API Reference

`adafruit_bmp5xx`

CircuitPython library for the BMP580 / BMP581 / BMP585 / etc barometric pressure sensors.

Author(s): Tim Cocks

Implementation Notes

Hardware:

Purchase BMP580 from the Adafruit shop Purchase BMP581 from the Adafruit shop Purchase BMP585 from the Adafruit shop

Software and Dependencies:

Adafruit CircuitPython firmware for the supported boards: https://circuitpython.org/downloads
Adafruit’s Bus Device library: https://github.com/adafruit/Adafruit_CircuitPython_BusDevice
Adafruit’s Register library: https://github.com/adafruit/Adafruit_CircuitPython_Register

class adafruit_bmp5xx.BMP5XX(bus_device: I2CDevice | SPIDevice)

Bosche BMP5xx temperature and pressure sensor breakout CircuitPython driver.

property altitude: float: The altitude in meters based on the currently set sea level pressure.

command: Command register

data_ready: bool: True if data is ready.

data_ready_int_en: bool: Set to True to enable data_ready interrupt register.

deep_disabled: Deep standby disabled

fifo_full_int_en: bool: Set to True to enable FIFO full interrupt register.

fifo_full_interrupt: bool: True when FIFO is full.

fifo_threshold_int_en: bool: Set to True to enable FIFO threshold interrupt register.

fifo_threshold_interrupt: bool: True when FIFO reached threshold.

iir_flush_forced: Use FORCED mode for IIR filter flush.

int_status_por: bool: True if power on, or software reset complete.

property mode: int: Mode of operation. Must be one of the POWERMODE constants.

output_data_rate: Output data rate. Must be one of the ODR constants.

static over_i2c(i2c: I2C, address=DEFAULT_ADAFRUIT_ADDR)

Initialize BMP5XX breakout over I2C bus.

Parameters:

i2c – busio.I2C instance to communicate over
address – The I2C address to use. Defaults to DEFAULT_ADAFRUIT_ADDR

Returns:

Initialized BMP5XX object

static over_spi(spi: SPI, cs: DigitalInOut)

Initialize BMP5XX breakout over SPI bus.

Parameters:

spi – busio.SPI instance to communicate over
cs – DigitalInOut instance to use for chip select

Returns:

Initialized BMP5XX object

property pressure: float: Pressure in hPa.

pressure_enabled: Pressure readings enabled

pressure_fifo_iir: Pressure FIFO IIR order. Must be BMP5XX_BEFORE_IIR_FILTER or BMP5XX_AFTER_IIR_FILTER

pressure_iir_filter: Pressure IIR Filter. Must be one of the IIR_FILTER constants.

pressure_oor_int_en: bool: Set to True to enable pressure OOR interrupt register.

pressure_oor_interrupt: bool: True when pressure is OOR.

pressure_oversampling_rate: Pressure oversampling rate. Must be one of the OVERSAMPLING constants.

pressure_shadow_iir: Pressure shadow IIR order. Must be BMP5XX_BEFORE_IIR_FILTER or BMP5XX_AFTER_IIR_FILTER

reset() → None: Reset the BMP5xx device.

status_nvm_err: bool: True if NVM is has an error.

status_nvm_ready: bool: True if NVM is ready.

property temperature: float: Temperature in degress C.

temperature_fifo_iir: Temperature FIFO IIR order. Must be BMP5XX_BEFORE_IIR_FILTER or BMP5XX_AFTER_IIR_FILTER

temperature_iir_filter: Temperature IIR Filter. Must be one of the IIR_FILTER constants.

temperature_oversampling_rate: Temperature oversampling rate. Must be one of the OVERSAMPLING constants.

temperature_shadow_iir: Temperature shadow IIR order. Must be BMP5XX_BEFORE_IIR_FILTER or BMP5XX_AFTER_IIR_FILTER