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JosipKuciJosipKuci
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Merge pull request #2 from SolderedElectronics/dev
Add Bosch BMP388 sensor MicroPython module
2 parents b120cda + 12d4ebc commit 2e832c8

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‎Sensors/BMP388/BMP388/Examples/bmp388-allValues.py‎

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# FILE: bmp388-allValues.py
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# AUTHOR: Josip Šimun Kuči @ Soldered
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# BRIEF: An example for the BMP388 sensor that reads temperature, pressure
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# and calculates the altitude using the pressure measurement
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# WORKS WITH: Pressure & Temperature sensor BMP388 Breakout: www.solde.red/333316
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# LAST UPDATED: 2025-01-XX
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from machine import Pin, I2C
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from bmp388 import BMP388
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import time
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# If you aren't using the Qwiic connector, manually enter your I2C pins
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# i2c = I2C(0, scl=Pin(22), sda=Pin(21))
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# bmp388 = BMP388(i2c)
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# Initialize sensor over Qwiic
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bmp388 = BMP388()
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# Set sea level pressure for accurate altitude readings (adjust to your local value)
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bmp388.setSeaLevelPressure(1013.25)
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# Start continuous measurement in normal mode
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bmp388.startNormalConversion()
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# Wait a bit for the first measurement to be ready
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# (depends on oversampling settings, give it extra time)
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time.sleep(0.5)
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# Infinite loop
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while 1:
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# Variables for storing measurement data (matching Arduino example)
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temperature, pressure, altitude = bmp388.getMeasurements()
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# Check if the data is ready (matching Arduino: if (bmp388.getMeasurements(...)))
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if temperature is not None:
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# Print the results (matching Arduino format)
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print("{:.2f}*C {:.2f}hPa {:.2f}m".format(temperature, pressure, altitude))
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# Note: Arduino example doesn't print "waiting" message, it just silently waits
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# Wait a little bit (matching Arduino: delay(250))
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time.sleep(0.25)

‎Sensors/BMP388/BMP388/Examples/bmp388-forcedMeasurement.py‎

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# FILE: bmp388-forcedMeasurement.py
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# AUTHOR: Josip Šimun Kuči @ Soldered
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# BRIEF: Forced measurement example for the BMP388
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# WORKS WITH: Pressure & Temperature sensor BMP388 Breakout: www.solde.red/333316
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# LAST UPDATED: 2025-01-15
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from machine import Pin, I2C
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from bmp388 import BMP388
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import time
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# If you aren't using the Qwiic connector, manually enter your I2C pins
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# i2c = I2C(0, scl=Pin(22), sda=Pin(21))
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# bmp388 = BMP388(i2c)
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# Initialize sensor over Qwiic
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bmp388 = BMP388()
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# Set sea level pressure for accurate altitude readings
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bmp388.setSeaLevelPressure(1025.0)
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while True:
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# Request a new measurement
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bmp388.startForcedConversion()
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# Wait until data is ready
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while True:
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temperature, pressure, altitude = bmp388.getMeasurements()
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if temperature is not None:
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print("{:.2f}*C {:.2f}hPa {:.2f}m".format(temperature, pressure, altitude))
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break
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time.sleep(0.02)
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# Wait a little bit before next measurement
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time.sleep(1)

‎Sensors/BMP388/BMP388/Examples/bmp388-forcedModeWithInterrupt.py‎

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# FILE: bmp388-forcedModeWithInterrupt.py
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# AUTHOR: Josip Šimun Kuči @ Soldered
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# BRIEF: Forced mode example using data-ready polling
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# WORKS WITH: Pressure & Temperature sensor BMP388 Breakout: www.solde.red/333316
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# LAST UPDATED: 2025-01-15
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from machine import Pin, I2C
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from bmp388 import BMP388
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import time
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dataReady = False
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def interruptHandler(pin):
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global dataReady
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dataReady = True
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# If you aren't using the Qwiic connector, manually enter your I2C pins
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# i2c = I2C(0, scl=Pin(22), sda=Pin(21))
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# bmp388 = BMP388(i2c)
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# Initialize sensor over Qwiic
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bmp388 = BMP388()
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# Set sea level pressure for accurate altitude readings
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bmp388.setSeaLevelPressure(1025.0)
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# Enable data-ready interrupt
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bmp388.enableInterrupt()
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# Connect sensor INT pin to GPIO2 (adjust for your board)
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intPin = Pin(2, Pin.IN, Pin.PULL_UP)
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intPin.irq(trigger=Pin.IRQ_RISING, handler=interruptHandler)
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while True:
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# Request a new measurement
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bmp388.startForcedConversion()
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# Wait for interrupt flag
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while not dataReady:
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time.sleep(0.005)
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temperature, pressure, altitude = bmp388.getMeasurements()
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if temperature is not None:
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print("{:.2f}*C {:.2f}hPa {:.2f}m".format(temperature, pressure, altitude))
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dataReady = False

‎Sensors/BMP388/BMP388/Examples/bmp388-normalModeWithFifo.py‎

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# FILE: bmp388-normalModeWithFifo.py
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# AUTHOR: Josip Šimun Kuči @ Soldered
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# BRIEF: Normal mode example that collects multiple samples
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# WORKS WITH: Pressure & Temperature sensor BMP388 Breakout: www.solde.red/333316
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# LAST UPDATED: 2025-01-15
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from machine import Pin, I2C
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from bmp388 import BMP388
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from bmp388_constants import TIME_STANDBY_1280MS, FIFO_DATA_READY, FIFO_CONFIG_ERROR
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import time
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NO_OF_MEASUREMENTS = 10
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# If you aren't using the Qwiic connector, manually enter your I2C pins
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# i2c = I2C(0, scl=Pin(22), sda=Pin(21))
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# bmp388 = BMP388(i2c)
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# Initialize sensor over Qwiic
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bmp388 = BMP388()
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# Set sea level pressure for accurate altitude readings
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bmp388.setSeaLevelPressure(1025.0)
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# Set standby time to roughly 1.3 seconds
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bmp388.setTimeStandby(TIME_STANDBY_1280MS)
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# Enable FIFO and set watermark
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bmp388.enableFIFO()
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bmp388.setFIFONoOfMeasurements(NO_OF_MEASUREMENTS)
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# Start continuous measurement in normal mode
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bmp388.startNormalConversion()
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print("Please wait for 13 seconds...")
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while True:
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status, temperatures, pressures, altitudes, sensorTime = bmp388.getFIFOData()
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if status == FIFO_DATA_READY:
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for i in range(len(temperatures)):
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altitude = altitudes[i] if i < len(altitudes) else 0.0
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print("{}: {:.2f}*C {:.2f}hPa {:.2f}m".format(
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i + 1, temperatures[i], pressures[i], altitude
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))
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print("Sensor Time: {} ms".format(sensorTime))
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print()
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print("Please wait for 13 seconds...")
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elif status == FIFO_CONFIG_ERROR:
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print("FIFO configuration error.")
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time.sleep(0.05)

‎Sensors/BMP388/BMP388/Examples/bmp388-normalModeWithInterrupt.py‎

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# FILE: bmp388-normalModeWithInterrupt.py
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# AUTHOR: Josip Šimun Kuči @ Soldered
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# BRIEF: Normal mode example using data-ready polling
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# WORKS WITH: Pressure & Temperature sensor BMP388 Breakout: www.solde.red/333316
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# LAST UPDATED: 2025-01-15
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from machine import Pin, I2C
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from bmp388 import BMP388
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from bmp388_constants import TIME_STANDBY_1280MS
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import time
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dataReady = False
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def interruptHandler(pin):
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global dataReady
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dataReady = True
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# If you aren't using the Qwiic connector, manually enter your I2C pins
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# i2c = I2C(0, scl=Pin(22), sda=Pin(21))
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# bmp388 = BMP388(i2c)
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# Initialize sensor over Qwiic
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bmp388 = BMP388()
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# Set sea level pressure for accurate altitude readings
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bmp388.setSeaLevelPressure(1025.0)
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# Set standby time to roughly 1.3 seconds
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bmp388.setTimeStandby(TIME_STANDBY_1280MS)
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# Enable data-ready interrupt
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bmp388.enableInterrupt()
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# Connect sensor INT pin to GPIO2 (adjust for your board)
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intPin = Pin(2, Pin.IN, Pin.PULL_UP)
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intPin.irq(trigger=Pin.IRQ_RISING, handler=interruptHandler)
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# Start continuous measurement in normal mode
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bmp388.startNormalConversion()
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while True:
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if dataReady:
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temperature, pressure, altitude = bmp388.getMeasurements()
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if temperature is not None:
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print("{:.2f}*C {:.2f}hPa {:.2f}m".format(temperature, pressure, altitude))
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dataReady = False
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time.sleep(0.01)

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