};
struct TIMER_STRUCT
{
unsigned int Interval;
unsigned char Enable;
};
struct TIMER_STRUCT Timer1S;
struct CAPTURE_STRUCT
{
unsigned char Flag;
unsigned char Pointer;
unsigned int LowData;
unsigned char HighData;
};
struct CAPTURE_STRUCT MyTMR1;
unsigned char High_TMR1;
struct LED_STRUCT
{
unsigned char DotPointer;
unsigned char ScanPointer;
unsigned char Buffer［8］;
};
struct LED_STRUCT NumberLED;
void PIC18F_High_isr （void）;
void PIC18F_Low_isr （void）;
#pragma code high_vector_section=0x8
void high_vector （void）
{
_asm goto PIC18F_High_isr _endasm
}
#pragma code low_vector_section=0x18
void low_vector （void）
{
_asm goto PIC18F_Low_isr _endasm
}
#pragma code
//---中断高优先级---//
#pragma interrupt PIC18F_High_isr
void PIC18F_High_isr （void）
{
if（TRUE==PIR1bits.TMR1IF）
{
PIR1bits.TMR1IF=FALSE;
High_TMR1++;
}
if（TRUE==PIR1bits.CCP1IF）
{
PIR1bits.CCP1IF=FALSE;
if（FALSE==MyTMR1.Flag）
{
if（0==MyTMR1.Pointer）
{
MyTMR1.Pointer++;
TMR1L=0;
TMR1H=0;
High_TMR1=0;
T1CONbits.TMR1ON=TRUE;
}
else
{
MyTMR1.Pointer=0;
T1CONbits.TMR1ON=FALSE;
MyTMR1.LowData=CCPR1H;
MyTMR1.LowData《《=8;
MyTMR1.LowData|=CCPR1L;
MyTMR1.HighData=High_TMR1;
MyTMR1.Flag=TRUE;
}
}
}
}
//---中断低优先级---//
#pragma interruptlow PIC18F_Low_isr
void PIC18F_Low_isr （void）
{
if（TRUE==PIR2bits.TMR3IF）
{
PIR2bits.TMR3IF=FALSE;
TMR3H=（65536-11962）/256;
TMR3L=（65536-11962）%256;
if（FALSE==Timer1S.Enable）
{
Timer1S.Interval++;
if（250==Timer1S.Interval）
{
Timer1S.Interval=0;
Timer1S.Enable=TRUE;
}
}
if（LOW==LATAbits.LATA0）LATAbits.LATA0=HIGH;
else LATAbits.LATA0=LOW;
LATD=LEDDATA［NumberLED.Buffer［NumberLED.ScanPointer］］;
if（NumberLED.ScanPointer==NumberLED.DotPointer）LATD|=0x80;
LATE=NumberLED.ScanPointer;
NumberLED.ScanPointer++;
if（NumberLED.ScanPointer==sizeof（NumberLED.Buffer））
NumberLED.ScanPointer=0;
}
}
void main（void）
{
unsigned char i;
unsigned long temp;
float calctemp;
for（i=0;i NumberLED.ScanPointer=0;
NumberLED.DotPointer=0;
MyTMR1.Pointer=0;
MyTMR1.Flag=FALSE;
MyTMR1.HighData=0;
MyTMR1.LowData=0;
High_TMR1=0;
Timer1S.Interval=0;
Timer1S.Enable=FALSE;
TRISAbits.TRISA0=0;
LATAbits.LATA0=0;
TRISD=0;
LATD=0;
TRISE=0;
LATE=0;
TRISCbits.TRISC0=0;
LATCbits.LATC0=1;
