diff options
Diffstat (limited to 'bin')
| -rw-r--r-- | bin/kasper_source.py | 64 |
1 files changed, 57 insertions, 7 deletions
diff --git a/bin/kasper_source.py b/bin/kasper_source.py index 397c278..bd61942 100644 --- a/bin/kasper_source.py +++ b/bin/kasper_source.py @@ -1,15 +1,65 @@ from smbus import SMBus -import gpiozero from gpiozero import CPUTemperature -import speech_recognition as sr +import speech_recognition as speech import os import time -Initialize components +# LCD Constants +LCD_BACKLIGHT = 0x08 +LCD_NOBACKLIGHT = 0x00 +ENABLE_BIT = 0b00000100 +LINES = {1: 0x80, 2: 0xC0, 3: 0x94, 4: 0xD4} +ALIGN_FUNC = {"left": "ljust", "right": "rjust", "center": "center"} + +# Error Messages +ERROR_BAD_REQUEST = "400 Bad Request" +ERROR_UNAUTHORIZED = "401 Unauthorized" +ERROR_NOT_FOUND = "404 Not Found" +ERROR_TIMEOUT = "408 Request Timeout" + +# LCD Control Class +class LCD: + def __init__(self, address=0x27, bus=1, width=20, rows=4, backlight=True): + self.address = address + self.bus = SMBus(bus) + self.width = width + self.rows = rows + self.backlight_status = backlight + self.delay = 0.0005 + # LCD Initialization + for cmd in (0x33, 0x32, 0x06, 0x0C, 0x28, 0x01): + self.write(cmd) + time.sleep(self.delay) + def write(self, byte, mode=0): + """Send a command or character to the LCD.""" + backlight = LCD_BACKLIGHT if self.backlight_status else LCD_NOBACKLIGHT + self._write_byte(mode | ((byte << 4) & 0xF0) | backlight) + def _write_byte(self, byte): + """Write a byte to the I2C bus.""" + self.bus.write_byte(self.address, byte) + self.bus.write_byte(self.address, (byte | ENABLE_BIT)) + time.sleep(self.delay) + self.bus.write_byte(self.address, (byte & ~ENABLE_BIT)) + time.sleep(self.delay) + def display_text(self, text, line=1, align="left"): + """Display text on a specified line with alignment.""" + self.write(LINES.get(line, LINES[1])) + aligned_text = getattr(text, ALIGN_FUNC.get(align, "ljust"))(self.width) + for char in aligned_text: + self.write(ord(char), mode=1) + def clear(self): + """Clear the display.""" + self.write(0x01) + def set_backlight(self, turn_on=True): + """Toggle backlight on or off.""" + self.backlight_status = turn_on + self.write(0) + +# Initialize components lcd = LCD() cpu_temp = CPUTemperature() -recognizer = sr.Recognizer() -microphone = sr.Microphone() +recognizer = speech.Recognizer() +microphone = speech.Microphone() # Display Functions @@ -44,10 +94,10 @@ def recognize_speech(): lcd.clear() lcd.display_text(text, line=1) print("Speech recognized:", text) - except sr.UnknownValueError: + except speech.UnknownValueError: lcd.display_text(ERROR_BAD_REQUEST, line=1) print(ERROR_BAD_REQUEST) - except sr.RequestError: + except s.RequestError: lcd.display_text(ERROR_UNAUTHORIZED, line=1) print(ERROR_UNAUTHORIZED) |