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Move samples of int16_t format to sample_t, that is of type double

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This prepares the correction of all levels
This commit is contained in:
Andreas Eversberg
2017-01-27 16:57:34 +01:00
parent 538a959128
commit 7ea3bc188d
74 changed files with 471 additions and 447 deletions
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7
src/bnetz/bnetz.h
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@@ -1,3 +1,4 @@
#include "../common/goertzel.h"
#include "../common/sender.h"
/* fsk modes of transmission */
@@ -74,9 +75,9 @@ typedef struct bnetz {
/* dsp states */
enum dsp_mode dsp_mode; /* current mode: audio, durable tone 0 or 1, "Telegramm" */
int fsk_coeff[2]; /* coefficient k = 2*cos(2*PI*f/samplerate), k << 15 */
goertzel_t fsk_goertzel[2]; /* filter for fsk decoding */
int samples_per_bit; /* how many samples lasts one bit */
int16_t *fsk_filter_spl; /* array with samples_per_bit */
sample_t *fsk_filter_spl; /* array with samples_per_bit */
int fsk_filter_pos; /* current sample position in filter_spl */
int fsk_filter_step; /* number of samples for each analyzation */
int fsk_filter_bit; /* last bit, so we detect a bit change */
@@ -90,7 +91,7 @@ typedef struct bnetz {
double phaseshift256[2]; /* how much the phase of sine wave changes per sample */
double phase256; /* current phase */
int telegramm; /* set, if there is a valid telegram */
int16_t *telegramm_spl; /* 16 * samples_per_bit */
sample_t *telegramm_spl; /* 16 * samples_per_bit */
int telegramm_pos; /* current sample position in telegramm_spl */
/* loopback test for latency */