Would you please let me know what is difference between two toolboxs "Simulink Coder" and "Embedded Coder"? And is there any possibility to generate c++ code from Embedded coder?
MATLAB: Difference between Simulink Coder and Embedded Coder
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Several commands are available for building models in Simulink. A comparison of some of these commands is included below.
1) CTRL+B or 'Build' button
These options generate code for the parent model and all referenced models, and obey the model’s Code Generation configuration parameters. If the 'Generate Code Only' checkbox is not enabled, these methods will also build the generated code.
2) "slbuild" command
This function allows more control over the build process.
In its simplest usage – slbuild(‘modelname’) – it is equivalent to using CTRL+B or the 'Build' button.
When used with the 'ModelReferenceCoderTarget' (called ‘ModelReferenceRTWTarget’ in R2018b and earlier) option, "slbuild" builds only model reference blocks within the specified system. As this option’s name implies, the generated code is for the target specified in the Code Generation settings (i.e. GRT, ERT, etc). This option can be helpful to see if model reference blocks will build properly without incurring the extra time of building the parent model as well. A simple way to see how this option works is to create two simple models – a ‘parent’ and ‘child’ model. The child model can be as simple as a gain block connected to an inport and outport. The parent model contains one or more model reference blocks that reference the child model. Calling "slbuild" with this option for the parent model will produce executable for the referenced child model(s).
"slbuild"’s ‘ModelReferenceSimTarget’ option is similar to the above option, but generates code for simulation in Simulink rather than for a target.
Please note that "slbuild" cannot be used for subsystems.
3) "rtwbuild" command
"rtwbuild" is similar to "slbuild", but has fewer capabilities. "slbuild" is more general, and can be used in place of "rtwbuild".
Just like "slbuild", its simplest usage – rtwbuild(‘modelname’) – is equivalent to using CTRL+B or the 'Build' button.
"rtwbuild" and "slbuild" are indeed Simulink Coder functions, but will also work with Embedded Coder. The only difference is whether your model is set up with the grt.tlc (Simulink Coder) or ert.tlc (Embedded Coder) system target file in its configuration parameters.
For more information, please follow the below links:
- "slbuild" : https://www.mathworks.com/help/simulink/slref/slbuild.html
- "rtwbuild" : https://www.mathworks.com/help/ecoder/ref/rtwbuild.html
Difference between Simulink Coder and Embedded Coder:
- Build means that MATLAB generates C-code from your Simulink model.
- Deploy means that the generated C-code is deployed (placed) on your target hardware, which is the controller of a drone in your case.
- Start means that the deployed generated C-code is started on the target hardware and starts execution.
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