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