[L0adra‐Tracker] Manage SD content trhough serial connection.

This document describe how to manage L0adra-Tracker SD content through a serial connection.

Prerequisites

• L0adra-SD-Transfer sketch has to be uploaded first

• a serial terminal (arduino's one, CoolTerm, ...) must be opened at 115200 Bauds

N.B. In the following, the L0adra-Tracker is assumed to expose /dev/cu.usbserial-0001