mirror of
https://github.com/mist-devel/mist-firmware.git
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30d6d40cc6
- Common code for scrolling and paging - Separate menu data from the menu engine - Dialog box functions - 6k less flash space
85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
// hdd.h
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#ifndef __HDD_H__
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#define __HDD_H__
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#include "idxfile.h"
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// defines
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#define CMD_IDECMD 0x04
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#define CMD_IDEDAT 0x08
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#define CMD_IDE_REGS_RD 0x80
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#define CMD_IDE_REGS_WR 0x90
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#define CMD_IDE_DATA_WR 0xA0
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#define CMD_IDE_DATA_RD 0xB0
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#define CMD_IDE_STATUS_WR 0xF0
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#define IDE_STATUS_END 0x80
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#define IDE_STATUS_IRQ 0x10
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#define IDE_STATUS_RDY 0x08
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#define IDE_STATUS_REQ 0x04
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#define IDE_STATUS_ERR 0x01
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#define ACMD_RECALIBRATE 0x10
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#define ACMD_DIAGNOSTIC 0x90
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#define ACMD_IDENTIFY_DEVICE 0xEC
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#define ACMD_INITIALIZE_DEVICE_PARAMETERS 0x91
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#define ACMD_READ_SECTORS 0x20
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#define ACMD_WRITE_SECTORS 0x30
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#define ACMD_READ_MULTIPLE 0xC4
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#define ACMD_WRITE_MULTIPLE 0xC5
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#define ACMD_SET_MULTIPLE_MODE 0xC6
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#define HDF_DISABLED 0
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#define HDF_FILE 1
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#define HDF_CARD 2
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#define HDF_CARDPART0 3
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#define HDF_CARDPART1 4
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#define HDF_CARDPART2 5
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#define HDF_CARDPART3 6
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#define HDF_TYPEMASK 15
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#define HDF_SYNTHRDB 128 // flag to indicate whether we should auto-synthesize a RigidDiskBlock
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#define HDF_FILETYPE_UNKNOWN 0
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#define HDF_FILETYPE_NOTFOUND 1
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#define HDF_FILETYPE_RDB 2
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#define HDF_FILETYPE_DOS 3
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#define HARDFILES 4
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// types
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typedef struct
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{
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unsigned char enabled; // 0: Disabled, 1: Hard file, 2: MMC (entire card), 3-6: Partition 1-4 of MMC card
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unsigned char present;
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char name[64];
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} hardfileTYPE;
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typedef struct
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{
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int type; // are we using a file, the entire SD card or a partition on the SD card?
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IDXFile *idxfile;
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unsigned short cylinders;
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unsigned short heads;
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unsigned short sectors;
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unsigned short sectors_per_block;
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unsigned short partition; // partition no.
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long offset; // if a partition, the lba offset of the partition. Can be negative if we've synthesized an RDB.
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} hdfTYPE;
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// variables
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extern hardfileTYPE *hardfile[HARDFILES];
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extern hdfTYPE hdf[HARDFILES];
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// functions
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void HandleHDD(unsigned char c1, unsigned char c2, unsigned char cs1ena);
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void GetHardfileGeometry(hdfTYPE *hdf);
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unsigned char OpenHardfile(unsigned char unit);
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unsigned char GetHDFFileType(const char *filename);
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#endif // __HDD_H__
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