pimoroni-pico/micropython/examples/pico_motor_shim/dual_motors.py

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1.7 KiB
Python

import time
import math
from motor import Motor, pico_motor_shim
# from pimoroni import REVERSED_DIR
"""
Demonstrates how to create two Motor objects and control them together.
"""
# Create a list of motors
MOTOR_PINS = [pico_motor_shim.MOTOR_1, pico_motor_shim.MOTOR_2]
motors = [Motor(pins) for pins in MOTOR_PINS]
# Uncomment the below lines (and the top import) to
# reverse the driving direction of a motor
# motors[0].direction(REVERSED_DIR)
# motors[1].direction(REVERSED_DIR)
# Enable all motors
for m in motors:
m.enable()
time.sleep(2)
# Drive at full positive
for m in motors:
m.full_positive()
time.sleep(2)
# Stop moving
for m in motors:
m.stop()
time.sleep(2)
# Drive at full negative
for m in motors:
m.full_negative()
time.sleep(2)
# Coast to a gradual stop
for m in motors:
m.coast()
time.sleep(2)
SWEEPS = 2 # How many speed sweeps of the motors to perform
STEPS = 10 # The number of discrete sweep steps
STEPS_INTERVAL = 0.5 # The time in seconds between each step of the sequence
SPEED_EXTENT = 1.0 # How far from zero to drive the motors when sweeping
# Do a sine speed sweep
for j in range(SWEEPS):
for i in range(360):
speed = math.sin(math.radians(i)) * SPEED_EXTENT
for m in motors:
m.speed(speed)
time.sleep(0.02)
# Do a stepped speed sweep
for j in range(SWEEPS):
for i in range(0, STEPS):
for m in motors:
m.to_percent(i, 0, STEPS, 0.0 - SPEED_EXTENT, SPEED_EXTENT)
time.sleep(STEPS_INTERVAL)
for i in range(0, STEPS):
for m in motors:
m.to_percent(i, STEPS, 0, 0.0 - SPEED_EXTENT, SPEED_EXTENT)
time.sleep(STEPS_INTERVAL)
# Disable the motors
for m in motors:
m.disable()