146 lines
4.0 KiB
C
146 lines
4.0 KiB
C
/**
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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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* <h2><center>© Copyright (c) 2021 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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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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SD_HandleTypeDef hsd1;
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/* SDMMC1 init function */
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void MX_SDMMC1_SD_Init(void)
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{
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/* USER CODE BEGIN SDMMC1_Init 0 */
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/* USER CODE END SDMMC1_Init 0 */
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/* USER CODE BEGIN SDMMC1_Init 1 */
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/* USER CODE END SDMMC1_Init 1 */
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hsd1.Instance = SDMMC1;
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hsd1.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING;
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hsd1.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_DISABLE;
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hsd1.Init.BusWide = SDMMC_BUS_WIDE_4B;
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hsd1.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_DISABLE;
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hsd1.Init.ClockDiv = 0;
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hsd1.Init.TranceiverPresent = SDMMC_TRANSCEIVER_NOT_PRESENT;
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if (HAL_SD_Init(&hsd1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN SDMMC1_Init 2 */
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/* USER CODE END SDMMC1_Init 2 */
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}
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void HAL_SD_MspInit(SD_HandleTypeDef* sdHandle)
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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(sdHandle->Instance==SDMMC1)
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{
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/* USER CODE BEGIN SDMMC1_MspInit 0 */
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/* USER CODE END SDMMC1_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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/* SDMMC1 clock enable */
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__HAL_RCC_SDMMC1_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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/**SDMMC1 GPIO Configuration
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PC10 ------> SDMMC1_D2
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PC11 ------> SDMMC1_D3
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PC12 ------> SDMMC1_CK
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PD2 ------> SDMMC1_CMD
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PC8 ------> SDMMC1_D0
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PC9 ------> SDMMC1_D1
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_8
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|GPIO_PIN_9;
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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_AF12_SDIO1;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = GPIO_PIN_2;
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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_AF12_SDIO1;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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/* USER CODE BEGIN SDMMC1_MspInit 1 */
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/* USER CODE END SDMMC1_MspInit 1 */
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}
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}
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void HAL_SD_MspDeInit(SD_HandleTypeDef* sdHandle)
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{
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if(sdHandle->Instance==SDMMC1)
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{
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/* USER CODE BEGIN SDMMC1_MspDeInit 0 */
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/* USER CODE END SDMMC1_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_SDMMC1_CLK_DISABLE();
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/**SDMMC1 GPIO Configuration
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PC10 ------> SDMMC1_D2
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PC11 ------> SDMMC1_D3
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PC12 ------> SDMMC1_CK
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PD2 ------> SDMMC1_CMD
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PC8 ------> SDMMC1_D0
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PC9 ------> SDMMC1_D1
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*/
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HAL_GPIO_DeInit(GPIOC, GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_8
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|GPIO_PIN_9);
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HAL_GPIO_DeInit(GPIOD, GPIO_PIN_2);
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/* USER CODE BEGIN SDMMC1_MspDeInit 1 */
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/* USER CODE END SDMMC1_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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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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