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Re: 請問關於Build Options裡Default storage class設定?
#2
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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?
#1
初級會員
初級會員


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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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