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45 lines
969 B
Go
45 lines
969 B
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 ds248x_test
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import (
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"fmt"
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"log"
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"periph.io/x/periph/conn/i2c/i2creg"
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"periph.io/x/periph/devices/ds248x"
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"periph.io/x/periph/host"
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)
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func Example() {
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// Make sure periph is initialized.
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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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// Use i2creg I²C bus registry to find the first available I²C bus.
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b, 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 b.Close()
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// Open the DS248x to get a 1-wire bus.
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ob, err := ds248x.New(b, 0x18, &ds248x.DefaultOpts)
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if err != nil {
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log.Fatal(err)
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}
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// Search devices on the bus
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devices, err := ob.Search(false)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Printf("Found %d 1-wire devices: ", len(devices))
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for _, d := range devices {
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fmt.Printf(" %#16x", uint64(d))
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}
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fmt.Print("\n")
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}
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