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61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
// Copyright 2019 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 inky_test
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import (
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"flag"
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"image"
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"image/png"
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"log"
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"os"
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"periph.io/x/periph/conn/gpio/gpioreg"
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"periph.io/x/periph/conn/spi/spireg"
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"periph.io/x/periph/experimental/devices/inky"
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"periph.io/x/periph/host"
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)
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func Example() {
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path := flag.String("image", "", "Path to image file (212x104) to display")
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flag.Parse()
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f, err := os.Open(*path)
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if err != nil {
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log.Fatal(err)
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}
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defer f.Close()
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img, err := png.Decode(f)
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if err != nil {
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log.Fatal(err)
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}
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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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b, err := spireg.Open("SPI0.0")
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if err != nil {
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log.Fatal(err)
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}
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dc := gpioreg.ByName("22")
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reset := gpioreg.ByName("27")
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busy := gpioreg.ByName("17")
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dev, err := inky.New(b, dc, reset, busy, &inky.Opts{
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Model: inky.PHAT,
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ModelColor: inky.Red,
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BorderColor: inky.Black,
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})
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if err != nil {
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log.Fatal(err)
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}
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if err := dev.Draw(img.Bounds(), img, image.Point{}); err != nil {
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log.Fatal(err)
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}
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}
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