To use the node in your project you should have the wayland/tsl2591-light-sensor 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
// Tell XOD where it can download the libraries:
#pragma XOD require "https://github.com/adafruit/Adafruit_Sensor"
#pragma XOD require "https://github.com/adafruit/Adafruit_TSL2591_Library"
//Include C++ libraries
#include <Adafruit_Sensor.h>
#include <Adafruit_TSL2591.h>
node {
meta {
// Define our custom type as a pointer on the class instance.
using Type = Adafruit_TSL2591*;
}
// Create an object of class Adafruit_TSL2591
Adafruit_TSL2591 sensor = Adafruit_TSL2591();
void evaluate(Context ctx) {
// It should be evaluated only once on the first (setup) transaction
if (!isSettingUp())
return;
auto wire = getValue<input_I2C>(ctx);
// Try to initialize sensor
if (!sensor.begin(wire)) {
raiseError(ctx);
return;
}
emitValue<output_DEV>(ctx, &sensor);
}
}