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#ifndef BCPR_ENGINE_H
#define BCPR_ENGINE_H
#include "bcpr/bcpr_config.h"
#include "bcpr/bcpr_hdlc.h"
#include "bcpr/bcpr_lock.h"
#include "bcpr/bcpr_ser12.h"
#include <stdint.h>
struct bcpr_device {
bcpr_dev_config_t cfg;
bcpr_port_lock_t lock;
bcpr_ser12_t ser12;
bcpr_hdlc_t hdlc;
int running;
int index; /* 0 = bc0, 1 = bc1 */
/* S0 TX telemetry (reset on PTT rise, emit on PTT fall). */
int ptt_was;
int64_t ptt_on_ns;
unsigned thr_writes;
unsigned max_tick_gap_us;
unsigned last_tick_us;
unsigned tick_count; /* bit ticks while keyed */
unsigned long long gap_sum_us; /* for mean gap */
unsigned gaps_gt_2x; /* gaps > 2× baud_us */
int tx_div_set; /* UART baud_uartdiv applied for this PTT */
int break_set; /* txd_bias=steady: LCR break asserted */
/* Software TOT runtime (see tot_* in bcpr_dev_config_t). */
int tot_tripped;
int tot_burst_total;
int tot_consecutive;
unsigned tot_last_off_us;
unsigned tot_key_start_us;
};
typedef void (*bcpr_rx_fn)(int dev_idx, const uint8_t *kiss, int len, void *ud);
struct bcpr_engine {
bcpr_config_t cfg;
bcpr_device_t dev[BCPR_MAX_DEVICES];
int n;
volatile int stop;
bcpr_rx_fn on_rx;
void *on_rx_ud;
/* 0 = forever; >0 stop after wall-clock seconds (tests / dry-run). */
int run_seconds;
/* BCPR_CAL_* on all enabled devices; 0 = normal KISS/HDLC. */
int cal_mode;
};
int bcpr_engine_open(bcpr_engine_t *e, const bcpr_config_t *cfg);
void bcpr_engine_close(bcpr_engine_t *e);
void bcpr_engine_set_rx(bcpr_engine_t *e, bcpr_rx_fn fn, void *ud);
int bcpr_engine_queue_kiss(bcpr_engine_t *e, int dev_idx, const uint8_t *kiss,
int len);
/* Apply DOS-style cal (high/low/alt) before bcpr_engine_run. */
void bcpr_engine_set_cal(bcpr_engine_t *e, int cal_mode);
/* Run until e->stop or run_seconds elapses. Dry-run skips UART I/O. */
int bcpr_engine_run(bcpr_engine_t *e);
#endif
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