#ifndef __CIRCULAT_BUFFER__
#define __CIRCULAT_BUFFER__

#ifdef __cplusplus
extern "C"
{
#endif
#include <stdio.h>

    typedef enum
    {
        CB_OK = 0x00,
        CB_ERROR = -0x01,
        CB_EMPTY = -0x02,
        CB_FULL = -0x03
    } CB_StatusTypeDef;

    typedef struct
    {
        void *buffer;      // data buffer
        void *buffer_end;  // end of data buffer
        uint16_t capacity; // maximum number of items in the buffer
        uint16_t count;    // number of items in the buffer
        uint8_t item_size; // size of each item in the buffer
        void *head;        // pointer to head
        void *tail;        // pointer to tail
    } CB_TypeDef;

    CB_StatusTypeDef cb_init(CB_TypeDef *cb, void *buffer, uint16_t capacity, uint8_t item_size);
    CB_StatusTypeDef cb_push_back(CB_TypeDef *cb, const void *item);
    CB_StatusTypeDef cb_pop_front(CB_TypeDef *cb, void *item);

#ifdef __cplusplus
}
#endif

#endif /* __CIRCULAT_BUFFER__ */