| /* |
| * Copyright (c) 2019 Song Qiang <songqiang1304521@gmail.com> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| /* macros for channel-config */ |
| #define STM32_DMA_CONFIG_DIRECTION(config) (config & 0x3 << 6) |
| #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_DATA_SIZE(config) (config & (0x3 << 11)) |
| #define STM32_DMA_CONFIG_MEM_DATA_SIZE(config) (config & (0x3 << 13)) |
| #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) |
