unlock/bci/decode/old/Calibrate_LRFB.m File Reference

Functions
function	Calibrate_LRFB () daqreset
	delete (timerfindall)
if	~isempty (findstr('nidaq', options.aidevice_name)) ai
	addchannel (ai, options.ai)
	set (ai,'InputType','SingleEnded')
	set (ai,'LoggingMode','Memory') setverify(ai.Channel
elseif	~isempty (findstr('winsound', options.aidevice_name)) ai
	h_rms (i)
	h_filt (i)
	h_text (i)
	title (['Channel ', num2str(options.ai(i))]) legend('Raw data'
Filtered end	subplot (length(options.ai)+1, 1, length(options.ai)+1) h_key
	title ('Keypress') set(gcf
evt	ProcessKeyboard (h_obj, evt))
	pause ()%does not work well in MATLAB 7.4 because of window focus problems%use this instead waiting
	while (waiting) drawnow end set(texthandle
id	quit ()
	start (ai) running
while	isrunning (ai)&&running%get EMG data(this blocks until it gets the data it wants)[emg_data
handle any keypress if	~exist ('draw_rms','var') draw_rms
	zeros (1, size(emg_data, 2))]
sqrt(mean(emg_data(:, 1).^2)) sqrt(mean(emg_data(end if	~isempty (draw_y) draw_y
filter_alpha *	draw_y (end,:)+(1-filter_alpha)*(draw_rms(end
end end	stop (ai)%delete(texthandle)
	save (fullfile(path, file),'all_t','all_data','draw_t','draw_rms','draw_y','draw_keypress')
if	strmatch (evt.Key,'escape','exact') running=0
end	if (waiting) waiting=0
Variables
clear	all
	options = paramSetup
timing definitions	sampleRate = 4000
Hz	dataRate = 12
Hz	filter_alpha = .95
	actualRate = setverify(ai,'SampleRate',sampleRate)
ai	SamplesPerTrigger = Inf
	InputRange
else	return
end	h_fig = figure
for	i
hold	on
	RMS
	KeyPressFcn
	h_obj
	keypress = 0
	all_length = 100*actualRate
	all_data = zeros(all_length,2)
	all_t = zeros(all_length,1)
	draw_length = 100*dataRate
	draw_t = zeros(draw_length,1)
	draw_rms = zeros(draw_length,2)
	draw_y = zeros(draw_length,2)
	draw_keypress = zeros(draw_length,1)
	texthandle = text(0,0,'Press any key to begin','HorizontalAlignment','center')
	String
	tic
now we start	t = 0
while	emg_t = getdata(ai,actualRate/dataRate)
if you want to FAKE	emg_data = [.5 + .5*sin(emg_t) .5 + .5*cos(emg_t)]
	drawnow
	function []

---

Function Documentation

addchannel	(	ai	,
		options.	ai
	)

function Calibrate_LRFB

(

)

delete

(

timerfindall

)

filter_alpha* draw_y	(	end	,
		:
	)

h_filt

(

i

)

h_rms

(

i

)

h_text

(

i

)

end if

(

waiting

)

[pure virtual]

while isrunning

(

ai

)

pause

(

)

evt ProcessKeyboard	(	h_obj	,
		evt
	)

id quit

(

)

[virtual]

save	(	fullfile(path, file)	,
		'all_t'	,
		'all_data'	,
		'draw_t'	,
		'draw_rms'	,
		'draw_y'	,
		'draw_keypress'
	)

set	(	ai	,
		'InputType'	,
		'SingleEnded'
	)

set	(	ai	,
		'LoggingMode'	,
		'Memory'
	)

start

(

ai

)

end end stop

(

ai

)

if strmatch	(	evt.	Key,
		'escape'	,
		'exact'
	)			[pure virtual]

Filtered end subplot	(	length(options.ai)+	1,
		1	,
		length(options.ai)+	1
	)

title

(

'Keypress'

)

title

(

)

while

(

waiting

)

zeros	(	1	,
		size(emg_data, 2)
	)

handle any keypress if ~exist	(	'draw_rms'	,
		'var'
	)

elseif ~isempty

(

findstr('winsound', options.aidevice_name)

)

if ~isempty

(

findstr('nidaq', options.aidevice_name)

)

sqrt (mean(emg_data(:,1).^2)) sqrt(mean(emg_data( end if ~isempty

(

draw_y

)

---

Variable Documentation

actualRate = setverify(ai,'SampleRate',sampleRate)

close all

concatenate all data all_data = zeros(all_length,2)

all_length = 100*actualRate

all_t = zeros(all_length,1)

Hz dataRate = 12

draw_keypress = zeros(draw_length,1)

draw_length = 100*dataRate

end draw_rms = zeros(draw_length,2)

draw_t = zeros(draw_length,1)

filter_alpha *else draw_y = zeros(draw_length,2)

drawnow

emg_data = [.5 + .5*sin(emg_t) .5 + .5*cos(emg_t)]

emg_t = getdata(ai,actualRate/dataRate)

Hz filter_alpha = .95

function[]

Initial value:

 ProcessKeyboard(foo,evt)
        keypress = 1

end h_fig = figure

h_obj

for i

Initial value:

1:length(options.ai)
    subplot(length(options.ai)+1,1,i)
    h_raw(i) = plot(0,0,'b')

InputRange

keypress = 0

KeyPressFcn

hold on

options = paramSetup

else return

RMS

timing definitions sampleRate = 4000

ai SamplesPerTrigger = Inf

String

t = 0

texthandle = text(0,0,'Press any key to begin','HorizontalAlignment','center')

tic