17 lines
609 B
C
17 lines
609 B
C
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/* Copyright 2016 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/**
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* Select DMA stream-channel mapping
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*
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* This selects which stream (peripheral) to be used on a specific channel.
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* Some STM32 chips simply logically OR requests, thus do not require this
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* selection.
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*
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* @param channel: (Global) channel # base 0 (Note some STM32s use base 1)
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* @param peripheral: Refer to the TRM for 'peripheral request signals'
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*/
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void dma_select_channel(enum dma_channel channel, unsigned char stream);
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