標(biāo)題: 求大佬幫幫忙找一下程序錯(cuò)誤 [打印本頁(yè)]

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作者: bjydy    時(shí)間: 2020-4-20 13:32
標(biāo)題: 求大佬幫幫忙找一下程序錯(cuò)誤
/*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* Copyright 2016-2017 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/

#include "board.h"
#include "fsl_debug_console.h"
#include "fsl_gpio.h"

#include "pin_mux.h"
#include "clock_config.h"
/*******************************************************************************
* Definitions
******************************************************************************/
#define EXAMPLE_LED_GPIO BOARD_USER_LED_GPIO
#define EXAMPLE_LED_GPIO_PIN BOARD_USER_LED_GPIO_PIN
#define EXAMPLE_DELAY_COUNT 8000000


/*******************************************************************************
* Prototypes
******************************************************************************/
/*!
* @brief delay a while.
*/
void delay(void);

/*******************************************************************************
* Variables
******************************************************************************/
/* The PIN status */
volatile bool g_pinSet = false;
/*******************************************************************************
* Code
******************************************************************************/
void delay(void)
{
    volatile uint32_t i = 0;
    for (i = 0; i < EXAMPLE_DELAY_COUNT; ++i)
    {
        __asm("NOP"); /* delay */
    }
}

/*!
* @brief Main function
*/
int main(void)
{
    /* Define the init structure for the output LED pin*/
    gpio_pin_config_t led_config = {kGPIO_DigitalOutput, 0, kGPIO_NoIntmode};

    /* Board pin, clock, debug console init */
    BOARD_ConfigMPU();
    BOARD_InitPins();
    BOARD_BootClockRUN();
    BOARD_InitDebugConsole();

    /* Print a note to terminal. */
    PRINTF("\r\n GPIO Driver example\r\n");
    PRINTF("\r\n The LED is blinking.\r\n");

    /* Init output LED GPIO. */
    GPIO_PinInit(EXAMPLE_LED_GPIO, EXAMPLE_LED_GPIO_PIN, &led_config);

    while (1)
    {
        delay();
#if (defined(FSL_FEATURE_IGPIO_HAS_DR_TOGGLE) && (FSL_FEATURE_IGPIO_HAS_DR_TOGGLE == 1))
        GPIO_PortToggle(EXAMPLE_LED_GPIO, 1u << EXAMPLE_LED_GPIO_PIN);
#else
        if (g_pinSet)
        {
            GPIO_PinWrite(EXAMPLE_LED_GPIO, EXAMPLE_LED_GPIO_PIN, 0U);
            g_pinSet = false;
        }
        else
        {
            GPIO_PinWrite(EXAMPLE_LED_GPIO, EXAMPLE_LED_GPIO_PIN, 1U);
            g_pinSet = true;
        }
#endif /* FSL_FEATURE_IGPIO_HAS_DR_TOGGLE */
    }
}

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