#include <stdbool.h>
#include <stdint.h>
#include "nrf_config_semmc.h"

Go to the source code of this file.

Data Structures
struct	nrf_semmc_event_t

struct	nrf_semmc_config_t
	Configuration for initializing an eMMC driver instance. More...

struct	nrf_semmc_cmd_desc_t

struct	nrf_semmc_transfer_desc_t
	Descriptor for data transfer operations. More...

struct	nrf_semmc_t
	sEMMC driver instance structure. More...

Macros
#define	NRF_SEMMC_FLAG_HOLD_XFER (1UL << 0)
	Flag indicating that the transfer is prepared but not started.

Typedefs
typedef void(*	nrf_semmc_event_handler_t) (nrf_semmc_event_t const p_event, void p_context)
	Callback function type for eMMC driver events.

Enumerations
enum	nrf_semmc_cmd_t { NRF_SEMMC_CMD0_GO_IDLE_STATE = 0 , NRF_SEMMC_CMD1_SEND_OP_COND = 1 , NRF_SEMMC_CMD2_ALL_SEND_CID = 2 , NRF_SEMMC_CMD3_SET_RELATIVE_ADDR = 3 , NRF_SEMMC_CMD4_SET_DSR = 4 , NRF_SEMMC_CMD5_SLEEP_AWAKE = 5 , NRF_SEMMC_CMD6_SWITCH = 6 , NRF_SEMMC_CMD7_SELECT_DESELECT = 7 , NRF_SEMMC_CMD8_SEND_EXT_CSD = 8 , NRF_SEMMC_CMD9_SEND_CSD = 9 , NRF_SEMMC_CMD10_SEND_CID = 10 , NRF_SEMMC_CMD12_STOP_TRANSMISSION = 12 , NRF_SEMMC_CMD13_SEND_STATUS = 13 , NRF_SEMMC_CMD14_BUSTEST_R = 14 , NRF_SEMMC_CMD15_GO_INACTIVE_STATE = 15 , NRF_SEMMC_CMD16_SET_BLOCKLEN = 16 , NRF_SEMMC_CMD17_READ_SINGLE = 17 , NRF_SEMMC_CMD18_READ_MULTIPLE = 18 , NRF_SEMMC_CMD19_BUSTEST_W = 19 , NRF_SEMMC_CMD21_SEND_TUNING_BLOCK = 21 , NRF_SEMMC_CMD23_SET_BLOCK_COUNT = 23 , NRF_SEMMC_CMD24_WRITE_BLOCK = 24 , NRF_SEMMC_CMD25_WRITE_MULTIPLE = 25 , NRF_SEMMC_CMD26_PROGRAM_CID = 26 , NRF_SEMMC_CMD27_PROGRAM_CSD = 27 , NRF_SEMMC_CMD28_SET_WRITE_PROT = 28 , NRF_SEMMC_CMD29_CLR_WRITE_PROT = 29 , NRF_SEMMC_CMD30_SEND_WRITE_PROT = 30 , NRF_SEMMC_CMD31_SEND_WRITE_PROT_TYPE = 31 , NRF_SEMMC_CMD35_ERASE_GROUP_START = 35 , NRF_SEMMC_CMD36_ERASE_GROUP_END = 36 , NRF_SEMMC_CMD38_ERASE = 38 , NRF_SEMMC_CMD42_LOCK_UNLOCK = 42 , NRF_SEMMC_CMD44_QUEUED_TASK_PARAMS = 44 , NRF_SEMMC_CMD45_QUEUED_TASK_ADDRESS = 45 , NRF_SEMMC_CMD46_EXECUTE_READ_TASK = 46 , NRF_SEMMC_CMD47_EXECUTE_WRITE_TASK = 47 , NRF_SEMMC_CMD48_CMDQ_TASK_MGMT = 48 , NRF_SEMMC_CMD49_SET_TIME = 49 }
	eMMC command index definitions More...

enum	nrf_semmc_resp_type_t { NRF_SEMMC_RESP_NONE , NRF_SEMMC_RESP_R1 , NRF_SEMMC_RESP_R1B , NRF_SEMMC_RESP_R2 , NRF_SEMMC_RESP_R3 , NRF_SEMMC_RESP_R4 , NRF_SEMMC_RESP_R5 }

enum	nrf_semmc_error_t { NRF_SEMMC_SUCCESS = 0 , NRF_SEMMC_ERROR_TIMEOUT , NRF_SEMMC_ERROR_CMDTIMEOUT , NRF_SEMMC_ERROR_CMDCRCERROR , NRF_SEMMC_ERROR_DATACRCERROR , NRF_SEMMC_ERROR_ILLEGAL_CMD , NRF_SEMMC_ERROR_DEVICE_REJECTED , NRF_SEMMC_ERROR_INTERNAL_OR_PROTOCOL , NRF_SEMMC_ERROR_BUSY , NRF_SEMMC_ERROR_UNSUPPORTED , NRF_SEMMC_ERROR_INVALID_PARAM , NRF_SEMMC_ERROR_INVALID_STATE , NRF_SEMMC_ERROR_HW_FAULT }

enum	nrf_semmc_bus_width_t { NRF_SEMMC_BUS_WIDTH_1 = 1 , NRF_SEMMC_BUS_WIDTH_4 = 4 , NRF_SEMMC_BUS_WIDTH_8 = 8 }

enum	nrf_semmc_event_type_t { NRF_SEMMC_EVT_XFER_DONE , NRF_SEMMC_EVT_XFER_STARTED }

enum	nrf_semmc_event_xfer_done_t { NRF_SEMMC_RESULT_OK , NRF_SEMMC_RESULT_ABORTED }

Functions
nrf_semmc_error_t	nrf_semmc_init (nrf_semmc_t const p_semmc, nrf_semmc_event_handler_t handler, void p_context)
	Initialize the eMMC controller driver for a given instance.

void	nrf_semmc_uninit (nrf_semmc_t const *p_semmc)
	Uninitialize the sEMMC driver instance.

nrf_semmc_error_t	nrf_semmc_enable (nrf_semmc_t const *p_semmc)
	Explicitly power up and configure the controller.

nrf_semmc_error_t	nrf_semmc_disable (nrf_semmc_t const *p_semmc)
	Explicitly power down the controller.

nrf_semmc_error_t	nrf_semmc_cmd (nrf_semmc_t const p_semmc, nrf_semmc_cmd_desc_t p_cmd, nrf_semmc_config_t const p_config, nrf_semmc_transfer_desc_t p_transfer, size_t cmd_count, uint32_t flags)
	Start an asynchronous command.

nrf_semmc_error_t	nrf_semmc_cmd_prepare (nrf_semmc_t const p_semmc, nrf_semmc_cmd_desc_t p_cmd, nrf_semmc_config_t const p_config, nrf_semmc_transfer_desc_t p_transfer, size_t cmd_count)
	prepare to start an asynchronous command.

uint32_t *	nrf_semmc_start_task_address_get (nrf_semmc_t const *p_semmc)
	Get an address of the task register to start the prepared transfer.

nrf_semmc_error_t	nrf_semmc_abort (nrf_semmc_t const *p_semmc)
	Abort any ongoing eMMC operation.

bool	nrf_semmc_is_busy (nrf_semmc_t const *p_semmc)
	Returns true if an operation is still in progress.

void	nrf_semmc_irq_handler (void)
	IRQ handler to be called from the eMMC interrupt vector.

Data Structures

Macros

Typedefs

Enumerations

Functions