| #ifndef SIMTRACE_RINGBUF_H |
| #define SIMTRACE_RINGBUF_H |
| |
| #include <stdint.h> |
| #include <stdbool.h> |
| #include <sys/types.h> |
| |
| #define RING_BUFLEN 1024 |
| |
| typedef struct ringbuf { |
| uint8_t buf[RING_BUFLEN]; |
| size_t ird; |
| size_t iwr; |
| } ringbuf; |
| |
| void rbuf_reset(volatile ringbuf * rb); |
| uint8_t rbuf_read(volatile ringbuf * rb); |
| uint8_t rbuf_peek(volatile ringbuf * rb); |
| void rbuf_write(volatile ringbuf * rb, uint8_t item); |
| bool rbuf_is_empty(volatile ringbuf * rb); |
| bool rbuf_is_full(volatile ringbuf * rb); |
| |
| #endif /* end of include guard: SIMTRACE_RINGBUF_H */ |