109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
#ifndef IMS_BME280_DHT_H
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#define IMS_BME280_DHT_H
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#include "imsensors/common/sensors_common.h"
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typedef enum {
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IMS_BME280_MODE_SLEEP = 0x00U,
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IMS_BME280_MODE_FORCED = 0x01U,
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IMS_BME280_MODE_NORMAL = 0x03U,
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} ims_bme280_mode_t;
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typedef enum {
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IMS_BME280_OSRS_SKIP,
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IMS_BME280_OSRS_1,
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IMS_BME280_OSRS_2,
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IMS_BME280_OSRS_4,
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IMS_BME280_OSRS_8,
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IMS_BME280_OSRS_16,
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} ims_bme280_osrs_config_t;
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typedef enum {
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IMS_BME280_FILTER_OFF,
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IMS_BME280_FILTER_2,
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IMS_BME280_FILTER_4,
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IMS_BME280_FILTER_8,
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IMS_BME280_FILTER_16,
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} ims_bme280_fiter_config_t;
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typedef enum {
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IMS_BME280_STANDBY_TIME_0_5_MS = 0x00U,
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IMS_BME280_STANDBY_TIME_62_5_MS = 0x01U,
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IMS_BME280_STANDBY_TIME_125_MS = 0x02U,
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IMS_BME280_STANDBY_TIME_250_MS = 0x03U,
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IMS_BME280_STANDBY_TIME_500_MS = 0x04U,
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IMS_BME280_STANDBY_TIME_1_SEC = 0x05U,
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IMS_BME280_STANDBY_TIME_10_MS = 0x06U,
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IMS_BME280_STANDBY_TIME_20_MS = 0x07U,
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} ims_bme280_standby_time_t;
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typedef enum {
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IMS_BME280_PRESET_WEATHER,
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IMS_BME280_PRESET_HUMIDITY,
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IMS_BME280_PRESET_INDOOR_NAV,
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IMS_BME280_PRESET_GAMING,
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IMS_BME280_PRESET_END,
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} ims_bme280_mode_preset_t;
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typedef struct {
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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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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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uint8_t dig_H1;
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int16_t dig_H2;
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uint8_t dig_H3;
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int16_t dig_H4;
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int16_t dig_H5;
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int8_t dig_H6;
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} ims_bme280_trim_t;
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typedef struct {
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ims_bme280_mode_t mode;
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ims_bme280_osrs_config_t osrs_t;
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ims_bme280_osrs_config_t osrs_p;
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ims_bme280_osrs_config_t osrs_h;
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ims_bme280_standby_time_t t_sb;
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ims_bme280_fiter_config_t filter;
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} ims_bme280_config_t;
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typedef struct {
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#ifdef IMS_CFG_DHT_BME280_ENABLE_FLOAT
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double temperature;
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double pressure;
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double humidity;
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#else
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uint32_t pressure; /* Pressure (Pa) multiplied by 256. */
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int32_t temperature; /* Temperature (C), multiplied by 100. */
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uint32_t humidity; /* Humidity (%), multiplied by 1024. */
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#endif
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} ims_bme280_result_t;
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typedef struct {
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ims_i2c_xfer_t i2c_xfer;
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ims_delay_t delay;
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} ims_bme280_cb_t;
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typedef struct {
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void *pdev;
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ims_bme280_trim_t trim;
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ims_bme280_cb_t cb;
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int32_t t_fine;
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} ims_bme280_t;
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ims_ret_t ims_bme280_init(ims_bme280_t *bme);
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ims_ret_t ims_bme280_preset_config(ims_bme280_config_t *config, ims_bme280_mode_preset_t preset);
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ims_ret_t ims_bme280_config(ims_bme280_t *bme, ims_bme280_config_t *config);
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ims_ret_t ims_bme280_read(ims_bme280_t *bme, ims_bme280_result_t *result);
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ims_ret_t ims_bme280_read_forced(ims_bme280_t *bme, ims_bme280_result_t *result);
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#endif // IMS_BME280_DHT_H
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