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omit: unused buffer refiq

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TT 2019-08-10 14:13:56 +09:00
parent 398eae3106
commit c4edf2a6eb
3 changed files with 1 additions and 8 deletions
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3
dsp.c
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@ -22,9 +22,7 @@
#include "nanovna.h" #include "nanovna.h"
int16_t samp_buf[SAMPLE_LEN]; int16_t samp_buf[SAMPLE_LEN];
int16_t ref_state[STATE_LEN];
int16_t ref_buf[SAMPLE_LEN]; int16_t ref_buf[SAMPLE_LEN];
int16_t refiq_buf[AUDIO_BUFFER_LEN];
const int16_t sincos_tbl[48][2] = { const int16_t sincos_tbl[48][2] = {
{ 10533, 31029 }, { 27246, 18205 }, { 32698, -2143 }, { 24636, -21605 }, { 10533, 31029 }, { 27246, 18205 }, { 32698, -2143 }, { 24636, -21605 },
@ -86,6 +84,7 @@ dsp_process(int16_t *capture, size_t length)
void void
calculate_gamma(float gamma[2]) calculate_gamma(float gamma[2])
{ {
// calculate reflection coeff. by samp divide by ref
float rs = acc_ref_s; float rs = acc_ref_s;
float rc = acc_ref_c; float rc = acc_ref_c;
float rr = rs * rs + rc * rc; float rr = rs * rs + rc * rc;

2
main.c
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@ -272,8 +272,6 @@ duplicate_buffer_to_dump(int16_t *p)
p = samp_buf; p = samp_buf;
else if (dump_selection == 2) else if (dump_selection == 2)
p = ref_buf; p = ref_buf;
else if (dump_selection == 3)
p = refiq_buf;
memcpy(dump_buffer, p, sizeof dump_buffer); memcpy(dump_buffer, p, sizeof dump_buffer);
} }
#endif #endif

4
nanovna.h
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@ -80,13 +80,9 @@ extern int16_t rx_buffer[];
#define STATE_LEN 32 #define STATE_LEN 32
#define SAMPLE_LEN 48 #define SAMPLE_LEN 48
extern int16_t ref_state[];
extern int16_t ref_buf[]; extern int16_t ref_buf[];
extern int16_t samp_buf[]; extern int16_t samp_buf[];
//extern int16_t refq_buf[];
extern int16_t refiq_buf[];
void dsp_process(int16_t *src, size_t len); void dsp_process(int16_t *src, size_t len);
void reset_dsp_accumerator(void); void reset_dsp_accumerator(void);
void calculate_gamma(float *gamma); void calculate_gamma(float *gamma);