The esptape from andrewmv

An ESPHome based Home Assistant integration for controlling a Sony TC-WE675 Tape deck over its A1 Control serial port.

Would probably work on other Sony A1 tape decks, and could likely be expanded to support other Sony A1 audio equipment.

Repository Structure

Protocol based in part on the A1/S-Link reverse engineering work of:

and:

I created a PulseView / Sigrok logic analyizer plugin to aid in the discovery of device specific codes:

Reported from the device and interpreted by ESPHome

Address	Code	Meaning	Notes
0xAC	0x00	Tape B Play	No indication of direction is provided
0xAC	0x01	Tape B Stop
0xAC	0x02	Tape B Pause
0xAC	0x04	Tape B Record	Recording started
0xAC	0x05	Tape B Eject
0xAC	0x06	Tape B Autoreverse	Valid only from Play. Playback has reached end of side, but will continue on other side or deck. Always followed by a Stop, then a Play from the appropriate deck
0xAC	0x07	Tape B Cue
0xAC	0x08	Tape B Insert
0xAC	0x0a	End of Tape B	End of side reached, no followup playback will happen. Valid from Play, RR, FF, or AMS.
0xAC	0x40	Tape A Play	No indication of direction is provided
0xAC	0x41	Tape A Stop
0xAC	0x42	Tape A Pause
0xAC	0x44	Tape A Record	Recording started
0xAC	0x45	Tape A Eject
0xAC	0x46	Tape A Autoreverse	Valid only from Play. Playback has reached end of side, but will continue on other side or deck. Always followed by a Stop, then a Play from the appropriate deck
0xAC	0x47	Tape A Cue	Recording cued, play not yet pressed
0xAC	0x48	Tape A Insert
0xAC	0x4a	End of Tape A	End of side reached, no followup playback will happen. Valid from Play, RR, FF, or AMS.

Sent to and interpreted by the device

Address	Command	Result
0xA4	0x00	Deck B Play (Current Direction)
0xA4	0x01	Deck B Stop
0xA4	0x02	Deck B Pause (Fixed)
0xA4	0x03	Deck B Pause (Toggle)
0xA4	0x04	Deck B Rec (Current Direction)
0xA4	0x07	Deck B Rec Cue (Direction Selectable with subsequent Play)
0xA4	0x0A	Deck B FF (While Stopped – Forward) / AMS (While Playing – Current Direction)
0xA4	0x0B	Deck B RR (While Stopped – Reverse) / AMS (While Playing – Current Direction)
0xA4	0x0C	Deck B Play Forward
0xA4	0x0D	Deck B Play Backward
0xA4	0x40	Deck A Play (Current Direction)
0xA4	0x41	Deck A Stop
0xA4	0x42	Deck A Pause (Fixed)
0xA4	0x43	Deck A Pause (Toggle)
0xA4	0x44	Deck A Rec (Current Direction)
0xA4	0x47	Deck A Rec Cue
0xA4	0x4A	Deck A FF (While Stopped – Forward) / AMS (While Playing – Current Direction)
0xA4	0x4B	Deck A RR (While Stopped – Rewind) / AMS (While Playing – Current Direction)
0xA4	0x4C	Deck A Play Forward
0xA4	0x4D	Deck A Play Backward