/* inBuf存取I、Q信號緩沖區，16位，緩沖區大小1024 */
/*outBuf存取解調后數據緩沖區，32位，緩沖區大小256*/
/* arctan ()為反正切函數*/
demodulateFSK(INT16 *inBuf,Uint32 *outBuf,INT16 Length)
{
	INT16 i;
	for(i=0;i<=Length;i+4)
	{
		*outBuf[i/4]=arctan(inBuf[i+1]/inBuf[i])- arctan(inBuf[i+3]/inBuf[I+2]);
	}
}