Get resolution mode of device. MCP9808 has four resolution modes (resolution and sample time in parentheses): 00h ( 0.5°C , 30 ms); 01h (0.25°C, 65 ms); 02h (0.125°C, 130 ms); 03h (0.0625°C, 250 ms).
get-resolution
@/get-resolution
Get resolution mode of device. MCP9808 has four resolution modes (resolution and sample time in parentheses): 00h ( 0.5°C , 30 ms); 01h (0.25°C, 65 ms); 02h (0.125°C, 130 ms); 03h (0.0625°C, 250 ms).
DEV@/mcp9808-device
A MCP9808 device.
UPDpulse
Update. Trigger read of device resolution.
DONEpulse
Pulse on completion.
RESOLUTIONbyte
Resolution mode. Should be one of the following four values:
Mode Resolution Sample time
00h 0.5°C 30 ms
01h 0.25°C 65 ms
02h 0.125°C 130 ms
03h 0.0625°C 250 ms
To use the node in your project you should have the wayland/mcp9808-thermometer library installed. Use the “File → Add Library” menu item in XOD IDE if you don’t have it yet. See Using libraries for more info.
C++ implementation
struct State {
};
{{ GENERATED_CODE }}
void evaluate(Context ctx) {
// The node responds only if there is an input pulse
if (!isInputDirty<input_UPD>(ctx))
return;
// Get a pointer to the `Adafruit_MCP9808` class instance
auto sensor = getValue<input_DEV>(ctx);
emitValue<output_RESOLUTION>(ctx, sensor->getResolution());
emitValue<output_DONE>(ctx, 1);
}