Error message for using Bits#

[Allen_Ingling]

Hi,

We recently purchased a Bits# and got the following error message when testing with a simple code for palatte animation. We never met this problem with our previous Bits++. Can anyone let us know what is wrong and how to fix it? Thanks!

I posted a similar message two days ago with a different yahoo account. I worry the previous message is not received. Hope you are not bothered by the duplicated messages.

-Min



PTB-INFO: This is Psychtoolbox-3 for Apple OS X, under Matlab 64-Bit (Version 3.0.10 - Build date: Oct 7 2012).
PTB-INFO: Type 'PsychtoolboxVersion' for more detailed version information.
PTB-INFO: Most parts of the Psychtoolbox distribution are licensed to you under terms of the MIT License, with
PTB-INFO: some restrictions. See file 'License.txt' in the Psychtoolbox root folder for the exact licensing conditions.

PTB-INFO: Broken Apple OS/X 10.7 or later detected: Using CoreVideo timestamping instead of precise vbl-irq timestamping.


PTB-INFO: You are using a multi-display setup (2 active displays):
PTB-INFO: Please read 'help MultiDisplaySetups' for specific information on the Do's, Dont's,
PTB-INFO: and possible causes of trouble and how to diagnose and resolve them.

PTB-INFO: According to the operating system, some of your connected displays do not seem to
PTB-INFO: be switched into mirror mode. For a discussion of mirror mode vs. non-mirror mode,
PTB-INFO: please read 'help MirrorMode'.


PTB-INFO: OpenGL-Renderer is ATI Technologies Inc. :: ATI Radeon HD 6770M OpenGL Engine :: 2.1 ATI-1.0.29
PTB-INFO: Renderer has 512 MB of VRAM and a maximum 494 MB of texture memory.
PTB-INFO: VBL startline = 768 , VBL Endline = -1
PTB-INFO: Beamposition queries unsupported on this system. Will try to use kernel-level vbl interrupts as fallback.
PTB-INFO: Measured monitor refresh interval from VBLsync = 11.763242 ms [85.010580 Hz]. (50 valid samples taken, stddev=0.003011 ms.)
PTB-INFO: Reported monitor refresh interval from operating system = 11.764704 ms [85.000015 Hz].
PTB-INFO: Small deviations between reported values are normal and no reason to worry.
PTB-INFO: Psychtoolbox imaging pipeline starting up for window with requested imagingmode 1027 ...
PTB-INFO: Will use 8 bits per color component framebuffer for stimulus drawing.
PTB-INFO: Will use 8 bits per color component framebuffer for stimulus post-processing (if any).
LoadIdentityClut: Info: Could not use GPU low-level setup for setup of pixel passthrough. Will use fallback method.
LoadIdentityClut: Info: If you have an AMD/ATI GPU, you may get this working by loading the PsychtoolboxKernelDriver
LoadIdentityClut: Info: on OS/X or using a Linux system properly setup with PsychLinuxConfiguration.
Building a fragment shader:Reading shader from file /Applications/Psychtoolbox/PsychOpenGL/PsychGLSLShaders/RGBMultiLUTLookupCombine_FormattingShader.frag.txt ...
PTB-ERROR: Bits++ CLUT encoding failed. No suitable CLUT set in Screen('LoadNormalizedGammaTable'). Skipped!
PTB-ERROR: Failed in processing of Hookchain 'LeftFinalizerBlitChain' : Slot 1: Id='Builtin:RenderClutBits++' --> Aborting chain processing. Set verbosity to 5 for extended debug output.
PTB-ERROR: Bits++ CLUT encoding failed. No suitable CLUT set in Screen('LoadNormalizedGammaTable'). Skipped!
PTB-ERROR: Failed in processing of Hookchain 'LeftFinalizerBlitChain' : Slot 1: Id='Builtin:RenderClutBits++' --> Aborting chain processing. Set verbosity to 5 for extended debug output.
PTB-ERROR: Bits++ CLUT encoding failed. No suitable CLUT set in Screen('LoadNormalizedGammaTable'). Skipped!
PTB-ERROR: Failed in processing of Hookchain 'LeftFinalizerBlitChain' : Slot 1: Id='Builtin:RenderClutBits++' --> Aborting chain processing. Set verbosity to 5 for extended debug output.
PTB-ERROR: Bits++ CLUT encoding failed. No suitable CLUT set in Screen('LoadNormalizedGammaTable'). Skipped!
PTB-ERROR: Failed in processing of Hookchain 'LeftFinalizerBlitChain' : Slot 1: Id='Builtin:RenderClutBits++' --> Aborting chain processing. Set verbosity to 5 for extended debug output.
PTB-ERROR: Bits++ CLUT encoding failed. No suitable CLUT set in Screen('LoadNormalizedGammaTable'). Skipped!
PTB-ERROR: Failed in processing of Hookchain 'LeftFinalizerBlitChain' : Slot 1: Id='Builtin:RenderClutBits++' --> Aborting chain processing. Set verbosity to 5 for extended debug output.
PTB-ERROR: Bits++ CLUT encoding failed. No suitable CLUT set in Screen('LoadNormalizedGammaTable'). Skipped!

[Allen_Ingling]

Hi Mario,

Thanks for your suggestion! I tried your Bits++ demos, BitsPlusImagingTest and MinimumMotionExp. Neither of them worked.

When running BitsPlusImagingTest, I saw a yellow square on the upper left quadrant. It never changed with the keystrokes. A single line of pixels on the upper left corner of the monitor did change with the keystrokes.

When running MinimumMotionExp at the Bits++ mode, I saw grayscale static windmill. But the code worked well when I didn't use the Bits++ mode.

Below are the messages for running these two demos. I noticed that both messages mentioned PsychtoolboxKernelDriver. Do you think I should install it? Thanks!

>> BitsPlusImagingTest

PTB-INFO: This is Psychtoolbox-3 for Apple OS X, under Matlab 64-Bit (Version 3.0.10 - Build date: Oct 7 2012).
PTB-INFO: Type 'PsychtoolboxVersion' for more detailed version information.
PTB-INFO: Most parts of the Psychtoolbox distribution are licensed to you under terms of the MIT License, with
PTB-INFO: some restrictions. See file 'License.txt' in the Psychtoolbox root folder for the exact licensing conditions.

PTB-INFO: Broken Apple OS/X 10.7 or later detected: Using CoreVideo timestamping instead of precise vbl-irq timestamping.


PTB-INFO: You are using a multi-display setup (2 active displays):
PTB-INFO: Please read 'help MultiDisplaySetups' for specific information on the Do's, Dont's,
PTB-INFO: and possible causes of trouble and how to diagnose and resolve them.

PTB-INFO: According to the operating system, some of your connected displays do not seem to
PTB-INFO: be switched into mirror mode. For a discussion of mirror mode vs. non-mirror mode,
PTB-INFO: please read 'help MirrorMode'.


PTB-INFO: OpenGL-Renderer is ATI Technologies Inc. :: ATI Radeon HD 6770M OpenGL Engine :: 2.1 ATI-1.0.29
PTB-INFO: Renderer has 512 MB of VRAM and a maximum 494 MB of texture memory.
PTB-INFO: VBL startline = 768 , VBL Endline = -1
PTB-INFO: Beamposition queries unsupported on this system. Will try to use kernel-level vbl interrupts as fallback.
PTB-INFO: Measured monitor refresh interval from VBLsync = 11.763313 ms [85.010061 Hz]. (50 valid samples taken, stddev=0.004460 ms.)
PTB-INFO: Reported monitor refresh interval from operating system = 11.764704 ms [85.000015 Hz].
PTB-INFO: Small deviations between reported values are normal and no reason to worry.
PTB-INFO: Support for fast OffscreenWindows enabled.
LoadIdentityClut: Info: Could not use GPU low-level setup for setup of pixel passthrough. Will use fallback method.
LoadIdentityClut: Info: If you have an AMD/ATI GPU, you may get this working by loading the PsychtoolboxKernelDriver
LoadIdentityClut: Info: on OS/X or using a Linux system properly setup with PsychLinuxConfiguration.
Setting to value 0 -- Press any key to continue.
Setting to value 0.0526316 -- Press any key to continue.
Setting to value 0.105263 -- Press any key to continue.
Setting to value 0.157895 -- Press any key to continue.
Setting to value 0.210526 -- Press any key to continue.
Setting to value 0.263158 -- Press any key to continue.
Setting to value 0.315789 -- Press any key to continue.
Setting to value 0.368421 -- Press any key to continue.
Setting to value 0.421053 -- Press any key to continue.
Setting to value 0.473684 -- Press any key to continue.
Setting to value 0.526316 -- Press any key to continue.
Setting to value 0.578947 -- Press any key to continue.
Setting to value 0.631579 -- Press any key to continue.
Setting to value 0.684211 -- Press any key to continue.
Setting to value 0.736842 -- Press any key to continue.
Setting to value 0.789474 -- Press any key to continue.
Setting to value 0.842105 -- Press any key to continue.
Setting to value 0.894737 -- Press any key to continue.
Setting to value 0.947368 -- Press any key to continue.
Setting to value 1 -- Press any key to continue.


INFO: PTB's Screen('Flip', 10) command seems to have missed the requested stimulus presentation deadline
INFO: a total of 2 times out of a total of 24 flips during this session.

INFO: This number is fairly accurate (and indicative of real timing problems in your own code or your system)
INFO: if you provided requested stimulus onset times with the 'when' argument of Screen('Flip', window [, when]);
INFO: If you called Screen('Flip', window); without the 'when' argument, this count is more of a ''mild'' indicator
INFO: of timing behaviour than a hard reliable measurement. Large numbers may indicate problems and should at least
INFO: deserve your closer attention. Cfe. 'help SyncTrouble', the FAQ section at www.psychtoolbox.org and the
INFO: examples in the PDF presentation in PsychDocumentation/Psychtoolbox3-Slides.pdf for more info and timing tips.










============================ Minimum Motion Windmill ==============================================
==A fast, precise, versatile and eternally fascinating photometric technique for the computer age==

Do you want to use the Bits++ box or DataPixx/ViewPixx for stimulation [y/n]? y
Using CRS Bits++ in Bits++ CLUT mode or DataPixx/ViewPixx in L48 mode.
For default gamma compensation (gamma = 2.7), just hit enter at the following prompt:
File with Nx3 InvGammaTablevariable listing the video outputs (0 to65536) producing r,g,b intensities ~ row index; will add .mat extension)
Or, for default gamma compensation (gamma = 2.7), just hit enter:
Number of settings per condition: 5
Name of subject (only internal use!):
File name prefix for storing new data (relative to data subdirectory, will add .mat and .txt extensions): aaa

ADAPTRGB =

0.5000 0.3100 0.2400

condition-dependent parameters in this script: innerdiameter, outerdiam, whichluminance (r:1, b:2, both:3); values, 1 row per condition are

conditionset =

11 15 3
0 2 3

Spatial dimensions displayed and quoted assume that monitor screen width = viewing distance; if not, modify constants in script.
Move trackball or mouse leftward if motion is clockwise, rightward if anticlockwise, to find the balance point.
Hit escape to save and quit early; to register a setting, press any other keyboard key or a mouse button. Setting is acknowledged by a beep
Press any key to continue...
Do you want to use the DataPixx box instead of Bits++ box for stimulation [y/n]? n


PTB-INFO: This is Psychtoolbox-3 for Apple OS X, under Matlab 64-Bit (Version 3.0.10 - Build date: Oct 7 2012).
PTB-INFO: Type 'PsychtoolboxVersion' for more detailed version information.
PTB-INFO: Most parts of the Psychtoolbox distribution are licensed to you under terms of the MIT License, with
PTB-INFO: some restrictions. See file 'License.txt' in the Psychtoolbox root folder for the exact licensing conditions.

PTB-INFO: Broken Apple OS/X 10.7 or later detected: Using CoreVideo timestamping instead of precise vbl-irq timestamping.


PTB-INFO: You are using a multi-display setup (2 active displays):
PTB-INFO: Please read 'help MultiDisplaySetups' for specific information on the Do's, Dont's,
PTB-INFO: and possible causes of trouble and how to diagnose and resolve them.

PTB-INFO: According to the operating system, some of your connected displays do not seem to
PTB-INFO: be switched into mirror mode. For a discussion of mirror mode vs. non-mirror mode,
PTB-INFO: please read 'help MirrorMode'.


PTB-INFO: OpenGL-Renderer is ATI Technologies Inc. :: ATI Radeon HD 6770M OpenGL Engine :: 2.1 ATI-1.0.29
PTB-INFO: Renderer has 512 MB of VRAM and a maximum 494 MB of texture memory.
PTB-INFO: VBL startline = 768 , VBL Endline = -1
PTB-INFO: Beamposition queries unsupported on this system. Will try to use kernel-level vbl interrupts as fallback.
PTB-INFO: Measured monitor refresh interval from VBLsync = 11.763561 ms [85.008270 Hz]. (50 valid samples taken, stddev=0.010067 ms.)
PTB-INFO: Reported monitor refresh interval from operating system = 11.764704 ms [85.000015 Hz].
PTB-INFO: Small deviations between reported values are normal and no reason to worry.
PTB-INFO: Support for fast OffscreenWindows enabled.
LoadIdentityClut: Info: Could not use GPU low-level setup for setup of pixel passthrough. Will use fallback method.
LoadIdentityClut: Info: If you have an AMD/ATI GPU, you may get this working by loading the PsychtoolboxKernelDriver
LoadIdentityClut: Info: on OS/X or using a Linux system properly setup with PsychLinuxConfiguration.

driftratehz =

2


ASSUMEDREFRESHRATE =

85.0083

Warning: Drift period is not a multiple of monitor refresh interval: rounding

> In MinimumMotionExp at 209

Stipulated drift rate: 2.000000 Hz, actual 1.976937 Hz
Trial 1 of 10
Outer Radius: 7.5degrees, Mean spatial frequency in cpd: 0.44074
Trial 2 of 10
Outer Radius: 1degrees, Mean spatial frequency in cpd: 5.7296
Trial 3 of 10
Outer Radius: 7.5degrees, Mean spatial frequency in cpd: 0.44074
Trial 4 of 10
Outer Radius: 1degrees, Mean spatial frequency in cpd: 5.7296
Trial 5 of 10
Outer Radius: 7.5degrees, Mean spatial frequency in cpd: 0.44074
Trial 6 of 10
Outer Radius: 1degrees, Mean spatial frequency in cpd: 5.7296
Trial 7 of 10
Outer Radius: 7.5degrees, Mean spatial frequency in cpd: 0.44074
Trial 8 of 10
Outer Radius: 1degrees, Mean spatial frequency in cpd: 5.7296
Trial 9 of 10
Outer Radius: 7.5degrees, Mean spatial frequency in cpd: 0.44074
Trial 10 of 10
Outer Radius: 1degrees, Mean spatial frequency in cpd: 5.7296


INFO: PTB's Screen('Flip', 10) command seems to have missed the requested stimulus presentation deadline
INFO: a total of 2 times out of a total of 8642 flips during this session.

INFO: This number is fairly accurate (and indicative of real timing problems in your own code or your system)
INFO: if you provided requested stimulus onset times with the 'when' argument of Screen('Flip', window [, when]);
INFO: If you called Screen('Flip', window); without the 'when' argument, this count is more of a ''mild'' indicator
INFO: of timing behaviour than a hard reliable measurement. Large numbers may indicate problems and should at least
INFO: deserve your closer attention. Cfe. 'help SyncTrouble', the FAQ section at www.psychtoolbox.org and the
INFO: examples in the PDF presentation in PsychDocumentation/Psychtoolbox3-Slides.pdf for more info and timing tips.

>>

--- In psychtoolbox@yahoogroups.com, "Mario" <mario.kleiner@...> wrote:
>
>
>
> Do our Bits+ Bits++ mode demos, e.g., MinimumMotionExp, work?
>
> This line...
>
> > Building a fragment shader:Reading shader from file /Applications/Psychtoolbox/PsychOpenGL/PsychGLSLShaders/RGBMultiLUTLookupCombine_FormattingShader.frag.txt ...
>
> ... looks suspicious. I don't know why it would show up in code meant to drive a Bits#, so i assume something is wrong with your script.
>
> Post the most minimal script that fails for you, so we can see what you're doing.
>
> -mario
>
>
>
> --- In psychtoolbox@yahoogroups.com, "ptbmin" wrote:
> >
> > Hi,
> >
> > We recently purchased a Bits# and got the following error message when testing with a simple code for palatte animation. We never met this problem with our previous Bits++. Can anyone let us know what is wrong and how to fix it? Thanks!
> >
> > I posted a similar message two days ago with a different yahoo account. I worry the previous message is not received. Hope you are not bothered by the duplicated messages.
> >
> > -Min
> >
> >
> >
> > PTB-INFO: This is Psychtoolbox-3 for Apple OS X, under Matlab 64-Bit (Version 3.0.10 - Build date: Oct 7 2012).
> > PTB-INFO: Type 'PsychtoolboxVersion' for more detailed version information.
> > PTB-INFO: Most parts of the Psychtoolbox distribution are licensed to you under terms of the MIT License, with
> > PTB-INFO: some restrictions. See file 'License.txt' in the Psychtoolbox root folder for the exact licensing conditions.
> >
> > PTB-INFO: Broken Apple OS/X 10.7 or later detected: Using CoreVideo timestamping instead of precise vbl-irq timestamping.
> >
> >
> > PTB-INFO: You are using a multi-display setup (2 active displays):
> > PTB-INFO: Please read 'help MultiDisplaySetups' for specific information on the Do's, Dont's,
> > PTB-INFO: and possible causes of trouble and how to diagnose and resolve them.
> >
> > PTB-INFO: According to the operating system, some of your connected displays do not seem to
> > PTB-INFO: be switched into mirror mode. For a discussion of mirror mode vs. non-mirror mode,
> > PTB-INFO: please read 'help MirrorMode'.
> >
> >
> > PTB-INFO: OpenGL-Renderer is ATI Technologies Inc. :: ATI Radeon HD 6770M OpenGL Engine :: 2.1 ATI-1.0.29
> > PTB-INFO: Renderer has 512 MB of VRAM and a maximum 494 MB of texture memory.
> > PTB-INFO: VBL startline = 768 , VBL Endline = -1
> > PTB-INFO: Beamposition queries unsupported on this system. Will try to use kernel-level vbl interrupts as fallback.
> > PTB-INFO: Measured monitor refresh interval from VBLsync = 11.763242 ms [85.010580 Hz]. (50 valid samples taken, stddev=0.003011 ms.)
> > PTB-INFO: Reported monitor refresh interval from operating system = 11.764704 ms [85.000015 Hz].
> > PTB-INFO: Small deviations between reported values are normal and no reason to worry.
> > PTB-INFO: Psychtoolbox imaging pipeline starting up for window with requested imagingmode 1027 ...
> > PTB-INFO: Will use 8 bits per color component framebuffer for stimulus drawing.
> > PTB-INFO: Will use 8 bits per color component framebuffer for stimulus post-processing (if any).
> > LoadIdentityClut: Info: Could not use GPU low-level setup for setup of pixel passthrough. Will use fallback method.
> > LoadIdentityClut: Info: If you have an AMD/ATI GPU, you may get this working by loading the PsychtoolboxKernelDriver
> > LoadIdentityClut: Info: on OS/X or using a Linux system properly setup with PsychLinuxConfiguration.
> > Building a fragment shader:Reading shader from file /Applications/Psychtoolbox/PsychOpenGL/PsychGLSLShaders/RGBMultiLUTLookupCombine_FormattingShader.frag.txt ...
> > PTB-ERROR: Bits++ CLUT encoding failed. No suitable CLUT set in Screen('LoadNormalizedGammaTable'). Skipped!
> > PTB-ERROR: Failed in processing of Hookchain 'LeftFinalizerBlitChain' : Slot 1: Id='Builtin:RenderClutBits++' --> Aborting chain processing. Set verbosity to 5 for extended debug output.
> > PTB-ERROR: Bits++ CLUT encoding failed. No suitable CLUT set in Screen('LoadNormalizedGammaTable'). Skipped!
> > PTB-ERROR: Failed in processing of Hookchain 'LeftFinalizerBlitChain' : Slot 1: Id='Builtin:RenderClutBits++' --> Aborting chain processing. Set verbosity to 5 for extended debug output.
> > PTB-ERROR: Bits++ CLUT encoding failed. No suitable CLUT set in Screen('LoadNormalizedGammaTable'). Skipped!
> > PTB-ERROR: Failed in processing of Hookchain 'LeftFinalizerBlitChain' : Slot 1: Id='Builtin:RenderClutBits++' --> Aborting chain processing. Set verbosity to 5 for extended debug output.
> > PTB-ERROR: Bits++ CLUT encoding failed. No suitable CLUT set in Screen('LoadNormalizedGammaTable'). Skipped!
> > PTB-ERROR: Failed in processing of Hookchain 'LeftFinalizerBlitChain' : Slot 1: Id='Builtin:RenderClutBits++' --> Aborting chain processing. Set verbosity to 5 for extended debug output.
> > PTB-ERROR: Bits++ CLUT encoding failed. No suitable CLUT set in Screen('LoadNormalizedGammaTable'). Skipped!
> > PTB-ERROR: Failed in processing of Hookchain 'LeftFinalizerBlitChain' : Slot 1: Id='Builtin:RenderClutBits++' --> Aborting chain processing. Set verbosity to 5 for extended debug output.
> > PTB-ERROR: Bits++ CLUT encoding failed. No suitable CLUT set in Screen('LoadNormalizedGammaTable'). Skipped!
> >
>

[Allen_Ingling]

Hi Mario,

You are right! A guy from the CRS support and also the Bits# manual suggest to add a line

PsychImaging('AddTask', 'General', 'EnableCLUTMapping');

before open the screen. Indeed, using 'General' rather than 'AllViews' avoided those error messages, but still left one suspicious message:

Building a fragment shader:Reading shader from file /Applications/Psychtoolbox/PsychOpenGL/PsychGLSLShaders/RGBMultiLUTLookupCombine_FormattingShader.frag.txt ...

When that AddTask line was removed from the script, this message didn't appear. However, in both cases (with or without the AddTask line) I could see a line of dancing pixels along the top of the screen, an indication of failure to recognize the T-Lock code.

I am guessing the unintended temporal dithering by Mountain Lion caused the problem.

Min

> Regarding your code, this line
>
> > PsychImaging('AddTask', 'AllViews', 'EnableCLUTMapping');
>
> doesn't belong there and likely causes the error messages. It is meant to allow CLUT mapping if you don't have a BitsXXX / or DataPixx/ViewPixx device. I'll add a fix to future ptb's so that such a command will be silently ignored in Bits++/Monot++ etc. mode, but for now specifying it will wreak havoc.
>
> However, it is still not clear to me why the MinimumMotionExp doesn't work out of the box for you, assuming your Bits# is switched to Bits++ mode.
>
> -mario
>
>
> > %--------------------------------------------------
> > clear all;clc;
> > KbName('UnifyKeyNames');
> > oldEnableFlag = Screen('Preference', 'TextAntiAliasing', 0);
> > dur = 10; % how long we show the demo
> >
> > try
> > AssertOpenGL;
> > ncolors = 253;
> > screens = Screen('Screens');
> > screenNumber = max(screens);
> > bkgcol = ncolors/2;
> >
> > %--- Starting to communicate with Bits# ---
> > s1 = serial('/dev/tty.usbmodemfa121');
> > fopen(s1);
> > fprintf(s1,['$BitsPlusPlus' 13]);
> > fclose(s1);
> >
> > %--- Bits++ configuration ---
> > PsychImaging('PrepareConfiguration');
> > PsychImaging('AddTask', 'General', 'EnableBits++Bits++Output');
> > PsychImaging('AddTask', 'AllViews', 'EnableCLUTMapping');
> >
> > [w, screenRect] = PsychImaging('OpenWindow', screenNumber, ncolors/2);
> > fixpos = CenterRect([0 0 1 1],screenRect);
> > oldclut = Screen('ReadNormalizedGammaTable',screenNumber);
> >
> > img = zeros(100,100);
> > tex = Screen('MakeTexture', w, img);
> >
> > newcmap = gray(ncolors);
> > newclut=zeros(256,3);newclut(1:ncolors,:) = newcmap;
> > newclut(254:256,:) = [1 1 1;0 0 0;0 0 0]; % a lookup table for 100% contrast, though it is not calibrated.
> >
> > newcmap=.5*ones(ncolors,3);
> > newclut2=zeros(256,3);newclut2(1:ncolors,:) = newcmap;
> > newclut2(254:256,:) = [1 1 1;0 0 0;0 0 0]; % a lookup table for 0% contrast.
> >
> > Screen('FillRect',w,bkgcol);
> > Screen('DrawArc',w,255,CenterRect([0 0 12 12],screenRect),0,360);
> > Screen('LoadNormalizedGammaTable',w,newclut,2);
> > Screen('Flip',w);
> >
> > DrawFormattedText(w, 'Press a key to start', 'center','center');
> > Screen('Flip',w);
> > KbWait;
> >
> > % Animation loop:
> > t0 = GetSecs;
> > Tpress = t0;
> > whichclut = 1;
> > while((GetSecs-t0) < dur)
> > Screen('DrawTexture',w,tex);
> > Screen('DrawArc', w, 255, CenterRect([0 0 12 12], screenRect), 0, 360);
> > if whichclut == 1
> > Screen('DrawText', w, 'Contrast = 0%', 150, 150, 255);
> > else
> > Screen('DrawText', w, 'Contrast = 100%', 150, 150, 255);
> > end
> > if whichclut == 1
> > Screen('LoadNormalizedGammaTable',w,newclut2,2);
> > else
> > Screen('LoadNormalizedGammaTable',w,newclut,2);
> > end
> > Screen('Flip',w);
> > [keyIsDown, secs, keyCode, deltaSecs] = KbCheck;
> > if keyIsDown && GetSecs-Tpress > .2
> > if keyCode(KbName('q')) % press q to quit the programn
> > error('quit!');
> > else
> > whichclut = 3-whichclut; % otherwise the lookup table is altered.
> > end
> > Tpress = GetSecs;
> > end
> > end;
> >
> > Screen('FillRect',w, bkgcol);
> > Screen('Flip', w);
> > Screen('LoadNormalizedGammaTable',w,oldclut);
> > Screen('Preference', 'TextAntiAliasing', oldEnableFlag);
> > Screen('CloseAll');
> >
> > %--- Stop communication with Bits# ---
> > delete(s1);
> > clear s1;
> > catch ME
> > Screen('FillRect',w, bkgcol);
> > Screen('Flip', w);
> > Screen('LoadNormalizedGammaTable',w,oldclut);
> > Screen('Preference', 'TextAntiAliasing', oldEnableFlag);
> > Screen('CloseAll');
> > %--- Stop communication with Bits# ---
> > delete(s1);
> > clear s1;
> > psychrethrow(psychlasterror);
> > end
> >
> > %--------------------------------------------------//
> >
> >
> > However, the same error messages still occurred.
> >
> > PTB-INFO: OpenGL-Renderer is ATI Technologies Inc. :: ATI Radeon HD 6770M OpenGL Engine :: 2.1 ATI-1.0.29
> > PTB-INFO: Renderer has 512 MB of VRAM and a maximum 494 MB of texture memory.
> > PTB-INFO: VBL startline = 768 , VBL Endline = -1
> > PTB-INFO: Beamposition queries unsupported on this system. Will try to use kernel-level vbl interrupts as fallback.
> > PTB-INFO: Measured monitor refresh interval from VBLsync = 11.754849 ms [85.071279 Hz]. (50 valid samples taken, stddev=0.060949 ms.)
> > PTB-INFO: Reported monitor refresh interval from operating system = 11.764704 ms [85.000015 Hz].
> > PTB-INFO: Small deviations between reported values are normal and no reason to worry.
> > PTB-INFO: Psychtoolbox imaging pipeline starting up for window with requested imagingmode 1027 ...
> > PTB-INFO: Will use 8 bits per color component framebuffer for stimulus drawing.
> > PTB-INFO: Will use 8 bits per color component framebuffer for stimulus post-processing (if any).
> > LoadIdentityClut: Info: Could not use GPU low-level setup for setup of pixel passthrough. Will use fallback method.
> > LoadIdentityClut: Info: If you have an AMD/ATI GPU, you may get this working by loading the PsychtoolboxKernelDriver
> > LoadIdentityClut: Info: on OS/X or using a Linux system properly setup with PsychLinuxConfiguration.
> > Building a fragment shader:Reading shader from file /Applications/Psychtoolbox/PsychOpenGL/PsychGLSLShaders/RGBMultiLUTLookupCombine_FormattingShader.frag.txt ...
> > PTB-ERROR: Bits++ CLUT encoding failed. No suitable CLUT set in Screen('LoadNormalizedGammaTable'). Skipped!
> > PTB-ERROR: Failed in processing of Hookchain 'LeftFinalizerBlitChain' : Slot 1: Id='Builtin:RenderClutBits++' --> Aborting chain processing. Set verbosity to 5 for extended debug output.
> > PTB-ERROR: Bits++ CLUT encoding failed. No suitable CLUT set in Screen('LoadNormalizedGammaTable'). Skipped!
> > PTB-ERROR: Failed in processing of Hookchain 'LeftFinalizerBlitChain' : Slot 1: Id='Builtin:RenderClutBits++' --> Aborting chain processing. Set verbosity to 5 for extended debug output.
> > PTB-ERROR: Bits++ CLUT encoding failed. No suitable CLUT set in Screen('LoadNormalizedGammaTable'). Skipped!
> >
> >
> >
> > I also double checked the config.xml file located in the Firmware folder which could be seen at the 'USB mass storage' mode. The lines 7 and 8 were already modified following the instruction on page 24 of the manual. And the value of TARGET_EDID was also changed from "AUTO" to the model of our monitor "SONY GDM-F520.edid". And you see, line 13 (<Entry BitsPlusPlus="ON" /> ) suggests the working mode is set to BitsPlusPlus.
> >
> > <?xml version="1.0"?>
> > <BITS_SHARP_CFG>
> > #DeviceType Is Either "VISAGE" Or "BITS#"
> > <Entry DeviceType="BITS#"/>
> > #if DeviceType Is "VISAGE" Then Other Enables Are Ignored
> > #for Bits sharp normally USB_CDC is ON only
> > <Entry USB_MSD="OFF" />
> > <Entry USB_CDC="ON" />
> > <Entry USB_HID="OFF" />
> > #set only one video mode enabled at a time
> > <Entry monoPlusPlus="OFF" />
> > <Entry colourPlusPlus="OFF" />
> > <Entry BitsPlusPlus="ON" />
> > #set only one stereo decode mode enabled at a time
> > <Entry enableBlueLineStereo="OFF" />
> > <Entry enableDDCstereo="OFF" />
> > <Entry enableTlockStereo="ON" />
> > #enable temporal dithering for LCD displays only
> > <Entry TemporalDithering="OFF" />
> > <Entry enableGammaCorrection="ON" />
> > #Sampling Mode = "1kHz" or "User"
> > <Entry samplingMode="1kHz"/>
> > #User Defined Sampling Rate For Returned Data
> > #N Samples Per Frame
> > <Entry samplesPerVideoFrame="50" />
> > #channels enabled will be returned over USB or logged to file
> > <Entry enableADC1="ON" />
> > <Entry enableADC2="ON" />
> > <Entry enableADC3="ON" />
> > <Entry enableADC4="ON" />
> > <Entry enableADC5="ON" />
> > <Entry enableADC6="ON" />
> > <Entry enableDigitalInputs="ON" />
> > <Entry enableTriggerInput="ON" />
> > <Entry TARGET_EDID="SONY GDM-F520.edid" />
> > #configure connected response box
> > #<Entry Btn1="Din0" />
> > #<Entry Btn2="Din1" />
> > #<Entry Btn3="Din2" />
> > #<Entry Btn4="Din3" />
> > <Entry Btn1="IRButtonA" />
> > <Entry Btn2="IRButtonB" />
> > <Entry Btn3="IRButtonC" />
> > <Entry Btn4="IRButtonD" />
> > <Entry Light="Null" />
> > <Entry Pulse="Null" />
> > <Entry Trigger="Null" />
> > </BITS_SHARP_CFG>
> >
> >
> > Now it seems the Bits# was connected to the iMac and installed following the instruction in the manual. Do you have any idea for further testing? I noticed another Bits# user was complaining that his Bits# did not work on his Mac mini with Mountain Lion operating system. Mine is an iMac with Mountain Lion, too. The graphic card is an ATI Radeon HD 6770M.
> >
>