get-device-count
wayland/ds18b20/get-device-count
Count number of devices on the bus.
get-device-count
@/get-device-count
Count number of devices on the bus.
DEV@/ds18b20-devices
One or more DS18B20 temperature sensors on a single one-wire bus.
UPDpulse
Update.
DONEpulse
Pulse when finished counting.
Ntempnumber
Number of DS18B20 temperature sensors on the one-wire bus.
Ndevnumber
Number of devices on the one-wire bus. Includes non-DS18B20 devices.
C++ implementation
node {
void evaluate(Context ctx) {
if (!isInputDirty<input_UPD>(ctx))
return;
auto sensors = getValue<input_DEV>(ctx);
emitValue<output_Ndev>(ctx, sensors->getDeviceCount());
emitValue<output_Ntemp>(ctx, sensors->getDS18Count());
emitValue<output_DONE>(ctx, 1);
}
}