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properties.md

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The properties maintained by the cluster have a unique ID that is used by several commands.

The table below denotes which properties are applicable to which commands.

ID Property 0x24 0x2a 0x40 0x41 0x42
0x01 Time ✅ ❌ ✅ ✅ ✅
0x02 Date ✅ ❌ ✅ ✅ ✅
0x03 Temperature ✅ ❌ ❌ ✅ ❌
0x04 Consump. 1 ✅ ❌ ❌ ✅ ✅
0x05 Consump. 2 ✅ ❌ ❌ ✅ ✅
0x06 Range ✅ ❌ ❌ ✅ ✅
0x07 Distance ✅ ❌ ✅ ✅ ✅
0x08 Arrival ✅ ❌ ❌ ✅ ✅
0x09 Limit ✅ ✅ ✅ ✅ ✅
0x0a Avg. Speed ✅ ❌ ❌ ✅ ✅
0x0b PROG ❌ ❌ ❌ ❌ ❌
0x0c Memo ❌ ✅ ❌ ✅ ❌
0x0d Code ✅ ✅ ✅ ✅ ❌
0x0e Timer ✅ ✅ ❌ ✅ ✅
0x0f Aux. Timer 1 ✅ ✅ ✅ ✅ ✅
0x10 Aux. Timer 2 ✅ ✅ ✅ ✅ ✅
0x11 Aux. Heat. (Off) ❌ ✅ ❌ ✅ ❌
0x12 Aux. Heat. (On) ❌ ✅ ❌ ✅ ❌
0x13 Aux. Vent. (Off) ❌ ✅ ❌ ✅ ❌
0x14 Aux. Vent. (On) ❌ ✅ ❌ ✅ ❌
0x16 Emergency Disarm ✅ ❌ ❌ ❌ ❌
0x1a Timer (Lap) ✅ ❌ ❌ ✅ ❌
0x1b Aux. Status ❌ ❌ ❌ ✅ ❌

0x24 Output String

Cluster 0x80 → Displays 0xe7

Properties

Variable length.

Property Index Length Note
Property 0 1 See table above
Unknown 1 1 Default 00
String 2 -1 Length is fixed for given property

Examples

80 0C E7 24 01 00 20 38 3A 33 31 50 4D 73           # Time
80 0F E7 24 02 00 2D 2D 2F 2D 2D 2F 32 30 32 30 4E  # Date
80 0A E7 24 03 00 2B 32 34 2E 35 7C                 # Temp.
80 0F E7 24 04 00 32 30 2E 36 20 4C 2F 31 30 30 20  # Consump. 1
80 0F E7 24 05 30 36 66 36 24 79 58 67 6C 2D 54 68  # Consump. 2
80 0C E7 24 06 00 2D 2D 2D 20 4B 4D 20 62           # Range
80 0D E7 24 07 00 33 34 33 38 20 4B 4D 20 43        # Distance
80 0C E7 24 08 00 2D 2D 3A 2D 2D 20 20 7D           # Arrival
80 0D E7 24 09 00 2D 2D 2D 20 4D 50 48 20 3F        # Limit
80 0E E7 24 0A 00 20 30 2E 37 20 4B 4D 2F 48 0F     # Avg. Speed
80 09 E7 24 0D 00 00 00 00 00 47                    # Code
80 0F E7 24 0E 00 31 30 3A 31 30 20 4D 49 4E 20 32  # Timer
80 0C E7 24 0F 00 31 30 3A 31 30 20 20 7A           # Aux. Timer 1
80 0C E7 24 10 00 31 32 3A 30 36 41 4D 6C           # Aux. Timer 2
80 0A E7 24 16 00 30 36 3A 30 30 63                 # Emer. Deact.
80 0F E7 24 1A 00 32 34 2E 38 20 20 53 45 43 20 33  # Timer (Lap)

0x2A Output Boolean

Cluster 0x80 → Displays 0xe7

Properties

Fixed length. Two byte bitfield.

# Basically, 1 = ON, 0 = OFF.

# Byte 1

MEMO            = 0b0010_0000 << 8
TIMER           = 0b0000_1000 << 8
LIMIT           = 0b0000_0010 << 8

# Byte 2

CODE            = 0b0100_0000 << 0
AUX_HEATING     = 0b0010_0000 << 0
AUX_TIMER_2     = 0b0001_0000 << 0
AUX_VENTILATION = 0b0000_1000 << 0
AUX_TIMER_1     = 0b0000_0100 << 0

0x40 Input String

GT 0x3b → Cluster 0x80

Properties

Property Index Length Note
Property 0 1 See table above
String 1 -1 Fixed length for given property

Examples

3B 07 80 40 01 8A 2B 2D 71  # Time
3B 07 80 40 02 19 03 14 F0  # Date
3B 06 80 40 07 00 00 FA     # Distance
3B 06 80 40 09 00 14 E0     # Sped Limit
3B 06 80 40 0D 27 0F D8     # Code "9999"
3B 06 80 40 0F 8B 00 79     # Aux. Timer 1
3B 06 80 40 10 02 36 D9     # Aux. Timer 2

0x41 Input Boolean

GT 0x3b → Cluster 0x80

Properties

Fixed length. Two byte bitfield.

# Byte 1

PROPERTY                = 0b0001_1111   # See table above

# Byte 2

REQUEST_STRING          = 0b0000_0001
REQUEST_BOOLEAN         = 0b0000_0010
ON_START                = 0b0000_0100
OFF_STOP                = 0b0000_1000
RECALCULATE             = 0b0001_0000
SET_AS_CURRENT_SPEED    = 0b0010_0000

Request String 0b0000_0001

A request for a given property to be writen to the display. The cluster will reply with 0x24.

This is most frequently used by GT at ignition to request trip computer properties.

Other properties are lazy loaded when user requests a display that requires the selected property, i.e. aux. timers.

Request Boolean 0b0000_0010

A request for the status of a given property. The cluster will reply with 0x2a.

On/Start 0b0000_0100

The nuances of verbiage aside, basically "activate" the given property. There will be an applicable "activated" UI state.

  • Memo: On.
  • Speed Limit: On
  • Timer: Start
  • Aux. Timer 1: On
  • Aux. Timer 2: On

Aux. vent., aux. heating do not use these flags!

Off/Stop 0b0000_1000

You guessed it... the opposite of On/Start!

Recalculate 0b0001_0000

Does what it says on the tin.

  • Consump. 1
  • Consump. 2
  • Avg. Speed

Set As Current Speed 0b0010_0000

  • Limit: set limit to current vehicle speed

Overview

ID Property String Boolean On Off Recalc. Set.
0x01 Time ✅
0x02 Date ✅
0x03 Temperature ✅
0x04 Consump. 1 ✅ ✅
0x05 Consump. 2 ✅ ✅
0x06 Range ✅
0x07 Distance ✅
0x08 Arrival ✅
0x09 Limit ✅ ✅ ✅ ✅ ✅
0x0a Avg. Speed ✅ ✅
0x0b PROG
0x0c Memo ✅ ✅ ✅ ✅
0x0d Code ✅
0x0e Timer ✅ ✅ ✅ ✅
0x0f Aux. Timer 1 ✅ ✅ ✅ ✅
0x10 Aux. Timer 2 ✅ ✅ ✅ ✅
0x11 Aux. Heat. (Off) ⚠️ ⚠️
0x12 Aux. Heat. (On) ⚠️ ⚠️
0x13 Aux. Vent. (Off) ⚠️ ⚠️
0x14 Aux. Vent. (On) ⚠️ ⚠️
0x16 Emergency Disarm
0x1a Timer (Lap) ✅
0x1b Aux. Status ✅ ✅