File syn_can.h¶

File List > drivers > syn_can.h
#ifndef SYN_CAN_H
#define SYN_CAN_H

#include "../common/syn_defs.h"
#include "../port/syn_port_can.h"

#include <stdbool.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

#if defined(SYN_USE_CAN_FD) && SYN_USE_CAN_FD
#define SYN_CAN_MAX_DATA_LEN 64U 
#else
#define SYN_CAN_MAX_DATA_LEN 8U 
#endif

typedef struct {
    uint32_t id;                        
    uint8_t data[SYN_CAN_MAX_DATA_LEN]; 
    uint8_t dlc;                        
    bool extended;                      
    bool rtr;                           
#if defined(SYN_USE_CAN_FD) && SYN_USE_CAN_FD
    bool is_fd; 
    bool brs;   
    bool esi;   
#endif
} SYN_CAN_Frame;

/* ── Callback ───────────────────────────────────────────────────────────── */

typedef void (*SYN_CAN_Callback)(const SYN_CAN_Frame *frame, void *ctx);

/* ── CAN instance ───────────────────────────────────────────────────────── */

typedef struct {
    uint8_t port;           
    uint32_t bitrate;       
    SYN_CAN_Callback on_rx; 
    void *on_rx_ctx;        
    uint32_t tx_count;      
    uint32_t rx_count;      
    uint32_t err_count;     
} SYN_CAN;

/* ── API ────────────────────────────────────────────────────────────────── */

SYN_Status syn_can_init(SYN_CAN *can, uint8_t port, uint32_t bitrate);

bool syn_can_send(SYN_CAN *can, const SYN_CAN_Frame *frame);

void syn_can_poll(SYN_CAN *can);

void syn_can_on_receive(SYN_CAN *can, SYN_CAN_Callback cb, void *ctx);

void syn_can_set_filter(const SYN_CAN *can, uint32_t id, uint32_t mask);

#ifdef __cplusplus
}
#endif

#endif /* SYN_CAN_H */