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40 lines
1.2 KiB
Go
40 lines
1.2 KiB
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
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import (
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"fmt"
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"time"
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)
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// NotInitializedError is returned when the sensor is not initialized but a measurement is requested.
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type NotInitializedError struct{}
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func (e *NotInitializedError) Error() string {
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return "AHT20 is not initialized."
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}
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// ReadTimeoutError is returned when the sensor does not finish a measurement in time.
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type ReadTimeoutError struct {
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// Timeout is the configured timeout.
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Timeout time.Duration
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}
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func (e *ReadTimeoutError) Error() string {
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return fmt.Sprintf("Read timeout after %s. AHT20 did not finish measurement in time.", e.Timeout)
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}
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// DataCorruptionError is returned when the data from the sensor does not match the CRC8 hash.
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type DataCorruptionError struct {
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// Calculated is the calculated CRC8 hash using the received data bytes.
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Calculated uint8
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// Received is the CRC8 hash received from the sensor.
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Received uint8
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}
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func (e *DataCorruptionError) Error() string {
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return fmt.Sprintf("Data is corrupt. The CRC8 hashes did not match. Calculated: 0x%X, Received: 0x%X", e.Calculated, e.Received)
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}
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