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37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#include "board/board.h"
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struct TemperatureSensor {
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const VoltageMonitorDevice *voltage_monitor;
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int32_t millivolts_ref;
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int32_t millidegrees_ref;
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int32_t slope_numerator;
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int32_t slope_denominator;
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};
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void temperature_init(void);
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// Get the temperature in millidegrees-C
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// WARNING: the temperature sensor may not be calibrated and thus this reading
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// should not be relied on to get a true representation of absolute temperature
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int32_t temperature_read(void);
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