43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
# SPDX-FileCopyrightText: 2024 Liz Clark for Adafruit Industries
|
|
#
|
|
# SPDX-License-Identifier: MIT
|
|
|
|
import time
|
|
from sensirion_i2c_driver import I2cConnection, LinuxI2cTransceiver
|
|
from sensirion_i2c_sen5x import Sen5xI2cDevice
|
|
|
|
i2c = LinuxI2cTransceiver('/dev/i2c-1')
|
|
device = Sen5xI2cDevice(I2cConnection(i2c))
|
|
|
|
# Print some device information
|
|
print(f"Version: {device.get_version()}")
|
|
print(f"Product Name: {device.get_product_name()}")
|
|
print(f"Serial Number: {device.get_serial_number()}")
|
|
|
|
# Perform a device reset (reboot firmware)
|
|
device.device_reset()
|
|
# Start measurement
|
|
device.start_measurement()
|
|
time.sleep(1)
|
|
|
|
def read_data():
|
|
try:
|
|
# Wait until next result is available
|
|
print("Waiting for new data...")
|
|
while device.read_data_ready() is False:
|
|
time.sleep(0.1)
|
|
# Read measured values -> clears the "data ready" flag
|
|
values = device.read_measured_values()
|
|
print(values)
|
|
# Access a specific value separately (see Sen5xMeasuredValues)
|
|
# mass_concentration = values.mass_concentration_2p5.physical
|
|
# ambient_temperature = values.ambient_temperature.degrees_celsius
|
|
# Read device status
|
|
status = device.read_device_status()
|
|
print("Device Status: {}\n".format(status))
|
|
except Exception as e: # pylint: disable = broad-except
|
|
print(f"Error: {e}")
|
|
|
|
while True:
|
|
read_data()
|
|
time.sleep(5)
|