60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/*
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* Copyright 2018 Google Inc.
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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 "mgos.h"
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#include "mgos_barometer.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Barometer
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typedef bool (*mgos_barometer_mag_detect_fn)(struct mgos_barometer *dev);
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typedef bool (*mgos_barometer_mag_create_fn)(struct mgos_barometer *dev);
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typedef bool (*mgos_barometer_mag_destroy_fn)(struct mgos_barometer *dev);
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typedef bool (*mgos_barometer_mag_read_fn)(struct mgos_barometer *dev);
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#define MGOS_BAROMETER_CAP_BAROMETER (0x01)
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#define MGOS_BAROMETER_CAP_THERMOMETER (0x02)
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#define MGOS_BAROMETER_CAP_HYGROMETER (0x04)
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struct mgos_barometer {
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struct mgos_i2c * i2c;
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uint8_t i2caddr;
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uint16_t cache_ttl_ms;
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enum mgos_barometer_type type;
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uint8_t capabilities;
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mgos_barometer_mag_detect_fn detect;
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mgos_barometer_mag_create_fn create;
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mgos_barometer_mag_destroy_fn destroy;
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mgos_barometer_mag_read_fn read;
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void *user_data;
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float pressure; // in Pascals
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float temperature; // in Celcius
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struct mgos_barometer_stats stats;
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};
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#ifdef __cplusplus
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}
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#endif
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