# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

# This example uses an Adafruit Stepper and DC Motor FeatherWing to run a Stepper Motor.
#   https://www.adafruit.com/product/2927

import time

import busio

# Import the PCA9685 module. Available in the bundle and here:
#   https://github.com/adafruit/Adafruit_CircuitPython_PCA9685
from adafruit_pca9685 import PCA9685
from board import SCL, SDA

from adafruit_motor import stepper

i2c = busio.I2C(SCL, SDA)

# Create a simple PCA9685 class instance for the Motor FeatherWing's default address.
pca = PCA9685(i2c, address=0x60)
pca.frequency = 1600

# Motor 1 is channels 9 and 10 with 8 held high.
# Motor 2 is channels 11 and 12 with 13 held high.
# Motor 3 is channels 3 and 4 with 2 held high.
# Motor 4 is channels 5 and 6 with 7 held high.

pca.channels[7].duty_cycle = 0xFFFF
pca.channels[2].duty_cycle = 0xFFFF
stepper_motor = stepper.StepperMotor(
    pca.channels[4], pca.channels[3], pca.channels[5], pca.channels[6]
)

for i in range(100):
    stepper_motor.onestep()
    time.sleep(0.01)

for i in range(100):
    stepper_motor.onestep(direction=stepper.BACKWARD)
    time.sleep(0.01)

pca.deinit()