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SD_Private_Functions
Functions

SD_Private_Functions
[SD]

Functions

static void SD_DMA_RxCplt (DMA_HandleTypeDef *hdma)
 SD DMA transfer complete Rx callback.
static void SD_DMA_RxError (DMA_HandleTypeDef *hdma)
 SD DMA transfer Error Rx callback.
static void SD_DMA_TxCplt (DMA_HandleTypeDef *hdma)
 SD DMA transfer complete Tx callback.
static void SD_DMA_TxError (DMA_HandleTypeDef *hdma)
 SD DMA transfer Error Tx callback.
static HAL_SD_CardStateTypedef SD_GetState (SD_HandleTypeDef *hsd)
 Returns the SD current state.
static HAL_SD_ErrorTypedef SD_Initialize_Cards (SD_HandleTypeDef *hsd)
 Initializes all cards or single card as the case may be Card(s) come into standby state.
static HAL_SD_ErrorTypedef SD_Select_Deselect (SD_HandleTypeDef *hsd, uint64_t addr)
 Selects or Deselects the corresponding card.
static HAL_SD_ErrorTypedef SD_PowerON (SD_HandleTypeDef *hsd)
 Enquires cards about their operating voltage and configures clock controls and stores SD information that will be needed in future in the SD handle.
static HAL_SD_ErrorTypedef SD_PowerOFF (SD_HandleTypeDef *hsd)
 Turns the SDMMC output signals off.
static HAL_SD_ErrorTypedef SD_SendStatus (SD_HandleTypeDef *hsd, uint32_t *pCardStatus)
 Returns the current card's status.
static HAL_SD_ErrorTypedef SD_CmdError (SD_HandleTypeDef *hsd)
 Checks for error conditions for CMD0.
static HAL_SD_ErrorTypedef SD_CmdResp7Error (SD_HandleTypeDef *hsd)
 Checks for error conditions for R7 response.
static HAL_SD_ErrorTypedef SD_CmdResp1Error (SD_HandleTypeDef *hsd, uint8_t SD_CMD)
 Checks for error conditions for R1 response.
static HAL_SD_ErrorTypedef SD_CmdResp3Error (SD_HandleTypeDef *hsd)
 Checks for error conditions for R3 (OCR) response.
static HAL_SD_ErrorTypedef SD_CmdResp2Error (SD_HandleTypeDef *hsd)
 Checks for error conditions for R2 (CID or CSD) response.
static HAL_SD_ErrorTypedef SD_CmdResp6Error (SD_HandleTypeDef *hsd, uint8_t SD_CMD, uint16_t *pRCA)
 Checks for error conditions for R6 (RCA) response.
static HAL_SD_ErrorTypedef SD_WideBus_Enable (SD_HandleTypeDef *hsd)
 Enables the SDMMC wide bus mode.
static HAL_SD_ErrorTypedef SD_WideBus_Disable (SD_HandleTypeDef *hsd)
 Disables the SDMMC wide bus mode.
static HAL_SD_ErrorTypedef SD_FindSCR (SD_HandleTypeDef *hsd, uint32_t *pSCR)
 Finds the SD card SCR register value.
static HAL_SD_ErrorTypedef SD_IsCardProgramming (SD_HandleTypeDef *hsd, uint8_t *pStatus)
 Checks if the SD card is in programming state.

Function Documentation

static HAL_SD_ErrorTypedef SD_CmdError ( SD_HandleTypeDef *  hsd ) [static]

Checks for error conditions for CMD0.

Parameters:
hsd,:SD handle
Return values:
SDCard error state

Definition at line 2618 of file stm32l4xx_hal_sd.c.

static HAL_SD_ErrorTypedef SD_CmdResp1Error ( SD_HandleTypeDef *  hsd,
uint8_t  SD_CMD 
) [static]

Checks for error conditions for R1 response.

Parameters:
hsd,:SD handle
SD_CMD,:The sent command index
Return values:
SDCard error state

Definition at line 2694 of file stm32l4xx_hal_sd.c.

static HAL_SD_ErrorTypedef SD_CmdResp2Error ( SD_HandleTypeDef *  hsd ) [static]

Checks for error conditions for R2 (CID or CSD) response.

Parameters:
hsd,:SD handle
Return values:
SDCard error state

Definition at line 2870 of file stm32l4xx_hal_sd.c.

static HAL_SD_ErrorTypedef SD_CmdResp3Error ( SD_HandleTypeDef *  hsd ) [static]

Checks for error conditions for R3 (OCR) response.

Parameters:
hsd,:SD handle
Return values:
SDCard error state

Definition at line 2842 of file stm32l4xx_hal_sd.c.

static HAL_SD_ErrorTypedef SD_CmdResp6Error ( SD_HandleTypeDef *  hsd,
uint8_t  SD_CMD,
uint16_t *  pRCA 
) [static]

Checks for error conditions for R6 (RCA) response.

Parameters:
hsd,:SD handle
SD_CMD,:The sent command index
pRCA,:Pointer to the variable that will contain the SD card relative address RCA
Return values:
SDCard error state

Definition at line 2913 of file stm32l4xx_hal_sd.c.

static HAL_SD_ErrorTypedef SD_CmdResp7Error ( SD_HandleTypeDef *  hsd ) [static]

Checks for error conditions for R7 response.

Parameters:
hsd,:SD handle
Return values:
SDCard error state

Definition at line 2650 of file stm32l4xx_hal_sd.c.

static void SD_DMA_RxCplt ( DMA_HandleTypeDef *  hdma ) [static]

SD DMA transfer complete Rx callback.

Parameters:
hdma,:pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA module.
Return values:
None

Definition at line 2206 of file stm32l4xx_hal_sd.c.

static void SD_DMA_RxError ( DMA_HandleTypeDef *  hdma ) [static]

SD DMA transfer Error Rx callback.

Parameters:
hdma,:pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA module.
Return values:
None

Definition at line 2231 of file stm32l4xx_hal_sd.c.

static void SD_DMA_TxCplt ( DMA_HandleTypeDef *  hdma ) [static]

SD DMA transfer complete Tx callback.

Parameters:
hdma,:pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA module.
Return values:
None

Definition at line 2245 of file stm32l4xx_hal_sd.c.

static void SD_DMA_TxError ( DMA_HandleTypeDef *  hdma ) [static]

SD DMA transfer Error Tx callback.

Parameters:
hdma,:pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA module.
Return values:
None

Definition at line 2270 of file stm32l4xx_hal_sd.c.

static HAL_SD_ErrorTypedef SD_FindSCR ( SD_HandleTypeDef *  hsd,
uint32_t *  pSCR 
) [static]

Finds the SD card SCR register value.

Parameters:
hsd,:SD handle
pSCR,:pointer to the buffer that will contain the SCR value
Return values:
SDCard error state

Definition at line 3127 of file stm32l4xx_hal_sd.c.

static HAL_SD_CardStateTypedef SD_GetState ( SD_HandleTypeDef *  hsd ) [static]

Returns the SD current state.

Parameters:
hsd,:SD handle
Return values:
SDcard current state

Definition at line 2283 of file stm32l4xx_hal_sd.c.

static HAL_SD_ErrorTypedef SD_Initialize_Cards ( SD_HandleTypeDef *  hsd ) [static]

Initializes all cards or single card as the case may be Card(s) come into standby state.

Parameters:
hsd,:SD handle
Return values:
SDCard error state

Definition at line 2303 of file stm32l4xx_hal_sd.c.

static HAL_SD_ErrorTypedef SD_IsCardProgramming ( SD_HandleTypeDef *  hsd,
uint8_t *  pStatus 
) [static]

Checks if the SD card is in programming state.

Parameters:
hsd,:SD handle
pStatus,:pointer to the variable that will contain the SD card state
Return values:
SDCard error state

Definition at line 3241 of file stm32l4xx_hal_sd.c.

static HAL_SD_ErrorTypedef SD_PowerOFF ( SD_HandleTypeDef *  hsd ) [static]

Turns the SDMMC output signals off.

Parameters:
hsd,:SD handle
Return values:
SDCard error state

Definition at line 2562 of file stm32l4xx_hal_sd.c.

static HAL_SD_ErrorTypedef SD_PowerON ( SD_HandleTypeDef *  hsd ) [static]

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

Parameters:
hsd,:SD handle
Return values:
SDCard error state

Definition at line 2421 of file stm32l4xx_hal_sd.c.

static HAL_SD_ErrorTypedef SD_Select_Deselect ( SD_HandleTypeDef *  hsd,
uint64_t  addr 
) [static]

Selects or Deselects the corresponding card.

Parameters:
hsd,:SD handle
addr,:Address of the card to be selected
Return values:
SDCard error state

Definition at line 2395 of file stm32l4xx_hal_sd.c.

static HAL_SD_ErrorTypedef SD_SendStatus ( SD_HandleTypeDef *  hsd,
uint32_t *  pCardStatus 
) [static]

Returns the current card's status.

Parameters:
hsd,:SD handle
pCardStatus,:pointer to the buffer that will contain the SD card status (Card Status register)
Return values:
SDCard error state

Definition at line 2579 of file stm32l4xx_hal_sd.c.

static HAL_SD_ErrorTypedef SD_WideBus_Disable ( SD_HandleTypeDef *  hsd ) [static]

Disables the SDMMC wide bus mode.

Parameters:
hsd,:SD handle
Return values:
SDCard error state

Definition at line 3056 of file stm32l4xx_hal_sd.c.

static HAL_SD_ErrorTypedef SD_WideBus_Enable ( SD_HandleTypeDef *  hsd ) [static]

Enables the SDMMC wide bus mode.

Parameters:
hsd,:SD handle
Return values:
SDCard error state

Definition at line 2987 of file stm32l4xx_hal_sd.c.

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