lego-mario-reveng's Introduction

Reverse Engineering of LEGO Mario, Luigi, and Peach

Overview

LEGO Mario as BLE Device

LEGO Mario is a BLE device which supports LEGO Wireless Protocol. It has six input/output devices as follows:

Port 0: 0x47 Accelerometer, Gesture?
Port 1: 0x49 Color Barcode, RGB Color
Port 2: 0x4a Pants
Port 3: 0x46 Events, Debug, and something
Port 4: 0x55 ???
Port 6: 0x14 Voltage

Color Barcode

Each color barcode is drawn with five out of nine (eight?) colors. The first two lines are always green and red as header part. The other three lines are data part. The data value can be from 0x01 to 0xd2. That means there are 0xd2 = 210 (= 7 * 6 * 5) patterns.

e.g. is 0x02. is 0xb8.
How to decode
See details

Pants

Each pants has a unique 6 bit code. The pants sensor at the bottom of LEGO Mario can detect it physically.

e.g. The normal Mario's pants is 100001 = 0x21.
See details

LEGO Wireless Protocol

Manufacturer Data

Example: 97 03 00 43 03 ff ff 00

System Type and Device Number:
- 0x43 LEGO System - Mario
- 0x44 LEGO System - Luigi
- 0x45 LEGO System - Peach
Device Capabilities:
- 0x03 Supports Central Role, Supports Peripheral Role

Hub Properties

0x03 FW Version: 5.0.00.0000
0x12 Volume: 0 - 100

Port Information [0x43]

Port ID	IO Type	Capabilities	Input Modes	Output Modes	Possible Mode Combination
0	0x47	Logical Combinable, Input	0, 1	-	[0, 1]
1	0x49	Logical Combinable, Input	0, 1	-	[0, 1]
2	0x4a	Input	0	-	-
3	0x46	Input	0, 1, 2, 3	-	-
4	0x55	Input, Output	0, 1	0, 1	-

Port Mode Information [0x44]

Port ID	Mode	Name	RAW Range	PCT Range	SI Range	Symbol	Mapping	Value Format
0	0	RAW	0 - 100	0 - 100	0 - 100	cnt	Supports NULL, Discrete	3 * 8 bit
	1	GEST	0 - 10	0 - 100	0 - 10	raw	Supports NULL, Discrete	2 * 16 bit
1	0	TAG	0 - 10	0 - 100	0 - 10	idx	Supports NULL, Discrete	2 * 16 bit
	1	RGB	0 - 10	0 - 100	0 - 10	raw	Supports NULL, Discrete	3 * 8 bit
2	0	PANT	0 - 63	0 - 100	0 - 63	idx	Supports NULL, Discrete	1 * 8 bit
3	0	CHAL	0 - 65535	0 - 100	0 - 65535	na	Supports NULL, Discrete	2 * 16 bit
	1	VERS	0 - 255	0 - 100	0 - 255	na	Supports NULL, Discrete	4 * 32 bit
	2	EVENTS	0 - 65535	0 - 100	0 - 65535	na	Supports NULL, Discrete	2 * 16 bit
	3	DEBUG	0 - 65535	0 - 100	0 - 65535	na	Supports NULL, Discrete	4 * 32 bit
4	0	FS Code	0 - 65535	0 - 100	0 - 65535	na	Supports NULL, Discrete	1 * 16 bit
	1	Events	0 - 65535	0 - 100	0 - 65535	na	Supports NULL, Discrete	2 * 16 bit

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lego-mario-reveng's Issues

Newer Mario Barcodes have new color prefix/header

https://ramblingbrick.files.wordpress.com/2021/12/img_2469-4.jpg

Instead of always starting with Blue Red, Green Red has been added. This opens up a new space for more codes, but will restrict codes such as Green Red, Blue, X, Y as they could be scanned as Blue, Red, Green, Y, X

Ripping sprites and textures from Lego Mario/Luigi/Peach

Not an issue, but yes a request: being able to extract sprites/textures that are only visible/usable on their chest, like flag animation among others.

I know the app has similar sprites, but are not equal and they aren't animated as they show up in the toy itself.

Thanks.

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