#Smart Parking System Using Micropython ESP32...
#Created by Alif Iman
#5/12/2023

#Import 
from machine import SoftI2C, Pin, PWM
from utime import sleep, sleep_ms
from time import sleep
import ssd1306_library, #Library

#Pin declare for LED
green_led = Pin(25, Pin.OUT)
red_led = Pin(32, Pin.OUT)

# initialize the PIR sensor on pin 34, LED on pin 12, and servo motor on pin 21
PIR_sensor =Pin(34, Pin.IN)
bar= PWM(Pin(23,Pin.OUT)) #PWM servo toll bar
bar.freq(50)

#declare pin on oled board
i2c_oled = SoftI2C(scl=Pin(2), sda=Pin(4))

#define OLED basic parameter
oled_width = 140 
oled_height = 70

 #Called oled with take from library
 oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c_oled)

 #Move the servo motor to a specific angle
def move_servo(angle):
    # map the angle to the duty cycle for the servo motor
    duty_cycle = int((angle / 180) * 50)
    servo_motor.duty(duty_cycle)

#Get loop/repeat
while True

 # check if motion is detected by the PIR sensor
    if PIR_sensor.value() == 1:
        print("HAVE CAR!")
        red_led.on()
        sleep(2)
        red_led.off()
        sleep(1)
        #display the distance value on Oled screen
        oled.fill(1)#1 for background white 0 for background black
        oled.text('Have car', 0, 0,0) #1st 0 is x-axis, 2nd 0 y axis,
        oled.show()
        sleep(2)


    else PIR_sensor.value() == 0:
        print("YEAYYY...YOU ARE READY TO GO!")
        green_led.on()
        sleep(2)
        green_led.off()
        sleep(1)

        #display the distance value on Oled screen
        oled.fill(1)#1 for background white 0 for background black
        oled.text('HONDA CITY', 0, 0,0) #1st 0 is x-axis, 2nd 0 y axis,
        oled.text('PEARL WHITE', 0, 10,0)
        oled.show()
        sleep(2)
        oled.text('HAVE A NICE DAY!!!', 0, 40, 0)
        oled.show()
        
        # move the servo motor to 180 degrees
        bar.duty_u16(1638)
        sleep(1)
        # wait for 10 seconds
        sleep(10)
        # move the servo motor back to 0 degrees
        bar.duty_u16(4860)
        sleep(1)
        print("NO CAR.")
    # wait for a short time to reduce CPU usage
    sleep_ms(10)