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b7a3e7dc31
This patch introduces the periph to/from memory dma transfer define new values for dma cells on client side Signed-off-by: Francois Ramu <francois.ramu@st.com>
17 lines
721 B
C
17 lines
721 B
C
/*
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* Copyright (c) 2019 Song Qiang <songqiang1304521@gmail.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/* macros for channel-config */
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#define STM32_DMA_CONFIG_DIRECTION(config) (config & 0x3 << 6)
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#define STM32_DMA_CONFIG_PERIPH_ADDR_INC(config) (config & 0x1 << 9)
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#define STM32_DMA_CONFIG_MEM_ADDR_INC(config) (config & 0x1 << 10)
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#define STM32_DMA_CONFIG_PERIPH_DATA_SIZE(config) (config & (0x3 << 11))
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#define STM32_DMA_CONFIG_MEM_DATA_SIZE(config) (config & (0x3 << 13))
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#define STM32_DMA_CONFIG_PERIPH_INC_FIXED(config) (config & 0x1 << 15)
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#define STM32_DMA_CONFIG_PRIORITY(config) ((config >> 16) & 0x3)
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/* macros for features */
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#define STM32_DMA_FEATURES_FIFO_THRESHOLD(features) (features & 0x3)
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