ports/comms/lysdr/files/patch-sdr.c
2014-06-03 08:21:05 +00:00

39 lines
1.3 KiB
C

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