get-ch-clear
wayland/as7343-spectrometer/get-ch-clear
Get the most recent measurement from the "clear" (unfiltered) channel.
get-ch-clear
@/get-ch-clear
Get the most recent measurement from the "clear" (unfiltered) channel.
DEV@/as7343-device
An as7343-device.
UPDpulse
Update.
DONEpulse
Pulse on read.
VALUEnumber
Raw measurement from the "clear" (unfiltered) channel.
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);
uint16_t cl, cl0, cl1, avg;
cl = sensor->getChannel(AS7343_CHANNEL_CLEAR);
cl0 = sensor->getChannel(AS7343_CHANNEL_CLEAR_0);
cl1 = sensor->getChannel(AS7343_CHANNEL_CLEAR_1);
avg = round((cl+cl0+cl1)/3);
emitValue<output_VALUE>(ctx, avg);
emitValue<output_DONE>(ctx, 1);
}
}