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Re: 30F4011..PWM的問題
#2
資深會員
資深會員


查看用戶資訊
void Timer3_Initial()
{
        
ConfigIntTimer3T3_INT_PRIOR_7 T3_INT_OFF ) ;
        
OpenTimer3T3_ON T3_IDLE_STOP T3_GATE_OFF T3_PS_1_64 T3_SOURCE_INT ,
                    (
long)((FCY/64/50)) ) ;
}

void Init_PWM()
{

    
unsigned int Duty_on;
    
unsigned int Duty_off;
    
    
CloseOC1();
    
Duty_on     0x0000;
    
Duty_off 0x0077;
    
ConfigIntOC1(OC_INT_OFF OC_INT_PRIOR_7);
    
OpenOC1(OC_IDLE_CON OC_TIMER3_SRC OC_CONTINUE_PULSE ,Duty_off,Duty_on);

}


在main裡面呼叫上面兩個函式,然後你要的duty寫到OC1RS就可以控制PWM的Duty。
上面原來是控制RC馬達用的,要變更頻率及解析率請翻手冊自己改。

發表於: 2006/11/8 0:55
不要問我哪裡來,我只是個流浪天涯的工程師
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30F4011..PWM的問題
#1
新會員
新會員


查看用戶資訊
請問各位大大,我想用30F4011晶片用C語言寫一個簡單的PWM出來可以教教我嗎??(我有寫過但就是寫不出
幫幫我感恩)

發表於: 2006/11/6 21:00
Twitter Facebook Google Plus Linkedin Del.icio.us Digg Reddit Mr. Wong 頂部







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