from machine import Pin

import utime
 
# Define GPIO pins for encoder

CLK_Pin = Pin(0, Pin.OUT)  # CLK pin to send pulses

DT_Pin = Pin(1, Pin.OUT)  # DT pin, used to simulate direction
 
value = 0
 
def rotate_encoder(direction, rotations):

    # Constants for pulse timing

    pulse_width = 1  # Pulse width in seconds (1 ms)

    for _ in range(rotations):

        if direction == 'clockwise':

            CLK_Pin.value(1)  # Send pulse

            utime.sleep(pulse_width)

            CLK_Pin.value(0)  # End pulse

            utime.sleep(pulse_width)

            # Simulate direction (optional, depending on encoder type)
            print("clock-wise")

            DT_Pin.value(1)

        elif direction == 'counter-clockwise':

            CLK_Pin.value(1)  # Send pulse

            utime.sleep(pulse_width)

            CLK_Pin.value(0)  # End pulse

            utime.sleep(pulse_width)

            # Simulate direction (optional, depending on encoder type)

            DT_Pin.value(0)

        else:

            print("Invalid direction")

            return
 
    print(f"Target rotations ({rotations}) achieved in direction: {direction}")
 
def rotary_changed(direction=None, rotations=0):

    if direction and rotations > 0:

        rotate_encoder(direction, rotations)

    else:

        print("No direction or invalid number of rotations provided")
 
# Example usage

direction = 'clockwise'  # or 'counter-clockwise'

rotations = 10           # Number of pulses to simulate
 
# Simulate encoder rotation

rotary_changed(direction, rotations)
 
while True:

    # Optionally, you can add code here to monitor the encoder state or handle button presses

    utime.sleep(0.001)