CC1310 双引脚同时中断问题

/******************************************************************************

 @file board_key.c

 @brief This file contains the interface to the Launchpad Key Service

 <BR>
 NOTE:  The launchpad only has 2 buttons, so only KEY_LEFT and KEY_RIGHT are
        enabled.
 <BR>
 Group: WCS LPC
 Target Device: CC2652

 ******************************************************************************
 
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 ******************************************************************************
 Release Name: simplelink_cc26x2_sdk_2_10_00_44_s
 Release Date: 2018-04-09 12:59:57
 *****************************************************************************/

/******************************************************************************
 Includes
 *****************************************************************************/

#include <stdbool.h>
#include <chipinfo.h>
#include "util_timer.h"
#include "board_key.h"

/******************************************************************************
 Local Variables
 *****************************************************************************/

/* Value of keys Pressed */
static uint8_t keysPressed;

/* Key debounce clock */
static Clock_Struct keyChangeClock;

/* Pointer to application callback */
static Board_Key_keysPressedCB_t appKeyChangeHandler = NULL;

/*
 Create the MSA KEY pin table. This will override the key attributes in
 BoardGpioInitTable[].
 */
static PIN_Config keyPinTable[] = {
      Board_PIN_BUTTON0 | PIN_INPUT_EN | PIN_PULLUP | PIN_IRQ_NEGEDGE,
      Board_PIN_BUTTON1 | PIN_INPUT_EN | PIN_PULLUP | PIN_IRQ_NEGEDGE,
      PIN_TERMINATE /* Terminate list */
    };

#if defined(CC13X2R1_LAUNCHXL) && !defined(NO_CC1312R1_SUPPORT)
static PIN_Config keyPinTable_CC1312R1[] = {
      Board_PIN_BUTTON0_CC1312R1 | PIN_INPUT_EN | PIN_PULLUP | PIN_IRQ_NEGEDGE,
      Board_PIN_BUTTON1_CC1312R1 | PIN_INPUT_EN | PIN_PULLUP | PIN_IRQ_NEGEDGE,
      PIN_TERMINATE /* Terminate list */
    };
#endif

/* KEY pin state */
static PIN_State keyPinState;

/* KEY Pin Handle */
static PIN_Handle keyPinHandle;

/* KEY Pid Id */
static PIN_Id keyButton0;
static PIN_Id keyButton1;

/******************************************************************************
 Local Functions
 *****************************************************************************/
static void board_key_changeHandler(UArg a0);
static void board_key_keyFxn(PIN_Handle keyPinHandle, PIN_Id keyPinId);


/******************************************************************************
 Public Functions
 *****************************************************************************/

/*!
 Enable interrupts for keys on PIN.

 Public function defined in board_key.h
 */
uint8_t Board_Key_initialize(Board_Key_keysPressedCB_t appKeyCB)
{
    uint8_t keyState;

    /* Setup KEY ISR */
#if defined(CC13X2R1_LAUNCHXL) && !defined(NO_CC1312R1_SUPPORT)
#ifndef TIMAC_AGAMA_FPGA
    if (ChipInfo_GetChipType() == CHIP_TYPE_CC1312)
    {
        keyButton0 = Board_PIN_BUTTON0_CC1312R1;
        keyButton1 = Board_PIN_BUTTON1_CC1312R1;
        keyPinHandle = PIN_open(&keyPinState, keyPinTable_CC1312R1);
    }
    else
#endif
    {
        keyButton0 = Board_PIN_BUTTON0;
        keyButton1 = Board_PIN_BUTTON1;
        keyPinHandle = PIN_open(&keyPinState, keyPinTable);
    }
#else
    keyButton0 = Board_PIN_BUTTON0;
    keyButton1 = Board_PIN_BUTTON1;
    keyPinHandle = PIN_open(&keyPinState, keyPinTable);
#endif
    /* Get current key state */
    keyState = board_key_getValues();

    /* Register Callbacks */
    PIN_registerIntCb(keyPinHandle, board_key_keyFxn);

    /* Setup keycallback for keys */
    Timer_construct(&keyChangeClock, board_key_changeHandler,
                    (KEY_DEBOUNCE_TIMEOUT),
                    0, false, 0);

    /* Set the application callback */
    appKeyChangeHandler = appKeyCB;

    return(keyState);
}

/*!
 * @brief       Interrupt handler for a Key press
 *
 * @param       keyPinHandle - PIN Handle
 * @param       keyPinId - PIN ID
 */
static void board_key_keyFxn(PIN_Handle keyPinHandle, PIN_Id keyPinId)
{
    (void)keyPinHandle;

    if(keyPinId == keyButton0)
    {
        keysPressed |= KEY_LEFT;
    }
    else if(keyPinId == keyButton1)
    {
        keysPressed |= KEY_RIGHT;
    }

    if(Timer_isActive(&keyChangeClock) != true)
    {
        Timer_start(&keyChangeClock);
    }
}

/*!
 * @brief       Handler for key change
 *
 * @param       UArg a0 - ignored
 */
static void board_key_changeHandler(UArg a0)
{
    if(appKeyChangeHandler != NULL)
    {
        /* Notify the application */
        (*appKeyChangeHandler)(keysPressed);

        /* Clear keys */
        keysPressed = 0;
    }
}

/*!
 * @brief       Get the current value for all the keys
 *
 * @return      bit mapped representation of all keys
 */
uint8_t board_key_getValues(void)
{
    uint8_t keys = 0;

    if(PIN_getInputValue(keyButton0) == false)
    {
        keys |= KEY_LEFT;
    }

    if(PIN_getInputValue(keyButton1) == false)
    {
        keys |= KEY_RIGHT;
    }

    return(keys);
}


请参考上面的code。