2020-02-05 23:09:23 +01:00
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#ifndef __DMA_RING_BUFFER_H__
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#define __DMA_RING_BUFFER_H__
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2020-02-09 19:13:37 +01:00
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#include <stdbool.h>
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#include <stm32f4xx.h>
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#include <stddef.h>
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2020-02-10 22:38:24 +01:00
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struct dma_ring_buffer_to_mem {
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void *data_ptr;
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2020-02-09 19:13:37 +01:00
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size_t buffer_count;
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DMA_Stream_TypeDef *dma;
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size_t get_idx;
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uint8_t base_dma_id;
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2020-02-10 22:38:24 +01:00
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size_t element_size;
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2020-02-09 19:13:37 +01:00
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};
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2020-02-10 22:38:24 +01:00
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int dma_ring_buffer_periph_to_mem_initialize(struct dma_ring_buffer_to_mem *dma_buffer, uint8_t base_dma_id, DMA_Stream_TypeDef *dma_stream, size_t buffer_element_count, size_t element_size, void *data_buffer, void *src_reg, uint8_t dma_trigger_channel);
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int dma_ring_buffer_periph_to_mem_get_data(struct dma_ring_buffer_to_mem *buff, const void **data_buff, size_t *len);
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void dma_ring_buffer_periph_to_mem_stop(struct dma_ring_buffer_to_mem *buff);
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2020-02-05 23:09:23 +01:00
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#endif /* __DMA_RING_BUFFER_H__ */
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2020-02-09 19:13:37 +01:00
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