HighSpeed functions

High Speed function. More...

Functions
uint32_t	HAL_SDEx_HighSpeed (SD_HandleTypeDef *hsd)
	Switches the SD card to High Speed mode. This API must be used after "Transfer State". More...
void	HAL_SDEx_DriveTransceiver_1_8V_Callback (FlagStatus status)
	Enable/Disable the SD Transceiver 1.8V Mode Callback. More...

Detailed Description

High Speed function.

  ==============================================================================
          ##### High Speed function #####
  ==============================================================================
  [..]
    This section provides function allowing to configure the card in High Speed mode.

Function Documentation

HAL_SDEx_DriveTransceiver_1_8V_Callback()

__weak void HAL_SDEx_DriveTransceiver_1_8V_Callback

(

FlagStatus

status

)

Enable/Disable the SD Transceiver 1.8V Mode Callback.

Parameters

status

Voltage Switch State

Return values

None

Definition at line 95 of file stm32l4xx_hal_sd_ex.c.

{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(status);

  /* NOTE : This function Should not be modified, when the callback is needed,
            the HAL_SD_EnableTransciver could be implemented in the user file
   */
}

HAL_SDEx_HighSpeed()

uint32_t HAL_SDEx_HighSpeed

(

SD_HandleTypeDef *

hsd

)

Switches the SD card to High Speed mode. This API must be used after "Transfer State".

Note

This operation should be followed by the configuration of PLL to have SDMMCCK clock between 50 and 120 MHz

Parameters

hsd

SD handle

Return values

SD	Card error state

Definition at line 85 of file stm32l4xx_hal_sd_ex.c.

{
  return SD_HighSpeed (hsd);
}