source: xtideuniversalbios/trunk/Serial_Server/library/Library.h @ 215

//======================================================================
//
// Project:     XTIDE Universal BIOS, Serial Port Server
//
// File:        library.h - Include file for users of the library
//

#ifndef LIBRARY_H_INCLUDED
#define LIBRARY_H_INCLUDED

#include "stdio.h"

void log( int level, char *message, ... );
unsigned long GetTime(void);
unsigned long GetTime_Timeout(void);

unsigned short checksum( unsigned short *wbuff, int wlen );

class Image
{
public:
    virtual int seekSector( unsigned long cyl, unsigned long sect, unsigned long head ) = 0;
    virtual int seekSector( unsigned long lba ) = 0;

    virtual int writeSector( void *buff ) = 0;
    
    virtual int readSector( void *buff ) = 0;

    Image( char *name, int p_readOnly, int p_drive );
    Image( char *name, int p_readOnly, int p_drive, int p_create, unsigned long p_lba );
    Image( char *name, int p_readOnly, int p_drive, int p_create, unsigned long p_cyl, unsigned long p_sect, unsigned long p_head );

    virtual ~Image() {};

    unsigned long cyl, sect, head;

    unsigned long totallba;
    
    char *shortFileName;
    int readOnly;
    int drive;

    static int parseGeometry( char *str, unsigned long *p_cyl, unsigned long *p_sect, unsigned long *p_head );

    void respondInquire( unsigned short *buff, struct baudRate *baudRate, unsigned char portAndBaud );

private:
    void init( char *name, int p_readOnly, int p_drive );
};

struct baudRate {
    unsigned long rate;
    unsigned char divisor;
    char *display;
};
struct baudRate *baudRateMatchString( char *str );
struct baudRate *baudRateMatchDivisor( unsigned char divisor );

class Serial
{
public:
    virtual unsigned long readCharacters( void *buff, unsigned long len ) = 0;

    virtual unsigned long writeCharacters( void *buff, unsigned long len ) = 0;

    Serial( char *name, struct baudRate *p_baudRate ) 
    {
        speedEmulation = 0;
        resetConnection = 0;
        baudRate = p_baudRate;
    };

    virtual ~Serial() {};

    int speedEmulation;
    int resetConnection;

    struct baudRate *baudRate;
};

void processRequests( Serial *serial, Image *image0, Image *image1, int timeoutEnabled, int verboseLevel );

#define ATA_COMMAND_LBA 0x40
#define ATA_COMMAND_HEADMASK 0xf

#define ATA_DriveAndHead_Drive 0x10

#endif