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 * Copyright (c) 2019, ..\readme.txt Technologies Inc.
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/**
 * @file bsp_key.c
 * @author ..\readme.txt
 * @version v1.0.0
 *
 * @copyright Copyright (c) 2019, ..\readme.txt Technologies Inc. All rights reserved.
 */

#include "bsp_key.h"

/**
 * @brief  NVIC configuration.
 */
static void NVIC_Configuration(void)
{
    NVIC_InitType NVIC_InitStructure;

    /* Enable the KEY1 Interrupt */
    NVIC_InitStructure.NVIC_IRQChannel                   = KEY1_INT_EXTI_IRQ;
    NVIC_InitStructure.NVIC_IRQChannelPriority           = 1;
    NVIC_InitStructure.NVIC_IRQChannelCmd                = ENABLE;
    NVIC_Init(&NVIC_InitStructure);
}

/**
 * @brief  Configure the IO as EXTI_Line and set the Priority.
 */
void EXTI_Key_Config(void)
{
    GPIO_InitType GPIO_InitStructure;
    EXTI_InitType EXTI_InitStructure;

    /* Enable GPIO clock */
    RCC_EnableAPB2PeriphClk(KEY1_INT_GPIO_CLK, ENABLE);

    /* Configure NVIC */
    NVIC_Configuration();

    /*--------------------------KEY1_PA0 Configuration-----------------------------*/
    /* Initialize GPIO_InitStructure */
    GPIO_InitStruct(&GPIO_InitStructure);
    /* Configure KEY1 as input floating */
    GPIO_InitStructure.Pin       = KEY1_INT_GPIO_PIN;
    GPIO_InitStructure.GPIO_Pull = GPIO_PULL_UP;
    GPIO_InitPeripheral(KEY1_INT_GPIO_PORT, &GPIO_InitStructure);

    GPIO_ConfigEXTILine(KEY1_INT_EXTI_PORTSOURCE, KEY1_INT_EXTI_PINSOURCE);
    EXTI_InitStructure.EXTI_Line    = KEY1_INT_EXTI_LINE;
    EXTI_InitStructure.EXTI_Mode    = EXTI_Mode_Interrupt;
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_InitPeripheral(&EXTI_InitStructure);
}
