sense_win_link.h

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#pragma once
 
#include <stdbool.h>
#include <stdint.h>
 
#include "bench_state.h"
#include "link_pages.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#define SENSE_WIN_LINK_READ_MS 40u
 
#define SENSE_WIN_LINK_ACK       0
#define SENSE_WIN_LINK_NO_ANSWER (-1)

typedef struct {
    uint8_t page;
    uint8_t n;
} sense_win_link_op_t;

typedef struct {
    bool     up;              
    bool     page;            
    uint8_t  want;            
    uint8_t  pending;         
    uint32_t read_ms[2];      
    bool     asked[2];                  
    bool     have[2];         
    bool     have_prev[2];    
    uint16_t regs[2][LINK_SX_COUNT];    
    uint16_t prev[2][LINK_SX_COUNT];    
} sense_win_link_t;

void sense_win_link_init(sense_win_link_t *s);

void sense_win_link_lost(sense_win_link_t *s);

void sense_win_link_came_up(sense_win_link_t *s, uint16_t minor);

void sense_win_link_want(sense_win_link_t *s, uint8_t parts);

bool sense_win_link_next(sense_win_link_t *s, uint32_t now_ms,
                         sense_win_link_op_t *op);

void sense_win_link_done(sense_win_link_t *s, int result,
                         const uint16_t *regs);

bool sense_win_link_window(const sense_win_link_t *s, uint16_t window,
                           bench_chw_t *out);

void sense_win_link_ring(bench_chw_t *out, unsigned fast,
                         const bench_state_t *b);
 
#ifdef __cplusplus
}
#endif