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Re: 請問關於Build Options裡Default storage class設定?
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: 2005/10/20 16:39 最後登入時間
: 2006/6/12 17:18
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補充,用了timer0去試也是一樣的結果,好像是全部的timer都不能在中斷裡面正常計數.....
發表於: 2005/11/1 20:00
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請問關於Build Options裡Default storage class設定?
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初級會員
Joined
: 2005/10/20 16:39 最後登入時間
: 2006/6/12 17:18
Group:
註冊會員
Level : 3 HP : 0 / 57 MP : 7 / 3198 EXP : 31
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再問一次,想說是不是我問的不夠清楚@@ 使用PIC18F6520 請問,MPLAB 裡的Build Options中MPLAB C18->Default storage class選項是做什麼用的?下面程式如果選Auto就正常,在testcan腳位可以量出一個週期200us的方波可是選Static在中斷之後time3就不能在中斷裡面正常計數?可是又還是會有中斷的產生,這是為什麼?
#define testcan PORTGbits.RG0 void High_INT_VEC (void); void High_INT_SER (void); void delay(int s)//設延遲時間為0.1ms { int k=0; for(k;k<s;k++) { while(1)if (PIR2bits.TMR3IF==1)break; PIR2bits.TMR3IF=0; TMR3H = (65536-737)/256; TMR3L = (65536-737)%256; } } //---------------------------------------------------------------- #pragma code High_Interrupt_Vector=0x08 void High_INT_VEC (void) { _asm gotoHigh_INT_SER _endasm } #pragma code //---------------------------------------------------------------- #pragma interrupt High_INT_SER void High_INT_SER (void) { //-------------------------延遲100us------------------------------------- TMR3H = (65536-737)/256; TMR3L = (65536-737)%256; PIR2bits.TMR3IF=0;
//------------------------測量腳------------------------ while(1) { testcan=~testcan delay(1); } //---------------------------------------------------------------- //------------------------結束前重置計數器------------------------
TMR3H = (65536-7373)/256; TMR3L = (65536-7373)%256; PIR2bits.TMR3IF=0; }
void main() {
ADCON1 = 0x0F; CMCON=0x07; TRISFbits.TRISF3=1; TRISGbits.TRISG0=0; PIE2bits.TMR3IE = 1; PIR2bits.TMR3IF=0; IPR2bits.TMR3IP = 1; INTCONbits.PEIE = 1; INTCONbits.GIEH = 1; //---------------------設定取樣時間(利用計數器)1ms------------- T3CON = 0xCD; TMR3H = (65536-7373)/256; TMR3L = (65536-7373)%256;
//------------------------------------------------------------ while(1) { if(savered!=0) { while(1) { INTCONbits.TMR0IF=0; } } }
}
發表於: 2005/11/1 18:52
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