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/* |
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* Copyright (C) 2005-2008 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 program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 2 of the License, or |
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* (at your option) version 3 of the License. |
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* |
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* This program 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 |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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#include "libavc/audiosubunit/avc_function_block.h" |
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#include "libutil/serialize.h" |
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#include "libutil/cmd_serialize.h" |
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#include "libieee1394/ieee1394service.h" |
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const bool bVerbose = false; |
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using namespace AVC; |
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using namespace Util; |
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using namespace Util::Cmd; |
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short int |
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getPan( Ieee1394Service& ieee1394service, int node_id, int ffb_id, |
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FunctionBlockCmd::EControlAttribute control_attrib ) |
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{ |
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FunctionBlockCmd fbCmd( ieee1394service, |
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FunctionBlockCmd::eFBT_Feature, |
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ffb_id, |
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control_attrib ); |
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fbCmd.setNodeId( node_id ); |
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fbCmd.setSubunitId( 0x00 ); |
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fbCmd.setCommandType( AVCCommand::eCT_Status ); |
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fbCmd.m_pFBFeature->m_audioChannelNumber = 2; |
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fbCmd.m_pFBFeature->m_controlSelector=FunctionBlockFeature::eCSE_Feature_LRBalance; |
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AVC::FunctionBlockFeatureLRBalance lr; |
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fbCmd.m_pFBFeature->m_pLRBalance = lr.clone(); |
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fbCmd.m_pFBFeature->m_pLRBalance->m_lrBalance = 0; |
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fbCmd.setVerbose( bVerbose ); |
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if (bVerbose) { |
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ieee1394service.setVerboseLevel( DEBUG_LEVEL_VERBOSE ); |
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} |
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if ( !fbCmd.fire() ) { |
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printf( "cmd failed\n" ); |
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} |
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if ( bVerbose ) { |
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CoutSerializer se; |
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fbCmd.serialize( se ); |
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} |
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return fbCmd.m_pFBFeature->m_pLRBalance->m_lrBalance; |
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} |
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bool |
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setPan( Ieee1394Service& ieee1394service, int node_id, int ffb_id, int pan ) |
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{ |
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FunctionBlockCmd fbCmd( ieee1394service, |
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FunctionBlockCmd::eFBT_Feature, |
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ffb_id, |
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FunctionBlockCmd::eCA_Current ); |
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fbCmd.setNodeId( node_id ); |
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fbCmd.setSubunitId( 0x00 ); |
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fbCmd.setCommandType( AVCCommand::eCT_Control ); |
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fbCmd.m_pFBFeature->m_audioChannelNumber = 2; |
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fbCmd.m_pFBFeature->m_controlSelector=FunctionBlockFeature::eCSE_Feature_LRBalance; |
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AVC::FunctionBlockFeatureLRBalance lr; |
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fbCmd.m_pFBFeature->m_pLRBalance = lr.clone(); |
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fbCmd.m_pFBFeature->m_pLRBalance->m_lrBalance = pan; |
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fbCmd.setVerbose( bVerbose ); |
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if (bVerbose) { |
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ieee1394service.setVerboseLevel( DEBUG_LEVEL_VERBOSE ); |
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} |
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bool bStatus = fbCmd.fire(); |
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if ( !bStatus ) { |
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printf( "cmd failed\n" ); |
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} |
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if ( bVerbose ) { |
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CoutSerializer se; |
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fbCmd.serialize( se ); |
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} |
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return bStatus; |
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} |
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bool |
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doApp( Ieee1394Service& ieee1394service, int node_id, int fb_id, int pan ) |
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{ |
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short int maxPan = getPan( ieee1394service, node_id, fb_id, FunctionBlockCmd::eCA_Maximum ); |
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short int minPan = getPan( ieee1394service, node_id, fb_id, FunctionBlockCmd::eCA_Minimum ); |
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short int curPan = getPan( ieee1394service, node_id, fb_id, FunctionBlockCmd::eCA_Current ); |
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printf( "max pan value = %d\n", maxPan ); |
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printf( "min pan value = %d\n", minPan ); |
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printf( "old pan value = %d\n", curPan ); |
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//setPan( ieee1394service, node_id, fb_id, pan ); |
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curPan = getPan( ieee1394service, node_id, fb_id, FunctionBlockCmd::eCA_Current ); |
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printf( "new pan value = %d\n", curPan ); |
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return true; |
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} |
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/////////////////////////// |
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// main |
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////////////////////////// |
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int |
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main(int argc, char **argv) |
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{ |
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if (argc < 4) { |
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printf("usage: NODE_ID FB_ID PAN\n"); |
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exit(0); |
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} |
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int errno = 0; |
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char* tail; |
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int node_id = strtol( argv[1], &tail, 0 ); |
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int fb_id = strtol( argv[2], &tail, 0 ); |
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int pan = strtol( argv[3], &tail, 0 ); |
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if (errno) { |
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perror("argument parsing failed:"); |
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return -1; |
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} |
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Ieee1394Service ieee1394service; |
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if ( !ieee1394service.initialize( 0 ) ) { |
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fprintf( stderr, "could not set port on ieee1394service\n" ); |
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return -1; |
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} |
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doApp( ieee1394service, node_id, fb_id, pan ); |
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return 0; |
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} |
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