Integrating C Code with Simulink

Day 1 of 1

Integrating External C Code Using Simulink Blocks

Objective: Integrate C code into Simulink models using the C Caller and C Function blocks.

• Integrating algorithmic C code
• Integrating C code with custom data types
• Integrating code with states
• Sharing custom C code blocks

Creating S-Functions from Legacy Code

Objective: Integrate C code into a Simulink model using automated tools.

• Calling external C functions with Legacy Code Tool
• Handling states
• Sharing compiled S-functions

Writing Wrapper S-Functions

Objective: Integrate C code into a Simulink model by manually writing C MEX S-functions.

• Writing C MEX S-functions
• Calling external code from C MEX S-functions
• Work vectors
• Debugging C MEX S-functions
• Multirate C MEX S-functions

Deploying Integrated C Code

Objective: Explore the procedures and limitations for automatically generating code with Simulink Coder™.

• Generating code from C Caller and C Function blocks
• Generating code from C MEX S-functions
• Function inlining
• Integrating target-specific code

C Code Integration Methods Review

Objective: Review code integration methods and discuss the pros and cons of each.

• Review of all methods of code integration
• How to choose a code integration method

Appendix A: Integrating C++ Code

Objective: Create S-functions that are defined using the C++ language.

• Review of work vectors
• Unit delay object
• Creating a C++ S-function

Appendix B: C Code Integration with the MATLAB^® Function Block

Objective: Call external C functions from inside the MATLAB Function block.

• Calling external C routines from a MATLAB Function block

Appendix C: Integrating C Code with S-Function Builder

Objective: Create S-functions that call external C code using S-Function Builder.

• Writing a C MEX S-function with S-Function Builder
• Calling an external C routine with S-Function Builder

Appendix D: Integrating C Code with Stateflow^®

Objective: Call external C functions within action and conditions statements in Stateflow charts.

• Importing external C code to Stateflow^®
• Calling C code from C action language charts
• Calling C code from MATLAB^® action language charts