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path: root/Core/Src/quadspi.c
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/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    quadspi.c
  * @brief   This file provides code for the configuration
  *          of the QUADSPI instances.
  ******************************************************************************
  * @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.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "quadspi.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

QSPI_HandleTypeDef hqspi;

/* QUADSPI init function */
void MX_QUADSPI_Init(void)
{

  /* USER CODE BEGIN QUADSPI_Init 0 */

  /* USER CODE END QUADSPI_Init 0 */

  /* USER CODE BEGIN QUADSPI_Init 1 */

  /* USER CODE END QUADSPI_Init 1 */
  hqspi.Instance = QUADSPI;
  hqspi.Init.ClockPrescaler = 2;
  hqspi.Init.FifoThreshold = 4;
  hqspi.Init.SampleShifting = QSPI_SAMPLE_SHIFTING_HALFCYCLE;
  hqspi.Init.FlashSize = 23;
  hqspi.Init.ChipSelectHighTime = QSPI_CS_HIGH_TIME_1_CYCLE;
  hqspi.Init.ClockMode = QSPI_CLOCK_MODE_0;
  hqspi.Init.FlashID = QSPI_FLASH_ID_1;
  hqspi.Init.DualFlash = QSPI_DUALFLASH_DISABLE;
  if (HAL_QSPI_Init(&hqspi) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN QUADSPI_Init 2 */

  /* USER CODE END QUADSPI_Init 2 */

}

void HAL_QSPI_MspInit(QSPI_HandleTypeDef* qspiHandle)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
  if(qspiHandle->Instance==QUADSPI)
  {
  /* USER CODE BEGIN QUADSPI_MspInit 0 */

  /* USER CODE END QUADSPI_MspInit 0 */

  /** Initializes the peripherals clock
  */
    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_QSPI;
    PeriphClkInitStruct.PLL2.PLL2M = 2;
    PeriphClkInitStruct.PLL2.PLL2N = 16;
    PeriphClkInitStruct.PLL2.PLL2P = 2;
    PeriphClkInitStruct.PLL2.PLL2Q = 2;
    PeriphClkInitStruct.PLL2.PLL2R = 1;
    PeriphClkInitStruct.PLL2.PLL2RGE = RCC_PLL2VCIRANGE_3;
    PeriphClkInitStruct.PLL2.PLL2VCOSEL = RCC_PLL2VCOWIDE;
    PeriphClkInitStruct.PLL2.PLL2FRACN = 0;
    PeriphClkInitStruct.QspiClockSelection = RCC_QSPICLKSOURCE_PLL2;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
    {
      Error_Handler();
    }

    /* QUADSPI clock enable */
    __HAL_RCC_QSPI_CLK_ENABLE();

    __HAL_RCC_GPIOF_CLK_ENABLE();
    __HAL_RCC_GPIOG_CLK_ENABLE();
    /**QUADSPI GPIO Configuration
    PF6     ------> QUADSPI_BK1_IO3
    PF7     ------> QUADSPI_BK1_IO2
    PF8     ------> QUADSPI_BK1_IO0
    PF9     ------> QUADSPI_BK1_IO1
    PF10     ------> QUADSPI_CLK
    PG6     ------> QUADSPI_BK1_NCS
    */
    GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF9_QUADSPI;
    HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF10_QUADSPI;
    HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_6;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF10_QUADSPI;
    HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);

  /* USER CODE BEGIN QUADSPI_MspInit 1 */

  /* USER CODE END QUADSPI_MspInit 1 */
  }
}

void HAL_QSPI_MspDeInit(QSPI_HandleTypeDef* qspiHandle)
{

  if(qspiHandle->Instance==QUADSPI)
  {
  /* USER CODE BEGIN QUADSPI_MspDeInit 0 */

  /* USER CODE END QUADSPI_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_QSPI_CLK_DISABLE();

    /**QUADSPI GPIO Configuration
    PF6     ------> QUADSPI_BK1_IO3
    PF7     ------> QUADSPI_BK1_IO2
    PF8     ------> QUADSPI_BK1_IO0
    PF9     ------> QUADSPI_BK1_IO1
    PF10     ------> QUADSPI_CLK
    PG6     ------> QUADSPI_BK1_NCS
    */
    HAL_GPIO_DeInit(GPIOF, GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9
                          |GPIO_PIN_10);

    HAL_GPIO_DeInit(GPIOG, GPIO_PIN_6);

  /* USER CODE BEGIN QUADSPI_MspDeInit 1 */

  /* USER CODE END QUADSPI_MspDeInit 1 */
  }
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */