| 12345678910111213141516171819202122232425262728293031 |
- #ifndef __CARLINK_UTILS_H
- #define __CARLINK_UTILS_H
- void hex2str(const uint8_t *input, uint16_t input_len, char *output);
- int string2hex(char *input, int input_len, char *output, int max_len);
- void str2asiistr(const char *input, int input_len, char *output, int max_len);
- typedef struct
- {
- uint8_t * buffer;
- //const uint8_t * end;
- uint32_t size;
- uint32_t mask;
- uint32_t read_offset;
- uint32_t write_offset;
- } ring_buffer_t;
- int ring_buffer_init( ring_buffer_t *ctx, int buffer_size);
- void ring_buffer_free( ring_buffer_t *ctx );
- uint32_t ring_buffer_write(ring_buffer_t *ctx, uint8_t *buffer, uint32_t len);
- uint32_t ring_buffer_read(ring_buffer_t *ctx, uint8_t *buffer, uint32_t len);
- /*#define ring_buffer_get_read_ptr( RING ) ( &(RING)->buffer[ (RING)->read_offset & (RING)->mask ] )
- #define ring_buffer_get_write_ptr( RING ) ( &(RING)->buffer[ (RING)->write_offset & (RING)->mask ] )
- #define ring_buffer_read_advance( RING, COUNT ) do { (RING)->read_offset += (COUNT); } while( 0 )
- #define ring_buffer_write_advance( RING, COUNT ) do { (RING)->write_offset += (COUNT); } while( 0 )
- #define ring_buffer_reset( RING ) do { (RING)->read_offset = (RING)->write_offset; } while( 0 )*/
- #define ring_buffer_get_bytes_used( RING ) ( (uint32_t)( (RING)->write_offset - (RING)->read_offset ) )
- #define ring_buffer_get_bytes_free( RING ) ( (RING)->size - ring_buffer_get_bytes_used( RING ) )
- #endif
|
