esp_dma_calculate_node_count() function

Calculate the number of DMA linked list nodes required for a given buffer size

Syntax

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Summary

Declaration

Definition

size_t esp_dma_calculate_node_count(size_t buffer_size, size_t buffer_alignment, size_t max_buffer_size_per_node);

Argument

Description

buffer_size

Total size of the buffer

buffer_alignment

Alignment requirement for the buffer

max_buffer_size_per_node

Maximum buffer size that each node can handle

Number of DMA linked list nodes required

from examples