import serial
import time

port = '/dev/ttyUSB0'
ser = serial.Serial(port, 2400, bytesize=8, parity='N', stopbits=1, timeout=2)

for cmd_str in ['QPIGS', 'QMOD', 'QGMN']:
    # CRC calcolati
    crcs = {'QPIGS': 0xB7A9, 'QMOD': 0x49C1, 'QGMN': 0x4928}
    
    cmd = cmd_str.encode()
    crc = crcs[cmd_str]
    cmd_full = cmd + bytes([crc >> 8, crc & 0xFF, 0x0D])
    
    print(f"\n=== {cmd_str} ===")
    print(f"Invio: {cmd_full.hex(' ')}")
    
    ser.write(cmd_full)
    time.sleep(0.5)
    
    resp = ser.read(200)
    print(f"Ricevuto ({len(resp)} bytes): {resp.hex(' ') if resp else '(nessuna risposta)'}")
    if resp:
        print(f"ASCII: {resp}")

ser.close()