Enum

Overview

Enumerations
enum	hal_sd_status_t {   HAL_SD_STATUS_BUSY = -2,   HAL_SD_STATUS_ERROR = -1,   HAL_SD_STATUS_OK = 0 }
	This enum defines the SD/eMMC API's return type. More...
enum	hal_sd_bus_width_t {   HAL_SD_BUS_WIDTH_1 = 1,   HAL_SD_BUS_WIDTH_4 = 2 }
	This enum defines the SD/eMMC bus width types. More...
enum	hal_sd_card_type_t {   HAL_SD_TYPE_SD_CARD = 0,   HAL_SD_TYPE_MMC_CARD = 1,   HAL_SD_TYPE_SD20_LCS_CARD = 2,   HAL_SD_TYPE_SD20_HCS_CARD = 3,   HAL_SD_TYPE_MMC42_CARD = 4,   HAL_SD_TYPE_CARD_TYPE_MAX = 5,   HAL_SD_TYPE_UNKNOWN_CARD = 0xff }
	This enum define the SD/eMMC card type. More...
enum	hal_sd_card_event_t {   HAL_SD_EVENT_CARD_INSERTED = 0,   HAL_SD_EVENT_CARD_REMOVED = 1 }
	This enum defines the card detection result event. More...
enum	hal_sd_callback_event_t {   HAL_SD_EVENT_SUCCESS = 0,   HAL_SD_EVENT_TRANSFER_ERROR = -1,   HAL_SD_EVENT_CRC_ERROR = -2,   HAL_SD_EVENT_DATA_TIMEOUT = -3 }
	This enum defines the card DMA transfer result event. More...
enum	hal_sd_port_t {   HAL_SD_PORT_0 = 0,   HAL_SD_PORT_1 = 1 }
	This enum defines the SD/eMMC port. More...

Enumeration Type Documentation

enum hal_sd_bus_width_t

This enum defines the SD/eMMC bus width types.

Enumerator
HAL_SD_BUS_WIDTH_1	The SD/eMMC read/write data with 1 bit bus width.
HAL_SD_BUS_WIDTH_4	The SD/eMMC read/write data with 4 bit bus width.

enum hal_sd_callback_event_t

This enum defines the card DMA transfer result event.

The event is passed to the user defined callback function. For more details, please refer to function hal_sd_register_callback().

Enumerator
HAL_SD_EVENT_SUCCESS	The transaction completed without any error.
HAL_SD_EVENT_TRANSFER_ERROR	An error occurred during transaction.
HAL_SD_EVENT_CRC_ERROR	An CRC error occurred during transaction.
HAL_SD_EVENT_DATA_TIMEOUT	An data timeout occurred during transaction.

enum hal_sd_card_event_t

This enum defines the card detection result event.

The detection event is passed to the user defined callback function. For more details, please refer to function hal_sd_register_card_detection_callback().

Enumerator
HAL_SD_EVENT_CARD_INSERTED	An SD card is inserted.
HAL_SD_EVENT_CARD_REMOVED	An SD card is removed.

enum hal_sd_card_type_t

This enum define the SD/eMMC card type.

Enumerator
HAL_SD_TYPE_MMC_CARD	SD card.
HAL_SD_TYPE_SD20_LCS_CARD	MMC card.
HAL_SD_TYPE_SD20_HCS_CARD	SD 2.0 card and capacity less than 2GB.
HAL_SD_TYPE_MMC42_CARD	SD 2.0 card and capacity larger than 2GB.
HAL_SD_TYPE_CARD_TYPE_MAX	EMMC 4.2 and above card.

enum hal_sd_port_t

This enum defines the SD/eMMC port.

Enumerator
HAL_SD_PORT_0	SD/eMMC port 0.
HAL_SD_PORT_1	SD/eMMC port 1.

enum hal_sd_status_t

This enum defines the SD/eMMC API's return type.

Enumerator
HAL_SD_STATUS_BUSY	The SD/eMMC bus is busy error occurred.
HAL_SD_STATUS_ERROR	An error occurred and the operation failed.
HAL_SD_STATUS_OK	No error occurred during the function call.