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- #ifndef BUFFER_H
- #define BUFFER_H
- struct ring_buffer
- {
- char* data_ptr;
- int max_len;
- volatile int read_pos;
- volatile int write_pos;
- };
- struct ring_buffer* alloc_ring_buffer(int len);
- void free_ring_buffer(struct ring_buffer* rb);
- char* get_ring_buffer_write_ptr(struct ring_buffer* rb, int* max_len);
- void move_ring_buffer_write_pos(struct ring_buffer*rb, int len);
- char* get_ring_buffer_read_ptr(struct ring_buffer* rb, int* read_len);
- void move_ring_buffer_read_pos(struct ring_buffer*rb, int len);
- int is_ring_buffer_empty(struct ring_buffer* rb);
- void reset_ring_buffer(struct ring_buffer* rb);
- #endif
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