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55 lines
1.0 KiB
Go
55 lines
1.0 KiB
Go
// Copyright 2025 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 nxp74hc595
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import (
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"log"
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"testing"
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"periph.io/x/conn/v3/conntest"
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"periph.io/x/conn/v3/gpio"
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"periph.io/x/conn/v3/physic"
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"periph.io/x/conn/v3/spi"
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"periph.io/x/conn/v3/spi/spitest"
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)
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func TestBasic(t *testing.T) {
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pb := &spitest.Record{Ops: make([]conntest.IO, 0)}
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defer pb.Close()
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conn, err := pb.Connect(physic.MegaHertz, spi.Mode1, 8)
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if err != nil {
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log.Fatal(err)
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}
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dev, err := New(conn)
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if err != nil {
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log.Fatal(err)
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}
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gr, _ := dev.Group(6, 5, 4, 3)
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for i := range 16 {
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gr.Out(gpio.GPIOValue(i), 0)
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}
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singlePin := dev.Pins[7]
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for i := range 20 {
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err = singlePin.Out(gpio.Level(i%2 == 0))
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if err != nil {
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t.Error(err)
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}
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err = dev.Pins[0].Out(i%2 != 0)
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if err != nil {
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t.Error(err)
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}
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}
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err = dev.Pins[0].Out(gpio.Low)
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if err != nil {
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t.Error(err)
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}
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err = singlePin.Out(gpio.High)
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if err != nil {
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t.Error(err)
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}
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}
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