Move lux sensor logic to own file while main ui is reworked

cmd/ui/lux.go

@@ -0,0 +1,50 @@
+package ui
+
+import (
+	bh1750 "github.com/d2r2/go-bh1750"
+	i2c "github.com/d2r2/go-i2c"
+	logger "github.com/d2r2/go-logger"
+	"time"
+)
+
+var lg = logger.NewPackageLogger("main",
+	logger.ErrorLevel,
+)
+
+func main() {
+	defer logger.FinalizeLogger()
+
+	logger.ChangePackageLogLevel("i2c", logger.ErrorLevel)
+	logger.ChangePackageLogLevel("bh1750", logger.ErrorLevel)
+
+	// Create new connection to I2C to bh1750
+	i2c, err := i2c.NewI2C(0x23, 1)
+	if err != nil {
+		lg.Fatal(err)
+	}
+
+	// Free I2C connection on exit
+	defer i2c.Close()
+
+	// Setup sensor
+	sensor := bh1750.NewBH1750()
+
+	// Reset sensor prior to use
+	err = sensor.Reset(i2c)
+	if err != nil {
+		lg.Fatal(err)
+	}
+
+	// Read sensor value over time
+	for {
+		resolution := bh1750.HighResolution
+		lux, err := sensor.MeasureAmbientLight(i2c, resolution)
+		if err != nil {
+			lg.Fatal(err)
+		}
+
+		println("Illuminance:", lux, "lx")
+
+		time.Sleep(500 * time.Millisecond)
+	}
+}