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59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
// Copyright 2020 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 tlv493d_test
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import (
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"fmt"
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"log"
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"periph.io/x/conn/i2c/i2creg"
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"periph.io/x/conn/physic"
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"periph.io/x/devices/tlv493d"
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"periph.io/x/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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// Open default I²C bus.
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bus, 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 bus.Close()
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// Create a new TLV493D hall effect sensor.
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tlv, err := tlv493d.New(bus, &tlv493d.DefaultOpts)
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if err != nil {
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log.Fatalln(err)
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}
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defer tlv.Halt()
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// Read a single value.
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tlv.SetMode(tlv493d.LowPowerMode)
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fmt.Println("Single reading")
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reading, err := tlv.Read(tlv493d.HighPrecisionWithTemperature)
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if err != nil {
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log.Fatalln(err)
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}
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fmt.Println(reading)
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// Read values continuously from the sensor.
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fmt.Println("Continuous reading")
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c, err := tlv.ReadContinuous(100*physic.Hertz, tlv493d.LowPrecision)
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if err != nil {
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log.Fatalln(err)
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}
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for reading := range c {
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fmt.Println(reading)
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}
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}
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