URG laser - Revision history

OlivierR: /* Running */

2010-07-15T19:27:09Z

Running

← Older revision		Revision as of 21:27, 15 July 2010
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	Copy your ''laser'' executable on your board through TFTP (for example)		Copy your ''laser'' executable on your board through TFTP (for example)

	* Be sure to have TFTP server installed, [[Connection_with_U-Boot_on_Linux#TFTP_server\| if not it's explained here]]. Copy ''~~hello~~'' to your TFTP directory:		* Be sure to have TFTP server installed, [[Connection_with_U-Boot_on_Linux#TFTP_server\| if not it's explained here]]. Copy ''laser'' to your TFTP directory:
	<pre class="host">		<pre class="host">
	[demos]$ cp laser /tftpboot/		[demos]$ cp laser /tftpboot/

2010-07-15T19:26:34Z

Usage

← Older revision		Revision as of 21:26, 15 July 2010
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	#		#
	</pre>		</pre>
	The URG laser is known as the /dev/ttyACM0 device.		The URG laser is known as the /dev/ttyACM0 serial device.

	==Code example==		==Code example==

2010-07-15T19:26:24Z

Usage

← Older revision		Revision as of 21:26, 15 July 2010
Line 39:		Line 39:
	#		#
	</pre>		</pre>
	The URG laser is the /dev/ttyACM0 device.		The URG laser is known as the /dev/ttyACM0 device.

	==Code example==		==Code example==

2010-07-15T19:26:07Z

Usage

← Older revision		Revision as of 21:26, 15 July 2010
Line 39:		Line 39:
	#		#
	</pre>		</pre>
			The URG laser is the /dev/ttyACM0 device.

	==Code example==		==Code example==

2010-07-15T19:25:12Z

Compilation

@@ Line 101: / Line 101: @@
 install: all
-	cp -f $(EXEC) /var/lib/tftpboot/
+	cp -f $(EXEC) /tftpboot/
 </source>
 '''!! If you do a cut & paste with previous commands, don't forget to check TABS for each target (Makefiles are using TABS and not SPACES) !! In that case make will complains about a missing separator line 11'''
@@ Line 107: / Line 107: @@
 Then, on host, just do:
   [host ]$ make clean install
 ==Links==

2010-07-15T19:22:06Z

Code example

← Older revision		Revision as of 21:22, 15 July 2010
Line 73:		Line 73:
	</source>		</source>
	Save it as ''laser.cpp''.		Save it as ''laser.cpp''.
			==Compilation==
	You can put your program compilation and installation in a ''Makefile'' to make things cleaner:		You can put your program compilation and installation in a ''Makefile'' to make things cleaner:
	<source lang="C">		<source lang="C">
Line 105:		Line 105:
	'''!! If you do a cut & paste with previous commands, don't forget to check TABS for each target (Makefiles are using TABS and not SPACES) !! In that case make will complains about a missing separator line 11'''		'''!! If you do a cut & paste with previous commands, don't forget to check TABS for each target (Makefiles are using TABS and not SPACES) !! In that case make will complains about a missing separator line 11'''

	Then, on ~~hots~~, just do:		Then, on host, just do:
	[host ~~demos~~]$ make clean install		[host ]$ make clean install

	==Links==		==Links==

2010-07-15T19:20:33Z

Code example

← Older revision		Revision as of 21:20, 15 July 2010
Line 73:		Line 73:
	</source>		</source>
	Save it as ''laser.cpp''.		Save it as ''laser.cpp''.

	You can put your program compilation and installation in a ''Makefile'' to make things cleaner:		You can put your program compilation and installation in a ''Makefile'' to make things cleaner:
			<source lang="C">
	CXX=arm-linux-g++		CXX=arm-linux-g++
	EXEC=laser		EXEC=laser
Line 100:		Line 102:
	install: all		install: all
	cp -f $(EXEC) /var/lib/tftpboot/		cp -f $(EXEC) /var/lib/tftpboot/
			</source>
	'''!! If you do a cut & paste with previous commands, don't forget to check TABS for each target (Makefiles are using TABS and not SPACES) !! In that case make will complains about a missing separator line 11'''		'''!! If you do a cut & paste with previous commands, don't forget to check TABS for each target (Makefiles are using TABS and not SPACES) !! In that case make will complains about a missing separator line 11'''

2010-07-15T19:19:14Z

Code example

@@ Line 72: / Line 72: @@
 </source>
-Save it as ''laser.cpp''
+Save it as ''laser.cpp''.
 ==Links==

2010-07-15T19:17:09Z

Code example

2010-07-15T19:16:47Z

Code example

← Older revision		Revision as of 21:16, 15 July 2010
Line 41:		Line 41:

	==Code example==		==Code example==
			With your favorite editor/IDE, create the following program:

			<source lang="cpp">
			#include <iostream>
			#include "UrgCtrl.h"
			using namespace std;
			using namespace qrk;

			int main() {

			const char device[] = "/dev/ttyACM0";
			UrgCtrl urg;
			if (! urg.connect(device)) {
			cout << "UrgCtrl::connect: " << urg.what() << endl;
			exit(1);
			}
			vector<long> data;
			long timestamp = 0;
			while (1)
			{
			int n = urg.capture(data, &timestamp);
			if (n < 0) {
			cout << "UrgCtrl::capture: " << urg.what() << endl;
			exit(1);
			}
			cout << "timestamp: " << timestamp << "\t range at 0 degree : " << data[n/2] << " mm" <<endl;
			}
			return 0;
			}

			</source>
			Save it as ''hello.cpp''

	==Links==		==Links==