dma_arc_hs.h File Reference

#include <zephyr/drivers/dma.h>

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Functions
int	dma_arc_hs_transfer (const struct device *dev, uint32_t channel, const void *src, void *dst, size_t len, k_timeout_t timeout)
	Blocking memory-to-memory transfer using ARC HS DMA.

Function Documentation

dma_arc_hs_transfer()

int dma_arc_hs_transfer	(	const struct device *	dev,
		uint32_t	channel,
		const void *	src,
		void *	dst,
		size_t	len,
		k_timeout_t	timeout )

Blocking memory-to-memory transfer using ARC HS DMA.

Parameters

dev	DMA device (from DEVICE_DT_GET)
channel	DMA channel (0 to N-1)
src	Source address (4-byte aligned)
dst	Destination address (4-byte aligned)
len	Transfer length in bytes
timeout	Timeout for the transfer

Returns

0 on success, negative errno on error