X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=demos%2Fstm32f429_disco%2Fstm%2Fstm32f4_spl%2Fsrc%2Fstm32f4xx_ll_sdmmc.c;fp=demos%2Fstm32f429_disco%2Fstm%2Fstm32f4_spl%2Fsrc%2Fstm32f4xx_ll_sdmmc.c;h=0000000000000000000000000000000000000000;hb=26c97621007a91216a3067148982a416beed712e;hp=aaedb7062bf8e4066685484942218b14853137d1;hpb=d5cb40f453a0fd873dbcee924d120a0e683ffef2;p=lwext4.git diff --git a/demos/stm32f429_disco/stm/stm32f4_spl/src/stm32f4xx_ll_sdmmc.c b/demos/stm32f429_disco/stm/stm32f4_spl/src/stm32f4xx_ll_sdmmc.c deleted file mode 100644 index aaedb70..0000000 --- a/demos/stm32f429_disco/stm/stm32f4_spl/src/stm32f4xx_ll_sdmmc.c +++ /dev/null @@ -1,555 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f4xx_ll_sdmmc.c - * @author MCD Application Team - * @version V1.0.0 - * @date 18-February-2014 - * @brief SDMMC Low Layer HAL module driver. - * - * This file provides firmware functions to manage the following - * functionalities of the SDMMC peripheral: - * + Initialization/de-initialization functions - * + I/O operation functions - * + Peripheral Control functions - * + Peripheral State functions - * - @verbatim - ============================================================================== - ##### SDMMC peripheral features ##### - ============================================================================== - [..] The SD/SDIO MMC card host interface (SDIO) provides an interface between the APB2 - peripheral bus and MultiMedia cards (MMCs), SD memory cards, SDIO cards and CE-ATA - devices. - - [..] The MultiMedia Card system specifications are available through the MultiMedia Card - Association website at www.mmca.org, published by the MMCA technical committee. - SD memory card and SD I/O card system specifications are available through the SD card - Association website at www.sdcard.org. - CE-ATA system specifications are available through the CE-ATA work group web site at - www.ce-ata.org. - - [..] The SDIO features include the following: - (+) Full compliance with MultiMedia Card System Specification Version 4.2. Card support - for three different databus modes: 1-bit (default), 4-bit and 8-bit - (+) Full compatibility with previous versions of MultiMedia Cards (forward compatibility) - (+) Full compliance with SD Memory Card Specifications Version 2.0 - (+) Full compliance with SD I/O Card Specification Version 2.0: card support for two - different data bus modes: 1-bit (default) and 4-bit - (+) Full support of the CE-ATA features (full compliance with CE-ATA digital protocol - Rev1.1) - (+) Data transfer up to 48 MHz for the 8 bit mode - (+) Data and command output enable signals to control external bidirectional drivers. - - - ##### How to use this driver ##### - ============================================================================== - [..] - This driver is a considered as a driver of service for external devices drivers - that interfaces with the SDIO peripheral. - According to the device used (SD card/ MMC card / SDIO card ...), a set of APIs - is used in the device's driver to perform SDIO operations and functionalities. - - This driver is almost transparent for the final user, it is only used to implement other - functionalities of the external device. - - [..] - (+) The SDIO clock (SDIOCLK = 48 MHz) is coming from a specific output of PLL - (PLL48CLK). Before start working with SDIO peripheral make sure that the - PLL is well configured. - The SDIO peripheral uses two clock signals: - (++) SDIO adapter clock (SDIOCLK = 48 MHz) - (++) APB2 bus clock (PCLK2) - - -@@- PCLK2 and SDIO_CK clock frequencies must respect the following condition: - Frequency(PCLK2) >= (3 / 8 x Frequency(SDIO_CK)) - - (+) Enable/Disable peripheral clock using RCC peripheral macros related to SDIO - peripheral. - - (+) Enable the Power ON State using the HAL_SDIO_PowerState_ON(hsdio) - function and disable it using the function HAL_SDIO_PowerState_OFF(hsdio). - - (+) Enable/Disable the clock using the __SDIO_ENABLE()/__SDIO_DISABLE() macros. - - (+) Enable/Disable the peripheral interrupts using the macros __SDIO_ENABLE_IT(hsdio, IT) - and __SDIO_DISABLE_IT(hsdio, IT) if you need to use interrupt mode. - - (+) When using the DMA mode - (++) Configure the DMA in the MSP layer of the external device - (++) Active the needed channel Request - (++) Enable the DMA using __SDIO_DMA_ENABLE() macro or Disable it using the macro - __SDIO_DMA_DISABLE(). - - (+) To control the CPSM (Command Path State Machine) and send - commands to the card use the HAL_SDIO_SendCommand(), - HAL_SDIO_GetCommandResponse() and HAL_SDIO_GetResponse() functions. First, user has - to fill the command structure (pointer to SDIO_CmdInitTypeDef) according - to the selected command to be sent. - The parameters that should be filled are: - (++) Command Argument - (++) Command Index - (++) Command Response type - (++) Command Wait - (++) CPSM Status (Enable or Disable). - - -@@- To check if the command is well received, read the SDIO_CMDRESP - register using the HAL_SDIO_GetCommandResponse(). - The SDIO responses registers (SDIO_RESP1 to SDIO_RESP2), use the - HAL_SDIO_GetResponse() function. - - (+) To control the DPSM (Data Path State Machine) and send/receive - data to/from the card use the HAL_SDIO_DataConfig(), HAL_SDIO_GetDataCounter(), - HAL_SDIO_ReadFIFO(), HAL_SDIO_WriteFIFO() and HAL_SDIO_GetFIFOCount() functions. - - *** Read Operations *** - ======================= - [..] - (#) First, user has to fill the data structure (pointer to - SDIO_DataInitTypeDef) according to the selected data type to be received. - The parameters that should be filled are: - (++) Data TimeOut - (++) Data Length - (++) Data Block size - (++) Data Transfer direction: should be from card (To SDIO) - (++) Data Transfer mode - (++) DPSM Status (Enable or Disable) - - (#) Configure the SDIO resources to receive the data from the card - according to selected transfer mode (Refer to Step 8, 9 and 10). - - (#) Send the selected Read command (refer to step 11). - - (#) Use the SDIO flags/interrupts to check the transfer status. - - *** Write Operations *** - ======================== - [..] - (#) First, user has to fill the data structure (pointer to - SDIO_DataInitTypeDef) according to the selected data type to be received. - The parameters that should be filled are: - (++) Data TimeOut - (++) Data Length - (++) Data Block size - (++) Data Transfer direction: should be to card (To CARD) - (++) Data Transfer mode - (++) DPSM Status (Enable or Disable) - - (#) Configure the SDIO resources to send the data to the card according to - selected transfer mode (Refer to Step 8, 9 and 10). - - (#) Send the selected Write command (refer to step 11). - - (#) Use the SDIO flags/interrupts to check the transfer status. - - @endverbatim - ****************************************************************************** - * @attention - * - *

© COPYRIGHT(c) 2014 STMicroelectronics

- * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f4xx_hal.h" - -/** @addtogroup STM32F4xx_HAL_Driver - * @{ - */ - -/** @defgroup SDMMC - * @brief SDMMC HAL module driver - * @{ - */ - -#if defined (HAL_SD_MODULE_ENABLED) || defined(HAL_MMC_MODULE_ENABLED) - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/** @defgroup SDIO_Private_Functions - * @{ - */ - -/** @defgroup HAL_SDIO_Group1 Initialization/de-initialization functions - * @brief Initialization and Configuration functions - * -@verbatim - =============================================================================== - ##### Initialization/de-initialization functions ##### - =============================================================================== - [..] This section provides functions allowing to: - -@endverbatim - * @{ - */ - -/** - * @brief Initializes the SDIO according to the specified - * parameters in the SDIO_InitTypeDef and create the associated handle. - * @param SDIOx: Pointer to SDIO register base - * @param Init: SDIO initialization structure - * @retval HAL status - */ -HAL_StatusTypeDef SDIO_Init(SDIO_TypeDef *SDIOx, SDIO_InitTypeDef Init) -{ - __IO uint32_t tmpreg = 0; - - /* Check the parameters */ - assert_param(IS_SDIO_ALL_INSTANCE(SDIOx)); - assert_param(IS_SDIO_CLOCK_EDGE(Init.ClockEdge)); - assert_param(IS_SDIO_CLOCK_BYPASS(Init.ClockBypass)); - assert_param(IS_SDIO_CLOCK_POWER_SAVE(Init.ClockPowerSave)); - assert_param(IS_SDIO_BUS_WIDE(Init.BusWide)); - assert_param(IS_SDIO_HARDWARE_FLOW_CONTROL(Init.HardwareFlowControl)); - assert_param(IS_SDIO_CLKDIV(Init.ClockDiv)); - - /* Get the SDIO CLKCR value */ - tmpreg = SDIOx->CLKCR; - - /* Clear CLKDIV, PWRSAV, BYPASS, WIDBUS, NEGEDGE, HWFC_EN bits */ - tmpreg &= CLKCR_CLEAR_MASK; - - /* Set SDIO configuration parameters */ - tmpreg |= (Init.ClockEdge |\ - Init.ClockBypass |\ - Init.ClockPowerSave |\ - Init.BusWide |\ - Init.HardwareFlowControl |\ - Init.ClockDiv - ); - - /* Write to SDIO CLKCR */ - SDIOx->CLKCR = tmpreg; - - return HAL_OK; -} - - - -/** - * @} - */ - -/** @defgroup HAL_SDIO_Group2 I/O operation functions - * @brief Data transfers functions - * -@verbatim - =============================================================================== - ##### I/O operation functions ##### - =============================================================================== - [..] - This subsection provides a set of functions allowing to manage the SDIO data - transfers. - -@endverbatim - * @{ - */ - -/** - * @brief Read data (word) from Rx FIFO in blocking mode (polling) - * @param SDIOx: Pointer to SDIO register base - * @param ReadData: Data to read - * @retval HAL status - */ -uint32_t SDIO_ReadFIFO(SDIO_TypeDef *SDIOx) -{ - /* Read data from Rx FIFO */ - return (SDIOx->FIFO); -} - -/** - * @brief Write data (word) to Tx FIFO in blocking mode (polling) - * @param SDIOx: Pointer to SDIO register base - * @param pWriteData: pointer to data to write - * @retval HAL status - */ -HAL_StatusTypeDef SDIO_WriteFIFO(SDIO_TypeDef *SDIOx, uint32_t *pWriteData) -{ - /* Write data to FIFO */ - SDIOx->FIFO = *pWriteData; - - return HAL_OK; -} - -/** - * @} - */ - -/** @defgroup HAL_SDIO_Group3 Peripheral Control functions - * @brief management functions - * -@verbatim - =============================================================================== - ##### Peripheral Control functions ##### - =============================================================================== - [..] - This subsection provides a set of functions allowing to control the SDIO data - transfers. - -@endverbatim - * @{ - */ - -/** - * @brief Set SDIO Power state to ON. - * @param SDIOx: Pointer to SDIO register base - * @retval HAL status - */ -HAL_StatusTypeDef SDIO_PowerState_ON(SDIO_TypeDef *SDIOx) -{ - /* Set power state to ON */ - SDIOx->POWER = (uint32_t)0x00000003; - - return HAL_OK; -} - -/** - * @brief Set SDIO Power state to OFF. - * @param SDIOx: Pointer to SDIO register base - * @retval HAL status - */ -HAL_StatusTypeDef SDIO_PowerState_OFF(SDIO_TypeDef *SDIOx) -{ - /* Set power state to OFF */ - SDIOx->POWER = (uint32_t)0x00000000; - - return HAL_OK; -} - -/** - * @brief Get SDIO Power state. - * @param SDIOx: Pointer to SDIO register base - * @retval Power status of the controller. The returned value can be one of the - * following values: - * - 0x00: Power OFF - * - 0x02: Power UP - * - 0x03: Power ON - */ -uint32_t SDIO_GetPowerState(SDIO_TypeDef *SDIOx) -{ - return (SDIOx->POWER & (~PWR_PWRCTRL_MASK)); -} - -/** - * @brief Configure the SDIO command path according to the specified parameters in - * SDIO_CmdInitTypeDef structure and send the command - * @param SDIOx: Pointer to SDIO register base - * @param SDIO_CmdInitStruct: pointer to a SDIO_CmdInitTypeDef structure that contains - * the configuration information for the SDIO command - * @retval HAL status - */ -HAL_StatusTypeDef SDIO_SendCommand(SDIO_TypeDef *SDIOx, SDIO_CmdInitTypeDef *SDIO_CmdInitStruct) -{ - uint32_t tmpreg = 0; - - /* Check the parameters */ - assert_param(IS_SDIO_CMD_INDEX(SDIO_CmdInitStruct->CmdIndex)); - assert_param(IS_SDIO_RESPONSE(SDIO_CmdInitStruct->Response)); - assert_param(IS_SDIO_WAIT(SDIO_CmdInitStruct->WaitForInterrupt)); - assert_param(IS_SDIO_CPSM(SDIO_CmdInitStruct->CPSM)); - - /* Set the SDIO Argument value */ - SDIOx->ARG = SDIO_CmdInitStruct->Argument; - - /* SDIO CMD Configuration */ - /* Get the SDIO CMD value */ - tmpreg = SDIOx->CMD; - - /* Clear CMDINDEX, WAITRESP, WAITINT, WAITPEND, CPSMEN bits */ - tmpreg &= CMD_CLEAR_MASK; - - /* Set SDIO command parameters */ - tmpreg |= (uint32_t)(SDIO_CmdInitStruct->CmdIndex |\ - SDIO_CmdInitStruct->Response |\ - SDIO_CmdInitStruct->WaitForInterrupt |\ - SDIO_CmdInitStruct->CPSM); - - /* Write to SDIO CMD register */ - SDIOx->CMD = tmpreg; - - return HAL_OK; -} - -/** - * @brief Return the command index of last command for which response received - * @param SDIOx: Pointer to SDIO register base - * @retval Command index of the last command response received - */ -uint8_t SDIO_GetCommandResponse(SDIO_TypeDef *SDIOx) -{ - return (uint8_t)(SDIOx->RESPCMD); -} - - -/** - * @brief Return the response received from the card for the last command - * @param SDIO_RESP: Specifies the SDIO response register. - * This parameter can be one of the following values: - * @arg SDIO_RESP1: Response Register 1 - * @arg SDIO_RESP2: Response Register 2 - * @arg SDIO_RESP3: Response Register 3 - * @arg SDIO_RESP4: Response Register 4 - * @retval The Corresponding response register value - */ -uint32_t SDIO_GetResponse(uint32_t SDIO_RESP) -{ - __IO uint32_t tmp = 0; - - /* Check the parameters */ - assert_param(IS_SDIO_RESP(SDIO_RESP)); - - /* Get the response */ - tmp = SDIO_RESP_ADDR + SDIO_RESP; - - return (*(__IO uint32_t *) tmp); -} - -/** - * @brief Configure the SDIO data path according to the specified - * parameters in the SDIO_DataInitTypeDef. - * @param SDIOx: Pointer to SDIO register base - * @param SDIO_DataInitStruct : pointer to a SDIO_DataInitTypeDef structure - * that contains the configuration information for the SDIO command. - * @retval HAL status - */ -HAL_StatusTypeDef SDIO_DataConfig(SDIO_TypeDef *SDIOx, SDIO_DataInitTypeDef* SDIO_DataInitStruct) -{ - uint32_t tmpreg = 0; - - /* Check the parameters */ - assert_param(IS_SDIO_DATA_LENGTH(SDIO_DataInitStruct->DataLength)); - assert_param(IS_SDIO_BLOCK_SIZE(SDIO_DataInitStruct->DataBlockSize)); - assert_param(IS_SDIO_TRANSFER_DIR(SDIO_DataInitStruct->TransferDir)); - assert_param(IS_SDIO_TRANSFER_MODE(SDIO_DataInitStruct->TransferMode)); - assert_param(IS_SDIO_DPSM(SDIO_DataInitStruct->DPSM)); - - /* Set the SDIO Data TimeOut value */ - SDIOx->DTIMER = SDIO_DataInitStruct->DataTimeOut; - - /* Set the SDIO DataLength value */ - SDIOx->DLEN = SDIO_DataInitStruct->DataLength; - -/* SDIO DCTRL Configuration */ - /* Get the SDIO DCTRL value */ - tmpreg = SDIOx->DCTRL; - - /* Clear DEN, DTMODE, DTDIR and DBCKSIZE bits */ - tmpreg &= DCTRL_CLEAR_MASK; - - /* Set the SDIO data configuration parameters */ - tmpreg |= (uint32_t)(SDIO_DataInitStruct->DataBlockSize |\ - SDIO_DataInitStruct->TransferDir |\ - SDIO_DataInitStruct->TransferMode |\ - SDIO_DataInitStruct->DPSM); - - /* Write to SDIO DCTRL */ - SDIOx->DCTRL = tmpreg; - - return HAL_OK; - -} - -/** - * @brief Returns number of remaining data bytes to be transferred. - * @param SDIOx: Pointer to SDIO register base - * @retval Number of remaining data bytes to be transferred - */ -uint32_t SDIO_GetDataCounter(SDIO_TypeDef *SDIOx) -{ - return (SDIOx->DCOUNT); -} - -/** - * @brief Get the FIFO data - * @param hsdio: SDIO handle - * @retval Data received - */ -uint32_t SDIO_GetFIFOCount(SDIO_TypeDef *SDIOx) -{ - return (SDIOx->FIFO); -} - - -/** - * @brief Sets one of the two options of inserting read wait interval. - * @param SDIO_ReadWaitMode: SD I/O Read Wait operation mode. - * This parameter can be: - * @arg SDIO_READ_WAIT_MODE_CLK: Read Wait control by stopping SDIOCLK - * @arg SDIO_READ_WAIT_MODE_DATA2: Read Wait control using SDIO_DATA2 - * @retval None - */ -HAL_StatusTypeDef SDIO_SetSDIOReadWaitMode(uint32_t SDIO_ReadWaitMode) -{ - /* Check the parameters */ - assert_param(IS_SDIO_READWAIT_MODE(SDIO_ReadWaitMode)); - - *(__IO uint32_t *)DCTRL_RWMOD_BB = SDIO_ReadWaitMode; - - return HAL_OK; -} - - -/** - * @} - */ - -/** @defgroup HAL_SDIO_Group3 Peripheral State functions - * @brief Peripheral State functions - * -@verbatim - =============================================================================== - ##### Peripheral State functions ##### - =============================================================================== - [..] - This subsection permit to get in runtime the status of the SDIO peripheral - and the data flow. - -@endverbatim - * @{ - */ - -/** - * @} - */ - -/** - * @} - */ - -#endif /* (HAL_SD_MODULE_ENABLED) || (HAL_MMC_MODULE_ENABLED) */ -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/