floppy-ytube-player/buttons.py

import os
import RPi.GPIO as GPIO
import time
from dotenv import load_dotenv
from lib.mqtt import create_client, update_disc, control_player, create_config, check_current_disc

# Load the .env file
load_dotenv()

# Define the MQTT server details
broker = os.environ.get("broker")
port = int(os.environ.get("port"))
# MQTT username and password
username = os.environ.get("username")
password = os.environ.get("password")

#print(f"Broker: {broker}, Port: {port}, Username: {username}")

client = create_client(broker, port, username, password)

create_config(client)

# Set up GPIO pins for each button
BUTTON_PINS = [17, 18, 27]  # Replace with your GPIO pin numbers

GPIO.setmode(GPIO.BCM)  # Use BCM numbering

# Set up each button pin as input with internal pull-up resistors
for pin in BUTTON_PINS:
    GPIO.setup(pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)

# Callback functions to handle button presses
def button_callback_1(channel):
    print("Button 1 pressed!")
    control_player(client, "PLAY")

def button_callback_2(channel):
    print("Button 2 pressed!")
    control_player(client, "PAUSE")

def button_callback_3(channel):
    print("Button 3 pressed!")

# Add event detection for each button press
GPIO.add_event_detect(BUTTON_PINS[0], GPIO.FALLING, callback=button_callback_1, bouncetime=200)
GPIO.add_event_detect(BUTTON_PINS[1], GPIO.FALLING, callback=button_callback_2, bouncetime=200)
GPIO.add_event_detect(BUTTON_PINS[2], GPIO.FALLING, callback=button_callback_3, bouncetime=200)

try:
    # Keep the script running to detect button presses
    while True:
        time.sleep(1)  # Sleep to reduce CPU usage
except KeyboardInterrupt:
    pass
finally:
    GPIO.cleanup()  # Clean up GPIO on exit