System requirements and architecture, are documented, which divides the system into hardware and virtual software objects, and shows with the ways in which they interact.
A software module design methodology is demonstrated, which documents the software modules to be coded, and the manner of their interaction with the hardware and each other, along with suggestions for their verification.
Suggestions are made for coding, debugging, and verifying the virtual objects, as well as integrating them into a working program, and demonstrating that the requirements have been met.
Verification of the software modules is documented, as well as validation that they meet the software requirements.
Complete source code for the digital trombone is available by sending an email request to the author at exopiped.com. A reply will be sent with the source code attached.