cart_bus.h

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#ifndef BRICK_CART_CART_BUS_H
#define BRICK_CART_CART_BUS_H
#include <stdint.h>
#include <stdbool.h>
 
/* ===========================================================
 * Types et structures
 * =========================================================== */
 
typedef enum {
    CART1 = 0,  
    CART2 = 1,  
    CART3 = 2,  
    CART4 = 3,  
    CART_COUNT
} cart_id_t;
 
typedef struct {
    volatile uint32_t tx_sent;     
    volatile uint32_t tx_dropped;  
    volatile uint32_t mb_full;     
    volatile uint16_t mb_high_water; 
} cart_tx_stats_t;
 
extern cart_tx_stats_t cart_stats[CART_COUNT];
 
/* ===========================================================
 * API publique
 * =========================================================== */
 
void cart_bus_init(void);
 
bool cart_set_param(cart_id_t id, uint16_t param, uint8_t value);
 
bool cart_get_param(cart_id_t id, uint16_t param);
 
uint16_t cart_bus_get_mailbox_high_water(cart_id_t id);
#endif /* BRICK_CART_CART_BUS_H */