ieee1394service.cpp

Revision 15, 10.6 kB (checked in by wagi, 19 years ago)
Removed sigc++ code, using instead boost library. Print information on screen when doing bus scan.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`

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1	/* ieee1394service.cpp
2	* Copyright (C) 2004 by Daniel Wagner
3	*
4	* This file is part of FreeBob.
5	*
6	* FreeBob is free software; you can redistribute it and/or modify
7	* it under the terms of the GNU General Public License as published by
8	* the Free Software Foundation; either version 2 of the License, or
9	* (at your option) any later version.
10	* FreeBob is distributed in the hope that it will be useful,
11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13	* GNU General Public License for more details.
14	*
15	* You should have received a copy of the GNU General Public License
16	* along with FreeBob; if not, write to the Free Software
17	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
18	* MA 02111-1307 USA.
19	*/
20
21	#include <errno.h>
22	#include <libavc1394/avc1394.h>
23	#include <libavc1394/avc1394_vcr.h>
24	#include "ieee1394service.h"
25	#include "debugmodule.h"
26
27	Ieee1394Service* Ieee1394Service::m_pInstance = 0;
28
29	Ieee1394Service::Ieee1394Service()
30	: m_iPort( 0 )
31	, m_bInitialised( false )
32	, m_bRHThreadRunning( false )
33	{
34	pthread_mutex_init( &m_mutex, NULL );
35	}
36
37	Ieee1394Service::~Ieee1394Service()
38	{
39	stopRHThread();
40
41	if ( m_rhHandle ) {
42	raw1394_destroy_handle( m_rhHandle );
43	m_rhHandle = 0;
44	}
45
46	if ( m_handle ) {
47	raw1394_destroy_handle( m_handle );
48	m_handle = 0;
49	}
50
51	m_pInstance = 0;
52	}
53
54	FBReturnCodes
55	Ieee1394Service::initialize()
56	{
57	if ( !m_bInitialised ) {
58	m_rhHandle = raw1394_new_handle();
59	m_handle = raw1394_new_handle();
60	if ( !m_rhHandle \|\| !m_handle ) {
61	if ( !errno ) {
62	fprintf( stderr, "libraw1394 not compatible.\n" );
63	} else {
64	perror ("Could not get 1394 handle");
65	fprintf (stderr, "Is ieee1394 and raw1394 driver loaded?\n");
66	}
67	return eFBRC_Creating1394HandleFailed;
68	}
69
70	// Store this instance in the user data pointer, in order
71	// to be able to retrieve the instance in the pure C bus reset
72	// call back function.
73	raw1394_set_userdata( m_rhHandle, this );
74
75	if ( raw1394_set_port( m_rhHandle, m_iPort ) < 0 ) {
76	perror( "Could not set port" );
77	return eFBRC_Setting1394PortFailed;
78	}
79
80	if ( raw1394_set_port( m_handle, m_iPort ) < 0 ) {
81	perror( "Could not set port" );
82	return eFBRC_Setting1394PortFailed;
83	}
84
85	raw1394_set_bus_reset_handler( m_rhHandle, this->resetHandler );
86
87	startRHThread();
88
89	discoveryDevices();
90	m_bInitialised = true;
91	}
92	return eFBRC_Success;
93	}
94
95	void
96	Ieee1394Service::shutdown()
97	{
98	delete this;
99	}
100
101	Ieee1394Service*
102	Ieee1394Service::instance()
103	{
104	if ( !m_pInstance ) {
105	m_pInstance = new Ieee1394Service;
106	}
107	return m_pInstance;
108	}
109
110	FBReturnCodes
111	Ieee1394Service::discoveryDevices()
112	{
113	//scan bus
114	int iNodeCount = raw1394_get_nodecount( m_handle );
115	for ( int iNodeId = 0; iNodeId < iNodeCount; ++iNodeId ) {
116	rom1394_directory romDir;
117	rom1394_get_directory( m_handle, iNodeId, &romDir );
118	printRomDirectory( iNodeId, &romDir );
119
120	switch (rom1394_get_node_type( &romDir )) {
121	case ROM1394_NODE_TYPE_UNKNOWN:
122	debugPrint (DEBUG_LEVEL_INFO,
123	"Node %d has node type UNKNOWN\n", iNodeId);
124	break;
125	case ROM1394_NODE_TYPE_DC:
126	debugPrint (DEBUG_LEVEL_INFO,
127	"Node %d has node type DC\n", iNodeId);
128	break;
129	case ROM1394_NODE_TYPE_AVC:
130	debugPrint (DEBUG_LEVEL_INFO,
131	"Node %d has node type AVC\n", iNodeId);
132	printAvcUnitInfo( iNodeId );
133
134	if ( avc1394_check_subunit_type( m_handle, iNodeId,
135	AVC1394_SUBUNIT_TYPE_AUDIO ) ) {
136	// XXX
137	// create avcDevice which discovers itself :)
138	}
139	break;
140	case ROM1394_NODE_TYPE_SBP2:
141	debugPrint( DEBUG_LEVEL_INFO,
142	"Node %d has node type SBP2\n", iNodeId);
143	break;
144	case ROM1394_NODE_TYPE_CPU:
145	debugPrint( DEBUG_LEVEL_INFO,
146	"Node %d has node type CPU\n", iNodeId);
147	break;
148	default:
149	debugPrint( DEBUG_LEVEL_INFO,
150	"No matching node type found for node %d\n", iNodeId);
151	}
152	}
153	return eFBRC_Success;
154	}
155
156	void
157	Ieee1394Service::printAvcUnitInfo( int iNodeId )
158	{
159	printf( "AVC: video monitor?......%s\n",
160	avc1394_check_subunit_type( m_handle, iNodeId,
161	AVC1394_SUBUNIT_TYPE_VIDEO_MONITOR ) ?
162	"yes":"no" );
163	printf( "AVC: audio?..............%s\n",
164	avc1394_check_subunit_type( m_handle, iNodeId,
165	AVC1394_SUBUNIT_TYPE_AUDIO ) ?
166	"yes":"no" );
167	printf( "AVC; printer?............%s\n",
168	avc1394_check_subunit_type( m_handle, iNodeId,
169	AVC1394_SUBUNIT_TYPE_PRINTER ) ?
170	"yes":"no" );
171	printf( "AVC: disk recorder?......%s\n",
172	avc1394_check_subunit_type( m_handle, iNodeId,
173	AVC1394_SUBUNIT_TYPE_DISC_RECORDER ) ?
174	"yes":"no" );
175	printf( "AVC: video recorder?.....%s\n",
176	avc1394_check_subunit_type( m_handle, iNodeId,
177	AVC1394_SUBUNIT_TYPE_TAPE_RECORDER ) ?
178	"yes":"no" );
179	printf( "AVC: vcr?................%s\n",
180	avc1394_check_subunit_type( m_handle, iNodeId,
181	AVC1394_SUBUNIT_TYPE_VCR ) ?
182	"yes":"no" );
183	printf( "AVC: tuner?..............%s\n",
184	avc1394_check_subunit_type( m_handle, iNodeId,
185	AVC1394_SUBUNIT_TYPE_TUNER ) ?
186	"yes":"no" );
187	printf( "AVC: CA?.................%s\n",
188	avc1394_check_subunit_type( m_handle, iNodeId,
189	AVC1394_SUBUNIT_TYPE_CA ) ?
190	"yes":"no" );
191	printf( "AVC: video camera?.......%s\n",
192	avc1394_check_subunit_type( m_handle, iNodeId,
193	AVC1394_SUBUNIT_TYPE_VIDEO_CAMERA ) ?
194	"yes":"no" );
195	printf( "AVC: panel?..............%s\n",
196	avc1394_check_subunit_type(m_handle, iNodeId,
197	AVC1394_SUBUNIT_TYPE_PANEL ) ?
198	"yes":"no" );
199	printf( "AVC: camera storage?.....%s\n",
200	avc1394_check_subunit_type( m_handle, iNodeId,
201	AVC1394_SUBUNIT_TYPE_CAMERA_STORAGE ) ?
202	"yes":"no" );
203	printf( "AVC: bulletin board?.....%s\n",
204	avc1394_check_subunit_type( m_handle, iNodeId,
205	AVC1394_SUBUNIT_TYPE_BULLETIN_BOARD ) ?
206	"yes":"no" );
207	printf( "AVC: vendor specificr?...%s\n",
208	avc1394_check_subunit_type( m_handle, iNodeId,
209	AVC1394_SUBUNIT_TYPE_VENDOR_UNIQUE ) ?
210	"yes":"no" );
211	printf( "AVC: extended?...........%s\n",
212	avc1394_check_subunit_type( m_handle, iNodeId,
213	AVC1394_SUBUNIT_TYPE_EXTENDED ) ?
214	"yes":"no" );
215	printf( "AVC: unit?...............%s\n",
216	avc1394_check_subunit_type( m_handle, iNodeId,
217	AVC1394_SUBUNIT_TYPE_UNIT ) ?
218	"yes":"no" );
219	}
220
221	void
222	Ieee1394Service::printRomDirectory( int iNodeId, rom1394_directory* pRomDir )
223	{
224	int iBusInfoBlockLength
225	= rom1394_get_bus_info_block_length( m_handle, iNodeId );
226	int iBusId = rom1394_get_bus_id( m_handle, iNodeId );
227	octlet_t oGuid = rom1394_get_guid( m_handle, iNodeId );
228	rom1394_bus_options busOptions;
229	rom1394_get_bus_options( m_handle, iNodeId, &busOptions );
230
231	printf ( "\nNode %d: \n", iNodeId);
232	printf ( "-------------------------------------------------\n");
233	printf ("bus info block length = %d\n", iBusInfoBlockLength);
234	printf ("bus id = 0x%08x\n", iBusId);
235	printf ("bus options:\n");
236	printf (" isochronous resource manager capable: %d\n", busOptions.irmc);
237	printf (" cycle master capable : %d\n", busOptions.cmc);
238	printf (" isochronous capable : %d\n", busOptions.isc);
239	printf (" bus manager capable : %d\n", busOptions.bmc);
240	printf (" cycle master clock accuracy : %d ppm\n", busOptions.cyc_clk_acc);
241	printf (" maximum asynchronous record size : %d bytes\n", busOptions.max_rec);
242	printf ("GUID: 0x%08x%08x\n", (quadlet_t) (oGuid>>32),
243	(quadlet_t) (oGuid & 0xffffffff));
244	printf ("directory:\n");
245	printf (" node capabilities : 0x%08x\n", pRomDir->node_capabilities);
246	printf (" vendor id : 0x%08x\n", pRomDir->vendor_id);
247	printf (" unit spec id : 0x%08x\n", pRomDir->unit_spec_id);
248	printf (" unit software version: 0x%08x\n", pRomDir->unit_sw_version);
249	printf (" model id : 0x%08x\n", pRomDir->model_id);
250	printf (" textual leaves : %s\n", pRomDir->label);
251	}
252
253	int
254	Ieee1394Service::resetHandler( raw1394handle_t handle,
255	unsigned int iGeneration )
256	{
257	debugPrint( DEBUG_LEVEL_INFO,
258	"Bus reset has occurred (generation = %d).\n", iGeneration );
259	raw1394_update_generation (handle, iGeneration);
260	Ieee1394Service* pInstance
261	= (Ieee1394Service*) raw1394_get_userdata (handle);
262	pInstance->sigGenerationCount( iGeneration );
263	return 0;
264	}
265
266	bool
267	Ieee1394Service::startRHThread()
268	{
269	if ( m_bRHThreadRunning ) {
270	return true;
271	}
272	debugPrint( DEBUG_LEVEL_INFO,
273	"Starting bus reset handler thread.\n" );
274	pthread_mutex_lock( &m_mutex );
275	pthread_create( &m_thread, NULL, rHThread, this );
276	pthread_mutex_unlock( &m_mutex );
277	m_bRHThreadRunning = true;
278	return true;
279	}
280
281	void
282	Ieee1394Service::stopRHThread()
283	{
284	if ( m_bRHThreadRunning ) {
285	debugPrint( DEBUG_LEVEL_INFO,
286	"Stopping bus reset handler thread.\n" );
287	pthread_mutex_lock (&m_mutex);
288	pthread_cancel (m_thread);
289	pthread_join (m_thread, NULL);
290	pthread_mutex_unlock (&m_mutex);
291	}
292	m_bRHThreadRunning = false;
293	}
294
295	void*
296	Ieee1394Service::rHThread( void* arg )
297	{
298	Ieee1394Service* pIeee1394Service = (Ieee1394Service*) arg;
299
300	while (true) {
301	raw1394_loop_iterate (pIeee1394Service->m_rhHandle);
302	pthread_testcancel ();
303	}
304
305	return NULL;
306	}

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root/trunk/freebob/src/ieee1394service.cpp

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