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Re: mplab 7.31 mplab sim dspic2010-mcpwm
#2
版主
版主


查看用戶資訊
檢查看看 PTCON <PTEN> 是否有 Enable PWM?

底下程式為設定 Motor PWM register 的範例僅供參考

void Init_MCPWM(void)
{
    
unsigned int config;
    
unsigned int period;
    
unsigned int sptime;
    
unsigned int config1;
    
unsigned int config2;
    
unsigned int config3;
    
unsigned int dutycyclereg;
    
unsigned int dutycycle;
    
unsigned char updatedisable;

    
/* Configure pwm interrupt enable/disable and set interrupt priorties */
    
config = (PWM_INT_DIS PWM_FLTA_DIS_INT PWM_INT_PR1
            
PWM_FLTA_INT_PR0);
    
ConfigIntMCPWMconfig );

    
/* Configure PWM to generate square wave of 50% duty cycle */
    
dutycyclereg 1;
    
dutycycle 0x3FFF;
    
updatedisable 0;
    
SetDCMCPWM(dutycyclereg,dutycycle,updatedisable);
    
period 0x7fff;
    
sptime 0x0;

    
config1 = (PWM_EN PWM_IDLE_STOP PWM_OP_SCALE16
        
PWM_IPCLK_SCALE64 &
        
PWM_MOD_UPDN);
    
config2 = (PWM_MOD1_COMP &
        
PWM_PDIS3H PWM_PDIS2H PWM_PEN1H 
        
PWM_PDIS3L PWM_PDIS2L PWM_PEN1L);
    
config3 = (PWM_SEVOPS1 PWM_OSYNC_PWM PWM_UEN);

    
OpenMCPWM(period,sptime,config1,config2,config3);
}

發表於: 2006/4/4 14:22
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mplab 7.31 mplab sim dspic2010-mcpwm
#1
新會員
新會員


查看用戶資訊
when sim the dspic2010 mcpwm ,PTPER PDC1 could not to set vlaue,why?

PTPER = 0x55;
PDC1 = 0x20;

the Watch Window, PDC1 always is 0x00.

thanks!

發表於: 2006/4/4 13:18
Twitter Facebook Google Plus Linkedin Del.icio.us Digg Reddit Mr. Wong 頂部







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