CC2640R2F: CCS中无法使用全局静态变量？

变量和调用是否在同一文件中，和编译器和CCS都没关系，你可以看到在例程pininterrupt中调用没有问题

/*
 *  ======== pinInterrupt.c ========
 */
#include <unistd.h>

/* Driver Header files */
#include <ti/drivers/PIN.h>

/* Example/Board Header files */
#include "Board.h"

/* Pin driver handles */
static PIN_Handle buttonPinHandle;
static PIN_Handle ledPinHandle;

/* Global memory storage for a PIN_Config table */
static PIN_State buttonPinState;
static PIN_State ledPinState;

/*
 * Initial LED pin configuration table
 *   - LEDs Board_PIN_LED0 is on.
 *   - LEDs Board_PIN_LED1 is off.
 */
PIN_Config ledPinTable[] = {
    Board_PIN_LED0 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_HIGH | PIN_PUSHPULL | PIN_DRVSTR_MAX,
    Board_PIN_LED1 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW  | PIN_PUSHPULL | PIN_DRVSTR_MAX,
    PIN_TERMINATE
};

/*
 * Application button pin configuration table:
 *   - Buttons interrupts are configured to trigger on falling edge.
 */
PIN_Config buttonPinTable[] = {
    Board_PIN_BUTTON0  | PIN_INPUT_EN | PIN_PULLUP | PIN_IRQ_NEGEDGE,
    Board_PIN_BUTTON1  | PIN_INPUT_EN | PIN_PULLUP | PIN_IRQ_NEGEDGE,
    PIN_TERMINATE
};

/*
 *  ======== buttonCallbackFxn ========
 *  Pin interrupt Callback function board buttons configured in the pinTable.
 *  If Board_PIN_LED3 and Board_PIN_LED4 are defined, then we'll add them to the PIN
 *  callback function.
 */
void buttonCallbackFxn(PIN_Handle handle, PIN_Id pinId) {
    uint32_t currVal = 0;

    /* Debounce logic, only toggle if the button is still pushed (low) */
    CPUdelay(8000*50);
    if (!PIN_getInputValue(pinId)) {
        /* Toggle LED based on the button pressed */
        switch (pinId) {
            case Board_PIN_BUTTON0:
                currVal =  PIN_getOutputValue(Board_PIN_LED0);
                PIN_setOutputValue(ledPinHandle, Board_PIN_LED0, !currVal);
                break;

            case Board_PIN_BUTTON1:
                currVal =  PIN_getOutputValue(Board_PIN_LED1);
                PIN_setOutputValue(ledPinHandle, Board_PIN_LED1, !currVal);
                break;

            default:
                /* Do nothing */
                break;
        }
    }
}

/*
 *  ======== mainThread ========
 */
void *mainThread(void *arg0)
{

    /* Open LED pins */
    ledPinHandle = PIN_open(&ledPinState, ledPinTable);
    if(!ledPinHandle) {
        /* Error initializing board LED pins */
        while(1);
    }

    buttonPinHandle = PIN_open(&buttonPinState, buttonPinTable);
    if(!buttonPinHandle) {
        /* Error initializing button pins */
        while(1);
    }

    /* Setup callback for button pins */
    if (PIN_registerIntCb(buttonPinHandle, &buttonCallbackFxn) != 0) {
        /* Error registering button callback function */
        while(1);
    }

    /* Loop forever */
    while(1) {
        sleep(1000);
    }
}

就是在同一文件，测试了很多次，都是这样