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28 lines
857 B
C
28 lines
857 B
C
#pragma once
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/// SDIO commands.
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#define SD_CMD0_GO_IDLE_STATE 0
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#define SD_CMD2_ALL_SEND_CID 2
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#define SD_CMD3_SEND_RELATIVE_ADDR 3
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#define SD_CMD7_SELECT_CARD 7
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#define SD_CMD8_SEND_IF_COND 8
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#define SD_CMD9_SEND_CSD 9
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#define SD_CMD12_STOP_TRANSMISSION 12
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#define SD_CMD13_SEND_STATUS 13
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#define SD_CMD16_SET_BLOCKLEN 16
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#define SD_CMD55_APP_CMD 55
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#define SD_SPI_CMD58_READ_OCR 58
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#define SD_ACMD6_SET_BUS_WIDTH 6
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#define SD_ACMD41_SD_SEND_OP_COND 41
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/// CMD8 check pattern.
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#define SD_IF_COND_PATTERN 0x1AA
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/// Response lengths
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#define SD_R1_RESPONSE_LENGTH_BITS 48
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#define SD_R1_RESPONSE_LENGTH_BYTES (SD_R1_RESPONSE_LENGTH_BITS / 8)
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#define SD_R2_RESPONSE_LENGTH_BITS 136
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#define SD_R2_RESPONSE_LENGTH_BYTES (SD_R2_RESPONSE_LENGTH_BITS / 8)
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