Device 09

This post is part 5 of 8 of  Sniffing the LEGO Interactive Motor

I have a 3V3 FTDI cable with me.

So:

FTDI RX -> BOOST Hub pin 6 (TX)
FTDI TX -> BOOST Hub Pin 5 (RX)
FTDI GND -> BOOST Hub Pin 3 (GND)

Just by connecting it to Port C I get a new device discovered:

0f 00 04 01 01 09 00 00 00 00 00 00 00 00 00

Device Type 09 is a new device. Don’t know what to do with it.

Adding resistors to try to emulate the BOOST Interactive Motor changes nothing.

Tried a few bash scripts to send the power up sequence of the motor… nothing changed. Perhaps bad timings?

Rewired pin 6 to CTS# instead of RX and enabled Handshaking:

stty -F /dev/ttyUSB3 crtscts 115200

Tried again without timings. Nothing changed.

So the only good new is that BOOST detects a UART device as a device of type ’09’ so future hacking will be possible… as soon as we understand it.

Series Navigation<< The power up sequence of the interactive motorProgress at last >>

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