40 lines
918 B
C++
40 lines
918 B
C++
#ifndef RECORDER_BUFFER_H
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#define RECORDER_BUFFER_H
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#ifdef __cplusplus
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#include <cstdint>
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extern "C" {
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#else
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#include <stdint.h>
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#endif
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// размер буфера, должен быть 2^x
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#define CHANNEL_BUFFER_SIZE 2048
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#define CHANNEL_BUFFER_SIZE_MASK (CHANNEL_BUFFER_SIZE - 1)
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typedef struct {
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uint64_t timepoint;
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uint32_t duration;
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} BufferItem_t;
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// Структура кольцевого буфера
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typedef struct {
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volatile uint32_t head;
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volatile uint32_t tail;
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volatile uint32_t overruns;
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BufferItem_t buffer[CHANNEL_BUFFER_SIZE];
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} ChannelBuffer_t;
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void ChannelBuffer_reset(ChannelBuffer_t *buffer);
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void ChannelBuffer_push(ChannelBuffer_t *buffer, const BufferItem_t* item);
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int ChannelBuffer_pop(ChannelBuffer_t *buffer, BufferItem_t* dest);
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extern ChannelBuffer_t buffer_ch1;
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extern ChannelBuffer_t buffer_ch2;
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#ifdef __cplusplus
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}
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#endif
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#endif //RECORDER_BUFFER_H
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