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/** @addtogroup dma_defines
*/
/*
* This file is part of the libopencm3 project.
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/* THIS FILE SHOULD NOT BE INCLUDED DIRECTLY, BUT ONLY VIA DMA.H
The order of header inclusion is important. dma.h includes the device
specific memorymap.h header before including this header file.*/
/**@{*/
/** @cond */
#ifdef LIBOPENCM3_DMA_H
/** @endcond */
#pragma once
/* DMA channel selection register (DMAx_CSELR) */
#define DMA_CSELR(dma_base) MMIO32((dma_base) + 0xA8)
#define DMA1_CSELR DMA_CSELR(DMA1)
#define DMA2_CSELR DMA_CSELR(DMA2)
/* --- DMA_CSELR values -------------------------------------------- */
#define DMA_CSELR_CxS_SHIFT(channel) (4 * ((channel) - 1))
#define DMA_CSELR_CxS_MASK (0x0f)
/* --- Function prototypes ------------------------------------------------- */
BEGIN_DECLS
void dma_set_channel_request(uint32_t dma, uint8_t channel, uint8_t request);
END_DECLS
/** @cond */
#else
#warning "dma_common_csel.h should not be included explicitly, only via dma.h"
#endif
/** @endcond */
/**@}*/
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