Zephyr API Documentation 4.0.0-rc3
A Scalable Open Source RTOS
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dma_gd32.h
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1/*
2 * Copyright (c) 2022 TOKITA Hiroshi <tokita.hiroshi@gmail.com>
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7#ifndef ZEPHYR_INCLUDE_DRIVERS_DMA_GD32_H_
8#define ZEPHYR_INCLUDE_DRIVERS_DMA_GD32_H_
9
10#define GD32_DMA_CONFIG_DIRECTION(config) ((config >> 6) & 0x3)
11#define GD32_DMA_CONFIG_PERIPH_ADDR_INC(config) ((config >> 9) & 0x1)
12#define GD32_DMA_CONFIG_MEMORY_ADDR_INC(config) ((config >> 10) & 0x1)
13#define GD32_DMA_CONFIG_PERIPH_WIDTH(config) ((config >> 11) & 0x3)
14#define GD32_DMA_CONFIG_MEMORY_WIDTH(config) ((config >> 13) & 0x3)
15#define GD32_DMA_CONFIG_PERIPHERAL_INC_FIXED(config) ((config >> 15) & 0x1)
16#define GD32_DMA_CONFIG_PRIORITY(config) ((config >> 16) & 0x3)
17
18#define GD32_DMA_FEATURES_FIFO_THRESHOLD(threshold) (threshold & 0x3)
19
20#endif /* ZEPHYR_INCLUDE_DRIVERS_DMA_GD32_H_ */