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37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
package aht20
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import (
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"periph.io/x/conn/v3/i2c"
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"periph.io/x/conn/v3/i2c/i2ctest"
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"periph.io/x/conn/v3/physic"
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"testing"
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)
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func TestDev_Sense(t *testing.T) {
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bus := i2ctest.Playback{
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Ops: []i2ctest.IO{
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// Trigger measurement
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{Addr: deviceAddress, W: argsMeasure},
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// Read measurement
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{Addr: deviceAddress, R: []byte{0x18, 0x75, 0x52, 0x05, 0x8E, 0x40, 0x7F}},
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},
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}
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dev := Dev{d: &i2c.Dev{Bus: &bus, Addr: deviceAddress}, opts: DefaultOpts}
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e := physic.Env{}
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if err := dev.Sense(&e); err != nil {
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t.Fatal(err)
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}
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if expected := 19445800781*physic.NanoKelvin + physic.ZeroCelsius; e.Temperature != expected {
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t.Fatalf("temperature %s(%d) != %s(%d)", expected, expected, e.Temperature, e.Temperature)
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}
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if expected := 4582824 * physic.TenthMicroRH; e.Humidity != expected {
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t.Fatalf("humidity %s(%d) != %s(%d)", expected, expected, e.Humidity, e.Humidity)
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}
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if expected := 0 * physic.Pascal; e.Pressure != expected {
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t.Fatalf("pressure %s(%d) != %s(%d)", expected, expected, e.Pressure, e.Pressure)
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}
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if err := bus.Close(); err != nil {
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t.Fatal(err)
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}
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}
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