dma_decls.h

// Copyright 2023 ETH Zurich and University of Bologna.
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0
 
#pragma once
 
#include <stdint.h>
 
typedef uint32_t snrt_dma_txid_t;
 
static inline uint32_t snrt_dma_busy(const uint32_t channel = 0);
 
static inline uint32_t snrt_dma_would_block(const uint32_t channel = 0);
 
inline snrt_dma_txid_t snrt_dma_start_2d(uint64_t dst, uint64_t src,
                                         size_t size, size_t dst_stride,
                                         size_t src_stride, size_t repeat,
                                         const uint32_t channel = 0);
 
inline uint32_t snrt_dma_start_1d(uint64_t dst, uint64_t src, size_t size,
                                  const uint32_t channel = 0);
 
inline void snrt_dma_memset(void *ptr, uint8_t value, uint32_t len);