print("This is the program for Intruder system")
print("BY ANNISHA FOR IOT")

# STEP 1 : IMPORT MODULES OR LIBRARY
from machine import  SoftI2C , PWM , Pin
from time import sleep
import ssd1306

#STEP 2: DECLARE CONNECTION

# ESP32 Pin assignment 

TRIG = Pin(17, Pin.IN)
ECHO = Pin(16, Pin.OUT)
buzzer = PWM(Pin(33), Pin.OUT)
PIR = Pin(2, Pin.IN)     # create input pin on GPIO2
redled = Pin(12,Pin.OUT)
blueled = Pin(19,Pin.OUT)

#STEP 2.2 : DECLARE THE CONNECTION OLED
oled_display=SoftI2C (scl=Pin(22), sda = Pin (21)) # to declare pin
oled_width = 128
oled_height = 64
oled = ssd1306.SSD1306_I2C(oled_width, oled_height, oled_display)


#STEP 3 : THE PROCESS
#FOR PIR SENSOR ON THE TERMINAL PART 
while True:
    if PIR.value():
        print('OBJECT DETECTED')

        #TO DISPLAY ON OLED
        oled.fill(1) 
        oled.text('OBJECT DETECTED ',10,30,0) 
        oled.show()
        
        #LED PART
        redled.on()
        sleep(0.8)
        redled.off()
        sleep (0.8)

        #BUZZER PART
        buzzer.init( freq = 400, duty = 50)
        sleep(0.8)
        buzzer.init( freq = 400, duty = 0)
       

    else:
        print('ALL CLEAR')
        oled.fill(1)
        oled.text('ALL CLEAR ',10,30,0) 
        oled.show()
        buzzer.init(freq=1, duty=0)
        
        #LED PART
        blueled.on()
        sleep(0.5)
        blueled.off()
        sleep (0.5)

    sleep(0.1)