link_artxfer.h

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#ifndef RCBENCH_LINK_ARTXFER_H
#define RCBENCH_LINK_ARTXFER_H
 
#include <stdbool.h>
#include <stdint.h>
 
#include "link_pages.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
    uint16_t blocks;
    uint16_t width;    
    uint16_t height;   
    uint16_t format;   
    uint16_t crc;      
    uint32_t hash;     
    uint32_t bytes;    
} link_art_meta_t;

typedef struct {
    link_art_meta_t meta;
    uint8_t  *buf;     
    uint32_t  cap;                      
    uint32_t  at;      
    uint16_t  next;    
    bool      begun;                    
} link_artxfer_t;

bool link_artxfer_meta_ok(const uint16_t *meta, link_art_meta_t *out);

bool link_artxfer_begin(link_artxfer_t *x, const uint16_t *meta,
                        uint8_t *buf, uint32_t cap);

uint16_t link_artxfer_next(const link_artxfer_t *x);

bool link_artxfer_take(link_artxfer_t *x, const uint16_t *data);

bool link_artxfer_complete(const link_artxfer_t *x);

bool link_artxfer_verify(const link_artxfer_t *x);
 
/* --------------------------------------------- the IOmcu's side */

void link_artserve_meta(uint16_t *regs, uint16_t format, uint16_t width,
                        uint16_t height, uint32_t bytes, uint16_t crc,
                        uint32_t hash);

void link_artserve_block(uint16_t *regs, const uint8_t *payload,
                         uint32_t bytes, uint16_t block);
 
#ifdef __cplusplus
}
#endif
 
#endif /* RCBENCH_LINK_ARTXFER_H */