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Searched refs:FFT_N (Results 1 – 3 of 3) sorted by relevance

/TwlSDK-5.4/build/demos/math/fft-1/src/
Dmain.c43 #define FFT_N (1 << FFT_NSHIFT) macro
51 static fx32 gFFTCos[FFT_N], gFFTSin[FFT_N];
52 static int gBitRevTable[FFT_N];
191 static fx32 data[FFT_N * 2]; in FFTTest()
192 static fx32 orig[FFT_N * 2]; in FFTTest()
193 static fx16 sinTable[FFT_N - FFT_N / 4]; in FFTTest()
194 static fx16 sinTable2[(FFT_N - FFT_N / 4) / 2]; in FFTTest()
203 OS_TPrintf("N = %d\n", FFT_N); in FFTTest()
206 for (i = 0; i < FFT_N; i++) in FFTTest()
208 orig[i * 2] = data[i * 2] = FX_SinIdx((65536 / FFT_N) * i); in FFTTest()
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/TwlSDK-5.4/build/demos/wm/wmPadRead-child/src/
Dmain.c57 #define FFT_N (1 << FFT_NSHIFT) macro
95 static fx16 sinTable[FFT_N - FFT_N / 4];
97 static fx16 sinTable2[(FFT_N - FFT_N / 4) / 2];
98 static fx32 data[FFT_N];
100 static fx32 data[FFT_N * 2];
102 static s32 power[FFT_N/2+1];
103 static s32 smoothedPower[FFT_N/2+1];
624 p = (u16 *)((u32)address - (FFT_N-1)*2); in CheckMicData()
630 for (i = 0; i < FFT_N; i++) in CheckMicData()
656 for (i = 0; i <= FFT_N/2; i++) in CheckMicData()
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/TwlSDK-5.4/build/demos/math/fft-2/src/
Dmain.c43 #define FFT_N (1 << FFT_NSHIFT) // Number of samples on which an FFT will be appl… macro
44 #define DRAW_STEP MATH_MAX(FFT_N/2/256,1) // Number of steps to render
45 #define DRAW_MAX MATH_MIN(FFT_N/2/DRAW_STEP, 256) // Independent power values other than …
138 static fx16 sinTable[FFT_N - FFT_N / 4];
140 static fx16 sinTable2[(FFT_N - FFT_N / 4) / 2];
141 static fx32 data[FFT_N];
143 static fx32 data[FFT_N * 2];
145 static s32 power[FFT_N/2+1];
146 static s32 smoothedPower[FFT_N/2+1];
840 p = (u16 *)((u32)address - (FFT_N-1)*2); in SetDrawData()
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