Learn MISRA-C-AVIONICS with Real Code Examples

Avoid using pointer arithmetic that can cause undefined behavior

Replace dynamic memory allocation with static buffers

Eliminate unstructured control flow (goto statements)

Use explicit type casting rules to avoid implicit conversions

Document all rule deviations and rationale for certification audits

Static analyzer flags violations; review warnings and errors

Check for implicit conversions causing runtime issues

Validate memory usage and pointer operations

Verify module interface consistency

Document deviations and update compliance reports

Run static analysis against all code modules

Validate deviations are justified and documented

Check compliance reports before build promotion

Unit test functional correctness for safety-critical modules

Integrate regression tests to maintain ongoing compliance

Compile compliant C code for embedded avionics targets

Deploy with automated compliance report for certification

Use in RTOS-based avionics systems

Distribute code modules internally with verified MISRA adherence

Include compliance documentation in safety case

Static analyzers (LDRA, PC-lint, QA-C, Polyspace)

C compilers for target avionics hardware

Code review and version control systems

Documentation tools for compliance reporting

Unit testing frameworks for embedded C

Integration with CI/CD pipelines for automated compliance checks

Linking with RTOS and hardware abstraction layers

Integration with DO-178C verification tools

Static analysis integrated into IDEs (Eclipse, Visual Studio, IAR)

External test data and simulation tools

Integrate static analysis early in development

Document deviations and justifications promptly

Modularize code to simplify compliance checking

Use compliant coding templates for new modules

Regularly review and update team practices with MISRA updates

Understanding and enforcing complex rules

Managing justified deviations

Integrating static analysis in build pipelines

Balancing performance with rule compliance

Keeping up with evolving MISRA C updates