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Re: 中斷總開關(gie)
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版主
 
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一般 GIE & PEIE 都要自己設定以開啟中斷，當然有些中斷函數會將GIE 設為 1，但寫程式時還是自己主動去設比較保險。還有中斷發生時GIE 會自動清為 0 以抑制其他的中斷進入，RETFIE 指令則會重設 GIE 為 1後返回主程式以允許新的中斷發生。
發表於: 2009/6/10 13:20
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中斷總開關(gie)
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新會員
 
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c語言的寫法中...gie = 1 開啟中斷總開關....還有另外的寫法嗎....例如:int(執行這指令後開啟中斷總開關)
發表於: 2009/6/10 10:35
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