to upload to PIC controler
consists of writing aplication in C so that script can be uploaded to PIC controler.
PIC contoler is conected to keyboard / printer.
Printer prints tickets with text (some fixed some variable)
when operator presses certan key on keyboard
Project needs 2 types of application each with a specific model of ticket
So PIC controler has BOOT Loader installed and client can choose to upload either application