MessageFormatRequest (UORB message)
TOPICS: message_formatrequest
Fields
| Name | Type | Unit [Frame] | Range/Enum | Description |
|---|---|---|---|---|
| timestamp | uint64 | time since system start (microseconds) | ||
| protocol_version | uint16 | Must be set to LATEST_PROTOCOL_VERSION. Do not change this field, it must be the first field after the timestamp | ||
| topic_name | char[50] | E.g. /fmu/in/vehicle_command |
Constants
| Name | Type | Value | Description |
|---|---|---|---|
| LATEST_PROTOCOL_VERSION | uint16 | 1 | Current version of this protocol. Increase this whenever the MessageFormatRequest or MessageFormatResponse changes. |
Source Message
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c
uint64 timestamp # time since system start (microseconds)
# Request to PX4 to get the hash of a message, to check for message compatibility
uint16 LATEST_PROTOCOL_VERSION = 1 # Current version of this protocol. Increase this whenever the MessageFormatRequest or MessageFormatResponse changes.
uint16 protocol_version # Must be set to LATEST_PROTOCOL_VERSION. Do not change this field, it must be the first field after the timestamp
char[50] topic_name # E.g. /fmu/in/vehicle_command