read-all-channels
wayland/as7341-spectrometer/read-all-channels
Read all channels and store measurements in an internal buffer. To retrieve a measurement for a specific channel, use the appropriate get-ch-* node.
read-all-channels
@/read-all-channels
Read all channels and store measurements in an internal buffer. To retrieve a measurement for a specific channel, use the appropriate get-ch-* node.
DEV@/as7341-device
An as7341-device.
UPDpulse
Update. Pulse triggers read.
DONEpulse
Pulse on successful read.
C++ implementation
#pragma XOD evaluate_on_pin disable
#pragma XOD evaluate_on_pin enable input_UPD
node {
void evaluate(Context ctx) {
// The node responds only if there is an input pulse
if (!isInputDirty<input_UPD>(ctx))
return;
auto sensor = getValue<input_DEV>(ctx);
if (!sensor->readAllChannels()) {
raiseError(ctx);
return;
}
emitValue<output_DONE>(ctx, 1);
}
}