host_bridge.py

# Placeholder file for now, I hope to expand this idea in the future
import serial
import time
import json
import urllib.request
import urllib.parse
from urllib.error import URLError
# Configure the serial connection (matching QEMU's configuration)
# The pip package 'pyserial' is required for this.
PORT = 'COM1'
BAUD = 38400

# Mock AI API (Since we don't have a real API key in this environment,
# we will simulate an AI response locally to prove the bridge works).
def query_mock_ai(prompt):
    print(f"[Host] Querying AI API with prompt: '{prompt}'")
    time.sleep(1) # Simulate network delay
    
    prompt = prompt.lower()
    if "hello" in prompt:
        return "Hello there! I am your AI assistant running on the Host machine."
    elif "math" in prompt or "calculus" in prompt:
        return "Calculus is the mathematical study of continuous change."
    elif "who are you" in prompt:
        return "I am the EduOS Host Bridge AI! Nice to meet you."
    else:
        return f"I received your query: '{prompt}'. This is a mock response from Windows!"


def run_bridge():
    try:
        # Note: We need a virtual serial port loopback if QEMU isn't pointing to a real one.
        # For simplicity, we assume QEMU is piped to a named pipe or physical port we can read
        ser = serial.Serial(PORT, BAUD, timeout=1)
        print(f"[Host] Bridge started. Listening on {PORT} at {BAUD} baud.")
        print("[Host] Waiting for AI requests from EduOS...")

        buffer = ""
        while True:
            if ser.in_waiting > 0:
                char = ser.read().decode('utf-8', errors='ignore')
                if char == '\n':
                    print(f"[Host] Received raw payload: {buffer}")
                    
                    # Parse the payload (e.g. "AI_REQ|TUTOR|What is calculus?")
                    parts = buffer.split('|')
                    if len(parts) >= 3 and parts[0] == "AI_REQ":
                        action = parts[1]
                        data = parts[2]
                        
                        print(f"[Host] Action: {action}, Data: {data}")
                        
                        # Get AI response
                        response = query_mock_ai(data)
                        print(f"[Host] Sending Response: {response}")
                        
                        # Send back over serial
                        ser.write((response + '\n').encode('utf-8'))
                        
                    buffer = "" # Clear buffer
                else:
                    buffer += char
            
            time.sleep(0.01)

    except serial.SerialException as e:
        print(f"[Error] Could not open serial port {PORT}: {e}")
        print("Please ensure QEMU is configured to forward COM1 to this port.")
        
if __name__ == "__main__":
    run_bridge()