mirror of
https://github.com/fhgwright/SCSI2SD.git
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95 lines
2.3 KiB
C
Executable File
95 lines
2.3 KiB
C
Executable File
// Copyright (C) 2013 Michael McMaster <michael@codesrc.com>
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//
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// This file is part of SCSI2SD.
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//
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// SCSI2SD is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// SCSI2SD is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with SCSI2SD. If not, see <http://www.gnu.org/licenses/>.
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#ifndef SD_H
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#define SD_H
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#include "storedevice.h"
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#define SD_SECTOR_SIZE 512
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typedef enum
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{
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SD_GO_IDLE_STATE = 0,
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SD_SEND_OP_COND = 1,
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SD_SEND_IF_COND = 8, // SD V2
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SD_SEND_CSD = 9,
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SD_SEND_CID = 10,
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SD_STOP_TRANSMISSION = 12,
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SD_SEND_STATUS = 13,
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SD_SET_BLOCKLEN = 16,
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SD_READ_SINGLE_BLOCK = 17,
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SD_READ_MULTIPLE_BLOCK = 18,
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SD_APP_SET_WR_BLK_ERASE_COUNT = 23,
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SD_WRITE_MULTIPLE_BLOCK = 25,
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SD_APP_SEND_OP_COND = 41,
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SD_APP_CMD = 55,
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SD_READ_OCR = 58,
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SD_CRC_ON_OFF = 59
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} SD_CMD;
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typedef enum
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{
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SD_R1_IDLE = 1,
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SD_R1_ERASE_RESET = 2,
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SD_R1_ILLEGAL = 4,
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SD_R1_CRC = 8,
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SD_R1_ERASE_SEQ = 0x10,
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SD_R1_ADDRESS = 0x20,
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SD_R1_PARAMETER = 0x40
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} SD_R1;
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typedef struct
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{
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S2S_Device dev;
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S2S_Target targets[MAX_SCSI_TARGETS];
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int version; // SDHC = version 2.
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int ccs; // Card Capacity Status. 1 = SDHC or SDXC
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uint32_t capacity; // in 512 byte blocks
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uint8_t csd[16]; // Unparsed CSD
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uint8_t cid[16]; // Unparsed CID
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uint32_t lastPollMediaTime;
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} SdCard;
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extern SdCard sdCard;
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extern S2S_Device* sdDevice;
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extern volatile uint8_t sdRxDMAComplete;
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extern volatile uint8_t sdTxDMAComplete;
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int sdInit(void);
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#define sdDMABusy() (!(sdRxDMAComplete && sdTxDMAComplete))
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void sdWriteMultiSectorPrep(uint32_t sdLBA, uint32_t sdSectors);
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void sdWriteMultiSectorDMA(uint8_t* outputBuffer);
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int sdWriteSectorDMAPoll();
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void sdReadMultiSectorPrep(uint32_t sdLBA, uint32_t sdSectors);
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void sdReadMultiSectorDMA(uint8_t* outputBuffer);
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void sdReadSingleSectorDMA(uint32_t lba, uint8_t* outputBuffer);
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int sdReadSectorDMAPoll();
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void sdCompleteTransfer(void);
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void sdCheckPresent();
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void sdPoll();
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#endif
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