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51 lines
1.0 KiB
Go
51 lines
1.0 KiB
Go
// Copyright 2024 The Periph Authors. All rights reserved.
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// Use of this source code is governed under the Apache License, Version 2.0
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// that can be found in the LICENSE file.
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package serlcd_test
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import (
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"errors"
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"fmt"
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"log"
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"time"
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"periph.io/x/conn/v3/display"
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"periph.io/x/conn/v3/display/displaytest"
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"periph.io/x/conn/v3/i2c"
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"periph.io/x/conn/v3/i2c/i2creg"
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"periph.io/x/devices/v3/serlcd"
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"periph.io/x/host/v3"
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)
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func Example() {
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if _, err := host.Init(); err != nil {
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log.Fatal(err)
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}
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bus, err := i2creg.Open("")
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if err != nil {
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log.Fatal(err)
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}
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defer bus.Close()
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conn := &i2c.Dev{Bus: bus, Addr: serlcd.DefaultI2CAddress}
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dev := serlcd.NewConn(conn, 4, 20)
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_ = dev.Clear()
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n, err := dev.WriteString("Hello")
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fmt.Printf("n=%d, err=%s\n", n, err)
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time.Sleep(10 * time.Second)
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fmt.Println("calling TestTextDisplay")
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errs := displaytest.TestTextDisplay(dev, true)
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fmt.Println("back from TestTextDsiplay")
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for _, e := range errs {
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if !errors.Is(e, display.ErrNotImplemented) {
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fmt.Println(e)
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}
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}
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}
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