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Re: RTCC 的 alarm
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版主
 
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RTCC 中斷定義在 GLD檔裡為 :
LONG( DEFINED(__RTCCInterrupt) ? ABSOLUTE(__RTCCInterrupt) : ABSOLUTE(__DefaultInterrupt)); 可以參考一下 204 ADV 裡的 RTCC 教材與練習。 http://www.microchip.com.tw/modules/w ... glefile.php?cid=4&lid=235
發表於: 2009/3/16 18:04
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Re: RTCC 的 alarm
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中級會員
 
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自己推~
發表於: 2009/3/16 14:16
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RTCC 的 alarm
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中級會員
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大家好,
我使用 PIC24FJ256GB110 晶片, 我看到 datasheet 裡寫到以下"外部" Alarm Interrupt 敘述. 但我沒看到他寫內部中斷是怎回事, 中斷向量值又是多少? Handler 是什麼? [19.3.2 ALARM INTERRUPT] At every alarm event, an interrupt is generated. In addition,an alarm pulse output is provided that operates at half the frequency of the alarm. This output is completely synchronous to the RTCC clock and can be used as a trigger clock to other peripherals. 我想請問的是, 當 alarm interrupt 啟動時, 在軟體這邊我要如何攔截? 它是產生中斷嗎? 向量值是多少呢? void __attribute__((interrupt, shadow, auto_psv)) _xxxxxx(void) <--- xxxxx handler 是什麼? 謝謝
發表於: 2009/3/13 19:22
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