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from smbus2 import SMBus
from time import sleep
from gpiozero import CPUTemperature
from rpi_lcd import LCD
import speech_recognition as sr
import sounddevice
import os
ALIGN_FUNC = {
'left': 'ljust',
'right': 'rjust',
'center': 'center'}
CLEAR_DISPLAY = 0x01
ENABLE_BIT = 0b00000100
LINES = {
1: 0x80,
2: 0xC0,
3: 0x94,
4: 0xD4}
LCD_BACKLIGHT = 0x08
LCD_NOBACKLIGHT = 0x00
ERROR_BAD_REQUEST = '400'
ERROR_UNAUTHORIZED = '401'
ERROR_NOT_FOUND = '404'
ERROR_TIMEOUT = '408'
class LCD(object):
def __init__(self, address=0x27, bus=1, width=20, rows=4, backlight=True):
self.address = address
self.bus = SMBus(bus)
self.delay = 0.0005
self.rows = rows
self.width = width
self.backlight_status = backlight
self.write(0x33)
self.write(0x32)
self.write(0x06)
self.write(0x0C)
self.write(0x28)
self.write(CLEAR_DISPLAY)
sleep(self.delay)
def _write_byte(self, byte):
self.bus.write_byte(self.address, byte)
self.bus.write_byte(self.address, (byte | ENABLE_BIT))
sleep(self.delay)
self.bus.write_byte(self.address,(byte & ~ENABLE_BIT))
sleep(self.delay)
def write(self, byte, mode=0):
backlight_mode = LCD_BACKLIGHT if self.backlight_status else LCD_NOBACKLIGHT
self._write_byte(mode | ((byte << 4) & 0xF0) | backlight_mode)
def text(self, text, line, align='left'):
self.write(LINES.get(line, LINES[1]))
text, other_lines = self.get_text_line(text)
text = getattr(text, ALIGN_FUNC.get(align, 'ljust'))(self.width)
for char in text:
self.write(ord(char), mode=1)
if other_lines and line <= self.rows - 1:
self.text(other_lines, line + 1, align=align)
def backlight(self, turn_on=True):
self.backlight_status = turn_on
self.write(0)
def get_text_line(self, text):
line_break = self.width
if len(text) > self.width:
line_break = text[:self.width + 1].rfind(' ')
if line_break < 0:
line_break = self.width
return text[:line_break], text[line_break:].strip()
def clear(self):
self.write(CLEAR_DISPLAY)
LCD_DISPLAY = LCD()
VOICE_REC = sr.Recognizer()
MIC = sr.Microphone()
PROCES_LOAD = os.getloadavg()
TIME = current_time.time()
UPTIME = time.CLOCK_UPTIME()
CPU_TEMP = CPUTemperature()
# clearing the lcd from any text that was on it before the program started to ensure smooth operations
lcd.clear()
# Listening to the user's voice and putting it into a variable
def listen_voice():
global audio
with mic as source:
r.adjust_for_ambient_noise(source)
audio = r.listen(source)
return audio
# Transcribing the audio to text and printing it out
# Using the Google Speech Recognizer
def recognize_speech(audio):
try:
words = r.recognize_google(audio)
LCD_DISPLAY.text(words, 1)
print(f"Printing on screen: {words}")
except sr.UnknownValueError:
LCD_DISPLAY.text(ERROR_BAD_REQUEST, 1)
print(ERROR_BAD_REQUEST)
except sr.RequestError:
LCD_DISPLAY.text(ERROR_UNAUTHORIZED, 1)
print(ERROR_UNAUTHORIZED)
def CPU_INFO():
print("you chose to display the cpou")
while (True):
LCD.text(PROCES_LOAD(),1,left)
def CURRENT_TIME():
while True:
backlight_mode = True
LCD.text(TIME,2,center)
def UPTIME():
while True:
LCD.text(UPTIME,1,left)
def CPU_TEMP():
while True:
LCD.text(cpu.temperature)
def CPU_LOAD():
backlight_mode = True
LCD.text(PROCES_LOAD,1,left)
def NOTES():
count = 0
user_notes = input()
for i in user_notes:
while count < 20:
lcd.text(i,1,left)
count += 1
OPTIONS = ["CPU_CLOCK", "TIME", "UPTIME", "CPU_TEMP", "CPU_LOAD", "NOTES", "SPEECH_TRANSCRIBER"]
def PROGRAM(USER_INPUT):
print("WELCOME TO THE I2C COMMAND LINE CENTER \n WHAT DO YOU WISH TO DO? ")
print(OPTIONS)
FOUND = False
while FOUND == False:
USER_INPUT = input().upper()
for i in OPTIONS:
if i == USER_INPUT:
FOUND = True
else:
print(ERROR_NOT_FOUND)
PROGRAM()
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