#ifndef CARD_OS_RING_BUFFER
#define CARD_OS_RING_BUFFER

#include "user/card-os.h"

enum
{
  OS_RING_BUFFER_SIZE = 16
};

typedef struct
{
  unsigned int write_index;
  unsigned int read_index;

  os_message buffer[OS_RING_BUFFER_SIZE];
} os_ring_buffer;

int os_ring_buffer_write(volatile os_ring_buffer* ring_buffer,
                         const os_message* message);

#endif // CARD_OS_RING_BUFFER