ac_infinity_bluetooth

Resources for BT communication with AC Infinity controller units 67/69/70

Resources

• ACInfinity_1.5.8_apktool AC Infinity Android application 1.5.8 run through APKtool
• ACInfinity_1.5.8_JADX AC Infinity Android application 1.5.8 run through JADX

Areas of interest

• BluetoothKey.java Public class defintion
• BaseProtocol.java Base class for BT communication, mostly helper functions
• CFamilialResolution.java BT frame parsing and field definitions
• ProtocolResolution.java More BT frame parsing and field definitions
• ProtocolTransformer.java Data transformation helper functions

Test setup

• RPi 4 running Raspbian Bullseye
• Built-in BT chipset
• AC Infinity Controller 69

Test process

bluetoothctl
discoverable on
scan on
# Wait for discovery packet from ACI-E like: Device CE:CA:C1:12:34:56 ACI-E
connect CE:CA:C1:12:34:56
trust CE:CA:C1:12:34:56
info CE:CA:C1:12:34:56
menu gatt
list-attributes