get-temp-f
wayland/ds18b20/get-temp-f
Get temperature of DS18B20 device with specified address.
get-temp-f
@/get-temp-f
Get temperature of DS18B20 device with specified address.
DEV@/ds18b20-devices
One of more DS18B20 devices on a singe one-wire bus.
ADDR0byte
1st byte of address.
ADDR1byte
2nd byte of address.
ADDR2byte
3rd byte of address.
ADDR3byte
4th byte of address.
ADDR4byte
5th byte of address.
ADDR5byte
6th byte of address.
ADDR6byte
7th byte of address.
ADDR7byte
8th byte of address.
UPDpulse
Update
DONEpulse
Pulse on read of temperature.
TempFnumber
Temperature in degrees Fahrenheit.
C++ implementation
node {
void evaluate(Context ctx) {
if (!isInputDirty<input_UPD>(ctx))
return;
auto sensors = getValue<input_DEV>(ctx);
DeviceAddress devAddr;
devAddr[0] = getValue<input_ADDR0>(ctx);
devAddr[1] = getValue<input_ADDR1>(ctx);
devAddr[2] = getValue<input_ADDR2>(ctx);
devAddr[3] = getValue<input_ADDR3>(ctx);
devAddr[4] = getValue<input_ADDR4>(ctx);
devAddr[5] = getValue<input_ADDR5>(ctx);
devAddr[6] = getValue<input_ADDR6>(ctx);
devAddr[7] = getValue<input_ADDR7>(ctx);
emitValue<output_TempF>(ctx, sensors->getTempF(devAddr));
emitValue<output_DONE>(ctx, 1);
}
}