get-address
wayland/ds18b20/get-address
Get address of DS18B20 device at specified index (IDX).
get-address
@/get-address
Get address of DS18B20 device at specified index (IDX).
DEV@/ds18b20-devices
One or more DS18B20 temperature sensors on a single one-wire bus.
IDXnumber
Index of device on bus. Choose 0 for first device on bus.
UPDpulse
Update.
DONEpulse
Pulse on read of address.
ADDRstring
Address of DS18B20 device.
C++ implementation
node {
char str[32];
CStringView view = CStringView(str);
void evaluate(Context ctx) {
if (!isInputDirty<input_UPD>(ctx))
return;
auto sensors = getValue<input_DEV>(ctx);
uint8_t idx = getValue<input_IDX>(ctx);
DeviceAddress devAddr;
sensors->getAddress(devAddr, idx);
sprintf(str, "%02Xh-%02Xh-%02Xh-%02Xh-%02Xh-%02Xh-%02Xh-%02Xh",
devAddr[0], devAddr[1], devAddr[2], devAddr[3],
devAddr[4], devAddr[5], devAddr[6], devAddr[7]);
emitValue<output_ADDR>(ctx, XString(&view));
emitValue<output_DONE>(ctx, 1);
}
}