PX4-Autopilot/docs/en/msg_docs/Vtx.md

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Vtx (UORB message)

TOPICS: vtx

Fields

Name	Type	Unit [Frame]	Range/Enum	Description
timestamp	uint64			time since system start (microseconds)
protocol	uint8
device	uint8
mode	uint8
band	int8			Band number (0-23), negative values indicate frequency mode
channel	int8			Channel number (0-15), negative values indicate frequency mode
frequency	uint16			Frequency in MHz, zero indicates unknown
band_letter	uint8			Band letter as ASCII
band_name	uint8[12]			Band name in ASCII without null termination
power_level	int8			Current power level (0-15), negative values indicate unknown
power_label	uint8[4]			Current power label in ASCII without null termination

Constants

Name	Type	Value	Description
BAND_NAME_LENGTH	uint8	12
POWER_LABEL_LENGTH	uint8	4
PROTOCOL_NONE	uint8	0	No protocol is detected, usually an error
PROTOCOL_SMART_AUDIO_V1	uint8	10
PROTOCOL_SMART_AUDIO_V2	uint8	20
PROTOCOL_SMART_AUDIO_V2_1	uint8	21
PROTOCOL_TRAMP	uint8	100
DEVICE_UNKNOWN	uint8	0
DEVICE_PEAK_THOR_T67	uint8	20
DEVICE_RUSH_MAX_SOLO	uint8	40
MODE_NORMAL	uint8	0
MODE_PIT	uint8	1

Source Message

Source file (GitHub)

::: details Click here to see original file

uint64 timestamp # time since system start (microseconds)

uint8 BAND_NAME_LENGTH = 12
uint8 POWER_LABEL_LENGTH = 4

uint8 PROTOCOL_NONE = 0              # No protocol is detected, usually an error
uint8 PROTOCOL_SMART_AUDIO_V1 = 10
uint8 PROTOCOL_SMART_AUDIO_V2 = 20
uint8 PROTOCOL_SMART_AUDIO_V2_1 = 21
uint8 PROTOCOL_TRAMP = 100
uint8 protocol

uint8 DEVICE_UNKNOWN = 0
uint8 DEVICE_PEAK_THOR_T67 = 20
uint8 DEVICE_RUSH_MAX_SOLO = 40
uint8 device

uint8 MODE_NORMAL = 0
uint8 MODE_PIT = 1
uint8 mode

# Band and Channel are 0-indexed! But the user expects a 1-indexed display!
int8 band        # Band number (0-23), negative values indicate frequency mode
int8 channel     # Channel number (0-15), negative values indicate frequency mode
uint16 frequency # Frequency in MHz, zero indicates unknown

uint8 band_letter   # Band letter as ASCII
uint8[12] band_name # Band name in ASCII without null termination

# Also 0-indexed, but the user expects a 1-indexed display!
int8 power_level     # Current power level (0-15), negative values indicate unknown
uint8[4] power_label # Current power label in ASCII without null termination

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