fixedpointfir.h

CHP 4 - Real-Time Digital Signal Processing: Implementations and Applications, Second Edition by Sen

// 
//  Project: Example 4.20: fixed-point implementation of FIR filter - Chapter 4
//  File name: fixedPointFir.h   
//
//  Description: This is the header file for fixed-point FIR filter
//
//  For the book "Real Time Digital Signal Processing: 
//                Implementation and Application, 2nd Ed"
//                By Sen M. Kuo, Bob H. Lee, and Wenshun Tian
//                Publisher: John Wiley and Sons, Ltd
//

#define  NUM_TAPS   48
#define  NUM_DATA   40

void fixedPointBlockFir(short *x, short blkSize, 
                        short *h, short order, 
                        short *y, 
                        short *w, short *index);