2.4 无刷直流电动机驱动控制程序//########################################################################## ###/////无刷电机控制源程序//TMS320F2812////########################################################################## ###//=====================================================================//头文件调用//=====================================================================#include "DSP28_Device.h"#include "math.h"#include "float.h"//=====================================================================//常量附值//=====================================================================#define Idc_max 3000 //电流给定最大值#define Idc_min 0 //电流给定最小值//=====================================================================//标志位//=====================================================================char Iab_Data=0;struct Flag_Bits { // bits descriptionUint16 Send:1; // 0 串口发数Uint16 Test:1; // 1 串口测试Uint16 Vflag:1; // 2 转速更新Uint16 SendEnd:1; // 3 串口发送结束Uint16 Sign1:1; // 4 上一次给定转向标志Uint16 Sign2:1; // 5 本次给定转向标志Uint16 Openint:1; // 6 启动标志Uint16 Adfrist:1; // 7 保留Uint16 Spdoff:1; // 8 保留Uint16 Zero:1; // 9 转速过零标志Uint16 Mode:3; // 10-12 保留Uint16 Dshow:1; // 13 保留Uint16 Sign:1; // 14 当前转向标志};union Flag_Reg {Uint16 all;struct Flag_Bits bit;}FlagRegs;//===================================================================== //全局变量//===================================================================== //串口通信变量unsigned int Sci_Rx[8]={0,0,0,0,0,0,0,0}; //接收数据数组unsigned int Sci_Tx[8]={0,0,0,0,0,0,0,0}; //发送数据数组char T_pointer=0; //发送数据数组指针char R_pointer=0; //接收数据数组指针char T_length=1; //发送数据长度char R_length=0; //接收数据长度char a2=0;//控制参数unsigned int spd_kp=0; //转速环P参数unsigned int spd_ki=0; //转速环I参数unsigned int id_kp=0,id_ki=0; //电流PI参数signed int spd_given=0; //转速给定signed int spd_given1=0; //转速给定signed int spd_given2=0; //转速给定//控制变量unsigned int cap1=0; //前次换向标志位unsigned int cap2=0; //本次换向标志位unsigned int intruptcount=0; //定时器1下溢中断次数unsigned int speed_given = 1000; //转速给定signed int Idc_given2=0; //算得本次电流给定值signed int speed_e1=0; //前次转速误差signed int speed_e2=0; //本次转速误差signed int Ia_e1=0; //前次电流误差signed int Ia_e2=0; //本次电流误差char t2first=0;signed int COMP2=0; //装比较寄存器值//转速反馈char Spd_Data=0; //滤波计数int speed_counter=0; //速度环计数器unsigned int cap_a; //本次捕获单元数据unsigned int cap_b; //上次捕获单元数据long cap_c; //捕获单元数据差signed int BLDC_SPD[10]={0,0,0,0,0,0,0,0,0,0};//转速滤波signed int spd_fd_q1=0; //转速反馈临时变量unsigned int spd_fd_q0=0; //转速检测值char cc=0;//电流反馈unsigned int ia[6]={0,0,0,0,0,0}; //A相电流反馈值unsigned int ib[6]={0,0,0,0,0,0}; //B相电流反馈值signed int ia_fd=0,ib_fd=0; //电流反馈signed int Temp_filter=0; //临时变量unsigned int t1per=0; //周期寄存器数值//临时变量signed long long1_tmp=0;signed long long2_tmp=0;signed int u16_tmp1=0;signed int u16_tmp2=0;//===================================================================== //子程序声明//===================================================================== interrupt void t1uf_int(void);interrupt void cap_int(void);void Ad(void);void speed(void); //计算速度void Ia_PI(void); //电流环调节Iavoid speed_PI(void); //速度环调节void bldc(void);void Check_Rxdata(void);void Sci_Send(signed int sci_delay);char *Fen_Jie(signed int Send_Temp);unsigned int Sci_Rx_check(unsigned int i_Rx,unsigned int *p_Rx);signed int DIV_CAL(long signed int dividend,signed int divisor);unsigned int U_DIV_CAL(long unsigned int udividend,unsigned int udivisor);//=====================================================================//主程序开始//===================================================================== void main(void){//控制寄存器初始设置InitSysCtrl(); //初始化系统DINT; //关全局中断IER = 0x0000;IFR = 0x0000;InitPieCtrl(); //初始化PIE中断InitPieVectTable(); //初始化PIE中断矢量表InitGpio(); //初始化Gpio输入输出口InitEv(); //初始化Eva的T和T2InitAdc_Eva(); //初始化ADInitData();EALLOW; // This is needed to write to EALLOW protected registersPieVectTable.T1UFINT=&t1uf_int;//T1下溢中断地址PieVectTable.CAPINT4=&cap_int;PieVectTable.CAPINT5=&cap_int;PieVectTable.CAPINT6=&cap_int;EDIS; // This is needed to disable write to EALLOW protected registersPieCtrl.PIEIER2.bit.INTx6 = 1; //T1下溢中断使能PieCtrl.PIEIER5.bit.INTx5 = 1;PieCtrl.PIEIER5.bit.INTx6 = 1;PieCtrl.PIEIER5.bit.INTx7 = 1;IER |= M_INT2; // Enable CPU Interrupt 2IER |= M_INT4; // Enable CPU Interrupt 4IER |= M_INT5; // Enable CPU Interrupt 5EvbRegs.EVBIMRC.bit.CAP4INT=1;EvbRegs.EVBIMRC.bit.CAP5INT=1;EvbRegs.EVBIMRC.bit.CAP6INT=1;EvbRegs.CAPCONB.all=0x36FF;NOP;NOP;NOP;NOP;EvbRegs.CAPCONB.all=0xB6FF;EINT; //使能全局中断INTMERTM; // Enable Global realtime interrupt DBG//等待中断（中断之外的时间内进行LCD的发送和接收）for(;;){SCI_CTL();}}//===================================================================== //串口控制//===================================================================== //*************//接收数据检测//************void Check_Rxdata(){switch(Sci_Rx[0]){case 'm': //转速给定和转速在线更新 case 'v':{FlagRegs.bit.Vflag=1;if(Sci_Rx[1]=='-'){FlagRegs.bit.Sign1=0; //转速为负值spd_given1 = Sci_Rx_check(4,Sci_Rx);}else{FlagRegs.bit.Sign1=1; //转速为正值spd_given1 = Sci_Rx_check(3,Sci_Rx);}if(Sci_Rx[0]=='m'){FlagRegs.bit.Sign2=FlagRegs.bit.Sign1;FlagRegs.bit.Sign=FlagRegs.bit.Sign1;}break;}case 's': //启动{Sci_Tx[0]='a';Sci_Tx[1]='+';Sci_Tx[2]='0';Sci_Tx[3]='0';Sci_Tx[4]='0';Sci_Tx[5]='0';Sci_Tx[6]='0';Sci_Tx[7]='z';spd_given=spd_given1;Protect_Data();Motor_Start();FlagRegs.bit.Send=1;T_length=8;T_pointer=0;break;}case 't': //停止 {Motor_Stop();break;}default: break;}}//*******************// 串口接收/发送判断//******************SCI_CTL(){if((SciaTx_Ready() == 1) && (FlagRegs.bit.Send == 1))//发送数据准备好并且软件使能发送{if(FlagRegs.bit.Test==0) //SCI测通状态{SciaRegs.SCITXBUF = Sci_Rx[T_pointer];T_pointer++; //发送缓冲器数组指针+1if(T_pointer==R_length){FlagRegs.bit.Test=1;FlagRegs.bit.Send=0;T_pointer=0;}}else //SCI非测通状态{SciaRegs.SCITXBUF = Sci_Tx[T_pointer];T_pointer++; //发送缓冲器数组指针+1if(T_pointer==T_length){FlagRegs.bit.Send = 0;T_pointer=0;}if(T_pointer>=10){T_pointer=0;FlagRegs.bit.Send= 0;}}R_pointer=0;}#if !SCIA_INTif(SciaRx_Ready() == 1) //接收数据准备好{FlagRegs.bit.SendEnd=0;FlagRegs.bit.Send= 0;Sci_Rx[R_pointer] = SciaRegs.SCIRXBUF.all;R_pointer++;if(Sci_Rx[R_pointer-1]=='z'){R_length=R_pointer-1;FlagRegs.bit.Send= 1;FlagRegs.bit.SendEnd=1;if(FlagRegs.bit.Test==1){Check_Rxdata();R_pointer = 0;}}if(R_pointer== 10){R_pointer = 0;}}#endif}//****************//接收数据格式调整//****************unsigned int Sci_Rx_check(unsigned int i_Rx,unsigned int *p_Rx){unsigned long data_Rx;unsigned int *p_tmp_Rx=p_Rx+i_Rx;data_Rx=1000*(*p_tmp_Rx)+100*(*(p_tmp_Rx+1))+10*(*(p_tmp_Rx+2))+(*(p_tmp_Rx+ 3))-53328;return(data_Rx);}//****************//发送数据格式调整//****************char *Fen_Jie(signed int Send_Temp) {unsigned int Temp;char s1,s2,s3,s4;char String_Tmp[6]={0,0,0,0,0,'\0'}; if(Send_Temp< 0){String_Tmp[0]='-';Send_Temp=-Send_Temp;}else{String_Tmp[0]='+';}s1=((long)Send_Temp*2097)>>21;if(s1>=10) {s1=9;}Temp=Send_Temp-s1*1000;s2=((long)Temp*5253)>>19;if(s2>=10) {s2=9;}Temp=Temp-s2*100;s3=((long)Temp*3277)>>15;if(s3>=10) {s3=9;}s4=Temp-s3*10;if(s4>=10) {s4=9;}String_Tmp[1]=s1+48; //千位String_Tmp[2]=s2+48; //百位String_Tmp[3]=s3+48; //十位String_Tmp[4]=s4+48; //个位return(String_Tmp);}//**************// 数据发送//**************void Sci_Send(signed int sci_delay){//串口数据发送char *p_send=0;a2++;if((a2>=sci_delay)&&(FlagRegs.bit.Send==0)&&(FlagRegs.bit.SendEnd==1)) {p_send=Fen_Jie(spd_fd_q0);Sci_Tx[0]='a';Sci_Tx[1]=*p_send;Sci_Tx[2]='0';Sci_Tx[3]=*(p_send+1);Sci_Tx[4]=*(p_send+2);Sci_Tx[5]=*(p_send+3);Sci_Tx[6]=*(p_send+4);Sci_Tx[7]='z';FlagRegs.bit.Send=1;a2=0;}}//===================================================================== //电机状态控制//===================================================================== //*******************// 数据处理//******************Protect_Data(){if(spd_kp<=0)spd_kp=1; //转速环P参数else if(spd_kp>30000) spd_kp=30000;if(spd_ki<=0)spd_ki=1; //转速环P参数else if(spd_ki>30000) spd_ki=30000;if(id_kp<=0)id_kp=1; //转速环P参数else if(id_kp>30000) id_kp=30000;if(id_ki<=0)id_ki=1; //转速环P参数else if(id_ki>30000) id_ki=30000;EvaRegs.T1PR =7500; //矢量控制开关频率5K固定t1per=7500;EvaRegs.T1CON.all = 0X080C; //连续增减计数InitAdc_Eva();} //************//电机停止//************ Motor_Stop(){EvaRegs.CMPR1=0;EvaRegs.CMPR2=0;EvaRegs.CMPR3=0;EvaRegs.ACTR.all=0X0FFF;InitData();FlagRegs.bit.Openint=0;EvaRegs.T1CON.bit.TENABLE=0;EvbRegs.T3CON.bit.TENABLE=0;}//************//电机启动//************Motor_Start(){EvaRegs.ACTR.all=0X0999;FlagRegs.bit.Openint=1;t1per=7500;EvaRegs.T1PR =7500; //周期寄存器 5khzEvaRegs.T1CON.all = 0X080C; //连续增减计数EvbRegs.T3PR =0xffff; // 周期寄存器EvbRegs.T3CON.all = 0X170C; // 连续增减计数EvbRegs.EVBIMRA.all=0X0000; // T3下溢使能EvbRegs.EVBIFRA.all=0X0FFFF; // 清中断标志位GpioMuxRegs.GPBMUX.bit.CAP4Q1_GPIOB8=0; //将cap456设置为io口 GpioMuxRegs.GPBMUX.bit.CAP5Q2_GPIOB9=0;GpioMuxRegs.GPBMUX.bit.CAP6QI2_GPIOB10=0;cap2 = GpioDataRegs.GPBDAT.all & 0x0700; //记录cap4-6初始状态cap2 = cap2>>8;cap2 = cap2&0x0007;if(FlagRegs.bit.Sign==1) cap2=7-cap2;else cap2=cap2;GpioMuxRegs.GPBMUX.bit.CAP4Q1_GPIOB8=1; //将cap456设置为CAP口 GpioMuxRegs.GPBMUX.bit.CAP5Q2_GPIOB9=1;GpioMuxRegs.GPBMUX.bit.CAP6QI2_GPIOB10=1;EvaRegs.T1CON.bit.TENABLE=1;FlagRegs.bit.Vflag=1;}//===================================================================== //直流无刷电动机驱动双闭环主程序//===================================================================== //*****************//驱动主程序//*****************void bldc(){intruptcount++;speed();switch((int)cap2){case 4:{Ad(); //检测电流if(ia_fd<0) ia_fd=0; //保护speed_PI(); //转速PI调节Ia_PI(); //电流PI调节EvaRegs.ACTR.all = 0x0F3E; //ia+,ib-EvaRegs.CMPR1=COMP2;break;}case 5:{Ad(); //检测电流if(ia_fd<0) ia_fd=0; //保护speed_PI(); //转速PI调节Ia_PI(); //电流PI调节EvaRegs.ACTR.all = 0x03FE; //ia+,ic- EvaRegs.CMPR1=COMP2;break;}case 1:{Ad();if(ib_fd<0) ib_fd=0;ia_fd=ib_fd;speed_PI();Ia_PI();EvaRegs.ACTR.all = 0x03EF; //ib+,ic- EvaRegs.CMPR2=COMP2;break;}case 3:{Ad();if(ib_fd<0) ib_fd=0;ia_fd=ib_fd;speed_PI();Ia_PI();EvaRegs.ACTR.all = 0x0FE3; //ib+,ia- EvaRegs.CMPR2=COMP2;break;}case 2:{Ad();ia_fd=-ia_fd;if(ia_fd<0) ia_fd=0;speed_PI();Ia_PI();EvaRegs.ACTR.all = 0x0EF3; //ic+,ia- EvaRegs.CMPR3=COMP2;break;}case 6:{Ad();ib_fd=-ib_fd;if(ib_fd<0) ib_fd=0;ia_fd=ib_fd;speed_PI();Ia_PI();EvaRegs.ACTR.all = 0x0E3F; //ic+,ib-EvaRegs.CMPR3=COMP2;break;}default: break;}}//********************************//电流反馈//********************************void Ad(){char delay_zy=0;ia_fd=0,ib_fd=0; //AB相电流检测值清零 for(Iab_Data=0;Iab_Data<=5;Iab_Data++){ia[Iab_Data]=AdcRegs.RESULT0>>4;ib[Iab_Data]=AdcRegs.RESULT1>>4;if(Iab_Data==0){for(delay_zy=0;delay_zy<=10;delay_zy++) {;}}else if(Iab_Data==1){if(ia[0]>ia[1]){Temp_filter= ia[1];ia[1] = ia[0];ia[0] = Temp_filter;}if(ib[0]>ib[1]){Temp_filter= ib[1];ib[1] = ib[0];ib[0] = Temp_filter;}}else{if(ia[Iab_Data]>ia[1]){Temp_filter= ia[1];ia[1] = ia[Iab_Data];ia[Iab_Data] = Temp_filter;}else if(ia[Iab_Data]<ia[0]){Temp_filter= ia[0];ia[0] = ia[Iab_Data];ia[Iab_Data] = Temp_filter;}if(ib[Iab_Data]<ib[0]){Temp_filter= ib[0];ib[0] = ib[Iab_Data];ib[Iab_Data] = Temp_filter;}else if(ib[Iab_Data]>ib[1]){Temp_filter= ib[1];ib[1] = ib[Iab_Data];ib[Iab_Data] = Temp_filter;}}}ia_fd=(ia[2]+ia[3]+ia[4]+ia[5])>>2; ib_fd=(ib[2]+ib[3]+ib[4]+ib[5])>>2; ia_fd=ia_fd-2133;ib_fd=ib_fd-2150;}//********************************//转速反馈计算//********************************void speed(void){if((cap2 != cap1)&&(t2first==1)){if(cap_c!= 0){long2_tmp = 1953125/cap_c;spd_fd_q1 = long2_tmp;intruptcount=0;switch(cap2){case 5:{if(cap1==4) spd_fd_q1=-spd_fd_q1; break;}case 4:{if(cap1==6) spd_fd_q1=-spd_fd_q1; break;case 6:{if(cap1==2) spd_fd_q1=-spd_fd_q1; break;}case 2:{if(cap1==3) spd_fd_q1=-spd_fd_q1; break;}case 3:{if(cap1==1) spd_fd_q1=-spd_fd_q1; break;}case 1:{if(cap1==5) spd_fd_q1=-spd_fd_q1; break;}default:break;}BLDC_SPD[Spd_Data]=spd_fd_q1;if(Spd_Data==1)if(BLDC_SPD[0]>BLDC_SPD[1]){Temp_filter = BLDC_SPD[1];BLDC_SPD[1] = BLDC_SPD[0];BLDC_SPD[0] = Temp_filter;}}else{if(BLDC_SPD[Spd_Data]>BLDC_SPD[1]){Temp_filter= BLDC_SPD[1];BLDC_SPD[1] = BLDC_SPD[Spd_Data];BLDC_SPD[Spd_Data] = Temp_filter;}else if(BLDC_SPD[Spd_Data]<BLDC_SPD[0]) {Temp_filter= BLDC_SPD[0];BLDC_SPD[0] = BLDC_SPD[Spd_Data];BLDC_SPD[Spd_Data] = Temp_filter;}}Spd_Data++;if(Spd_Data>=10){Spd_Data=0;}cc++;if(cc>=3){cc=0;spd_fd_q0=(BLDC_SPD[2]+BLDC_SPD[3]+BLDC_SPD[4]+BLDC_SPD[5]+BLDC_SPD[6]+BLDC_ SPD[7]+BLDC_SPD[8]+BLDC_SPD[9])>>3;}cap1=cap2;}else{spd_fd_q0 = 0;}}else{if(intruptcount>=1500){intruptcount=0;spd_fd_q0=0;}else{spd_fd_q0=spd_fd_q0;}}if(t2first==0) t2first=1;}//********************************//转速调节器//********************************void speed_PI(void){unsigned int abs_spd=0;signed int spd_ki_bldc=1;speed_counter++;if(speed_counter>=10){speed_counter=0;if(FlagRegs.bit.Vflag==1) //转速给定更新{if(FlagRegs.bit.Sign1!=FlagRegs.bit.Sign2)//新转向和原有转向不同 {FlagRegs.bit.Zero =1; //换转向标志位置位spd_given2=spd_given; //缓存目标频率spd_given=0; //当前目标频率给定0}FlagRegs.bit.Vflag =0; //转速给定更新标志位清零FlagRegs.bit.Sign2=FlagRegs.bit.Sign1; //更新转向标志}if((spd_fd_q0==0)&&(FlagRegs.bit.Zero==1)) //当前给定频率,目标频率需要反向(电机需要从正转到反转){spd_given=spd_given2; //给定新的目标频率FlagRegs.bit.Zero=0; //换转向标志位清零FlagRegs.bit.Sign=FlagRegs.bit.Sign1; //给定新的转向}speed_e1 = speed_e2; //将本次误差用作下次使用speed_e2 = spd_given - abs(spd_fd_q0);abs_spd=abs(spd_given)>>2;if((abs(speed_e2))<abs_spd){spd_ki_bldc=spd_ki;}else{if(spd_given<100) spd_ki_bldc=12;//10*8else if(spd_given<150) spd_ki_bldc=10;else if(spd_given<200) spd_ki_bldc=8;else if(spd_given<250) spd_ki_bldc=6;else if(spd_given<300) spd_ki_bldc=5;else spd_ki_bldc=4;}long1_tmp= (long)spd_kp * (speed_e2 - speed_e1); long2_tmp= (long)spd_ki_bldc * speed_e2;u16_tmp1=(long1_tmp+long2_tmp)>>10;Idc_given2=Idc_given2+u16_tmp1;if(Idc_given2 > Idc_max) //限幅Idc_given2 = Idc_max;else if(Idc_given2 < Idc_min)Idc_given2 = Idc_min;}}//********************************//电流调节器//********************************void Ia_PI(void){Ia_e1 = Ia_e2; //将本次误差用作下次使用Ia_e2 = Idc_given2 - ia_fd;long1_tmp=(long)id_kp * (Ia_e2 - Ia_e1);long2_tmp=(long)id_ki * Ia_e2;u16_tmp1=(long1_tmp+long2_tmp)>>12;COMP2=COMP2+u16_tmp1;if(COMP2 < 0)COMP2 = 0;else if(COMP2 > (t1per-200))COMP2 = (t1per-200);}//===================================================================== //T1下溢中断子程序//===================================================================== interrupt void t1uf_int(void){IFR=0x0000; //中断标志位清零PieCtrl.PIEACK.all=0xffff;if(FlagRegs.bit.Openint==1) //控制程序准备开始运行{bldc();GpioDataRegs.GPACLEAR.bit.GPIOA11=1;Sci_Send(400);}EvaRegs.EVAIFRA.bit.T1UFINT=1; //T1下溢中断标志位清零EINT;}//=====================================================================// CAP4/5/6中断子程序//===================================================================== interrupt void cap_int(void){IFR=0x0000;PieCtrl.PIEACK.all=0xffff;GpioMuxRegs.GPBMUX.bit.CAP4Q1_GPIOB8=0; //将cap456设置为io口GpioMuxRegs.GPBMUX.bit.CAP5Q2_GPIOB9=0;GpioMuxRegs.GPBMUX.bit.CAP6QI2_GPIOB10=0;cap2 = GpioDataRegs.GPBDAT.all & 0x0700; //记录cap4-6初始状态cap2 = cap2>>8;cap2 = cap2&0x0007;if(FlagRegs.bit.Sign==1) cap2=7-cap2;else cap2=cap2;if(EvbRegs.EVBIFRC.bit.CAP4INT==1){cap_a=EvbRegs.CAP4FIFO;EvbRegs.EVBIFRC.bit.CAP4INT=1;}else if(EvbRegs.EVBIFRC.bit.CAP5INT==1){cap_a=EvbRegs.CAP5FIFO;EvbRegs.EVBIFRC.bit.CAP5INT=1;}else if(EvbRegs.EVBIFRC.bit.CAP6INT==1)cap_a=EvbRegs.CAP6FIFO;EvbRegs.EVBIFRC.bit.CAP6INT=1;}cap_c=cap_a-cap_b;if(cap_c<0) cap_c=cap_c+0xffff;cap_b=cap_a;GpioMuxRegs.GPBMUX.bit.CAP4Q1_GPIOB8=1; //将cap456设置为CAP口 GpioMuxRegs.GPBMUX.bit.CAP5Q2_GPIOB9=1;GpioMuxRegs.GPBMUX.bit.CAP6QI2_GPIOB10=1;EINT;}InitData(){char i;T_pointer=0; //发送数据数组指针R_pointer=0; //接收数据数组指针a2=0;for(i=0;i<8;i++){Sci_Rx[i]=0;Sci_Tx[i]=0;cap1=0; //前次换向标志位cap2=0; //本次换向标志位intruptcount=0; //定时器1下溢中断次数Idc_given2=0; //算得本次电流给定值speed_e1=0; //前次转速误差speed_e2=0; //本次转速误差Ia_e1=0; //前次电流误差Ia_e2=0; //本次电流误差t2over=0;t2first=0;COMP2=0; //装比较寄存器值speed_counter=0; //速度环计数器cap_a=0;cap_b=0;cap_c=0;for(i=0;i<10;i++){BLDC_SPD[i]=0;}}/////////////////////////////////////////////////////////////////////// // BLDC.c 程序结束////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // 文件名: DSP28_Ev.c// 意义: DSP28 EV初始化/////////////////////////////////////////////////////////////////////// #include "DSP28_Device.h"void InitEv(void){//定时器T1初始化EvaRegs.T1PR =7500; //周期寄存器 5khzEvaRegs.T1CON.all = 0X080C; //连续增减计数EvaRegs.CMPR1=0; //比较寄存器初始化EvaRegs.CMPR2=0;EvaRegs.CMPR3=0;EvaRegs.ACTR.all=0X0FFF; //6PWM强制高CONA.all=0X8A00; //比较寄存器T1下溢重载CONA.bit.ACTRLD=2; //方式控制寄存器立即重载EvaRegs.DBTCONA.all=0X0FF4; //死区3.2usEvaRegs.T1CNT=0;EvaRegs.EVAIMRA.all=0X0200; //T1下溢使能EvaRegs.EVAIFRA.all=0X0FFFF; //清中断标志位//定时器T4初始化EvbRegs.T4PR = 60000; // 周期寄存器EvbRegs.T4CON.all = 0X0F0C; // 连续增减计数EvbRegs.EVBIMRB.all=0X0000; // T4中断不使能EvbRegs.EVBIFRB.all=0X0FFFF; // 清中断标志位}/////////////////////////////////////////////////////////////////////// // DSP28_Ev.c结束/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // 文件名: DSP28_Sci.c// 意义: DSP28 SCI 初始化//////////////////////////////////////////////////////////////////////// #include "DSP28_Device.h"unsigned int * UART_MODE = (unsigned int *) 0x4010;void InitSci(void){// Initialize SCI-A:*UART_MODE = 0x44;EALLOW;GpioMuxRegs.GPFMUX.all = 0x0030;EDIS;SciaRegs.SCICCR.all = 0x07; //8位，无校验SciaRegs.SCICTL1.all = 0x03; //软件复位发送接收使能SciaRegs.SCIHBAUD = 0x01; //波特率9600B/S SciaRegs.SCILBAUD = 0x0E7;SciaRegs.SCICTL1.all = 0x23; //清除软件复位发送接收使能}//发送准备好int SciaTx_Ready(void){unsigned int i;if(SciaRegs.SCICTL2.bit.TXRDY == 1){i = 1;}else{i = 0;}return(i);}//接收准备好int SciaRx_Ready(void){unsigned int i;if(SciaRegs.SCIRXST.bit.RXRDY == 1){i = 1;}else{i = 0;}return(i);}///////////////////////////////////////////////////////////////////////////DSP28_Sci.c结束///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// /// 文件名: DSP28_SysCtrl.c// 意义: DSP28 系统控制寄存器初始化//////////////////////////////////////////////////////////////////////////// #include "DSP28_Device.h"void InitSysCtrl(void){Uint16 i;EALLOW;DevEmuRegs.M0RAMDFT = 0x0300;DevEmuRegs.M1RAMDFT = 0x0300;DevEmuRegs.L0RAMDFT = 0x0300;DevEmuRegs.L1RAMDFT = 0x0300;DevEmuRegs.H0RAMDFT = 0x0300;// Disable watchdog moduleSysCtrlRegs.WDCR= 0x0068;// Initalize PLLSysCtrlRegs.PLLCR = 0xA; //CLKIN=150M// Wait for PLL to lockfor(i= 0; i< 5000; i++){}// HISPCP/LOSPCP prescale register settings, normally it will be set to default valuesSysCtrlRegs.HISPCP.all = 0x0001; //高速时钟75MSysCtrlRegs.LOSPCP.all = 0x0002; //低速时钟37.5M// Peripheral clock enables set for the selected peripherals.SysCtrlRegs.PCLKCR.bit.EVAENCLK=1; //使能EVASysCtrlRegs.PCLKCR.bit.EVBENCLK=1; //使能EVBSysCtrlRegs.PCLKCR.bit.SCIENCLKA=1;//使能SCISysCtrlRegs.PCLKCR.bit.ADCENCLK=1; //使能ADC}///////////////////////////////////////////////////////////////////////////DSP28_SysCtrl.c结束//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 文件: DSP28_PieCtrl.c// 意义: DSP28 PIE 控制寄存器初始化///////////////////////////////////////////////////////////////////////// #include "DSP28_Device.h"void InitPieCtrl(void){// Disable PIE:PieCtrl.PIECRTL.bit.ENPIE = 0;// Clear all PIEIER registers:PieCtrl.PIEIER1.all = 0;PieCtrl.PIEIER2.all = 0;PieCtrl.PIEIER3.all = 0;PieCtrl.PIEIER4.all = 0;PieCtrl.PIEIER5.all = 0;PieCtrl.PIEIER6.all = 0;PieCtrl.PIEIER7.all = 0;PieCtrl.PIEIER8.all = 0;PieCtrl.PIEIER9.all = 0;PieCtrl.PIEIER10.all= 0;PieCtrl.PIEIER11.all= 0;PieCtrl.PIEIER12.all= 0;// Clear all PIEIFR registers:PieCtrl.PIEIFR1.all = 0;PieCtrl.PIEIFR2.all = 0;PieCtrl.PIEIFR3.all = 0;PieCtrl.PIEIFR4.all = 0;PieCtrl.PIEIFR5.all = 0;PieCtrl.PIEIFR6.all = 0;PieCtrl.PIEIFR7.all = 0;PieCtrl.PIEIFR8.all = 0;PieCtrl.PIEIFR9.all = 0;PieCtrl.PIEIFR10.all= 0;PieCtrl.PIEIFR11.all= 0;PieCtrl.PIEIFR12.all= 0;// Enable PIE:PieCtrl.PIECRTL.bit.ENPIE = 1;PieCtrl.PIEACK.all = 0xFFFF;}///////////////////////////////////////////////////////////////////////////DSP28_PieCtrl.c结束//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // 文件名: DSP28_PieVect.c// 意义: DSP28 PIE 向量表初始化//////////////////////////////////////////////////////////////////////////// #include "DSP28_Device.h"const struct PIE_VECT_TABLE PieVectTableInit = {PIE_RESERVED, // Reserved spacePIE_RESERVED,PIE_RESERVED,PIE_RESERVED,PIE_RESERVED,PIE_RESERVED,PIE_RESERVED,PIE_RESERVED,PIE_RESERVED,PIE_RESERVED,PIE_RESERVED,PIE_RESERVED,PIE_RESERVED,// Non-Peripheral InterruptsINT13_ISR, // XINT13 or CPU-Timer 1 INT14_ISR, // CPU-Timer2DATALOG_ISR, // Datalogging interrupt RTOSINT_ISR, // RTOS interruptEMUINT_ISR, // Emulation interrupt NMI_ISR, // Non-maskable interrupt ILLEGAL_ISR, // Illegal operation TRAP USER0_ISR, // User Defined trap 0 USER1_ISR, // User Defined trap 1 USER2_ISR, // User Defined trap 2USER3_ISR, // User Defined trap 3 USER4_ISR, // User Defined trap 4 USER5_ISR, // User Defined trap 5 USER6_ISR, // User Defined trap 6 USER7_ISR, // User Defined trap 7 USER8_ISR, // User Defined trap 8 USER9_ISR, // User Defined trap 9 USER10_ISR, // User Defined trap 10 USER11_ISR, // User Defined trap 11 // Group 1 PIE VectorsPDPINTA_ISR, // EV-APDPINTB_ISR, // EV-Brsvd_ISR,XINT1_ISR,XINT2_ISR,ADCINT_ISR, // ADCTINT0_ISR, // Timer 0WAKEINT_ISR, // WD// Group 2 PIE VectorsCMP1INT_ISR, // EV-ACMP2INT_ISR, // EV-ACMP3INT_ISR, // EV-AT1PINT_ISR, // EV-AT1CINT_ISR, // EV-AT1UFINT_ISR, // EV-Arsvd_ISR,// Group 3 PIE Vectors T2PINT_ISR, // EV-A T2CINT_ISR, // EV-A T2UFINT_ISR, // EV-A T2OFINT_ISR, // EV-A CAPINT1_ISR, // EV-A CAPINT2_ISR, // EV-A CAPINT3_ISR, // EV-A rsvd_ISR,// Group 4 PIE Vectors CMP4INT_ISR, // EV-B CMP5INT_ISR, // EV-B CMP6INT_ISR, // EV-B T3PINT_ISR, // EV-B T3CINT_ISR, // EV-B T3UFINT_ISR, // EV-B T3OFINT_ISR, // EV-B rsvd_ISR,// Group 5 PIE Vectors T4PINT_ISR, // EV-B T4CINT_ISR, // EV-B T4UFINT_ISR, // EV-B T4OFINT_ISR, // EV-BCAPINT5_ISR, // EV-B CAPINT6_ISR, // EV-B rsvd_ISR,// Group 6 PIE Vectors SPIRXINTA_ISR, // SPI-A SPITXINTA_ISR, // SPI-A rsvd_ISR,rsvd_ISR,MRINTA_ISR, // McBSP-A MXINTA_ISR, // McBSP-A rsvd_ISR,rsvd_ISR,// Group 7 PIE Vectors rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,// Group 8 PIE Vectors rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,// Group 9 PIE Vectors SCIRXINTA_ISR, // SCI-A SCITXINTA_ISR, // SCI-A SCIRXINTB_ISR, // SCI-B SCITXINTB_ISR, // SCI-B ECAN0INTA_ISR, // eCAN ECAN1INTA_ISR, // eCANrsvd_ISR,rsvd_ISR,// Group 10 PIE Vectors rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,// Group 11 PIE Vectorsrsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,// Group 12 PIE Vectorsrsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,rsvd_ISR,};void InitPieVectTable(void){int16 i;Uint32 *Source = (void *) &PieVectTableInit;Uint32 *Dest = (void *) &PieVectTable;EALLOW;for(i=0; i < 128; i++)*Dest++ = *Source++;EDIS;// Enable the PIE Vector TablePieCtrl.PIECRTL.bit.ENPIE = 1;}///////////////////////////////////////////////////////////////////////// //DSP28_PieVect.c结束////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // 文件名: DSP28_Gpio.c// 意义: 初始化I/O///////////////////////////////////////////////////////////////////////// #include "DSP28_Device.h"void InitGpio(void){EALLOW;// Set GPIO A port pins, enable 6PWMGpioMuxRegs.GPAMUX.all=0x033F; // EVA PWM 1-6GpioMuxRegs.GPADIR.all=0xFF3F;GpioDataRegs.GPASET.bit.GPIOA11=1;GpioDataRegs.GPASET.bit.GPIOA14=1;//set GPIO F port pins,enable SCI for the communication with computer GpioMuxRegs.GPFMUX.bit.SCIRXDA_GPIOF5=1; //SCI_COMPUTER_RX GpioMuxRegs.GPFMUX.bit.SCITXDA_GPIOF4=1; //SCI_COMPUTER_TX//set GPIO B port pins,enable CAP for the BLDCGpioMuxRegs.GPBMUX.bit.CAP4Q1_GPIOB8=1; //CAP4_CAPTURE MODE GpioMuxRegs.GPBMUX.bit.CAP5Q2_GPIOB9=1; //CAP5_CAPTURE MODE GpioMuxRegs.GPBMUX.bit.CAP6QI2_GPIOB10=1; //CAP6_CAPTURE MODE GpioMuxRegs.GPBDIR.bit.GPIOB8=0; //INPUT MODEGpioMuxRegs.GPBDIR.bit.GPIOB9=0; //INPUT MODEGpioMuxRegs.GPBDIR.bit.GPIOB10=0; //INPUT MODEEDIS;}///////////////////////////////////////////////////////////////////////// //DSP28_Gpio.c结束/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // 文件名: DSP28_Adc.c// 意义: DSP28 ADC 初始化////////////////////////////////////////////////////////////////////////// #include "DSP28_Device.h"。