PWM.rar_STC12C5604AD PWM

#include "config.h" u8 EIFlag=0; u16 counter; u16 countertatle; u8 PWM16flag; #define EIFUCTION 1 #define TIMERFUCTION 1 //u8 senddata[RECEIVEBUFLEN]; //u8 receivedata[RECEIVEBUFLEN]; //u8 i; void PCA_USE_EI_TEST(void) { u8 senddata[RECEIVEBUFLEN]; u8 i; for(i=0;i<RECEIVEBUFLEN;i++) { senddata[i]=i*8; } PCA_EI_Init(); while(1) { if(EIFlag) { SendDataBytes(senddata, RECEIVEBUFLEN); EIFlag=0; } mdelay(10); } } void PCA_USE_Timer_TEST(void) { //u8 senddata[RECEIVEBUFLEN]; u8 i=0; //PCA_Timer_Init(); //for(i=0;i<RECEIVEBUFLEN;i++) //{ // senddata[i]=i*8; //} //SendOneDataByte(0XA5); //while(1) { PWMJudge(); //SendOneDataByte(CCAP0H); //SendOneDataByte(CCAP0L); //SendOneDataByte(counter>>8); //SendOneDataByte(counter); //mdelay(10); //if(EIFlag>60) { //SendOneDataByte(CCAP0H); //SendOneDataByte(CCAP0L); //i++; //SendOneDataByte(i); //SendOneDataByte(CCAPM0); //SendDataBytes(senddata, 4); //EIFlag=0; //CL=0;//清PCA //CH=0; //CCAP0H=0X00; //CCAP0L=0X60;//预设CCAP0，计数时CH,CL=CCAP0时，中断 } //if(EIFlag==2) { //SendOneDataByte(0x99); //EIFlag=0; } WDT_CONTR=0X3F; mdelay(100); } } void PCA_USE_PWM_TEST(void) { u8 receivedata[RECEIVEBUFLEN]; u8 senddata[RECEIVEBUFLEN]; u8 i; PCA_PWM_Init(); for(i=0;i<RECEIVEBUFLEN;i++) { senddata[i]=i*8; } while(1) { if(UART1Receive.ReceiveDataLen>3) if(GetDataFromUART1Buffer(receivedata,UART1Receive.ReceiveDataLen)) { if((receivedata[0]==0x5a)&&(receivedata[3]==0xa5)) { i=receivedata[0]+receivedata[1]; //SendDataBytes(receivedata,4); if(receivedata[2]==i) { CCAP0H=receivedata[1]; SendDataBytes(senddata, 4); } else { SendOneDataByte(receivedata[0]+receivedata[1]); } } } //mdelay(10); } } //PCA用于外部中断初始化 void PCA_EI_Init(void) { CMOD=0X82;//PCA空闲不计数，用时钟源F/1，(0x80)为F/12 CCON=0x00;//因为用PCA做外部中断，因此这里不用定时器，标志位都清0 //应该是:用到PCA功能都要开启PCA定时器，虽然这里用于外部中断 //PWM用不着匹配/捕获(同一个CCFx)，定时器要匹配，外部中断用捕获 //CCAPM0=0X11;//设置CCAPM0下降沿触发(捕获输入，看外围电路平时为高中，断为低)， //CCAPM0.0=1使能CCON.0(对应CCF0)中断，当外部触发时，硬件能使CCF0值1 //CCAPM0=p3.7 ,CCAPM1=P3.5, CCAPM2=P2.0, CCAPM3=P2.4 //CCAPMx配置为几个固定用法，可参考相关资料表格 CCAPM1=0x11;//pca1启动外部中断捕获 CL=0; CH=0;//清除PCA计数器,外部中断不用 EA=1;//总中断开启 EPCA_LVD=1;//开启PCA_LVD中断，包括PCA定时器，PCA外部中断，和PWM CR=1;//开启PCA时钟。ccon.6 } void PCA_Timer_Init(void) { P3M0&=0x7f; P3M1|=0x80; CMOD=0X80; CCON=0x00; CCAPM0=0x49; PWM16flag=0; CL=0;//清PCA CH=0; countertatle=PRECOUNTERTOTLE; counter=PRECOUNTER; CCAP0H=(counter>>8);//预定时0x0080 CCAP0L=counter;//预设CCAP0，计数时CH,CL=CCAP0时，中断 //SendOneDataByte(CCAP0H); //SendOneDataByte(CCAP0L); EA=1;//总中断开启 EPCA_LVD=1;//开启PCA_LVD中断，包括PCA定时器，PCA外部中断，和PWM CR=1;//开启PCA时钟。ccon.6 } // void PCA_PWM_Init(void) { CMOD=0X02;//空闲计数，时钟源为f/2 //CCON=0x00;//PWM用不着匹配/捕获(同一个CCFx)，定时器要匹配，外部中断用捕获 CCAPM0=0x42; CL=0;//清PCA CH=0; CCAP0H=0X7f; CCAP0L=0X7f;//预设CCAP0，CL:0~CCAP0L,OUTPUT LOW; CL:CCAP0L~FF,OUTPUT HIGH; //when CL=oxff,hard will do:CCAP0L=CCAP0H //EA=1;//总中断开启 //EPCA_LVD=1;//开启PCA_LVD中断，包括PCA定时器，PCA外部中断，和PWM CR=1;//开启PCA时钟。ccon.6 } //void PCA_Interrupt()interrupt 6 void PCA_Interrupt()interrupt 6 { /////////////////////////////////////////////////////////////////////////////////////// //PCA用于外部中断 /////////////////////////////////////////////////////////////////////////////////////// /* if(CCF0) { EIFlag=1; CCF0=0; } if(CCF1) { EIFlag=1; CCF1=0; } */ /////////////////////////////////////////////////////////////////////////////////////// //PCA用于定时器 /////////////////////////////////////////////////////////////////////////////////////// if(CCF0) { //EIFlag++; //counter+=PRECOUNTER; if(PWM16flag==0) { CEX0=0; PWM16flag=1; CCAP0H=(PRECOUNTERTOTLE>>8);//预定时0x0080 CCAP0L=PRECOUNTERTOTLE;//预设CCAP0，计数时CH,CL=CCAP0时，中断 CCAPM0=0x49;//不知道为什么，经过中断之后CCAPM0变成了0X09，这里特意定义为0X49 CCF0=0; } else if(PWM16flag==1) { CEX0=1; PWM16flag=0; CCAP0H=(counter>>8);//预定时0x0080 CCAP0L=counter;//预设CCAP0，计数时CH,CL=CCAP0时，中断 CL=0;//清PCA CH=0; CCAPM0=0x49;//不知道为什么，经过中断之后CCAPM0变成了0X09，这里特意定义为0X49 CCF0=0; } } //if(CF) //{ // EIFlag=2; // CF=0; //} //if(CCF1) //{ // EIFlag=1; // counter+=PRECOUNTER; // CCAP0H=(counter>>8);//预定时0x0080 // CCAP0L=counter;//预设CCAP0，计数时CH,CL=CCAP0时，中断 // CCF1=0; //} /**/ } void PWMJudge(void) { u8 receivebuf[32]={0x11,0x55,0x2f,0x08,0x02,0x05,0x10,0x05,0x00,0x00,0x00};//={0x00, 0x55, 0xBA, 0x02, 0x02, 0x00, 0x00, 0x00}; u16 temp; if(UART1Receive.ReceiveDataLen>=8) { GetDataFromUART1Buffer(receivebuf, 1); if(receivebuf[0]==0xaa) { GetDataFromUART1Buffer(receivebuf+1, 7); temp=CRC16(receivebuf,6); if((receivebuf[6]==(u8)(temp>>8))&&(receivebuf[7]==(u8)(temp))) { CCAPM0&=(~0x40); counter=((u16)(receivebuf[1])<<8)+(u16)receivebuf[2]; SendDataBytes(receivebuf,10); mdelay(4); CCAPM0|=0x40; } } } }