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#pragma once

#ifndef SDCARD_H
#define SDCARD_H

const u8 _SDNCS = 1;
const u8 _SDDET = 2;
const u8 _SDWP  = 4;

class TSdCard
{
    enum TCmd
    {
        CMD_INVALID = -1,
        CMD0 = 0,
        CMD_GO_IDLE_STATE = CMD0,
        CMD1 = 1,
        CMD_SEND_OP_COND = CMD1,
        CMD8 = 8,
        CMD_SEND_IF_COND = CMD8,
        CMD9 = 9,
        CMD_SEND_CSD = CMD9,
        CMD10 = 10,
        CMD_SEND_CID = CMD10,
        CMD12 = 12,
        CMD_STOP_TRANSMISSION = CMD12,
        CMD16 = 16,
        CMD_SET_BLOCKLEN = CMD16,
        CMD17 = 17,
        CMD_READ_SINGLE_BLOCK = CMD17,
        CMD18 = 18,
        CMD_READ_MULTIPLE_BLOCK = CMD18,
        CMD24 = 24,
        CMD_WRITE_BLOCK = CMD24,
        CMD25 = 25,
        CMD_WRITE_MULTIPLE_BLOCK = CMD25,
        CMD55 = 55,
        CMD_APP_CMD = CMD55,
        CMD58 = 58,
        CMD_READ_OCR = CMD58,
        CMD59 = 59,
        CMD_CRC_ON_OFF = CMD59,
//      ACMD23 = 23,                            //íåòó â NEDOREPO
//      CMD_SET_WR_BLK_ERASE_COUNT = ACMD23,
        ACMD41 = 41,
        CMD_SD_SEND_OP_COND = ACMD41
    };
    enum TState
    {
        ST_IDLE, ST_RD_ARG, ST_RD_CRC, ST_R1, ST_R1b, ST_R2, ST_R3, ST_R7,
//      ST_WR_DATA_SIG, ST_WR_DATA, ST_WR_CRC16_1, ST_WR_CRC16_2,       //0.39.0

        ST_STARTBLOCK, ST_DELAY_S,                                      //NEDOREPO
        /* ST_WR_DATA_SIG, */ ST_WR_DATA, ST_WR_CRC16_1, ST_WR_CRC16_2,
       
        ST_RD_DATA_SIG, ST_RD_DATA, ST_RD_DATA_MUL, ST_RD_CRC16_1, ST_RD_CRC16_2,
        ST_WR_DATA_RESP, ST_RD_DATA_SIG_MUL
    };
    enum TDataStatus
    {
        STAT_DATA_ACCEPTED = 2, STAT_DATA_CRC_ERR = 5, STAT_DATA_WR_ERR = 6
    };
    TState CurrState;

#pragma pack(push, 1)
    union
    {
        u8 ArgArr[4];
        u32 Arg;
    };
#pragma pack(pop)

    u32 ArgCnt;

//#pragma pack(push, 1) //ÍÅÒ Â NEDOREPO
//    union
//    {
//      u8 OcrArr[4];
//      u32 Ocr;
//    };
//#pragma pack(pop)

    u32 OcrCnt;
   
    u32 R7_Cnt;

    u8 Cid[16];
    u8 Csd[16];

    u32 CidCnt;
    u32 CsdCnt;

    bool AppCmd;
    TCmd Cmd;
    u32 DataBlockLen;
    u32 DataCnt;

    u32 InitialCPUt;    //NEDOREPO
   
//  u8 Buf[512];        //0.39.0
    u8 Buf[4096];       //NEDOREPO
   
    FILE *Image;
    u32 ImageSize; // ðàçìåð SD êàðòû â 512Êá áëîêàõ - 1
public:
//  TSdCard() { Image = nullptr; ImageSize = 0; Reset(); }      //0.39.0
    TSdCard() { Image = nullptr; Reset(); }                     //NEDOREPO
    void Reset();
    void Open(const char *Name);
    void Close();
    void Wr(u8 Val);
    u8 Rd();
private:
    TState GetRespondType();
    void UpdateCsdImageSize();
};
extern TSdCard SdCard;
#endif