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Re: 18f452與18f4550之中斷用法
#2
資深會員
資深會員


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加一行
#pragma config PBADEN=OFF

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發表於: 2007/11/13 17:32
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18f452與18f4550之中斷用法
#1
新會員
新會員


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請問我用452的int0~int2都能夠動作,但是換上4550之後,並將include改成4550且lkr也是用4550,程式寫法完全一樣但是4550的int0~int2卻完全不動作,請各位先進能幫小弟我解決問題嗎?謝謝。以下是我的程式:
void int_isr(void)
{
if(INTCONbits.INT0IF==1)
{
INTCONbits.INT0IF=0;
PORTDbits.RD2=0;
set=0;
mode=(mode+1)%3;
switch(mode)
{
case 0:
{
WriteCmdLCD(CLR_DISP);
LCD_Set_Cursor(0,0);
delay();
putrsLCD("High correction");
break;
}
case 1:
{
WriteCmdLCD(CLR_DISP);
LCD_Set_Cursor(0,0);
delay();
putrsLCD("Low correction");
break;
}
case 2:
{
break;
}
default:
break;

}
}
else if(INTCON3bits.INT1IF==1)
{
set=1;
INTCON3bits.INT1IF=0;
}

}


#pragma code low_vector=0x18
void low_interrupt(void)
{
_asm
GOTO int_isr
_endasm
}
#pragma code
#pragma interruptlow int_isr

void main(void)
{
float H,L,count;
init_int();
Initial_AD();
OpenLCD();
INTCONbits.PEIE=1;
INTCONbits.GIE=1;
do
{
if(set==1)
{
switch (mode)
{
case 0:
{
H=C_Hvalue(Adc_Read(1),Adc_Read(2),L_level,H_level);
set=0;
break;
}
case 1:
{
L=C_Lvalue(Adc_Read(1),Adc_Read(2),L_level,H_level);
set=0;
break;
}
case 2:
{
ADCresult=Adc_Read(0);
corrected_value=Twopoint(L,H,ADCresult,first_level,finall_level);
set=0;
break;
}
default:
break;
}

發表於: 2007/11/13 17:20
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