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Re: 100ms中断中做两层循环实现较长定时
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新會員
 
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good idea
thank you very much
發表於: 2008/5/10 11:14
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Re: 100ms中断中做两层循环实现较长定时
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中級會員
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要小改一下...
;timer1 interrupt serve routine ；这个中断每100ms进入一次 ; PUSH SP,保护现场，省略 ;RELOAD TIMER ,省略 DECFSZ CYCLEA,1 GOTO OUTSIDE
MOVLW CYCLEA_INIT ;RELOAD CYCLEA
DECFSZ CYCLEB,1 GOTO OUTSIDE
MOVLW CYCLEB_INIT ;RELOAD CYCLEB
;執行至此, 大致上為 CYCLEA*CYCLEB*100ms ;OUTSIDE 是restore SP的routine
發表於: 2008/4/18 20:58
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100ms中断中做两层循环实现较长定时
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新會員
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;timer1 interrupt serve routine ；这个中断每100ms进入一次 ; PUSH SP,保护现场，省略 ;RELOAD TIMER ,省略 DECFSZ CYCLEA,1 GOTO OUTSIDE DECFSZ CYCLEB,1 GOTO OUTSIDE ;OUTSIDE 是restore SP的routine 这样能实现 CYCLEA*CYCLEB*100ms的定时吗？
發表於: 2008/4/18 16:21
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