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As of 2025-07-24

List of Data Types and Procedures

List of MWings-specific data types and procedures for 32-bit Arduino boards

This is a list of MWings-specific data types and procedures. Click here for a list of classes.

Structures

`BarePacket`

Stores raw data extracted from the packet received by the parent device from a child device.

MWings_Common.h

Data

Type	Name	Description
`uint8_t*`	`u8Payload`	Payload data converted to binary (excluding `:`, checksum, and `CRLF`)
`uint16_t`	`u16PayloadSize`	Byte size of the above data
`uint8_t`	`u8Checksum`	Checksum of the above data

Procedures

Type and Name	Description
`uint8_t* u8From(int)`	Gets payload data from the specified position onward
`uint8_t u8At(int)`	Gets the payload data at the specified position as an 8-bit unsigned integer
`int8_t i8At(int)`	Gets the payload data at the specified position as an 8-bit signed integer
`uint16_t u16At(int)`	Gets the payload data at the specified position as a 16-bit unsigned integer
`int16_t i16At(int)`	Gets the payload data at the specified position as a 16-bit signed integer
`uint32_t u32At(int)`	Gets the payload data at the specified position as a 32-bit unsigned integer
`int32_t i32At(int)`	Gets the payload data at the specified position as a 32-bit signed integer

`mwings::ParsedPacketBase`

Abstract structure that stores parsed data received by the parent device from a child device.

MWings_Common.h

Data

Type	Name	Description
`uint32_t`	`u32SourceSerialId`	Serial ID of the sender
`uint8_t`	`u8SourceLogicalId`	Logical device ID of the sender
`uint16_t`	`u16SequenceNumber`	Sequence number
`uint8_t`	`u8Lqi`	LQI
`uint16_t`	`u16SupplyVoltage`	Supply voltage (mV)

This abstract structure defines data that is commonly used.

Structures derived from this abstract type (e.g., ParsedAppTwelitePacket) can access the data defined here.

`ParsedAppTwelitePacket`

Derived from mwings::ParsedPacketBase

Structure that stores data received by the parent device from a child device running the “Super Easy! Standard App”.

AppTwelitePacketParser.h

Data

Type	Name	Description
`uint8_t`	`u8DestinationLogicalId`	Logical device ID of the recipient
`uint8_t`	`u8RelayCount`	Number of relays
`bool`	`bPeriodic`	`true` if the packet is a periodic transmission
`bool[4]`	`bDiChanged`	`true` if DI1–4 changed
`bool[4]`	`bDiState`	`true` if DI1–4 are in Low state
`uint16_t[4]`	`u16AiVoltage`	Input voltage of AI1–4 (mV)

Please also refer to the manual of the parent/relay app.

`ParsedAppIoPacket`

Derived from mwings::ParsedPacketBase

Structure that stores data received by the parent device from a child device running the Remote App.

AppIoPacketParser.h

Data

Type	Name	Description
`uint8_t`	`u8RelayCount`	Number of relays
`bool[12]`	`bDiState`	`true` if each DI is in Low state
`bool[12]`	`bDiValid`	`true` if each DI is valid
`bool[12]`	`bDiInterrupt`	`true` if each DI has changed by interrupt

Please also refer to the manual of the parent/relay app.

`ParsedAppAriaPacket`

Derived from mwings::ParsedPacketBase

Structure that stores data received by the parent device from a child device running the Aria App (TWELITE ARIA mode).

AppAriaPacketParser.h

Data

Type	Name	Description
`uint32_t`	`u32RouterSerialId`	Serial ID of the first relay device `0x80000000` if not relayed (v1.2.2+)
`int16_t`	`i16Temp100x`	Temperature ×100 (Celsius)
`uint16_t`	`u16Humid100x`	Relative humidity ×100 (%)
`uint8_t`	`u8MagnetState`	Magnet Event ID
`bool`	`bMagnetStateChanged`	`true` if magnet sensor state changed

Magnet Event ID

ID	Description
`0x00`	No magnet nearby
`0x01`	North pole is nearby
`0x02`	South pole is nearby

Please also refer to the manual of the parent/relay app.

`ParsedAppCuePacket`

Derived from mwings::ParsedPacketBase

Structure that stores data received by the parent device from a child device running the Cue App (TWELITE CUE mode).

AppCuePacketParser.h

Data

Type	Name	Description
`uint32_t`	`u32RouterSerialId`	Serial ID of the first relay device `0x80000000` if not relayed (v1.2.2+)
`int16_t[10]`	`i16SamplesX`	X-axis acceleration samples (mG)
`int16_t[10]`	`i16SamplesY`	Y-axis acceleration samples (mG)
`int16_t[10]`	`i16SamplesZ`	Z-axis acceleration samples (mG)
`uint8_t`	`u8SampleCount`	Number of samples
`bool`	`bHasAccelEvent`	`true` if there is an acceleration event
`uint8_t`	`u8AccelEvent`	Acceleration Event ID
`uint8_t`	`u8MagnetState`	Magnet Event ID
`bool`	`bMagnetStateChanged`	`true` if magnet sensor state changed

Acceleration Event ID

ID	Description
`0x01`~`0x06`	Dice
`0x08`	Shake
`0x10`	Move

Magnet Event ID

ID	Description
`0x00`	No magnet nearby
`0x01`	North pole is nearby
`0x02`	South pole is nearby

Please also refer to the manual of the parent/relay app.

`ParsedAppPalAmbPacket`

Derived from mwings::ParsedPacketBase

Structure that stores data received by the parent device from a child device running the Pal App (environment sensor Pal).

AppPalAmbPacketParser.h

Data

Type	Name	Description
`uint32_t`	`u32RouterSerialId`	Serial ID of the first relay device `0x80000000` if not relayed (v1.2.2+)
`uint16_t`	`u16Ai1Voltage`	AI1 input voltage (mV)
`int16_t`	`i16Temp100x`	Temperature ×100 (Celsius)
`uint16_t`	`u16Humid100x`	Relative humidity ×100 (%)
`uint32_t`	`u32Illuminance`	Illuminance (lux)

Please also refer to the manual of the parent/relay app.

`ParsedAppPalMotPacket`

Derived from mwings::ParsedPacketBase

Structure that stores data received by the parent device from a child device running the Pal App (motion sensor Pal).

AppPalMotPacketParser.h

Data

Type	Name	Description
`uint32_t`	`u32RouterSerialId`	Serial ID of the first relay device `0x80000000` if not relayed (v1.2.2+)
`uint16_t`	`u16Ai1Voltage`	AI1 input voltage (mV)
`int16_t[16]`	`i16SamplesX`	X-axis acceleration samples (mG)
`int16_t[16]`	`i16SamplesY`	Y-axis acceleration samples (mG)
`int16_t[16]`	`i16SamplesZ`	Z-axis acceleration samples (mG)
`uint8_t`	`u8SampleCount`	Number of samples
`uint16_t`	`u16SamplingFrequency`	Sampling frequency (Hz)

Please also refer to the manual of the parent/relay app.

`ParsedAppPalOpenClosePacket`

Derived from mwings::ParsedPacketBase

Structure that stores data received by the parent device from a child device running the Pal App (open/close sensor Pal).

AppPalOpenClosePacketParser.h

Data

Type	Name	Description
`uint32_t`	`u32RouterSerialId`	Serial ID of the first relay device `0x80000000` if not relayed (v1.2.2+)
`uint16_t`	`u16Ai1Voltage`	AI1 input voltage (mV)
`uint8_t`	`u8MagnetState`	Magnet Event ID
`bool`	`bMagnetStateChanged`	`true` if magnet sensor state changed

Magnet Event ID

ID	Description
`0x00`	No magnet nearby
`0x01`	North pole is nearby
`0x02`	South pole is nearby

Please also refer to the manual of the parent/relay app.

`ParsedAppUartAsciiPacket`

Derived from mwings::ParsedPacketBase

Structure that stores data received by the parent device from a child device running the serial communication app (A mode, simple format).

AppUartAsciiPacketParser.h

Data

Type	Name	Description
`uint8_t`	`u8CommandId`	Command type (response ID)
`uint8_t*`	`u8Data`	Data
`uint16_t`	`u16DataSize`	Data length

Please also refer to the manual of the parent/relay app.

`ParsedAppUartAsciiExtendedPacket`

Derived from mwings::ParsedPacketBase

Structure that stores data received by the parent device from a child device running the serial communication app (A mode, extended format).

AppUartAsciiExtendedPacketParser.h

Data

Type	Name	Description
`uint32_t`	`u32DestinationSerialId`	Destination serial ID
`uint8_t`	`u8CommandId`	Command type (response ID)
`uint8_t*`	`u8Data`	Data
`uint16_t`	`u16DataSize`	Data length

Please also refer to the manual of the parent/relay app.

`ParsedActPacket`

Derived from mwings::ParsedPacketBase

Structure that stores data received by the parent device from a child device running the act app.

ActPacketParser.h

Data

Type	Name	Description
`uint8_t`	`u8CommandId`	Command type (response ID)
`uint8_t*`	`u8Data`	Data
`uint16_t`	`u16DataSize`	Data length

Please also refer to the manual of the parent/relay app.

`mwings::CommandBase`

Abstract structure that stores command data sent from the parent device to a child device.

MWings_Common.h

Data

Type	Name	Description
`uint8_t`	`u8DestinationLogicalId`	Destination logical device ID

Procedures

Type and Name	Description
`bool isValid()`	Returns `true` if the data is valid (pure virtual function)

This abstract structure defines data and procedures that are commonly used.

Structures derived from this abstract type (e.g., AppTweliteCommand) can access the data and procedures defined here.

`AppTweliteCommand`

Derived from mwings::CommandBase

Structure that stores command data sent from the parent device to a child device running the “Super Easy! Standard App”.

AppTweliteCommandSerializer.h

Data

Type	Name	Description
`bool[4]`	`bDiToChange`	`true` to change the state of each DO1-4
`bool[4]`	`bDiState`	`true` to set each DO1-4 to Low state
`bool[4]`	`bPwmToChange`	`true` to change the state of each PWM1-4
`uint16_t[4]`	`u16PwmDuty`	Duty ratio of each PWM1-4 (0-1024)

Please also refer to the manual of the “Super Easy! Standard App”.

`AppIoCommand`

Derived from mwings::CommandBase

Structure that stores command data sent from the parent device to a child device running the Remote App.

AppIoCommandSerializer.h

Data

Type	Name	Description
`bool[12]`	`bDiToChange`	`true` to change the state of each O1-12
`bool[12]`	`bDiState`	`true` to set each O1-12 to Low state

`AppPalNoticeCommand`

Derived from mwings::CommandBase

Structure that stores command data sent from the parent device to a child device running the Pal App (Notifier Pal).

AppPalNoticeCommandSerializer.h

Data

Type	Name	Description
`AppPalNoticeColor`	`eColor`	Lighting color
`AppPalNoticeBlinkSpeed`	`eBlinkSpeed`	Blinking speed
`uint8_t`	`u8Brightness`	Brightness (0-15)
`uint16_t`	`u16DurationInSec`	Lighting duration (seconds)

Please also refer to the manual of the parent/relay app.

`AppPalNoticeDetailedCommand`

Derived from mwings::CommandBase

Structure that stores command data sent from the parent device to a child device running the Pal App (Notifier Pal) — detailed format.

AppPalNoticeDetailedCommandSerializer.h

Data

Type	Name	Description
`AppPalNoticeRGBWColor`	`sRGBWColor`	Lighting color (RGBW)
`uint8_t`	`u8BlinkDutyPercentage`	Lighting time ratio (%)
`float`	`fBlinkPeriodInSec`	Blinking period (seconds)
`uint16_t`	`u16DurationInSec`	Lighting duration (seconds)

Please also refer to the manual of the parent/relay app.

`AppPalNoticeEventCommand`

Derived from mwings::CommandBase

Structure that stores command data (detailed format) sent from the parent device to a child device running the Pal App (Notifier Pal).

AppPalNoticeEventCommandSerializer.h

Data

Type	Name	Description
`uint8_t`	`u8EventId`	Event ID (0x00-0x10)

Please also refer to the manual of the parent/relay app.

`AppUartAsciiCommand`

Derived from mwings::CommandBase

Structure that stores command data (simple format) sent from the parent device to a child device running the serial communication app (A mode).

AppUartAsciiCommand.h

Data

Type	Name	Description
`uint8_t`	`u8CommandId`	Command type (response ID)
`uint8_t*`	`u8Data`	Data
`uint16_t`	`u16DataSize`	Data length

Command data represented by AppUartAsciiCommand does not require serialization.

Call Twelite.send() directly as shown below:

Twelite.send(command.u8DestinationLogicalId, command.u8CommandId,
                 command.u8Data, command.u16DataSize);

Please also refer to the manual of the parent/relay app.

`AppPalNoticeRGBWColor`

Structure that defines the lighting color (RGBW) used in AppPalNoticeDetailedCommand.

AppPalNoticeDetailedCommandSerializer.h

Data

Type	Name	Description
`uint8_t`	`red`	R (0-15)
`uint8_t`	`green`	G (0-15)
`uint8_t`	`blue`	B (0-15)
`uint8_t`	`white`	W (0-15)

Procedures

Type and Name	Description
`bool isValid()`	Returns `true` if the data is valid
`uint16_t u16()`	Returns a 16-bit unsigned integer with RGBW packed in order from LSB, 4 bits each

Enumerations

`AppPalNoticeColor`

enum class based on uint8_t ?

Enumeration that defines the lighting color used in AppPalNoticeCommand.

AppPalNoticeCommandSerializer.h

Identifier	Value	Description
`AppPalNoticeColor::RED`	`0`	Red
`AppPalNoticeColor::GREEN`	`1`	Green
`AppPalNoticeColor::BLUE`	`2`	Blue
`AppPalNoticeColor::YELLOW`	`3`	Yellow
`AppPalNoticeColor::PURPLE`	`4`	Purple
`AppPalNoticeColor::LIGHT_BLUE`	`5`	Light blue
`AppPalNoticeColor::WHITE`	`6`	White
`AppPalNoticeColor::WARM_WHITE`	`7`	Warm white

`AppPalNoticeBlinkSpeed`

enum class based on uint8_t

Enumeration that defines the blinking speed used in AppPalNoticeCommand.

AppPalNoticeCommandSerializer.h

Identifier	Value	Description
`AppPalNoticeBlinkSpeed::ALWAYS_ON`	`0`	Always on
`AppPalNoticeBlinkSpeed::SLOW`	`1`	Slow blinking
`AppPalNoticeBlinkSpeed::MEDIUM`	`2`	Medium blinking
`AppPalNoticeBlinkSpeed::FAST`	`3`	Fast blinking

Other Data Types

Procedures

`GetAppTweliteSerializedCommandPayloadSize()`

constexpr function ?

Returns the payload size (in bytes) of the serialized fixed-length data for AppTweliteCommand.

AppTweliteCommandSerializer.h

Type and Name	Description
`int GetAppTweliteSerializedCommandPayloadSize()`	Returns the number of bytes

`GetAppAppPalNoticeSerializedCommandPayloadSize()`

constexpr function

Returns the payload size (in bytes) of the serialized fixed-length data for AppPalNoticeCommand.

AppPalNoticeCommandSerializer.h

Type and Name	Description
`int GetAppPalNoticeSerializedCommandPayloadSize()`	Returns the number of bytes

`GetAppAppPalNoticeDetailedSerializedCommandPayloadSize()`

constexpr function

Returns the payload size (in bytes) of the serialized fixed-length data for AppPalNoticeDetailedCommand.

AppPalNoticeDetailedCommandSerializer.h

Type and Name	Description
`int GetAppPalNoticeDetailedSerializedCommandPayloadSize()`	Returns the number of bytes

`GetAppAppPalNoticeEventSerializedCommandPayloadSize()`

constexpr function

Returns the payload size (in bytes) of the serialized fixed-length data for AppPalNoticeEventCommand.

AppPalNoticeEventCommandSerializer.h

Type and Name	Description
`int GetAppPalNoticeEventSerializedCommandPayloadSize()`	Returns the number of bytes