fir_coff.inc

用DSP仿真实现FIR滤波器

         .sect "fir_coff";128-fir-0.3-*2^15-dec
fir_coff .word 0,      1,      5,      6,      0,    -11,    -16,     -6,     14
         .word 27,     18,    -10,    -36,    -34,      0,     40,     52,     18
         .word -37,    -69,    -44,     25,     81,     74,      0,    -85,   -106
         .word  -37,     75,    135,     85,    -47,   -155,   -140,      0,    159
         .word 199,     69,   -140,   -254,   -160,     90,    296,    270,      0
         .word -312,   -396,   -139,    287,    532,    342,   -198,   -672,   -635
         .word   0,    806,   1085,    410,   -926,  -1923,  -1437,   1024,   4805
         .word 8307,   9830,   8307,   4805,   1024,  -1437,  -1923,   -926,    410
         .word 1085,    806,      0,   -635,   -672,   -198,    342,    532,    287
         .word -139,   -396,   -312,      0,    270,    296,     90,   -160,   -254
         .word -140,     69,    199,    159,      0,   -140,   -155,    -47,     85
         .word 135,     75,    -37,   -106,    -85,      0,     74,     81,     25
         .word -44,    -69,    -37,     18,     52,     40,      0,    -34,    -36
         .word -10,     18,     27,     14,     -6,    -16,    -11,      0,      6
         .word 5,      1
                 .data 
fir_coff_tbl
                 .space 128*16
sin_noise  ;*2^14 to dec
         .word -920,5179,12761,16169,17718,13807,9693,4490,-4931,-11093
         .word -14091,-15733,-17195,-12557,-8083,-270,7275,12467,16992,17428
         .word 14277,8293,3910,-3681,-8971,-12844,-15435,-16360,-13658,-5890
         .word -562,7098,13015,17191,15852,13360,11211,4136,-2576,-9133
         .word -15589,-15862,-14321,-12920,-6872,873,6591,11316,14844,15833
         .word 13096,9586,4709,-2065,-11070,-12862,-16279,-15528,-12768,-5069
         .word -19,5897,10834,17049,14897,14191,9250,2675,-2050,-9532,-14305
         .word -14849,-17056,-11318,-5778,1074,5436,10589,16199,17500,14613
         .word 10404,4145,-1769,-8357,-15063,-16928,-16070,-12132,-6365
         .word 1133,6375,13294,14826,16017,14311,9525,2709,-4460,-10764
         .word -13954,-15303,-17112,-12062,-6668,1492,7477,12354,16862,16703
         .word 15309,8515,2465,-2702,-10841,-15529,-17032,-17210,-12456,-8214
         .word 687,8098,11323,14536,15696,15457,10128,2260,-2812,-10004
         .word -14556,-16295,-16737,-11889,-5531,295,8156,12359,14429,17877
         .word 13890,8456,3619,-4218,-9667,-14306,-14783,-16807,-13159,-7256
         .word 423,5440,12671,15980,17287,13362,9553,3043,-4378,-11175
         .word -12872,-16535,-16755,-10709,-6957,-1208,7927,10839,14475, 14888
         .word 13747,8821,2210,-2478,-9776,-14682,-16450,-14569,-10761,-6167
         .word -933,7252,13515,14763,17476,14094,9649,3735,-2365,-8791
         .word -14312,-14815,-15147,-12374,-5600,619,7326,13771,17071,17445
         .word 13498,9752,3453,-4705,-9911,-13937,-15060,-15778,-11422,-5453
         .word 706,7649,12852,16374,14718,15453,9712,3286,-4831,-8930
         .word -14225,-15744,-14985,-13160,-5298,1198,7941,12319,14399,16131
         .word 15792,8698,3229,-4010,-9582,-12938,-16491,-15688,-11170,-7105
         .word -945,8299,11040,16009,16675,12552,7994,4302,-2661,-10222
         .word -14458,-15696,-14990,-13141,-5561,684
         .space 128*16
data_buf .space 128*16 ;for circular addressing
res_buf  .space 256*16