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/* avdevicesubunit.cpp |
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* Copyright (C) 2004 by Pieter Palmers |
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* |
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* This file is part of FreeBob. |
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* |
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* FreeBob 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) any later version. |
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* FreeBob 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 FreeBob; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA. |
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*/ |
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#include <errno.h> |
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#include <libavc1394/avc1394.h> |
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#include <libavc1394/avc1394_vcr.h> |
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#include "debugmodule.h" |
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#include "avdevice.h" |
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#include "avdevicesubunit.h" |
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void AvDeviceSubunit::test() { |
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} |
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AvDeviceSubunit::AvDeviceSubunit(AvDevice *parent, unsigned char target, unsigned char id) |
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{ |
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unsigned char byte; |
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quadlet_t request[6]; |
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quadlet_t *response; |
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cParent=parent; |
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iTarget=target; |
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iId=id; |
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iNbDestinationPlugs=0; |
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iNbSourcePlugs=0; |
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debugPrint (DEBUG_LEVEL_SUBUNIT,"AvDeviceSubunit target=%02X id=%02X created\n",target,id); |
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if (!cParent) { |
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debugPrint (DEBUG_LEVEL_SUBUNIT,"AvDeviceSubunit: parent == NULL!\n"); |
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bValid=false; |
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return; |
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} |
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bValid=true; |
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// check the number of I/O plugs |
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request[0] = AVC1394_CTYPE_STATUS | ((iTarget & 0x1F) << 19) | ((iId & 0x07) << 16) |
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| AVC1394_COMMAND_PLUG_INFO | 0x00; |
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request[1] = 0xFFFFFFFF; |
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response = cParent->avcExecuteTransaction(request, 2, 2); |
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if (response != NULL) { |
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iNbDestinationPlugs= (unsigned char) ((response[1]>>24) & 0xff); |
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iNbSourcePlugs= (unsigned char) ((response[1]>>16) & 0xff); |
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} |
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debugPrint (DEBUG_LEVEL_SUBUNIT,"AvDeviceSubunit: %d source plugs, %d destination plugs\n",iNbSourcePlugs,iNbDestinationPlugs); |
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} |
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AvDeviceSubunit::~AvDeviceSubunit() |
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{ |
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} |
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bool AvDeviceSubunit::isValid() |
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{ |
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return bValid; |
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} |
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unsigned char AvDeviceSubunit::getNbDestinationPlugs() { |
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return iNbDestinationPlugs; |
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} |
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unsigned char AvDeviceSubunit::getNbSourcePlugs() { |
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return iNbSourcePlugs; |
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} |
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