From 44c8a1777f4a3bd619676c16852cb8764369a8ec Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Wed, 4 Mar 2020 12:33:17 +0100 Subject: bsp/stm32h7: Import from STM32CubeMX-5.6.0 Update #3910. --- bsps/arm/stm32h7/hal/stm32h7xx_hal_sd_ex.c | 305 +++++++++++++++++++++++++++++ 1 file changed, 305 insertions(+) create mode 100644 bsps/arm/stm32h7/hal/stm32h7xx_hal_sd_ex.c (limited to 'bsps/arm/stm32h7/hal/stm32h7xx_hal_sd_ex.c') diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_hal_sd_ex.c b/bsps/arm/stm32h7/hal/stm32h7xx_hal_sd_ex.c new file mode 100644 index 0000000000..674619d98b --- /dev/null +++ b/bsps/arm/stm32h7/hal/stm32h7xx_hal_sd_ex.c @@ -0,0 +1,305 @@ +/** + ****************************************************************************** + * @file stm32h7xx_hal_sd_ex.c + * @author MCD Application Team + * @brief SD card Extended HAL module driver. + * This file provides firmware functions to manage the following + * functionalities of the Secure Digital (SD) peripheral: + * + Extended features functions + * + @verbatim + ============================================================================== + ##### How to use this driver ##### + ============================================================================== + [..] + The SD Extension HAL driver can be used as follows: + (+) Configure Buffer0 and Buffer1 start address and Buffer size using HAL_SDEx_ConfigDMAMultiBuffer() function. + (+) Start Read and Write for multibuffer mode using HAL_SDEx_ReadBlocksDMAMultiBuffer() and HAL_SDEx_WriteBlocksDMAMultiBuffer() functions. + + @endverbatim + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2017 STMicroelectronics. + * All rights reserved.

+ * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32h7xx_hal.h" + +/** @addtogroup STM32H7xx_HAL_Driver + * @{ + */ + +/** @defgroup SDEx SDEx + * @brief SD Extended HAL module driver + * @{ + */ + +#ifdef HAL_SD_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup SDEx_Exported_Functions + * @{ + */ + +/** @addtogroup SDEx_Exported_Functions_Group1 + * @brief Multibuffer functions + * +@verbatim + ============================================================================== + ##### Multibuffer functions ##### + ============================================================================== + [..] + This section provides functions allowing to configure the multibuffer mode and start read and write + multibuffer mode for SD HAL driver. + +@endverbatim + * @{ + */ + +/** + * @brief Configure DMA Dual Buffer mode. The Data transfer is managed by an Internal DMA. + * @param hsd: SD handle + * @param pDataBuffer0: Pointer to the buffer0 that will contain/receive the transfered data + * @param pDataBuffer1: Pointer to the buffer1 that will contain/receive the transfered data + * @param BufferSize: Size of Buffer0 in Blocks. Buffer0 and Buffer1 must have the same size. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SDEx_ConfigDMAMultiBuffer(SD_HandleTypeDef *hsd, uint32_t *pDataBuffer0, uint32_t *pDataBuffer1, uint32_t BufferSize) +{ + if(hsd->State == HAL_SD_STATE_READY) + { + hsd->Instance->IDMABASE0= (uint32_t) pDataBuffer0; + hsd->Instance->IDMABASE1= (uint32_t) pDataBuffer1; + hsd->Instance->IDMABSIZE= (uint32_t) (BLOCKSIZE * BufferSize); + + return HAL_OK; + } + else + { + return HAL_BUSY; + } +} + +/** + * @brief Reads block(s) from a specified address in a card. The received Data will be stored in Buffer0 and Buffer1. + * Buffer0, Buffer1 and BufferSize need to be configured by function HAL_SDEx_ConfigDMAMultiBuffer before call this function. + * @param hsd: SD handle + * @param BlockAdd: Block Address from where data is to be read + * @param NumberOfBlocks: Total number of blocks to read + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SDEx_ReadBlocksDMAMultiBuffer(SD_HandleTypeDef *hsd, uint32_t BlockAdd, uint32_t NumberOfBlocks) +{ + SDMMC_DataInitTypeDef config; + uint32_t errorstate; + uint32_t DmaBase0_reg, DmaBase1_reg; + uint32_t add = BlockAdd; + + if(hsd->State == HAL_SD_STATE_READY) + { + if((add + NumberOfBlocks) > (hsd->SdCard.LogBlockNbr)) + { + hsd->ErrorCode |= HAL_SD_ERROR_ADDR_OUT_OF_RANGE; + return HAL_ERROR; + } + + DmaBase0_reg = hsd->Instance->IDMABASE0; + DmaBase1_reg = hsd->Instance->IDMABASE1; + if ((hsd->Instance->IDMABSIZE == 0U) || (DmaBase0_reg == 0U) || (DmaBase1_reg == 0U)) + { + hsd->ErrorCode = HAL_SD_ERROR_ADDR_OUT_OF_RANGE; + return HAL_ERROR; + } + + /* Initialize data control register */ + hsd->Instance->DCTRL = 0; + /* Clear old Flags*/ + __HAL_SD_CLEAR_FLAG(hsd, SDMMC_STATIC_DATA_FLAGS); + + hsd->ErrorCode = HAL_SD_ERROR_NONE; + hsd->State = HAL_SD_STATE_BUSY; + + if(hsd->SdCard.CardType != CARD_SDHC_SDXC) + { + add *= 512U; + } + + /* Configure the SD DPSM (Data Path State Machine) */ + config.DataTimeOut = SDMMC_DATATIMEOUT; + config.DataLength = BLOCKSIZE * NumberOfBlocks; + config.DataBlockSize = SDMMC_DATABLOCK_SIZE_512B; + config.TransferDir = SDMMC_TRANSFER_DIR_TO_SDMMC; + config.TransferMode = SDMMC_TRANSFER_MODE_BLOCK; + config.DPSM = SDMMC_DPSM_DISABLE; + (void)SDMMC_ConfigData(hsd->Instance, &config); + + hsd->Instance->DCTRL |= SDMMC_DCTRL_FIFORST; + + __SDMMC_CMDTRANS_ENABLE( hsd->Instance); + + hsd->Instance->IDMACTRL = SDMMC_ENABLE_IDMA_DOUBLE_BUFF0; + + /* Read Blocks in DMA mode */ + hsd->Context = (SD_CONTEXT_READ_MULTIPLE_BLOCK | SD_CONTEXT_DMA); + + /* Read Multi Block command */ + errorstate = SDMMC_CmdReadMultiBlock(hsd->Instance, add); + if(errorstate != HAL_SD_ERROR_NONE) + { + hsd->State = HAL_SD_STATE_READY; + hsd->ErrorCode |= errorstate; + return HAL_ERROR; + } + + __HAL_SD_ENABLE_IT(hsd, (SDMMC_IT_DCRCFAIL | SDMMC_IT_DTIMEOUT | SDMMC_IT_RXOVERR | SDMMC_IT_DATAEND | SDMMC_IT_IDMABTC)); + + return HAL_OK; + } + else + { + return HAL_BUSY; + } + +} + +/** + * @brief Write block(s) to a specified address in a card. The transfered Data are stored in Buffer0 and Buffer1. + * Buffer0, Buffer1 and BufferSize need to be configured by function HAL_SDEx_ConfigDMAMultiBuffer before call this function. + * @param hsd: SD handle + * @param BlockAdd: Block Address from where data is to be read + * @param NumberOfBlocks: Total number of blocks to read + * @retval HAL status +*/ +HAL_StatusTypeDef HAL_SDEx_WriteBlocksDMAMultiBuffer(SD_HandleTypeDef *hsd, uint32_t BlockAdd, uint32_t NumberOfBlocks) +{ + SDMMC_DataInitTypeDef config; + uint32_t errorstate; + uint32_t DmaBase0_reg, DmaBase1_reg; + uint32_t add = BlockAdd; + + if(hsd->State == HAL_SD_STATE_READY) + { + if((add + NumberOfBlocks) > (hsd->SdCard.LogBlockNbr)) + { + hsd->ErrorCode |= HAL_SD_ERROR_ADDR_OUT_OF_RANGE; + return HAL_ERROR; + } + + DmaBase0_reg = hsd->Instance->IDMABASE0; + DmaBase1_reg = hsd->Instance->IDMABASE1; + if ((hsd->Instance->IDMABSIZE == 0U) || (DmaBase0_reg == 0U) || (DmaBase1_reg == 0U)) + { + hsd->ErrorCode = HAL_SD_ERROR_ADDR_OUT_OF_RANGE; + return HAL_ERROR; + } + + /* Initialize data control register */ + hsd->Instance->DCTRL = 0; + + hsd->ErrorCode = HAL_SD_ERROR_NONE; + + hsd->State = HAL_SD_STATE_BUSY; + + if(hsd->SdCard.CardType != CARD_SDHC_SDXC) + { + add *= 512U; + } + + /* Configure the SD DPSM (Data Path State Machine) */ + config.DataTimeOut = SDMMC_DATATIMEOUT; + config.DataLength = BLOCKSIZE * NumberOfBlocks; + config.DataBlockSize = SDMMC_DATABLOCK_SIZE_512B; + config.TransferDir = SDMMC_TRANSFER_DIR_TO_CARD; + config.TransferMode = SDMMC_TRANSFER_MODE_BLOCK; + config.DPSM = SDMMC_DPSM_DISABLE; + (void)SDMMC_ConfigData(hsd->Instance, &config); + + __SDMMC_CMDTRANS_ENABLE( hsd->Instance); + + hsd->Instance->IDMACTRL = SDMMC_ENABLE_IDMA_DOUBLE_BUFF0; + + /* Write Blocks in DMA mode */ + hsd->Context = (SD_CONTEXT_WRITE_MULTIPLE_BLOCK | SD_CONTEXT_DMA); + + /* Write Multi Block command */ + errorstate = SDMMC_CmdWriteMultiBlock(hsd->Instance, add); + if(errorstate != HAL_SD_ERROR_NONE) + { + hsd->State = HAL_SD_STATE_READY; + hsd->ErrorCode |= errorstate; + return HAL_ERROR; + } + + __HAL_SD_ENABLE_IT(hsd, (SDMMC_IT_DCRCFAIL | SDMMC_IT_DTIMEOUT | SDMMC_IT_TXUNDERR | SDMMC_IT_DATAEND | SDMMC_IT_IDMABTC)); + + return HAL_OK; + } + else + { + return HAL_BUSY; + } +} + + +/** + * @brief Change the DMA Buffer0 or Buffer1 address on the fly. + * @param hsd: pointer to a SD_HandleTypeDef structure. + * @param Buffer: the buffer to be changed, This parameter can be one of + * the following values: SD_DMA_BUFFER0 or SD_DMA_BUFFER1 + * @param pDataBuffer: The new address + * @note The BUFFER0 address can be changed only when the current transfer use + * BUFFER1 and the BUFFER1 address can be changed only when the current + * transfer use BUFFER0. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SDEx_ChangeDMABuffer(SD_HandleTypeDef *hsd, HAL_SDEx_DMABuffer_MemoryTypeDef Buffer, uint32_t *pDataBuffer) +{ + if(Buffer == SD_DMA_BUFFER0) + { + /* change the buffer0 address */ + hsd->Instance->IDMABASE0 = (uint32_t)pDataBuffer; + } + else + { + /* change the memory1 address */ + hsd->Instance->IDMABASE1 = (uint32_t)pDataBuffer; + } + + return HAL_OK; +} + + +/** + * @} + */ + +/** + * @} + */ + +#endif /* HAL_SD_MODULE_ENABLED */ + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3