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/* |
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* Copyright (C) 2005-2007 by Daniel Wagner |
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* |
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* This file is part of FFADO |
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* FFADO = Free Firewire (pro-)audio drivers for linux |
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* |
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* FFADO is based upon FreeBoB |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License version 2.1, as published by the Free Software Foundation; |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301 USA |
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*/ |
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#include "avc_subunit_info.h" |
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#include "libutil/cmd_serialize.h" |
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#include "libieee1394/ieee1394service.h" |
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#include <netinet/in.h> |
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#include <iostream> |
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using namespace std; |
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namespace AVC { |
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SubUnitInfoCmd::SubUnitInfoCmd( Ieee1394Service& ieee1349service ) |
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: AVCCommand( ieee1349service, AVC1394_CMD_SUBUNIT_INFO ) |
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{ |
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clear(); |
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} |
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bool |
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SubUnitInfoCmd::clear() |
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{ |
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m_page = 0xff; |
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m_extension_code = 0x7; |
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for ( int i = 0; i < eMaxSubunitsPerPage; ++i ) { |
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m_table[i].m_subunit_type = 0xff; |
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m_table[i].m_max_subunit_id = 0xff; |
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} |
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m_nrOfValidEntries = 0; |
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return true; |
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} |
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SubUnitInfoCmd::~SubUnitInfoCmd() |
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{ |
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} |
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bool |
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SubUnitInfoCmd::serialize( Util::IOSSerialize& se ) |
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{ |
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AVCCommand::serialize( se ); |
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byte_t operand = 0; |
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operand = (( m_page & 0x7 ) << 4 ) | ( m_extension_code & 0x7 ); |
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se.write( operand, "SubUnitInfoCmd page and extension_code" ); |
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for ( int i = 0; i < eMaxSubunitsPerPage; ++i ) { |
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operand = ( m_table[i].m_subunit_type << 3 ) |
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| ( m_table[i].m_max_subunit_id & 0x7 ); |
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se.write( operand, "SubUnitInfoCmd subunit_type and max_subunit_ID" ); |
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} |
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return true; |
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} |
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bool |
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SubUnitInfoCmd::deserialize( Util::IISDeserialize& de ) |
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{ |
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AVCCommand::deserialize( de ); |
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byte_t operand; |
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de.read( &operand ); |
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m_page = ( operand >> 4 ) & 0x7; |
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m_extension_code = operand & 0x7; |
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m_nrOfValidEntries = 0; |
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for ( int i = 0; i < eMaxSubunitsPerPage; ++i ) { |
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de.read( &operand ); |
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m_table[i].m_subunit_type = operand >> 3; |
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m_table[i].m_max_subunit_id = operand & 0x7; |
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if ( operand != 0xff ) { |
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m_nrOfValidEntries++; |
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} |
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} |
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return true; |
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} |
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} |
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