sapi_dual_frames.h

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#ifndef SAPI_DUAL_FRAMES_H
#define SAPI_DUAL_FRAMES_H
 
#include <stdint.h>
 
#include "safeapi/redundancy/dual/sapi_dual_types.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef enum sapi_dual_frame_kind_e
{
    SAPI_DUAL_FRAME_KIND_DATA = 0,
    SAPI_DUAL_FRAME_KIND_ACK = 1,
    SAPI_DUAL_FRAME_KIND_STATE = 2,
    SAPI_DUAL_FRAME_KIND_HEARTBEAT = 3
} sapi_dual_frame_kind_t;

typedef struct sapi_dual_frame_header_s
{
    uint8_t kind;
    uint8_t reserved[3];
} sapi_dual_frame_header_t;

typedef struct sapi_dual_ack_frame_s
{
    sapi_dual_frame_header_t header;
    uint32_t acked_sequence;
} sapi_dual_ack_frame_t;

typedef struct sapi_dual_state_frame_s
{
    sapi_dual_frame_header_t header;
    uint8_t state;
    uint8_t channel_degraded;
    uint16_t reserved;
    uint64_t timestamp_ms;
} sapi_dual_state_frame_t;

typedef struct sapi_dual_heartbeat_frame_s
{
    sapi_dual_frame_header_t header;
    uint64_t timestamp_ms;
} sapi_dual_heartbeat_frame_t;
 
#ifdef __cplusplus
}
#endif
 
#endif /* SAPI_DUAL_FRAMES_H */