| 0,0 → 1,21 |
|---|
| #ifndef __circular_buffer_h |
| #define __circular_buffer_h |
| |
| #define BUFFER_OK 0 |
| #define BUFFER_ERROR -1 |
| #define BUFFER_SIZE 512 |
| |
| typedef struct __BUFFER_DATA { |
| unsigned int index_read; |
| unsigned int index_write; |
| unsigned int stored_length; |
| unsigned char *buffer; |
| } BUFFER_DATA; // 7 bytes overhead |
| |
| void buffer_init(BUFFER_DATA *); |
| char buffer_insert_one(unsigned char); |
| char buffer_insert(unsigned char length, unsigned char *msg); |
| char buffer_read(unsigned char length, unsigned char *dest); |
| unsigned int buffer_free_space(void); |
| |
| #endif |