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Message Types

This is a list of all message types as extracted from the Pax mobile application. The names are identical to what the app calls them.

Name

 Description ID Era Pax 3
Read Write Read Write
ATTRIBUTE_ACTUAL_TEMP Actual temperature of the heater 1 ❌ ❌ ✅ ❌
ATTRIBUTE_HEATER_SET_POINT Set temperature of the device’s heater 2 ✅ ✅ ✅ ✅
ATTRIBUTE_BATTERY   3 ✅ ❌ ❌ ❌
ATTRIBUTE_USAGE   4 ✅ ❌ ❌ ❌
ATTRIBUTE_USAGE_LIMIT   5 ✅ ❌ ❌ ❌
ATTRIBUTE_LOCKED Whether the user interface of the device is locked or not 6 ✅ ❌ ❌ ❌
ATTRIBUTE_CHARGE_STATUS   7 ✅ ❌ ❌ ❌
ATTRIBUTE_POD_INSERTED   8 ✅ ❌ ❌ ❌
ATTRIBUTE_TIME   9 ✅ ✅ ✅ ✅
ATTRIBUTE_DEVICE_NAME Display name of the device 10 ✅ ✅ ✅ ✅
ATTRIBUTE_REPLAY   13 ✅ ✅ ✅ ✅
ATTRIBUTE_GAME_MODE   15 ✅ ✅ ✅ ✅
ATTRIBUTE_HEATER_RANGES   17 ✅ ❌ ✅ ❌
ATTRIBUTE_LOG_SYNC_REQUEST   18 ✅ ❌ ❌ ❌
ATTRIBUTE_DYNAMIC_MODE Current dynamic heater profile 19 ❌ ❌ ✅ ✅
ATTRIBUTE_COLOR_THEME Selects a fixed color scheme, or sets the raw RGB values, depending on device. 20 ✅ ✅ ✅ ✅
ATTRIBUTE_BRIGHTNESS Brightness of user interface LEDs 21 ✅ ✅ ✅ ✅
ATTRIBUTE_HAPTIC_MODE   23 ❌ ❌ ✅ ✅
ATTRIBUTE_SUPPORTED_ATTRIBUTES Indicates which properties are supported by the device; this is a 64-bit wide bitfield. 24 ✅ ✅ ✅ ✅
ATTRIBUTE_HEATING_PARAMETERS   25 ❌ ❌ ✅ ✅
ATTRIBUTE_UI_MODE   27 ✅ ❌ ❌ ❌
ATTRIBUTE_SHELL_COLOR Color of the outside of the device (?) 28 ✅ ❌ ❌ ❌
ATTRIBUTE_LOW_SOC_MODE   30 ✅ ❌ ❌ ❌
ATTRIBUTE_CURRENT_TARGET_TEMP Target temperature of the internal heater control loop 31 ❌ ❌ ✅ ❌
ATTRIBUTE_HEATING_STATE State of the heater 32 ❌ ❌ ✅ ❌
ATTRIBUTE_SESSION_CONTROL   36 ✅ ✅ ❌ ❌
ATTRIBUTE_HAPTICS Control over the vibration motor 40 ❌ ❌ ✅ ✅
ATTRIBUTE_LOG_REQUEST   41 ✅ ✅ ❌ ❌
ATTRIBUTE_POD_DATA   42 ❌ ❌ ❌ ❌
ATTRIBUTE_ENCRYPTION_EXCHANGE Seems to be used by Era Pro to negotiate a session key 49 ❌ ❌ ❌ ❌
ATTRIBUTE_ENCRYPTION_PACKET Seems to be used by Era Pro to negotiate a session key 50 ❌ ❌ ❌ ❌
ATTRIBUTE_BLE_DIS_DATA   52 ❌ ❌ ❌ ❌
ATTRIBUTE_FIND_MY_PAX   54 ❌ ❌ ❌ ❌
ATTRIBUTE_STATUS_UPDATE Request current values for the given attributes; the payload is a 64-bit bitfield, encoded identically to the supported attributes query. 254 ✅ ✅ ✅ ✅

At least the names and IDs are known to be accurate. The descriptions were determined through reverse engineering the code, and the device support was also determined from seeing which packets the device sent at what times.

 

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