libffado/src/bebob/bebob_dl_bcd.h

   1 /*
   2  * Copyright (C) 2005-2008 by Daniel Wagner
   3  *
   4  * This file is part of FFADO
   5  * FFADO = Free Firewire (pro-)audio drivers for linux
   6  *
   7  * FFADO is based upon FreeBoB
   8  *
   9  * This program is free software: you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation, either version 2 of the License, or
  12  * (at your option) version 3 of the License.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21  *
  22  */
  23
  24 #ifndef BEBOB_DL_BCD_H
  25 #define BEBOB_DL_BCD_H
  26
  27 #include "fbtypes.h"
  28
  29 #include "debugmodule/debugmodule.h"
  30
  31 #include <string>
  32 #include <cstdio>
  33
  34 namespace BeBoB {
  35
  36     class BCD {
  37     public:
  38         BCD( std::string filename );
  39         ~BCD();
  40
  41         bool parse();
  42
  43         fb_octlet_t getSoftwareDate() const
  44             { return m_softwareDate; }
  45         fb_octlet_t getSoftwareTime() const
  46             { return m_softwareTime; }
  47         fb_quadlet_t getSoftwareId() const
  48             { return m_softwareId; }
  49         fb_quadlet_t getSoftwareVersion() const
  50             { return m_softwareVersion; }
  51     fb_quadlet_t getHardwareId() const
  52         { return m_hardwareId; }
  53     fb_quadlet_t getVendorOUI() const
  54         { return m_vendorOUI; }
  55
  56         fb_quadlet_t getImageBaseAddress() const
  57             { return m_imageBaseAddress; }
  58         fb_quadlet_t getImageOffset() const
  59             { return m_imageOffset; }
  60         fb_quadlet_t getImageLength() const
  61             { return m_imageLength; }
  62         fb_quadlet_t getImageCRC() const
  63             { return m_imageCRC; }
  64
  65     fb_quadlet_t getCnEOffset() const
  66         { return m_cneOffset; }
  67         fb_quadlet_t getCnELength() const
  68             { return m_cneLength; }
  69     fb_quadlet_t getCnECRC() const
  70         { return m_cneCRC; }
  71
  72         bool read( int addr, fb_quadlet_t* q );
  73         bool read( int addr, fb_octlet_t* o );
  74     bool read( int addr, unsigned char* b, size_t len );
  75
  76     void displayInfo();
  77
  78     protected:
  79         unsigned long crc32_table[256];
  80     void initCRC32Table();
  81     unsigned long reflect(unsigned long ref, char ch);
  82     unsigned int getCRC(unsigned char* text, size_t len);
  83         bool checkHeaderCRC( unsigned int crcOffset,
  84                              unsigned int headerSize );
  85         bool readHeaderInfo();
  86     protected:
  87         std::FILE* m_file;
  88         std::string m_filename;
  89         fb_quadlet_t m_bcd_version;
  90
  91         fb_octlet_t  m_softwareDate;
  92         fb_octlet_t  m_softwareTime;
  93         fb_quadlet_t m_softwareId;
  94         fb_quadlet_t m_softwareVersion;
  95     fb_quadlet_t m_hardwareId;
  96     fb_quadlet_t m_vendorOUI;
  97
  98
  99         fb_quadlet_t m_imageBaseAddress;
 100         fb_quadlet_t m_imageLength;
 101         fb_quadlet_t m_imageOffset;
 102         fb_quadlet_t m_imageCRC;
 103
 104         fb_quadlet_t m_cneLength;
 105     fb_quadlet_t m_cneOffset;
 106     fb_quadlet_t m_cneCRC;
 107
 108
 109
 110     DECLARE_DEBUG_MODULE;
 111     };
 112
 113     std::string makeString( fb_octlet_t v );
 114     std::string makeDate( fb_octlet_t v );
 115     std::string makeTime( fb_octlet_t v );
 116 };
 117
 118 #endif