Add Support for MatrixOrbital LK204-7T LCD Display

matrixorbital/example_test.go

@@ -0,0 +1,50 @@
+// Copyright 2024 The Periph Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+
+package matrixorbital_test
+
+import (
+	"errors"
+	"fmt"
+	"log"
+	"time"
+
+	"periph.io/x/conn/v3/display"
+	"periph.io/x/conn/v3/display/displaytest"
+	"periph.io/x/conn/v3/i2c"
+	"periph.io/x/conn/v3/i2c/i2creg"
+	"periph.io/x/devices/v3/matrixorbital"
+	"periph.io/x/host/v3"
+)
+
+func Example() {
+	if _, err := host.Init(); err != nil {
+		log.Fatal(err)
+	}
+
+	bus, err := i2creg.Open("")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer bus.Close()
+
+	conn := &i2c.Dev{Bus: bus, Addr: 0x11}
+	dev := matrixorbital.NewConnLK2047T(conn, 4, 20)
+	_ = dev.Clear()
+	n, err := dev.WriteString("Hello")
+	fmt.Printf("n=%d, err=%s\n", n, err)
+
+	time.Sleep(10 * time.Second)
+
+	fmt.Println("calling TestTextDisplay")
+
+	errs := displaytest.TestTextDisplay(dev, true)
+	fmt.Println("back from TestTextDsiplay")
+	for _, e := range errs {
+		if !errors.Is(e, display.ErrNotImplemented) {
+			fmt.Println(e)
+		}
+	}
+
+}