print('UltraSonic Sensor')
print("By: Aqil Farid")
print("Date: 22/04/24")

#import library
import Oled #oled Library 
import Ultsonic #ultsonic Library
from machine import Pin, PWM ,SoftI2C ,  
from utime import sleep



#pin declaration
Trig = Pin(13)
Echo = Pin(12)
oled_Pin = SoftI2C(scl=Pin(22), sda=Pin(21))
Buzz = PWM(Pin(4, Pin.OUT))


#parameter declaration
#Object name = Libabry name.class name()
screen = Oled.SSD1306_I2C(width=128, height=64, i2c=oled_Pin)
sonic = Ultsonic.HCSR04(trigger_pin = 13, echo_pin = 12, echo_timeout_us=500*2*30)


#main program


while True:
  distance_in_cm = sonic.distance_cm()
  distance_in_mm = sonic.distance_mm()

  print("------------------")
  print("Distance from an abject is", distance_in_cm, "cm")
  print("Distance from an abject is", distance_in_mm, "mm")

  if distance_in_cm > 200:
    for i in range (3):
      Buzz.init(freq=500 , duty=50)
      sleep(1)
      screen.fill(0)
      screen.text("Inpired By Me",5,10,1)#note (row,column,colorcode)
      screen.show()

      Buzz.init(freq=500 , duty=0)
      sleep(1)
      screen.fill(0)
      screen.text("Inpired By Me",5,10,1)#note (row,column,colorcode)
      screen.show()

  elif 50 <= distance_in_cm <= 200:
    for i in range (5):
      Buzz.init(freq=1000 , duty=80)
      sleep(1)
      screen.fill(0)
      screen.text("Inpired By Me",5,10,1)#note (row,column,colorcode)
      screen.show()

      Buzz.init(freq=1500 , duty=0)
      sleep(1)
      screen.fill(0)
      screen.text("Inpired By Me",5,10,1)#note (row,column,colorcode)
      screen.show()

  else:
    for i in range (8):
      Buzz.init(freq=1200 , duty=50)
      sleep(0.4)
      screen.fill(0)
      screen.text("Inpired By Me",5,10,1)#note (row,column,colorcode)
      screen.show()

      Buzz.init(freq=2000 , duty=0)
      sleep(0.4)
      screen.fill(0)
      screen.text("Inpired By Me",5,10,1)#note (row,column,colorcode)
      screen.show()