34 lines
1.3 KiB
C
34 lines
1.3 KiB
C
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#ifndef __RING_BUFFER_H__
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#define __RING_BUFFER_H__
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#include "uhsdr_types.h"
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typedef struct {
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int32_t size;
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int32_t sizeofItem;
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void* buffer; //buffer for filtered PCM data from Recv.
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} RingBuffer_conf_t;
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typedef struct {
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volatile uint16_t buffer_tail;
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volatile uint16_t buffer_head;
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const RingBuffer_conf_t conf;
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} RingBuffer_data_t;
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#define RingBuffer_Declare(name, type) typedef type name##_item_t; extern RingBuffer_data_t name;
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#define RingBuffer_Define(name, buf_size) name##_item_t name##_buffer[(buf_size)]; RingBuffer_data_t name = { .buffer_tail = 0, .buffer_head = 0, .conf = { .size = (buf_size), .sizeofItem = sizeof(name##_item_t) , .buffer = name##_buffer } };
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#define RingBuffer_DefineExtMem(name, buf_size, buf_addr) RingBuffer_data_t name = { .buffer_tail = 0, .buffer_head = 0, .conf = { .size = (buf_size), .sizeofItem = sizeof(name##_item_t) , .buffer = (buf_addr) } };
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void RingBuffer_ClearGetTail(RingBuffer_data_t* buf);
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void RingBuffer_ClearPutHead(RingBuffer_data_t* buf);
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int32_t RingBuffer_GetRoom(RingBuffer_data_t* buf);
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int32_t RingBuffer_GetData(RingBuffer_data_t* buf);
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bool RingBuffer_PutSamples(RingBuffer_data_t* buf, void* samples, int32_t len);
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bool RingBuffer_GetSamples(RingBuffer_data_t* buf, void* samples, int32_t len);
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#endif
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