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add 'rt_ringbuffer_peak' API

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malongwei
2020-11-22 14:20:02 +08:00
parent 9dc0bbb814
commit d6c8b46dad
2 changed files with 35 additions and 0 deletions
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components/drivers/include/ipc/ringbuffer.h
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@@ -71,6 +71,7 @@ rt_size_t rt_ringbuffer_put_force(struct rt_ringbuffer *rb, const rt_uint8_t *pt
rt_size_t rt_ringbuffer_putchar(struct rt_ringbuffer *rb, const rt_uint8_t ch);
rt_size_t rt_ringbuffer_putchar_force(struct rt_ringbuffer *rb, const rt_uint8_t ch);
rt_size_t rt_ringbuffer_get(struct rt_ringbuffer *rb, rt_uint8_t *ptr, rt_uint16_t length);
rt_size_t rt_ringbuffer_peak(struct rt_ringbuffer *rb, rt_uint8_t **ptr);
rt_size_t rt_ringbuffer_getchar(struct rt_ringbuffer *rb, rt_uint8_t *ch);
rt_size_t rt_ringbuffer_data_len(struct rt_ringbuffer *rb);