NVEC_PS2
unsigned char buf[] = { NVEC_PS2, AUTO_RECEIVE_N, PACKET_SIZE };
unsigned char buf[] = { NVEC_PS2, CANCEL_AUTO_RECEIVE };
case NVEC_PS2:
unsigned char buf[] = { NVEC_PS2, SEND_COMMAND, ENABLE_MOUSE, 1 };
nvec_ps2_notifier(NULL, NVEC_PS2, msg->data);