X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;ds=sidebyside;f=bertos%2Fdrv%2Fsd.h;h=c9eff3c0926a00cb0ca40174c2cdb6d82d373c8c;hb=d9e1180df50de10641e877cd4669652394dab703;hp=9845fcb4fcb489bb6a90835ba7cb692b93a0f8ef;hpb=9c7e10e5ff169a3ffb854b8023b103c9ef886ab8;p=bertos.git

diff --git a/bertos/drv/sd.h b/bertos/drv/sd.h
index 9845fcb4..c9eff3c0 100644
--- a/bertos/drv/sd.h
+++ b/bertos/drv/sd.h
@@ -44,12 +44,67 @@
 #ifndef DRV_SD_H
 #define DRV_SD_H
 
+#include "cfg/cfg_sd.h"
+
 #include <io/kfile.h>
 #include <io/kblock.h>
 
 #include <fs/fatfs/diskio.h>
 
-#include "cfg/cfg_sd.h"
+#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;
+
+
+typedef struct SDAddr
+{
+	uint32_t rca;
+	uint32_t status;
+} SDAddr;
+
+int sd_decode_csd(SDcsd *csd, uint32_t *resp, size_t len);
+void sd_dump_csd(SDcsd *csd);
+void sd_decode_cid(SDcid *cid, uint32_t *resp, size_t len);
+void sd_dump_cid(SDcid *cid);
+void sd_send_init(void);
+void sd_go_idle(void);
+int sd_send_if_cond(void);
+int sd_send_app_op_cond(void);
+int sd_get_cid(uint32_t *resp, size_t len);
+int sd_get_csd(uint32_t *resp, size_t len);
+int sd_app_status(uint32_t *resp, size_t len);
+int sd_send_relative_addr(uint32_t *resp, size_t len);
+void sd_decode_addr(SDAddr *addr, uint32_t *resp, size_t len);
+void sd_dump_addr(SDAddr *addr);
+#endif
+
+
+#define SD_UNBUFFERED     BV(0) ///< Open SD memory disabling page caching, no modification and partial write are allowed.
 
 /**
  * SD Card context structure.
@@ -80,6 +135,8 @@ bool sd_initBuf(Sd *sd, KFile *ch);
 	 *
 	 * \note This API is deprecated, disable CONFIG_SD_OLD_INIT and
 	 *       use the new one instead.
+	 *
+	 * \see CONFIG_SD_OLD_INIT.
 	 */
 	#define sd_init(ch) {static struct Sd sd; sd_initUnbuf(&sd, (ch));}
 
@@ -97,7 +154,7 @@ bool sd_initBuf(Sd *sd, KFile *ch);
 	 *
 	 * \return true if initialization succeds, false otherwise.
 	 */
-	#define sd_init(sd, ch, buffered) ((buffered) ? sd_initBuf((sd), (ch)) : sd_initUnbuf((sd), (ch)))
+	#define sd_init(sd, ch, buffered) ((buffered & SD_UNBUFFERED) ? sd_initUnbuf((sd), (ch)) : sd_initBuf((sd), (ch)))
 
 #endif
 
@@ -113,5 +170,4 @@ INLINE Sd *SD_CAST(KBlock *b)
 	return (Sd *)b;
 }
 
-
 #endif /* DRV_SD_H */