S function does not exist

2015 12 7
2 个回答
更新时间：2023 10 8
3 次查看（30 天）

0 个投票

Hi,
I have just installed a new library for SIMULINK called 'Aerosim Blockset' on Windows 10. After installing succesfully, when I try to run the model, it gives me the following error: * Error in S-function 'aerosonde_trim/Aerosonde UAV (Euler-angle kinematics)/Earth/WMM-2000/S-Function': S-Function 'sfunwmm' does not exist*. I have made sure that the file sfunwmm.c exists in the directory, as well as the files with extensions .def,.dsp,.dsw. I would appreciate any help!!!

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Walter Roberson
Walter Roberson 2015-12-7
编辑：Walter Roberson 2015-12-7
Did you follow the installation instructions?
http://www.u-dynamics.com/aerosim/aerosim_install.pdf
Also, which MATLAB version are you using with your Windows 10 system? If you are not using R2015b then you might have a fair bit of difficulty getting a compiler to work.
OLA ELHASSAN
OLA ELHASSAN 2015-12-7
编辑：Walter Roberson 2015-12-7
Thank you for your answer Walter.
Yes, I did. I also remembered to change the path for the block which needs the wmm.cof file. I am using R2014b.
When I installed Matlab, i got the following message:
1. The following products require a supported compiler:
MATLAB Compiler 5.2
MATLAB Builder NE 4.2.2
MATLAB Builder JA 2.3.2
Simulink Coder 8.7
Simulink Real-Time 6.1
MATLAB Coder 2.7
So now, I just installed Windows 10 SDK since I read that "For the 64-bit Windows platform, a C compiler is not supplied with MATLAB." IF that doesn't work, I will try to download R2015b.
Walter Roberson
Walter Roberson 2015-12-7
Windows 10 SDK will not work with R2014b.
OLA ELHASSAN
OLA ELHASSAN 2015-12-7
Yes, it didn't work, I will let you know if everything works after i finish installing R2015b and re-installing Aerosim.
OLA ELHASSAN
OLA ELHASSAN 2015-12-7
I have finished installing R2015b and reinstalling Aerosim but I still get the same error. Could it be due to this message I recieved after installing:
Your installation may require additional configuration steps.
1. The following products require a supported compiler:
  • Simulink Coder 8.9
  • Simulink Real-Time 6.3
  • MATLAB Coder 3.0
2. MATLAB Compiler 6.1 requires a supported compiler for creation of Excel add-ins
3. MATLAB Compiler SDK 6.1 requires the following: * .NET framework for creation of .NET assemblies and deployable archives with Excel integration
  • a supported compiler for creation of COM components, C and C++ Shared libraries
  • a Java JDK for creation of Java packages
dream sun
dream sun 2020-2-17
I meet am error when runing a demo, such as "S-Function 'sfunwmm' does not existn". I need your help, can we have a contact, my emil is heastdream@hotmail.com
Moh Ebah
Moh Ebah 2020-10-23
编辑：Moh Ebah 2020-10-23
1, install the aerosim in program file, instead of program files(x86)
2, compile the sfunction using mingw as https://www.mathworks.com/matlabcentral/answers/335824-s-function-does-not-exist
3 add src folder to matlab path using pathtool It will be solved in sha Allah I tried in 18b 64bit

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回答（2 个）

OLA ELHASSAN
OLA ELHASSAN 2015-12-9

2 个投票

I finally managed to get it to work by installing a 32 bit version of R2015b and then re-installing the Aerosim blockset. Everything is working, no more errors.

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Islam Elnady
Islam Elnady 2017-2-22
Hi Ola, Can we contact? I'm working on Aerosim Blockset and I might need your help. Kindly!
Thank you, Islam
Abdalaziz Kabeel
Abdalaziz Kabeel 2023-10-8
I have the same error but in the (S-Function 'sfunflightgear092') i have tried to compile the cpp file of this function but it does not work
i would appreciate any help

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li zengyan
li zengyan 2015-12-29

0 个投票

You are right, the aerosim block can only run in the 32 bit version of matlab, because of the "dll" files

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