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/**
  ******************************************************************************
  * @file    gpio.c
  * @brief   This file provides code for the configuration
  *          of all used GPIO pins.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2026 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
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/* Includes ------------------------------------------------------------------*/
#include "gpio.h"

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/*----------------------------------------------------------------------------*/
/* Configure GPIO                                                             */
/*----------------------------------------------------------------------------*/
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/** Configure pins as
        * Analog
        * Input
        * Output
        * EVENT_OUT
        * EXTI
*/
void MX_GPIO_Init(void)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOB_CLK_ENABLE();
  __HAL_RCC_GPIOG_CLK_ENABLE();
  __HAL_RCC_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOD_CLK_ENABLE();
  __HAL_RCC_GPIOC_CLK_ENABLE();
  __HAL_RCC_GPIOI_CLK_ENABLE();
  __HAL_RCC_GPIOF_CLK_ENABLE();
  __HAL_RCC_GPIOH_CLK_ENABLE();
  __HAL_RCC_GPIOE_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(RSTN_IST8310_GPIO_Port, RSTN_IST8310_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(CS1_ACCEL_GPIO_Port, CS1_ACCEL_Pin, GPIO_PIN_SET);

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOB, SPI2_CS_Pin|CS1_GYRO_Pin, GPIO_PIN_SET);

  /*Configure GPIO pin : BUTTON_TRIG_Pin */
  GPIO_InitStruct.Pin = BUTTON_TRIG_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  HAL_GPIO_Init(BUTTON_TRIG_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pin : RSTN_IST8310_Pin */
  GPIO_InitStruct.Pin = RSTN_IST8310_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
  HAL_GPIO_Init(RSTN_IST8310_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pins : DRDY_IST8310_Pin PG0 */
  GPIO_InitStruct.Pin = DRDY_IST8310_Pin|GPIO_PIN_0;
  GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);

  /*Configure GPIO pins : HW0_Pin HW1_Pin HW2_Pin */
  GPIO_InitStruct.Pin = HW0_Pin|HW1_Pin|HW2_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

  /*Configure GPIO pin : KEY_Pin */
  GPIO_InitStruct.Pin = KEY_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  HAL_GPIO_Init(KEY_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pin : CS1_ACCEL_Pin */
  GPIO_InitStruct.Pin = CS1_ACCEL_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
  HAL_GPIO_Init(CS1_ACCEL_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pins : INT1_ACCEL_Pin INT1_GYRO_Pin
   * BMI088 的 INT1(加速度计)/INT3(陀螺仪)在 bmi088_init 里被配成推挽、
   * 低有效的数据就绪信号(INT1_IO_CONF=0x08 / INT3_INT4_IO_CONF=0x00),
   * 即"数据就绪"表现为电平拉低,对应下降沿。bmi088.c/h 文件头也写明
   * "数据就绪下降沿触发",legacy 用的同样是 EXTI_Trigger_Falling。
   * CubeMX 默认生成的是上升沿,那会落在这个信号的电平恢复沿上,采样时序
   * 整体错位 —— 故此处改回下降沿。
   * 注意: 本文件由 CubeMX 生成,重新生成工程会改回 RISING;.ioc 里已同步
   * 写入 GPIO_MODE_IT_FALLING,正常用 CubeMX 重新生成可保留。 */
  GPIO_InitStruct.Pin = INT1_ACCEL_Pin|INT1_GYRO_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

  /*Configure GPIO pin : SPI2_CS_Pin */
  GPIO_InitStruct.Pin = SPI2_CS_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
  HAL_GPIO_Init(SPI2_CS_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pin : CS1_GYRO_Pin */
  GPIO_InitStruct.Pin = CS1_GYRO_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
  HAL_GPIO_Init(CS1_GYRO_GPIO_Port, &GPIO_InitStruct);

  /* EXTI interrupt init*/
  HAL_NVIC_SetPriority(EXTI0_IRQn, 5, 0);
  HAL_NVIC_EnableIRQ(EXTI0_IRQn);

  HAL_NVIC_SetPriority(EXTI3_IRQn, 5, 0);
  HAL_NVIC_EnableIRQ(EXTI3_IRQn);

  HAL_NVIC_SetPriority(EXTI4_IRQn, 5, 0);
  HAL_NVIC_EnableIRQ(EXTI4_IRQn);

  HAL_NVIC_SetPriority(EXTI9_5_IRQn, 5, 0);
  HAL_NVIC_EnableIRQ(EXTI9_5_IRQn);

}

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