root/trunk/libffado/src/libavc/general/avc_unit_info.cpp

Revision 1131, 2.3 kB (checked in by ppalmers, 16 years ago)

implement endian fixes (thx Heikki Lindholm)
switch from network host order byteswap routines to size based swap routines to remove ambiguity in definition of "long"

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
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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 #include "avc_unit_info.h"
25 #include "libutil/cmd_serialize.h"
26 #include "libieee1394/ieee1394service.h"
27
28 #include <byteswap.h>
29 #include <iostream>
30
31 using namespace std;
32
33 namespace AVC {
34
35
36 UnitInfoCmd::UnitInfoCmd( Ieee1394Service& ieee1349service )
37     : AVCCommand( ieee1349service, AVC1394_CMD_UNIT_INFO )
38     , m_reserved( 0xff )
39     , m_unit_type( 0xff )
40     , m_unit( 0xff )
41     , m_company_id( 0xffffffff )
42 {
43 }
44
45 UnitInfoCmd::~UnitInfoCmd()
46 {
47 }
48
49 bool
50 UnitInfoCmd::serialize( Util::Cmd::IOSSerialize& se )
51 {
52     AVCCommand::serialize( se );
53
54     se.write( m_reserved, "UnitInfoCmd reserved" );
55     byte_t operand = ( m_unit_type << 3 ) | ( m_unit & 0x7 );
56     se.write( operand, "UnitInfoCmd unit_type and unit" );
57     operand = ( m_company_id >> 16 ) & 0xff;
58     se.write( operand, "UnitInfoCmd company_ID (2)" );
59     operand = ( m_company_id >> 8 ) & 0xff;
60     se.write( operand, "UnitInfoCmd company_ID (1)" );
61     operand = ( m_company_id >> 0 ) & 0xff;
62     se.write( operand, "UnitInfoCmd company_ID (0)" );
63
64     return true;
65 }
66
67 bool
68 UnitInfoCmd::deserialize( Util::Cmd::IISDeserialize& de )
69 {
70     AVCCommand::deserialize( de );
71
72     de.read( &m_reserved );
73
74     byte_t operand;
75     de.read( &operand );
76     m_unit_type = ( operand >> 3 );
77     m_unit = ( operand & 0x7 );
78
79     de.read( &operand );
80     m_company_id = 0;
81     m_company_id |= operand << 16;
82     de.read( &operand );
83     m_company_id |= operand << 8;
84     de.read( &operand );
85     m_company_id |= operand;
86
87     return true;
88 }
89
90 }
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