2024-07-17 11:34:48 -04:00
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#ifndef __BME280_H__
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#define __BME280_H__
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2024-07-17 11:37:26 -04:00
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#include "driver/i2c.h"
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2024-07-17 11:34:48 -04:00
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#define BME280_CHIP_ID (0xD0)
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#define BME280_I2C_ADDRESS1 (0x76) // BME280 Data sheet p. 32
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#define BME280_I2C_ADDRESS2 (0x77)
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#define BME280_TEMPERATURE_REGISTER (0xFA)
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#define BME280_TEMPERATURE_DATA_SIZE (3)
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#define BME280_TEMPERATURE_DATA_LENGTH (3)
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#define BME280_PRESSURE_DATA_SIZE (3)
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#define BME280_PRESSURE_DATA_LENGTH (3)
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#define BME280_HUMIDITY_DATA_SIZE (2)
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#define BME280_HUMIDITY_DATA_LENGTH (2)
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/** GLOBAL MEMORY MAN AND REGISTERS
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* BME280 Data Sheet p. 26
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* 0xD0 -> Chip ID -> 0x60 for BME280 or 0x56;0x58 for BMP280
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* 0xF3 -> Status ->
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* 0xE0 -> Reset -> Write 0xB6 for complete power-on-reset procedure (BME280 Data Sheet p. 27)
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* 0xF5 -> Config -> 110 for 10ms or 111 for 20ms
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* 0xF7-0xF9 -> Pressure -> 16- to 20-bit resolution, unsigned
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* 0xFA-0xFC -> Temperature -> 16- to 20-bit resolution, unsigned
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* 0xFD-0xFE -> Humidity -> 16-bit resolution
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*/
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2024-07-17 11:37:26 -04:00
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static esp_err_t bme280_read_raw_temperature(uint8_t device_address, uint8_t *raw_temperature);
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2024-07-17 11:40:37 -04:00
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static esp_err_t bme280_get_id(uint8_t device_address);
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2024-07-17 11:34:48 -04:00
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#endif
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