STM32F4xx HAL Documentation: MMC Private Functions

STM32F4xx HAL Documentation

Hardware Abstraction Layer for STM32F4 familiy

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Collaboration diagram for MMC Private Functions:

Functions
static uint32_t	MMC_InitCard (MMC_HandleTypeDef *hmmc)
	Initializes the mmc card.

static uint32_t	MMC_PowerON (MMC_HandleTypeDef *hmmc)
	Enquires cards about their operating voltage and configures clock controls and stores MMC information that will be needed in future in the MMC handle.

static uint32_t	MMC_SendStatus (MMC_HandleTypeDef hmmc, uint32_t pCardStatus)
	Returns the current card's status.

static uint32_t	MMC_ReadExtCSD (MMC_HandleTypeDef hmmc, uint32_t pFieldData, uint16_t FieldIndex, uint32_t Timeout)
	Reads extended CSD register to get the sectors number of the device.

static void	MMC_PowerOFF (MMC_HandleTypeDef *hmmc)
	Turns the SDIO output signals off.

static void	MMC_Write_IT (MMC_HandleTypeDef *hmmc)
	Wrap up writing in non-blocking mode.

static void	MMC_Read_IT (MMC_HandleTypeDef *hmmc)
	Wrap up reading in non-blocking mode.

static void	MMC_DMATransmitCplt (DMA_HandleTypeDef *hdma)
	DMA MMC transmit process complete callback.

static void	MMC_DMAReceiveCplt (DMA_HandleTypeDef *hdma)
	DMA MMC receive process complete callback.

static void	MMC_DMAError (DMA_HandleTypeDef *hdma)
	DMA MMC communication error callback.

static void	MMC_DMATxAbort (DMA_HandleTypeDef *hdma)
	DMA MMC Tx Abort callback.

static void	MMC_DMARxAbort (DMA_HandleTypeDef *hdma)
	DMA MMC Rx Abort callback.

static uint32_t	MMC_PwrClassUpdate (MMC_HandleTypeDef *hmmc, uint32_t Wide)
	Update the power class of the device.

Detailed Description

Function Documentation

◆ MMC_InitCard()

static uint32_t MMC_InitCard ( MMC_HandleTypeDef * hmmc )

static

#include <stm32f4xx_hal_mmc.c>

Initializes the mmc card.

Parameters

hmmc	Pointer to MMC handle

Return values

MMC	Card error state

Definition at line 2741 of file stm32f4xx_hal_mmc.c.

References MMC_HandleTypeDef::CID, HAL_MMC_CardInfoTypeDef::Class, MMC_HandleTypeDef::CSD, MMC_HandleTypeDef::ErrorCode, MMC_HandleTypeDef::Ext_CSD, HAL_MMC_ERROR_NONE, HAL_MMC_ERROR_REQUEST_NOT_APPLICABLE, HAL_MMC_GetCardCSD(), HAL_MMC_GetCardExtCSD(), HAL_OK, MMC_HandleTypeDef::Init, MMC_HandleTypeDef::Instance, MMC_InitTypeDef, MMC_HandleTypeDef::MmcCard, and HAL_MMC_CardInfoTypeDef::RelCardAdd.

Referenced by HAL_MMC_InitCard().

◆ MMC_PowerON()

static uint32_t MMC_PowerON ( MMC_HandleTypeDef * hmmc )

static

#include <stm32f4xx_hal_mmc.c>

Enquires cards about their operating voltage and configures clock controls and stores MMC information that will be needed in future in the MMC handle.

Parameters

hmmc	Pointer to MMC handle

Return values

error state

Definition at line 2848 of file stm32f4xx_hal_mmc.c.

References HAL_MMC_CardInfoTypeDef::CardType, HAL_MMC_ERROR_INVALID_VOLTRANGE, HAL_MMC_ERROR_NONE, HAL_MMC_ERROR_UNSUPPORTED_FEATURE, MMC_HandleTypeDef::Instance, MMC_HIGH_CAPACITY_CARD, MMC_LOW_CAPACITY_CARD, MMC_VOLTAGE_RANGE, and MMC_HandleTypeDef::MmcCard.

Referenced by HAL_MMC_InitCard().

◆ MMC_SendStatus()

static uint32_t MMC_SendStatus	(	MMC_HandleTypeDef *	hmmc,
		uint32_t *	pCardStatus )

static

#include <stm32f4xx_hal_mmc.c>

Returns the current card's status.

Parameters

hmmc	Pointer to MMC handle
pCardStatus	pointer to the buffer that will contain the MMC card status (Card Status register)

Return values

error state

Definition at line 2913 of file stm32f4xx_hal_mmc.c.

References HAL_MMC_ERROR_NONE, HAL_MMC_ERROR_PARAM, MMC_HandleTypeDef::Instance, MMC_HandleTypeDef::MmcCard, and HAL_MMC_CardInfoTypeDef::RelCardAdd.

Referenced by HAL_MMC_GetCardState().

◆ MMC_ReadExtCSD()

static uint32_t MMC_ReadExtCSD	(	MMC_HandleTypeDef *	hmmc,
		uint32_t *	pFieldData,
		uint16_t	FieldIndex,
		uint32_t	Timeout )

static

#include <stm32f4xx_hal_mmc.c>

Reads extended CSD register to get the sectors number of the device.

Parameters

hmmc	Pointer to MMC handle
pFieldData	Pointer to the read buffer
FieldIndex	Index of the field to be read
Timeout	Specify timeout value

Return values

HAL status

Definition at line 2943 of file stm32f4xx_hal_mmc.c.

References __HAL_MMC_CLEAR_FLAG, __HAL_MMC_GET_FLAG, MMC_HandleTypeDef::ErrorCode, HAL_ERROR, HAL_GetTick(), HAL_MMC_ERROR_NONE, HAL_MMC_ERROR_TIMEOUT, HAL_MMC_STATE_READY, HAL_OK, HAL_TIMEOUT, MMC_HandleTypeDef::Instance, MMC_HandleTypeDef::MmcCard, HAL_MMC_CardInfoTypeDef::RelCardAdd, and MMC_HandleTypeDef::State.

Referenced by HAL_MMC_GetCardCSD(), and MMC_PwrClassUpdate().

◆ MMC_PowerOFF()

static void MMC_PowerOFF ( MMC_HandleTypeDef * hmmc )

static

#include <stm32f4xx_hal_mmc.c>

Turns the SDIO output signals off.

Parameters

hmmc	Pointer to MMC handle

Return values

None

Definition at line 2900 of file stm32f4xx_hal_mmc.c.

References MMC_HandleTypeDef::Instance.

Referenced by HAL_MMC_DeInit().

◆ MMC_Write_IT()

static void MMC_Write_IT ( MMC_HandleTypeDef * hmmc )

static

#include <stm32f4xx_hal_mmc.c>

Wrap up writing in non-blocking mode.

Parameters

hmmc	pointer to a MMC_HandleTypeDef structure that contains the configuration information.

Return values

None

Definition at line 3067 of file stm32f4xx_hal_mmc.c.

References MMC_HandleTypeDef::Instance, MMC_HandleTypeDef::pTxBuffPtr, and MMC_HandleTypeDef::TxXferSize.

Referenced by HAL_MMC_IRQHandler().

◆ MMC_Read_IT()

static void MMC_Read_IT ( MMC_HandleTypeDef * hmmc )

static

#include <stm32f4xx_hal_mmc.c>

Wrap up reading in non-blocking mode.

Parameters

hmmc	pointer to a MMC_HandleTypeDef structure that contains the configuration information.

Return values

None

Definition at line 3028 of file stm32f4xx_hal_mmc.c.

References MMC_HandleTypeDef::Instance, MMC_HandleTypeDef::pRxBuffPtr, and MMC_HandleTypeDef::RxXferSize.

Referenced by HAL_MMC_IRQHandler().

◆ MMC_DMATransmitCplt()

static void MMC_DMATransmitCplt ( DMA_HandleTypeDef * hdma )

static

#include <stm32f4xx_hal_mmc.c>

DMA MMC transmit process complete callback.

Parameters

hdma	DMA handle

Return values

None

Definition at line 2554 of file stm32f4xx_hal_mmc.c.

References __HAL_MMC_ENABLE_IT, and __DMA_HandleTypeDef::Parent.

Referenced by HAL_MMC_WriteBlocks_DMA().

◆ MMC_DMAReceiveCplt()

static void MMC_DMAReceiveCplt ( DMA_HandleTypeDef * hdma )

static

#include <stm32f4xx_hal_mmc.c>

DMA MMC receive process complete callback.

Parameters

hdma	DMA handle

Return values

None

Definition at line 2567 of file stm32f4xx_hal_mmc.c.

References __HAL_MMC_CLEAR_FLAG, MMC_HandleTypeDef::Context, MMC_HandleTypeDef::ErrorCode, HAL_MMC_ERROR_NONE, HAL_MMC_ErrorCallback(), HAL_MMC_RxCpltCallback(), HAL_MMC_STATE_READY, MMC_HandleTypeDef::Instance, MMC_CONTEXT_DMA, MMC_CONTEXT_READ_MULTIPLE_BLOCK, __DMA_HandleTypeDef::Parent, and MMC_HandleTypeDef::State.

Referenced by HAL_MMC_ReadBlocks_DMA().

◆ MMC_DMAError()

static void MMC_DMAError ( DMA_HandleTypeDef * hdma )

static

#include <stm32f4xx_hal_mmc.c>

DMA MMC communication error callback.

Parameters

hdma	DMA handle

Return values

None

Definition at line 2608 of file stm32f4xx_hal_mmc.c.

References __HAL_MMC_CLEAR_FLAG, __HAL_MMC_DISABLE_IT, __DMA_HandleTypeDef::ErrorCode, MMC_HandleTypeDef::ErrorCode, HAL_DMA_ERROR_FE, HAL_DMA_ERROR_TE, HAL_DMA_GetError(), HAL_MMC_CARD_RECEIVING, HAL_MMC_CARD_SENDING, HAL_MMC_ERROR_DMA, HAL_MMC_ErrorCallback(), HAL_MMC_GetCardState(), HAL_MMC_STATE_READY, MMC_HandleTypeDef::hdmarx, MMC_HandleTypeDef::hdmatx, MMC_HandleTypeDef::Instance, __DMA_HandleTypeDef::Parent, and MMC_HandleTypeDef::State.

Referenced by HAL_MMC_ReadBlocks_DMA(), and HAL_MMC_WriteBlocks_DMA().

◆ MMC_DMATxAbort()

static void MMC_DMATxAbort ( DMA_HandleTypeDef * hdma )

static

#include <stm32f4xx_hal_mmc.c>

DMA MMC Tx Abort callback.

Parameters

hdma	DMA handle

Return values

None

Definition at line 2651 of file stm32f4xx_hal_mmc.c.

References MMC_HandleTypeDef::ErrorCode, HAL_MMC_AbortCallback(), HAL_MMC_CARD_RECEIVING, HAL_MMC_CARD_SENDING, HAL_MMC_ERROR_NONE, HAL_MMC_ErrorCallback(), HAL_MMC_GetCardState(), HAL_MMC_STATE_READY, MMC_HandleTypeDef::hdmarx, MMC_HandleTypeDef::hdmatx, MMC_HandleTypeDef::Instance, __DMA_HandleTypeDef::Parent, and MMC_HandleTypeDef::State.

Referenced by HAL_MMC_Abort_IT(), and HAL_MMC_IRQHandler().

◆ MMC_DMARxAbort()

static void MMC_DMARxAbort ( DMA_HandleTypeDef * hdma )

static

#include <stm32f4xx_hal_mmc.c>

DMA MMC Rx Abort callback.

Parameters

hdma	DMA handle

Return values

None

Definition at line 2696 of file stm32f4xx_hal_mmc.c.

References MMC_HandleTypeDef::ErrorCode, HAL_MMC_AbortCallback(), HAL_MMC_CARD_RECEIVING, HAL_MMC_CARD_SENDING, HAL_MMC_ERROR_NONE, HAL_MMC_ErrorCallback(), HAL_MMC_GetCardState(), HAL_MMC_STATE_READY, MMC_HandleTypeDef::hdmarx, MMC_HandleTypeDef::hdmatx, MMC_HandleTypeDef::Instance, __DMA_HandleTypeDef::Parent, and MMC_HandleTypeDef::State.

Referenced by HAL_MMC_Abort_IT(), and HAL_MMC_IRQHandler().

◆ MMC_PwrClassUpdate()

static uint32_t MMC_PwrClassUpdate	(	MMC_HandleTypeDef *	hmmc,
		uint32_t	Wide )

static

#include <stm32f4xx_hal_mmc.c>

Update the power class of the device.

Parameters

hmmc	MMC handle
Wide	Wide of MMC bus
Speed	Speed of the MMC bus

Return values

MMC	Card error state

Definition at line 3107 of file stm32f4xx_hal_mmc.c.

References MMC_HandleTypeDef::Ext_CSD, HAL_MMC_ERROR_NONE, HAL_OK, MMC_HandleTypeDef::Instance, MMC_EXT_CSD_PWR_CL_26_INDEX, MMC_EXT_CSD_PWR_CL_26_POS, MMC_ReadExtCSD(), MMC_HandleTypeDef::MmcCard, and HAL_MMC_CardInfoTypeDef::RelCardAdd.

Referenced by HAL_MMC_ConfigWideBusOperation().

Generated on Wed Feb 26 2025 for STM32F4xx HAL Documentation by 1.12.0