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Jan Houska


Humusoft s.r.o.

Last seen: 2 jours il y a |  Actif depuis 2003

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Jan Houska is the director of applications and development at Humusoft s.r.o., the MathWorks distributor in the Czech Republic and Slovakia. Humusoft also develops Simulink Desktop Real-Time that is a part of MathWorks' product family.

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Réponse apportée
Is it possible to use xpcapi.h calls with Simulink Desktop Real Time?
Hello Howard, xpcapi.h is specific to Simulink Real-Time and you cannot use it with Simulink Desktop Real-Time. However, there ...

4 jours il y a | 0

Réponse apportée
Error: The board 'Standard Devices Joystick' has no Stream Input channels.
Hi, please use the Analog Input block for joystick axes and Digital Input block for joystick buttons. The joystick device indee...

21 jours il y a | 0

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I use the Desktop real time toolbox to run the model on its core, but why is the progress of the run always 0?
Hello, this looks like the real-time kernel is unable to attach to the hardware timer of your computer and its internal timing ...

25 jours il y a | 0

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Simulink Desktop Real-Time Kernel error: Maximum supported number of timers exceeded?
Hi @Seigan, for Packet Input block, the issue is that you don't know the number of received messages in advance. Or do you? If ...

environ 2 mois il y a | 0

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Simulink Desktop Real-Time Kernel error: Maximum supported number of timers exceeded?
Hello Seigan, just a comment to the Real-Time Sync block: if a Packet Output block (or other similar block) has a positive valu...

3 mois il y a | 0

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Simulink Desktop Real-Time Kernel error: Maximum supported number of timers exceeded?
Hi Seigan, there is a maximum of 128 timers available in the Simulink Desktop Real-Time kernel. This number is fixed in the cod...

3 mois il y a | 1

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CPU usage 100% when I use simulink desktop real time, both in connected mode and kernel mode
Hello, this behavior is normal, expected, and not a problem. Windows computes the CPU utilization by measuring the percentage ...

3 mois il y a | 0

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How can we read CAN message through Kvaser's CAN Device by Packet Input block in Simulink Desktop Real-Time?
Hello, to read raw CAN data, Vehicle Network Toolbox should not be needed. You will need to specify the output data types (deco...

4 mois il y a | 0

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Simulink communication with a second, real time process on the same Windows PC
Hi Louis, UDP is certainly a viable way to communicate between two processes on the same PC, no matter the real time. Whether S...

5 mois il y a | 0

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c-mex S-Function error in desktop real-time external mode: Error occurred while executing External Mode MEX-file 'sldrtext': Error loading real-time image: undefined symbol
Hi You-Cheng, this is because the external mode build system does not know that it should include the file myadd.c to the list ...

6 mois il y a | 0

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Undefined function or method 'sldrtkernel' for input arguments of type 'char'
Hi Ali, in R2009b, the product name was Real-Time Windows Target and the function name was rtwintgt. So please try rtwintgt -i...

7 mois il y a | 0

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How do I prevent sldrtkernel -install from hanging?
Hi Jay, it is possible that the real-time kernel service is busy communicating with another process which prevents it from bein...

8 mois il y a | 0

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Setup board or select board via popup in Simulink Desktop Real Time packet library
Hi Khalid, the driver-related parameters of the Packet Output block are specific for individual drivers and undocumented for pr...

10 mois il y a | 0

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Réponse apportée
R2024a Prerelease will not start due to OpenGL Startup Plugin Fatal Error
Hi, please go to Windows Defender and restore the file "C:\Program Files\MATLAB\R2024a\bin\win64\ddux.dll". It has been falsely...

11 mois il y a | 3

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How to implement Ethernet Communication in Simulink Desktop Real-Time
Hi Chuguang, this means that you are using a very old version of MATLAB. TCP protocol support has been added in R2018a, almost ...

12 mois il y a | 0

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How to implement Ethernet Communication in Simulink Desktop Real-Time
Hi Chuguang, it depends on what you mean by Ethernet Communication. If you mean UDP or TCP/IP (which both often work over Ether...

12 mois il y a | 0

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Réponse apportée
Simulink Desktop Real-Time Analog support for custom NI boards
Hi Fabian, if you are OK with using the Connected IO mode of Simulink Desktop Real-Time, you can try to use the block Data Acqu...

12 mois il y a | 1

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Using the block "Counter input" to measure the signal from a quadrature encoder
Hi Tobias, this typically happens when there are spurious pulses present at the encoder input pins. The most common source of s...

environ un an il y a | 0

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Which Linux kernel is compatible with Simulink Desktop Real-Time?
Hi Diego, please see the folder names in toolbox/sldrt/kernel/glnxa64 . They correspond to supported kernel versions. For Ubunt...

environ un an il y a | 1

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Using the block "Counter input" to measure the signal from a quadrature encoder
Hi Tobias, instead of the Counter Input block, you should be using the Encoder Input block to read data from the counter in qua...

environ un an il y a | 0

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Writing TLC for Level 2 M files s function
Hi Faisal, unfortunately you will not be able to write a TLC for this function that would be usable in Simulink Desktop Real-Ti...

environ un an il y a | 0

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Simulink Desktop Real-Time and UDP communication with Python
Hi Matteo, just some random thoughts that may or may not help you with your problem: All Simulink Desktop Real-Time blocks syn...

plus d'un an il y a | 0

Réponse apportée
Simulink model is not communicating with EtherCAT device despite no errors
Hi, Simulink Desktop Real-Time has no EtherCAT support that I know of. If you are using EtherCAT blocks from a library of a dif...

plus d'un an il y a | 1

Réponse apportée
Manual Switch management for Simscape simulation
Hi, for the first issue, if the discontinuity is the problem, a simple first-order delay should do the trick. However, feeding ...

plus d'un an il y a | 0

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Custum level-2 MATLAB S-function problem with desktop real-time simulink
Hi Julien, Level-2 MATLAB S-functions do not generate C code, and therefore cannot be used by Simulink Desktop Real-Time in Run...

plus d'un an il y a | 0

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Réponse apportée
Analog input block Simulink Desktop Realtime
Hi, this should indeed work, with no additional setup required. But please verify the setting of the A/D connection option - to...

plus d'un an il y a | 0

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sprintf or snprintf does not work in SLDRT kernel mode
Hi Howard, I'm not sure what is exactly your use case, but if you are using snprintf to form a message you will then send to so...

plus d'un an il y a | 0

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custom hardware interface for Simulink Desktop Real-Time
Hi Michiel, Simulink Desktop Real-Time has no specific support for IEC 61850. To implement it, it depends on what execution mod...

plus d'un an il y a | 0

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error: The model contains a block that requires to include the "dlfcn.h" header in its generated code.
Hi Wonjin, you cannot use the CAN FD Send or Receive blocks from Vehicle Network Toolbox with Simulink Desktop Real-Time. Pleas...

plus d'un an il y a | 0

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SLDRT CPU utilization when running a model in Kernel mode
Hi Howard, the fact that CPU utilization shows up as 100% when model runs in Run in Kernel mode is due to CPU power state being...

plus d'un an il y a | 1

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