设定速度,pid 
			 	else
			 	setflag=0;
			 }
		}
			 
		if((sudusendflag==1)&&(xssdbz==1))//每隔2s上传一次速度
		{
			sudusendflag=0;
			psend->Length = FRAMLENGTH;
		   	psend->Type = FRAME_DATASEND;
			psend->Data[0] = 0xaa20;
			if(start==0)//电机停止状态下速度为0
			Speed=0x0;
			psend->Data[1] =Speed;
		   	psend->Mutul = FRAME_SING;
			mcbsp_tx((unsigned int *) psend);
		}		
	}	
} 	


interrupt void  t2pint_isr(void)
{
  count++; 
  EvaRegs.EVAIFRB.bit.T2PINT=1;//清除中断标志
  EvaRegs.EVAIMRB.bit.T2PINT=1;//中断允许    
  PieCtrl.PIEACK.bit.ACK3=1;//向cpu申请中断 
}


interrupt void  cap_isr(void)
{  
   /*****以下用来检测传感器的输出电平,用来换向****/
   Uint32 kk=t2prd;
   EALLOW;
   GpioMuxRegs.GPAMUX.bit.CAP1Q1_GPIOA8=0;//设定cap1~3为gpio
   GpioMuxRegs.GPAMUX.bit.CAP2Q2_GPIOA9=0;
   GpioMuxRegs.GPAMUX.bit.CAP3QI1_GPIOA10=0;   
   GpioMuxRegs.GPADIR.bit.GPIOA8=0;//设定cap1~3为输入
   GpioMuxRegs.GPADIR.bit.GPIOA9=0;
   GpioMuxRegs.GPADIR.bit.GPIOA10=0;
   capstastus=(GpioDataRegs.GPADAT.all&0x0700)>>8;
   
   if(dir==1)
    {
     	switch(capstastus)//ir2136 的hin和lin是反向的
   	 	{
   			case 1: EvaRegs.ACTR.all=0x7fd;break;//h3 fall
   			case 2: EvaRegs.ACTR.all=0xfd7;break;//h1 fall
   			case 3: EvaRegs.ACTR.all=0x7df;break;//h2 rise
   			case 4: EvaRegs.ACTR.all=0xd7f;break;//h2 fall
   			case 5: EvaRegs.ACTR.all=0xf7d;break;//h1 rise
   			case 6: EvaRegs.ACTR.all=0xdf7;break;//h3 rise
   	 	}
    }
    else
    {
    	switch(capstastus)//ir2136 的hin和lin是反向的
   	 	{
   			case 5: EvaRegs.ACTR.all=0xfd7;break;//h1 rise    
   			case 1: EvaRegs.ACTR.all=0xd7f;break;//h3 fall
   			case 3: EvaRegs.ACTR.all=0xdf7;break;//h2 rise
   			case 2: EvaRegs.ACTR.all=0xf7d;break;//h1 fall
   			case 6: EvaRegs.ACTR.all=0x7fd;break;//h3 rise
   			case 4: EvaRegs.ACTR.all=0x7df;break;//h2 fall
   	 	}
    }
      
   
   /*以下用来计算转速*/
    T2cnt=EvaRegs.T2CNT;//读取定时器2的值
    Time=kk*count+ T2cnt;//获得运转1相所需时间    
    Sum+=Time;   
    l++;
        
    if(l==12)//每转12/6/pole计算一下转速
    {
      Average=Sum/12;  
              
      Speed=kk*20000*60/(Average*6*Pole);//计算转速        
      Sum=0;      
      l=0;      
      test[nn]=Speed;//测试用,存储速度值      
      nn++;      
      if(nn==2000)
      {      	 
      	  nn=0;  
      }

    }
    
    count=0;
    EvaRegs.T2CON.all = 0x1400;//关闭定时器2   
    EvaRegs.T2CNT = 0x0000;
    EvaRegs.T2CON.all = 0x1440;//启动定时器2
    
   
    /*************************/
    GpioMuxRegs.GPAMUX.bit.CAP1Q1_GPIOA8=1;//重新设定cap1~3为gpio
    GpioMuxRegs.GPAMUX.bit.CAP2Q2_GPIOA9=1;
    GpioMuxRegs.GPAMUX.bit.CAP3QI1_GPIOA10=1; 
   
    EvaRegs.EVAIFRC.all = 7 ; // 清捕捉中断
    EvaRegs.CAPFIFO.all = 0x01500; // 清空捕捉堆栈   
    PieCtrl.PIEACK.bit.ACK3=1;//cap1中断向cpu申请中断
}

interrupt void  t1pint_isr(void)
{
    dcvoltage=(AdcRegs.RESULT0)>>4;
  	dccurent=(AdcRegs.RESULT3)>>4;
    w=(AdcRegs.RESULT1)>>4;
    u=(AdcRegs.RESULT2)>>4;  	
    speedad=(AdcRegs.RESULT4)>>4;
    v=(AdcRegs.RESULT5)>>4;     
    
    sdxsjs++;
    if(sdxsjs==40000)
    {
    	sudusendflag=1;//速度上传标志置位
    	sdxsjs=0;
    	GpioDataRegs.GPADAT.bit.GPIOA13 =!GpioDataRegs.GPADAT.bit.GPIOA13;//程序运行显示	
    }//速度上传得计时
    
   //母线电压检测,过压保护,
   //注:电机在启动或者转动方向改变时,可能母线电压有脉动
   //采用多次求平均值
    Sumdcv+=dcvoltage;
    dcvcount++;
    if(dcvcount==500)
    {
    	Averagedcv=Sumdcv/500;//求平均母线电压
    	Sumdcv=0;
    	dcvcount=0;	
    }    
  		
  	if(Averagedcv>=3000)
  	{
  		stopmotor();
  		GpioDataRegs.GPADAT.bit.GPIOA11 =1;//过压显示	
  	}
    else
    {   
        GpioDataRegs.GPADAT.bit.GPIOA11 =0;   	
  		test1[t2]=dcvoltage; 
  		test2[t2]=dccurent;   
  	
  		////速度调节
  		t2++;
  		if(t2==5000)
  		{
  		    if(setflag==1)
  		    {
   			pidcontrol(Speedset,Speed);//50ms
   			}
  			t2=0;
  		}
  	
  	}
  	/******************************/  
  	AdcRegs.ADC_ST_FLAG.bit.INT_SEQ1_CLR=1; //清除状态字
 	AdcRegs.ADCTRL2.bit.RST_SEQ1=1;//复位seq1
  
  	EvaRegs.EVAIFRA.bit.T1PINT=1;//清除中断标志
  	EvaRegs.EVAIMRA.bit.T1PINT=1;//中断允许 
   
  	PieCtrl.PIEACK.bit.ACK2=1;//向cpu申请中断

}


interrupt void  pdpinta_isr(void)
{
  
  	EvaRegs.EVAIFRA.bit.PDPINTA=1;//清除PDPINTA中断标志
  	PieCtrl.PIEACK.bit.ACK1=1;//向cpu申请中断
  	
    stopmotor();
    GpioDataRegs.GPADAT.bit.GPIOA12 =1;//故障显示
  	EvaRegs.COMCONA.bit.FCOMPOE=1;//重新使能比较输出
 
}


/**************************************/
interrupt void mrinta_isr(void)     // McBSP-A
{
	PieCtrl.PIEACK.bit.ACK6 = 1;
	if(Mcbsp_RxRdy() == 1)
	{
		RevBuffer[datarevlength] = McbspRegs.DRR1.all;
		datarevlength++;

	}
	EINT;
}


//pid控制
void pidcontrol(int u,int y)
{
   
	ek=u-y;
	duk=kp*(ek-ek1)+ki*ek+kd*(ek+ek2-ek1*2);
	du=(int)duk;
	if(duk>1)  duk=1;
	if(duk<-1) duk=-1;	
	pwm-=du;    
	if(pwm<4)
	{
	  pwm=4;		
	}
	if(pwm>70)
	{
	  pwm=70;	
	}
	EvaRegs.CMPR1=pwm;
	EvaRegs.CMPR2=pwm;
	EvaRegs.CMPR3=pwm;
	
	ek2=ek1;
	ek1=ek;	
}

void delay(unsigned int m)
{
    unsigned int i,j;
	for(i=0;i<m;i++)
	{
		for(j=0;j<1500;j++)
		{}
	}
}


/***********************************************************************/
//	No	more
/***********************************************************************/


⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -