from machine import Pin, I2C, Timer
from pico_i2c_lcd import I2cLcd
import utime
import random


sda = Pin(0)
scl = Pin(1)

i2c = I2C(0, sda = sda, scl = scl, freq=400000)
device = i2c.scan()
i2caddr = device[0]

print(i2caddr)

lcd = I2cLcd(i2c, i2caddr, 2, 16)
# lcd.putstr("Hello")

tim = Timer()
i=0



# while True:
#   utime.sleep(1)
#   lcd.clear()
#   lcd.putstr(str(i));
#   i=i+1
  
  # time.sleep()


# def timer(tim):
#   global i
#   while True:
#     utime.sleep(0.2)
#     lcd.clear()
#     lcd.putstr(str(i));
#     i=i+1
    
    

# tim.init(freq=100000, mode=machine.Timer.PERIODIC, callback=timer)

s = 1
e = 5
# def timer(tim):
#   global s, e
#   while True:
#     utime.sleep(1)
#     lcd.clear()
#     rand = random.randint(s, e)
#     lcd.putstr(str(rand));
#     i=i+1

def timer(tim):
  global s, e
  utime.sleep(1)
  lcd.clear()
  rand = random.randint(s, e)
  lcd.putstr(str(rand));
  i=i+1
    
# freq=100000, mode=machine.Timer.PERIODIC,

# tim.init(period=100, callback=timer)

msg = ".. Rohit ...."

def timer(tim):
  global msg
  utime.sleep(1)
  lcd.clear()
  rand = random.randint(s, e)
  lcd.putstr(msg);
  msg = msg[-1]+msg[:-1]
  


tim.init(freq=100000, mode=machine.Timer.PERIODIC, callback=timer)