get-speed-mps
wayland/gps/get-speed-mps
Read speed in metres per second.
get-speed-mps
@/get-speed-mps
Read speed in metres per second.
GPS@/gps-device
A gps-device.
UPDpulse
Update.
Donepulse
Pulse on successful read. Will only pulse if speed valid.
mpsnumber
Speed in kilometres per hour.
C++ implementation
#pragma XOD evaluate_on_pin disable
#pragma XOD evaluate_on_pin enable input_UPD
node {
void evaluate(Context ctx) {
if (!isInputDirty<input_UPD>(ctx))
return;
auto gps = getValue<input_GPS>(ctx);
if (gps->speed.isValid()){
emitValue<output_mps>(ctx, gps->speed.mps());
emitValue<output_Done>(ctx, 1);
}
}
}