Status messages
Implemented by status & control module
Used for custom telemetry messages generated by the DroneBridge modules or plugins.
Difference to communication messages/protocol:
Higher update rates (several times/second)
No guaranteed delivery/No response
Shorter
Received by status module on ground station via long range link (embedded in raw protocol)
UAV-RC status update message
Sent by control module on AirPi ~5Hz
AirPi low voltage = 1 if low.
Messages sent by status module to a ground control station (app)
DroneBridge system-status message
This frame is generated and sent by the status module as a UDP packet to port 1608. It is 20 bytes long and has the following structure:
Voltage status:
bit 0: if set GNDPi is on low voltage
bit 1: if set AirPi is on low voltage
DroneBridge RC-status message
Gets the RC-Channel values from the control module (ground station). The values are in between 1000 and 2000. These are the values right before they get transformed to DroneBridge RC protocol so calibration issues can be detected!
Messages received the by status module coming from a ground control station (app)
DroneBridge RC-overwrite message
Allows to overwrite the channel values sent by DroneBridge RC via the control module. Can be used by head trackers etc.. Not intended to be used for regular control of the UAV. Please modify the implementation of the control module for that purpose.
Channels set to zero will be ignored. Overwrite is only valid for 100ms. To overwrite channels for a longer period of time the update frequency of the RC-overwrite message must be >10Hz. Values must be between 1000-2000.
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