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spandsp 0.0.6
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#include <inttypes.h>#include <string.h>#include <stdlib.h>#include <stdio.h>#include <time.h>#include <fcntl.h>#include "floating_fudge.h"#include "spandsp/telephony.h"#include "spandsp/fast_convert.h"#include "spandsp/dc_restore.h"#include "spandsp/complex.h"#include "spandsp/dds.h"#include "spandsp/tone_generate.h"#include "spandsp/private/tone_generate.h"Macros | |
| #define | M_PI 3.14159265358979323846264338327 |
Functions | |
| tone_gen_descriptor_t * | tone_gen_descriptor_init (tone_gen_descriptor_t *s, int f1, int l1, int f2, int l2, int d1, int d2, int d3, int d4, int repeat) |
| Create a tone generator descriptor. | |
| void | tone_gen_descriptor_free (tone_gen_descriptor_t *s) |
| int | tone_gen (tone_gen_state_t *s, int16_t amp[], int max_samples) |
| tone_gen_state_t * | tone_gen_init (tone_gen_state_t *s, tone_gen_descriptor_t *t) |
| int | tone_gen_release (tone_gen_state_t *s) |
| int | tone_gen_free (tone_gen_state_t *s) |
| tone_gen_descriptor_t * tone_gen_descriptor_init | ( | tone_gen_descriptor_t * | s, |
| int | f1, | ||
| int | l1, | ||
| int | f2, | ||
| int | l2, | ||
| int | d1, | ||
| int | d2, | ||
| int | d3, | ||
| int | d4, | ||
| int | repeat | ||
| ) |
Create a tone generator descriptor.
Create a tone generator descriptor
| s | The descriptor |
| f1 | The first frequency, in Hz |
| l1 | The level of the first frequency, in dBm0 |
| f2 | 0 for no second frequency, a positive number for the second frequency, in Hz, or a negative number for an AM modulation frequency, in Hz |
| l2 | The level of the second frequency, in dBm0, or the percentage modulation depth for an AM modulated tone. |
| d1 | x |
| d2 | x |
| d3 | x |
| d4 | x |
| repeat | x |
References dds_phase_rate(), dds_phase_ratef(), dds_scaling_dbm0(), and dds_scaling_dbm0f().
Referenced by adsi_tx_init(), and r2_mf_tx_init().