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  1. /**
  2.   ******************************************************************************
  3.   * @file    stm32f1xx_hal_mmc.c
  4.   * @author  MCD Application Team
  5.   * @brief   MMC card HAL module driver.
  6.   *          This file provides firmware functions to manage the following
  7.   *          functionalities of the Secure Digital (MMC) peripheral:
  8.   *           + Initialization and de-initialization functions
  9.   *           + IO operation functions
  10.   *           + Peripheral Control functions
  11.   *           + MMC card Control functions
  12.   *
  13.   ******************************************************************************
  14.   * @attention
  15.   *
  16.   * Copyright (c) 2016 STMicroelectronics.
  17.   * All rights reserved.
  18.   *
  19.   * This software is licensed under terms that can be found in the LICENSE file
  20.   * in the root directory of this software component.
  21.   * If no LICENSE file comes with this software, it is provided AS-IS.
  22.   *
  23.   ******************************************************************************
  24.   @verbatim
  25.   ==============================================================================
  26.                         ##### How to use this driver #####
  27.   ==============================================================================
  28.   [..]
  29.     This driver implements a high level communication layer for read and write from/to
  30.     this memory. The needed STM32 hardware resources (SDMMC and GPIO) are performed by
  31.     the user in HAL_MMC_MspInit() function (MSP layer).
  32.     Basically, the MSP layer configuration should be the same as we provide in the
  33.     examples.
  34.     You can easily tailor this configuration according to hardware resources.
  35.  
  36.   [..]
  37.     This driver is a generic layered driver for SDMMC memories which uses the HAL
  38.     SDMMC driver functions to interface with MMC and eMMC cards devices.
  39.     It is used as follows:
  40.  
  41.     (#)Initialize the SDMMC low level resources by implement the HAL_MMC_MspInit() API:
  42.         (##) Enable the SDMMC interface clock using __HAL_RCC_SDMMC_CLK_ENABLE();
  43.         (##) SDMMC pins configuration for MMC card
  44.             (+++) Enable the clock for the SDMMC GPIOs using the functions __HAL_RCC_GPIOx_CLK_ENABLE();
  45.             (+++) Configure these SDMMC pins as alternate function pull-up using HAL_GPIO_Init()
  46.                   and according to your pin assignment;
  47.         (##) DMA Configuration if you need to use DMA process (HAL_MMC_ReadBlocks_DMA()
  48.              and HAL_MMC_WriteBlocks_DMA() APIs).
  49.             (+++) Enable the DMAx interface clock using __HAL_RCC_DMAx_CLK_ENABLE();
  50.             (+++) Configure the DMA using the function HAL_DMA_Init() with predeclared and filled.
  51.         (##) NVIC configuration if you need to use interrupt process when using DMA transfer.
  52.             (+++) Configure the SDMMC and DMA interrupt priorities using function HAL_NVIC_SetPriority();
  53.                   DMA priority is superior to SDMMC's priority
  54.             (+++) Enable the NVIC DMA and SDMMC IRQs using function HAL_NVIC_EnableIRQ()
  55.             (+++) SDMMC interrupts are managed using the macros __HAL_MMC_ENABLE_IT()
  56.                   and __HAL_MMC_DISABLE_IT() inside the communication process.
  57.             (+++) SDMMC interrupts pending bits are managed using the macros __HAL_MMC_GET_IT()
  58.                   and __HAL_MMC_CLEAR_IT()
  59.         (##) NVIC configuration if you need to use interrupt process (HAL_MMC_ReadBlocks_IT()
  60.              and HAL_MMC_WriteBlocks_IT() APIs).
  61.             (+++) Configure the SDMMC interrupt priorities using function HAL_NVIC_SetPriority();
  62.             (+++) Enable the NVIC SDMMC IRQs using function HAL_NVIC_EnableIRQ()
  63.             (+++) SDMMC interrupts are managed using the macros __HAL_MMC_ENABLE_IT()
  64.                   and __HAL_MMC_DISABLE_IT() inside the communication process.
  65.             (+++) SDMMC interrupts pending bits are managed using the macros __HAL_MMC_GET_IT()
  66.                   and __HAL_MMC_CLEAR_IT()
  67.     (#) At this stage, you can perform MMC read/write/erase operations after MMC card initialization
  68.  
  69.  
  70.   *** MMC Card Initialization and configuration ***
  71.   ================================================
  72.   [..]
  73.     To initialize the MMC Card, use the HAL_MMC_Init() function. It Initializes
  74.     SDMMC Peripheral (STM32 side) and the MMC Card, and put it into StandBy State (Ready for data transfer).
  75.     This function provide the following operations:
  76.  
  77.     (#) Initialize the SDMMC peripheral interface with default configuration.
  78.         The initialization process is done at 400KHz. You can change or adapt
  79.         this frequency by adjusting the "ClockDiv" field.
  80.         The MMC Card frequency (SDMMC_CK) is computed as follows:
  81.  
  82.            SDMMC_CK = SDMMCCLK / (ClockDiv + 2)
  83.  
  84.         In initialization mode and according to the MMC Card standard,
  85.         make sure that the SDMMC_CK frequency doesn't exceed 400KHz.
  86.  
  87.         This phase of initialization is done through SDMMC_Init() and
  88.         SDMMC_PowerState_ON() SDMMC low level APIs.
  89.  
  90.     (#) Initialize the MMC card. The API used is HAL_MMC_InitCard().
  91.         This phase allows the card initialization and identification
  92.         and check the MMC Card type (Standard Capacity or High Capacity)
  93.         The initialization flow is compatible with MMC standard.
  94.  
  95.         This API (HAL_MMC_InitCard()) could be used also to reinitialize the card in case
  96.         of plug-off plug-in.
  97.  
  98.     (#) Configure the MMC Card Data transfer frequency. By Default, the card transfer
  99.         frequency is set to 24MHz. You can change or adapt this frequency by adjusting
  100.         the "ClockDiv" field.
  101.         In transfer mode and according to the MMC Card standard, make sure that the
  102.         SDMMC_CK frequency doesn't exceed 25MHz and 50MHz in High-speed mode switch.
  103.         To be able to use a frequency higher than 24MHz, you should use the SDMMC
  104.         peripheral in bypass mode. Refer to the corresponding reference manual
  105.         for more details.
  106.  
  107.     (#) Select the corresponding MMC Card according to the address read with the step 2.
  108.  
  109.     (#) Configure the MMC Card in wide bus mode: 4-bits data.
  110.  
  111.   *** MMC Card Read operation ***
  112.   ==============================
  113.   [..]
  114.     (+) You can read from MMC card in polling mode by using function HAL_MMC_ReadBlocks().
  115.         This function support only 512-bytes block length (the block size should be
  116.         chosen as 512 bytes).
  117.         You can choose either one block read operation or multiple block read operation
  118.         by adjusting the "NumberOfBlocks" parameter.
  119.         After this, you have to ensure that the transfer is done correctly. The check is done
  120.         through HAL_MMC_GetCardState() function for MMC card state.
  121.  
  122.     (+) You can read from MMC card in DMA mode by using function HAL_MMC_ReadBlocks_DMA().
  123.         This function support only 512-bytes block length (the block size should be
  124.         chosen as 512 bytes).
  125.         You can choose either one block read operation or multiple block read operation
  126.         by adjusting the "NumberOfBlocks" parameter.
  127.         After this, you have to ensure that the transfer is done correctly. The check is done
  128.         through HAL_MMC_GetCardState() function for MMC card state.
  129.         You could also check the DMA transfer process through the MMC Rx interrupt event.
  130.  
  131.     (+) You can read from MMC card in Interrupt mode by using function HAL_MMC_ReadBlocks_IT().
  132.         This function allows the read of 512 bytes blocks.
  133.         You can choose either one block read operation or multiple block read operation
  134.         by adjusting the "NumberOfBlocks" parameter.
  135.         After this, you have to ensure that the transfer is done correctly. The check is done
  136.         through HAL_MMC_GetCardState() function for MMC card state.
  137.         You could also check the IT transfer process through the MMC Rx interrupt event.
  138.  
  139.   *** MMC Card Write operation ***
  140.   ===============================
  141.   [..]
  142.     (+) You can write to MMC card in polling mode by using function HAL_MMC_WriteBlocks().
  143.         This function support only 512-bytes block length (the block size should be
  144.         chosen as 512 bytes).
  145.         You can choose either one block read operation or multiple block read operation
  146.         by adjusting the "NumberOfBlocks" parameter.
  147.         After this, you have to ensure that the transfer is done correctly. The check is done
  148.         through HAL_MMC_GetCardState() function for MMC card state.
  149.  
  150.     (+) You can write to MMC card in DMA mode by using function HAL_MMC_WriteBlocks_DMA().
  151.         This function support only 512-bytes block length (the block size should be
  152.         chosen as 512 byte).
  153.         You can choose either one block read operation or multiple block read operation
  154.         by adjusting the "NumberOfBlocks" parameter.
  155.         After this, you have to ensure that the transfer is done correctly. The check is done
  156.         through HAL_MMC_GetCardState() function for MMC card state.
  157.         You could also check the DMA transfer process through the MMC Tx interrupt event.  
  158.  
  159.     (+) You can write to MMC card in Interrupt mode by using function HAL_MMC_WriteBlocks_IT().
  160.         This function allows the read of 512 bytes blocks.
  161.         You can choose either one block read operation or multiple block read operation
  162.         by adjusting the "NumberOfBlocks" parameter.
  163.         After this, you have to ensure that the transfer is done correctly. The check is done
  164.         through HAL_MMC_GetCardState() function for MMC card state.
  165.         You could also check the IT transfer process through the MMC Tx interrupt event.
  166.  
  167.   *** MMC card information ***
  168.   ===========================
  169.   [..]
  170.     (+) To get MMC card information, you can use the function HAL_MMC_GetCardInfo().
  171.         It returns useful information about the MMC card such as block size, card type,
  172.         block number ...
  173.  
  174.   *** MMC card CSD register ***
  175.   ============================
  176.   [..]
  177.     (+) The HAL_MMC_GetCardCSD() API allows to get the parameters of the CSD register.
  178.         Some of the CSD parameters are useful for card initialization and identification.
  179.  
  180.   *** MMC card CID register ***
  181.   ============================
  182.   [..]
  183.     (+) The HAL_MMC_GetCardCID() API allows to get the parameters of the CID register.
  184.         Some of the CID parameters are useful for card initialization and identification.
  185.  
  186.   *** MMC HAL driver macros list ***
  187.   ==================================
  188.   [..]
  189.     Below the list of most used macros in MMC HAL driver.
  190.  
  191.     (+) __HAL_MMC_ENABLE : Enable the MMC device
  192.     (+) __HAL_MMC_DISABLE : Disable the MMC device
  193.     (+) __HAL_MMC_DMA_ENABLE: Enable the SDMMC DMA transfer
  194.     (+) __HAL_MMC_DMA_DISABLE: Disable the SDMMC DMA transfer
  195.     (+) __HAL_MMC_ENABLE_IT: Enable the MMC device interrupt
  196.     (+) __HAL_MMC_DISABLE_IT: Disable the MMC device interrupt
  197.     (+) __HAL_MMC_GET_FLAG:Check whether the specified MMC flag is set or not
  198.     (+) __HAL_MMC_CLEAR_FLAG: Clear the MMC's pending flags
  199.  
  200.   [..]
  201.     (@) You can refer to the MMC HAL driver header file for more useful macros
  202.  
  203.   *** Callback registration ***
  204.   =============================================
  205.   [..]
  206.     The compilation define USE_HAL_MMC_REGISTER_CALLBACKS when set to 1
  207.     allows the user to configure dynamically the driver callbacks.
  208.  
  209.     Use Functions HAL_MMC_RegisterCallback() to register a user callback,
  210.     it allows to register following callbacks:
  211.       (+) TxCpltCallback : callback when a transmission transfer is completed.
  212.       (+) RxCpltCallback : callback when a reception transfer is completed.
  213.       (+) ErrorCallback : callback when error occurs.
  214.       (+) AbortCpltCallback : callback when abort is completed.
  215.       (+) MspInitCallback    : MMC MspInit.
  216.       (+) MspDeInitCallback  : MMC MspDeInit.
  217.     This function takes as parameters the HAL peripheral handle, the Callback ID
  218.     and a pointer to the user callback function.
  219.  
  220.     Use function HAL_MMC_UnRegisterCallback() to reset a callback to the default
  221.     weak (surcharged) function. It allows to reset following callbacks:
  222.       (+) TxCpltCallback : callback when a transmission transfer is completed.
  223.       (+) RxCpltCallback : callback when a reception transfer is completed.
  224.       (+) ErrorCallback : callback when error occurs.
  225.       (+) AbortCpltCallback : callback when abort is completed.
  226.       (+) MspInitCallback    : MMC MspInit.
  227.       (+) MspDeInitCallback  : MMC MspDeInit.
  228.     This function) takes as parameters the HAL peripheral handle and the Callback ID.
  229.  
  230.     By default, after the HAL_MMC_Init and if the state is HAL_MMC_STATE_RESET
  231.     all callbacks are reset to the corresponding legacy weak (surcharged) functions.
  232.     Exception done for MspInit and MspDeInit callbacks that are respectively
  233.     reset to the legacy weak (surcharged) functions in the HAL_MMC_Init
  234.     and  HAL_MMC_DeInit only when these callbacks are null (not registered beforehand).
  235.     If not, MspInit or MspDeInit are not null, the HAL_MMC_Init and HAL_MMC_DeInit
  236.     keep and use the user MspInit/MspDeInit callbacks (registered beforehand)
  237.  
  238.     Callbacks can be registered/unregistered in READY state only.
  239.     Exception done for MspInit/MspDeInit callbacks that can be registered/unregistered
  240.     in READY or RESET state, thus registered (user) MspInit/DeInit callbacks can be used
  241.     during the Init/DeInit.
  242.     In that case first register the MspInit/MspDeInit user callbacks
  243.     using HAL_MMC_RegisterCallback before calling HAL_MMC_DeInit
  244.     or HAL_MMC_Init function.
  245.  
  246.     When The compilation define USE_HAL_MMC_REGISTER_CALLBACKS is set to 0 or
  247.     not defined, the callback registering feature is not available
  248.     and weak (surcharged) callbacks are used.
  249.  
  250.   @endverbatim
  251.   ******************************************************************************
  252.   */
  253.  
  254. /* Includes ------------------------------------------------------------------*/
  255. #include "stm32f1xx_hal.h"
  256.  
  257. /** @addtogroup STM32F1xx_HAL_Driver
  258.   * @{
  259.   */
  260.  
  261. /** @defgroup MMC MMC
  262.   * @brief MMC HAL module driver
  263.   * @{
  264.   */
  265.  
  266. #ifdef HAL_MMC_MODULE_ENABLED
  267.  
  268. #if defined(SDIO)
  269.  
  270. /* Private typedef -----------------------------------------------------------*/
  271. /* Private define ------------------------------------------------------------*/
  272. /** @addtogroup MMC_Private_Defines
  273.   * @{
  274.   */
  275. #if defined (VDD_VALUE) && (VDD_VALUE <= 1950U)
  276. #define MMC_VOLTAGE_RANGE               EMMC_LOW_VOLTAGE_RANGE
  277.  
  278. #define MMC_EXT_CSD_PWR_CL_26_INDEX     201
  279. #define MMC_EXT_CSD_PWR_CL_52_INDEX     200
  280. #define MMC_EXT_CSD_PWR_CL_DDR_52_INDEX 238
  281.  
  282. #define MMC_EXT_CSD_PWR_CL_26_POS       8
  283. #define MMC_EXT_CSD_PWR_CL_52_POS       0
  284. #define MMC_EXT_CSD_PWR_CL_DDR_52_POS   16
  285. #else
  286. #define MMC_VOLTAGE_RANGE               EMMC_HIGH_VOLTAGE_RANGE
  287.  
  288. #define MMC_EXT_CSD_PWR_CL_26_INDEX     203
  289. #define MMC_EXT_CSD_PWR_CL_52_INDEX     202
  290. #define MMC_EXT_CSD_PWR_CL_DDR_52_INDEX 239
  291.  
  292. #define MMC_EXT_CSD_PWR_CL_26_POS       24
  293. #define MMC_EXT_CSD_PWR_CL_52_POS       16
  294. #define MMC_EXT_CSD_PWR_CL_DDR_52_POS   24
  295. #endif
  296.  
  297. /* Frequencies used in the driver for clock divider calculation */
  298. #define MMC_INIT_FREQ                   400000U   /* Initialization phase : 400 kHz max */
  299. /**
  300.   * @}
  301.   */
  302.  
  303. /* Private macro -------------------------------------------------------------*/
  304. /* Private variables ---------------------------------------------------------*/
  305. /* Private function prototypes -----------------------------------------------*/
  306. /* Private functions ---------------------------------------------------------*/
  307. /** @defgroup MMC_Private_Functions MMC Private Functions
  308.   * @{
  309.   */
  310. static uint32_t MMC_InitCard(MMC_HandleTypeDef *hmmc);
  311. static uint32_t MMC_PowerON(MMC_HandleTypeDef *hmmc);
  312. static uint32_t MMC_SendStatus(MMC_HandleTypeDef *hmmc, uint32_t *pCardStatus);
  313. static uint32_t MMC_ReadExtCSD(MMC_HandleTypeDef *hmmc, uint32_t *pFieldData, uint16_t FieldIndex, uint32_t Timeout);
  314. static void     MMC_PowerOFF(MMC_HandleTypeDef *hmmc);
  315. static void     MMC_Write_IT(MMC_HandleTypeDef *hmmc);
  316. static void     MMC_Read_IT(MMC_HandleTypeDef *hmmc);
  317. static void     MMC_DMATransmitCplt(DMA_HandleTypeDef *hdma);
  318. static void     MMC_DMAReceiveCplt(DMA_HandleTypeDef *hdma);
  319. static void     MMC_DMAError(DMA_HandleTypeDef *hdma);
  320. static void     MMC_DMATxAbort(DMA_HandleTypeDef *hdma);
  321. static void     MMC_DMARxAbort(DMA_HandleTypeDef *hdma);
  322. static uint32_t MMC_PwrClassUpdate(MMC_HandleTypeDef *hmmc, uint32_t Wide);
  323. /**
  324.   * @}
  325.   */
  326. /* Exported functions --------------------------------------------------------*/
  327. /** @addtogroup MMC_Exported_Functions
  328.   * @{
  329.   */
  330.  
  331. /** @addtogroup MMC_Exported_Functions_Group1
  332.  *  @brief   Initialization and de-initialization functions
  333.  *
  334. @verbatim
  335.   ==============================================================================
  336.           ##### Initialization and de-initialization functions #####
  337.   ==============================================================================
  338.   [..]
  339.     This section provides functions allowing to initialize/de-initialize the MMC
  340.     card device to be ready for use.
  341.  
  342. @endverbatim
  343.   * @{
  344.   */
  345.  
  346. /**
  347.   * @brief  Initializes the MMC according to the specified parameters in the
  348.             MMC_HandleTypeDef and create the associated handle.
  349.   * @param  hmmc: Pointer to the MMC handle
  350.   * @retval HAL status
  351.   */
  352. HAL_StatusTypeDef HAL_MMC_Init(MMC_HandleTypeDef *hmmc)
  353. {
  354.   /* Check the MMC handle allocation */
  355.   if(hmmc == NULL)
  356.   {
  357.     return HAL_ERROR;
  358.   }
  359.  
  360.   /* Check the parameters */
  361.   assert_param(IS_SDIO_ALL_INSTANCE(hmmc->Instance));
  362.   assert_param(IS_SDIO_CLOCK_EDGE(hmmc->Init.ClockEdge));
  363.   assert_param(IS_SDIO_CLOCK_BYPASS(hmmc->Init.ClockBypass));
  364.   assert_param(IS_SDIO_CLOCK_POWER_SAVE(hmmc->Init.ClockPowerSave));
  365.   assert_param(IS_SDIO_BUS_WIDE(hmmc->Init.BusWide));
  366.   assert_param(IS_SDIO_HARDWARE_FLOW_CONTROL(hmmc->Init.HardwareFlowControl));
  367.   assert_param(IS_SDIO_CLKDIV(hmmc->Init.ClockDiv));
  368.  
  369.   if(hmmc->State == HAL_MMC_STATE_RESET)
  370.   {
  371.     /* Allocate lock resource and initialize it */
  372.     hmmc->Lock = HAL_UNLOCKED;
  373. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  374.     /* Reset Callback pointers in HAL_MMC_STATE_RESET only */
  375.     hmmc->TxCpltCallback    = HAL_MMC_TxCpltCallback;
  376.     hmmc->RxCpltCallback    = HAL_MMC_RxCpltCallback;
  377.     hmmc->ErrorCallback     = HAL_MMC_ErrorCallback;
  378.     hmmc->AbortCpltCallback = HAL_MMC_AbortCallback;
  379.  
  380.     if(hmmc->MspInitCallback == NULL)
  381.     {
  382.       hmmc->MspInitCallback = HAL_MMC_MspInit;
  383.     }
  384.  
  385.     /* Init the low level hardware */
  386.     hmmc->MspInitCallback(hmmc);
  387. #else
  388.     /* Init the low level hardware : GPIO, CLOCK, CORTEX...etc */
  389.     HAL_MMC_MspInit(hmmc);
  390. #endif
  391.   }
  392.  
  393.   hmmc->State = HAL_MMC_STATE_BUSY;
  394.  
  395.   /* Initialize the Card parameters */
  396.   if(HAL_MMC_InitCard(hmmc) == HAL_ERROR)
  397.   {
  398.     return HAL_ERROR;
  399.   }
  400.  
  401.   /* Initialize the error code */
  402.   hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
  403.  
  404.   /* Initialize the MMC operation */
  405.   hmmc->Context = MMC_CONTEXT_NONE;
  406.  
  407.   /* Initialize the MMC state */
  408.   hmmc->State = HAL_MMC_STATE_READY;
  409.  
  410.   /* Configure bus width */
  411.   if (hmmc->Init.BusWide != SDIO_BUS_WIDE_1B)
  412.   {
  413.     if (HAL_MMC_ConfigWideBusOperation(hmmc, hmmc->Init.BusWide) != HAL_OK)
  414.     {
  415.       return HAL_ERROR;
  416.     }
  417.   }
  418.  
  419.   return HAL_OK;
  420. }
  421.  
  422. /**
  423.   * @brief  Initializes the MMC Card.
  424.   * @param  hmmc: Pointer to MMC handle
  425.   * @note   This function initializes the MMC card. It could be used when a card
  426.             re-initialization is needed.
  427.   * @retval HAL status
  428.   */
  429. HAL_StatusTypeDef HAL_MMC_InitCard(MMC_HandleTypeDef *hmmc)
  430. {
  431.   uint32_t errorstate;
  432.   MMC_InitTypeDef Init;
  433.   HAL_StatusTypeDef status;
  434.  
  435.   /* Default SDIO peripheral configuration for MMC card initialization */
  436.   Init.ClockEdge           = SDIO_CLOCK_EDGE_RISING;
  437.   Init.ClockBypass         = SDIO_CLOCK_BYPASS_DISABLE;
  438.   Init.ClockPowerSave      = SDIO_CLOCK_POWER_SAVE_DISABLE;
  439.   Init.BusWide             = SDIO_BUS_WIDE_1B;
  440.   Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
  441.   Init.ClockDiv            = SDIO_INIT_CLK_DIV;
  442.  
  443.   /* Initialize SDIO peripheral interface with default configuration */
  444.   status = SDIO_Init(hmmc->Instance, Init);
  445.   if(status == HAL_ERROR)
  446.   {
  447.     return HAL_ERROR;
  448.   }
  449.  
  450.   /* Disable SDIO Clock */
  451.   __HAL_MMC_DISABLE(hmmc);
  452.  
  453.   /* Set Power State to ON */
  454.   status = SDIO_PowerState_ON(hmmc->Instance);
  455.   if(status == HAL_ERROR)
  456.   {
  457.     return HAL_ERROR;
  458.   }
  459.  
  460.   /* Enable MMC Clock */
  461.   __HAL_MMC_ENABLE(hmmc);
  462.  
  463.   /* Required power up waiting time before starting the MMC initialization  sequence */
  464.   HAL_Delay(2);
  465.  
  466.   /* Identify card operating voltage */
  467.   errorstate = MMC_PowerON(hmmc);
  468.   if(errorstate != HAL_MMC_ERROR_NONE)
  469.   {
  470.     hmmc->State = HAL_MMC_STATE_READY;
  471.     hmmc->ErrorCode |= errorstate;
  472.     return HAL_ERROR;
  473.   }
  474.  
  475.   /* Card initialization */
  476.   errorstate = MMC_InitCard(hmmc);
  477.   if(errorstate != HAL_MMC_ERROR_NONE)
  478.   {
  479.     hmmc->State = HAL_MMC_STATE_READY;
  480.     hmmc->ErrorCode |= errorstate;
  481.     return HAL_ERROR;
  482.   }
  483.  
  484.   /* Set Block Size for Card */
  485.   errorstate = SDMMC_CmdBlockLength(hmmc->Instance, MMC_BLOCKSIZE);
  486.   if(errorstate != HAL_MMC_ERROR_NONE)
  487.   {
  488.     /* Clear all the static flags */
  489.     __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  490.     hmmc->ErrorCode |= errorstate;
  491.     hmmc->State = HAL_MMC_STATE_READY;
  492.     return HAL_ERROR;
  493.   }
  494.  
  495.   return HAL_OK;
  496. }
  497.  
  498. /**
  499.   * @brief  De-Initializes the MMC card.
  500.   * @param  hmmc: Pointer to MMC handle
  501.   * @retval HAL status
  502.   */
  503. HAL_StatusTypeDef HAL_MMC_DeInit(MMC_HandleTypeDef *hmmc)
  504. {
  505.   /* Check the MMC handle allocation */
  506.   if(hmmc == NULL)
  507.   {
  508.     return HAL_ERROR;
  509.   }
  510.  
  511.   /* Check the parameters */
  512.   assert_param(IS_SDIO_ALL_INSTANCE(hmmc->Instance));
  513.  
  514.   hmmc->State = HAL_MMC_STATE_BUSY;
  515.  
  516.   /* Set MMC power state to off */
  517.   MMC_PowerOFF(hmmc);
  518.  
  519. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  520.   if(hmmc->MspDeInitCallback == NULL)
  521.   {
  522.     hmmc->MspDeInitCallback = HAL_MMC_MspDeInit;
  523.   }
  524.  
  525.   /* DeInit the low level hardware */
  526.   hmmc->MspDeInitCallback(hmmc);
  527. #else
  528.   /* De-Initialize the MSP layer */
  529.   HAL_MMC_MspDeInit(hmmc);
  530. #endif
  531.  
  532.   hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
  533.   hmmc->State = HAL_MMC_STATE_RESET;
  534.  
  535.   return HAL_OK;
  536. }
  537.  
  538.  
  539. /**
  540.   * @brief  Initializes the MMC MSP.
  541.   * @param  hmmc: Pointer to MMC handle
  542.   * @retval None
  543.   */
  544. __weak void HAL_MMC_MspInit(MMC_HandleTypeDef *hmmc)
  545. {
  546.   /* Prevent unused argument(s) compilation warning */
  547.   UNUSED(hmmc);
  548.  
  549.   /* NOTE : This function Should not be modified, when the callback is needed,
  550.             the HAL_MMC_MspInit could be implemented in the user file
  551.    */
  552. }
  553.  
  554. /**
  555.   * @brief  De-Initialize MMC MSP.
  556.   * @param  hmmc: Pointer to MMC handle
  557.   * @retval None
  558.   */
  559. __weak void HAL_MMC_MspDeInit(MMC_HandleTypeDef *hmmc)
  560. {
  561.   /* Prevent unused argument(s) compilation warning */
  562.   UNUSED(hmmc);
  563.  
  564.   /* NOTE : This function Should not be modified, when the callback is needed,
  565.             the HAL_MMC_MspDeInit could be implemented in the user file
  566.    */
  567. }
  568.  
  569. /**
  570.   * @}
  571.   */
  572.  
  573. /** @addtogroup MMC_Exported_Functions_Group2
  574.  *  @brief   Data transfer functions
  575.  *
  576. @verbatim
  577.   ==============================================================================
  578.                         ##### IO operation functions #####
  579.   ==============================================================================
  580.   [..]
  581.     This subsection provides a set of functions allowing to manage the data
  582.     transfer from/to MMC card.
  583.  
  584. @endverbatim
  585.   * @{
  586.   */
  587.  
  588. /**
  589.   * @brief  Reads block(s) from a specified address in a card. The Data transfer
  590.   *         is managed by polling mode.
  591.   * @note   This API should be followed by a check on the card state through
  592.   *         HAL_MMC_GetCardState().
  593.   * @param  hmmc: Pointer to MMC handle
  594.   * @param  pData: pointer to the buffer that will contain the received data
  595.   * @param  BlockAdd: Block Address from where data is to be read
  596.   * @param  NumberOfBlocks: Number of MMC blocks to read
  597.   * @param  Timeout: Specify timeout value
  598.   * @retval HAL status
  599.   */
  600. HAL_StatusTypeDef HAL_MMC_ReadBlocks(MMC_HandleTypeDef *hmmc, uint8_t *pData, uint32_t BlockAdd, uint32_t NumberOfBlocks, uint32_t Timeout)
  601. {
  602.   SDIO_DataInitTypeDef config;
  603.   uint32_t errorstate;
  604.   uint32_t tickstart = HAL_GetTick();
  605.   uint32_t count, data, dataremaining;
  606.   uint32_t add = BlockAdd;
  607.   uint8_t *tempbuff = pData;
  608.  
  609.   if(NULL == pData)
  610.   {
  611.     hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
  612.     return HAL_ERROR;
  613.   }
  614.  
  615.   if(hmmc->State == HAL_MMC_STATE_READY)
  616.   {
  617.     hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
  618.  
  619.     if((BlockAdd + NumberOfBlocks) > (hmmc->MmcCard.LogBlockNbr))
  620.     {
  621.       hmmc->ErrorCode |= HAL_MMC_ERROR_ADDR_OUT_OF_RANGE;
  622.       return HAL_ERROR;
  623.     }
  624.  
  625.     hmmc->State = HAL_MMC_STATE_BUSY;
  626.  
  627.     /* Initialize data control register */
  628.     hmmc->Instance->DCTRL = 0U;
  629.  
  630.     if ((hmmc->MmcCard.CardType) != MMC_HIGH_CAPACITY_CARD)
  631.     {
  632.       add *= 512U;
  633.     }
  634.  
  635.     /* Configure the MMC DPSM (Data Path State Machine) */
  636.     config.DataTimeOut   = SDMMC_DATATIMEOUT;
  637.     config.DataLength    = NumberOfBlocks * MMC_BLOCKSIZE;
  638.     config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
  639.     config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
  640.     config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
  641.     config.DPSM          = SDIO_DPSM_ENABLE;
  642.     (void)SDIO_ConfigData(hmmc->Instance, &config);
  643.  
  644.     /* Read block(s) in polling mode */
  645.     if(NumberOfBlocks > 1U)
  646.     {
  647.       hmmc->Context = MMC_CONTEXT_READ_MULTIPLE_BLOCK;
  648.  
  649.       /* Read Multi Block command */
  650.       errorstate = SDMMC_CmdReadMultiBlock(hmmc->Instance, add);
  651.     }
  652.     else
  653.     {
  654.       hmmc->Context = MMC_CONTEXT_READ_SINGLE_BLOCK;
  655.  
  656.       /* Read Single Block command */
  657.       errorstate = SDMMC_CmdReadSingleBlock(hmmc->Instance, add);
  658.     }
  659.     if(errorstate != HAL_MMC_ERROR_NONE)
  660.     {
  661.       /* Clear all the static flags */
  662.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  663.       hmmc->ErrorCode |= errorstate;
  664.       hmmc->State = HAL_MMC_STATE_READY;
  665.       return HAL_ERROR;
  666.     }
  667.  
  668.     /* Poll on SDIO flags */
  669.     dataremaining = config.DataLength;
  670.     while(!__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DATAEND | SDIO_FLAG_STBITERR))
  671.     {
  672.       if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXFIFOHF) && (dataremaining > 0U))
  673.       {
  674.         /* Read data from SDIO Rx FIFO */
  675.         for(count = 0U; count < 8U; count++)
  676.         {
  677.           data = SDIO_ReadFIFO(hmmc->Instance);
  678.           *tempbuff = (uint8_t)(data & 0xFFU);
  679.           tempbuff++;
  680.           dataremaining--;
  681.           *tempbuff = (uint8_t)((data >> 8U) & 0xFFU);
  682.           tempbuff++;
  683.           dataremaining--;
  684.           *tempbuff = (uint8_t)((data >> 16U) & 0xFFU);
  685.           tempbuff++;
  686.           dataremaining--;
  687.           *tempbuff = (uint8_t)((data >> 24U) & 0xFFU);
  688.           tempbuff++;
  689.           dataremaining--;
  690.         }
  691.       }
  692.  
  693.       if(((HAL_GetTick()-tickstart) >=  Timeout) || (Timeout == 0U))
  694.       {
  695.         /* Clear all the static flags */
  696.         __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  697.         hmmc->ErrorCode |= HAL_MMC_ERROR_TIMEOUT;
  698.         hmmc->State= HAL_MMC_STATE_READY;
  699.         return HAL_TIMEOUT;
  700.       }
  701.     }
  702.  
  703.     /* Send stop transmission command in case of multiblock read */
  704.     if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DATAEND) && (NumberOfBlocks > 1U))
  705.     {
  706.       /* Send stop transmission command */
  707.       errorstate = SDMMC_CmdStopTransfer(hmmc->Instance);
  708.       if(errorstate != HAL_MMC_ERROR_NONE)
  709.       {
  710.         /* Clear all the static flags */
  711.         __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  712.         hmmc->ErrorCode |= errorstate;
  713.         hmmc->State = HAL_MMC_STATE_READY;
  714.         return HAL_ERROR;
  715.       }
  716.     }
  717.  
  718.     /* Get error state */
  719.     if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DTIMEOUT))
  720.     {
  721.       /* Clear all the static flags */
  722.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  723.       hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_TIMEOUT;
  724.       hmmc->State = HAL_MMC_STATE_READY;
  725.       return HAL_ERROR;
  726.     }
  727.     else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DCRCFAIL))
  728.     {
  729.       /* Clear all the static flags */
  730.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  731.       hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_CRC_FAIL;
  732.       hmmc->State = HAL_MMC_STATE_READY;
  733.       return HAL_ERROR;
  734.     }
  735.     else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXOVERR))
  736.     {
  737.       /* Clear all the static flags */
  738.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  739.       hmmc->ErrorCode |= HAL_MMC_ERROR_RX_OVERRUN;
  740.       hmmc->State = HAL_MMC_STATE_READY;
  741.       return HAL_ERROR;
  742.     }
  743.     else
  744.     {
  745.       /* Nothing to do */
  746.     }
  747.  
  748.     /* Empty FIFO if there is still any data */
  749.     while ((__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXDAVL)) && (dataremaining > 0U))
  750.     {
  751.       data = SDIO_ReadFIFO(hmmc->Instance);
  752.       *tempbuff = (uint8_t)(data & 0xFFU);
  753.       tempbuff++;
  754.       dataremaining--;
  755.       *tempbuff = (uint8_t)((data >> 8U) & 0xFFU);
  756.       tempbuff++;
  757.       dataremaining--;
  758.       *tempbuff = (uint8_t)((data >> 16U) & 0xFFU);
  759.       tempbuff++;
  760.       dataremaining--;
  761.       *tempbuff = (uint8_t)((data >> 24U) & 0xFFU);
  762.       tempbuff++;
  763.       dataremaining--;
  764.  
  765.       if(((HAL_GetTick()-tickstart) >=  Timeout) || (Timeout == 0U))
  766.       {
  767.         /* Clear all the static flags */
  768.         __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);        
  769.         hmmc->ErrorCode |= HAL_MMC_ERROR_TIMEOUT;
  770.         hmmc->State= HAL_MMC_STATE_READY;
  771.         return HAL_ERROR;
  772.       }
  773.     }
  774.  
  775.     /* Clear all the static flags */
  776.     __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
  777.  
  778.     hmmc->State = HAL_MMC_STATE_READY;
  779.  
  780.     return HAL_OK;
  781.   }
  782.   else
  783.   {
  784.     hmmc->ErrorCode |= HAL_MMC_ERROR_BUSY;
  785.     return HAL_ERROR;
  786.   }
  787. }
  788.  
  789. /**
  790.   * @brief  Allows to write block(s) to a specified address in a card. The Data
  791.   *         transfer is managed by polling mode.
  792.   * @note   This API should be followed by a check on the card state through
  793.   *         HAL_MMC_GetCardState().
  794.   * @param  hmmc: Pointer to MMC handle
  795.   * @param  pData: pointer to the buffer that will contain the data to transmit
  796.   * @param  BlockAdd: Block Address where data will be written
  797.   * @param  NumberOfBlocks: Number of MMC blocks to write
  798.   * @param  Timeout: Specify timeout value
  799.   * @retval HAL status
  800.   */
  801. HAL_StatusTypeDef HAL_MMC_WriteBlocks(MMC_HandleTypeDef *hmmc, uint8_t *pData, uint32_t BlockAdd, uint32_t NumberOfBlocks, uint32_t Timeout)
  802. {
  803.   SDIO_DataInitTypeDef config;
  804.   uint32_t errorstate;
  805.   uint32_t tickstart = HAL_GetTick();
  806.   uint32_t count, data, dataremaining;
  807.   uint32_t add = BlockAdd;
  808.   uint8_t *tempbuff = pData;
  809.  
  810.   if(NULL == pData)
  811.   {
  812.     hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
  813.     return HAL_ERROR;
  814.   }
  815.  
  816.   if(hmmc->State == HAL_MMC_STATE_READY)
  817.   {
  818.     hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
  819.  
  820.     if((BlockAdd + NumberOfBlocks) > (hmmc->MmcCard.LogBlockNbr))
  821.     {
  822.       hmmc->ErrorCode |= HAL_MMC_ERROR_ADDR_OUT_OF_RANGE;
  823.       return HAL_ERROR;
  824.     }
  825.  
  826.     hmmc->State = HAL_MMC_STATE_BUSY;
  827.  
  828.     /* Initialize data control register */
  829.     hmmc->Instance->DCTRL = 0U;
  830.  
  831.     if ((hmmc->MmcCard.CardType) != MMC_HIGH_CAPACITY_CARD)
  832.     {
  833.       add *= 512U;
  834.     }
  835.  
  836.     /* Write Blocks in Polling mode */
  837.     if(NumberOfBlocks > 1U)
  838.     {
  839.       hmmc->Context = MMC_CONTEXT_WRITE_MULTIPLE_BLOCK;
  840.  
  841.       /* Write Multi Block command */
  842.       errorstate = SDMMC_CmdWriteMultiBlock(hmmc->Instance, add);
  843.     }
  844.     else
  845.     {
  846.       hmmc->Context = MMC_CONTEXT_WRITE_SINGLE_BLOCK;
  847.  
  848.       /* Write Single Block command */
  849.       errorstate = SDMMC_CmdWriteSingleBlock(hmmc->Instance, add);
  850.     }
  851.     if(errorstate != HAL_MMC_ERROR_NONE)
  852.     {
  853.       /* Clear all the static flags */
  854.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  855.       hmmc->ErrorCode |= errorstate;
  856.       hmmc->State = HAL_MMC_STATE_READY;
  857.       return HAL_ERROR;
  858.     }
  859.  
  860.     /* Configure the MMC DPSM (Data Path State Machine) */
  861.     config.DataTimeOut   = SDMMC_DATATIMEOUT;
  862.     config.DataLength    = NumberOfBlocks * MMC_BLOCKSIZE;
  863.     config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
  864.     config.TransferDir   = SDIO_TRANSFER_DIR_TO_CARD;
  865.     config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
  866.     config.DPSM          = SDIO_DPSM_ENABLE;
  867.     (void)SDIO_ConfigData(hmmc->Instance, &config);
  868.  
  869.     /* Write block(s) in polling mode */
  870.     dataremaining = config.DataLength;
  871.     while(!__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_TXUNDERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DATAEND | SDIO_FLAG_STBITERR))
  872.     {
  873.       if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_TXFIFOHE) && (dataremaining > 0U))
  874.       {
  875.         /* Write data to SDIO Tx FIFO */
  876.         for(count = 0U; count < 8U; count++)
  877.         {
  878.           data = (uint32_t)(*tempbuff);
  879.           tempbuff++;
  880.           dataremaining--;
  881.           data |= ((uint32_t)(*tempbuff) << 8U);
  882.           tempbuff++;
  883.           dataremaining--;
  884.           data |= ((uint32_t)(*tempbuff) << 16U);
  885.           tempbuff++;
  886.           dataremaining--;
  887.           data |= ((uint32_t)(*tempbuff) << 24U);
  888.           tempbuff++;
  889.           dataremaining--;
  890.           (void)SDIO_WriteFIFO(hmmc->Instance, &data);
  891.         }
  892.       }
  893.  
  894.       if(((HAL_GetTick()-tickstart) >=  Timeout) || (Timeout == 0U))
  895.       {
  896.         /* Clear all the static flags */
  897.         __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  898.         hmmc->ErrorCode |= errorstate;
  899.         hmmc->State = HAL_MMC_STATE_READY;
  900.         return HAL_TIMEOUT;
  901.       }
  902.     }
  903.  
  904.     /* Send stop transmission command in case of multiblock write */
  905.     if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DATAEND) && (NumberOfBlocks > 1U))
  906.     {
  907.       /* Send stop transmission command */
  908.       errorstate = SDMMC_CmdStopTransfer(hmmc->Instance);
  909.       if(errorstate != HAL_MMC_ERROR_NONE)
  910.       {
  911.         /* Clear all the static flags */
  912.         __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  913.         hmmc->ErrorCode |= errorstate;
  914.         hmmc->State = HAL_MMC_STATE_READY;
  915.         return HAL_ERROR;
  916.       }
  917.     }
  918.  
  919.     /* Get error state */
  920.     if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DTIMEOUT))
  921.     {
  922.       /* Clear all the static flags */
  923.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  924.       hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_TIMEOUT;
  925.       hmmc->State = HAL_MMC_STATE_READY;
  926.       return HAL_ERROR;
  927.     }
  928.     else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DCRCFAIL))
  929.     {
  930.       /* Clear all the static flags */
  931.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  932.       hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_CRC_FAIL;
  933.       hmmc->State = HAL_MMC_STATE_READY;
  934.       return HAL_ERROR;
  935.     }
  936.     else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_TXUNDERR))
  937.     {
  938.       /* Clear all the static flags */
  939.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  940.       hmmc->ErrorCode |= HAL_MMC_ERROR_TX_UNDERRUN;
  941.       hmmc->State = HAL_MMC_STATE_READY;
  942.       return HAL_ERROR;
  943.     }
  944.     else
  945.     {
  946.       /* Nothing to do */
  947.     }
  948.  
  949.     /* Clear all the static flags */
  950.     __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
  951.  
  952.     hmmc->State = HAL_MMC_STATE_READY;
  953.  
  954.     return HAL_OK;
  955.   }
  956.   else
  957.   {
  958.     hmmc->ErrorCode |= HAL_MMC_ERROR_BUSY;
  959.     return HAL_ERROR;
  960.   }
  961. }
  962.  
  963. /**
  964.   * @brief  Reads block(s) from a specified address in a card. The Data transfer
  965.   *         is managed in interrupt mode.
  966.   * @note   This API should be followed by a check on the card state through
  967.   *         HAL_MMC_GetCardState().
  968.   * @note   You could also check the IT transfer process through the MMC Rx
  969.   *         interrupt event.
  970.   * @param  hmmc: Pointer to MMC handle
  971.   * @param  pData: Pointer to the buffer that will contain the received data
  972.   * @param  BlockAdd: Block Address from where data is to be read
  973.   * @param  NumberOfBlocks: Number of blocks to read.
  974.   * @retval HAL status
  975.   */
  976. HAL_StatusTypeDef HAL_MMC_ReadBlocks_IT(MMC_HandleTypeDef *hmmc, uint8_t *pData, uint32_t BlockAdd, uint32_t NumberOfBlocks)
  977. {
  978.   SDIO_DataInitTypeDef config;
  979.   uint32_t errorstate;
  980.   uint32_t add = BlockAdd;
  981.  
  982.   if(NULL == pData)
  983.   {
  984.     hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
  985.     return HAL_ERROR;
  986.   }
  987.  
  988.   if(hmmc->State == HAL_MMC_STATE_READY)
  989.   {
  990.     hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
  991.  
  992.     if((BlockAdd + NumberOfBlocks) > (hmmc->MmcCard.LogBlockNbr))
  993.     {
  994.       hmmc->ErrorCode |= HAL_MMC_ERROR_ADDR_OUT_OF_RANGE;
  995.       return HAL_ERROR;
  996.     }
  997.  
  998.     hmmc->State = HAL_MMC_STATE_BUSY;
  999.  
  1000.     /* Initialize data control register */
  1001.     hmmc->Instance->DCTRL = 0U;
  1002.  
  1003.     hmmc->pRxBuffPtr = pData;
  1004.     hmmc->RxXferSize = MMC_BLOCKSIZE * NumberOfBlocks;
  1005.  
  1006.     __HAL_MMC_ENABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_RXOVERR | SDIO_IT_DATAEND | SDIO_FLAG_RXFIFOHF));
  1007.  
  1008.     if ((hmmc->MmcCard.CardType) != MMC_HIGH_CAPACITY_CARD)
  1009.     {
  1010.       add *= 512U;
  1011.     }
  1012.  
  1013.     /* Configure the MMC DPSM (Data Path State Machine) */
  1014.     config.DataTimeOut   = SDMMC_DATATIMEOUT;
  1015.     config.DataLength    = MMC_BLOCKSIZE * NumberOfBlocks;
  1016.     config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
  1017.     config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
  1018.     config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
  1019.     config.DPSM          = SDIO_DPSM_ENABLE;
  1020.     (void)SDIO_ConfigData(hmmc->Instance, &config);
  1021.  
  1022.     /* Read Blocks in IT mode */
  1023.     if(NumberOfBlocks > 1U)
  1024.     {
  1025.       hmmc->Context = (MMC_CONTEXT_READ_MULTIPLE_BLOCK | MMC_CONTEXT_IT);
  1026.  
  1027.       /* Read Multi Block command */
  1028.       errorstate = SDMMC_CmdReadMultiBlock(hmmc->Instance, add);
  1029.     }
  1030.     else
  1031.     {
  1032.       hmmc->Context = (MMC_CONTEXT_READ_SINGLE_BLOCK | MMC_CONTEXT_IT);
  1033.  
  1034.       /* Read Single Block command */
  1035.       errorstate = SDMMC_CmdReadSingleBlock(hmmc->Instance, add);
  1036.     }
  1037.  
  1038.     if(errorstate != HAL_MMC_ERROR_NONE)
  1039.     {
  1040.       /* Clear all the static flags */
  1041.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  1042.       hmmc->ErrorCode |= errorstate;
  1043.       hmmc->State = HAL_MMC_STATE_READY;
  1044.       return HAL_ERROR;
  1045.     }
  1046.  
  1047.     return HAL_OK;
  1048.   }
  1049.   else
  1050.   {
  1051.     return HAL_BUSY;
  1052.   }
  1053. }
  1054.  
  1055. /**
  1056.   * @brief  Writes block(s) to a specified address in a card. The Data transfer
  1057.   *         is managed in interrupt mode.
  1058.   * @note   This API should be followed by a check on the card state through
  1059.   *         HAL_MMC_GetCardState().
  1060.   * @note   You could also check the IT transfer process through the MMC Tx
  1061.   *         interrupt event.
  1062.   * @param  hmmc: Pointer to MMC handle
  1063.   * @param  pData: Pointer to the buffer that will contain the data to transmit
  1064.   * @param  BlockAdd: Block Address where data will be written
  1065.   * @param  NumberOfBlocks: Number of blocks to write
  1066.   * @retval HAL status
  1067.   */
  1068. HAL_StatusTypeDef HAL_MMC_WriteBlocks_IT(MMC_HandleTypeDef *hmmc, uint8_t *pData, uint32_t BlockAdd, uint32_t NumberOfBlocks)
  1069. {
  1070.   SDIO_DataInitTypeDef config;
  1071.   uint32_t errorstate;
  1072.   uint32_t add = BlockAdd;
  1073.  
  1074.   if(NULL == pData)
  1075.   {
  1076.     hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
  1077.     return HAL_ERROR;
  1078.   }
  1079.  
  1080.   if(hmmc->State == HAL_MMC_STATE_READY)
  1081.   {
  1082.     hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
  1083.  
  1084.     if((BlockAdd + NumberOfBlocks) > (hmmc->MmcCard.LogBlockNbr))
  1085.     {
  1086.       hmmc->ErrorCode |= HAL_MMC_ERROR_ADDR_OUT_OF_RANGE;
  1087.       return HAL_ERROR;
  1088.     }
  1089.  
  1090.     hmmc->State = HAL_MMC_STATE_BUSY;
  1091.  
  1092.     /* Initialize data control register */
  1093.     hmmc->Instance->DCTRL = 0U;
  1094.  
  1095.     hmmc->pTxBuffPtr = pData;
  1096.     hmmc->TxXferSize = MMC_BLOCKSIZE * NumberOfBlocks;
  1097.  
  1098.     /* Enable transfer interrupts */
  1099.     __HAL_MMC_ENABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_TXUNDERR | SDIO_IT_DATAEND | SDIO_FLAG_TXFIFOHE));
  1100.  
  1101.     if ((hmmc->MmcCard.CardType) != MMC_HIGH_CAPACITY_CARD)
  1102.     {
  1103.       add *= 512U;
  1104.     }
  1105.  
  1106.     /* Write Blocks in Polling mode */
  1107.     if(NumberOfBlocks > 1U)
  1108.     {
  1109.       hmmc->Context = (MMC_CONTEXT_WRITE_MULTIPLE_BLOCK| MMC_CONTEXT_IT);
  1110.  
  1111.       /* Write Multi Block command */
  1112.       errorstate = SDMMC_CmdWriteMultiBlock(hmmc->Instance, add);
  1113.     }
  1114.     else
  1115.     {
  1116.       hmmc->Context = (MMC_CONTEXT_WRITE_SINGLE_BLOCK | MMC_CONTEXT_IT);
  1117.  
  1118.       /* Write Single Block command */
  1119.       errorstate = SDMMC_CmdWriteSingleBlock(hmmc->Instance, add);
  1120.     }
  1121.     if(errorstate != HAL_MMC_ERROR_NONE)
  1122.     {
  1123.       /* Clear all the static flags */
  1124.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  1125.       hmmc->ErrorCode |= errorstate;
  1126.       hmmc->State = HAL_MMC_STATE_READY;
  1127.       return HAL_ERROR;
  1128.     }
  1129.  
  1130.     /* Configure the MMC DPSM (Data Path State Machine) */
  1131.     config.DataTimeOut   = SDMMC_DATATIMEOUT;
  1132.     config.DataLength    = MMC_BLOCKSIZE * NumberOfBlocks;
  1133.     config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
  1134.     config.TransferDir   = SDIO_TRANSFER_DIR_TO_CARD;
  1135.     config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
  1136.     config.DPSM          = SDIO_DPSM_ENABLE;
  1137.     (void)SDIO_ConfigData(hmmc->Instance, &config);
  1138.    
  1139.     return HAL_OK;
  1140.   }
  1141.   else
  1142.   {
  1143.     return HAL_BUSY;
  1144.   }
  1145. }
  1146.  
  1147. /**
  1148.   * @brief  Reads block(s) from a specified address in a card. The Data transfer
  1149.   *         is managed by DMA mode.
  1150.   * @note   This API should be followed by a check on the card state through
  1151.   *         HAL_MMC_GetCardState().
  1152.   * @note   You could also check the DMA transfer process through the MMC Rx
  1153.   *         interrupt event.
  1154.   * @param  hmmc: Pointer MMC handle
  1155.   * @param  pData: Pointer to the buffer that will contain the received data
  1156.   * @param  BlockAdd: Block Address from where data is to be read
  1157.   * @param  NumberOfBlocks: Number of blocks to read.
  1158.   * @retval HAL status
  1159.   */
  1160. HAL_StatusTypeDef HAL_MMC_ReadBlocks_DMA(MMC_HandleTypeDef *hmmc, uint8_t *pData, uint32_t BlockAdd, uint32_t NumberOfBlocks)
  1161. {
  1162.   SDIO_DataInitTypeDef config;
  1163.   uint32_t errorstate;
  1164.   uint32_t add = BlockAdd;
  1165.  
  1166.   if(NULL == pData)
  1167.   {
  1168.     hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
  1169.     return HAL_ERROR;
  1170.   }
  1171.  
  1172.   if(hmmc->State == HAL_MMC_STATE_READY)
  1173.   {
  1174.     hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
  1175.  
  1176.     if((BlockAdd + NumberOfBlocks) > (hmmc->MmcCard.LogBlockNbr))
  1177.     {
  1178.       hmmc->ErrorCode |= HAL_MMC_ERROR_ADDR_OUT_OF_RANGE;
  1179.       return HAL_ERROR;
  1180.     }
  1181.  
  1182.     hmmc->State = HAL_MMC_STATE_BUSY;
  1183.  
  1184.     /* Initialize data control register */
  1185.     hmmc->Instance->DCTRL = 0U;
  1186.  
  1187.     __HAL_MMC_ENABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_RXOVERR | SDIO_IT_DATAEND));
  1188.  
  1189.     /* Set the DMA transfer complete callback */
  1190.     hmmc->hdmarx->XferCpltCallback = MMC_DMAReceiveCplt;
  1191.  
  1192.     /* Set the DMA error callback */
  1193.     hmmc->hdmarx->XferErrorCallback = MMC_DMAError;
  1194.  
  1195.     /* Set the DMA Abort callback */
  1196.     hmmc->hdmarx->XferAbortCallback = NULL;
  1197.  
  1198.     if ((hmmc->MmcCard.CardType) != MMC_HIGH_CAPACITY_CARD)
  1199.     {
  1200.       add *= 512U;
  1201.     }
  1202.  
  1203.     /* Force DMA Direction */
  1204.     hmmc->hdmarx->Init.Direction = DMA_PERIPH_TO_MEMORY;
  1205.     MODIFY_REG(hmmc->hdmarx->Instance->CCR, DMA_CCR_DIR, hmmc->hdmarx->Init.Direction);
  1206.  
  1207.     /* Enable the DMA Channel */
  1208.     if(HAL_DMA_Start_IT(hmmc->hdmarx, (uint32_t)&hmmc->Instance->FIFO, (uint32_t)pData, (uint32_t)(MMC_BLOCKSIZE * NumberOfBlocks)/4) != HAL_OK)
  1209.     {
  1210.       __HAL_MMC_DISABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_RXOVERR | SDIO_IT_DATAEND));
  1211.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  1212.       hmmc->ErrorCode = HAL_MMC_ERROR_DMA;
  1213.       hmmc->State = HAL_MMC_STATE_READY;
  1214.       return HAL_ERROR;
  1215.     }
  1216.     else
  1217.     {
  1218.       /* Enable MMC DMA transfer */
  1219.       __HAL_MMC_DMA_ENABLE(hmmc);
  1220.  
  1221.       /* Configure the MMC DPSM (Data Path State Machine) */
  1222.       config.DataTimeOut   = SDMMC_DATATIMEOUT;
  1223.       config.DataLength    = MMC_BLOCKSIZE * NumberOfBlocks;
  1224.       config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
  1225.       config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
  1226.       config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
  1227.       config.DPSM          = SDIO_DPSM_ENABLE;
  1228.       (void)SDIO_ConfigData(hmmc->Instance, &config);
  1229.  
  1230.       /* Read Blocks in DMA mode */
  1231.       if(NumberOfBlocks > 1U)
  1232.       {
  1233.         hmmc->Context = (MMC_CONTEXT_READ_MULTIPLE_BLOCK | MMC_CONTEXT_DMA);
  1234.  
  1235.         /* Read Multi Block command */
  1236.         errorstate = SDMMC_CmdReadMultiBlock(hmmc->Instance, add);
  1237.       }
  1238.       else
  1239.       {
  1240.         hmmc->Context = (MMC_CONTEXT_READ_SINGLE_BLOCK | MMC_CONTEXT_DMA);
  1241.  
  1242.         /* Read Single Block command */
  1243.         errorstate = SDMMC_CmdReadSingleBlock(hmmc->Instance, add);
  1244.       }
  1245.       if(errorstate != HAL_MMC_ERROR_NONE)
  1246.       {
  1247.         /* Clear all the static flags */
  1248.         __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  1249.         __HAL_MMC_DISABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_RXOVERR | SDIO_IT_DATAEND));
  1250.         hmmc->ErrorCode = errorstate;
  1251.         hmmc->State = HAL_MMC_STATE_READY;
  1252.         return HAL_ERROR;
  1253.       }
  1254.  
  1255.       return HAL_OK;
  1256.     }
  1257.   }
  1258.   else
  1259.   {
  1260.     return HAL_BUSY;
  1261.   }
  1262. }
  1263.  
  1264. /**
  1265.   * @brief  Writes block(s) to a specified address in a card. The Data transfer
  1266.   *         is managed by DMA mode.
  1267.   * @note   This API should be followed by a check on the card state through
  1268.   *         HAL_MMC_GetCardState().
  1269.   * @note   You could also check the DMA transfer process through the MMC Tx
  1270.   *         interrupt event.
  1271.   * @param  hmmc: Pointer to MMC handle
  1272.   * @param  pData: Pointer to the buffer that will contain the data to transmit
  1273.   * @param  BlockAdd: Block Address where data will be written
  1274.   * @param  NumberOfBlocks: Number of blocks to write
  1275.   * @retval HAL status
  1276.   */
  1277. HAL_StatusTypeDef HAL_MMC_WriteBlocks_DMA(MMC_HandleTypeDef *hmmc, uint8_t *pData, uint32_t BlockAdd, uint32_t NumberOfBlocks)
  1278. {
  1279.   SDIO_DataInitTypeDef config;
  1280.   uint32_t errorstate;
  1281.   uint32_t add = BlockAdd;
  1282.  
  1283.   if(NULL == pData)
  1284.   {
  1285.     hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
  1286.     return HAL_ERROR;
  1287.   }
  1288.  
  1289.   if(hmmc->State == HAL_MMC_STATE_READY)
  1290.   {
  1291.     hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
  1292.  
  1293.     if((BlockAdd + NumberOfBlocks) > (hmmc->MmcCard.LogBlockNbr))
  1294.     {
  1295.       hmmc->ErrorCode |= HAL_MMC_ERROR_ADDR_OUT_OF_RANGE;
  1296.       return HAL_ERROR;
  1297.     }
  1298.  
  1299.     hmmc->State = HAL_MMC_STATE_BUSY;
  1300.  
  1301.     /* Initialize data control register */
  1302.     hmmc->Instance->DCTRL = 0U;
  1303.  
  1304.     /* Enable MMC Error interrupts */
  1305.         __HAL_MMC_ENABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_TXUNDERR));
  1306.  
  1307.     /* Set the DMA transfer complete callback */
  1308.     hmmc->hdmatx->XferCpltCallback = MMC_DMATransmitCplt;
  1309.  
  1310.     /* Set the DMA error callback */
  1311.     hmmc->hdmatx->XferErrorCallback = MMC_DMAError;
  1312.  
  1313.     /* Set the DMA Abort callback */
  1314.     hmmc->hdmatx->XferAbortCallback = NULL;
  1315.  
  1316.     if ((hmmc->MmcCard.CardType) != MMC_HIGH_CAPACITY_CARD)
  1317.     {
  1318.       add *= 512U;
  1319.     }
  1320.  
  1321.  
  1322.     /* Write Blocks in Polling mode */
  1323.     if(NumberOfBlocks > 1U)
  1324.     {
  1325.       hmmc->Context = (MMC_CONTEXT_WRITE_MULTIPLE_BLOCK | MMC_CONTEXT_DMA);
  1326.  
  1327.       /* Write Multi Block command */
  1328.       errorstate = SDMMC_CmdWriteMultiBlock(hmmc->Instance, add);
  1329.     }
  1330.     else
  1331.     {
  1332.       hmmc->Context = (MMC_CONTEXT_WRITE_SINGLE_BLOCK | MMC_CONTEXT_DMA);
  1333.  
  1334.       /* Write Single Block command */
  1335.       errorstate = SDMMC_CmdWriteSingleBlock(hmmc->Instance, add);
  1336.     }
  1337.     if(errorstate != HAL_MMC_ERROR_NONE)
  1338.     {
  1339.       /* Clear all the static flags */
  1340.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  1341.       __HAL_MMC_DISABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_TXUNDERR | SDIO_IT_DATAEND));
  1342.       hmmc->ErrorCode |= errorstate;
  1343.       hmmc->State = HAL_MMC_STATE_READY;
  1344.       return HAL_ERROR;
  1345.     }
  1346.  
  1347.     /* Enable SDIO DMA transfer */
  1348.     __HAL_MMC_DMA_ENABLE(hmmc);
  1349.  
  1350.     /* Force DMA Direction */
  1351.     hmmc->hdmatx->Init.Direction = DMA_MEMORY_TO_PERIPH;
  1352.     MODIFY_REG(hmmc->hdmatx->Instance->CCR, DMA_CCR_DIR, hmmc->hdmatx->Init.Direction);
  1353.  
  1354.     /* Enable the DMA Channel */
  1355.     if(HAL_DMA_Start_IT(hmmc->hdmatx, (uint32_t)pData, (uint32_t)&hmmc->Instance->FIFO, (uint32_t)(MMC_BLOCKSIZE * NumberOfBlocks)/4) != HAL_OK)
  1356.     {
  1357.       __HAL_MMC_DISABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_TXUNDERR | SDIO_IT_DATAEND));
  1358.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  1359.       hmmc->ErrorCode |= HAL_MMC_ERROR_DMA;
  1360.       hmmc->State = HAL_MMC_STATE_READY;
  1361.       return HAL_ERROR;
  1362.     }
  1363.     else
  1364.     {    
  1365.       /* Configure the MMC DPSM (Data Path State Machine) */
  1366.       config.DataTimeOut   = SDMMC_DATATIMEOUT;
  1367.       config.DataLength    = MMC_BLOCKSIZE * NumberOfBlocks;
  1368.       config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
  1369.       config.TransferDir   = SDIO_TRANSFER_DIR_TO_CARD;
  1370.       config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
  1371.       config.DPSM          = SDIO_DPSM_ENABLE;
  1372.       (void)SDIO_ConfigData(hmmc->Instance, &config);
  1373.  
  1374.       return HAL_OK;
  1375.     }
  1376.   }
  1377.   else
  1378.   {
  1379.     return HAL_BUSY;
  1380.   }
  1381. }
  1382.  
  1383. /**
  1384.   * @brief  Erases the specified memory area of the given MMC card.
  1385.   * @note   This API should be followed by a check on the card state through
  1386.   *         HAL_MMC_GetCardState().
  1387.   * @param  hmmc: Pointer to MMC handle
  1388.   * @param  BlockStartAdd: Start Block address
  1389.   * @param  BlockEndAdd: End Block address
  1390.   * @retval HAL status
  1391.   */
  1392. HAL_StatusTypeDef HAL_MMC_Erase(MMC_HandleTypeDef *hmmc, uint32_t BlockStartAdd, uint32_t BlockEndAdd)
  1393. {
  1394.   uint32_t errorstate;
  1395.   uint32_t start_add = BlockStartAdd;
  1396.   uint32_t end_add = BlockEndAdd;
  1397.  
  1398.   if(hmmc->State == HAL_MMC_STATE_READY)
  1399.   {
  1400.     hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
  1401.  
  1402.     if(end_add < start_add)
  1403.     {
  1404.       hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
  1405.       return HAL_ERROR;
  1406.     }
  1407.  
  1408.     if(end_add > (hmmc->MmcCard.LogBlockNbr))
  1409.     {
  1410.       hmmc->ErrorCode |= HAL_MMC_ERROR_ADDR_OUT_OF_RANGE;
  1411.       return HAL_ERROR;
  1412.     }
  1413.  
  1414.     hmmc->State = HAL_MMC_STATE_BUSY;
  1415.  
  1416.     /* Check if the card command class supports erase command */
  1417.     if(((hmmc->MmcCard.Class) & SDIO_CCCC_ERASE) == 0U)
  1418.     {
  1419.       /* Clear all the static flags */
  1420.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  1421.       hmmc->ErrorCode |= HAL_MMC_ERROR_REQUEST_NOT_APPLICABLE;
  1422.       hmmc->State = HAL_MMC_STATE_READY;
  1423.       return HAL_ERROR;
  1424.     }
  1425.  
  1426.     if((SDIO_GetResponse(hmmc->Instance, SDIO_RESP1) & SDMMC_CARD_LOCKED) == SDMMC_CARD_LOCKED)
  1427.     {
  1428.       /* Clear all the static flags */
  1429.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  1430.       hmmc->ErrorCode |= HAL_MMC_ERROR_LOCK_UNLOCK_FAILED;
  1431.       hmmc->State = HAL_MMC_STATE_READY;
  1432.       return HAL_ERROR;
  1433.     }
  1434.  
  1435.     if ((hmmc->MmcCard.CardType) != MMC_HIGH_CAPACITY_CARD)
  1436.     {
  1437.       start_add *= 512U;
  1438.       end_add   *= 512U;
  1439.     }
  1440.  
  1441.     /* Send CMD35 MMC_ERASE_GRP_START with argument as addr  */
  1442.     errorstate = SDMMC_CmdEraseStartAdd(hmmc->Instance, start_add);
  1443.     if(errorstate != HAL_MMC_ERROR_NONE)
  1444.     {
  1445.       /* Clear all the static flags */
  1446.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  1447.       hmmc->ErrorCode |= errorstate;
  1448.       hmmc->State = HAL_MMC_STATE_READY;
  1449.       return HAL_ERROR;
  1450.     }
  1451.  
  1452.     /* Send CMD36 MMC_ERASE_GRP_END with argument as addr  */
  1453.     errorstate = SDMMC_CmdEraseEndAdd(hmmc->Instance, end_add);
  1454.     if(errorstate != HAL_MMC_ERROR_NONE)
  1455.     {
  1456.       /* Clear all the static flags */
  1457.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  1458.       hmmc->ErrorCode |= errorstate;
  1459.       hmmc->State = HAL_MMC_STATE_READY;
  1460.       return HAL_ERROR;
  1461.     }
  1462.  
  1463.     /* Send CMD38 ERASE */
  1464.     errorstate = SDMMC_CmdErase(hmmc->Instance);
  1465.     if(errorstate != HAL_MMC_ERROR_NONE)
  1466.     {
  1467.       /* Clear all the static flags */
  1468.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  1469.       hmmc->ErrorCode |= errorstate;
  1470.       hmmc->State = HAL_MMC_STATE_READY;
  1471.       return HAL_ERROR;
  1472.     }
  1473.  
  1474.     hmmc->State = HAL_MMC_STATE_READY;
  1475.  
  1476.     return HAL_OK;
  1477.   }
  1478.   else
  1479.   {
  1480.     return HAL_BUSY;
  1481.   }
  1482. }
  1483.  
  1484. /**
  1485.   * @brief  This function handles MMC card interrupt request.
  1486.   * @param  hmmc: Pointer to MMC handle
  1487.   * @retval None
  1488.   */
  1489. void HAL_MMC_IRQHandler(MMC_HandleTypeDef *hmmc)
  1490. {
  1491.   uint32_t errorstate;
  1492.   uint32_t context = hmmc->Context;
  1493.  
  1494.   /* Check for SDIO interrupt flags */
  1495.   if((__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXFIFOHF) != RESET) && ((context & MMC_CONTEXT_IT) != 0U))
  1496.   {
  1497.     MMC_Read_IT(hmmc);
  1498.   }
  1499.  
  1500.   else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DATAEND) != RESET)
  1501.   {
  1502.     __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_FLAG_DATAEND);
  1503.  
  1504.     __HAL_MMC_DISABLE_IT(hmmc, SDIO_IT_DATAEND | SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT|\
  1505.                              SDIO_IT_TXUNDERR| SDIO_IT_RXOVERR);
  1506.    
  1507.     hmmc->Instance->DCTRL &= ~(SDIO_DCTRL_DTEN);
  1508.  
  1509.     if((context & MMC_CONTEXT_DMA) != 0U)
  1510.     {
  1511.       if((context & MMC_CONTEXT_WRITE_MULTIPLE_BLOCK) != 0U)
  1512.       {
  1513.         errorstate = SDMMC_CmdStopTransfer(hmmc->Instance);
  1514.         if(errorstate != HAL_MMC_ERROR_NONE)
  1515.         {
  1516.           hmmc->ErrorCode |= errorstate;
  1517. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  1518.           hmmc->ErrorCallback(hmmc);
  1519. #else
  1520.           HAL_MMC_ErrorCallback(hmmc);
  1521. #endif
  1522.         }
  1523.       }
  1524.       if(((context & MMC_CONTEXT_READ_SINGLE_BLOCK) == 0U) && ((context & MMC_CONTEXT_READ_MULTIPLE_BLOCK) == 0U))
  1525.       {
  1526.         /* Disable the DMA transfer for transmit request by setting the DMAEN bit
  1527.         in the MMC DCTRL register */
  1528.         hmmc->Instance->DCTRL &= (uint32_t)~((uint32_t)SDIO_DCTRL_DMAEN);
  1529.        
  1530.         hmmc->State = HAL_MMC_STATE_READY;
  1531.        
  1532. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  1533.         hmmc->TxCpltCallback(hmmc);
  1534. #else
  1535.         HAL_MMC_TxCpltCallback(hmmc);
  1536. #endif
  1537.       }
  1538.     }
  1539.     else if((context & MMC_CONTEXT_IT) != 0U)
  1540.     {
  1541.       /* Stop Transfer for Write Multi blocks or Read Multi blocks */
  1542.       if(((context & MMC_CONTEXT_READ_MULTIPLE_BLOCK) != 0U) || ((context & MMC_CONTEXT_WRITE_MULTIPLE_BLOCK) != 0U))
  1543.       {
  1544.         errorstate = SDMMC_CmdStopTransfer(hmmc->Instance);
  1545.         if(errorstate != HAL_MMC_ERROR_NONE)
  1546.         {
  1547.           hmmc->ErrorCode |= errorstate;
  1548. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  1549.           hmmc->ErrorCallback(hmmc);
  1550. #else
  1551.           HAL_MMC_ErrorCallback(hmmc);
  1552. #endif
  1553.         }
  1554.       }
  1555.  
  1556.       /* Clear all the static flags */
  1557.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
  1558.  
  1559.       hmmc->State = HAL_MMC_STATE_READY;
  1560.       if(((context & MMC_CONTEXT_READ_SINGLE_BLOCK) != 0U) || ((context & MMC_CONTEXT_READ_MULTIPLE_BLOCK) != 0U))
  1561.       {
  1562. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  1563.         hmmc->RxCpltCallback(hmmc);
  1564. #else
  1565.         HAL_MMC_RxCpltCallback(hmmc);
  1566. #endif
  1567.       }
  1568.       else
  1569.       {
  1570. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  1571.         hmmc->TxCpltCallback(hmmc);
  1572. #else
  1573.         HAL_MMC_TxCpltCallback(hmmc);
  1574. #endif
  1575.       }
  1576.     }
  1577.     else
  1578.     {
  1579.       /* Nothing to do */
  1580.     }
  1581.   }
  1582.  
  1583.   else if((__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_TXFIFOHE) != RESET) && ((context & MMC_CONTEXT_IT) != 0U))
  1584.   {
  1585.     MMC_Write_IT(hmmc);
  1586.   }
  1587.  
  1588.   else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_RXOVERR | SDIO_FLAG_TXUNDERR) != RESET)
  1589.   {
  1590.     /* Set Error code */
  1591.     if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DCRCFAIL) != RESET)
  1592.     {
  1593.       hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_CRC_FAIL;
  1594.     }
  1595.     if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DTIMEOUT) != RESET)
  1596.     {
  1597.       hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_TIMEOUT;
  1598.     }
  1599.     if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXOVERR) != RESET)
  1600.     {
  1601.       hmmc->ErrorCode |= HAL_MMC_ERROR_RX_OVERRUN;
  1602.     }
  1603.     if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_TXUNDERR) != RESET)
  1604.     {
  1605.       hmmc->ErrorCode |= HAL_MMC_ERROR_TX_UNDERRUN;
  1606.     }
  1607.  
  1608.     /* Clear All flags */
  1609.     __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS | SDIO_FLAG_STBITERR);
  1610.  
  1611.     /* Disable all interrupts */
  1612.     __HAL_MMC_DISABLE_IT(hmmc, SDIO_IT_DATAEND | SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT|\
  1613.                                SDIO_IT_TXUNDERR| SDIO_IT_RXOVERR | SDIO_IT_STBITERR);
  1614.  
  1615.     hmmc->ErrorCode |= SDMMC_CmdStopTransfer(hmmc->Instance);
  1616.  
  1617.     if((context & MMC_CONTEXT_IT) != 0U)
  1618.     {
  1619.       /* Set the MMC state to ready to be able to start again the process */
  1620.       hmmc->State = HAL_MMC_STATE_READY;
  1621. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  1622.       hmmc->ErrorCallback(hmmc);
  1623. #else
  1624.       HAL_MMC_ErrorCallback(hmmc);
  1625. #endif /* USE_HAL_MMC_REGISTER_CALLBACKS */
  1626.     }
  1627.     else if((context & MMC_CONTEXT_DMA) != 0U)
  1628.     {
  1629.       /* Abort the MMC DMA Streams */
  1630.       if(hmmc->hdmatx != NULL)
  1631.       {
  1632.         /* Set the DMA Tx abort callback */
  1633.         hmmc->hdmatx->XferAbortCallback = MMC_DMATxAbort;
  1634.         /* Abort DMA in IT mode */
  1635.         if(HAL_DMA_Abort_IT(hmmc->hdmatx) != HAL_OK)
  1636.         {
  1637.           MMC_DMATxAbort(hmmc->hdmatx);
  1638.         }
  1639.       }
  1640.       else if(hmmc->hdmarx != NULL)
  1641.       {
  1642.         /* Set the DMA Rx abort callback */
  1643.         hmmc->hdmarx->XferAbortCallback = MMC_DMARxAbort;
  1644.         /* Abort DMA in IT mode */
  1645.         if(HAL_DMA_Abort_IT(hmmc->hdmarx) != HAL_OK)
  1646.         {
  1647.           MMC_DMARxAbort(hmmc->hdmarx);
  1648.         }
  1649.       }
  1650.       else
  1651.       {
  1652.         hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
  1653.         hmmc->State = HAL_MMC_STATE_READY;
  1654. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  1655.         hmmc->AbortCpltCallback(hmmc);
  1656. #else
  1657.         HAL_MMC_AbortCallback(hmmc);
  1658. #endif
  1659.       }
  1660.     }
  1661.     else
  1662.     {
  1663.       /* Nothing to do */
  1664.     }
  1665.   }
  1666.  
  1667.   else
  1668.   {
  1669.     /* Nothing to do */
  1670.   }
  1671. }
  1672.  
  1673. /**
  1674.   * @brief return the MMC state
  1675.   * @param hmmc: Pointer to mmc handle
  1676.   * @retval HAL state
  1677.   */
  1678. HAL_MMC_StateTypeDef HAL_MMC_GetState(MMC_HandleTypeDef *hmmc)
  1679. {
  1680.   return hmmc->State;
  1681. }
  1682.  
  1683. /**
  1684. * @brief  Return the MMC error code
  1685. * @param  hmmc : Pointer to a MMC_HandleTypeDef structure that contains
  1686.   *              the configuration information.
  1687. * @retval MMC Error Code
  1688. */
  1689. uint32_t HAL_MMC_GetError(MMC_HandleTypeDef *hmmc)
  1690. {
  1691.   return hmmc->ErrorCode;
  1692. }
  1693.  
  1694. /**
  1695.   * @brief Tx Transfer completed callbacks
  1696.   * @param hmmc: Pointer to MMC handle
  1697.   * @retval None
  1698.   */
  1699. __weak void HAL_MMC_TxCpltCallback(MMC_HandleTypeDef *hmmc)
  1700. {
  1701.   /* Prevent unused argument(s) compilation warning */
  1702.   UNUSED(hmmc);
  1703.  
  1704.   /* NOTE : This function should not be modified, when the callback is needed,
  1705.             the HAL_MMC_TxCpltCallback can be implemented in the user file
  1706.    */
  1707. }
  1708.  
  1709. /**
  1710.   * @brief Rx Transfer completed callbacks
  1711.   * @param hmmc: Pointer MMC handle
  1712.   * @retval None
  1713.   */
  1714. __weak void HAL_MMC_RxCpltCallback(MMC_HandleTypeDef *hmmc)
  1715. {
  1716.   /* Prevent unused argument(s) compilation warning */
  1717.   UNUSED(hmmc);
  1718.  
  1719.   /* NOTE : This function should not be modified, when the callback is needed,
  1720.             the HAL_MMC_RxCpltCallback can be implemented in the user file
  1721.    */
  1722. }
  1723.  
  1724. /**
  1725.   * @brief MMC error callbacks
  1726.   * @param hmmc: Pointer MMC handle
  1727.   * @retval None
  1728.   */
  1729. __weak void HAL_MMC_ErrorCallback(MMC_HandleTypeDef *hmmc)
  1730. {
  1731.   /* Prevent unused argument(s) compilation warning */
  1732.   UNUSED(hmmc);
  1733.  
  1734.   /* NOTE : This function should not be modified, when the callback is needed,
  1735.             the HAL_MMC_ErrorCallback can be implemented in the user file
  1736.    */
  1737. }
  1738.  
  1739. /**
  1740.   * @brief MMC Abort callbacks
  1741.   * @param hmmc: Pointer MMC handle
  1742.   * @retval None
  1743.   */
  1744. __weak void HAL_MMC_AbortCallback(MMC_HandleTypeDef *hmmc)
  1745. {
  1746.   /* Prevent unused argument(s) compilation warning */
  1747.   UNUSED(hmmc);
  1748.  
  1749.   /* NOTE : This function should not be modified, when the callback is needed,
  1750.             the HAL_MMC_AbortCallback can be implemented in the user file
  1751.    */
  1752. }
  1753.  
  1754. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  1755. /**
  1756.   * @brief  Register a User MMC Callback
  1757.   *         To be used instead of the weak (surcharged) predefined callback
  1758.   * @param hmmc : MMC handle
  1759.   * @param CallbackId : ID of the callback to be registered
  1760.   *        This parameter can be one of the following values:
  1761.   *          @arg @ref HAL_MMC_TX_CPLT_CB_ID    MMC Tx Complete Callback ID
  1762.   *          @arg @ref HAL_MMC_RX_CPLT_CB_ID    MMC Rx Complete Callback ID
  1763.   *          @arg @ref HAL_MMC_ERROR_CB_ID      MMC Error Callback ID
  1764.   *          @arg @ref HAL_MMC_ABORT_CB_ID      MMC Abort Callback ID
  1765.   *          @arg @ref HAL_MMC_MSP_INIT_CB_ID   MMC MspInit Callback ID
  1766.   *          @arg @ref HAL_MMC_MSP_DEINIT_CB_ID MMC MspDeInit Callback ID
  1767.   * @param pCallback : pointer to the Callback function
  1768.   * @retval status
  1769.   */
  1770. HAL_StatusTypeDef HAL_MMC_RegisterCallback(MMC_HandleTypeDef *hmmc, HAL_MMC_CallbackIDTypeDef CallbackId, pMMC_CallbackTypeDef pCallback)
  1771. {
  1772.   HAL_StatusTypeDef status = HAL_OK;
  1773.  
  1774.   if(pCallback == NULL)
  1775.   {
  1776.     /* Update the error code */
  1777.     hmmc->ErrorCode |= HAL_MMC_ERROR_INVALID_CALLBACK;
  1778.     return HAL_ERROR;
  1779.   }
  1780.  
  1781.   /* Process locked */
  1782.   __HAL_LOCK(hmmc);
  1783.  
  1784.   if(hmmc->State == HAL_MMC_STATE_READY)
  1785.   {
  1786.     switch (CallbackId)
  1787.     {
  1788.     case HAL_MMC_TX_CPLT_CB_ID :
  1789.       hmmc->TxCpltCallback = pCallback;
  1790.       break;
  1791.     case HAL_MMC_RX_CPLT_CB_ID :
  1792.       hmmc->RxCpltCallback = pCallback;
  1793.       break;
  1794.     case HAL_MMC_ERROR_CB_ID :
  1795.       hmmc->ErrorCallback = pCallback;
  1796.       break;
  1797.     case HAL_MMC_ABORT_CB_ID :
  1798.       hmmc->AbortCpltCallback = pCallback;
  1799.       break;
  1800.     case HAL_MMC_MSP_INIT_CB_ID :
  1801.       hmmc->MspInitCallback = pCallback;
  1802.       break;
  1803.     case HAL_MMC_MSP_DEINIT_CB_ID :
  1804.       hmmc->MspDeInitCallback = pCallback;
  1805.       break;
  1806.     default :
  1807.       /* Update the error code */
  1808.       hmmc->ErrorCode |= HAL_MMC_ERROR_INVALID_CALLBACK;
  1809.       /* update return status */
  1810.       status =  HAL_ERROR;
  1811.       break;
  1812.     }
  1813.   }
  1814.   else if (hmmc->State == HAL_MMC_STATE_RESET)
  1815.   {
  1816.     switch (CallbackId)
  1817.     {
  1818.     case HAL_MMC_MSP_INIT_CB_ID :
  1819.       hmmc->MspInitCallback = pCallback;
  1820.       break;
  1821.     case HAL_MMC_MSP_DEINIT_CB_ID :
  1822.       hmmc->MspDeInitCallback = pCallback;
  1823.       break;
  1824.     default :
  1825.       /* Update the error code */
  1826.       hmmc->ErrorCode |= HAL_MMC_ERROR_INVALID_CALLBACK;
  1827.       /* update return status */
  1828.       status =  HAL_ERROR;
  1829.       break;
  1830.     }
  1831.   }
  1832.   else
  1833.   {
  1834.     /* Update the error code */
  1835.     hmmc->ErrorCode |= HAL_MMC_ERROR_INVALID_CALLBACK;
  1836.     /* update return status */
  1837.     status =  HAL_ERROR;
  1838.   }
  1839.  
  1840.   /* Release Lock */
  1841.   __HAL_UNLOCK(hmmc);
  1842.   return status;
  1843. }
  1844.  
  1845. /**
  1846.   * @brief  Unregister a User MMC Callback
  1847.   *         MMC Callback is redirected to the weak (surcharged) predefined callback
  1848.   * @param hmmc : MMC handle
  1849.   * @param CallbackId : ID of the callback to be unregistered
  1850.   *        This parameter can be one of the following values:
  1851.   *          @arg @ref HAL_MMC_TX_CPLT_CB_ID    MMC Tx Complete Callback ID
  1852.   *          @arg @ref HAL_MMC_RX_CPLT_CB_ID    MMC Rx Complete Callback ID
  1853.   *          @arg @ref HAL_MMC_ERROR_CB_ID      MMC Error Callback ID
  1854.   *          @arg @ref HAL_MMC_ABORT_CB_ID      MMC Abort Callback ID
  1855.   *          @arg @ref HAL_MMC_MSP_INIT_CB_ID   MMC MspInit Callback ID
  1856.   *          @arg @ref HAL_MMC_MSP_DEINIT_CB_ID MMC MspDeInit Callback ID
  1857.   * @retval status
  1858.   */
  1859. HAL_StatusTypeDef HAL_MMC_UnRegisterCallback(MMC_HandleTypeDef *hmmc, HAL_MMC_CallbackIDTypeDef CallbackId)
  1860. {
  1861.   HAL_StatusTypeDef status = HAL_OK;
  1862.  
  1863.   /* Process locked */
  1864.   __HAL_LOCK(hmmc);
  1865.  
  1866.   if(hmmc->State == HAL_MMC_STATE_READY)
  1867.   {
  1868.     switch (CallbackId)
  1869.     {
  1870.     case HAL_MMC_TX_CPLT_CB_ID :
  1871.       hmmc->TxCpltCallback = HAL_MMC_TxCpltCallback;
  1872.       break;
  1873.     case HAL_MMC_RX_CPLT_CB_ID :
  1874.       hmmc->RxCpltCallback = HAL_MMC_RxCpltCallback;
  1875.       break;
  1876.     case HAL_MMC_ERROR_CB_ID :
  1877.       hmmc->ErrorCallback = HAL_MMC_ErrorCallback;
  1878.       break;
  1879.     case HAL_MMC_ABORT_CB_ID :
  1880.       hmmc->AbortCpltCallback = HAL_MMC_AbortCallback;
  1881.       break;
  1882.     case HAL_MMC_MSP_INIT_CB_ID :
  1883.       hmmc->MspInitCallback = HAL_MMC_MspInit;
  1884.       break;
  1885.     case HAL_MMC_MSP_DEINIT_CB_ID :
  1886.       hmmc->MspDeInitCallback = HAL_MMC_MspDeInit;
  1887.       break;
  1888.     default :
  1889.       /* Update the error code */
  1890.       hmmc->ErrorCode |= HAL_MMC_ERROR_INVALID_CALLBACK;
  1891.       /* update return status */
  1892.       status =  HAL_ERROR;
  1893.       break;
  1894.     }
  1895.   }
  1896.   else if (hmmc->State == HAL_MMC_STATE_RESET)
  1897.   {
  1898.     switch (CallbackId)
  1899.     {
  1900.     case HAL_MMC_MSP_INIT_CB_ID :
  1901.       hmmc->MspInitCallback = HAL_MMC_MspInit;
  1902.       break;
  1903.     case HAL_MMC_MSP_DEINIT_CB_ID :
  1904.       hmmc->MspDeInitCallback = HAL_MMC_MspDeInit;
  1905.       break;
  1906.     default :
  1907.       /* Update the error code */
  1908.       hmmc->ErrorCode |= HAL_MMC_ERROR_INVALID_CALLBACK;
  1909.       /* update return status */
  1910.       status =  HAL_ERROR;
  1911.       break;
  1912.     }
  1913.   }
  1914.   else
  1915.   {
  1916.     /* Update the error code */
  1917.     hmmc->ErrorCode |= HAL_MMC_ERROR_INVALID_CALLBACK;
  1918.     /* update return status */
  1919.     status =  HAL_ERROR;
  1920.   }
  1921.  
  1922.   /* Release Lock */
  1923.   __HAL_UNLOCK(hmmc);
  1924.   return status;
  1925. }
  1926. #endif
  1927.  
  1928. /**
  1929.   * @}
  1930.   */
  1931.  
  1932. /** @addtogroup MMC_Exported_Functions_Group3
  1933.  *  @brief   management functions
  1934.  *
  1935. @verbatim
  1936.   ==============================================================================
  1937.                       ##### Peripheral Control functions #####
  1938.   ==============================================================================
  1939.   [..]
  1940.     This subsection provides a set of functions allowing to control the MMC card
  1941.     operations and get the related information
  1942.  
  1943. @endverbatim
  1944.   * @{
  1945.   */
  1946.  
  1947. /**
  1948.   * @brief  Returns information the information of the card which are stored on
  1949.   *         the CID register.
  1950.   * @param  hmmc: Pointer to MMC handle
  1951.   * @param  pCID: Pointer to a HAL_MMC_CIDTypedef structure that
  1952.   *         contains all CID register parameters
  1953.   * @retval HAL status
  1954.   */
  1955. HAL_StatusTypeDef HAL_MMC_GetCardCID(MMC_HandleTypeDef *hmmc, HAL_MMC_CardCIDTypeDef *pCID)
  1956. {
  1957.   pCID->ManufacturerID = (uint8_t)((hmmc->CID[0] & 0xFF000000U) >> 24U);
  1958.  
  1959.   pCID->OEM_AppliID = (uint16_t)((hmmc->CID[0] & 0x00FFFF00U) >> 8U);
  1960.  
  1961.   pCID->ProdName1 = (((hmmc->CID[0] & 0x000000FFU) << 24U) | ((hmmc->CID[1] & 0xFFFFFF00U) >> 8U));
  1962.  
  1963.   pCID->ProdName2 = (uint8_t)(hmmc->CID[1] & 0x000000FFU);
  1964.  
  1965.   pCID->ProdRev = (uint8_t)((hmmc->CID[2] & 0xFF000000U) >> 24U);
  1966.  
  1967.   pCID->ProdSN = (((hmmc->CID[2] & 0x00FFFFFFU) << 8U) | ((hmmc->CID[3] & 0xFF000000U) >> 24U));
  1968.  
  1969.   pCID->Reserved1 = (uint8_t)((hmmc->CID[3] & 0x00F00000U) >> 20U);
  1970.  
  1971.   pCID->ManufactDate = (uint16_t)((hmmc->CID[3] & 0x000FFF00U) >> 8U);
  1972.  
  1973.   pCID->CID_CRC = (uint8_t)((hmmc->CID[3] & 0x000000FEU) >> 1U);
  1974.  
  1975.   pCID->Reserved2 = 1U;
  1976.  
  1977.   return HAL_OK;
  1978. }
  1979.  
  1980. /**
  1981.   * @brief  Returns information the information of the card which are stored on
  1982.   *         the CSD register.
  1983.   * @param  hmmc: Pointer to MMC handle
  1984.   * @param  pCSD: Pointer to a HAL_MMC_CardCSDTypeDef structure that
  1985.   *         contains all CSD register parameters
  1986.   * @retval HAL status
  1987.   */
  1988. HAL_StatusTypeDef HAL_MMC_GetCardCSD(MMC_HandleTypeDef *hmmc, HAL_MMC_CardCSDTypeDef *pCSD)
  1989. {
  1990.   uint32_t block_nbr = 0;
  1991.  
  1992.   pCSD->CSDStruct = (uint8_t)((hmmc->CSD[0] & 0xC0000000U) >> 30U);
  1993.  
  1994.   pCSD->SysSpecVersion = (uint8_t)((hmmc->CSD[0] & 0x3C000000U) >> 26U);
  1995.  
  1996.   pCSD->Reserved1 = (uint8_t)((hmmc->CSD[0] & 0x03000000U) >> 24U);
  1997.  
  1998.   pCSD->TAAC = (uint8_t)((hmmc->CSD[0] & 0x00FF0000U) >> 16U);
  1999.  
  2000.   pCSD->NSAC = (uint8_t)((hmmc->CSD[0] & 0x0000FF00U) >> 8U);
  2001.  
  2002.   pCSD->MaxBusClkFrec = (uint8_t)(hmmc->CSD[0] & 0x000000FFU);
  2003.  
  2004.   pCSD->CardComdClasses = (uint16_t)((hmmc->CSD[1] & 0xFFF00000U) >> 20U);
  2005.  
  2006.   pCSD->RdBlockLen = (uint8_t)((hmmc->CSD[1] & 0x000F0000U) >> 16U);
  2007.  
  2008.   pCSD->PartBlockRead   = (uint8_t)((hmmc->CSD[1] & 0x00008000U) >> 15U);
  2009.  
  2010.   pCSD->WrBlockMisalign = (uint8_t)((hmmc->CSD[1] & 0x00004000U) >> 14U);
  2011.  
  2012.   pCSD->RdBlockMisalign = (uint8_t)((hmmc->CSD[1] & 0x00002000U) >> 13U);
  2013.  
  2014.   pCSD->DSRImpl = (uint8_t)((hmmc->CSD[1] & 0x00001000U) >> 12U);
  2015.  
  2016.   pCSD->Reserved2 = 0U; /*!< Reserved */
  2017.  
  2018.   pCSD->DeviceSize = (((hmmc->CSD[1] & 0x000003FFU) << 2U) | ((hmmc->CSD[2] & 0xC0000000U) >> 30U));
  2019.  
  2020.   pCSD->MaxRdCurrentVDDMin = (uint8_t)((hmmc->CSD[2] & 0x38000000U) >> 27U);
  2021.  
  2022.   pCSD->MaxRdCurrentVDDMax = (uint8_t)((hmmc->CSD[2] & 0x07000000U) >> 24U);
  2023.  
  2024.   pCSD->MaxWrCurrentVDDMin = (uint8_t)((hmmc->CSD[2] & 0x00E00000U) >> 21U);
  2025.  
  2026.   pCSD->MaxWrCurrentVDDMax = (uint8_t)((hmmc->CSD[2] & 0x001C0000U) >> 18U);
  2027.  
  2028.   pCSD->DeviceSizeMul = (uint8_t)((hmmc->CSD[2] & 0x00038000U) >> 15U);
  2029.  
  2030.   if(MMC_ReadExtCSD(hmmc, &block_nbr, 212, 0x0FFFFFFFU) != HAL_OK) /* Field SEC_COUNT [215:212] */
  2031.   {
  2032.     return HAL_ERROR;
  2033.   }
  2034.  
  2035.   if(hmmc->MmcCard.CardType == MMC_LOW_CAPACITY_CARD)
  2036.   {
  2037.     hmmc->MmcCard.BlockNbr  = (pCSD->DeviceSize + 1U) ;
  2038.     hmmc->MmcCard.BlockNbr *= (1UL << ((pCSD->DeviceSizeMul & 0x07U) + 2U));
  2039.     hmmc->MmcCard.BlockSize = (1UL << (pCSD->RdBlockLen & 0x0FU));
  2040.     hmmc->MmcCard.LogBlockNbr =  (hmmc->MmcCard.BlockNbr) * ((hmmc->MmcCard.BlockSize) / 512U);
  2041.     hmmc->MmcCard.LogBlockSize = 512U;
  2042.   }
  2043.   else if(hmmc->MmcCard.CardType == MMC_HIGH_CAPACITY_CARD)
  2044.   {
  2045.     hmmc->MmcCard.BlockNbr = block_nbr;
  2046.     hmmc->MmcCard.LogBlockNbr = hmmc->MmcCard.BlockNbr;
  2047.     hmmc->MmcCard.BlockSize = 512U;
  2048.     hmmc->MmcCard.LogBlockSize = hmmc->MmcCard.BlockSize;
  2049.   }
  2050.   else
  2051.   {
  2052.     /* Clear all the static flags */
  2053.     __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  2054.     hmmc->ErrorCode |= HAL_MMC_ERROR_UNSUPPORTED_FEATURE;
  2055.     hmmc->State = HAL_MMC_STATE_READY;
  2056.     return HAL_ERROR;
  2057.   }
  2058.  
  2059.   pCSD->EraseGrSize = (uint8_t)((hmmc->CSD[2] & 0x00004000U) >> 14U);
  2060.  
  2061.   pCSD->EraseGrMul = (uint8_t)((hmmc->CSD[2] & 0x00003F80U) >> 7U);
  2062.  
  2063.   pCSD->WrProtectGrSize = (uint8_t)(hmmc->CSD[2] & 0x0000007FU);
  2064.  
  2065.   pCSD->WrProtectGrEnable = (uint8_t)((hmmc->CSD[3] & 0x80000000U) >> 31U);
  2066.  
  2067.   pCSD->ManDeflECC = (uint8_t)((hmmc->CSD[3] & 0x60000000U) >> 29U);
  2068.  
  2069.   pCSD->WrSpeedFact = (uint8_t)((hmmc->CSD[3] & 0x1C000000U) >> 26U);
  2070.  
  2071.   pCSD->MaxWrBlockLen= (uint8_t)((hmmc->CSD[3] & 0x03C00000U) >> 22U);
  2072.  
  2073.   pCSD->WriteBlockPaPartial = (uint8_t)((hmmc->CSD[3] & 0x00200000U) >> 21U);
  2074.  
  2075.   pCSD->Reserved3 = 0;
  2076.  
  2077.   pCSD->ContentProtectAppli = (uint8_t)((hmmc->CSD[3] & 0x00010000U) >> 16U);
  2078.  
  2079.   pCSD->FileFormatGroup = (uint8_t)((hmmc->CSD[3] & 0x00008000U) >> 15U);
  2080.  
  2081.   pCSD->CopyFlag = (uint8_t)((hmmc->CSD[3] & 0x00004000U) >> 14U);
  2082.  
  2083.   pCSD->PermWrProtect = (uint8_t)((hmmc->CSD[3] & 0x00002000U) >> 13U);
  2084.  
  2085.   pCSD->TempWrProtect = (uint8_t)((hmmc->CSD[3] & 0x00001000U) >> 12U);
  2086.  
  2087.   pCSD->FileFormat = (uint8_t)((hmmc->CSD[3] & 0x00000C00U) >> 10U);
  2088.  
  2089.   pCSD->ECC= (uint8_t)((hmmc->CSD[3] & 0x00000300U) >> 8U);
  2090.  
  2091.   pCSD->CSD_CRC = (uint8_t)((hmmc->CSD[3] & 0x000000FEU) >> 1U);
  2092.  
  2093.   pCSD->Reserved4 = 1;
  2094.  
  2095.   return HAL_OK;
  2096. }
  2097.  
  2098. /**
  2099.   * @brief  Gets the MMC card info.
  2100.   * @param  hmmc: Pointer to MMC handle
  2101.   * @param  pCardInfo: Pointer to the HAL_MMC_CardInfoTypeDef structure that
  2102.   *         will contain the MMC card status information
  2103.   * @retval HAL status
  2104.   */
  2105. HAL_StatusTypeDef HAL_MMC_GetCardInfo(MMC_HandleTypeDef *hmmc, HAL_MMC_CardInfoTypeDef *pCardInfo)
  2106. {
  2107.   pCardInfo->CardType     = (uint32_t)(hmmc->MmcCard.CardType);
  2108.   pCardInfo->Class        = (uint32_t)(hmmc->MmcCard.Class);
  2109.   pCardInfo->RelCardAdd   = (uint32_t)(hmmc->MmcCard.RelCardAdd);
  2110.   pCardInfo->BlockNbr     = (uint32_t)(hmmc->MmcCard.BlockNbr);
  2111.   pCardInfo->BlockSize    = (uint32_t)(hmmc->MmcCard.BlockSize);
  2112.   pCardInfo->LogBlockNbr  = (uint32_t)(hmmc->MmcCard.LogBlockNbr);
  2113.   pCardInfo->LogBlockSize = (uint32_t)(hmmc->MmcCard.LogBlockSize);
  2114.  
  2115.   return HAL_OK;
  2116. }
  2117.  
  2118. /**
  2119.   * @brief  Returns information the information of the card which are stored on
  2120.   *         the Extended CSD register.
  2121.   * @param  hmmc Pointer to MMC handle
  2122.   * @param  pExtCSD Pointer to a memory area (512 bytes) that contains all
  2123.   *         Extended CSD register parameters
  2124.   * @param  Timeout Specify timeout value
  2125.   * @retval HAL status
  2126.   */
  2127. HAL_StatusTypeDef HAL_MMC_GetCardExtCSD(MMC_HandleTypeDef *hmmc, uint32_t *pExtCSD, uint32_t Timeout)
  2128. {
  2129.   SDIO_DataInitTypeDef config;
  2130.   uint32_t errorstate;
  2131.   uint32_t tickstart = HAL_GetTick();
  2132.   uint32_t count;
  2133.   uint32_t *tmp_buf;
  2134.  
  2135.   if(NULL == pExtCSD)
  2136.   {
  2137.     hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
  2138.     return HAL_ERROR;
  2139.   }
  2140.  
  2141.   if(hmmc->State == HAL_MMC_STATE_READY)
  2142.   {
  2143.     hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
  2144.  
  2145.     hmmc->State = HAL_MMC_STATE_BUSY;
  2146.  
  2147.     /* Initialize data control register */
  2148.     hmmc->Instance->DCTRL = 0;
  2149.  
  2150.     /* Initiaize the destination pointer */
  2151.     tmp_buf = pExtCSD;
  2152.  
  2153.     /* Configure the MMC DPSM (Data Path State Machine) */
  2154.     config.DataTimeOut   = SDMMC_DATATIMEOUT;
  2155.     config.DataLength    = 512;
  2156.     config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
  2157.     config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
  2158.     config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
  2159.     config.DPSM          = SDIO_DPSM_ENABLE;
  2160.     (void)SDIO_ConfigData(hmmc->Instance, &config);
  2161.  
  2162.     /* Send ExtCSD Read command to Card */
  2163.     errorstate = SDMMC_CmdSendEXTCSD(hmmc->Instance, 0);
  2164.     if(errorstate != HAL_MMC_ERROR_NONE)
  2165.     {
  2166.       /* Clear all the static flags */
  2167.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  2168.       hmmc->ErrorCode |= errorstate;
  2169.       hmmc->State = HAL_MMC_STATE_READY;
  2170.       return HAL_ERROR;
  2171.     }
  2172.  
  2173.     /* Poll on SDMMC flags */
  2174.     while(!__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DATAEND))
  2175.     {
  2176.       if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXFIFOHF))
  2177.       {
  2178.         /* Read data from SDMMC Rx FIFO */
  2179.         for(count = 0U; count < 8U; count++)
  2180.         {
  2181.           *tmp_buf = SDIO_ReadFIFO(hmmc->Instance);
  2182.           tmp_buf++;
  2183.         }
  2184.       }
  2185.  
  2186.       if(((HAL_GetTick()-tickstart) >=  Timeout) || (Timeout == 0U))
  2187.       {
  2188.         /* Clear all the static flags */
  2189.         __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  2190.         hmmc->ErrorCode |= HAL_MMC_ERROR_TIMEOUT;
  2191.         hmmc->State= HAL_MMC_STATE_READY;
  2192.         return HAL_TIMEOUT;
  2193.       }
  2194.     }
  2195.  
  2196.     /* Get error state */
  2197.     if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DTIMEOUT))
  2198.     {
  2199.       /* Clear all the static flags */
  2200.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  2201.       hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_TIMEOUT;
  2202.       hmmc->State = HAL_MMC_STATE_READY;
  2203.       return HAL_ERROR;
  2204.     }
  2205.     else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DCRCFAIL))
  2206.     {
  2207.       /* Clear all the static flags */
  2208.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  2209.       hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_CRC_FAIL;
  2210.       hmmc->State = HAL_MMC_STATE_READY;
  2211.       return HAL_ERROR;
  2212.     }
  2213.     else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXOVERR))
  2214.     {
  2215.       /* Clear all the static flags */
  2216.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  2217.       hmmc->ErrorCode |= HAL_MMC_ERROR_RX_OVERRUN;
  2218.       hmmc->State = HAL_MMC_STATE_READY;
  2219.       return HAL_ERROR;
  2220.     }
  2221.     else
  2222.     {
  2223.       /* Nothing to do */
  2224.     }
  2225.  
  2226.     /* Clear all the static flags */
  2227.     __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
  2228.     hmmc->State = HAL_MMC_STATE_READY;
  2229.   }
  2230.  
  2231.   return HAL_OK;
  2232. }
  2233.  
  2234. /**
  2235.   * @brief  Enables wide bus operation for the requested card if supported by
  2236.   *         card.
  2237.   * @param  hmmc: Pointer to MMC handle
  2238.   * @param  WideMode: Specifies the MMC card wide bus mode
  2239.   *          This parameter can be one of the following values:
  2240.   *            @arg SDIO_BUS_WIDE_8B: 8-bit data transfer
  2241.   *            @arg SDIO_BUS_WIDE_4B: 4-bit data transfer
  2242.   *            @arg SDIO_BUS_WIDE_1B: 1-bit data transfer
  2243.   * @retval HAL status
  2244.   */
  2245. HAL_StatusTypeDef HAL_MMC_ConfigWideBusOperation(MMC_HandleTypeDef *hmmc, uint32_t WideMode)
  2246. {
  2247.   uint32_t count;
  2248.   SDIO_InitTypeDef Init;
  2249.   uint32_t errorstate;
  2250.   uint32_t response = 0U;
  2251.  
  2252.   /* Check the parameters */
  2253.   assert_param(IS_SDIO_BUS_WIDE(WideMode));
  2254.  
  2255.   /* Change State */
  2256.   hmmc->State = HAL_MMC_STATE_BUSY;
  2257.  
  2258.   errorstate = MMC_PwrClassUpdate(hmmc, WideMode);
  2259.  
  2260.   if(errorstate == HAL_MMC_ERROR_NONE)
  2261.   {
  2262.     if(WideMode == SDIO_BUS_WIDE_8B)
  2263.     {
  2264.       errorstate = SDMMC_CmdSwitch(hmmc->Instance, 0x03B70200U);
  2265.     }
  2266.     else if(WideMode == SDIO_BUS_WIDE_4B)
  2267.     {
  2268.       errorstate = SDMMC_CmdSwitch(hmmc->Instance, 0x03B70100U);
  2269.     }
  2270.     else if(WideMode == SDIO_BUS_WIDE_1B)
  2271.     {
  2272.       errorstate = SDMMC_CmdSwitch(hmmc->Instance, 0x03B70000U);
  2273.     }
  2274.     else
  2275.     {
  2276.       /* WideMode is not a valid argument*/
  2277.       errorstate = HAL_MMC_ERROR_PARAM;
  2278.     }
  2279.  
  2280.     /* Check for switch error and violation of the trial number of sending CMD 13 */
  2281.     if(errorstate == HAL_MMC_ERROR_NONE)
  2282.     {
  2283.       /* While card is not ready for data and trial number for sending CMD13 is not exceeded */
  2284.       count = SDMMC_MAX_TRIAL;
  2285.       do
  2286.       {
  2287.         errorstate = SDMMC_CmdSendStatus(hmmc->Instance, (uint32_t)(((uint32_t)hmmc->MmcCard.RelCardAdd) << 16U));
  2288.         if(errorstate != HAL_MMC_ERROR_NONE)
  2289.         {
  2290.           break;
  2291.         }
  2292.        
  2293.         /* Get command response */
  2294.         response = SDIO_GetResponse(hmmc->Instance, SDIO_RESP1);
  2295.         count--;
  2296.       }while(((response & 0x100U) == 0U) && (count != 0U));
  2297.  
  2298.       /* Check the status after the switch command execution */
  2299.       if ((count != 0U) && (errorstate == HAL_MMC_ERROR_NONE))
  2300.       {
  2301.         /* Check the bit SWITCH_ERROR of the device status */
  2302.         if ((response & 0x80U) != 0U)
  2303.         {
  2304.           errorstate = SDMMC_ERROR_GENERAL_UNKNOWN_ERR;
  2305.         }
  2306.         else
  2307.         {
  2308.           /* Configure the SDIO peripheral */
  2309.           Init = hmmc->Init;
  2310.           Init.BusWide = WideMode;
  2311.           (void)SDIO_Init(hmmc->Instance, Init);
  2312.         }
  2313.       }
  2314.       else if (count == 0U)
  2315.       {
  2316.         errorstate = SDMMC_ERROR_TIMEOUT;
  2317.       }
  2318.       else
  2319.       {
  2320.         /* Nothing to do */
  2321.       }
  2322.     }
  2323.   }
  2324.  
  2325.   /* Change State */
  2326.   hmmc->State = HAL_MMC_STATE_READY;
  2327.  
  2328.   if(errorstate != HAL_MMC_ERROR_NONE)
  2329.   {
  2330.     /* Clear all the static flags */
  2331.     __HAL_MMC_CLEAR_FLAG(hmmc, SDMMC_STATIC_FLAGS);
  2332.     hmmc->ErrorCode |= errorstate;
  2333.     return HAL_ERROR;
  2334.   }
  2335.  
  2336.   return HAL_OK;
  2337. }
  2338.  
  2339. /**
  2340.   * @brief  Gets the current mmc card data state.
  2341.   * @param  hmmc: pointer to MMC handle
  2342.   * @retval Card state
  2343.   */
  2344. HAL_MMC_CardStateTypeDef HAL_MMC_GetCardState(MMC_HandleTypeDef *hmmc)
  2345. {
  2346.   uint32_t cardstate;
  2347.   uint32_t errorstate;
  2348.   uint32_t resp1 = 0U;
  2349.  
  2350.   errorstate = MMC_SendStatus(hmmc, &resp1);
  2351.   if(errorstate != HAL_MMC_ERROR_NONE)
  2352.   {
  2353.     hmmc->ErrorCode |= errorstate;
  2354.   }
  2355.  
  2356.   cardstate = ((resp1 >> 9U) & 0x0FU);
  2357.  
  2358.   return (HAL_MMC_CardStateTypeDef)cardstate;
  2359. }
  2360.  
  2361. /**
  2362.   * @brief  Abort the current transfer and disable the MMC.
  2363.   * @param  hmmc: pointer to a MMC_HandleTypeDef structure that contains
  2364.   *                the configuration information for MMC module.
  2365.   * @retval HAL status
  2366.   */
  2367. HAL_StatusTypeDef HAL_MMC_Abort(MMC_HandleTypeDef *hmmc)
  2368. {
  2369.   HAL_MMC_CardStateTypeDef CardState;
  2370.  
  2371.   /* DIsable All interrupts */
  2372.   __HAL_MMC_DISABLE_IT(hmmc, SDIO_IT_DATAEND | SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT|\
  2373.                              SDIO_IT_TXUNDERR| SDIO_IT_RXOVERR);
  2374.  
  2375.   /* Clear All flags */
  2376.   __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
  2377.  
  2378.   if((hmmc->hdmatx != NULL) || (hmmc->hdmarx != NULL))
  2379.   {
  2380.     /* Disable the MMC DMA request */
  2381.     hmmc->Instance->DCTRL &= (uint32_t)~((uint32_t)SDIO_DCTRL_DMAEN);
  2382.    
  2383.     /* Abort the MMC DMA Tx Stream */
  2384.     if(hmmc->hdmatx != NULL)
  2385.     {
  2386.       if(HAL_DMA_Abort(hmmc->hdmatx) != HAL_OK)
  2387.       {
  2388.         hmmc->ErrorCode |= HAL_MMC_ERROR_DMA;
  2389.       }
  2390.     }
  2391.     /* Abort the MMC DMA Rx Stream */
  2392.     if(hmmc->hdmarx != NULL)
  2393.     {
  2394.       if(HAL_DMA_Abort(hmmc->hdmarx) != HAL_OK)
  2395.       {
  2396.         hmmc->ErrorCode |= HAL_MMC_ERROR_DMA;
  2397.       }
  2398.     }
  2399.   }
  2400.  
  2401.   hmmc->State = HAL_MMC_STATE_READY;
  2402.  
  2403.   /* Initialize the MMC operation */
  2404.   hmmc->Context = MMC_CONTEXT_NONE;
  2405.  
  2406.   CardState = HAL_MMC_GetCardState(hmmc);
  2407.   if((CardState == HAL_MMC_CARD_RECEIVING) || (CardState == HAL_MMC_CARD_SENDING))
  2408.   {
  2409.     hmmc->ErrorCode = SDMMC_CmdStopTransfer(hmmc->Instance);
  2410.   }
  2411.   if(hmmc->ErrorCode != HAL_MMC_ERROR_NONE)
  2412.   {
  2413.     return HAL_ERROR;
  2414.   }
  2415.   return HAL_OK;
  2416. }
  2417.  
  2418. /**
  2419.   * @brief  Abort the current transfer and disable the MMC (IT mode).
  2420.   * @param  hmmc: pointer to a MMC_HandleTypeDef structure that contains
  2421.   *                the configuration information for MMC module.
  2422.   * @retval HAL status
  2423.   */
  2424. HAL_StatusTypeDef HAL_MMC_Abort_IT(MMC_HandleTypeDef *hmmc)
  2425. {
  2426.   HAL_MMC_CardStateTypeDef CardState;
  2427.  
  2428.   /* DIsable All interrupts */
  2429.   __HAL_MMC_DISABLE_IT(hmmc, SDIO_IT_DATAEND | SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT|\
  2430.                            SDIO_IT_TXUNDERR| SDIO_IT_RXOVERR);
  2431.  
  2432.   /* Clear All flags */
  2433.   __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
  2434.  
  2435.   if((hmmc->hdmatx != NULL) || (hmmc->hdmarx != NULL))
  2436.   {
  2437.     /* Disable the MMC DMA request */
  2438.     hmmc->Instance->DCTRL &= (uint32_t)~((uint32_t)SDIO_DCTRL_DMAEN);
  2439.    
  2440.     /* Abort the MMC DMA Tx Stream */
  2441.     if(hmmc->hdmatx != NULL)
  2442.     {
  2443.       hmmc->hdmatx->XferAbortCallback =  MMC_DMATxAbort;
  2444.       if(HAL_DMA_Abort_IT(hmmc->hdmatx) != HAL_OK)
  2445.       {
  2446.         hmmc->hdmatx = NULL;
  2447.       }
  2448.     }
  2449.     /* Abort the MMC DMA Rx Stream */
  2450.     if(hmmc->hdmarx != NULL)
  2451.     {
  2452.       hmmc->hdmarx->XferAbortCallback =  MMC_DMARxAbort;
  2453.       if(HAL_DMA_Abort_IT(hmmc->hdmarx) != HAL_OK)
  2454.       {
  2455.         hmmc->hdmarx = NULL;
  2456.       }
  2457.     }
  2458.   }
  2459.  
  2460.   /* No transfer ongoing on both DMA channels*/
  2461.   if((hmmc->hdmatx == NULL) && (hmmc->hdmarx == NULL))
  2462.   {
  2463.     CardState = HAL_MMC_GetCardState(hmmc);
  2464.     hmmc->State = HAL_MMC_STATE_READY;
  2465.  
  2466.     if((CardState == HAL_MMC_CARD_RECEIVING) || (CardState == HAL_MMC_CARD_SENDING))
  2467.     {
  2468.       hmmc->ErrorCode = SDMMC_CmdStopTransfer(hmmc->Instance);
  2469.     }
  2470.     if(hmmc->ErrorCode != HAL_MMC_ERROR_NONE)
  2471.     {
  2472.       return HAL_ERROR;
  2473.     }
  2474.     else
  2475.     {
  2476. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  2477.       hmmc->AbortCpltCallback(hmmc);
  2478. #else
  2479.       HAL_MMC_AbortCallback(hmmc);
  2480. #endif
  2481.     }
  2482.   }
  2483.  
  2484.   return HAL_OK;
  2485. }
  2486.  
  2487. /**
  2488.   * @}
  2489.   */
  2490.  
  2491. /**
  2492.   * @}
  2493.   */
  2494.  
  2495. /* Private function ----------------------------------------------------------*/
  2496. /** @addtogroup MMC_Private_Functions
  2497.   * @{
  2498.   */
  2499.  
  2500. /**
  2501.   * @brief  DMA MMC transmit process complete callback
  2502.   * @param  hdma: DMA handle
  2503.   * @retval None
  2504.   */
  2505. static void MMC_DMATransmitCplt(DMA_HandleTypeDef *hdma)    
  2506. {
  2507.   MMC_HandleTypeDef* hmmc = (MMC_HandleTypeDef* )(hdma->Parent);
  2508.  
  2509.   /* Enable DATAEND Interrupt */
  2510.   __HAL_MMC_ENABLE_IT(hmmc, (SDIO_IT_DATAEND));
  2511. }
  2512.  
  2513. /**
  2514.   * @brief  DMA MMC receive process complete callback
  2515.   * @param  hdma: DMA handle
  2516.   * @retval None
  2517.   */
  2518. static void MMC_DMAReceiveCplt(DMA_HandleTypeDef *hdma)  
  2519. {
  2520.   MMC_HandleTypeDef* hmmc = (MMC_HandleTypeDef* )(hdma->Parent);
  2521.   uint32_t errorstate;
  2522.  
  2523.   /* Send stop command in multiblock write */
  2524.   if(hmmc->Context == (MMC_CONTEXT_READ_MULTIPLE_BLOCK | MMC_CONTEXT_DMA))
  2525.   {
  2526.     errorstate = SDMMC_CmdStopTransfer(hmmc->Instance);
  2527.     if(errorstate != HAL_MMC_ERROR_NONE)
  2528.     {
  2529.       hmmc->ErrorCode |= errorstate;
  2530. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  2531.       hmmc->ErrorCallback(hmmc);
  2532. #else
  2533.       HAL_MMC_ErrorCallback(hmmc);
  2534. #endif
  2535.     }
  2536.   }
  2537.  
  2538.   /* Disable the DMA transfer for transmit request by setting the DMAEN bit
  2539.   in the MMC DCTRL register */
  2540.   hmmc->Instance->DCTRL &= (uint32_t)~((uint32_t)SDIO_DCTRL_DMAEN);
  2541.  
  2542.   /* Clear all the static flags */
  2543.   __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
  2544.  
  2545.   hmmc->State = HAL_MMC_STATE_READY;
  2546.  
  2547. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  2548.   hmmc->RxCpltCallback(hmmc);
  2549. #else
  2550.   HAL_MMC_RxCpltCallback(hmmc);
  2551. #endif
  2552. }
  2553.  
  2554. /**
  2555.   * @brief  DMA MMC communication error callback
  2556.   * @param  hdma: DMA handle
  2557.   * @retval None
  2558.   */
  2559. static void MMC_DMAError(DMA_HandleTypeDef *hdma)  
  2560. {
  2561.   MMC_HandleTypeDef* hmmc = (MMC_HandleTypeDef* )(hdma->Parent);
  2562.   HAL_MMC_CardStateTypeDef CardState;
  2563.   uint32_t RxErrorCode, TxErrorCode;
  2564.  
  2565.     RxErrorCode = hmmc->hdmarx->ErrorCode;
  2566.     TxErrorCode = hmmc->hdmatx->ErrorCode;  
  2567.     if((RxErrorCode == HAL_DMA_ERROR_TE) || (TxErrorCode == HAL_DMA_ERROR_TE))
  2568.     {
  2569.       /* Clear All flags */
  2570.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  2571.      
  2572.       /* Disable All interrupts */
  2573.       __HAL_MMC_DISABLE_IT(hmmc, SDIO_IT_DATAEND | SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT|\
  2574.         SDIO_IT_TXUNDERR| SDIO_IT_RXOVERR);
  2575.      
  2576.       hmmc->ErrorCode |= HAL_MMC_ERROR_DMA;
  2577.       CardState = HAL_MMC_GetCardState(hmmc);
  2578.       if((CardState == HAL_MMC_CARD_RECEIVING) || (CardState == HAL_MMC_CARD_SENDING))
  2579.       {
  2580.         hmmc->ErrorCode |= SDMMC_CmdStopTransfer(hmmc->Instance);
  2581.       }
  2582.      
  2583.       hmmc->State= HAL_MMC_STATE_READY;
  2584.     }
  2585.    
  2586. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  2587.     hmmc->ErrorCallback(hmmc);
  2588. #else
  2589.     HAL_MMC_ErrorCallback(hmmc);
  2590. #endif
  2591. }
  2592.  
  2593. /**
  2594.   * @brief  DMA MMC Tx Abort callback
  2595.   * @param  hdma: DMA handle
  2596.   * @retval None
  2597.   */
  2598. static void MMC_DMATxAbort(DMA_HandleTypeDef *hdma)  
  2599. {
  2600.   MMC_HandleTypeDef* hmmc = (MMC_HandleTypeDef* )(hdma->Parent);
  2601.   HAL_MMC_CardStateTypeDef CardState;
  2602.  
  2603.   if(hmmc->hdmatx != NULL)
  2604.   {
  2605.     hmmc->hdmatx = NULL;
  2606.   }
  2607.  
  2608.   /* All DMA channels are aborted */
  2609.   if(hmmc->hdmarx == NULL)
  2610.   {
  2611.     CardState = HAL_MMC_GetCardState(hmmc);
  2612.     hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
  2613.     hmmc->State = HAL_MMC_STATE_READY;
  2614.     if((CardState == HAL_MMC_CARD_RECEIVING) || (CardState == HAL_MMC_CARD_SENDING))
  2615.     {
  2616.       hmmc->ErrorCode |= SDMMC_CmdStopTransfer(hmmc->Instance);
  2617.      
  2618.       if(hmmc->ErrorCode != HAL_MMC_ERROR_NONE)
  2619.       {
  2620. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  2621.         hmmc->AbortCpltCallback(hmmc);
  2622. #else
  2623.         HAL_MMC_AbortCallback(hmmc);
  2624. #endif
  2625.       }
  2626.       else
  2627.       {
  2628. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  2629.         hmmc->ErrorCallback(hmmc);
  2630. #else
  2631.         HAL_MMC_ErrorCallback(hmmc);
  2632. #endif
  2633.       }
  2634.     }
  2635.   }
  2636. }
  2637.  
  2638. /**
  2639.   * @brief  DMA MMC Rx Abort callback
  2640.   * @param  hdma: DMA handle
  2641.   * @retval None
  2642.   */
  2643. static void MMC_DMARxAbort(DMA_HandleTypeDef *hdma)  
  2644. {
  2645.   MMC_HandleTypeDef* hmmc = (MMC_HandleTypeDef* )(hdma->Parent);
  2646.   HAL_MMC_CardStateTypeDef CardState;
  2647.  
  2648.   if(hmmc->hdmarx != NULL)
  2649.   {
  2650.     hmmc->hdmarx = NULL;
  2651.   }
  2652.  
  2653.   /* All DMA channels are aborted */
  2654.   if(hmmc->hdmatx == NULL)
  2655.   {
  2656.     CardState = HAL_MMC_GetCardState(hmmc);
  2657.     hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
  2658.     hmmc->State = HAL_MMC_STATE_READY;
  2659.     if((CardState == HAL_MMC_CARD_RECEIVING) || (CardState == HAL_MMC_CARD_SENDING))
  2660.     {
  2661.       hmmc->ErrorCode |= SDMMC_CmdStopTransfer(hmmc->Instance);
  2662.      
  2663.       if(hmmc->ErrorCode != HAL_MMC_ERROR_NONE)
  2664.       {
  2665. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  2666.         hmmc->AbortCpltCallback(hmmc);
  2667. #else
  2668.         HAL_MMC_AbortCallback(hmmc);
  2669. #endif
  2670.       }
  2671.       else
  2672.       {
  2673. #if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  2674.         hmmc->ErrorCallback(hmmc);
  2675. #else
  2676.         HAL_MMC_ErrorCallback(hmmc);
  2677. #endif
  2678.       }
  2679.     }
  2680.   }
  2681. }
  2682.  
  2683. /**
  2684.   * @brief  Initializes the mmc card.
  2685.   * @param  hmmc: Pointer to MMC handle
  2686.   * @retval MMC Card error state
  2687.   */
  2688. static uint32_t MMC_InitCard(MMC_HandleTypeDef *hmmc)
  2689. {
  2690.   HAL_MMC_CardCSDTypeDef CSD;
  2691.   uint32_t errorstate;
  2692.   uint16_t mmc_rca = 2U;
  2693.   MMC_InitTypeDef Init;
  2694.  
  2695.   /* Check the power State */
  2696.   if(SDIO_GetPowerState(hmmc->Instance) == 0U)
  2697.   {
  2698.     /* Power off */
  2699.     return HAL_MMC_ERROR_REQUEST_NOT_APPLICABLE;
  2700.   }
  2701.  
  2702.   /* Send CMD2 ALL_SEND_CID */
  2703.   errorstate = SDMMC_CmdSendCID(hmmc->Instance);
  2704.   if(errorstate != HAL_MMC_ERROR_NONE)
  2705.   {
  2706.     return errorstate;
  2707.   }
  2708.   else
  2709.   {
  2710.     /* Get Card identification number data */
  2711.     hmmc->CID[0U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP1);
  2712.     hmmc->CID[1U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP2);
  2713.     hmmc->CID[2U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP3);
  2714.     hmmc->CID[3U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP4);
  2715.   }
  2716.  
  2717.   /* Send CMD3 SET_REL_ADDR with RCA = 2 (should be greater than 1) */
  2718.   /* MMC Card publishes its RCA. */
  2719.   errorstate = SDMMC_CmdSetRelAddMmc(hmmc->Instance, mmc_rca);
  2720.   if(errorstate != HAL_MMC_ERROR_NONE)
  2721.   {
  2722.     return errorstate;
  2723.   }
  2724.  
  2725.   /* Get the MMC card RCA */
  2726.   hmmc->MmcCard.RelCardAdd = mmc_rca;
  2727.  
  2728.   /* Send CMD9 SEND_CSD with argument as card's RCA */
  2729.   errorstate = SDMMC_CmdSendCSD(hmmc->Instance, (uint32_t)(hmmc->MmcCard.RelCardAdd << 16U));
  2730.   if(errorstate != HAL_MMC_ERROR_NONE)
  2731.   {
  2732.     return errorstate;
  2733.   }
  2734.   else
  2735.   {
  2736.     /* Get Card Specific Data */
  2737.     hmmc->CSD[0U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP1);
  2738.     hmmc->CSD[1U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP2);
  2739.     hmmc->CSD[2U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP3);
  2740.     hmmc->CSD[3U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP4);
  2741.   }
  2742.  
  2743.   /* Get the Card Class */
  2744.   hmmc->MmcCard.Class = (SDIO_GetResponse(hmmc->Instance, SDIO_RESP2) >> 20U);
  2745.  
  2746.   /* Select the Card */
  2747.   errorstate = SDMMC_CmdSelDesel(hmmc->Instance, (uint32_t)(((uint32_t)hmmc->MmcCard.RelCardAdd) << 16U));
  2748.   if(errorstate != HAL_MMC_ERROR_NONE)
  2749.   {
  2750.     return errorstate;
  2751.   }
  2752.  
  2753.   /* Get CSD parameters */
  2754.   if (HAL_MMC_GetCardCSD(hmmc, &CSD) != HAL_OK)
  2755.   {
  2756.     return hmmc->ErrorCode;
  2757.   }
  2758.  
  2759.   /* While card is not ready for data and trial number for sending CMD13 is not exceeded */
  2760.   errorstate = SDMMC_CmdSendStatus(hmmc->Instance, (uint32_t)(((uint32_t)hmmc->MmcCard.RelCardAdd) << 16U));
  2761.   if(errorstate != HAL_MMC_ERROR_NONE)
  2762.   {
  2763.     hmmc->ErrorCode |= errorstate;
  2764.   }
  2765.  
  2766.   /* Get Extended CSD parameters */
  2767.   if (HAL_MMC_GetCardExtCSD(hmmc, hmmc->Ext_CSD, SDMMC_DATATIMEOUT) != HAL_OK)
  2768.   {
  2769.     return hmmc->ErrorCode;
  2770.   }
  2771.  
  2772.   /* While card is not ready for data and trial number for sending CMD13 is not exceeded */
  2773.   errorstate = SDMMC_CmdSendStatus(hmmc->Instance, (uint32_t)(((uint32_t)hmmc->MmcCard.RelCardAdd) << 16U));
  2774.   if(errorstate != HAL_MMC_ERROR_NONE)
  2775.   {
  2776.     hmmc->ErrorCode |= errorstate;
  2777.   }
  2778.  
  2779.   /* Configure the SDIO peripheral */
  2780.   Init = hmmc->Init;
  2781.   Init.BusWide = SDIO_BUS_WIDE_1B;
  2782.   (void)SDIO_Init(hmmc->Instance, Init);
  2783.  
  2784.   /* All cards are initialized */
  2785.   return HAL_MMC_ERROR_NONE;
  2786. }
  2787.  
  2788. /**
  2789.   * @brief  Enquires cards about their operating voltage and configures clock
  2790.   *         controls and stores MMC information that will be needed in future
  2791.   *         in the MMC handle.
  2792.   * @param  hmmc: Pointer to MMC handle
  2793.   * @retval error state
  2794.   */
  2795. static uint32_t MMC_PowerON(MMC_HandleTypeDef *hmmc)
  2796. {
  2797.   __IO uint32_t count = 0U;
  2798.   uint32_t response = 0U, validvoltage = 0U;
  2799.   uint32_t errorstate;
  2800.  
  2801.   /* CMD0: GO_IDLE_STATE */
  2802.   errorstate = SDMMC_CmdGoIdleState(hmmc->Instance);
  2803.   if(errorstate != HAL_MMC_ERROR_NONE)
  2804.   {
  2805.     return errorstate;
  2806.   }
  2807.  
  2808.   while(validvoltage == 0U)
  2809.   {
  2810.     if(count++ == SDMMC_MAX_VOLT_TRIAL)
  2811.     {
  2812.       return HAL_MMC_ERROR_INVALID_VOLTRANGE;
  2813.     }
  2814.  
  2815.     /* SEND CMD1 APP_CMD with voltage range as argument */
  2816.     errorstate = SDMMC_CmdOpCondition(hmmc->Instance, MMC_VOLTAGE_RANGE);
  2817.     if(errorstate != HAL_MMC_ERROR_NONE)
  2818.     {
  2819.       return HAL_MMC_ERROR_UNSUPPORTED_FEATURE;
  2820.     }
  2821.  
  2822.     /* Get command response */
  2823.     response = SDIO_GetResponse(hmmc->Instance, SDIO_RESP1);
  2824.  
  2825.     /* Get operating voltage*/
  2826.     validvoltage = (((response >> 31U) == 1U) ? 1U : 0U);
  2827.   }
  2828.  
  2829.   /* When power routine is finished and command returns valid voltage */
  2830.   if (((response & (0xFF000000U)) >> 24U) == 0xC0U)
  2831.   {
  2832.     hmmc->MmcCard.CardType = MMC_HIGH_CAPACITY_CARD;
  2833.   }
  2834.   else
  2835.   {
  2836.     hmmc->MmcCard.CardType = MMC_LOW_CAPACITY_CARD;
  2837.   }
  2838.  
  2839.   return HAL_MMC_ERROR_NONE;
  2840. }
  2841.  
  2842. /**
  2843.   * @brief  Turns the SDIO output signals off.
  2844.   * @param  hmmc: Pointer to MMC handle
  2845.   * @retval None
  2846.   */
  2847. static void MMC_PowerOFF(MMC_HandleTypeDef *hmmc)
  2848. {
  2849.   /* Set Power State to OFF */
  2850.   (void)SDIO_PowerState_OFF(hmmc->Instance);
  2851. }
  2852.  
  2853. /**
  2854.   * @brief  Returns the current card's status.
  2855.   * @param  hmmc: Pointer to MMC handle
  2856.   * @param  pCardStatus: pointer to the buffer that will contain the MMC card
  2857.   *         status (Card Status register)
  2858.   * @retval error state
  2859.   */
  2860. static uint32_t MMC_SendStatus(MMC_HandleTypeDef *hmmc, uint32_t *pCardStatus)
  2861. {
  2862.   uint32_t errorstate;
  2863.  
  2864.   if(pCardStatus == NULL)
  2865.   {
  2866.     return HAL_MMC_ERROR_PARAM;
  2867.   }
  2868.  
  2869.   /* Send Status command */
  2870.   errorstate = SDMMC_CmdSendStatus(hmmc->Instance, (uint32_t)(hmmc->MmcCard.RelCardAdd << 16U));
  2871.   if(errorstate != HAL_MMC_ERROR_NONE)
  2872.   {
  2873.     return errorstate;
  2874.   }
  2875.  
  2876.   /* Get MMC card status */
  2877.   *pCardStatus = SDIO_GetResponse(hmmc->Instance, SDIO_RESP1);
  2878.  
  2879.   return HAL_MMC_ERROR_NONE;
  2880. }
  2881.  
  2882. /**
  2883.   * @brief  Reads extended CSD register to get the sectors number of the device
  2884.   * @param  hmmc: Pointer to MMC handle
  2885.   * @param  pFieldData: Pointer to the read buffer
  2886.   * @param  FieldIndex: Index of the field to be read
  2887.   * @param  Timeout: Specify timeout value
  2888.   * @retval HAL status
  2889.   */
  2890. static uint32_t MMC_ReadExtCSD(MMC_HandleTypeDef *hmmc, uint32_t *pFieldData, uint16_t FieldIndex, uint32_t Timeout)
  2891. {
  2892.   SDIO_DataInitTypeDef config;
  2893.   uint32_t errorstate;
  2894.   uint32_t tickstart = HAL_GetTick();
  2895.   uint32_t count;
  2896.   uint32_t i = 0;
  2897.   uint32_t tmp_data;
  2898.  
  2899.   hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
  2900.  
  2901.   /* Initialize data control register */
  2902.   hmmc->Instance->DCTRL = 0;
  2903.  
  2904.   /* Configure the MMC DPSM (Data Path State Machine) */
  2905.   config.DataTimeOut   = SDMMC_DATATIMEOUT;
  2906.   config.DataLength    = 512;
  2907.   config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
  2908.   config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
  2909.   config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
  2910.   config.DPSM          = SDIO_DPSM_ENABLE;
  2911.   (void)SDIO_ConfigData(hmmc->Instance, &config);
  2912.  
  2913.   /* Set Block Size for Card */
  2914.   errorstate = SDMMC_CmdSendEXTCSD(hmmc->Instance, 0);
  2915.   if(errorstate != HAL_MMC_ERROR_NONE)
  2916.   {
  2917.     /* Clear all the static flags */
  2918.     __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  2919.     hmmc->ErrorCode |= errorstate;
  2920.     hmmc->State = HAL_MMC_STATE_READY;
  2921.     return HAL_ERROR;
  2922.   }
  2923.  
  2924.   /* Poll on SDMMC flags */
  2925.   while(!__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DATAEND))
  2926.   {
  2927.     if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXFIFOHF))
  2928.     {
  2929.       /* Read data from SDMMC Rx FIFO */
  2930.       for(count = 0U; count < 8U; count++)
  2931.       {
  2932.         tmp_data = SDIO_ReadFIFO(hmmc->Instance);
  2933.         /* eg : SEC_COUNT   : FieldIndex = 212 => i+count = 53 */
  2934.         /*      DEVICE_TYPE : FieldIndex = 196 => i+count = 49 */
  2935.         if ((i + count) == ((uint32_t)FieldIndex/4U))
  2936.         {
  2937.           *pFieldData = tmp_data;
  2938.         }
  2939.       }
  2940.       i += 8U;
  2941.     }
  2942.  
  2943.     if(((HAL_GetTick()-tickstart) >=  Timeout) || (Timeout == 0U))
  2944.     {
  2945.       /* Clear all the static flags */
  2946.       __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
  2947.       hmmc->ErrorCode |= HAL_MMC_ERROR_TIMEOUT;
  2948.       hmmc->State= HAL_MMC_STATE_READY;
  2949.       return HAL_TIMEOUT;
  2950.     }
  2951.   }
  2952.  
  2953.   /* While card is not ready for data and trial number for sending CMD13 is not exceeded */
  2954.   errorstate = SDMMC_CmdSendStatus(hmmc->Instance, (uint32_t)(((uint32_t)hmmc->MmcCard.RelCardAdd) << 16));
  2955.   if(errorstate != HAL_MMC_ERROR_NONE)
  2956.   {
  2957.     hmmc->ErrorCode |= errorstate;
  2958.   }
  2959.  
  2960.   /* Clear all the static flags */
  2961.   __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
  2962.  
  2963.   hmmc->State = HAL_MMC_STATE_READY;
  2964.  
  2965.   return HAL_OK;
  2966. }
  2967.  
  2968.  
  2969. /**
  2970.   * @brief  Wrap up reading in non-blocking mode.
  2971.   * @param  hmmc: pointer to a MMC_HandleTypeDef structure that contains
  2972.   *              the configuration information.
  2973.   * @retval None
  2974.   */
  2975. static void MMC_Read_IT(MMC_HandleTypeDef *hmmc)
  2976. {
  2977.   uint32_t count, data, dataremaining;
  2978.   uint8_t* tmp;
  2979.  
  2980.   tmp = hmmc->pRxBuffPtr;
  2981.   dataremaining = hmmc->RxXferSize;
  2982.  
  2983.   if (dataremaining > 0U)
  2984.   {
  2985.     /* Read data from SDIO Rx FIFO */
  2986.     for(count = 0U; count < 8U; count++)
  2987.     {
  2988.       data = SDIO_ReadFIFO(hmmc->Instance);
  2989.       *tmp = (uint8_t)(data & 0xFFU);
  2990.       tmp++;
  2991.       dataremaining--;
  2992.       *tmp = (uint8_t)((data >> 8U) & 0xFFU);
  2993.       tmp++;
  2994.       dataremaining--;
  2995.       *tmp = (uint8_t)((data >> 16U) & 0xFFU);
  2996.       tmp++;
  2997.       dataremaining--;
  2998.       *tmp = (uint8_t)((data >> 24U) & 0xFFU);
  2999.       tmp++;
  3000.       dataremaining--;
  3001.     }
  3002.  
  3003.     hmmc->pRxBuffPtr = tmp;
  3004.     hmmc->RxXferSize = dataremaining;
  3005.   }
  3006. }
  3007.  
  3008. /**
  3009.   * @brief  Wrap up writing in non-blocking mode.
  3010.   * @param  hmmc: pointer to a MMC_HandleTypeDef structure that contains
  3011.   *              the configuration information.
  3012.   * @retval None
  3013.   */
  3014. static void MMC_Write_IT(MMC_HandleTypeDef *hmmc)
  3015. {
  3016.   uint32_t count, data, dataremaining;
  3017.   uint8_t* tmp;
  3018.  
  3019.   tmp = hmmc->pTxBuffPtr;
  3020.   dataremaining = hmmc->TxXferSize;
  3021.  
  3022.   if (dataremaining > 0U)
  3023.   {
  3024.     /* Write data to SDIO Tx FIFO */
  3025.     for(count = 0U; count < 8U; count++)
  3026.     {
  3027.       data = (uint32_t)(*tmp);
  3028.       tmp++;
  3029.       dataremaining--;
  3030.       data |= ((uint32_t)(*tmp) << 8U);
  3031.       tmp++;
  3032.       dataremaining--;
  3033.       data |= ((uint32_t)(*tmp) << 16U);
  3034.       tmp++;
  3035.       dataremaining--;
  3036.       data |= ((uint32_t)(*tmp) << 24U);
  3037.       tmp++;
  3038.       dataremaining--;
  3039.       (void)SDIO_WriteFIFO(hmmc->Instance, &data);
  3040.     }
  3041.  
  3042.     hmmc->pTxBuffPtr = tmp;
  3043.     hmmc->TxXferSize = dataremaining;
  3044.   }
  3045. }
  3046.  
  3047. /**
  3048.   * @brief  Update the power class of the device.
  3049.   * @param  hmmc MMC handle
  3050.   * @param  Wide Wide of MMC bus
  3051.   * @param  Speed Speed of the MMC bus
  3052.   * @retval MMC Card error state
  3053.   */
  3054. static uint32_t MMC_PwrClassUpdate(MMC_HandleTypeDef *hmmc, uint32_t Wide)
  3055. {
  3056.   uint32_t count;
  3057.   uint32_t response = 0U;
  3058.   uint32_t errorstate = HAL_MMC_ERROR_NONE;
  3059.   uint32_t power_class, supported_pwr_class;
  3060.  
  3061.   if((Wide == SDIO_BUS_WIDE_8B) || (Wide == SDIO_BUS_WIDE_4B))
  3062.   {
  3063.     power_class = 0U; /* Default value after power-on or software reset */
  3064.  
  3065.     /* Read the PowerClass field of the Extended CSD register */
  3066.     if(MMC_ReadExtCSD(hmmc, &power_class, 187, SDMMC_DATATIMEOUT) != HAL_OK) /* Field POWER_CLASS [187] */
  3067.     {
  3068.       errorstate = SDMMC_ERROR_GENERAL_UNKNOWN_ERR;
  3069.     }
  3070.     else
  3071.     {
  3072.       power_class = ((power_class >> 24U) & 0x000000FFU);
  3073.     }
  3074.  
  3075.     /* Get the supported PowerClass field of the Extended CSD register */
  3076.     /* Field PWR_CL_26_xxx [201 or 203] */
  3077.     supported_pwr_class = ((hmmc->Ext_CSD[(MMC_EXT_CSD_PWR_CL_26_INDEX/4)] >> MMC_EXT_CSD_PWR_CL_26_POS) & 0x000000FFU);
  3078.  
  3079.     if(errorstate == HAL_MMC_ERROR_NONE)
  3080.     {
  3081.       if(Wide == SDIO_BUS_WIDE_8B)
  3082.       {
  3083.         /* Bit [7:4] : power class for 8-bits bus configuration - Bit [3:0] : power class for 4-bits bus configuration */
  3084.         supported_pwr_class = (supported_pwr_class >> 4U);
  3085.       }
  3086.  
  3087.       if ((power_class & 0x0FU) != (supported_pwr_class & 0x0FU))
  3088.       {
  3089.         /* Need to change current power class */
  3090.         errorstate = SDMMC_CmdSwitch(hmmc->Instance, (0x03BB0000U | ((supported_pwr_class & 0x0FU) << 8U)));
  3091.  
  3092.         if(errorstate == HAL_MMC_ERROR_NONE)
  3093.         {
  3094.           /* While card is not ready for data and trial number for sending CMD13 is not exceeded */
  3095.           count = SDMMC_MAX_TRIAL;
  3096.           do
  3097.           {
  3098.             errorstate = SDMMC_CmdSendStatus(hmmc->Instance, (uint32_t)(((uint32_t)hmmc->MmcCard.RelCardAdd) << 16U));
  3099.             if(errorstate != HAL_MMC_ERROR_NONE)
  3100.             {
  3101.               break;
  3102.             }
  3103.  
  3104.             /* Get command response */
  3105.             response = SDIO_GetResponse(hmmc->Instance, SDIO_RESP1);
  3106.             count--;
  3107.           }while(((response & 0x100U) == 0U) && (count != 0U));
  3108.  
  3109.           /* Check the status after the switch command execution */
  3110.           if ((count != 0U) && (errorstate == HAL_MMC_ERROR_NONE))
  3111.           {
  3112.             /* Check the bit SWITCH_ERROR of the device status */
  3113.             if ((response & 0x80U) != 0U)
  3114.             {
  3115.               errorstate = SDMMC_ERROR_UNSUPPORTED_FEATURE;
  3116.             }
  3117.           }
  3118.           else if (count == 0U)
  3119.           {
  3120.             errorstate = SDMMC_ERROR_TIMEOUT;
  3121.           }
  3122.           else
  3123.           {
  3124.             /* Nothing to do */
  3125.           }
  3126.         }
  3127.       }
  3128.     }
  3129.   }
  3130.  
  3131.   return errorstate;
  3132. }
  3133.  
  3134. /**
  3135.   * @}
  3136.   */
  3137.  
  3138. #endif /* SDIO */
  3139.  
  3140. #endif /* HAL_MMC_MODULE_ENABLED */
  3141.  
  3142. /**
  3143.   * @}
  3144.   */
  3145.  
  3146. /**
  3147.   * @}
  3148.   */
  3149.