Codeserialport - Revision history

imported>Saggar at 19:16, 26 March 2012

2012-03-26T19:16:12Z

← Older revision		Revision as of 19:16, 26 March 2012
Line 23:		Line 23:
	y = str2double(ln(9:11));		y = str2double(ln(9:11));
	b = str2double(ln(15));		b = str2double(ln(15));

	if x <= 0 \|\| y <= 0		if x <= 0 \|\| y <= 0
	continue;		continue;

imported>Saggar at 19:15, 26 March 2012

2012-03-26T19:15:59Z

← Older revision		Revision as of 19:15, 26 March 2012
Line 11:		Line 11:
	% /dev/...		% /dev/...
	s = serial('/dev/cu.usbmodem12341','BaudRate',57600);		s = serial('/dev/cu.usbmodem12341','BaudRate',57600);
	fopen(s);		fopen(s);
	c = onCleanup(@()letscleanup(s));		c = onCleanup(@()letscleanup(s));
	% screen resolution		% screen resolution
	theRect = [0 0 1200 800];		theRect = [0 0 1200 800];
	while(1)		while(1)
	ln = fgets(s);		ln = fgets(s);
	if size(ln,2) ~=18 \|\| ln(3) == 'N'		if size(ln,2) ~=18 \|\| ln(3) == 'N'
	continue;		continue;
	end		end
	x = str2double(ln(3:5));		x = str2double(ln(3:5));
	y = str2double(ln(9:11));		y = str2double(ln(9:11));
	b = str2double(ln(15));		b = str2double(ln(15));

	if x <= 0 \|\| y <= 0		if x <= 0 \|\| y <= 0
	continue;		continue;
	end		end
	x = floor((x/(850+180))*theRect(3))		x = floor((x/(850+180))*theRect(3))
	y = floor((y/(800+230))*theRect(4))		y = floor((y/(800+230))*theRect(4))
	end		end
	fclose(s); delete(s); clear s;		fclose(s); delete(s); clear s;
	end		end
	% if Ctrl+C is used this function clears up the pointer of the tablet.		% if Ctrl+C is used this function clears up the pointer of the tablet.
	% Otherwise Matlab crashes or you need to quit matlab every time.		% Otherwise Matlab crashes or you need to quit matlab every time.
	function letscleanup(s)		function letscleanup(s)
	% clear serial port		% clear serial port
	fclose(s); delete(s); clear s;		fclose(s); delete(s); clear s;
	Screen('CloseAll');		Screen('CloseAll');
	ShowCursor;		ShowCursor;
	psychrethrow(psychlasterror);		psychrethrow(psychlasterror);
	end		end
	</code>		</code>

imported>Saggar at 19:15, 26 March 2012

2012-03-26T19:15:04Z

← Older revision		Revision as of 19:15, 26 March 2012
Line 8:		Line 8:
	% Written by Manish Saggar (saggar@stanford.edu) on 3/26/2012		% Written by Manish Saggar (saggar@stanford.edu) on 3/26/2012
	function tabletCodeSerialPort()		function tabletCodeSerialPort()
	% change the path below for location of tablet mount, usually in		% change the path below for location of tablet mount, usually in
	% /dev/...		% /dev/...
	s = serial('/dev/cu.usbmodem12341','BaudRate',57600);		s = serial('/dev/cu.usbmodem12341','BaudRate',57600);
	fopen(s);		fopen(s);
	c = onCleanup(@()letscleanup(s));		c = onCleanup(@()letscleanup(s));

imported>Saggar at 19:14, 26 March 2012

2012-03-26T19:14:38Z

← Older revision		Revision as of 19:14, 26 March 2012
Line 7:		Line 7:
	% Aim: Simply outputs x and y coordinates from the tablet.		% Aim: Simply outputs x and y coordinates from the tablet.
	% Written by Manish Saggar (saggar@stanford.edu) on 3/26/2012		% Written by Manish Saggar (saggar@stanford.edu) on 3/26/2012

	function tabletCodeSerialPort()		function tabletCodeSerialPort()
	% change the path below for location of tablet mount, usually in		% change the path below for location of tablet mount, usually in
Line 31:		Line 30:
	y = floor((y/(800+230))*theRect(4))		y = floor((y/(800+230))*theRect(4))
	end		end

	fclose(s); delete(s); clear s;		fclose(s); delete(s); clear s;
	end		end

	% if Ctrl+C is used this function clears up the pointer of the tablet.		% if Ctrl+C is used this function clears up the pointer of the tablet.
	% Otherwise Matlab crashes or you need to quit matlab every time.		% Otherwise Matlab crashes or you need to quit matlab every time.
	function letscleanup(s)		function letscleanup(s)

	% clear serial port		% clear serial port
	fclose(s); delete(s); clear s;		fclose(s); delete(s); clear s;

	Screen('CloseAll');		Screen('CloseAll');
	ShowCursor;		ShowCursor;
	psychrethrow(psychlasterror);		psychrethrow(psychlasterror);

	end		end
	</code>		</code>

imported>Saggar at 19:13, 26 March 2012

2012-03-26T19:13:52Z

← Older revision		Revision as of 19:13, 26 March 2012
Line 4:		Line 4:

	<code>		<code>
	% Code to use CNI Tablet using serial port		% Code to use CNI Tablet using serial port
	% Aim: Simply outputs x and y coordinates from the tablet.		% Aim: Simply outputs x and y coordinates from the tablet.
	% Written by Manish Saggar (saggar@stanford.edu) on 3/26/2012		% Written by Manish Saggar (saggar@stanford.edu) on 3/26/2012

	function tabletCodeSerialPort()		function tabletCodeSerialPort()
	% change the path below for location of tablet mount, usually in		% change the path below for location of tablet mount, usually in
	% /dev/...		% /dev/...
Line 14:		Line 14:
	fopen(s);		fopen(s);
	c = onCleanup(@()letscleanup(s));		c = onCleanup(@()letscleanup(s));

	% screen resolution		% screen resolution
	theRect = [0 0 1200 800];		theRect = [0 0 1200 800];


	while(1)		while(1)
	ln = fgets(s);		ln = fgets(s);
Line 36:		Line 33:

	fclose(s); delete(s); clear s;		fclose(s); delete(s); clear s;
			end

	~~end~~		% if Ctrl+C is used this function clears up the pointer of the tablet.
			% Otherwise Matlab crashes or you need to quit matlab every time.
	% if Ctrl+C is used this function clears up the pointer of the tablet.		function letscleanup(s)
	% Otherwise Matlab crashes or you need to quit matlab every time.
	function letscleanup(s)

	% clear serial port		% clear serial port
Line 50:		Line 46:
	psychrethrow(psychlasterror);		psychrethrow(psychlasterror);

	end		end
	</code>		</code>

imported>Saggar at 19:12, 26 March 2012

2012-03-26T19:12:37Z

← Older revision		Revision as of 19:12, 26 March 2012
Line 1:		Line 1:
			Matlab code to use serial port to communicate with the CNI tablet.

			NOTE: on Linux, you may need to create a symbolic link for matlab to find the port location; see here for more info http://www.mathworks.com/support/solutions/en/data/1-3ZT8GP/index.html?product=ML&solution=1-3ZT8GP

	<code>		<code>
	% Code to use CNI Tablet using serial port		% Code to use CNI Tablet using serial port
	%
	% Aim: Simply outputs x and y coordinates from the tablet.		% Aim: Simply outputs x and y coordinates from the tablet.
	%
	% Written by Manish Saggar (saggar@stanford.edu) on 3/26/2012		% Written by Manish Saggar (saggar@stanford.edu) on 3/26/2012

	function tabletCodeSerialPort()		function tabletCodeSerialPort()
	% change the path below for location of tablet mount, usually in		% change the path below for location of tablet mount, usually in
	% /dev/...		% /dev/...
	% NOTE: on Linux, you may need to create a symbolic link for matlab to find the port location; see here for more info http://www.mathworks.com/support/solutions/en/data/1-3ZT8GP/index.html?product=ML&solution=1-3ZT8GP
	s = serial('/dev/cu.usbmodem12341','BaudRate',57600);		s = serial('/dev/cu.usbmodem12341','BaudRate',57600);
	fopen(s);		fopen(s);

imported>Saggar at 19:11, 26 March 2012

2012-03-26T19:11:39Z

← Older revision		Revision as of 19:11, 26 March 2012
Line 1:		Line 1:
	<~~nowiki~~>		<code>
	% Code to use CNI Tablet using serial port		% Code to use CNI Tablet using serial port
	%		%
Line 49:		Line 49:

	end		end
			</code>
	</~~nowiki~~>

imported>Saggar at 19:11, 26 March 2012

2012-03-26T19:11:08Z

← Older revision		Revision as of 19:11, 26 March 2012
Line 1:		Line 1:
			<nowiki>
	% Code to use CNI Tablet using serial port		% Code to use CNI Tablet using serial port
	%		%
Line 48:		Line 49:

	end		end

			</nowiki>

imported>Saggar: Created page with "% Code to use CNI Tablet using serial port % % Aim: Simply outputs x and y coordinates from the tablet. % % Written by Manish Saggar (saggar@stanford.edu) on 3/26/2012 function t..."

2012-03-26T19:10:01Z

Created page with "% Code to use CNI Tablet using serial port % % Aim: Simply outputs x and y coordinates from the tablet. % % Written by Manish Saggar (saggar@stanford.edu) on 3/26/2012 function t..."

New page

% Code to use CNI Tablet using serial port
%
% Aim: Simply outputs x and y coordinates from the tablet.
%
% Written by Manish Saggar (saggar@stanford.edu) on 3/26/2012
function tabletCodeSerialPort()
% change the path below for location of tablet mount, usually in
% /dev/...
% NOTE: on Linux, you may need to create a symbolic link for matlab to find the port location; see here for more info http://www.mathworks.com/support/solutions/en/data/1-3ZT8GP/index.html?product=ML&solution=1-3ZT8GP
s = serial('/dev/cu.usbmodem12341','BaudRate',57600);
fopen(s);
c = onCleanup(@()letscleanup(s));

% screen resolution
theRect = [0 0 1200 800];

while(1)
ln = fgets(s);
if size(ln,2) ~=18 || ln(3) == 'N'
continue;
end
x = str2double(ln(3:5));
y = str2double(ln(9:11));
b = str2double(ln(15));

if x <= 0 || y <= 0
continue;
end
x = floor((x/(850+180))*theRect(3))
y = floor((y/(800+230))*theRect(4))
end

fclose(s); delete(s); clear s;

end

% if Ctrl+C is used this function clears up the pointer of the tablet.
% Otherwise Matlab crashes or you need to quit matlab every time.
function letscleanup(s)

% clear serial port
fclose(s); delete(s); clear s;

Screen('CloseAll');
ShowCursor;
psychrethrow(psychlasterror);

end