mirror of
https://github.com/DarkFlippers/unleashed-firmware
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4705812d24
* Storage: remove unused error from SDInfo * FatFS: remove sd_spi_io * HAL: sd card api * Update: use sd hal * FatFS: use sd hal * Storage: use sd hal * API: sd hal * Fix TODO workflow * SD Hal: Fix source buffer overflow * fix for fix! * HAL: cleanup sd detection api * HAL: FURI_HAL_SD_SPI_DEBUG flag * HAL: FuriHalSdStatus -> FuriStatus * API: downgrade * Change define logic * HAL: presence
1095 lines
No EOL
35 KiB
C
1095 lines
No EOL
35 KiB
C
#include <furi_hal_sd.h>
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#include <stm32wbxx_ll_gpio.h>
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#include <furi.h>
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#include <furi_hal.h>
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#include "../fatfs/sector_cache.h"
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#define TAG "SdSpi"
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#ifdef FURI_HAL_SD_SPI_DEBUG
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#define sd_spi_debug(...) FURI_LOG_I(TAG, __VA_ARGS__)
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#else
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#define sd_spi_debug(...)
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#endif
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#define SD_CMD_LENGTH (6)
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#define SD_DUMMY_BYTE (0xFF)
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#define SD_ANSWER_RETRY_COUNT (8)
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#define SD_IDLE_RETRY_COUNT (100)
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#define SD_TIMEOUT_MS (1000)
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#define SD_BLOCK_SIZE (512)
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#define FLAG_SET(x, y) (((x) & (y)) == (y))
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static bool sd_high_capacity = false;
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typedef enum {
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SdSpiDataResponceOK = 0x05,
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SdSpiDataResponceCRCError = 0x0B,
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SdSpiDataResponceWriteError = 0x0D,
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SdSpiDataResponceOtherError = 0xFF,
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} SdSpiDataResponce;
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typedef struct {
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uint8_t r1;
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uint8_t r2;
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uint8_t r3;
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uint8_t r4;
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uint8_t r5;
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} SdSpiCmdAnswer;
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typedef enum {
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SdSpiCmdAnswerTypeR1,
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SdSpiCmdAnswerTypeR1B,
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SdSpiCmdAnswerTypeR2,
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SdSpiCmdAnswerTypeR3,
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SdSpiCmdAnswerTypeR4R5,
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SdSpiCmdAnswerTypeR7,
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} SdSpiCmdAnswerType;
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/*
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SdSpiCmd and SdSpiToken use non-standard enum value names convention,
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because it is more convenient to look for documentation on a specific command.
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For example, to find out what the SD_CMD23_SET_BLOCK_COUNT command does, you need to look for
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SET_BLOCK_COUNT or CMD23 in the "Part 1 Physical Layer Simplified Specification".
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Do not use that naming convention in other places.
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*/
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typedef enum {
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SD_CMD0_GO_IDLE_STATE = 0,
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SD_CMD1_SEND_OP_COND = 1,
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SD_CMD8_SEND_IF_COND = 8,
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SD_CMD9_SEND_CSD = 9,
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SD_CMD10_SEND_CID = 10,
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SD_CMD12_STOP_TRANSMISSION = 12,
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SD_CMD13_SEND_STATUS = 13,
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SD_CMD16_SET_BLOCKLEN = 16,
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SD_CMD17_READ_SINGLE_BLOCK = 17,
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SD_CMD18_READ_MULT_BLOCK = 18,
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SD_CMD23_SET_BLOCK_COUNT = 23,
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SD_CMD24_WRITE_SINGLE_BLOCK = 24,
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SD_CMD25_WRITE_MULT_BLOCK = 25,
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SD_CMD27_PROG_CSD = 27,
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SD_CMD28_SET_WRITE_PROT = 28,
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SD_CMD29_CLR_WRITE_PROT = 29,
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SD_CMD30_SEND_WRITE_PROT = 30,
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SD_CMD32_SD_ERASE_GRP_START = 32,
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SD_CMD33_SD_ERASE_GRP_END = 33,
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SD_CMD34_UNTAG_SECTOR = 34,
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SD_CMD35_ERASE_GRP_START = 35,
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SD_CMD36_ERASE_GRP_END = 36,
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SD_CMD37_UNTAG_ERASE_GROUP = 37,
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SD_CMD38_ERASE = 38,
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SD_CMD41_SD_APP_OP_COND = 41,
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SD_CMD55_APP_CMD = 55,
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SD_CMD58_READ_OCR = 58,
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} SdSpiCmd;
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/** Data tokens */
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typedef enum {
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SD_TOKEN_START_DATA_SINGLE_BLOCK_READ = 0xFE,
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SD_TOKEN_START_DATA_MULTIPLE_BLOCK_READ = 0xFE,
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SD_TOKEN_START_DATA_SINGLE_BLOCK_WRITE = 0xFE,
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SD_TOKEN_START_DATA_MULTIPLE_BLOCK_WRITE = 0xFC,
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SD_TOKEN_STOP_DATA_MULTIPLE_BLOCK_WRITE = 0xFD,
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} SdSpiToken;
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/** R1 answer value */
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typedef enum {
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SdSpi_R1_NO_ERROR = 0x00,
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SdSpi_R1_IN_IDLE_STATE = 0x01,
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SdSpi_R1_ERASE_RESET = 0x02,
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SdSpi_R1_ILLEGAL_COMMAND = 0x04,
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SdSpi_R1_COM_CRC_ERROR = 0x08,
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SdSpi_R1_ERASE_SEQUENCE_ERROR = 0x10,
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SdSpi_R1_ADDRESS_ERROR = 0x20,
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SdSpi_R1_PARAMETER_ERROR = 0x40,
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} SdSpiR1;
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/** R2 answer value */
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typedef enum {
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/* R2 answer value */
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SdSpi_R2_NO_ERROR = 0x00,
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SdSpi_R2_CARD_LOCKED = 0x01,
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SdSpi_R2_LOCKUNLOCK_ERROR = 0x02,
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SdSpi_R2_ERROR = 0x04,
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SdSpi_R2_CC_ERROR = 0x08,
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SdSpi_R2_CARD_ECC_FAILED = 0x10,
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SdSpi_R2_WP_VIOLATION = 0x20,
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SdSpi_R2_ERASE_PARAM = 0x40,
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SdSpi_R2_OUTOFRANGE = 0x80,
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} SdSpiR2;
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/**
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* @brief Card Specific Data: CSD Register
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*/
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typedef struct {
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/* Header part */
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uint8_t CSDStruct : 2; /* CSD structure */
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uint8_t Reserved1 : 6; /* Reserved */
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uint8_t TAAC : 8; /* Data read access-time 1 */
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uint8_t NSAC : 8; /* Data read access-time 2 in CLK cycles */
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uint8_t MaxBusClkFreq : 8; /* Max. bus clock frequency */
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uint16_t CardComdClasses : 12; /* Card command classes */
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uint8_t RdBlockLen : 4; /* Max. read data block length */
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uint8_t PartBlockRead : 1; /* Partial blocks for read allowed */
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uint8_t WrBlockMisalign : 1; /* Write block misalignment */
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uint8_t RdBlockMisalign : 1; /* Read block misalignment */
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uint8_t DSRImpl : 1; /* DSR implemented */
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/* v1 or v2 struct */
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union csd_version {
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struct {
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uint8_t Reserved1 : 2; /* Reserved */
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uint16_t DeviceSize : 12; /* Device Size */
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uint8_t MaxRdCurrentVDDMin : 3; /* Max. read current @ VDD min */
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uint8_t MaxRdCurrentVDDMax : 3; /* Max. read current @ VDD max */
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uint8_t MaxWrCurrentVDDMin : 3; /* Max. write current @ VDD min */
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uint8_t MaxWrCurrentVDDMax : 3; /* Max. write current @ VDD max */
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uint8_t DeviceSizeMul : 3; /* Device size multiplier */
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} v1;
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struct {
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uint8_t Reserved1 : 6; /* Reserved */
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uint32_t DeviceSize : 22; /* Device Size */
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uint8_t Reserved2 : 1; /* Reserved */
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} v2;
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} version;
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uint8_t EraseSingleBlockEnable : 1; /* Erase single block enable */
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uint8_t EraseSectorSize : 7; /* Erase group size multiplier */
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uint8_t WrProtectGrSize : 7; /* Write protect group size */
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uint8_t WrProtectGrEnable : 1; /* Write protect group enable */
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uint8_t Reserved2 : 2; /* Reserved */
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uint8_t WrSpeedFact : 3; /* Write speed factor */
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uint8_t MaxWrBlockLen : 4; /* Max. write data block length */
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uint8_t WriteBlockPartial : 1; /* Partial blocks for write allowed */
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uint8_t Reserved3 : 5; /* Reserved */
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uint8_t FileFormatGrouop : 1; /* File format group */
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uint8_t CopyFlag : 1; /* Copy flag (OTP) */
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uint8_t PermWrProtect : 1; /* Permanent write protection */
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uint8_t TempWrProtect : 1; /* Temporary write protection */
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uint8_t FileFormat : 2; /* File Format */
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uint8_t Reserved4 : 2; /* Reserved */
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uint8_t crc : 7; /* Reserved */
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uint8_t Reserved5 : 1; /* always 1*/
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} SD_CSD;
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/**
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* @brief Card Identification Data: CID Register
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*/
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typedef struct {
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uint8_t ManufacturerID; /* ManufacturerID */
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char OEM_AppliID[2]; /* OEM/Application ID */
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char ProdName[5]; /* Product Name */
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uint8_t ProdRev; /* Product Revision */
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uint32_t ProdSN; /* Product Serial Number */
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uint8_t Reserved1; /* Reserved1 */
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uint8_t ManufactYear; /* Manufacturing Year */
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uint8_t ManufactMonth; /* Manufacturing Month */
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uint8_t CID_CRC; /* CID CRC */
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uint8_t Reserved2; /* always 1 */
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} SD_CID;
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/**
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* @brief SD Card information structure
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*/
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typedef struct {
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SD_CSD Csd;
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SD_CID Cid;
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uint64_t CardCapacity; /*!< Card Capacity */
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uint32_t CardBlockSize; /*!< Card Block Size */
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uint32_t LogBlockNbr; /*!< Specifies the Card logical Capacity in blocks */
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uint32_t LogBlockSize; /*!< Specifies logical block size in bytes */
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} SD_CardInfo;
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/** Pointer to currently used SPI Handle */
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FuriHalSpiBusHandle* furi_hal_sd_spi_handle = NULL;
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static inline void sd_spi_select_card() {
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furi_hal_gpio_write(furi_hal_sd_spi_handle->cs, false);
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furi_delay_us(10); // Entry guard time for some SD cards
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}
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static inline void sd_spi_deselect_card() {
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furi_delay_us(10); // Exit guard time for some SD cards
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furi_hal_gpio_write(furi_hal_sd_spi_handle->cs, true);
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}
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static void sd_spi_bus_to_ground() {
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furi_hal_gpio_init_ex(
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furi_hal_sd_spi_handle->miso,
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GpioModeOutputPushPull,
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GpioPullNo,
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GpioSpeedVeryHigh,
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GpioAltFnUnused);
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furi_hal_gpio_init_ex(
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furi_hal_sd_spi_handle->mosi,
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GpioModeOutputPushPull,
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GpioPullNo,
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GpioSpeedVeryHigh,
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GpioAltFnUnused);
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furi_hal_gpio_init_ex(
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furi_hal_sd_spi_handle->sck,
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GpioModeOutputPushPull,
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GpioPullNo,
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GpioSpeedVeryHigh,
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GpioAltFnUnused);
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sd_spi_select_card();
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furi_hal_gpio_write(furi_hal_sd_spi_handle->miso, false);
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furi_hal_gpio_write(furi_hal_sd_spi_handle->mosi, false);
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furi_hal_gpio_write(furi_hal_sd_spi_handle->sck, false);
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}
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static void sd_spi_bus_rise_up() {
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sd_spi_deselect_card();
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furi_hal_gpio_init_ex(
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furi_hal_sd_spi_handle->miso,
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GpioModeAltFunctionPushPull,
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GpioPullUp,
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GpioSpeedVeryHigh,
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GpioAltFn5SPI2);
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furi_hal_gpio_init_ex(
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furi_hal_sd_spi_handle->mosi,
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GpioModeAltFunctionPushPull,
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GpioPullUp,
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GpioSpeedVeryHigh,
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GpioAltFn5SPI2);
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furi_hal_gpio_init_ex(
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furi_hal_sd_spi_handle->sck,
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GpioModeAltFunctionPushPull,
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GpioPullUp,
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GpioSpeedVeryHigh,
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GpioAltFn5SPI2);
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}
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static inline uint8_t sd_spi_read_byte(void) {
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uint8_t responce;
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furi_check(furi_hal_spi_bus_trx(furi_hal_sd_spi_handle, NULL, &responce, 1, SD_TIMEOUT_MS));
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return responce;
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}
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static inline void sd_spi_write_byte(uint8_t data) {
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furi_check(furi_hal_spi_bus_trx(furi_hal_sd_spi_handle, &data, NULL, 1, SD_TIMEOUT_MS));
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}
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static inline uint8_t sd_spi_write_and_read_byte(uint8_t data) {
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uint8_t responce;
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furi_check(furi_hal_spi_bus_trx(furi_hal_sd_spi_handle, &data, &responce, 1, SD_TIMEOUT_MS));
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return responce;
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}
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static inline void sd_spi_write_bytes(uint8_t* data, uint32_t size) {
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furi_check(furi_hal_spi_bus_trx(furi_hal_sd_spi_handle, data, NULL, size, SD_TIMEOUT_MS));
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}
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static inline void sd_spi_read_bytes(uint8_t* data, uint32_t size) {
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furi_check(furi_hal_spi_bus_trx(furi_hal_sd_spi_handle, NULL, data, size, SD_TIMEOUT_MS));
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}
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static inline void sd_spi_write_bytes_dma(uint8_t* data, uint32_t size) {
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uint32_t timeout_mul = (size / 512) + 1;
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furi_check(furi_hal_spi_bus_trx_dma(
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furi_hal_sd_spi_handle, data, NULL, size, SD_TIMEOUT_MS * timeout_mul));
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}
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static inline void sd_spi_read_bytes_dma(uint8_t* data, uint32_t size) {
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uint32_t timeout_mul = (size / 512) + 1;
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furi_check(furi_hal_spi_bus_trx_dma(
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furi_hal_sd_spi_handle, NULL, data, size, SD_TIMEOUT_MS * timeout_mul));
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}
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static uint8_t sd_spi_wait_for_data_and_read(void) {
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uint8_t retry_count = SD_ANSWER_RETRY_COUNT;
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uint8_t responce;
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// Wait until we get a valid data
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do {
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responce = sd_spi_read_byte();
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retry_count--;
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} while((responce == SD_DUMMY_BYTE) && retry_count);
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return responce;
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}
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static FuriStatus sd_spi_wait_for_data(uint8_t data, uint32_t timeout_ms) {
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FuriHalCortexTimer timer = furi_hal_cortex_timer_get(timeout_ms * 1000);
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uint8_t byte;
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do {
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byte = sd_spi_read_byte();
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if(furi_hal_cortex_timer_is_expired(timer)) {
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return FuriStatusErrorTimeout;
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}
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} while((byte != data));
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return FuriStatusOk;
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}
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static inline void sd_spi_deselect_card_and_purge() {
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sd_spi_deselect_card();
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sd_spi_read_byte();
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}
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static inline void sd_spi_purge_crc() {
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sd_spi_read_byte();
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sd_spi_read_byte();
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}
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static SdSpiCmdAnswer
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sd_spi_send_cmd(SdSpiCmd cmd, uint32_t arg, uint8_t crc, SdSpiCmdAnswerType answer_type) {
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uint8_t frame[SD_CMD_LENGTH];
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SdSpiCmdAnswer cmd_answer = {
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.r1 = SD_DUMMY_BYTE,
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.r2 = SD_DUMMY_BYTE,
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.r3 = SD_DUMMY_BYTE,
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.r4 = SD_DUMMY_BYTE,
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.r5 = SD_DUMMY_BYTE,
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};
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// R1 Length = NCS(0)+ 6 Bytes command + NCR(min1 max8) + 1 Bytes answer + NEC(0) = 15bytes
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// R1b identical to R1 + Busy information
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// R2 Length = NCS(0)+ 6 Bytes command + NCR(min1 max8) + 2 Bytes answer + NEC(0) = 16bytes
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frame[0] = ((uint8_t)cmd | 0x40);
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frame[1] = (uint8_t)(arg >> 24);
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frame[2] = (uint8_t)(arg >> 16);
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frame[3] = (uint8_t)(arg >> 8);
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frame[4] = (uint8_t)(arg);
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frame[5] = (crc | 0x01);
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sd_spi_select_card();
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sd_spi_write_bytes(frame, sizeof(frame));
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switch(answer_type) {
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case SdSpiCmdAnswerTypeR1:
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cmd_answer.r1 = sd_spi_wait_for_data_and_read();
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break;
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case SdSpiCmdAnswerTypeR1B:
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// TODO FL-3507: can be wrong, at least for SD_CMD12_STOP_TRANSMISSION you need to purge one byte before reading R1
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cmd_answer.r1 = sd_spi_wait_for_data_and_read();
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// In general this shenenigans seems suspicious, please double check SD specs if you are using SdSpiCmdAnswerTypeR1B
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// reassert card
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sd_spi_deselect_card();
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furi_delay_us(1000);
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sd_spi_deselect_card();
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// and wait for it to be ready
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while(sd_spi_read_byte() != 0xFF) {
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};
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break;
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case SdSpiCmdAnswerTypeR2:
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cmd_answer.r1 = sd_spi_wait_for_data_and_read();
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cmd_answer.r2 = sd_spi_read_byte();
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break;
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case SdSpiCmdAnswerTypeR3:
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case SdSpiCmdAnswerTypeR7:
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cmd_answer.r1 = sd_spi_wait_for_data_and_read();
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cmd_answer.r2 = sd_spi_read_byte();
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cmd_answer.r3 = sd_spi_read_byte();
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cmd_answer.r4 = sd_spi_read_byte();
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cmd_answer.r5 = sd_spi_read_byte();
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break;
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default:
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break;
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}
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return cmd_answer;
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}
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static SdSpiDataResponce sd_spi_get_data_response(uint32_t timeout_ms) {
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SdSpiDataResponce responce = sd_spi_read_byte();
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// read busy response byte
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sd_spi_read_byte();
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switch(responce & 0x1F) {
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case SdSpiDataResponceOK:
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// TODO FL-3508: check timings
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sd_spi_deselect_card();
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sd_spi_select_card();
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// wait for 0xFF
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if(sd_spi_wait_for_data(0xFF, timeout_ms) == FuriStatusOk) {
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return SdSpiDataResponceOK;
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} else {
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return SdSpiDataResponceOtherError;
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}
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case SdSpiDataResponceCRCError:
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return SdSpiDataResponceCRCError;
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case SdSpiDataResponceWriteError:
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return SdSpiDataResponceWriteError;
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default:
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return SdSpiDataResponceOtherError;
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}
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}
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static FuriStatus sd_spi_init_spi_mode_v1(void) {
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SdSpiCmdAnswer response;
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uint8_t retry_count = 0;
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sd_spi_debug("Init SD card in SPI mode v1");
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|
|
do {
|
|
retry_count++;
|
|
|
|
// CMD55 (APP_CMD) before any ACMD command: R1 response (0x00: no errors)
|
|
sd_spi_send_cmd(SD_CMD55_APP_CMD, 0, 0xFF, SdSpiCmdAnswerTypeR1);
|
|
sd_spi_deselect_card_and_purge();
|
|
|
|
// ACMD41 (SD_APP_OP_COND) to initialize SDHC or SDXC cards: R1 response (0x00: no errors)
|
|
response = sd_spi_send_cmd(SD_CMD41_SD_APP_OP_COND, 0, 0xFF, SdSpiCmdAnswerTypeR1);
|
|
sd_spi_deselect_card_and_purge();
|
|
|
|
if(retry_count >= SD_IDLE_RETRY_COUNT) {
|
|
return FuriStatusError;
|
|
}
|
|
} while(response.r1 == SdSpi_R1_IN_IDLE_STATE);
|
|
|
|
sd_spi_debug("Init SD card in SPI mode v1 done");
|
|
|
|
return FuriStatusOk;
|
|
}
|
|
|
|
static FuriStatus sd_spi_init_spi_mode_v2(void) {
|
|
SdSpiCmdAnswer response;
|
|
uint8_t retry_count = 0;
|
|
|
|
sd_spi_debug("Init SD card in SPI mode v2");
|
|
|
|
do {
|
|
retry_count++;
|
|
// CMD55 (APP_CMD) before any ACMD command: R1 response (0x00: no errors)
|
|
sd_spi_send_cmd(SD_CMD55_APP_CMD, 0, 0xFF, SdSpiCmdAnswerTypeR1);
|
|
sd_spi_deselect_card_and_purge();
|
|
|
|
// ACMD41 (APP_OP_COND) to initialize SDHC or SDXC cards: R1 response (0x00: no errors)
|
|
response =
|
|
sd_spi_send_cmd(SD_CMD41_SD_APP_OP_COND, 0x40000000, 0xFF, SdSpiCmdAnswerTypeR1);
|
|
sd_spi_deselect_card_and_purge();
|
|
|
|
if(retry_count >= SD_IDLE_RETRY_COUNT) {
|
|
sd_spi_debug("ACMD41 failed");
|
|
return FuriStatusError;
|
|
}
|
|
} while(response.r1 == SdSpi_R1_IN_IDLE_STATE);
|
|
|
|
if(FLAG_SET(response.r1, SdSpi_R1_ILLEGAL_COMMAND)) {
|
|
sd_spi_debug("ACMD41 is illegal command");
|
|
retry_count = 0;
|
|
do {
|
|
retry_count++;
|
|
// CMD55 (APP_CMD) before any ACMD command: R1 response (0x00: no errors)
|
|
response = sd_spi_send_cmd(SD_CMD55_APP_CMD, 0, 0xFF, SdSpiCmdAnswerTypeR1);
|
|
sd_spi_deselect_card_and_purge();
|
|
|
|
if(response.r1 != SdSpi_R1_IN_IDLE_STATE) {
|
|
sd_spi_debug("CMD55 failed");
|
|
return FuriStatusError;
|
|
}
|
|
// ACMD41 (SD_APP_OP_COND) to initialize SDHC or SDXC cards: R1 response (0x00: no errors)
|
|
response = sd_spi_send_cmd(SD_CMD41_SD_APP_OP_COND, 0, 0xFF, SdSpiCmdAnswerTypeR1);
|
|
sd_spi_deselect_card_and_purge();
|
|
|
|
if(retry_count >= SD_IDLE_RETRY_COUNT) {
|
|
sd_spi_debug("ACMD41 failed");
|
|
return FuriStatusError;
|
|
}
|
|
} while(response.r1 == SdSpi_R1_IN_IDLE_STATE);
|
|
}
|
|
|
|
sd_spi_debug("Init SD card in SPI mode v2 done");
|
|
|
|
return FuriStatusOk;
|
|
}
|
|
|
|
static FuriStatus sd_spi_init_spi_mode(void) {
|
|
SdSpiCmdAnswer response;
|
|
uint8_t retry_count;
|
|
|
|
// CMD0 (GO_IDLE_STATE) to put SD in SPI mode and
|
|
// wait for In Idle State Response (R1 Format) equal to 0x01
|
|
retry_count = 0;
|
|
do {
|
|
retry_count++;
|
|
response = sd_spi_send_cmd(SD_CMD0_GO_IDLE_STATE, 0, 0x95, SdSpiCmdAnswerTypeR1);
|
|
sd_spi_deselect_card_and_purge();
|
|
|
|
if(retry_count >= SD_IDLE_RETRY_COUNT) {
|
|
sd_spi_debug("CMD0 failed");
|
|
return FuriStatusError;
|
|
}
|
|
} while(response.r1 != SdSpi_R1_IN_IDLE_STATE);
|
|
|
|
// CMD8 (SEND_IF_COND) to check the power supply status
|
|
// and wait until response (R7 Format) equal to 0xAA and
|
|
response = sd_spi_send_cmd(SD_CMD8_SEND_IF_COND, 0x1AA, 0x87, SdSpiCmdAnswerTypeR7);
|
|
sd_spi_deselect_card_and_purge();
|
|
|
|
if(FLAG_SET(response.r1, SdSpi_R1_ILLEGAL_COMMAND)) {
|
|
if(sd_spi_init_spi_mode_v1() != FuriStatusOk) {
|
|
sd_spi_debug("Init mode v1 failed");
|
|
return FuriStatusError;
|
|
}
|
|
sd_high_capacity = 0;
|
|
} else if(response.r1 == SdSpi_R1_IN_IDLE_STATE) {
|
|
if(sd_spi_init_spi_mode_v2() != FuriStatusOk) {
|
|
sd_spi_debug("Init mode v2 failed");
|
|
return FuriStatusError;
|
|
}
|
|
|
|
// CMD58 (READ_OCR) to initialize SDHC or SDXC cards: R3 response
|
|
response = sd_spi_send_cmd(SD_CMD58_READ_OCR, 0, 0xFF, SdSpiCmdAnswerTypeR3);
|
|
sd_spi_deselect_card_and_purge();
|
|
|
|
if(response.r1 != SdSpi_R1_NO_ERROR) {
|
|
sd_spi_debug("CMD58 failed");
|
|
return FuriStatusError;
|
|
}
|
|
sd_high_capacity = (response.r2 & 0x40) >> 6;
|
|
} else {
|
|
return FuriStatusError;
|
|
}
|
|
|
|
sd_spi_debug("SD card is %s", sd_high_capacity ? "SDHC or SDXC" : "SDSC");
|
|
return FuriStatusOk;
|
|
}
|
|
|
|
static FuriStatus sd_spi_get_csd(SD_CSD* csd) {
|
|
uint16_t counter = 0;
|
|
uint8_t csd_data[16];
|
|
FuriStatus ret = FuriStatusError;
|
|
SdSpiCmdAnswer response;
|
|
|
|
// CMD9 (SEND_CSD): R1 format (0x00 is no errors)
|
|
response = sd_spi_send_cmd(SD_CMD9_SEND_CSD, 0, 0xFF, SdSpiCmdAnswerTypeR1);
|
|
|
|
if(response.r1 == SdSpi_R1_NO_ERROR) {
|
|
if(sd_spi_wait_for_data(SD_TOKEN_START_DATA_SINGLE_BLOCK_READ, SD_TIMEOUT_MS) ==
|
|
FuriStatusOk) {
|
|
// read CSD data
|
|
for(counter = 0; counter < 16; counter++) {
|
|
csd_data[counter] = sd_spi_read_byte();
|
|
}
|
|
|
|
sd_spi_purge_crc();
|
|
|
|
/*************************************************************************
|
|
CSD header decoding
|
|
*************************************************************************/
|
|
|
|
csd->CSDStruct = (csd_data[0] & 0xC0) >> 6;
|
|
csd->Reserved1 = csd_data[0] & 0x3F;
|
|
csd->TAAC = csd_data[1];
|
|
csd->NSAC = csd_data[2];
|
|
csd->MaxBusClkFreq = csd_data[3];
|
|
csd->CardComdClasses = (csd_data[4] << 4) | ((csd_data[5] & 0xF0) >> 4);
|
|
csd->RdBlockLen = csd_data[5] & 0x0F;
|
|
csd->PartBlockRead = (csd_data[6] & 0x80) >> 7;
|
|
csd->WrBlockMisalign = (csd_data[6] & 0x40) >> 6;
|
|
csd->RdBlockMisalign = (csd_data[6] & 0x20) >> 5;
|
|
csd->DSRImpl = (csd_data[6] & 0x10) >> 4;
|
|
|
|
/*************************************************************************
|
|
CSD v1/v2 decoding
|
|
*************************************************************************/
|
|
|
|
if(sd_high_capacity == 0) {
|
|
csd->version.v1.Reserved1 = ((csd_data[6] & 0x0C) >> 2);
|
|
csd->version.v1.DeviceSize = ((csd_data[6] & 0x03) << 10) | (csd_data[7] << 2) |
|
|
((csd_data[8] & 0xC0) >> 6);
|
|
csd->version.v1.MaxRdCurrentVDDMin = (csd_data[8] & 0x38) >> 3;
|
|
csd->version.v1.MaxRdCurrentVDDMax = (csd_data[8] & 0x07);
|
|
csd->version.v1.MaxWrCurrentVDDMin = (csd_data[9] & 0xE0) >> 5;
|
|
csd->version.v1.MaxWrCurrentVDDMax = (csd_data[9] & 0x1C) >> 2;
|
|
csd->version.v1.DeviceSizeMul = ((csd_data[9] & 0x03) << 1) |
|
|
((csd_data[10] & 0x80) >> 7);
|
|
} else {
|
|
csd->version.v2.Reserved1 = ((csd_data[6] & 0x0F) << 2) |
|
|
((csd_data[7] & 0xC0) >> 6);
|
|
csd->version.v2.DeviceSize = ((csd_data[7] & 0x3F) << 16) | (csd_data[8] << 8) |
|
|
csd_data[9];
|
|
csd->version.v2.Reserved2 = ((csd_data[10] & 0x80) >> 8);
|
|
}
|
|
|
|
csd->EraseSingleBlockEnable = (csd_data[10] & 0x40) >> 6;
|
|
csd->EraseSectorSize = ((csd_data[10] & 0x3F) << 1) | ((csd_data[11] & 0x80) >> 7);
|
|
csd->WrProtectGrSize = (csd_data[11] & 0x7F);
|
|
csd->WrProtectGrEnable = (csd_data[12] & 0x80) >> 7;
|
|
csd->Reserved2 = (csd_data[12] & 0x60) >> 5;
|
|
csd->WrSpeedFact = (csd_data[12] & 0x1C) >> 2;
|
|
csd->MaxWrBlockLen = ((csd_data[12] & 0x03) << 2) | ((csd_data[13] & 0xC0) >> 6);
|
|
csd->WriteBlockPartial = (csd_data[13] & 0x20) >> 5;
|
|
csd->Reserved3 = (csd_data[13] & 0x1F);
|
|
csd->FileFormatGrouop = (csd_data[14] & 0x80) >> 7;
|
|
csd->CopyFlag = (csd_data[14] & 0x40) >> 6;
|
|
csd->PermWrProtect = (csd_data[14] & 0x20) >> 5;
|
|
csd->TempWrProtect = (csd_data[14] & 0x10) >> 4;
|
|
csd->FileFormat = (csd_data[14] & 0x0C) >> 2;
|
|
csd->Reserved4 = (csd_data[14] & 0x03);
|
|
csd->crc = (csd_data[15] & 0xFE) >> 1;
|
|
csd->Reserved5 = (csd_data[15] & 0x01);
|
|
|
|
ret = FuriStatusOk;
|
|
}
|
|
}
|
|
|
|
sd_spi_deselect_card_and_purge();
|
|
|
|
return ret;
|
|
}
|
|
|
|
static FuriStatus sd_spi_get_cid(SD_CID* Cid) {
|
|
uint16_t counter = 0;
|
|
uint8_t cid_data[16];
|
|
FuriStatus ret = FuriStatusError;
|
|
SdSpiCmdAnswer response;
|
|
|
|
// CMD10 (SEND_CID): R1 format (0x00 is no errors)
|
|
response = sd_spi_send_cmd(SD_CMD10_SEND_CID, 0, 0xFF, SdSpiCmdAnswerTypeR1);
|
|
|
|
if(response.r1 == SdSpi_R1_NO_ERROR) {
|
|
if(sd_spi_wait_for_data(SD_TOKEN_START_DATA_SINGLE_BLOCK_READ, SD_TIMEOUT_MS) ==
|
|
FuriStatusOk) {
|
|
// read CID data
|
|
for(counter = 0; counter < 16; counter++) {
|
|
cid_data[counter] = sd_spi_read_byte();
|
|
}
|
|
|
|
sd_spi_purge_crc();
|
|
|
|
Cid->ManufacturerID = cid_data[0];
|
|
memcpy(Cid->OEM_AppliID, cid_data + 1, 2);
|
|
memcpy(Cid->ProdName, cid_data + 3, 5);
|
|
Cid->ProdRev = cid_data[8];
|
|
Cid->ProdSN = cid_data[9] << 24;
|
|
Cid->ProdSN |= cid_data[10] << 16;
|
|
Cid->ProdSN |= cid_data[11] << 8;
|
|
Cid->ProdSN |= cid_data[12];
|
|
Cid->Reserved1 = (cid_data[13] & 0xF0) >> 4;
|
|
Cid->ManufactYear = (cid_data[13] & 0x0F) << 4;
|
|
Cid->ManufactYear |= (cid_data[14] & 0xF0) >> 4;
|
|
Cid->ManufactMonth = (cid_data[14] & 0x0F);
|
|
Cid->CID_CRC = (cid_data[15] & 0xFE) >> 1;
|
|
Cid->Reserved2 = 1;
|
|
|
|
ret = FuriStatusOk;
|
|
}
|
|
}
|
|
|
|
sd_spi_deselect_card_and_purge();
|
|
|
|
return ret;
|
|
}
|
|
|
|
static FuriStatus
|
|
sd_spi_cmd_read_blocks(uint32_t* data, uint32_t address, uint32_t blocks, uint32_t timeout_ms) {
|
|
uint32_t block_address = address;
|
|
uint32_t offset = 0;
|
|
|
|
// CMD16 (SET_BLOCKLEN): R1 response (0x00: no errors)
|
|
SdSpiCmdAnswer response =
|
|
sd_spi_send_cmd(SD_CMD16_SET_BLOCKLEN, SD_BLOCK_SIZE, 0xFF, SdSpiCmdAnswerTypeR1);
|
|
sd_spi_deselect_card_and_purge();
|
|
|
|
if(response.r1 != SdSpi_R1_NO_ERROR) {
|
|
return FuriStatusError;
|
|
}
|
|
|
|
if(!sd_high_capacity) {
|
|
block_address = address * SD_BLOCK_SIZE;
|
|
}
|
|
|
|
while(blocks--) {
|
|
// CMD17 (READ_SINGLE_BLOCK): R1 response (0x00: no errors)
|
|
response =
|
|
sd_spi_send_cmd(SD_CMD17_READ_SINGLE_BLOCK, block_address, 0xFF, SdSpiCmdAnswerTypeR1);
|
|
if(response.r1 != SdSpi_R1_NO_ERROR) {
|
|
sd_spi_deselect_card_and_purge();
|
|
return FuriStatusError;
|
|
}
|
|
|
|
// Wait for the data start token
|
|
if(sd_spi_wait_for_data(SD_TOKEN_START_DATA_SINGLE_BLOCK_READ, timeout_ms) ==
|
|
FuriStatusOk) {
|
|
// Read the data block
|
|
sd_spi_read_bytes_dma((uint8_t*)data + offset, SD_BLOCK_SIZE);
|
|
sd_spi_purge_crc();
|
|
|
|
// increase offset
|
|
offset += SD_BLOCK_SIZE;
|
|
|
|
// increase block address
|
|
if(sd_high_capacity) {
|
|
block_address += 1;
|
|
} else {
|
|
block_address += SD_BLOCK_SIZE;
|
|
}
|
|
} else {
|
|
sd_spi_deselect_card_and_purge();
|
|
return FuriStatusError;
|
|
}
|
|
|
|
sd_spi_deselect_card_and_purge();
|
|
}
|
|
|
|
return FuriStatusOk;
|
|
}
|
|
|
|
static FuriStatus sd_spi_cmd_write_blocks(
|
|
const uint32_t* data,
|
|
uint32_t address,
|
|
uint32_t blocks,
|
|
uint32_t timeout_ms) {
|
|
uint32_t block_address = address;
|
|
uint32_t offset = 0;
|
|
|
|
// CMD16 (SET_BLOCKLEN): R1 response (0x00: no errors)
|
|
SdSpiCmdAnswer response =
|
|
sd_spi_send_cmd(SD_CMD16_SET_BLOCKLEN, SD_BLOCK_SIZE, 0xFF, SdSpiCmdAnswerTypeR1);
|
|
sd_spi_deselect_card_and_purge();
|
|
|
|
if(response.r1 != SdSpi_R1_NO_ERROR) {
|
|
return FuriStatusError;
|
|
}
|
|
|
|
if(!sd_high_capacity) {
|
|
block_address = address * SD_BLOCK_SIZE;
|
|
}
|
|
|
|
while(blocks--) {
|
|
// CMD24 (WRITE_SINGLE_BLOCK): R1 response (0x00: no errors)
|
|
response = sd_spi_send_cmd(
|
|
SD_CMD24_WRITE_SINGLE_BLOCK, block_address, 0xFF, SdSpiCmdAnswerTypeR1);
|
|
if(response.r1 != SdSpi_R1_NO_ERROR) {
|
|
sd_spi_deselect_card_and_purge();
|
|
return FuriStatusError;
|
|
}
|
|
|
|
// Send dummy byte for NWR timing : one byte between CMD_WRITE and TOKEN
|
|
// TODO FL-3509: check bytes count
|
|
sd_spi_write_byte(SD_DUMMY_BYTE);
|
|
sd_spi_write_byte(SD_DUMMY_BYTE);
|
|
|
|
// Send the data start token
|
|
sd_spi_write_byte(SD_TOKEN_START_DATA_SINGLE_BLOCK_WRITE);
|
|
sd_spi_write_bytes_dma((uint8_t*)data + offset, SD_BLOCK_SIZE);
|
|
sd_spi_purge_crc();
|
|
|
|
// Read data response
|
|
SdSpiDataResponce data_responce = sd_spi_get_data_response(timeout_ms);
|
|
sd_spi_deselect_card_and_purge();
|
|
|
|
if(data_responce != SdSpiDataResponceOK) {
|
|
return FuriStatusError;
|
|
}
|
|
|
|
// increase offset
|
|
offset += SD_BLOCK_SIZE;
|
|
|
|
// increase block address
|
|
if(sd_high_capacity) {
|
|
block_address += 1;
|
|
} else {
|
|
block_address += SD_BLOCK_SIZE;
|
|
}
|
|
}
|
|
|
|
return FuriStatusOk;
|
|
}
|
|
|
|
static FuriStatus sd_spi_get_card_state(void) {
|
|
SdSpiCmdAnswer response;
|
|
|
|
// Send CMD13 (SEND_STATUS) to get SD status
|
|
response = sd_spi_send_cmd(SD_CMD13_SEND_STATUS, 0, 0xFF, SdSpiCmdAnswerTypeR2);
|
|
sd_spi_deselect_card_and_purge();
|
|
|
|
// Return status OK if response is valid
|
|
if((response.r1 == SdSpi_R1_NO_ERROR) && (response.r2 == SdSpi_R2_NO_ERROR)) {
|
|
return FuriStatusOk;
|
|
}
|
|
|
|
return FuriStatusError;
|
|
}
|
|
|
|
static inline bool sd_cache_get(uint32_t address, uint32_t* data) {
|
|
uint8_t* cached_data = sector_cache_get(address);
|
|
if(cached_data) {
|
|
memcpy(data, cached_data, SD_BLOCK_SIZE);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static inline void sd_cache_put(uint32_t address, uint32_t* data) {
|
|
sector_cache_put(address, (uint8_t*)data);
|
|
}
|
|
|
|
static inline void sd_cache_invalidate_range(uint32_t start_sector, uint32_t end_sector) {
|
|
sector_cache_invalidate_range(start_sector, end_sector);
|
|
}
|
|
|
|
static inline void sd_cache_invalidate_all() {
|
|
sector_cache_init();
|
|
}
|
|
|
|
static FuriStatus sd_device_read(uint32_t* buff, uint32_t sector, uint32_t count) {
|
|
FuriStatus status = FuriStatusError;
|
|
|
|
furi_hal_spi_acquire(&furi_hal_spi_bus_handle_sd_fast);
|
|
furi_hal_sd_spi_handle = &furi_hal_spi_bus_handle_sd_fast;
|
|
|
|
if(sd_spi_cmd_read_blocks(buff, sector, count, SD_TIMEOUT_MS) == FuriStatusOk) {
|
|
FuriHalCortexTimer timer = furi_hal_cortex_timer_get(SD_TIMEOUT_MS * 1000);
|
|
|
|
/* wait until the read operation is finished */
|
|
do {
|
|
status = sd_spi_get_card_state();
|
|
|
|
if(furi_hal_cortex_timer_is_expired(timer)) {
|
|
status = FuriStatusErrorTimeout;
|
|
break;
|
|
}
|
|
} while(status != FuriStatusOk);
|
|
}
|
|
|
|
furi_hal_sd_spi_handle = NULL;
|
|
furi_hal_spi_release(&furi_hal_spi_bus_handle_sd_fast);
|
|
|
|
return status;
|
|
}
|
|
|
|
static FuriStatus sd_device_write(const uint32_t* buff, uint32_t sector, uint32_t count) {
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FuriStatus status = FuriStatusError;
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furi_hal_spi_acquire(&furi_hal_spi_bus_handle_sd_fast);
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furi_hal_sd_spi_handle = &furi_hal_spi_bus_handle_sd_fast;
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if(sd_spi_cmd_write_blocks(buff, sector, count, SD_TIMEOUT_MS) == FuriStatusOk) {
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FuriHalCortexTimer timer = furi_hal_cortex_timer_get(SD_TIMEOUT_MS * 1000);
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|
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/* wait until the Write operation is finished */
|
|
do {
|
|
status = sd_spi_get_card_state();
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|
|
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if(furi_hal_cortex_timer_is_expired(timer)) {
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|
sd_cache_invalidate_all();
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|
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|
status = FuriStatusErrorTimeout;
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|
break;
|
|
}
|
|
} while(status != FuriStatusOk);
|
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}
|
|
|
|
furi_hal_sd_spi_handle = NULL;
|
|
furi_hal_spi_release(&furi_hal_spi_bus_handle_sd_fast);
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|
|
|
return status;
|
|
}
|
|
|
|
void furi_hal_sd_presence_init(void) {
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// low speed input with pullup
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furi_hal_gpio_init(&gpio_sdcard_cd, GpioModeInput, GpioPullUp, GpioSpeedLow);
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}
|
|
|
|
static void furi_hal_sd_present_pin_set_low(void) {
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|
// low speed input with pullup
|
|
furi_hal_gpio_init_simple(&gpio_sdcard_cd, GpioModeOutputOpenDrain);
|
|
furi_hal_gpio_write(&gpio_sdcard_cd, 0);
|
|
}
|
|
|
|
bool furi_hal_sd_is_present(void) {
|
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bool result = !furi_hal_gpio_read(&gpio_sdcard_cd);
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return result;
|
|
}
|
|
|
|
uint8_t furi_hal_sd_max_mount_retry_count() {
|
|
return 10;
|
|
}
|
|
|
|
FuriStatus furi_hal_sd_init(bool power_reset) {
|
|
// Slow speed init
|
|
furi_hal_spi_acquire(&furi_hal_spi_bus_handle_sd_slow);
|
|
furi_hal_sd_spi_handle = &furi_hal_spi_bus_handle_sd_slow;
|
|
|
|
// We reset card in spi_lock context, so it is safe to disturb spi bus
|
|
if(power_reset) {
|
|
sd_spi_debug("Power reset");
|
|
|
|
// disable power and set low on all bus pins
|
|
furi_hal_power_disable_external_3_3v();
|
|
sd_spi_bus_to_ground();
|
|
furi_hal_sd_present_pin_set_low();
|
|
furi_delay_ms(250);
|
|
|
|
// reinit bus and enable power
|
|
sd_spi_bus_rise_up();
|
|
furi_hal_sd_presence_init();
|
|
furi_hal_power_enable_external_3_3v();
|
|
furi_delay_ms(100);
|
|
}
|
|
|
|
FuriStatus status = FuriStatusError;
|
|
|
|
// Send 80 dummy clocks with CS high
|
|
sd_spi_deselect_card();
|
|
for(uint8_t i = 0; i < 80; i++) {
|
|
sd_spi_write_byte(SD_DUMMY_BYTE);
|
|
}
|
|
|
|
for(uint8_t i = 0; i < 128; i++) {
|
|
status = sd_spi_init_spi_mode();
|
|
if(status == FuriStatusOk) {
|
|
// SD initialized and init to SPI mode properly
|
|
sd_spi_debug("SD init OK after %d retries", i);
|
|
break;
|
|
}
|
|
}
|
|
|
|
furi_hal_sd_spi_handle = NULL;
|
|
furi_hal_spi_release(&furi_hal_spi_bus_handle_sd_slow);
|
|
|
|
// Init sector cache
|
|
sector_cache_init();
|
|
|
|
return status;
|
|
}
|
|
|
|
FuriStatus furi_hal_sd_get_card_state(void) {
|
|
furi_hal_spi_acquire(&furi_hal_spi_bus_handle_sd_fast);
|
|
furi_hal_sd_spi_handle = &furi_hal_spi_bus_handle_sd_fast;
|
|
|
|
FuriStatus status = sd_spi_get_card_state();
|
|
|
|
furi_hal_sd_spi_handle = NULL;
|
|
furi_hal_spi_release(&furi_hal_spi_bus_handle_sd_fast);
|
|
|
|
return status;
|
|
}
|
|
|
|
FuriStatus furi_hal_sd_read_blocks(uint32_t* buff, uint32_t sector, uint32_t count) {
|
|
FuriStatus status;
|
|
bool single_sector = count == 1;
|
|
|
|
if(single_sector) {
|
|
if(sd_cache_get(sector, buff)) {
|
|
return FuriStatusOk;
|
|
}
|
|
}
|
|
|
|
status = sd_device_read(buff, sector, count);
|
|
|
|
if(status != FuriStatusOk) {
|
|
uint8_t counter = furi_hal_sd_max_mount_retry_count();
|
|
|
|
while(status != FuriStatusOk && counter > 0 && furi_hal_sd_is_present()) {
|
|
if((counter % 2) == 0) {
|
|
// power reset sd card
|
|
status = furi_hal_sd_init(true);
|
|
} else {
|
|
status = furi_hal_sd_init(false);
|
|
}
|
|
|
|
if(status == FuriStatusOk) {
|
|
status = sd_device_read(buff, sector, count);
|
|
}
|
|
counter--;
|
|
}
|
|
}
|
|
|
|
if(single_sector && status == FuriStatusOk) {
|
|
sd_cache_put(sector, buff);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
FuriStatus furi_hal_sd_write_blocks(const uint32_t* buff, uint32_t sector, uint32_t count) {
|
|
FuriStatus status;
|
|
|
|
sd_cache_invalidate_range(sector, sector + count);
|
|
|
|
status = sd_device_write(buff, sector, count);
|
|
|
|
if(status != FuriStatusOk) {
|
|
uint8_t counter = furi_hal_sd_max_mount_retry_count();
|
|
|
|
while(status != FuriStatusOk && counter > 0 && furi_hal_sd_is_present()) {
|
|
if((counter % 2) == 0) {
|
|
// power reset sd card
|
|
status = furi_hal_sd_init(true);
|
|
} else {
|
|
status = furi_hal_sd_init(false);
|
|
}
|
|
|
|
if(status == FuriStatusOk) {
|
|
status = sd_device_write(buff, sector, count);
|
|
}
|
|
counter--;
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
FuriStatus furi_hal_sd_info(FuriHalSdInfo* info) {
|
|
FuriStatus status;
|
|
SD_CSD csd;
|
|
SD_CID cid;
|
|
|
|
furi_hal_spi_acquire(&furi_hal_spi_bus_handle_sd_fast);
|
|
furi_hal_sd_spi_handle = &furi_hal_spi_bus_handle_sd_fast;
|
|
|
|
do {
|
|
status = sd_spi_get_csd(&csd);
|
|
|
|
if(status != FuriStatusOk) {
|
|
break;
|
|
}
|
|
|
|
status = sd_spi_get_cid(&cid);
|
|
|
|
if(status != FuriStatusOk) {
|
|
break;
|
|
}
|
|
|
|
if(sd_high_capacity == 1) {
|
|
info->logical_block_size = 512;
|
|
info->block_size = 512;
|
|
info->capacity = ((uint64_t)csd.version.v2.DeviceSize + 1UL) * 1024UL *
|
|
(uint64_t)info->logical_block_size;
|
|
info->logical_block_count = (info->capacity) / (info->logical_block_size);
|
|
} else {
|
|
info->capacity = (csd.version.v1.DeviceSize + 1);
|
|
info->capacity *= (1UL << (csd.version.v1.DeviceSizeMul + 2));
|
|
info->logical_block_size = 512;
|
|
info->block_size = 1UL << (csd.RdBlockLen);
|
|
info->capacity *= info->block_size;
|
|
info->logical_block_count = (info->capacity) / (info->logical_block_size);
|
|
}
|
|
|
|
info->manufacturer_id = cid.ManufacturerID;
|
|
|
|
memcpy(info->oem_id, cid.OEM_AppliID, sizeof(info->oem_id) - 1);
|
|
info->oem_id[sizeof(info->oem_id) - 1] = '\0';
|
|
|
|
memcpy(info->product_name, cid.ProdName, sizeof(info->product_name) - 1);
|
|
info->product_name[sizeof(info->product_name) - 1] = '\0';
|
|
|
|
info->product_revision_major = cid.ProdRev >> 4;
|
|
info->product_revision_minor = cid.ProdRev & 0x0F;
|
|
info->product_serial_number = cid.ProdSN;
|
|
info->manufacturing_year = 2000 + cid.ManufactYear;
|
|
info->manufacturing_month = cid.ManufactMonth;
|
|
|
|
} while(false);
|
|
|
|
furi_hal_sd_spi_handle = NULL;
|
|
furi_hal_spi_release(&furi_hal_spi_bus_handle_sd_fast);
|
|
|
|
return status;
|
|
} |