📄 main.c.bak
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#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <tms320.h>
#include <dsplib.h>
extern int fft_out[2048];
#if 1
float finput[1024]={
.4319, -0.1904, -0.7418, 0.5228, 0.6840, -0.6140, -0.2561, 0.1303, -0.0570, 0.5579, -0.0266, -0.7188, 0.1533, 0.1745, 0.1101,
0.4626, -0.5501, -0.5080, 0.4884, 0.0923, 0.1954, 0.1166, -0.7323, 0.0345, 0.4942, -0.0619, 0.1200, -0.2389, -0.4268, 0.5463,
0.3258, -0.5454, -0.0832, 0.1359, 0.0097, 0.4382, -0.2033, -0.6892, 0.3850, 0.4650, -0.2698, -0.0901, -0.0466, -0.0706, 0.1576,
0.0099, 0.1365, -0.0258, -0.5275, 0.2308, 0.6145, -0.3764, -0.3035, 0.1219, -0.0841, 0.4690, 0.1287, -0.7154, 0.0442, 0.1714,
0.0777, 0.5159, -0.3982, -0.5232, 0.3370, 0.1254, -0.0063, 0.0336, -0.0791, -0.0088, 0.0412, -0.0050, -0.0489, -0.0039, -0.1266,
0.2095, 0.3528, -0.5282, -0.2776, 0.5103, 0.0557, -0.1482, -0.0007, -0.0798, 0.0291, 0.0314, 0.0129, 0.0451, -0.0439, -0.0097,
-0.0469, -0.0429, 0.1072, 0.0015, 0.1883, -0.0525, -0.5925, 0.2574, 0.4238, -0.1206, 0.1225, -0.4151, -0.2583, 0.5638, 0.0540,
-0.1838, 0.0038, -0.0278, 0.0108, 0.0525, -0.1037, -0.2835, 0.4456, 0.4066, -0.6055, -0.1896, 0.3043, 0.0177, -0.1030, 0.0284,
0.3656, -0.2543, -0.6677, 0.6057, 0.5779, -0.6816, -0.2266, 0.3449, 0.0183, -0.1053, 0.0318, 0.4098, -0.2505, -0.6059, 0.3059,
0.0929, 0.2275, 0.3062, -0.4604, -0.0704, -0.1991, -0.0471, 0.5170, -0.0468, 0.1088, -0.2002, -0.4960, 0.3760, 0.2221, -0.1644,
-0.0496, 0.2355, 0.0378, -0.6220, 0.1216, 0.5773, -0.1660, -0.1566, 0.0112, -0.0397, 0.0431, 0.0234, -0.0499, -0.0264, 0.0800,
-0.0001, 0.1750, -0.0784, -0.5486, 0.3033, 0.4425, -0.2031, 0.0508, -0.4335, -0.2790, 1.0000, 0.0646, -0.8696, 0.1019, 0.0624,
0.1516, 0.5236, -0.4223, -0.3741, 0.2539, 0.0913, -0.1814, -0.1100, 0.5581, 0.0304, -0.4785, 0.0316, -0.2238, 0.2400, 0.3913,
-0.1897, 0.0640, -0.4156, -0.2043, 0.6373, 0.0168, -0.2009, -0.0049, -0.1328, 0.0643, 0.0540, 0.0260, 0.0788, -0.0922, -0.0155,
-0.1214, -0.0939, 0.5306, 0.0162, -0.7003, 0.1518, 0.3845, -0.0783, 0.0999, -0.2853, -0.3139, 0.6149, 0.1952, -0.5879, -0.0049,
0.1328, 0.0448, 0.4523, -0.3289, -0.6361, 0.4602, 0.3404, -0.2406, -0.0657, 0.0947, 0.0517, -0.3982, 0.0000, 0.8234, -0.2538,
-0.8412, 0.4294, 0.4508, -0.2833, -0.0977, 0.0958, 0.0412, -0.3240, 0.0064, 0.6632, -0.1775, -0.4874, 0.1575, 0.1331, -0.0953,
-0.1739, 0.3945, 0.3076, -0.7044, -0.1584, 0.4669, -0.0040, 0.1607, -0.1325, -0.5681, 0.3800, 0.4370, -0.3279, -0.1182, 0.1167,
0.0350, -0.2986, 0.0182, 0.6454, -0.1907, -0.4839, 0.1637, 0.1312, -0.0974, -0.1695, 0.3996, 0.2941, -0.7083, -0.1428, 0.4665,
-0.0083, 0.1430, -0.1347, -0.5360, 0.3924, 0.4522, -0.3950, -0.1491, 0.1183, -0.0025, 0.0786, -0.0048, -0.0396, -0.0013, -0.0266,
0.0155, 0.0145, -0.0045, -0.0000, 0.0000, 0.0000, -0.0000, -0.0000, 0.0000, -0.0000, -0.0000, 0.0000, 0.0000, -0.0034, -0.0113,
0.0213, 0.0120, -0.0093, 0.0040, -0.0514, 0.0044, 0.0020, 0.0376, 0.2618, -0.2747, -0.5527, 0.6382, 0.5879, -0.8333, -0.3478,
0.6656, 0.0799, -0.2772, 0.0100, -0.0182, 0.0282, 0.0651, -0.0120, 0.0425, -0.1057, -0.0555, 0.0200, -0.0312, 0.4614, -0.0718,
-0.6877, 0.1786, 0.1116, 0.1664, 0.4277, -0.4072, -0.1569, -0.1357, -0.1942, 0.6281, 0.0801, -0.3562, 0.0228, 0.1556, -0.1133,
-0.4009, 0.3741, 0.3381, -0.2215, 0.0462, -0.4668, -0.1018, 0.8817, -0.1170, -0.8530, 0.3317, 0.8207, -0.5450, -0.6168, 0.4174,
0.0891, 0.2339, 0.2072, -0.6724, -0.0731, 0.4067, -0.0256, -0.0009, -0.0318, -0.0628, 0.0291, 0.0143, -0.0195, -0.0088, -0.0088,
-0.0107, 0.2490, -0.0699, -0.6686, 0.3620, 0.9367, -0.6478, -0.6526, 0.3941, 0.0231, 0.3374, 0.2053, -0.5482, -0.0268, -0.1181,
0.0853, 0.6856, -0.3244, -0.4417, 0.1394, -0.1114, 0.4481, 0.2546, -0.7057, -0.0462, 0.1993, 0.0358, 0.5298, -0.3072, -0.6243,
0.3192, 0.1456, 0.0997, 0.2182, -0.5540, -0.2412, 0.8309, 0.0639, -0.8731, 0.1563, 0.6164, -0.2229, -0.2306, 0.0795, -0.0134,
0.0869, 0.0332, -0.0287, 0.0062, -0.2780, 0.0969, 0.6740, -0.3953, -0.8906, 0.6664, 0.6233, -0.4405, -0.0652, -0.2667, -0.1733,
0.6651, 0.0279, -0.3740, 0.0360, 0.0206, 0.0129, 0.0206, -0.0344, -0.0811, 0.2796, 0.1567, -0.6285, -0.0237, 0.5304, -0.0747,
-0.1361, 0.0076, -0.0247, 0.0192, 0.0318, -0.1052, -0.1459, 0.4588, 0.1879, -0.7854, -0.0201, 0.8133, -0.1960, -0.7226, 0.4040,
0.6026, -0.5454, -0.3401, 0.4105, 0.0758, -0.1131, -0.0003, 0.0000, -0.0000, 0.0254, -0.0579, -0.2423, 0.3363, 0.4708, -0.6788,
-0.4215, 0.8083, 0.2167, -0.8425, 0.0000, 0.8353, -0.2075, -0.5527, 0.2146, 0.1590, -0.0822, -0.0673, 0.2423, 0.1192, -0.6341,
0.0088, 0.6670, -0.1272, -0.1728, -0.0682, -0.3526, 0.4397, 0.4976, -0.6277, -0.2948, 0.3992, 0.0330, 0.1622, -0.0105, -0.6127,
0.2063, 0.5915, -0.2928, -0.2460, 0.1040, -0.0163, 0.1168, 0.0299, -0.0464, -0.0035, -0.2783, 0.1413, 0.6633, -0.4778, -0.8671,
0.7551, 0.5738, -0.4461, -0.0312, -0.3248, -0.1227, 0.5723, -0.0159, 0.0643, -0.1542, -0.7111, 0.5583, 0.6851, -0.6611, -0.3051,
0.4021, 0.0507, -0.0969, 0.0006, -0.0242, 0.0077, 0.0171, -0.0163, -0.0435, 0.0393, -0.0074, 0.1401, 0.1579, -0.5485, -0.1299,
0.6795, -0.0402, -0.3387, 0.0514, 0.0092, 0.0295, 0.0339, -0.0224, -0.0077, 0.0219, 0.0043, 0.0152, -0.0098, -0.2775, 0.1631,
0.6347, -0.4772, -0.7512, 0.7044, 0.5365, -0.6289, -0.2119, 0.3022, 0.0191, 0.0415, -0.0127, -0.1240, 0.0079, -0.1442, 0.2422,
0.3882, -0.5404, -0.2568, 0.4114, 0.0389, -0.1319, 0.0179, 0.3288, -0.1928, -0.5940, 0.3311, 0.2255, 0.0938, 0.3185, -0.7269,
-0.3638, 0.9080, 0.1240, -0.8149, 0.0968, 0.7504, -0.2898, -0.5370, 0.3055, 0.1878, -0.0962, 0.0052, -0.0740, -0.0106, 0.0203,
0.0089, 0.1351, -0.0525, -0.0257, -0.1125, -0.3469, 0.5097, 0.4111, -0.4765, -0.0644, -0.2264, -0.0641, 0.6411, -0.0801, -0.3293,
0.0703, 0.0956, -0.1384, -0.2508, 0.4989, 0.2612, -0.6215, -0.0503, 0.1726, 0.0233, 0.4337, -0.2604, -0.6639, 0.4385, 0.4332,
-0.2912, -0.0799, -0.0486, -0.0565, 0.1598, 0.0044, 0.1521, -0.0646, -0.5329, 0.2923, 0.5277, -0.3580, -0.2060, 0.1228, -0.0021,
0.0754, 0.0067, -0.0395, -0.0008, -0.0276, 0.0120, 0.0157, -0.0039, 0.0000, -0.0000, -0.0000, 0.0000, 0.0000, -0.0000, 0.0004,
-0.0171, 0.0053, 0.0252, -0.0019, 0.0298, -0.0529, -0.0445, 0.0002, -0.0533, 0.3667, 0.0352, -0.6843, 0.1299, 0.4686, -0.1255,
-0.1337, 0.1077, 0.2281, -0.4249, -0.3515, 0.6147, 0.1554, -0.3062, -0.0077, 0.1463, -0.0596, -0.4245, 0.2961, 0.5046, -0.3971,
-0.2066, 0.1364, -0.0052, 0.1034, 0.0039, -0.0499, -0.0060, -0.0782, 0.0379, 0.0224, 0.0596, 0.1823, -0.3837, -0.3515, 0.8351,
0.2832, -0.9974, -0.0201, 0.5100, -0.0284, 0.2455, -0.2755, -0.4917, 0.4242, 0.2111, -0.1478, 0.0045, -0.1042, -0.0013, 0.0511,
0.0039, 0.0543, -0.0276, -0.0188, -0.0237, -0.0571, 0.0693, 0.0062, 0.1280, 0.0862, -0.5307, 0.0000, 0.7128, -0.1739, -0.4035,
0.0838, -0.1254, 0.3494, 0.3408, -0.6289, -0.1412, 0.2443, 0.0018, 0.5485, -0.2344, -0.9870, 0.5270, 0.7508, -0.4543, -0.2570,
0.1491, 0.0447, -0.1548, -0.0795, 0.5344, -0.0159, -0.6250, 0.1438, 0.2611, -0.0813, -0.0907, 0.1823, 0.2126, -0.5566, -0.1599,
0.6225, -0.0158, -0.1633, -0.0378, -0.3695, 0.3135, 0.6027, -0.5668, -0.5287, 0.6930, 0.3680, -0.8218, -0.1905, 0.8884, -0.0380,
-0.5415, 0.0699, -0.1443, 0.3012, 0.5642, -0.7425, -0.4498, 0.7656, 0.1266, -0.3626, 0.0102, 0.0865, -0.0452, -0.2906, 0.2808,
0.5435, -0.5070, -0.3682, 0.3221, 0.0744, -0.0558, -0.0053, 0.0280, 0.0021, 0.1751, -0.1354, -0.5044, 0.3781, 0.3414, -0.1520,
0.0858, -0.4799, -0.1230, 0.6287, -0.0368, -0.1890, -0.0036, -0.1018, 0.0622, 0.0418, 0.0120, 0.0359, -0.0509, -0.0065, -0.0503,
-0.0181, 0.1078, -0.0010, 0.1775, -0.1545, -0.5187, 0.4014, 0.3355, -0.1551, 0.0815, -0.4852, -0.1067, 0.6312, -0.0473, -0.1885,
-0.0038, -0.1009, 0.0643, 0.0459, -0.0014, 0.0174, -0.0257, -0.0045, -0.0113, -0.0040, 0.0278, -0.0012, 0.0206, -0.0195, -0.0417,
0.0048, -0.0569, 0.1979, 0.1736, -0.6190, -0.1145, 0.9891, -0.1312, -0.8302, 0.2024, 0.1105, 0.1717, 0.4465, -0.5311, -0.3516,
0.3551, 0.0651, -0.0403, 0.0000, -0.0000, 0.0067, 0.1757, -0.1629, -0.4783, 0.4169, 0.3118, -0.1610, 0.0726, -0.4950, -0.0740,
0.6353, -0.0682, -0.1933, 0.0028, -0.0733, 0.0507, 0.0456, -0.0478, -0.0469, 0.0751, -0.0003, 0.1774, 0.0394, -0.6024, 0.1132,
0.5028, -0.1055, 0.1135, -0.3353, -0.4480, 0.7283, 0.3031, -0.8090, -0.0721, 0.8863, -0.1591, -0.7678, 0.2246, 0.1335, 0.1639,
0.4207, -0.5591, -0.3447, 0.3880, 0.0567, 0.0164, 0.0078, -0.1063, 0.0097, -0.0140, 0.0247, 0.0422, -0.0143, 0.0187, -0.0668,
-0.0255, 0.0059, -0.0090, 0.3581, -0.1131, -0.6672, 0.3071, 0.4987, -0.2396, -0.1071, -0.0198, -0.0589, 0.1031, 0.0135, 0.0438,
0.0052, -0.1058, 0.0063, -0.1123, 0.1526, 0.3907, -0.4623, -0.3944, 0.5639, 0.1379, -0.1533, 0.0070, -0.5189, 0.1624, 0.7084,
-0.2488, -0.1516, -0.1563, -0.3951, 0.5758, 0.3202, -0.3941, -0.0526, 0.0292, -0.0007, 0.0272, -0.0121, -0.1329, 0.1596, 0.3820,
-0.4567, -0.3380, 0.4553, 0.0901, -0.1402, -0.0004, 0.0000, -0.0000, 0.0324, -0.0719, -0.2877, 0.3730, 0.4680, -0.5684, -0.2672,
0.3193, 0.0380, -0.0334, 0.0000};
float data2 ,data3;
#endif
void main()
{
//FILE *f_serial;
//int fftPdata[8];
int fftdata[2048];
int i,j;
int k=0x500;
int log = 9;
long fft_log[512];
#if 0
for(j=0;j<1024;j++)
{
data2 = 1.0;
fftdata[j] =0;
finput[j] +=1.0;
for(i=0;i<16;i++)
{
fftdata[j] *= 2;
data3 =finput[j]-data2;
if(data3>=0)
{
finput[j] =data3 ;
fftdata[j]++;
}
data2 *=0.5;
}
fftdata[j] =fftdata[j] +0x8000;
}
#endif
#if 1
for(i=0;i<1024;i++){
fftdata[i*2] = 0;
fftdata[i*2+1] = 0x0;
// k=k+0x100;
}
for(i=0;i<4;i++){
fftdata[i*2] = k;
// fftdata[i*2+1] = k;
}
#endif
cFFT(fftdata,log);
// cFFT(fftdata);
log_10(fft_out,fft_log,512);
return;
}
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