#!/usr/bin/python3
# -*- coding: utf-8 -*-
import board
import busio
import requests
import time
from firebase import Firebase
# I2C setup
from adafruit_cap1188.i2c import CAP1188_I2C
i2c = busio.I2C(board.SCL, board.SDA)
cap = CAP1188_I2C(i2c)
# API
config = # CONFIGURATION OBJECT FROM FIREBASE
firebase = Firebase(config)
db = firebase.database()
current_quiz = db.child("activeQuizID").get().val()
quizzes = db.child("quizzes").get()
quiz = quizzes.val()[current_quiz]
while True:
for i in range(1, 9):
# cap[i].raw_value == 127 when near to touch. cap[i].value true/false but larger distance triggers it
if cap[i].raw_value == 127:
quizzes = db.child("quizzes").get()
questions = quizzes.val()[current_quiz]['questions']
def __init__(self):
self.host = "localhost"
self.port = ":3000"
self.apiPath = "/api/v1/"
self.last_raw_vol = 0
self.last_raw_fad = 0
self.vol_raw_range = [0, 65472]
self.vol_real_range = [100, 0]
self.bouncetime = 500
self.dim_amount = 50
self.xsetRun = False
self.seekRun = 0
self.seeking = False
self.vstate = {
'status': None,
'seek': 0,
'duration': None,
'random': None,
'repeat': None,
'volume': None,
'mute': False,
'dim': False
}
# Setup CAP1188 Board
self.i2c = busio.I2C(board.SCL, board.SDA)
self.cap = CAP1188_I2C(self.i2c)
self.cap._write_register(0x1F, 65)
# Setup MCP3008
self.mcp = MCP.MCP3008(
busio.SPI(clock=board.SCK, MISO=board.MISO, MOSI=board.MOSI),
digitalio.DigitalInOut(board.D8))
# Setup TB6612FNG Motor Controller
self.pin_in1 = 24
self.pin_in2 = 23
self.pin_pwm = 18
self.pin_en = 25
GPIO.setup(self.pin_in1, GPIO.OUT)
GPIO.setup(self.pin_in2, GPIO.OUT)
GPIO.setup(self.pin_pwm, GPIO.OUT)
GPIO.setup(self.pin_en, GPIO.OUT)
self.pwm = GPIO.PWM(self.pin_pwm, 100)
self.pwm.start(45)
GPIO.output(self.pin_en, GPIO.HIGH)
self.motorOff()
# Setup buttons & Toggle Switch
GPIO.setmode(GPIO.BCM)
GPIO.setup(26, GPIO.IN, pull_up_down=GPIO.PUD_DOWN) # Toggle Dim
GPIO.setup(16, GPIO.IN, pull_up_down=GPIO.PUD_DOWN) # Toggle Mute
GPIO.setup(17, GPIO.IN, pull_up_down=GPIO.PUD_UP) # Repeat Button
GPIO.setup(27, GPIO.IN, pull_up_down=GPIO.PUD_UP) # Previous Button
GPIO.setup(22, GPIO.IN, pull_up_down=GPIO.PUD_UP) # Play/Pause Button
GPIO.setup(5, GPIO.IN, pull_up_down=GPIO.PUD_UP) # Next Button
GPIO.setup(6, GPIO.IN, pull_up_down=GPIO.PUD_UP) # Random Button
# Set interupts and callbacks for momentary buttons.
GPIO.add_event_detect(17,
GPIO.FALLING,
callback=self.btn_repeat,
bouncetime=self.bouncetime)
GPIO.add_event_detect(27,
GPIO.FALLING,
callback=self.btn_prev,
bouncetime=self.bouncetime)
GPIO.add_event_detect(22,
GPIO.FALLING,
callback=self.btn_playpause,
bouncetime=self.bouncetime)
GPIO.add_event_detect(5,
GPIO.FALLING,
callback=self.btn_next,
bouncetime=self.bouncetime)
GPIO.add_event_detect(6,
GPIO.FALLING,
callback=self.btn_random,
bouncetime=self.bouncetime)