#ifndef __DMA_RING_BUFFER_H__ #define __DMA_RING_BUFFER_H__ #include #include #include struct dma_ring_buffer_to_mem { void *data_ptr; size_t buffer_count; DMA_Stream_TypeDef *dma; size_t get_idx; uint8_t base_dma_id; size_t element_size; }; 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); int dma_ring_buffer_periph_to_mem_get_data(struct dma_ring_buffer_to_mem *buff, const void **data_buff, size_t *len); void dma_ring_buffer_periph_to_mem_stop(struct dma_ring_buffer_to_mem *buff); #endif /* __DMA_RING_BUFFER_H__ */