Digital Event Recorder - Revision history

Lof: /* How to use a DER */

2024-02-08T11:14:45Z

How to use a DER

← Older revision		Revision as of 11:14, 8 February 2024
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	The DER has an Ethernet connection and should be connected to the local network. The DER makes use of Lab Streaming Layer (LSL) and in the biofysica toolbox there is a Matlab interface for LSL.		The DER has an Ethernet connection and should be connected to the local network. The DER makes use of Lab Streaming Layer (LSL) and in the biofysica toolbox there is a Matlab interface for LSL.

	Every DER has a name '''lslderXX''', where XX is the number of the device. Every channel has a name '''Digital Events X''' where X is the number of the channel. The DER ~~create an~~ separate LSL stream for every channel of the device. Each stream is identified by a type and a name. In this case the type of the stream is '''Digital Events @ lslderXX''' and the name of the stream is '''Digital Events X'''.		Every DER has a name '''lslderXX''', where XX is the number of the device. Every channel has a name '''Digital Events X''' where X is the number of the channel. The DER creates a separate LSL stream for every channel of the device. Each stream is identified by a type and a name. In this case the type of the stream is '''Digital Events @ lslderXX''' and the name of the stream is '''Digital Events X'''.

	The following code tries to find the LSL stream for the device '''lslder04''' and the channel '''Digital Events 1''':		The following code tries to find the LSL stream for the device '''lslder04''' and the channel '''Digital Events 1''':

Lof: /* How to use a DER */

2024-02-08T11:13:40Z

How to use a DER

← Older revision		Revision as of 11:13, 8 February 2024
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	<pre>		<pre>
	lslInfo=lsl_resolver('type=''Digital Events @ lslder04'' and name=''Digital Events 1''');		lslInfo=lsl_resolver('type=''Digital Events @ lslder04'' and name=''Digital Events 1''');
	~~streamInfoList~~ = lslInfo~~.list~~;		eventStream = lsl_istream(lslInfo{1});
	</pre>		</pre>

Lof: /* How to use a DER */

2024-02-08T11:08:28Z

How to use a DER

← Older revision		Revision as of 11:08, 8 February 2024
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	Every DER has a name '''lslderXX''', where XX is the number of the device. Every channel has a name '''Digital Events X''' where X is the number of the channel. The DER create an separate LSL stream for every channel of the device. Each stream is identified by a type and a name. In this case the type of the stream is '''Digital Events @ lslderXX''' and the name of the stream is '''Digital Events X'''.		Every DER has a name '''lslderXX''', where XX is the number of the device. Every channel has a name '''Digital Events X''' where X is the number of the channel. The DER create an separate LSL stream for every channel of the device. Each stream is identified by a type and a name. In this case the type of the stream is '''Digital Events @ lslderXX''' and the name of the stream is '''Digital Events X'''.

	The following code ~~checks whether an~~ LSL stream ~~is available~~ for the device '''lslder04''' and the channel '''Digital Events 1''':		The following code tries to find the LSL stream for the device '''lslder04''' and the channel '''Digital Events 1''':
	<pre>		<pre>
	lslInfo=lsl_resolver('type=''Digital Events @ lslder04'' and name=''Digital Events 1''');		lslInfo=lsl_resolver('type=''Digital Events @ lslder04'' and name=''Digital Events 1''');
			streamInfoList = lslInfo.list;
	</pre>		</pre>

Lof: /* How to use a DER */

2024-02-08T11:07:18Z

How to use a DER

← Older revision		Revision as of 11:07, 8 February 2024
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	<pre>		<pre>
	lslInfo=lsl_resolver('type=''Digital Events @ lslder04'' and name=''Digital Events 1''');		lslInfo=lsl_resolver('type=''Digital Events @ lslder04'' and name=''Digital Events 1''');
	~~streamInfoList=lslInfo.list();~~
	~~if isempty(streamInfoList)~~
	~~error('no streams found');~~
	~~end~~
	</pre>		</pre>

Lof: /* How to use a DER */

2024-02-08T11:06:48Z

How to use a DER

← Older revision		Revision as of 11:06, 8 February 2024
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	</pre>		</pre>

	For more info on LSL ~~see~~		For more info on LSL look [[LabStreamingLayer\|here]].

	==2 Channel Mobile Event Recorder==		==2 Channel Mobile Event Recorder==

Lof: /* How to use a DER */

2024-02-08T10:50:46Z

How to use a DER

@@ Line 20: / Line 20: @@
 </pre>
-In this case the '''streamInfoList''' contains only one stream (or none). If you want to find all available streams you can use:
+For more info on LSL see
 ==2 Channel Mobile Event Recorder==

Lof: /* How to use a DER */

2024-02-08T10:33:33Z

How to use a DER

← Older revision		Revision as of 10:33, 8 February 2024
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	The following code checks whether an LSL stream is available for the device '''lslder04''' and the channel '''Digital Events 1''':		The following code checks whether an LSL stream is available for the device '''lslder04''' and the channel '''Digital Events 1''':
	<pre>		<pre>
	~~info~~=lsl_resolver('type=''Digital Events @ lslder04'' and name=''Digital Events 1''');		lslInfo=lsl_resolver('type=''Digital Events @ lslder04'' and name=''Digital Events 1''');
	streamInfoList=~~info~~.list();		streamInfoList=lslInfo.list();
	if isempty(streamInfoList)		if isempty(streamInfoList)
	error('no streams found');		error('no streams found');
Line 23:		Line 23:
	<pre>		<pre>
	info=lsl_resolver		info=lsl_resolver
	streamInfoList = ~~info~~.list();		streamInfoList = lslInfo.list();
	</pre>		</pre>

Line 37:		Line 37:

	<pre>		<pre>
	eventStream=lsl_istream(~~info~~{n});		eventStream=lsl_istream(lslInfo{n});
	</pre>		</pre>

Lof: /* How to use a DER */

2024-02-08T10:32:13Z

How to use a DER

← Older revision		Revision as of 10:32, 8 February 2024
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	</pre>		</pre>

	You can ~~find a specific~~ stream by using '''lsl_istream''':		The following code prints all the types and names of the streams that are found:

			<pre>
			for i=1:size(streamInfoList ,1)
			fprintf('%d: name: ''%s'' type: ''%s''\n',i,streamInfoList{i}.name,streamInfoList{i}.type);
			end
			</pre>

			You can get the n-th stream by using '''lsl_istream''':

	<pre>		<pre>
	~~n=1;~~
	eventStream=lsl_istream(info{n});		eventStream=lsl_istream(info{n});
	</pre>		</pre>

Lof: /* How to use a DER */

2024-02-08T10:27:41Z

How to use a DER

← Older revision		Revision as of 10:27, 8 February 2024
Line 9:		Line 9:
	The DER has an Ethernet connection and should be connected to the local network. The DER makes use of Lab Streaming Layer (LSL) and in the biofysica toolbox there is a Matlab interface for LSL.		The DER has an Ethernet connection and should be connected to the local network. The DER makes use of Lab Streaming Layer (LSL) and in the biofysica toolbox there is a Matlab interface for LSL.

	Every DER has a name '''lslderXX''', where XX is the number of the device. Every channel has a name '''Digital Events X''' where X is the number of the channel.		Every DER has a name '''lslderXX''', where XX is the number of the device. Every channel has a name '''Digital Events X''' where X is the number of the channel. The DER create an separate LSL stream for every channel of the device. Each stream is identified by a type and a name. In this case the type of the stream is '''Digital Events @ lslderXX''' and the name of the stream is '''Digital Events X'''.

	The following code checks whether an LSL stream is available for the device '''lslder04''' and the channel '''Digital Events 1''':		The following code checks whether an LSL stream is available for the device '''lslder04''' and the channel '''Digital Events 1''':
	<pre>		<pre>
	info=lsl_resolver('type=''Digital Events @ lslder04'' and name=''Digital Events 1''');		info=lsl_resolver('type=''Digital Events @ lslder04'' and name=''Digital Events 1''');
	l=info.~~infos~~();		streamInfoList=info.list();
	if isempty(l)		if isempty(streamInfoList)
	error('no streams found');		error('no streams found');
	end		end
			</pre>

			In this case the '''streamInfoList''' contains only one stream (or none). If you want to find all available streams you can use:
			<pre>
			info=lsl_resolver
			streamInfoList = info.list();
			</pre>

			You can find a specific stream by using '''lsl_istream''':

			<pre>
			n=1;
			eventStream=lsl_istream(info{n});
			</pre>

			<pre>
			ses=lsl_session();
			ses.add_stream(eventStream);
	</pre>		</pre>

Lof: /* How to use a DER */

2024-02-08T10:05:10Z

How to use a DER

← Older revision		Revision as of 10:05, 8 February 2024
Line 9:		Line 9:
	The DER has an Ethernet connection and should be connected to the local network. The DER makes use of Lab Streaming Layer (LSL) and in the biofysica toolbox there is a Matlab interface for LSL.		The DER has an Ethernet connection and should be connected to the local network. The DER makes use of Lab Streaming Layer (LSL) and in the biofysica toolbox there is a Matlab interface for LSL.

	~~De volgende~~ code ~~kijkt of er een~~ LSL stream ~~beschikbaar~~ is ~~voor het~~ device '''lslder04''' ~~en het kanaal~~ '''Digital Events 1'''		Every DER has a name '''lslderXX''', where XX is the number of the device. Every channel has a name '''Digital Events X''' where X is the number of the channel.

			The following code checks whether an LSL stream is available for the device '''lslder04''' and the channel '''Digital Events 1''':
	<pre>		<pre>
	info=lsl_resolver('type=''Digital Events @ lslder04'' and name=''Digital Events 1''');		info=lsl_resolver('type=''Digital Events @ lslder04'' and name=''Digital Events 1''');