这个是我下载的N76E003 的PIN中断例程
#include "N76E003.h"
#include "SFR_Macro.h"
#include "Function_define.h"
#include "Common.h"
#include "Delay.h"
#if 0
//Following setting in Function_define.h
///****************************************************************************
// Enable INT port 0~3
//***************************************************************************/
//#define Enable_INT_Port0 PICON &= 0xFB;
//#define Enable_INT_Port1 PICON |= 0x01;
//#define Enable_INT_Port2 PICON |= 0x02;
//#define Enable_INT_Port3 PICON |= 0x03;
///*****************************************************************************
// Enable each bit low level trig mode
//*****************************************************************************/
//#define Enable_BIT7_LowLevel_Trig PICON&=0x7F;PINEN|=0x80;PIPEN&=0x7F
//#define Enable_BIT6_LowLevel_Trig PICON&=0x7F;PINEN|=0x40;PIPEN&=0xBF
//#define Enable_BIT5_LowLevel_Trig PICON&=0xBF;PINEN|=0x20;PIPEN&=0xDF
//#define Enable_BIT4_LowLevel_Trig PICON&=0xBF;PINEN|=0x10;PIPEN&=0xEF
//#define Enable_BIT3_LowLevel_Trig PICON&=0xDF;PINEN|=0x08;PIPEN&=0xF7
//#define Enable_BIT2_LowLevel_Trig PICON&=0xEF;PINEN|=0x04;PIPEN&=0xFB
//#define Enable_BIT1_LowLevel_Trig PICON&=0xF7;PINEN|=0x02;PIPEN&=0xFD
//#define Enable_BIT0_LowLevel_Trig PICON&=0xFD;PINEN|=0x01;PIPEN&=0xFE
///*****************************************************************************
// Enable each bit high level trig mode
//*****************************************************************************/
//#define Enable_BIT7_HighLevel_Trig PICON&=0x7F;PINEN&=0x7F;PIPEN|=0x80
//#define Enable_BIT6_HighLevel_Trig PICON&=0x7F;PINEN&=0xBF;PIPEN|=0x40
//#define Enable_BIT5_HighLevel_Trig PICON&=0xBF;PINEN&=0xDF;PIPEN|=0x20
//#define Enable_BIT4_HighLevel_Trig PICON&=0xBF;PINEN&=0xEF;PIPEN|=0x10
//#define Enable_BIT3_HighLevel_Trig PICON&=0xDF;PINEN&=0xF7;PIPEN|=0x08
//#define Enable_BIT2_HighLevel_Trig PICON&=0xEF;PINEN&=0xFB;PIPEN|=0x04
//#define Enable_BIT1_HighLevel_Trig PICON&=0xF7;PINEN&=0xFD;PIPEN|=0x02
//#define Enable_BIT0_HighLevel_Trig PICON&=0xFD;PINEN&=0xFE;PIPEN|=0x01
///*****************************************************************************
// Enable each bit falling edge trig mode
//*****************************************************************************/
//#define Enable_BIT7_FallEdge_Trig PICON|=0x80;PINEN|=0x80;PIPEN&=0x7F
//#define Enable_BIT6_FallEdge_Trig PICON|=0x80;PINEN|=0x40;PIPEN&=0xBF
//#define Enable_BIT5_FallEdge_Trig PICON|=0x40;PINEN|=0x20;PIPEN&=0xDF
//#define Enable_BIT4_FallEdge_Trig PICON|=0x40;PINEN|=0x10;PIPEN&=0xEF
//#define Enable_BIT3_FallEdge_Trig PICON|=0x20;PINEN|=0x08;PIPEN&=0xF7
//#define Enable_BIT2_FallEdge_Trig PICON|=0x10;PINEN|=0x04;PIPEN&=0xFB
//#define Enable_BIT1_FallEdge_Trig PICON|=0x08;PINEN|=0x02;PIPEN&=0xFD
//#define Enable_BIT0_FallEdge_Trig PICON|=0x04;PINEN|=0x01;PIPEN&=0xFE
///*****************************************************************************
// Enable each bit rasing edge trig mode
//*****************************************************************************/
//#define Enable_BIT7_RasingEdge_Trig PICON|=0x80;PINEN&=0x7F;PIPEN|=0x80
//#define Enable_BIT6_RasingEdge_Trig PICON|=0x80;PINEN&=0xBF;PIPEN|=0x40
//#define Enable_BIT5_RasingEdge_Trig PICON|=0x40;PINEN&=0xDF;PIPEN|=0x20
//#define Enable_BIT4_RasingEdge_Trig PICON|=0x40;PINEN&=0xEF;PIPEN|=0x10
//#define Enable_BIT3_RasingEdge_Trig PICON|=0x20;PINEN&=0xF7;PIPEN|=0x08
//#define Enable_BIT2_RasingEdge_Trig PICON|=0x10;PINEN&=0xFB;PIPEN|=0x04
//#define Enable_BIT1_RasingEdge_Trig PICON|=0x08;PINEN|=0xFD;PIPEN&=0x02
//#define Enable_BIT0_RasingEdge_Trig PICON|=0x04;PINEN|=0xFE;PIPEN&=0x01
#endif
/******************************************************************************
* FUNCTION_PURPOSE: I/O Pin interrupt Service Routine
******************************************************************************/
void EXT_INT0(void) interrupt 0
{
clr_GPIO1;
Timer0_Delay1ms(100);
set_GPIO1;
Timer0_Delay1ms(100);
clr_GPIO1;
Timer0_Delay1ms(100);
set_GPIO1;
Timer0_Delay1ms(100);
clr_GPIO1;
Timer0_Delay1ms(100);
set_GPIO1;
Timer0_Delay1ms(100);
clr_GPIO1;
Timer0_Delay1ms(100);
set_GPIO1;
Timer0_Delay1ms(100);
clr_GPIO1;
Timer0_Delay1ms(100);
set_GPIO1;
Timer0_Delay1ms(100);
clr_GPIO1;
Timer0_Delay1ms(100);
set_GPIO1;
Timer0_Delay1ms(100);
clr_GPIO1;
Timer0_Delay1ms(100);
set_GPIO1;
Timer0_Delay1ms(100);
clr_GPIO1;
Timer0_Delay1ms(100);
set_GPIO1;
Timer0_Delay1ms(100);
}
void PinInterrupt_ISR (void) interrupt 7
{
if(PIF == 0x01)
{
PIF = 0x00; //clear interrupt flag
clr_GPIO1;
Timer1_Delay10ms(10);
set_GPIO1;
Timer1_Delay10ms(10);
clr_GPIO1;
Timer1_Delay10ms(10);
set_GPIO1;
Timer1_Delay10ms(10);
}
else if (PIF == 0x80)
{
clr_GPIO1;
Timer1_Delay10ms(10);
set_GPIO1;
Timer1_Delay10ms(10);
clr_GPIO1;
Timer1_Delay10ms(10);
set_GPIO1;
Timer1_Delay10ms(10);
clr_GPIO1;
Timer1_Delay10ms(10);
set_GPIO1;
Timer1_Delay10ms(10);
clr_GPIO1;
Timer1_Delay10ms(10);
set_GPIO1;
Timer1_Delay10ms(10);
}
}
/******************************************************************************
The main C function. Program execution starts
here after stack initialization.
******************************************************************************/
void main (void)
{
//pin中断 端口0：P00,P01,P07, 端口1：P10,P1.1,P17,端口2：P20, 端口3：P30
P07_Input_Mode;
set_P0S_7;
P00_Input_Mode;
P01_Input_Mode;
set_P0S_1;//P01
P12_PushPull_Mode;//?
P30_PushPull_Mode;//外部中断INT0
P05_PushPull_Mode; //T0
//----------------------------------------------------
// P0.5 set as highlevel trig pin interrupt function
// Keep P0.5 connect to VDD LED will tickle
// otherwise, MCU into power down mode.
//----------------------------------------------------
Enable_INT_Port0;
Enable_BIT7_LowLevel_Trig;
Enable_BIT0_LowLevel_Trig;
P30 =1;
P05 = 0;
set_EPI; // Enable pin interrupt
set_EX0;
set_EA; // global enable bit
while(1)
{
P01=0;
P30=0;
P01=1;
P30=1;
}
}
红色我标出来了Enable_INT_Port0（PICON &= 0xFB;1111,1011，这里应该是选择端口0，可是我觉得值不对，应该是0XFC才对，我又没有板子可以跑下，有人可以帮我看看是我理解错误还是官方定义的有错，可以的话有人帮我解释下是怎么回事吗，谢谢） |
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