Squid Bay Flash Semaphore

This is the design doc for my simple and quick semaphore system for communicating small info using a flashlight. Presently its sole goal is scheduling visits with a friend, but I am leaving the system modular to be able to add different meaning later.

BASIC COMM

• ... (Start Req)
• ..- (Accept)
• -.. (Decline)
• .-- (Acknowledge)
• -.-.- (Error/Not Understood)
• .-. (Busy)
• .... (Standby)
• .--.. (Visibility Issue)
• ...---... (Urgent)
• ..--. (Abort Previous Req)

MODE SWITCH

• ..-. (Morse)
• -..- (Schedule)
• -.-- (Location)
• .-..- (Relay)
• -- (End Mode)

VISIT/INTENT

• --- (Visit Req)
• -.- (Invite Req)
• -.-. (Coming Now)
• .--. (Meet Outside)
• .-.. (Come to window) [Inadvisable; doorbell cameras]

SCHEDULE

• .... (Today)
• --.. (Tomorrow)
• --.- (Overmorrow)
• .-.-. (Weekend)
• ---- (Flexible)
• .--- (Morning)
• ..-- (Afternoon)
• ---. (Evening)
• --.-- (Night)
• .-.- (Exact Hour follows this, sent in 24 hour time, as a short flash per hour. For instance, 13 short flashes to signify 1 PM)
• -... (Suggest New Time)

RELAY

• -.-.-. (RELAY START)
• .-.-.- (RELAY END)
• ..--.. (FROM) [Followed by Sender Number]
• .--.-- (FOR) [Followed by Recipient Number]
• ----. (Broadcast) [Use to have someone signal to every node]
• .-..-. (List Cast)[Use to tell a specific list of nodes]
• ---.- (SEND) [Framing complete, transmit payload]
• [Nothing inside START-END may be interpreted unless FOR matches your node ID]