Bash script for testing a syn6988 voice synth module

Got a device that can do voice synth and is controlled over serial. Would like to have a simple bash script to at least test that it's working. It's a SYN6988 and has some pretty decent voice synth capability for being an embedded module. Learned the basic on controlling it via reading the source of this pill dispenser robot and created a bash script so I can quickly check if my module is working.…