#ifndef __H_CIRC_BUF
#define __H_CIRC_BUF

#include <stdint.h>

#define BUFFER_SIZE 64

typedef struct {
    char data[BUFFER_SIZE];
    uint8_t head;
    uint8_t tail;
    uint8_t count;
} circular_buffer_t;

void buffer_init(volatile circular_buffer_t* b);
uint8_t buffer_is_full(volatile circular_buffer_t* b);
uint8_t buffer_is_empty(volatile circular_buffer_t* b);
uint8_t buffer_enqueue(volatile circular_buffer_t* b, char c);
uint8_t buffer_dequeue(volatile circular_buffer_t* b, char* c);

#endif