/*
 * Userspace HS timing trace (EG 3.0.1.6) — buffered in uartd, flushed to JSONL.
 * Independent of POG422_HW_DEBUG (does not change burst-on-fall capture).
 *
 * Enable: POG422_TIMING_TRACE=1
 * Path:   POG422_TIMING_TRACE_PATH (default data/hs_timing.jsonl)
 */
#ifndef POG422_TIMING_TRACE_H
#define POG422_TIMING_TRACE_H

#include <stdint.h>

#define POG422_TIMING_TRACE_VERSION 1u
#define POG422_TIMING_US_RING_MAX 4096u

/* Userspace / merged event type strings written as JSON "type" field. */
#define POG422_TT_HDR "hdr"
#define POG422_TT_KERNEL_GPIO "k_gpio_int"
#define POG422_TT_KERNEL_RX "k_rx_urb"
#define POG422_TT_GPIO_STAT_RTT "us_gpio_stat_rtt"
#define POG422_TT_POLL_WAKE "us_poll_wake"
#define POG422_TT_HS_OBS "us_hs_obs"
#define POG422_TT_CAP_BEGIN "us_cap_begin"
#define POG422_TT_CAP_END "us_cap_end"
#define POG422_TT_INJECT_START "us_inject_start"
#define POG422_TT_DE_OFF "us_de_off"
#define POG422_TT_POST_DE "us_post_de"
#define POG422_TT_X1_SEEN "us_x1_seen"
#define POG422_TT_AUTO_CLOSE_START "us_auto_close_start"
#define POG422_TT_AUTO_CLOSE_DONE "us_auto_close_done"
#define POG422_TT_INJECT_DONE "us_inject_done"
#define POG422_TT_DROP "us_drop"

typedef struct {
    uint64_t mono_ns;
    uint32_t type_id; /* internal enum below */
    uint32_t a;
    uint32_t b;
    uint64_t c;
} pog422_tt_rec_t;

enum {
    POG422_TT_ID_GPIO_STAT_RTT = 1,
    POG422_TT_ID_POLL_WAKE = 2,
    POG422_TT_ID_HS_OBS = 3,
    POG422_TT_ID_CAP_BEGIN = 4,
    POG422_TT_ID_CAP_END = 5,
    POG422_TT_ID_INJECT_START = 6,
    POG422_TT_ID_DE_OFF = 7,
    POG422_TT_ID_POST_DE = 8,
    POG422_TT_ID_X1_SEEN = 9,
    POG422_TT_ID_AUTO_CLOSE_START = 10,
    POG422_TT_ID_AUTO_CLOSE_DONE = 11,
    POG422_TT_ID_INJECT_DONE = 12,
    POG422_TT_ID_KERNEL_GPIO = 13,
    POG422_TT_ID_KERNEL_RX = 14,
    POG422_TT_ID_DROP = 15,
};

#endif /* POG422_TIMING_TRACE_H */