# print("Hello, ESP32-S3!")

# print("Hello, ESP32-S3!")

print("Hello, ESP32-S3!")

from machine import Pin, I2C, Timer
import machine
import ssd1306 
import dht
import time

DHT_PIN = 4  # DHT22 data pin
button = Pin(0, Pin.IN, Pin.PULL_UP)
# Initialize DHT22 sensor
dht_sensor = dht.DHT22(machine.Pin(DHT_PIN)) # change DHT11 fr physical device

# Initialize OLED display
i2c = machine.I2C(scl=machine.Pin(9), sda=machine.Pin(8))
oled = ssd1306.SSD1306_I2C(128, 64, i2c)

pressed= False
debounce_timer = None

def button_pressed(pin):
    global  debounce_timer, pressed  # Declare variables as global

    if debounce_timer is None:
        pressed= not pressed
        if pressed:
            oled.poweroff()
           
        else:
            oled.poweron()
            
            

        # Start a timer for debounce period (e.g., 200 milliseconds)
        debounce_timer = Timer(0)
        debounce_timer.init(mode=Timer.ONE_SHOT, period=200, callback=debounce_callback)

def debounce_callback(timer):
    global debounce_timer
    debounce_timer = None

# Attach the interrupt to the button's rising edge
button.irq(trigger=Pin.IRQ_FALLING, handler=button_pressed)


#one press ; one shot


# Main loop
while True:
    try:
        dht_sensor.measure()
        time.sleep(.2)
        temp = dht_sensor.temperature()
        humidity = dht_sensor.humidity()
        print(temp, humidity)
        oled.fill(0)
        oled.text("Temp: {} C".format(temp), 0, 0)
        oled.text("Humidity: {}%".format(humidity), 0, 16)
        oled.show()



    except Exception as e:
        print("Error reading DHT22 sensor:", e)
    
        
    time.sleep(1)  # Update every 2 seconds


























# # I2C protocal for interface for oled
# # SDA->data
# # SCL->clock
# #DHT 22->SDA
# #hardware->dht11

# from machine import Pin, I2C
# import machine
# import ssd1306 
# import dht
# import time

# DHT_PIN = 4  # DHT22 data pin

# # Initialize DHT22 sensor
# dht_sensor = dht.DHT22(Pin(DHT_PIN)) # change DHT11 fr physical device

# # Initialize OLED display
# i2c = I2C(scl=Pin(9), sda=Pin(8))
# oled = ssd1306.SSD1306_I2C(128, 64, i2c)


# # Main loop
# while True:
#     try:
#         dht_sensor.measure()
#         time.sleep(.2)
#         temp = dht_sensor.temperature()
#         humidity = dht_sensor.humidity()
#         # print(temp, humidity)
#         oled.fill(0)
#         oled.text("Subaina",0,0)
#         oled.text("22-NTU-CS-1374",0,9)
#         oled.text("IoT Lab",1,18)
#         oled.text("20-2-2025",3,27)
#         oled.text("Performing tasks on LED",0,38)
#         oled.text("This will be ",0,48)
#         oled.text("posted on Github",0,58)
#         # oled.text("Temp: {} C".format(temp), 0, 0)
#         # oled.text("Humidity: {}%".format(humidity), 0, 16)
#         oled.show()



#     except Exception as e:
#         print("Error reading DHT22 sensor:", e)
    
        
#     time.sleep(1)  # Update every 2 seconds