Gavin

Washington University in St Louis

Last seen: Today | Con actividad desde 2024

Followers: 0 Following: 0

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Programming Languages:
C++, C, MATLAB, Arduino, Assembly
Spoken Languages:
English
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Restart a USB connection
See this same issue with a solution here https://www.mathworks.com/matlabcentral/answers/2173049-how-do-i-reconnect-usb-serial-...

alrededor de 16 horas hace | 0

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inputdlg() now crashes.
My program has been running fine for months. I updated Windoze 11 as MS kept bugging me to do and now inputdlg() doesn't work. A...

2 meses hace | 1 respuesta | 0

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Respondida
Random lags while running app
Turns out it takes a LONG time to update a graph. I moved the screen updates to happen AFTER the start of the next trial and th...

3 meses hace | 0

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Pregunta

Configure a callback in App Designer to be non-interruptable
I'm using USB connected Arduino device and have the following line: configureCallback(app.PicoCom,"terminator",@app.PicoInput);...

3 meses hace | 1 respuesta | 0

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Respondida
Small change in App Designer program and now it crashes App Designer
Good riddance to etchedin!

3 meses hace | 0

| aceptada

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Random lags while running app
I have an App Designed application that collects data from an Arduino Pico. The Pico runs individual trials with accurate to su...

3 meses hace | 2 respuestas | 0

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Pregunta

istable() returns false for my table
I create a table under certain conditions, later want to check if it is a table yet. Checking in the command window I get this ...

3 meses hace | 1 respuesta | 0

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Small change in App Designer program and now it crashes App Designer
I made a few changes to my program and now this version won't load properly. It crashes App Designer so I can't close it without...

3 meses hace | 1 respuesta | 0

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App Help Text can not be edited
When I do a Save As... (to create a new version of my app. in App Designer, it now (since 2023?) asks to reload as if it was bei...

5 meses hace | 0 respuestas | 0

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Incoming USB characters lost
I have an Arduino Pico connected to MATLAB and I use Terminated (CR/LF) trigger to read the input. Each message is about 10 to 1...

6 meses hace | 0 respuestas | 0

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How do I make EditText HorizontalAlignment to the right work?
Why can't I ask my question: How do I make EditText.HorizontalAlignment = 'right' work? Description is blocked from being us...

9 meses hace | 1 respuesta | 1

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Why is trailing back space removed from my folder name?
I have a subfolder named .\results (I give the whole name) Allowing the user to change it I have name app.defOutLoc as default ...

9 meses hace | 1 respuesta | 0

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Detecting a serial port valid after disconnect/reconnect
I asked before with a long question and got no answers, so let's keep it simpler. Serial port is connected to Arduino Arduino ...

9 meses hace | 1 respuesta | 0

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Pregunta

How do I reconnect USB serial that gets lost programatically.
MatLab R2024b using AppDesigner on Windows 10 Enterprise My GUI app connects to an Arduino which sometimes looses it's connecti...

9 meses hace | 1 respuesta | 1

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How can I keep my app in front on the screen?
When certain functions are called such as uigetfile() or uigetdir() after the file or directory is chosen the AD generated app g...

12 meses hace | 1 respuesta | 0

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App Designer 2024b broken
I was fine using AD in 2023b but now with 2024b I'm finding weird things. Asking if anyone else has seen these issues. (I also r...

alrededor de 1 año hace | 0 respuestas | 0

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Not enough trace back to find error
Apparently I have {} where I should have () I guess. I get this warning but the traceback list doesn't go far enough to find my ...

alrededor de 1 año hace | 1 respuesta | 0

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Short Pause doesn't come back
Using App Designer I was running my program with no breakpoints set. Suddenly it stopped running in a place it shouldn't so I b...

alrededor de 1 año hace | 1 respuesta | 0

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Pregunta

Delete a timer object in it's callback
I have short timer callbacks to change a color from a button press or other action back to it's original color. This gives a nic...

alrededor de 1 año hace | 2 respuestas | 0

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Why did CD folder; give such a goofy error message when I just forgot ()
All good answers and I would have retracted the question once I noticed I'd forgotten the () Of course cd (apploc) is what I wa...

alrededor de 1 año hace | 0

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Compare char data in a cell {'x'} to a character 'x'
I want to find what's in my table that's in a category column 1 If you read through you will see what I tries and how I finally...

alrededor de 1 año hace | 3 respuestas | 0

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Why did CD folder; give such a goofy error message when I just forgot ()
It works other places but suddenly I can change directory K>> apploc apploc = 'C:\Users\CPSLab\Documents\OdorChoiceDev\' ...

alrededor de 1 año hace | 2 respuestas | 0

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How do I do char2num (assume Ascii)?
num2 char is easy enough num = char(122) returns 'z' ; but how can I get back to the ascii value from a char? Do I really have ...

alrededor de 1 año hace | 1 respuesta | 0

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Respondida
Error in MatLab's own routine.
Confusion between {} () and [] and when to use commas between elements and if they need quotation marks or not and if so ' ' or ...

alrededor de 1 año hace | 0

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Respondida
USB callback "terminator" fails to trigger a read when messages are close together
See answers to other ways I asked this question and related issues https://www.mathworks.com/matlabcentral/answers/2152950-in-a...

alrededor de 1 año hace | 0

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Respondida
How to develop a FIFO Circular Buffer for analyzing real-time data?
For a simpler case of needing a circular buffer to process USB or other irregularly timed input, try this: Initialize the buffe...

alrededor de 1 año hace | 0

Respondida
In App Designed app: When does a function called within another function spawn a new thread?
See where @Umar laid it out very well my related issue and provided several solutions to that part of the problem https://www.m...

alrededor de 1 año hace | 0

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Respondida
uiputfile blocks all of MatLab any error it keeps repeating, it requires CTR-ALT-DEL end task (my app) to exit
I changed from uiputfile() to uigetdir(startingFolder... as that is what I was really looking for: Where will the output files g...

alrededor de 1 año hace | 0

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Can I call a function from another function and not come back?
I am running a function which at the end either returns or calls another function. Way back in the old days in assembler I'd do...

alrededor de 1 año hace | 2 respuestas | 0

2

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Pregunta

waitfor( ) isn't working for a SerialPort
Seems simple my code does this to be sure everything has been processed from the USB port connected to an Arduino Pico. if (app...

alrededor de 1 año hace | 1 respuesta | 0

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