tone_svc.h

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#pragma once
 
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
 
#include "edge_ring.h"
#include "tone.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#define TONE_SVC_SYS_HZ   150000000u  
#define TONE_SVC_TICK_HZ  (TONE_SVC_SYS_HZ / 4u)  
#define TONE_SVC_HOLD_NS  8000u
#define TONE_SVC_MARGIN_US 20u
#define TONE_RING_WORDS   4096u
#define TONE_SVC_BATCH    64u
#define TONE_SVC_BEEPS    TONE_BEEP_QUEUE

typedef struct {
    uint16_t gen;            
    uint16_t cap_gen;        
    bool     run;            
    uint32_t f_min_hz,                      
             f_max_hz,                      
             split_pct,                     
             gap_ms,                        
             min_periods;                   
} tone_cmd_t;

typedef struct {
    uint32_t start_ms;       
    uint16_t len_dms;        
    uint16_t freq_dhz;       
    uint16_t bursts;         
    uint16_t carrier_hhz;    
    uint8_t  flags;          
} tone_rec_t;

typedef struct {
    uint16_t gen;            
    uint16_t cap_gen;        
    bool     running;        
    bool     overrun;        
    bool     beep;           
    bool     tone;           
    uint16_t window;         
    uint16_t win_freq_dhz;              
    uint16_t win_periods;               
    uint32_t lost;           
    uint32_t glitches;                  
} tone_status_t;

typedef struct {
    tone_t         det;
    tone_holdoff_t hold;     
    edge_ring_t    ring;                
    uint16_t gen,                           
             cap_gen;                       
    bool           active;              
    bool           overrun;
    uint8_t        discard;
    tone_edge_t    batch[TONE_SVC_BATCH];
} tone_svc_t;

void tone_svc_init(tone_svc_t *s);

uint64_t tone_svc_ticks(uint64_t us);

size_t tone_svc_step(tone_svc_t *s, const tone_cmd_t *cmd,
                     const uint32_t *ring, uint32_t wr, uint64_t now,
                     bool fifo_overrun, tone_rec_t *rec, tone_status_t *st);

void tone_svc_rec(const tone_beep_t *b, tone_rec_t *r);

void tone_svc_cfg(const tone_cmd_t *cmd, tone_cfg_t *c);
 
#ifdef __cplusplus
}
#endif