detect.c

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/*
 *      This program is free software; you can redistribute it and/or
 *      modify it under the terms of the GNU General Public License
 *      as published by the Free Software Foundation; either version
 *      2 of the License, or (at your option) any later version.
 *
 *  Copyright 1999-2005 Michael Klein <michael(dot)klein(at)puffin(dot)lb(dot)shuttle(dot)de>
 *  Copyright 2001-2005 Spiro Trikaliotis
 *
*/

#define DBG_USERMODE

#define DBG_PROGNAME "OPENCBM.DLL"

#include "debug.h"

#include <stdlib.h>

#define DLL
#include "opencbm.h"
#include "archlib.h"


int CBMAPIDECL 
cbm_identify(CBM_FILE HandleDevice, __u_char DeviceAddress,
             enum cbm_device_type_e *CbmDeviceType, 
             const char **CbmDeviceString)
{
    enum cbm_device_type_e deviceType = cbm_dt_unknown;
    unsigned short magic;
    unsigned char buf[3];
    const char command[] = { 'M', '-', 'R', (char) 0x40, (char) 0xff, (char) 0x02 };
    char *deviceString = "*unknown*";
    int rv = -1;

    FUNC_ENTER();

    if (cbm_exec_command(HandleDevice, DeviceAddress, command, sizeof(command)) == 0 
        && cbmarch_talk(HandleDevice, DeviceAddress, 15) == 0)
    {
        if (cbmarch_raw_read(HandleDevice, buf, 3) == 3)
        {
            magic = buf[0] | (buf[1] << 8);

            switch(magic)
            {
                case 0xaaaa:
                    deviceType = cbm_dt_cbm1541;
                    deviceString = "1540 or 1541"; 
                    break;

                case 0xf00f:
                    deviceType = cbm_dt_cbm1541;
                    deviceString = "1541-II";
                    break;

                case 0xcd18:
                    deviceType = cbm_dt_cbm1541;
                    deviceString = "1541C";
                    break;

                case 0x10ca:
                    deviceType = cbm_dt_cbm1541;
                    deviceString = "DolphinDOS 1541";
                    break;

                case 0x6f10:
                    deviceType = cbm_dt_cbm1541;
                    deviceString = "SpeedDOS 1541";
                    break;

                case 0x8085:
                    deviceType = cbm_dt_cbm1541;
                    deviceString = "JiffyDOS 1541";
                    break;

                case 0xaeea:
                    deviceType = cbm_dt_cbm1541;
                    deviceString = "64'er DOS 1541";
                    break;

                case 0xfed7:
                    deviceType = cbm_dt_cbm1570;
                    deviceString = "1570";
                    break;

                case 0x02ac:
                    deviceType = cbm_dt_cbm1571;
                    deviceString = "1571";
                    break;

                case 0x01ba:
                    deviceType = cbm_dt_cbm1581;
                    deviceString = "1581";
                    break;
            }
            rv = 0;
        }
        cbmarch_untalk(HandleDevice);
    }

    if(CbmDeviceType)
    {
        *CbmDeviceType = deviceType;
    }

    if(CbmDeviceString) 
    {
        *CbmDeviceString = deviceString;
    }

    FUNC_LEAVE_INT(rv);
}

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