وقفه int0

[nex2004]

سلام
من سه تا وقفه خارجي INT رو فعال کردم . ولي نمي دونم چرا بدون اين که INT0 رو تحريک کنم به صورت خود سر مي ره زير برنامه شو اجرا مي کنه . توي INT1و INT2 همچين مشکلي به وجود نيومد . در ضمن پايه ها رو هم با مقاومت 10 کيلو زمين کردم .
با تشکر

#include <stdint.h>#include "LPC17xx.h"
                  
#define LED_NUM     8                      /* Number of user LEDs             */
const unsigned long led_mask[] = { 1UL<<0, 1UL<<1, 1UL<<2, 1UL<< 3,
                                   1UL<< 4, 1UL<< 5, 1UL<< 6, 1UL<< 7 };
int idxCur = -1;                           /* current led position from 0..7  */
int idxOld =  0;                           /* old     led position from 0..7  */
int dir    =  1;                           /* direction for switching the LED */










void EINT3_IRQHandler()					 
{
  LPC_SC->EXTINT = 0x00000008;   
	
 
 	LPC_GPIO0->FIOCLR = 0x00000001; 
                          
                        
}
void EINT2_IRQHandler()					 
{
  LPC_SC->EXTINT = 0x00000004;   
	
 LPC_GPIO0->FIOCLR = 0x00000001;
                        
                        
}
/**/
void EINT1_IRQHandler()					 
{
  LPC_SC->EXTINT = 0x00000002;   
	
 LPC_GPIO0->FIOCLR = 0x00000001;
                         
                        
}


void EINT0_IRQHandler()					   /*INT0 interrupt if the standard was EINT1_IRQHandler ()*/
{
	
  LPC_SC->EXTINT = 0x00000001;	     /* clear pending interrupt         */
LPC_GPIO0->FIOCLR = 0x00000001;	
                       /* switch off    old LED position  */
                        /* switch on  current LED position */
}


int main (void) {
	LPC_GPIO0->FIODIR = 0x000000FF; 
	LPC_GPIO0->FIOSET = 0x00000001;
  SystemInit();                            /* initialize system               */
                             /* direction for switching the LED */
                        /* switch on  first LED            */


  
	LPC_PINCON->PINSEL4 |= 1 << 26;	// set P2.12 as EINT2
  LPC_SC->EXTMODE = 0x00000008;		// 	EINT2 edge trigger if EXTMODE=0 then level-sensitive
  LPC_SC->EXTPOLAR = 1;				// EINT2 is falling edge by default if EXTPOLAR=1 then
  NVIC_EnableIRQ(EINT3_IRQn);
	
	LPC_PINCON->PINSEL4 |= 1 << 24;	// set P2.12 as EINT2
  LPC_SC->EXTMODE = 0x00000004;		// 	EINT2 edge trigger if EXTMODE=0 then level-sensitive
  LPC_SC->EXTPOLAR = 1;				// EINT2 is falling edge by default if EXTPOLAR=1 then
  NVIC_EnableIRQ(EINT2_IRQn);
	
	LPC_PINCON->PINSEL4 |= 1 << 22;	// set P2.11 as EINT1
  LPC_SC->EXTMODE = 0x00000002;		// EINT1 edge trigger
  LPC_SC->EXTPOLAR = 1;				// EINT1 is rising edge by default
  NVIC_EnableIRQ(EINT1_IRQn);
	
	
  LPC_PINCON->PINSEL4 |= 1 << 20;	// set P2.10 as EINT0
  LPC_SC->EXTMODE = 0x00000001;		// EINT0 edge trigger
  LPC_SC->EXTPOLAR = 1;				// EINT0 is rising edge by default
  NVIC_EnableIRQ(EINT0_IRQn);


  while (1);
	
	
}

[mzarkoob]

سلام
بردتون چیه؟ هدر هست یا برد اموزشی؟
تا تحریک نشه نمیره در وقفه. از طریقی این اتفاق می افته . یا نویز می افته یا این پایه جای دیگری در حال استفاده است

[nex2004]

سلام و تشکر از پاسخ
اون مشکل بر طرف شد ولی یک مشکل دیگه به وجود اومده اینه که . با arm wizard یک برنامه ساختم . که چهار تا از وقفه ها رو فعال میکنه . برنامه در حالت حساس به لبه falling درست عمل میکنه . ولی زمانی که دوباره همون برنامه رو با arm wizard دوباره می سازم و حساس به لبه rising می کنم باز هم با لبه پایین رونده تحریک میشه . به نظرتون مشکل از کجاست . برنامه زیر حساس به لبه بالا رونده rising

/************************************************************************************   Code created using the ARMwizard, visit http://alexan.edaboard.eu 
************************************************************************************/


#include <LPC17xx.h>


void delay (unsigned long tick) {       /* Delay Function                     */
unsigned long dly = tick*300;
	while(dly--);
}


/******************************************************************************
                  External Interrupt 0 Interrupt service function
******************************************************************************/
void EINT0_IRQHandler(void) {
/* write code here */
LPC_GPIO0->FIOSET=0x00000001;
delay(2000);
LPC_GPIO0->FIOCLR=0x00000001;
delay(2000);
	
	


LPC_SC->EXTINT = (1UL<<0);   /* Clear EINT0 interrupt flag */
}


/******************************************************************************
                  External Interrupt 1 Interrupt service function
******************************************************************************/
void EINT1_IRQHandler(void) {
/* write code here */
LPC_GPIO0->FIOSET=0x00000001;
delay(2000);
LPC_GPIO0->FIOCLR=0x00000001;
delay(2000);
	LPC_GPIO0->FIOSET=0x00000001;
delay(2000);
LPC_GPIO0->FIOCLR=0x00000001;
delay(2000);


LPC_SC->EXTINT = (1UL<<1);   /* Clear EINT1 interrupt flag */
}


/******************************************************************************
                  External Interrupt 2 Interrupt service function
******************************************************************************/
void EINT2_IRQHandler(void) {
/* write code here */
LPC_GPIO0->FIOSET=0x00000001;
delay(2000);
LPC_GPIO0->FIOCLR=0x00000001;
delay(2000);
	LPC_GPIO0->FIOSET=0x00000001;
delay(2000);
LPC_GPIO0->FIOCLR=0x00000001;
delay(2000);
	LPC_GPIO0->FIOSET=0x00000001;
delay(2000);
LPC_GPIO0->FIOCLR=0x00000001;
delay(2000);
	


LPC_SC->EXTINT = (1UL<<2);   /* Clear EINT2 interrupt flag */
}


/******************************************************************************
                  External Interrupt 3 Interrupt service function
******************************************************************************/
void EINT3_IRQHandler(void) {
/* write code here */
LPC_GPIO0->FIOSET=0x00000001;
delay(2000);
LPC_GPIO0->FIOCLR=0x00000001;
delay(2000);
	LPC_GPIO0->FIOSET=0x00000001;
delay(2000);
LPC_GPIO0->FIOCLR=0x00000001;
delay(2000);
	LPC_GPIO0->FIOSET=0x00000001;
delay(2000);
LPC_GPIO0->FIOCLR=0x00000001;
delay(2000);
	LPC_GPIO0->FIOSET=0x00000001;
delay(2000);
LPC_GPIO0->FIOCLR=0x00000001;
delay(2000);


LPC_SC->EXTINT = (1UL<<3);   /* Clear EINT3 interrupt flag */
}


int main(void)
{
LPC_GPIO0->FIODIR = 0x000000FF;
	/*
	  P0.0:  PORT0.0 (General purpose I/O)  Input, pull-up resistor enabled
    P0.1:  PORT0.1 (General purpose I/O)  Input, pull-up resistor enabled
    P0.2:  PORT0.2 (General purpose I/O)  Input, pull-up resistor enabled
    P0.3:  PORT0.3 (General purpose I/O)  Input, pull-up resistor enabled
    P0.4:  PORT0.4 (General purpose I/O)  Input, pull-up resistor enabled
    P0.5:  PORT0.5 (General purpose I/O)  Input, pull-up resistor enabled
    P0.6:  PORT0.6 (General purpose I/O)  Input, pull-up resistor enabled
    P0.7:  PORT0.7 (General purpose I/O)  Input, pull-up resistor enabled
    P0.8:  PORT0.8 (General purpose I/O)  Input, pull-up resistor enabled
    P0.9:  PORT0.9 (General purpose I/O)  Input, pull-up resistor enabled
    P0.10:  PORT0.10 (General purpose I/O)  Input, pull-up resistor enabled
    P0.11:  PORT0.11 (General purpose I/O)  Input, pull-up resistor enabled
    P0.15:  PORT0.15 (General purpose I/O)  Input, pull-up resistor enabled
    P0.16:  PORT0.16 (General purpose I/O)  Input, pull-up resistor enabled
    P0.17:  PORT0.17 (General purpose I/O)  Input, pull-up resistor enabled
    P0.18:  PORT0.18 (General purpose I/O)  Input, pull-up resistor enabled
    P0.19:  PORT0.19 (General purpose I/O)  Input, pull-up resistor enabled
    P0.20:  PORT0.20 (General purpose I/O)  Input, pull-up resistor enabled
    P0.21:  PORT0.21 (General purpose I/O)  Input, pull-up resistor enabled
    P0.22:  PORT0.22 (General purpose I/O)  Input, pull-up resistor enabled
    P0.23:  PORT0.23 (General purpose I/O)  Input, pull-up resistor enabled
    P0.24:  PORT0.24 (General purpose I/O)  Input, pull-up resistor enabled
    P0.25:  PORT0.25 (General purpose I/O)  Input, pull-up resistor enabled
    P0.26:  PORT0.26 (General purpose I/O)  Input, pull-up resistor enabled
    P0.27:  PORT0.27 (General purpose I/open-drain O)  Input
    P0.28:  PORT0.28 (General purpose I/open-drain O)  Input
    P0.29:  PORT0.29 (General purpose I/O)  Input
    P0.30:  PORT0.30 (General purpose I/O)  Input
    P1.0:  PORT1.0 (General purpose I/O)  Input, pull-up resistor enabled
    P1.1:  PORT1.1 (General purpose I/O)  Input, pull-up resistor enabled
    P1.4:  PORT1.4 (General purpose I/O)  Input, pull-up resistor enabled
    P1.8:  PORT1.8 (General purpose I/O)  Input, pull-up resistor enabled
    P1.9:  PORT1.9 (General purpose I/O)  Input, pull-up resistor enabled
    P1.10:  PORT1.10 (General purpose I/O)  Input, pull-up resistor enabled
    P1.14:  PORT1.14 (General purpose I/O)  Input, pull-up resistor enabled
    P1.15:  PORT1.15 (General purpose I/O)  Input, pull-up resistor enabled
    P1.16:  PORT1.16 (General purpose I/O)  Input, pull-up resistor enabled
    P1.17:  PORT1.17 (General purpose I/O)  Input, pull-up resistor enabled
    P1.18:  PORT1.18 (General purpose I/O)  Input, pull-up resistor enabled
    P1.19:  PORT1.19 (General purpose I/O)  Input, pull-up resistor enabled
    P1.20:  PORT1.20 (General purpose I/O)  Input, pull-up resistor enabled
    P1.21:  PORT1.21 (General purpose I/O)  Input, pull-up resistor enabled
    P1.22:  PORT1.22 (General purpose I/O)  Input, pull-up resistor enabled
    P1.23:  PORT1.23 (General purpose I/O)  Input, pull-up resistor enabled
    P1.24:  PORT1.24 (General purpose I/O)  Input, pull-up resistor enabled
    P1.25:  PORT1.25 (General purpose I/O)  Input, pull-up resistor enabled
    P1.26:  PORT1.26 (General purpose I/O)  Input, pull-up resistor enabled
    P1.27:  PORT1.27 (General purpose I/O)  Input, pull-up resistor enabled
    P1.28:  PORT1.28 (General purpose I/O)  Input, pull-up resistor enabled
    P1.29:  PORT1.29 (General purpose I/O)  Input, pull-up resistor enabled
    P1.30:  PORT1.30 (General purpose I/O)  Input, pull-up resistor enabled
    P1.31:  PORT1.31 (General purpose I/O)  Input, pull-up resistor enabled
    P2.0:  PORT2.0 (General purpose I/O)  Input, pull-up resistor enabled
    P2.1:  PORT2.1 (General purpose I/O)  Input, pull-up resistor enabled
    P2.2:  PORT2.2 (General purpose I/O)  Input, pull-up resistor enabled
    P2.3:  PORT2.3 (General purpose I/O)  Input, pull-up resistor enabled
    P2.4:  PORT2.4 (General purpose I/O)  Input, pull-up resistor enabled
    P2.5:  PORT2.5 (General purpose I/O)  Input, pull-up resistor enabled
    P2.6:  PORT2.6 (General purpose I/O)  Input, pull-up resistor enabled
    P2.7:  PORT2.7 (General purpose I/O)  Input, pull-up resistor enabled
    P2.8:  PORT2.8 (General purpose I/O)  Input, pull-up resistor enabled
    P2.9:  PORT2.9 (General purpose I/O)  Input, pull-up resistor enabled
    P2.10:  EINT0 (External interrupt 0 input), pull-up resistor enabled
    P2.11:  EINT1 (External interrupt 1 input), pull-up resistor enabled
    P2.12:  EINT2 (External interrupt 2 input), pull-up resistor enabled
    P2.13:  EINT3 (External interrupt 3 input), pull-up resistor enabled
    P3.25:  PORT3.25 (General purpose I/O)  Input, pull-up resistor enabled
    P3.26:  PORT3.26 (General purpose I/O)  Input, pull-up resistor enabled
    P4.28:  PORT4.28 (General purpose I/O)  Input, pull-up resistor enabled
    P4.29:  PORT4.29 (General purpose I/O)  Input, pull-up resistor enabled
*/


    LPC_SC->PCONP = (LPC_SC->PCONP & 0xEFEFF7DE) | (1UL<<15);   /* Enable peripheral clock for IOCON, GPIO, GPIO interrupts (default is enabled) */


    LPC_PINCON->PINSEL0 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINMODE0 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    //LPC_GPIO0->FIODIR = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINMODE_OD0 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINSEL1 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINMODE1 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINSEL2 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINMODE2 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_GPIO1->FIODIR = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINMODE_OD1 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINSEL3 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINMODE3 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINSEL4 = 0x05500000;     /* binary: 00000101_01010000_00000000_00000000 */
    LPC_PINCON->PINMODE4 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_GPIO2->FIODIR = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINMODE_OD2 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINSEL7 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINMODE7 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_GPIO3->FIODIR = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINMODE_OD3 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINSEL9 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINMODE9 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_GPIO4->FIODIR = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */
    LPC_PINCON->PINMODE_OD4 = 0x00000000;     /* binary: 00000000_00000000_00000000_00000000 */


/******************************************************************************
                           External interrupts
*******************************************************************************
   Ext. interrupt 0 mode: Edge sensitivity / Rising edge
    Ext. interrupt 1 mode: Edge sensitivity / Rising edge
    Ext. interrupt 2 mode: Edge sensitivity / Rising edge
    Ext. interrupt 3 mode: Edge sensitivity / Rising edge
*/
    LPC_SC->EXTMODE = 0x0F;     /* binary: 00001111 */
    LPC_SC->EXTPOLAR = 0x0F;     /* binary: 00001111 */
    LPC_SC->EXTINT = 0x0F;     /* clear the external interrupt flags */


/******************************************************************************
                         Vectored Interrupt initialization
******************************************************************************/


   NVIC_SetPriority(EINT0_IRQn,0);          /* Default priority group 0, can be 0(highest) - 31(lowest) */
   NVIC_EnableIRQ(EINT0_IRQn);           /* Enable External Interrupt 0 Interrupt */


   NVIC_SetPriority(EINT1_IRQn,0);          /* Default priority group 0, can be 0(highest) - 31(lowest) */
   NVIC_EnableIRQ(EINT1_IRQn);           /* Enable External Interrupt 1 Interrupt */


   NVIC_SetPriority(EINT2_IRQn,0);          /* Default priority group 0, can be 0(highest) - 31(lowest) */
   NVIC_EnableIRQ(EINT2_IRQn);           /* Enable External Interrupt 2 Interrupt */


   NVIC_SetPriority(EINT3_IRQn,0);          /* Default priority group 0, can be 0(highest) - 31(lowest) */
   NVIC_EnableIRQ(EINT3_IRQn);           /* Enable External Interrupt 3 Interrupt */


   while(1)
  {
  
  
   }


}