pimoroni-pico/micropython/examples/breakout_vl53l5cx/vl53l5cx_motion.py

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1.5 KiB
Python

import pimoroni_i2c
import breakout_vl53l5cx
import time
from ulab import numpy
# 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.enable_motion_indicator(breakout_vl53l5cx.RESOLUTION_4X4)
sensor.set_motion_distance(400, 1400)
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.
# Motion data is available in "motion_detection.motion"
data = sensor.get_data()
motion = numpy.array(data.motion_indicator.motion[0:16], dtype=numpy.int16).reshape((4, 4))
print(motion)