45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
#ifndef __SD_CARD_H__
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#define __SD_CARD_H__
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#define SD_BLOCK_SIZE 512
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#define SD_OK 0
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#define SD_ERROR 1
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#define SD_TYPE_ERR 0X00
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#define SD_TYPE_MMC 0X01
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#define SD_TYPE_V1 0X02
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#define SD_TYPE_V2 0X04
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#define SD_TYPE_V2HC 0X06
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#define CMD0 (0) /* GO_IDLE_STATE */
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#define CMD1 (1) /* SEND_OP_COND (MMC) */
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#define ACMD41 (0x80 + 41) /* SEND_OP_COND (SDC) */
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#define CMD8 (8) /* SEND_IF_COND */
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#define CMD9 (9) /* SEND_CSD */
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#define CMD10 (10) /* SEND_CID */
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#define CMD12 (12) /* STOP_TRANSMISSION */
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#define ACMD13 (0x80 + 13) /* SD_STATUS (SDC) */
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#define CMD16 (16) /* SET_BLOCKLEN */
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#define CMD17 (17) /* READ_SINGLE_BLOCK */
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#define CMD18 (18) /* READ_MULTIPLE_BLOCK */
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#define CMD23 (23) /* SET_BLOCK_COUNT (MMC) */
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#define ACMD23 (0x80 + 23) /* SET_WR_BLK_ERASE_COUNT (SDC) */
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#define CMD24 (24) /* WRITE_BLOCK */
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#define CMD25 (25) /* WRITE_MULTIPLE_BLOCK */
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#define CMD32 (32) /* ERASE_ER_BLK_START */
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#define CMD33 (33) /* ERASE_ER_BLK_END */
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#define CMD38 (38) /* ERASE */
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#define CMD55 (55) /* APP_CMD */
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#define CMD58 (58) /* READ_OCR */
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uint8_t sdInit(void);
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uint8_t sdGetCid(uint8_t *cid_data);
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uint8_t sdReadDisk(uint8_t *pbuf, uint32_t saddr, uint32_t cnt);
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uint8_t sdWriteDisk(uint8_t *pbuf, uint32_t saddr, uint32_t cnt);
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uint32_t sdGetBlockCount(void);
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#endif
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