"Appify" your E46 BMW with a Raspberry Pi and your smartphone! Nexus 7 in dash, connected to Raspberry Pi (via Bluetooth), which is connected to IBUS (via USB Adapter). Supports Android Wear 4.4W w/ full voice commands!
For each received IBUS packet, perform XOR checksum calculation and compare with value from received packet. Discard this packet if values do not match.
For each received IBUS packet, perform XOR checksum calculation and compare with value from received packet. Discard this packet if values do not match.