Add support for APDS-9960, Digital Proximity, Ambient Light, RGB and Gesture Sensor (#308)

apds9960: add support for apds9960

examples/apds9960/proximity/main.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"machine"
+	"time"
+
+	"tinygo.org/x/drivers/apds9960"
+)
+
+func main() {
+
+	machine.I2C1.Configure(machine.I2CConfig{
+		SCL:       machine.P0_15, // SCL1 on Nano 33 BLE Sense
+		SDA:       machine.P0_14, // SDA1 on Nano 33 BLE Sense
+		Frequency: machine.TWI_FREQ_400KHZ,
+	})
+
+	sensor := apds9960.New(machine.I2C1)
+
+	if !sensor.Connected() {
+		println("APDS-9960 not connected!")
+		return
+	}
+
+	sensor.Configure(apds9960.Configuration{}) // use default settings
+
+	sensor.EnableProximity() // enable proximity engine
+
+	for {
+
+		if sensor.ProximityAvailable() {
+			p := sensor.ReadProximity()
+			println("Proximity:", p)
+		}
+		time.Sleep(time.Millisecond * 100)
+	}
+
+}