import utime

import machine
from machine import I2C,Pin
from lcd_api import LcdApi
from pico_i2c_lcd import I2cLcd
from stepper import Stepper
from rotary_irq_esp import RotaryIRQ

i2c = I2C(0, sda=machine.Pin(16), scl=machine.Pin(17), freq=400000)
lcd = I2cLcd(i2c, 0x27, 2, 16)
index=0

MenuList=["A","B","C"]

def main():
    #Test function for verifying basic functionality
    print("Running test_main")

    r = RotaryIRQ(pin_num_clk=21, 
              pin_num_dt=20, 
              min_val=0, 
              max_val=len(MenuList), 
              reverse=False, 
              range_mode=RotaryIRQ.RANGE_WRAP)
              
    r.add_listener(updatelcd)


    while True:
      utime.sleep(2)
def updatelcd():
    lcd.clear()
    lcd.print(MenuList[index])

def action_callback():
    print("callback action chosen")
#if __name__ == "__main__":
main()