#include "STC15F2K60S2.H"

void CCP_PWMInit(void)	//³õʼ»¯PCA£¨Programmable Counter Array£©Ä£¿é×÷ΪPWMÊä³ö
{
	CCON = 0;           //PCA¿ØÖƼĴæÆ÷³õʼ»¯(xx-- -xxx£¬0000 0000£º¶¼ÊÇÇåÁã¾ÍÍêÊÂÁË)
	CMOD = 0x02;          //PCA¹¤×÷ģʽ¼Ä´æÆ÷(x--- xxxx£¬0000 0010£ºÏµÍ³Ê±ÖÓ£¬SYSclk/2)
	CL = 0;		    	//PCA¼ÆÊýÆ÷µÍ8λÇåÁã
	CH = 0; 		      	//PCA¼ÆÊýÆ÷¸ß8λÇåÁã
                        
	AUXR1 = 0x00;	    	//¸¨Öú¼Ä´æÆ÷1ÇåÁ㣬³õʼ»¯
	PCA_PWM0 = 0x00;    //PCAµÄPWM¼Ä´æÆ÷(xx-- --xx£¬0000 0000£º¹¤×÷ÓÚ8 bit PWM)
	CCAP0H = 0x80;		//±È½Ï/²¶»ñ¼Ä´æÆ÷0¸ß8λÉèÖÃΪ 0x80£¬±íʾPWM1µÄÖØ×°ÔØÖµµÄ¸ß8λ
	CCAP0L = 0x80;        //±È½Ï/²¶»ñ¼Ä´æÆ÷0µÍ8λÉèÖÃΪ 0x80£¬±íʾPWM1µÄÖØ×°ÔØÖµµÄµÍ8λ
	CCAPM0 = 0x42;       //±È½Ï/²¶»ñ¹¤×÷ģʽ¼Ä´æÆ÷0(-xxx xxxx£¬0100 0010£º±È½ÏÆ÷´ò¿ª£¬CCP0½ÅÓÃ×÷PWMÊä³ö)
	
	AUXR1 = 0x00;
	PCA_PWM1 = 0x00;    
	CCAP1H = 0x80;      //256-x/256 = pulse width
	CCAP1L = 0x80;       
  CCAPM1 = 0x42;      //±È½ÏÆ÷´ò¿ª£¬CCP1½ÅÓÃ×÷PWMÊä³ö
	CR = 1; 				//Æô¶¯PCA¼ÆÊýÆ÷
}

void PWMInit(void)
{
	                    //¸ÃоƬÔöÇ¿ÐÍ PWM Êä³ö¶Ë¿Ú£º1.6 1.7 2.1 2.2 2.3 3.7
	P1M0 &= ~0xc0;		//½« 0011 1111 Óë P1M0 ½øÐÐλÓëÔËË㣬ÇåÁã P1M0 µÄ¸ß2룬½áºÏP1M1£¬P1.6 P1.7Òý½ÅÅäÖøü¸ÄΪ׼˫Ïò¿Ú£¬ÆäËû½Å¿ªÂ©
  //P1M0 &=  0x3f  
	P1M1 &= ~0xc0;		//P1M1_P1M0״̬(ͬһλÖÃÁ½¸ö¼Ä´æÆ÷µÄÊýÖµ×éºÏ)£º00£º×¼Ë«Ïò£»01£ºÍÆÍ죻10£º¸ß×裻11£º¿ªÂ©
    P1   &= ~0xc0;      //resetP1.6/.P1.7
    P2M0 &= ~0x0e;		//1111 0001
    P2M1 &= ~0x0e;					 
    P2   &= ~0x0e;                   
    P3M0 &= ~0x80;		//0111 1111
    P3M1 &= ~0x80;
    P3   &= ~0x80;                   
	
	P_SW2 |= 0x80;      //ʹÄÜ·ÃÎÊXSFR
    PWMCFG = 0x3f;      //ÅäÖÃPWMµÄ³õʼµçƽΪ high
    PWMCKS = 0x00;      //Ñ¡ÔñPWMµÄʱÖÓFosc/(0+1) 22118400/1024=21.6k	
	 //PWMCKS = 0x07;   //Ñ¡ÔñPWMµÄʱÖÓFosc/(8)   22118400/1000/8=2.76k
    PWMC = CYCLE;       //ÉèÖÃPWMµÄÖÜÆÚ
	
	//-----PWM2--------------------------------
    PWM2T1 = 0x0001;                //ÉèÖÃPWMµÚ1´Î·­×ªµÄPWM¼ÆÊý
    PWM2T2 = CYCLE * 2L / 100;      //ÉèÖÃPWMµÚ2´Î·­×ªµÄPWM¼ÆÊý
                                    //Õ¼¿Õ±È(PWM2T2-PWM2T1)/PWMC
    PWM2CR = 0x00;                  //Ñ¡ÔñPWM2Êä³öµ½P3.7,²»Ê¹ÄÜPWM2ÖжÏ
	//-------PWM3-----------------------------
	PWM3T1 = 0x0001;                //ÉèÖÃPWMµÚ1´Î·­×ªµÄPWM¼ÆÊý
    PWM3T2 = CYCLE * 2L / 100;      //ÉèÖÃPWMµÚ2´Î·­×ªµÄPWM¼ÆÊý
                                    //Õ¼¿Õ±È(PWM2T2-PWM2T1)/PWMC
    PWM3CR = 0x00;                  //Ñ¡ÔñPWM2Êä³öµ½P2.1,²»Ê¹ÄÜPWM2ÖжÏ
	//--------pwm4----------------------------------
	PWM4T1 = 0x0001;                //ÉèÖÃPWMµÚ1´Î·­×ªµÄPWM¼ÆÊý
    PWM4T2 = CYCLE * 2L / 100;      //ÉèÖÃPWMµÚ2´Î·­×ªµÄPWM¼ÆÊý
                                    //Õ¼¿Õ±È(PWM2T2-PWM2T1)/PWMC
    PWM4CR = 0x00;                  //Ñ¡ÔñPWM2Êä³öµ½P2.2,²»Ê¹ÄÜPWM2ÖжÏ
	//--------pwm5----------------------------------
	PWM5T1 = 0x0001;                //ÉèÖÃPWMµÚ1´Î·­×ªµÄPWM¼ÆÊý
    PWM5T2 = CYCLE * 2L / 100;      //ÉèÖÃPWMµÚ2´Î·­×ªµÄPWM¼ÆÊý
                                    //Õ¼¿Õ±È(PWM2T2-PWM2T1)/PWMC
    PWM5CR = 0x00;                  //Ñ¡ÔñPWM2Êä³öµ½P2.3,²»Ê¹ÄÜPWM2ÖжÏ
		//--------pwm6----------------------------------
	PWM6T1 = 0x0001;                //ÉèÖÃPWMµÚ1´Î·­×ªµÄPWM¼ÆÊý
    PWM6T2 = CYCLE * 2L / 100;      //ÉèÖÃPWMµÚ2´Î·­×ªµÄPWM¼ÆÊý
                                    //Õ¼¿Õ±È(PWM2T2-PWM2T1)/PWMC
    PWM6CR = 0x00;                  //Ñ¡ÔñPWM2Êä³öµ½P1.6,²»Ê¹ÄÜPWM2ÖжÏ
		
		//--------pwm7----------------------------------
	PWM7T1 = 0x0001;                //ÉèÖÃPWMµÚ1´Î·­×ªµÄPWM¼ÆÊý
    PWM7T2 = CYCLE * 2L / 100;      //ÉèÖÃPWMµÚ2´Î·­×ªµÄPWM¼ÆÊý
                                    //Õ¼¿Õ±È(PWM2T2-PWM2T1)/PWMC
    PWM7CR = 0x00;                  //Ñ¡ÔñPWM2Êä³öµ½P1.7,²»Ê¹ÄÜPWM2ÖжÏ
		
    PWMCR = 0x3f;                   //ʹÄÜPWM2.3.4.5.6.7,6·ÐźÅÊä³ö
    PWMCR |= 0x80;                  //ʹÄÜPWMÄ£¿é
		//PWMCR |= 0x40;            //ʹÄÜPWM¹éÁãÖжÏ
    P_SW2 &= ~0x80;
}
//----------pwm2/3/4/5-------------------------------------------------------------------
void pwm2( unsigned short Wide)           //PWM2
{   
        if((Wide==0)||(Wide==1))
        {
		P_SW2 |= 0x80;	          //ÉèÖø¨Öú¼Ä´æÆ÷2µÄλ7Ϊ1£¬½«PWM2Òý½ÅÇл»µ½P1.3
        PWMCR &=~0x01;			  //PWM¿ØÖƼĴæÆ÷µÄλ0ÇåÁ㣬¼´½ûÓÃPWM2
        PWM2=1; 				  //PWM¿ØÖƼĴæÆ÷µÄλ0ÇåÁ㣬¼´½ûÓÃPWM2
		P_SW2 &=~0x80; 	          //Çå³ý¸¨Öú¼Ä´æÆ÷2µÄλ7£¬½«PWM2Òý½ÅÇл»»ØÔ­À´µÄλÖÃ
        }
        else if (Wide==CYCLE)
        {
        PWMCR &=~0x01;			  //PWM¿ØÖƼĴæÆ÷µÄλ0ÇåÁ㣬¼´½ûÓÃPWM2
        PWM2=0; 				  //PWM2Òý½ÅÖÃΪµÍµçƽ
        }
        else
        {
       P_SW2 |= 0x80;             //ÉèÖø¨Öú¼Ä´æÆ÷2µÄλ7Ϊ1£¬½«PWM2Òý½ÅÇл»µ½P1.3     
       PWM2T1 = 0x01;             //PWM2¶¨Ê±Æ÷1¼Ä´æÆ÷µÄÖµÉèÖÃΪ0x01   
       PWM2T2 = Wide;             //PWM2¶¨Ê±Æ÷2¼Ä´æÆ÷µÄÖµÉèÖÃΪ Wide         
       PWMCR |= 0x01; 			  //PWM¿ØÖƼĴæÆ÷µÄλ0ÖÃΪ1£¬¼´ÆôÓÃPWM2
       P_SW2 &=~0x80;			  //Çå³ý¸¨Öú¼Ä´æÆ÷2µÄλ7£¬½«PWM2Òý½ÅÇл»»ØÔ­À´µÄλÖÃ	

        }

}
void pwm3(unsigned short Wide)                  //PWM3
{         
        if((Wide==0)||(Wide==1))
        {
        P_SW2 |= 0x80; 
        PWMCR &=~0x02;
        PWM3=1; 					
        P_SW2 &=~0x80;                 
					
        }
        else if(Wide==CYCLE)
        {
        PWMCR &=~0x02;
        PWM3=0; 
        }        
        else
        { 
        P_SW2 |= 0x80; 
       PWMCFG = 0x3f;                  //ÅäÖÃPWMµÄ³õʼµçƽΪ high					
       PWM3T1 =0x01 ;                
       PWM3T2 =Wide;                                     
       P_SW2 &=~0x80;                 
       PWMCR |= 0x02;                   

        }        
}
void pwm4(unsigned short  Wide)                  //PWM4
{         
         if((Wide==0)||(Wide==1))
        {
				P_SW2 |= 0x80;
        PWMCR &=~0x04;
        PWM4=1; 
				P_SW2 &=~0x80;	
        }
        else if (Wide==CYCLE)
        {
        PWMCR &=~0x04;
        PWM4=0; 
        }
        else
        {         
       P_SW2 |= 0x80;                 
       PWM4T1 = 0x01;               
       PWM4T2 = Wide;                                
       P_SW2 &=~0x80;                  
       PWMCR |= 0x04;                   

        }
}
void pwm5(unsigned short  Wide)                  //PWM5
{         
         if((Wide==0)||(Wide==1))
        {
				P_SW2 |= 0x80; 	
        PWMCR &=~0x08;
				PWM5=1; 
				P_SW2 &=~0x80;	
        
        }
        else if (Wide==CYCLE)
        {
        PWMCR &=~0x08;
        PWM5=0; 
        }
        else
        {         
       P_SW2 |= 0x80;                 
       PWM5T1 = 0x01;               
       PWM5T2 = Wide;                                
       P_SW2 &=~0x80;                  
       PWMCR |= 0x08;  
					
        }
}