The section describes the card standard definition. More...

Macros
#define	SDMMC_CARD_BUSY (uint32_t)(1 << 31)
	card initialization complete

#define	SDMMC_CARD_4BIT_MODE (1 << 18)
	card supports 4 bit mode

#define	SD_OCR_CCS (1 << 30)
	card capacity status

#define	SD_OCR_XPC (1 << 28)
	SDXC power control.

#define	SD_OCR_S18R (1 << 24)
	switch to 1.8V request

#define	SD_OCR_S18A SD_OCR_S18R
	switch to 1.8V accepted

#define	SD_BUS_WIDTH_1BIT (0U)
	SD data bus width 1-bit mode.

#define	SD_BUS_WIDTH_4BIT (2U)
	SD data bus width 4-bit mode.

#define	SD_HIGHSPEED_BUSY (0x00020000U)
	SD card high speed busy status bit in CMD6 response.

#define	SD_HIGHSPEED_SUPPORTED (0x00020000U)
	SD card high speed support bit in CMD6 response.

#define	SD_OCR_VDD_27_28 (1 << 15)
	VDD 2.7-2.8.

#define	SD_OCR_VDD_28_29 (1 << 16)
	VDD 2.8-2.9.

#define	SD_OCR_VDD_29_30 (1 << 17)
	VDD 2.9-3.0.

#define	SD_OCR_VDD_30_31 (1 << 18)
	VDD 3.0-3.1.

#define	SD_OCR_VDD_31_32 (1 << 19)
	VDD 3.1-3.2.

#define	SD_OCR_VDD_32_33 (1 << 20)
	VDD 3.2-3.3.

#define	SD_OCR_VDD_33_34 (1 << 21)
	VDD 3.3-3.4.

#define	SD_OCR_VDD_34_35 (1 << 22)
	VDD 3.4-3.5.

#define	SD_OCR_VDD_35_36 (1 << 23)
	VDD 3.5-3.6.

#define	SDMMC_CLK_100KHZ (100000U)

#define	SDMMC_CLK_400KHZ (400000U)

#define	SDMMC_CLK_25MHZ (25000000U)

#define	SDMMC_CLK_50MHZ (50000000U)

#define	SDMMC_R1_OUT_OF_RANGE (uint32_t)(1 << 31)
	R1: out of range status bit.

#define	SDMMC_R1_ADDRESS_ERROR (1 << 30)
	R1: address error status bit.

#define	SDMMC_R1_BLOCK_LEN_ERROR (1 << 29)
	R1: block length error status bit.

#define	SDMMC_R1_ERASE_SEQ_ERROR (1 << 28)
	R1: erase sequence error status bit.

#define	SDMMC_R1_ERASE_PARAM (1 << 27)
	R1: erase parameter error status bit.

#define	SDMMC_R1_WP_VIOLATION (1 << 26)
	R1: write protection violation status bit.

#define	SDMMC_R1_CARD_IS_LOCKED (1 << 25)
	R1: card locked status bit.

#define	SDMMC_R1_LOCK_UNLOCK_FAILED (1 << 24)
	R1: lock/unlock error status bit.

#define	SDMMC_R1_COM_CRC_ERROR (1 << 23)
	R1: CRC error status bit.

#define	SDMMC_R1_ILLEGAL_COMMAND (1 << 22)
	R1: illegal command status bit.

#define	SDMMC_R1_CARD_ECC_FAILED (1 << 21)
	R1: card ecc error status bit.

#define	SDMMC_R1_CC_ERROR (1 << 20)
	R1: internal card controller status bit.

#define	SDMMC_R1_ERROR (1 << 19)
	R1: a general or an unknown error status bit.

#define	SDMMC_R1_UNDERRUN (1 << 18)
	R1: underrun status bit.

#define	SDMMC_R1_OVERRUN (1 << 17)
	R1: overrun status bit.

#define	SDMMC_R1_CID_CSD_OVERWRITE (1 << 16)
	R1: cid/csd overwrite status bit.

#define	SDMMC_R1_WP_ERASE_SKIP (1 << 15)
	R1: write protection erase skip status bit.

#define	SDMMC_R1_CARD_ECC_DISABLED (1 << 14)
	R1: card ecc disabled status bit.

#define	SDMMC_R1_ERASE_RESET (1 << 13)
	R1: erase reset status bit.

#define	SDMMC_R1_STATUS(x) do { ((x) & 0xFFFFE000U); } while(0)
	R1: status.

#define	SDMMC_R1_READY_FOR_DATA (1 << 8)
	R1: ready for data status bit.

#define	SDMMC_R1_SWITCH_ERROR (1 << 7)
	R1: switch error status bit.

#define	SDMMC_R1_APP_CMD (1 << 5)
	R1: application command enabled status bit.

#define	SDMMC_R1_CURRENT_STATE(x) do { (((x) & 0x00001E00U) >> 9); } while(0)
	R1: current state.

#define	SDMMC_R1_STATE_IDLE (0U)
	R1: current state: idle.

#define	SDMMC_R1_STATE_READY (1U)
	R1: current state: ready.

#define	SDMMC_R1_STATE_IDENT (2U)
	R1: current state: ident.

#define	SDMMC_R1_STATE_STBY (3U)
	R1: current state: stby.

#define	SDMMC_R1_STATE_TRAN (4U)
	R1: current state: tran.

#define	SDMMC_R1_STATE_DATA (5U)
	R1: current state: data.

#define	SDMMC_R1_STATE_RCV (6U)
	R1: current state: rcv.

#define	SDMMC_R1_STATE_PRG (7U)
	R1: current state: prg.

#define	SDMMC_R1_STATE_DIS (8U)
	R1: current state: dis.

#define	SDMMC_SD_VERSION_1_0 (1 << 0)
	SD card version 1.0.

#define	SDMMC_SD_VERSION_1_1 (1 << 1)
	SD card version 1.1.

#define	SDMMC_SD_VERSION_2_0 (1 << 2)
	SD card version 2.0.

#define	SDMMC_SD_VERSION_3_0 (1 << 3)
	SD card version 3.0.

Enumerations
enum	mmc_cmd_t { kMmcSetRelativeAddr = 3, kMmcSleepAwake = 5, kMmcSwitch = 6, kMmcSendExtCsd = 8, kMmcReadDataUntilStop = 11, kMmcBusTestRead = 14, kMmcWriteDataUntilStop = 20, kMmcProgramCid = 26, kMmcEraseGroupStart = 35, kMmcEraseGroupEnd = 36, kMmcFastIo = 39, kMmcGoIrqState = 40 }
	< type argument response More...

enum	sdmmc_cmd_t { kGoIdleState = 0, kSendOpCond = 1, kAllSendCid = 2, kSetDsr = 4, kSelectCard = 7, kSendCsd = 9, kSendCid = 10, kStopTransmission = 12, kSendStatus = 13, kGoInactiveState = 15, kSetBlockLen = 16, kReadSingleBlock = 17, kReadMultipleBlock = 18, kSendTuningBlock = 19, kSetBlockCount = 23, kWriteBlock = 24, kWriteMultipleBlock = 25, kProgramCsd = 27, kSetWriteProt = 28, kClrWriteProt = 29, kSendWriteProt = 30, kErase = 38, kLockUnlock = 42, kAppCmd = 55, kGenCmd = 56 }

enum	sd_cmd_t { kSdSendRelativeAddr = 3, kSdSwitch = 6, kSdSendIfCond = 8, kSdVoltageSwitch = 11, kSdSpeedClassControl = 20, kSdEraseWrBlkStart = 32, kSdEraseWrBlkEnd = 33 }

enum	sd_acmd_t { kSdAppSetBusWdith = 6, kSdAppStatus = 13, kSdAppSendNumWrBlocks = 22, kSdAppSetWrBlkEraseCount = 23, kSdAppSendOpCond = 41, kSdAppSetClrCardDetect = 42, kSdAppSendScr = 51 }

enum	sd_switch_mode_t { kSdSwitchCheck = 0, kSdSwitchSet = 1 }

Enumeration Type Documentation

enum mmc_cmd_t

Enumerator
kMmcSetRelativeAddr	ac [31:16] RCA R1
kMmcSleepAwake	ac [31:16] RCA R1b [15] flag
kMmcSwitch	ac [31:16] RCA R1b
kMmcSendExtCsd	adtc R1
kMmcReadDataUntilStop	adtc [31:0] data R1 address
kMmcBusTestRead	adtc R1
kMmcWriteDataUntilStop	ac [31:0] data R1 address
kMmcProgramCid	adtc R1
kMmcEraseGroupStart	ac [31:0] data R1 address
kMmcEraseGroupEnd	ac [31:0] data R1 address
kMmcFastIo	ac R4
kMmcGoIrqState	bcr R5

enum sdmmc_cmd_t

Enumerator
kGoIdleState	bc
kSendOpCond	bcr [31:0] OCR R3
kAllSendCid	bcr R2
kSetDsr	bc [31:16] RCA
kSelectCard	ac [31:16] RCA R1b
kSendCsd	ac [31:16] RCA R2
kSendCid	ac [31:16] RCA R2
kStopTransmission	ac [31:16] RCA R1b
kSendStatus	ac [31:16] RCA R1
kGoInactiveState	ac [31:16] RCA
kSetBlockLen	ac [31:0] block R1 length
kReadSingleBlock	adtc [31:0] data R1 address
kReadMultipleBlock	adtc [31:0] data R1 address
kSendTuningBlock	adtc [31:0] all R1 zero
kSetBlockCount	ac [31:0] block R1 count
kWriteBlock	adtc [31:0] data R1 address
kWriteMultipleBlock	adtc [31:0] data R1 address
kProgramCsd	adtc R1
kSetWriteProt	ac [31:0] data R1b address
kClrWriteProt	ac [31:0] data R1b address
kSendWriteProt	adtc [31:0] write R1b protect data address
kErase	ac R1
kLockUnlock	adtc all zero R1
kAppCmd	ac [31:16] RCA R1
kGenCmd	adtc [0] RD/WR R1

enum sd_cmd_t

Enumerator
kSdSendRelativeAddr	bcr R6
kSdSwitch	adtc [31] mode R1 [15:12] func group 4: current limit [11:8] func group 3: drive strength [7:4] func group 2: command system [3:0] func group 1: access mode
kSdSendIfCond	bcr [11:8] supply R7 voltage [7:0] check pattern
kSdVoltageSwitch	ac R1
kSdSpeedClassControl	ac [31:28] speed R1b class control
kSdEraseWrBlkStart	ac [31:0] data R1 address
kSdEraseWrBlkEnd	ac [31:0] data R1 address

enum sd_acmd_t

Enumerator
kSdAppSetBusWdith	ac [1:0] bus R1 width
kSdAppStatus	adtc R1
kSdAppSendNumWrBlocks	adtc R1
kSdAppSetWrBlkEraseCount	ac [22:0] number R1 of blocks
kSdAppSendOpCond	bcr [30] HCS R3 [28] XPC [24] S18R [23:0] VDD voltage window
kSdAppSetClrCardDetect	ac [0] set cd R1
kSdAppSendScr	adtc R1

enum sd_switch_mode_t

Enumerator
kSdSwitchCheck	SD switch mode 0: check function.
kSdSwitchSet	SD switch mode 1: set function.

Macros

Enumerations

Enumeration Type Documentation