X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fdrv%2Fsd.h;h=d706038beed1ac31830f3c3128608917ec1bd0ab;hb=53716ae692a6352c1b230a568f4dbb2a779bda85;hp=df12bb6e7a0639a2cdd05bdff6cf7513f862307c;hpb=bc0c747f26c9030ff3ebb80f5d2db330df5eac56;p=bertos.git diff --git a/bertos/drv/sd.h b/bertos/drv/sd.h index df12bb6e..d706038b 100644 --- a/bertos/drv/sd.h +++ b/bertos/drv/sd.h @@ -51,6 +51,44 @@ #include +#if CPU_CM3_SAM3X8 + +typedef struct SDcid +{ + uint8_t manfid; + uint8_t prod_name[8]; + uint32_t serial; + uint16_t oemid; + uint32_t year_off; + uint8_t m_rev; + uint8_t l_rev; +}SDcid; + +typedef struct SDcsd +{ + uint8_t structure; + uint8_t ccc; ///< Card command classes + uint32_t erase_size; ///< The size of an erasable sector, in write block len + uint32_t capacity; ///< Card size in byte + uint32_t blk_len; ///< Block data size len in byte + uint32_t blk_num; ///< Number of block in card + uint32_t write_blk_bits; ///< Max write block length in bits + uint32_t read_blk_bits; ///< Max read block length in bits + uint8_t read_partial:1, + read_misalign:1, + write_partial:1, + write_misalign:1; +} SDcsd; + + +#define SD_READY_FOR_DATA BV(8) +#define SD_CARD_IS_LOCKED BV(25) + +#define SD_SEND_CID_RCA 0 +#define SD_SEND_ALL_CID BV(0) + +#endif + #define SD_UNBUFFERED BV(0) ///< Open SD memory disabling page caching, no modification and partial write are allowed. @@ -59,15 +97,63 @@ */ typedef struct Sd { + KBlock b; ///< KBlock base class KFile *ch; ///< SPI communication channel uint16_t r1; ///< Last status data received from SD uint16_t tranfer_len; ///< Lenght for the read/write commands, cached in order to increase speed. + + #if CPU_CM3_SAM3X8 + SDcid cid; + SDcsd csd; + uint32_t addr; + uint32_t status; + #endif + } Sd; bool sd_initUnbuf(Sd *sd, KFile *ch); bool sd_initBuf(Sd *sd, KFile *ch); + +#if CPU_CM3_SAM3X8 + +void sd_dumpCsd(Sd *sd); +void sd_dumpCid(Sd *sd); + +void sd_sendInit(void); +void sd_goIdle(void); +int sd_sendIfCond(void); +int sd_sendAppOpCond(void); + +int sd_getCid(Sd *sd, uint32_t addr, uint8_t flag); +int sd_getCsd(Sd *sd); +int sd_getSrc(Sd *sd); + +int sd_appStatus(Sd *sd); +int sd_getRelativeAddr(Sd *sd); + +int sd_selectCard(Sd *sd); +int sd_deSelectCard(Sd *sd); +int sd_setBusWidth(Sd *sd, size_t len); +int sd_set_BlockLen(Sd *sd, size_t len); + +int sd_readSingleBlock(Sd *sd, size_t index, void *_buf, size_t len); + + +INLINE int sd_setBus4bit(Sd *sd) +{ + return sd_setBusWidth(sd, 1); +} + +INLINE int sd_setBus1bit(Sd *sd) +{ + return sd_setBusWidth(sd, 0); +} + +#endif + + #if CONFIG_SD_OLD_INIT #if !(ARCH & ARCH_NIGHTTEST) #warning "Deprecated: this API will be removed in the next major release," @@ -118,5 +204,5 @@ INLINE Sd *SD_CAST(KBlock *b) return (Sd *)b; } - #endif /* DRV_SD_H */ +