44 lines
872 B
C
44 lines
872 B
C
#ifndef BME280_H
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#define BME280_H
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#include "hardware/i2c.h"
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typedef struct {
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// temperature params
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uint16_t dig_t1;
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int16_t dig_t2;
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int16_t dig_t3;
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// pressure params
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uint16_t dig_p1;
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int16_t dig_p2;
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int16_t dig_p3;
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int16_t dig_p4;
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int16_t dig_p5;
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int16_t dig_p6;
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int16_t dig_p7;
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int16_t dig_p8;
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int16_t dig_p9;
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// humidity params
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uint16_t dig_h1;
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int16_t dig_h2;
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int16_t dig_h3;
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int16_t dig_h4;
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int16_t dig_h5;
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} bme280_compensation_params;
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typedef struct {
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i2c_inst_t *i2c;
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bme280_compensation_params params;
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} bme280_config;
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typedef struct {
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float temperature;
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int32_t pressure;
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int32_t humidity;
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} bme280_reading;
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void bme280_init(bme280_config *config, i2c_inst_t *i2c,
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uint8_t sda_pin, uint8_t scl_pin);
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bme280_reading bme280_read(bme280_config *config);
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#endif /* BME280_H */
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