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53 lines
1.2 KiB
Go
53 lines
1.2 KiB
Go
// Copyright 2018 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 ep0099_test
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import (
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"log"
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"time"
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"periph.io/x/conn/v3/i2c/i2creg"
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"periph.io/x/devices/v3/ep0099"
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"periph.io/x/host/v3"
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)
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func Example() {
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// Initializes host to manage bus and devices
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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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// Opens default bus
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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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// Initializes device using current I2C bus and device address.
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// Address should be provided as configured on the board's DIP switches.
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dev, err := ep0099.New(bus, 0x10)
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if err != nil {
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log.Fatal(err)
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}
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defer dev.Halt()
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// Run device demo
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for _, channel := range dev.AvailableChannels() {
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state, _ := dev.State(channel)
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log.Printf("[channel %#x] Initial state: %s", channel, state)
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dev.On(channel)
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state, _ = dev.State(channel)
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log.Printf("[channel %#x] State after .On: %s", channel, state)
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dev.Off(channel)
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state, _ = dev.State(channel)
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log.Printf("[channel %#x] State after .Off: %s", channel, state)
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time.Sleep(2 * time.Second)
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}
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}
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