Sends array data trough serial COM port.
serial_writearray(port, hnd);
hnd = array_new(); array_setdata(hnd, 0x33, 0x11, 0x55, 0x66, 0x22); result = serial_writearray("COM10", hnd); array_delete(hnd);
result:
5; 0x33, 0x11, 0x55, 0x66, 0x22
serial_writeflush, array_new, array_delete, array_setdata