Feature/sdsm encoder decoder

[willjohnsonk]

PR Details

Description

Created an encoder for SAE J3224 SDSMs so that J3224 V2X messages can be transmitted between systems. Additional updates were added to cpp_message.cpp/cpp_message.h to support this new functionality. Unit tests for encoding were created in the file test_SDSM.cpp.

Related GitHub Issue

Supports Carma Messenger Issue #205

Related Jira Key

CDAR-129

Motivation and Context

Adds required SDSM encoding to allow for transmission between systems.

How Has This Been Tested?

Carma-messenger builds successfully, all past and current unit tests pass successfully.

Types of changes

• [ ] Defect fix (non-breaking change that fixes an issue)
• [x] New feature (non-breaking change that adds functionality)
• [ ] Breaking change (fix or feature that cause existing functionality to change)

Checklist:

• [ ] I have added any new packages to the sonar-scanner.properties file
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.