Subversion Repositories pentevo

Rev

Rev 796 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
716 lvd 1 
#ifndef SDCARD_H
2 
#define SDCARD_H
3 
 
4 
const u8 _SDNCS = 1;
5 
const u8 _SDDET = 2;
6 
const u8 _SDWP  = 4;
7 
 
8 
class TSdCard
9 
{
10 
    enum TCmd
11 
    {
12 
        CMD_INVALID = -1,
13 
        CMD0 = 0,
14 
        CMD_GO_IDLE_STATE = CMD0,
15 
        CMD1 = 1,
16 
        CMD_SEND_OP_COND = CMD1,
17 
        CMD8 = 8,
18 
        CMD_SEND_IF_COND = CMD8,
19 
        CMD9 = 9,
20 
        CMD_SEND_CSD = CMD9,
21 
        CMD10 = 10,
22 
        CMD_SEND_CID = CMD10,
23 
        CMD12 = 12,
24 
        CMD_STOP_TRANSMISSION = CMD12,
25 
        CMD16 = 16,
26 
        CMD_SET_BLOCKLEN = CMD16,
27 
        CMD17 = 17,
28 
        CMD_READ_SINGLE_BLOCK = CMD17,
29 
        CMD18 = 18,
30 
        CMD_READ_MULTIPLE_BLOCK = CMD18,
31 
        CMD24 = 24,
32 
        CMD_WRITE_BLOCK = CMD24,
33 
        CMD25 = 25,
34 
        CMD_WRITE_MULTIPLE_BLOCK = CMD25,
35 
        CMD55 = 55,
36 
        CMD_APP_CMD = CMD55,
37 
        CMD58 = 58,
38 
        CMD_READ_OCR = CMD58,
39 
        CMD59 = 59,
40 
        CMD_CRC_ON_OFF = CMD59,
41 
        ACMD23 = 23,
42 
        CMD_SET_WR_BLK_ERASE_COUNT = ACMD23,
43 
        ACMD41 = 41,
44 
        CMD_SD_SEND_OP_COND = ACMD41
45 
    };
46 
    enum TState
47 
    {
48 
        ST_IDLE, ST_RD_ARG, ST_RD_CRC, ST_R1, ST_R1b, ST_R2, ST_R3, ST_R7,
49 
        ST_WR_DATA_SIG, ST_WR_DATA, ST_WR_CRC16_1, ST_WR_CRC16_2,
50 
        ST_RD_DATA_SIG, ST_RD_DATA, ST_RD_DATA_MUL, ST_RD_CRC16_1, ST_RD_CRC16_2,
51 
        ST_WR_DATA_RESP, ST_RD_DATA_SIG_MUL
52 
    };
53 
    enum TDataStatus
54 
    {
55 
        STAT_DATA_ACCEPTED = 2, STAT_DATA_CRC_ERR = 5, STAT_DATA_WR_ERR = 6
56 
    };
57 
    TState CurrState;
58 
 
59 
#pragma pack(push, 1)
60 
    union
61 
    {
62 
        u8 ArgArr[4];
63 
        u32 Arg;
64 
    };
65 
#pragma pack(pop)
66 
 
67 
    u32 ArgCnt;
68 
 
69 
#pragma pack(push, 1)
70 
    union
71 
    {
72 
        u8 OcrArr[4];
73 
        u32 Ocr;
74 
    };
75 
#pragma pack(pop)
76 
 
77 
    u32 OcrCnt;
78 
 
79 
    u8 Cid[16];
80 
    u8 Csd[16];
81 
 
82 
    u32 CidCnt;
83 
    u32 CsdCnt;
84 
 
85 
    bool AppCmd;
86 
    TCmd Cmd;
87 
    u32 DataBlockLen;
88 
    u32 DataCnt;
89 
 
90 
    u8 Buf[512];
91 
 
92 
    FILE *Image;
93 
    u32 ImageSize; // ������ SD ����� � 512�� ������ - 1
94 
public:
796 DimkaM 95 
    TSdCard() { Image = nullptr; ImageSize = 0; Reset(); }
716 lvd 96 
    void Reset();
97 
    void Open(const char *Name);
98 
    void Close();
99 
    void Wr(u8 Val);
100 
    u8 Rd();
101 
private:
102 
    TState GetRespondType();
103 
    void UpdateCsdImageSize();
104 
};
105 
extern TSdCard SdCard;
106 
#endif