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#ifndef HYBBX_KISS_H
#define HYBBX_KISS_H
#include "hybbx/types.h"
#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define HYBBX_KISS_FEND 0xC0u
#define HYBBX_KISS_FESC 0xDBu
#define HYBBX_KISS_TFEND 0xDCu
#define HYBBX_KISS_TFESC 0xDDu
typedef enum hybbx_kiss_command {
HYBBX_KISS_CMD_DATA = 0x00,
HYBBX_KISS_CMD_TXDELAY = 0x01,
HYBBX_KISS_CMD_PERSIST = 0x02,
HYBBX_KISS_CMD_SLOTTIME = 0x03,
HYBBX_KISS_CMD_TXTAIL = 0x04,
HYBBX_KISS_CMD_FULLDUPLEX = 0x05,
HYBBX_KISS_CMD_SETHARDWARE = 0x06
} hybbx_kiss_command_t;
#define HYBBX_KISS_MAX_FRAME 2048
typedef void (*hybbx_kiss_frame_cb)(uint8_t port, const uint8_t *frame,
size_t len, void *userdata);
typedef struct hybbx_kiss_decoder {
uint8_t buf[HYBBX_KISS_MAX_FRAME];
size_t len;
int in_frame;
int escape;
} hybbx_kiss_decoder_t;
void hybbx_kiss_decoder_init(hybbx_kiss_decoder_t *dec);
/**
* Feed raw serial bytes; complete KISS frames invoke @p cb.
*/
void hybbx_kiss_decoder_feed(hybbx_kiss_decoder_t *dec,
const uint8_t *data, size_t len,
hybbx_kiss_frame_cb cb, void *userdata);
/**
* Encode a KISS frame into @p out (must hold at least @p out_cap bytes).
* Returns encoded length or 0 on error.
*/
size_t hybbx_kiss_encode(uint8_t port, hybbx_kiss_command_t cmd,
const uint8_t *payload, size_t payload_len,
uint8_t *out, size_t out_cap);
#ifdef __cplusplus
}
#endif
#endif /* HYBBX_KISS_H */
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