SetRS232Motor33f(int hUSB,short speed1,short speed2,unsigned char SpeedFlag) {

	unsigned int n;
	unsigned char sbuf[20];
	int ress=0;
	unsigned char tt=0;
	sbuf[0] = 255;
	sbuf[1] = 0x07;
	sbuf[2] = (unsigned char)speed1;
	sbuf[3] = (unsigned char)(speed1 >> 8);
	sbuf[4] = (unsigned char)speed2;
	sbuf[5] = (unsigned char)(speed2 >> 8);

	sbuf[6] = SpeedFlag;

	short mycrcsend = crc16(sbuf+1,6);

	sbuf[7] = (unsigned char)mycrcsend;
	sbuf[8] = (unsigned char)(mycrcsend >> 8);

	ress = writers232(hUSB, sbuf, 9,&n);
	return ress;
}