import serial
import pyaudio
import numpy as np

SERIAL_PORT = '/dev/ttyACM0'  # Change this to your serial port
BAUD_RATE = 1500000
CHUNK_SIZE = 256  # Number of frames in each block

p = pyaudio.PyAudio()

stream = p.open(format=pyaudio.paInt16,
                channels=2,
                rate=16000,
                output=True)

ser = serial.Serial(SERIAL_PORT, BAUD_RATE)

print("Streaming audio...")

try:
    while True:
        data = ser.read(CHUNK_SIZE * 4)  # 2 channels × 2 bytes
        if not data:
            break

        audio_data = np.frombuffer(data, dtype=np.int16)
        stream.write(audio_data.tobytes())

except KeyboardInterrupt:
    print("Stopping audio stream...")

finally:
    stream.stop_stream()
    stream.close()
    p.terminate()
    ser.close()