152 lines
4.2 KiB
C
152 lines
4.2 KiB
C
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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file sdio.c
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* @brief This file provides code for the configuration
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* of the SDIO instances.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2024 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 "sdio.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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SD_HandleTypeDef hsd;
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DMA_HandleTypeDef hdma_sdio;
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/* SDIO init function */
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void MX_SDIO_SD_Init(void)
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{
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/* USER CODE BEGIN SDIO_Init 0 */
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/* USER CODE END SDIO_Init 0 */
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/* USER CODE BEGIN SDIO_Init 1 */
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/* USER CODE END SDIO_Init 1 */
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hsd.Instance = SDIO;
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hsd.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
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hsd.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
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hsd.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
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hsd.Init.BusWide = SDIO_BUS_WIDE_4B;
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hsd.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
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hsd.Init.ClockDiv = 4;
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/* USER CODE BEGIN SDIO_Init 2 */
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/* USER CODE END SDIO_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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if(sdHandle->Instance==SDIO)
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{
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/* USER CODE BEGIN SDIO_MspInit 0 */
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/* USER CODE END SDIO_MspInit 0 */
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/* SDIO clock enable */
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__HAL_RCC_SDIO_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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/**SDIO GPIO Configuration
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PC8 ------> SDIO_D0
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PC9 ------> SDIO_D1
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PC10 ------> SDIO_D2
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PC11 ------> SDIO_D3
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PC12 ------> SDIO_CK
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PD2 ------> SDIO_CMD
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
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|GPIO_PIN_12;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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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.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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/* SDIO DMA Init */
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/* SDIO Init */
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hdma_sdio.Instance = DMA2_Channel4;
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hdma_sdio.Init.Direction = DMA_PERIPH_TO_MEMORY;
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hdma_sdio.Init.PeriphInc = DMA_PINC_DISABLE;
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hdma_sdio.Init.MemInc = DMA_MINC_ENABLE;
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hdma_sdio.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
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hdma_sdio.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
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hdma_sdio.Init.Mode = DMA_NORMAL;
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hdma_sdio.Init.Priority = DMA_PRIORITY_LOW;
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if (HAL_DMA_Init(&hdma_sdio) != HAL_OK)
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{
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Error_Handler();
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}
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/* Several peripheral DMA handle pointers point to the same DMA handle.
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Be aware that there is only one channel to perform all the requested DMAs. */
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/* Be sure to change transfer direction before calling
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HAL_SD_ReadBlocks_DMA or HAL_SD_WriteBlocks_DMA. */
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__HAL_LINKDMA(sdHandle,hdmarx,hdma_sdio);
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__HAL_LINKDMA(sdHandle,hdmatx,hdma_sdio);
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/* USER CODE BEGIN SDIO_MspInit 1 */
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/* USER CODE END SDIO_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==SDIO)
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{
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/* USER CODE BEGIN SDIO_MspDeInit 0 */
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/* USER CODE END SDIO_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_SDIO_CLK_DISABLE();
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/**SDIO GPIO Configuration
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PC8 ------> SDIO_D0
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PC9 ------> SDIO_D1
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PC10 ------> SDIO_D2
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PC11 ------> SDIO_D3
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PC12 ------> SDIO_CK
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PD2 ------> SDIO_CMD
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*/
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HAL_GPIO_DeInit(GPIOC, GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
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|GPIO_PIN_12);
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HAL_GPIO_DeInit(GPIOD, GPIO_PIN_2);
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/* SDIO DMA DeInit */
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HAL_DMA_DeInit(sdHandle->hdmarx);
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HAL_DMA_DeInit(sdHandle->hdmatx);
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/* USER CODE BEGIN SDIO_MspDeInit 1 */
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/* USER CODE END SDIO_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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