bsp_SD bsp_SD.h SPI_HandleTypeDef * SPI_HandleTypeDef* bsp_SD::hspi hspi bsp_SD::hspi bsp_SD spi_readwrite SPI_setspeed GPIO_TypeDef * GPIO_TypeDef* bsp_SD::GPIOx_CS GPIOx_CS bsp_SD::GPIOx_CS bsp_SD SD_CS uint16_t uint16_t bsp_SD::GPIO_Pin_CS GPIO_Pin_CS bsp_SD::GPIO_Pin_CS bsp_SD SD_CS u8 u8 bsp_SD::DFF DFF bsp_SD::DFF bsp_SD SD_init SD_sendcmd u8 u8 bsp_SD::SD_TYPE SD_TYPE bsp_SD::SD_TYPE bsp_SD SD_init SD_ReadDisk SD_WriteDisk MSD_CARDINFO MSD_CARDINFO bsp_SD::SD0_CardInfo SD0_CardInfo bsp_SD::SD0_CardInfo MSD0_GetCardInfo bsp_SD::bsp_SD (SPI_HandleTypeDef *hspi, GPIO_TypeDef *GPIOx_CS, uint16_t GPIO_Pin_CS) bsp_SD bsp_SD::bsp_SD SPI_HandleTypeDef * hspi GPIO_TypeDef * GPIOx_CS uint16_t GPIO_Pin_CS DFF GPIO_Pin_CS GPIOx_CS hspi SD_TYPE u8 u8 bsp_SD::SD_init (void) SD_init bsp_SD::SD_init void 初始化SD卡 返回值:0,ok;其他,失败. CMD0 CMD1 CMD16 CMD41 CMD55 CMD58 CMD8 DFF ERR MMC SD_CS SD_sendcmd SD_TYPE spi_readwrite SPI_setspeed V1 V2 V2HC u8 u8 bsp_SD::SD_ReadDisk (u8 *buf, u32 sector, u8 cnt) SD_ReadDisk bsp_SD::SD_ReadDisk u8 * buf u32 sector u8 cnt 读SD卡 *buf 数据缓存区 sector 起始扇区 cnt 扇区数 返回值:0,ok;其他,失败. CMD12 CMD17 CMD18 SD_CS SD_ReceiveData SD_sendcmd SD_TYPE V2HC offsetRead offsetWrite u8 u8 bsp_SD::SD_WriteDisk (u8 *buf, u32 sector, u8 cnt) SD_WriteDisk bsp_SD::SD_WriteDisk u8 * buf u32 sector u8 cnt 写SD卡 *buf 数据缓存区 sector 起始扇区 cnt 扇区数 返回值:0,ok;其他,失败. CMD23 CMD24 CMD25 CMD55 MMC SD_CS SD_SendBlock SD_sendcmd SD_TYPE V2HC offsetWrite u32 u32 bsp_SD::SD_GetSectorCount (void) SD_GetSectorCount bsp_SD::SD_GetSectorCount void 获取SD卡的总扇区数 总扇区数 SD_GETCSD u8 u8 bsp_SD::offsetWrite (u64 offset, u8 *dat, u64 datlen) offsetWrite bsp_SD::offsetWrite u64 offset u8 * dat u64 datlen 写入连贯的数据 offset 写入位置 *dat 数据缓冲区 datlen 写入长度 返回值:0,ok;其他,失败. SD_ReadDisk SD_WriteDisk u8 u8 bsp_SD::offsetRead (u64 offset, u8 *dat, u64 datlen) offsetRead bsp_SD::offsetRead u64 offset u8 * dat u64 datlen 读取连贯的数据 offset 读取位置 *dat 数据缓冲区 datlen 读取长度 返回值:0,ok;其他,失败. SD_ReadDisk void void bsp_SD::SD_CS (u8 p) SD_CS bsp_SD::SD_CS u8 p 片选信号 无 GPIO_Pin_CS GPIOx_CS SD_GETCID SD_GETCSD SD_init SD_ReadDisk SD_ReceiveData SD_sendcmd SD_WriteDisk u8 u8 bsp_SD::SD_GETCID (u8 *cid_data) SD_GETCID bsp_SD::SD_GETCID u8 * cid_data 获取CID信息 CID信息 CMD10 SD_CS SD_ReceiveData SD_sendcmd u8 u8 bsp_SD::SD_GETCSD (u8 *csd_data) SD_GETCSD bsp_SD::SD_GETCSD u8 * csd_data 获取CSD信息 CSD信息 CMD9 SD_CS SD_ReceiveData SD_sendcmd SD_GetSectorCount int int bsp_SD::MSD0_GetCardInfo (PMSD_CARDINFO SD0_CardInfo) MSD0_GetCardInfo bsp_SD::MSD0_GetCardInfo PMSD_CARDINFO SD0_CardInfo MSD_CARDINFO::BlockSize MSD_CARDINFO::Capacity MSD_CSD::CardComdClasses MSD_CARDINFO::CardType MSD_CARDINFO::CID MSD_CID::CID_CRC CMD10 CMD9 MSD_CSD::ContentProtectAppli MSD_CSD::CopyFlag MSD_CARDINFO::CSD MSD_CSD::CSD_CRC MSD_CSD::CSDStruct MSD_CSD::DeviceSize MSD_CSD::DeviceSizeMul MSD_CSD::DSRImpl MSD_CSD::ECC MSD_CSD::EraseGrMul MSD_CSD::EraseGrSize MSD_CSD::FileFormat MSD_CSD::FileFormatGrouop MSD_CSD::ManDeflECC MSD_CID::ManufactDate MSD_CID::ManufacturerID MSD_CSD::MaxBusClkFrec MSD_CSD::MaxRdCurrentVDDMax MSD_CSD::MaxRdCurrentVDDMin MSD_CSD::MaxWrBlockLen MSD_CSD::MaxWrCurrentVDDMax MSD_CSD::MaxWrCurrentVDDMin MSD_BLOCKSIZE MSD_CSD::NSAC MSD_CID::OEM_AppliID MSD_CSD::PartBlockRead MSD_CSD::PermWrProtect MSD_CID::ProdName1 MSD_CID::ProdName2 MSD_CID::ProdRev MSD_CID::ProdSN MSD_CSD::RdBlockLen MSD_CSD::RdBlockMisalign MSD_CSD::Reserved1 MSD_CID::Reserved1 MSD_CSD::Reserved2 MSD_CID::Reserved2 MSD_CSD::Reserved3 MSD_CSD::Reserved4 SD0_CardInfo SD_ReceiveData SD_sendcmd MSD_CSD::SysSpecVersion MSD_CSD::TAAC MSD_CSD::TempWrProtect V2HC MSD_CSD::WrBlockMisalign MSD_CSD::WriteBlockPaPartial MSD_CSD::WrProtectGrEnable MSD_CSD::WrProtectGrSize MSD_CSD::WrSpeedFact u8 u8 bsp_SD::SD_ReceiveData (u8 *data, u16 len) SD_ReceiveData bsp_SD::SD_ReceiveData u8 * data u16 len 读取SD卡指定长度信息 *data 数据缓存区 len 长度 返回值:0,ok;其他,失败. SD_CS spi_readwrite MSD0_GetCardInfo SD_GETCID SD_GETCSD SD_ReadDisk u8 u8 bsp_SD::SD_SendBlock (u8 *buf, u8 cmd) SD_SendBlock bsp_SD::SD_SendBlock u8 * buf u8 cmd 向SD卡写入一个扇区 *buf 数据缓存区 cmd 操作指令 返回值:0,ok;其他,失败. spi_readwrite SD_WriteDisk u32 u32 bsp_SD::SD_sendcmd (u8 cmd, u32 arg, u8 crc) SD_sendcmd bsp_SD::SD_sendcmd u8 cmd u32 arg u8 crc 写SD卡 cmd 命令 arg crc 校验码 CMD12 DFF SD_CS spi_readwrite MSD0_GetCardInfo SD_GETCID SD_GETCSD SD_init SD_ReadDisk SD_WriteDisk void void bsp_SD::SPI_setspeed (u8 speed) SPI_setspeed bsp_SD::SPI_setspeed u8 speed 设置SPI的速率 speed 速率 无 hspi SD_init u8 u8 bsp_SD::spi_readwrite (u8 Txdata) spi_readwrite bsp_SD::spi_readwrite u8 Txdata hspi SD_init SD_ReceiveData SD_SendBlock SD_sendcmd 一个操作SD卡的类 MSD_CARDINFO CSD CID MSD_CID MSD_CSD bsp_SD SD0_CardInfo bsp_SDbsp_SD bsp_SDDFF bsp_SDGPIO_Pin_CS bsp_SDGPIOx_CS bsp_SDhspi bsp_SDMSD0_GetCardInfo bsp_SDoffsetRead bsp_SDoffsetWrite bsp_SDSD0_CardInfo bsp_SDSD_CS bsp_SDSD_GETCID bsp_SDSD_GETCSD bsp_SDSD_GetSectorCount bsp_SDSD_init bsp_SDSD_ReadDisk bsp_SDSD_ReceiveData bsp_SDSD_SendBlock bsp_SDSD_sendcmd bsp_SDSD_TYPE bsp_SDSD_WriteDisk bsp_SDspi_readwrite bsp_SDSPI_setspeed