initial support for ttp229 (BSF)

examples/ttp229/main.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"time"
+
+	"tinygo.org/x/drivers/ttp229"
+
+	"machine"
+)
+
+func main() {
+	time.Sleep(5 * time.Second)
+	sensor := ttp229.NewPin(machine.A5, machine.A4)
+	sensor.Configure(ttp229.Configuration{Inputs: 16})
+
+	println("READY")
+	for {
+		sensor.ReadKeys()
+		for i := byte(0); i < 16; i++ {
+			if sensor.IsKeyPressed(i) {
+				print("1 ")
+			} else {
+				print("0 ")
+			}
+		}
+		println("")
+
+		println("Pressed key:", sensor.GetKey())
+
+		for i := byte(0); i < 16; i++ {
+			if sensor.IsKeyDown(i) {
+				println("Key", i, "is down")
+			} else if sensor.IsKeyUp(i) {
+				println("Key", i, "is up")
+			}
+		}
+
+		time.Sleep(100 * time.Millisecond)
+	}
+}