https://stackoverflow.com/questions/12340695/how-to-check-if-a-given-file-descriptor-stored-in-a-variable-is-still-valid

max 100% fec (2x the amount of data), this is already too much 21.10: Using more than 2x for FEC can be usefully for testing

Internally, OpenHD uses milli watt (mW) No wifi card will ever do 30W, but some cards increase their tx power a bit more when you set a higher value (

Enumerate all the ("pixel formats") we are after for a given v4l2 device

Example supported frequency: 5500 MHz [100] (20.0 dBm) (no IR, radar detection) Example not supported freq : 5885 MHz [177] (disabled)

Checks for a newline, and if detected logs the message immediately and then clears it.

Thread-safe, aka can be called from the thread injecting frame(s) in reference to the wb_link worker thread

Takes a string in the from {width}x{height}@{framerate} e.g. 1280x720@30

from https://github.com/OpenHD/Open.HD/blob/35b6b10fbeda43cd06bbfbd90e2daf29629c2f8a/openhd-status/src/statusmicroservice.cpp#L165 Return the CPU/SOC

really stupid, but for now the best solution I came up with loosely based on https://stackoverflow.com/questions/9229333/how-to-get-overall-cpu-usage-

SDL documentation: Joystick axis values are in the range (-32768 to 32767) and of type Sint16 (int16_t ) Mavlink wants uint16_t and in the range [1000

OpenHD optimization: If there are multiple RX card(s), try and show them always in the same order, Even if they were detected in a different order bet

Quite dirty, but hey ...