| /* | |
| * Copyright (c) 2019 Song Qiang <songqiang1304521@gmail.com> | |
| * | |
| * SPDX-License-Identifier: Apache-2.0 | |
| */ | |
| /* macros for channel-config */ | |
| #define STM32_DMA_CONFIG_PERIPH_ADDR_INC(config) (config & 0x1 << 9) | |
| #define STM32_DMA_CONFIG_MEM_ADDR_INC(config) (config & 0x1 << 10) | |
| #define STM32_DMA_CONFIG_PERIPH_INC_FIXED(config) (config & 0x1 << 15) | |
| #define STM32_DMA_CONFIG_PRIORITY(config) ((config >> 16) & 0x3) | |
| /* macros for features */ | |
| #define STM32_DMA_FEATURES_FIFO_THRESHOLD(features) (features & 0x3) |