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64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
//go:build examples
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// +build examples
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// 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 scd4x_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/devices/v3/scd4x"
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"periph.io/x/host/v3"
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)
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// basic example program for scd4x sensors using this library.
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//
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// To execute this as a stand-alone program:
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//
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// Copy the file example_test.go to a new directory.
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// rename the file to main.go
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// rename the Example() function to main, and the package to main
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//
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// execute:
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//
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// go mod init mydomain.com/scd4x
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// go mod tidy
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// go build -o main main.go
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// ./main
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func Example() {
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fmt.Println("scd4x example program")
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if _, err := host.Init(); err != nil {
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fmt.Println(err)
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}
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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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dev, err := scd4x.NewI2C(bus, scd4x.SensorAddress)
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if err != nil {
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log.Fatal(err)
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}
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env := scd4x.Env{}
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err = dev.Sense(&env)
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if err == nil {
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fmt.Println(env.String())
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} else {
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fmt.Println(err)
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}
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cfg, err := dev.GetConfiguration()
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if err == nil {
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fmt.Printf("Configuration: %#v\n", cfg)
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} else {
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fmt.Println(err)
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}
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// Output: Temperature: 24.845°C Humidity: 32.3%rH CO2: 581 PPM
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// Configuration: &scd4x.DevConfig{AmbientPressure:0, ASCEnabled:true, ASCInitialPeriod:158400000000000, ASCStandardPeriod:561600000000000, ASCTarget:400, SensorAltitude:0, SerialNumber:127207989525260, TemperatureOffset:4, SensorType:0}
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}
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