pimoroni-pico/micropython/examples/breakout_vl53l5cx/vl53l5cx_demo.py

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1.4 KiB
Python

import pimoroni_i2c
import breakout_vl53l5cx
import time
# The VL53L5CX requires a firmware blob to start up.
# Make sure you upload "vl53l5cx_firmware.bin" via Thonny to the root of your filesystem
# You can find it here: https://github.com/ST-mirror/VL53L5CX_ULD_driver/blob/no-fw/lite/en/vl53l5cx_firmware.bin
PINS_BREAKOUT_GARDEN = {"sda": 4, "scl": 5}
PINS_PICO_EXPLORER = {"sda": 20, "scl": 21}
# Sensor startup time is proportional to i2c baudrate
# HOWEVER many sensors may not run at > 400KHz (400000)
i2c = pimoroni_i2c.PimoroniI2C(**PINS_BREAKOUT_GARDEN, baudrate=2_000_000)
print("Starting up sensor...")
t_sta = time.ticks_ms()
sensor = breakout_vl53l5cx.VL53L5CX(i2c)
t_end = time.ticks_ms()
print("Done in {}ms...".format(t_end - t_sta))
# Make sure to set resolution and other settings *before* you start ranging
sensor.set_resolution(breakout_vl53l5cx.RESOLUTION_4X4)
sensor.start_ranging()
while True:
if sensor.data_ready():
# "data" is a namedtuple (attrtuple technically)
# it includes average readings as "distance_avg" and "reflectance_avg"
# plus a full 4x4 or 8x8 set of readings (as a 1d tuple) for both values.
data = sensor.get_data()
print("{}mm {}% (avg: {}mm {}%)".format(
data.distance[0],
data.reflectance[0],
data.distance_avg,
data.reflectance_avg))