142 lines
3.8 KiB
C
142 lines
3.8 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file sdmmc.c
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* @brief This file provides code for the configuration
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* of the SDMMC instances.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2025 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "sdmmc.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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MMC_HandleTypeDef hmmc2;
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/* SDMMC2 init function */
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void MX_SDMMC2_MMC_Init(void)
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{
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/* USER CODE BEGIN SDMMC2_Init 0 */
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/* USER CODE END SDMMC2_Init 0 */
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/* USER CODE BEGIN SDMMC2_Init 1 */
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/* USER CODE END SDMMC2_Init 1 */
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hmmc2.Instance = SDMMC2;
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hmmc2.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING;
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hmmc2.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_DISABLE;
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hmmc2.Init.BusWide = SDMMC_BUS_WIDE_4B;
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hmmc2.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_DISABLE;
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hmmc2.Init.ClockDiv = 0;
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if (HAL_MMC_Init(&hmmc2) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN SDMMC2_Init 2 */
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/* USER CODE END SDMMC2_Init 2 */
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}
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void HAL_MMC_MspInit(MMC_HandleTypeDef* mmcHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
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if(mmcHandle->Instance==SDMMC2)
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{
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/* USER CODE BEGIN SDMMC2_MspInit 0 */
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/* USER CODE END SDMMC2_MspInit 0 */
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/** Initializes the peripherals clock
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*/
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SDMMC;
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PeriphClkInitStruct.SdmmcClockSelection = RCC_SDMMCCLKSOURCE_PLL;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/* SDMMC2 clock enable */
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__HAL_RCC_SDMMC2_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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/**SDMMC2 GPIO Configuration
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PB4 (NJTRST) ------> SDMMC2_D3
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PB3 (JTDO/TRACESWO) ------> SDMMC2_D2
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PD7 ------> SDMMC2_CMD
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PD6 ------> SDMMC2_CK
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PB14 ------> SDMMC2_D0
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PB15 ------> SDMMC2_D1
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_3|GPIO_PIN_14|GPIO_PIN_15;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF9_SDIO2;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_6;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF11_SDIO2;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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/* USER CODE BEGIN SDMMC2_MspInit 1 */
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/* USER CODE END SDMMC2_MspInit 1 */
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}
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}
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void HAL_MMC_MspDeInit(MMC_HandleTypeDef* mmcHandle)
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{
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if(mmcHandle->Instance==SDMMC2)
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{
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/* USER CODE BEGIN SDMMC2_MspDeInit 0 */
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/* USER CODE END SDMMC2_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_SDMMC2_CLK_DISABLE();
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/**SDMMC2 GPIO Configuration
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PB4 (NJTRST) ------> SDMMC2_D3
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PB3 (JTDO/TRACESWO) ------> SDMMC2_D2
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PD7 ------> SDMMC2_CMD
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PD6 ------> SDMMC2_CK
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PB14 ------> SDMMC2_D0
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PB15 ------> SDMMC2_D1
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*/
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HAL_GPIO_DeInit(GPIOB, GPIO_PIN_4|GPIO_PIN_3|GPIO_PIN_14|GPIO_PIN_15);
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HAL_GPIO_DeInit(GPIOD, GPIO_PIN_7|GPIO_PIN_6);
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/* USER CODE BEGIN SDMMC2_MspDeInit 1 */
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/* USER CODE END SDMMC2_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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