* \author Francesco Sacchi <batt@develer.com>
*
* $WIZ$ module_name = "sd"
- * $WIZ$ module_depends = "kfile", "timer", "kblock"
+ * $WIZ$ module_depends = "kfile", "timer", "kblock", "sd_spi"
* $WIZ$ module_hw = "bertos/hw/hw_sd.h"
* $WIZ$ module_configuration = "bertos/cfg/cfg_sd.h"
*/
#include <fs/fatfs/diskio.h>
-#if CPU_CM3_SAM3X8
-
-typedef struct SDcid
+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 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
+ 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 max_data_rate; ///< Step rate, usec
- uint32_t blk_len; ///< Block data size len in byte
- uint32_t blk_num; ///< Number of block in card
+ uint32_t block_len; ///< Block data size len in byte
+ uint32_t block_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;
+ uint8_t read_partial:1,
+ read_misalign:1,
+ write_partial:1,
+ write_misalign:1;
+} SdCSD;
-typedef struct SDssr
+typedef struct SdSSR
{
uint8_t bus_width;
uint8_t card_type;
uint8_t speed_class;
uint8_t au_size;
uint8_t erase_size;
-} SDssr;
-
-
-#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)
+} SdSSR;
-#endif
+#define SD_START_DELAY 10
+#define SD_INIT_TIMEOUT ms_to_ticks(2000)
+#define SD_IDLE_RETRIES 4
+#define SD_DEFAULT_BLOCKLEN 512
+/**
+ * $WIZ$ sd_mode = "SD_SDMMC_MODE", "SD_SPI_MODE"
+ * \{
+ */
+#define SD_SDMMC_MODE 0
+#define SD_SPI_MODE 1
+/** \} */
#define SD_UNBUFFERED BV(0) ///< Open SD memory disabling page caching, no modification and partial write are allowed.
+struct SdHardware* hw;
/**
* SD Card context structure.
*/
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;
- SDssr ssr;
+ struct SdHardware* hw;
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_dumpSsr(Sd *sd);
-
-void sd_sendInit(void);
-void sd_goIdle(void);
-int sd_sendIfCond(void);
-int sd_sendAppOpCond(void);
+bool sd_hw_initUnbuf(Sd *sd, KFile *ch);
+bool sd_hw_initBuf(Sd *sd, KFile *ch);
-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_getStatus(Sd *sd, uint32_t *buf, size_t words);
-
-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);
-void sd_setHightSpeed(Sd *sd);
-int sd_readSingleBlock(Sd *sd, size_t index, uint32_t *buf, size_t words);
-
-
-INLINE int sd_setBus4bit(Sd *sd)
-{
- return sd_setBusWidth(sd, 4);
-}
-
-INLINE int sd_setBus1bit(Sd *sd)
-{
- return sd_setBusWidth(sd, 1);
-}
+bool sd_spi_initUnbuf(Sd *sd, KFile *ch);
+bool sd_spi_initBuf(Sd *sd, KFile *ch);
+// For old compatibility.
+#ifndef CONFIG_SD_MODE
+ #define CONFIG_SD_MODE SD_SPI_MODE
+ #define SD_INCLUDE_SPI_SOURCE
#endif
-
#if CONFIG_SD_OLD_INIT
+
#if !(ARCH & ARCH_NIGHTTEST)
#warning "Deprecated: this API will be removed in the next major release,"
#warning "please disable CONFIG_SD_OLD_INIT and pass explicitly the SD context to sd_init()."
*
* \see CONFIG_SD_OLD_INIT.
*/
- #define sd_init(ch) {static struct Sd sd; sd_initUnbuf(&sd, (ch));}
+ #if CONFIG_SD_MODE == SD_SPI_MODE
+ #define sd_init(ch) {static struct Sd sd; sd_spi_initUnbuf(&sd, (ch));}
+ #else
+ #define sd_init(ch) {static struct Sd sd; sd_hw_initUnbuf(&sd, (ch));}
+ #endif
#else
*
* \return true if initialization succeds, false otherwise.
*/
- #define sd_init(sd, ch, buffered) ((buffered & SD_UNBUFFERED) ? sd_initUnbuf((sd), (ch)) : sd_initBuf((sd), (ch)))
+ #if CONFIG_SD_MODE == SD_SPI_MODE
+ #define sd_init(sd, ch, buffered) ((buffered & SD_UNBUFFERED) ? sd_spi_initUnbuf((sd), (ch)) : sd_spi_initBuf((sd), (ch)))
+ #else
+ #define sd_init(sd, ch, buffered) ((buffered & SD_UNBUFFERED) ? sd_hw_initUnbuf((sd), (ch)) : sd_hw_initBuf((sd), (ch)))
+ #endif
#endif
projects / bertos.git / blobdiff