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Re: ICD2 使用問題
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版主
 
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跟測試了一下你的程式，PORTB 的動作是可以的。我是用MPLAB SIM直接看 watch window 裡的 PORTB 變化。
Compiler : HI-TECH C PRO for the PIC10/12/16 MCU family V9.65
發表於: 2009/8/28 16:45
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ICD2 使用問題
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新會員
 
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您好，我使用C寫了一個程式，程式段碼如下：
volatile bit KB_CLK @ ((unsigned)&PORTB*8)+0; volatile bit KB_DATA @ ((unsigned)&PORTB*8)+1; volatile bit CLK_C @ ((unsigned)&TRISB*8)+0; volatile bit DATA_C @ ((unsigned)&TRISB*8)+1; CLK_C = 0 ; DATA_C = 0 ; KB_CLK = 1 ; asm("nop"); KB_DATA = 1 ; asm("nop"); CLK_C = 1 ; CK = 1 ; Delay40uS() ; while(!KB_CLK) ; 理論上我應該能對PORTB的 bit0&1 做I/O動作，可我不管自動執行或單步，都無法得到portB的資料(一直為0x00)。請問這是正常的嘛? 到 while(!KB_CLK) 這行就停住了(我量 portb.0有5V，且trisb慶定為input status)
發表於: 2009/8/28 11:19
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