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42 lines
1020 B
Go
42 lines
1020 B
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 aht20_test
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import (
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"fmt"
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"log"
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"periph.io/x/conn/v3/i2c/i2creg"
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"periph.io/x/conn/v3/physic"
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"periph.io/x/devices/v3/aht20"
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"periph.io/x/host/v3"
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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.Fatalf("failed to open I²C: %v", err)
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}
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defer b.Close()
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// Create a new AHT20 device using I²C bus.
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d, err := aht20.NewI2C(b, nil) // nil for default options or &aht20.DefaultOpts
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if err != nil {
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log.Fatalf("failed to initialize AHT20: %v", err)
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}
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// Read temperature and humidity from the sensor
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e := physic.Env{}
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if err := d.Sense(&e); err != nil {
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log.Fatal(err)
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}
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fmt.Printf("%8s %9s\n", e.Temperature, e.Humidity)
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}
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