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39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
--- sdr.c.orig 2011-11-26 16:01:22.000000000 -0800
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+++ sdr.c 2014-06-02 03:45:08.000000000 -0700
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@@ -26,6 +26,8 @@
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#include <fftw3.h>
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#include <string.h>
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+double complex cexp(double complex z);
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+
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#include "filter.h"
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#include "sdr.h"
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@@ -56,7 +58,7 @@
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// actually do the SDR bit
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int i, j, k;
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double y, accI, accQ;
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- complex c;
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+ complex double c;
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fft_data_t *fft = sdr->fft;
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int size = sdr->size;
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int block_size = MIN(size, FFT_SIZE); // ensure we don't try to copy a block larger than FFT_SIZE
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@@ -73,8 +75,8 @@
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// copy this period to FFT buffer, or as much as will fit
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// note that if the jack periodsize is greater than FFT_LEN, it will only copy FFT_LEN samples
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- memmove(fft->samples, fft->samples+block_size, sizeof(complex)*(FFT_SIZE-block_size)); // move the last lot up
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- memmove(fft->samples+FFT_SIZE-block_size, sdr->iqSample, sizeof(complex)*block_size); // copy the current block
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+ memmove(fft->samples, fft->samples+block_size, sizeof(complex double)*(FFT_SIZE-block_size)); // move the last lot up
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+ memmove(fft->samples+FFT_SIZE-block_size, sdr->iqSample, sizeof(complex double)*block_size); // copy the current block
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// shift frequency
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@@ -123,6 +125,7 @@
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}
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break;
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}
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+ return 0;
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}
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void fft_setup(sdr_data_t *sdr) {
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