switching back to the previous library

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)