Joystick minimal documentation

Author: vcrocher

Joystick/README.md

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+# FourierEMU-CORC-UI
+## Joystick / Pendant
+
+CAD files and firmware (Arduino project) to manage a minimal pendant equipped with two push-buttons and a small display allowing to control some parts of the Unity UI conveniently (from the robot handle/patient's wrist).
+
+The pendant communicate with main PC (running Unity UI) using a serial communication protocol (115200 bps). Communication as follows:
+
+From PC to Pendant:
+ - S[D/A/M] to switch to Deweight, Assist or Mob mode
+ - P[val] to update progress value (0-100) in Assist mode
+
+From Pendant to PC:
+ - B[0/1][0/1] when a button has been pressed (rising transition) with status of each button