I'm doing a project that involves writing to an LCD using the Arduino/Adafruit LCD library and also writes to and reads from a howebrew MIDI interface transmitting/receving on pins TX/RX and using the FortySevenEffects MIDI library.
This means I can't serial print to the IDE's debug console as the serial port is in use (and at a different baud rate to 9600 as it's MIDI).
Now a few years ago I remember doing a similar project and I found some kind of solution where I could start a CLI program in terminal (on OSX) and send debug messages to that from my code? I've been Googling for an hour or so and I just can't remember what it was.
Maybe something to do with SoftSerial?
I remember it being quite straightforward. Open terminal, start a program. No hoops to jump through from IDE. A simple line of code would send any info of my choosing.
Does anybody know how to do this or what I might be thinking of?