Call External Device Drivers

Device drivers for protocols and target hardware are essential to many real-time development projects. For example, you can have a working device driver that you want to integrate with algorithmic code that has to read data from and write data to the I/O device that the driver supports. The code generator can produce a single set of application source files from an algorithm model and integrated driver code written in C or C++.

To call external device driver code from the Simulink^® environment, iterate through the tasks in this table.

Task	Action	More Information
1	Review your assessment of external code characteristics and integration requirements.	Choose an External Code Integration Workflow
2	Define the representation of model data for code generation.	Exchange Data Between External C/C++ Code and Simulink Model or Generated Code
3	Generate S-function and TLC files by using the Legacy Code Tool. If necessary, refine the generated code manually to meet application requirements.	Integrate C Functions Using Legacy Code Tool Import Calls to External Code into Generated Code with Legacy Code Tool
4	Verify algorithm behavior and performance by simulating the model.	Simulation
5	Configure the model for code generation.	Generate Code That Matches Appearance of External Code and Model Configuration
6	Generate code and a code generation report.	Code Generation
7	Review the generated code interface and static code metrics.	Analyze the Generated Code Interface and Static Code Metrics
8	Build an executable program from the model.	Build Integrated Code Within the Simulink Environment
9	Verify that executable program behaves and performs as expected.	Numerical Equivalence Testing
10	Verify that executable program performs as expected.	Code Execution Profiling

Related Topics

• Integrate C Functions Using Legacy Code Tool
• Import Calls to External Code into Generated Code with Legacy Code Tool
• Custom Targets