dmadrv_config.h

/***************************************************************************//**
 * @file
 * @brief DMADRV configuration file.
 *******************************************************************************
 * # License
 * <b>Copyright 2018 Silicon Laboratories Inc. www.silabs.com</b>
 *******************************************************************************
 *
 * SPDX-License-Identifier: Zlib
 *
 * The licensor of this software is Silicon Laboratories Inc.
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 *
 ******************************************************************************/
#ifndef __SILICON_LABS_DMADRV_CONFIG_H__
#define __SILICON_LABS_DMADRV_CONFIG_H__

#include "em_device.h"

/***************************************************************************//**
 * @addtogroup emdrv
 * @{
 ******************************************************************************/

/***************************************************************************//**
 * @addtogroup DMADRV
 * @{
 ******************************************************************************/

/// DMADRV DMA interrupt priority configuration option.
/// Set DMA interrupt priority. Range is 0..7, 0 is highest priority.
#ifndef EMDRV_DMADRV_DMA_IRQ_PRIORITY
#if (__NVIC_PRIO_BITS == 2)
#define EMDRV_DMADRV_DMA_IRQ_PRIORITY 3
#else
#define EMDRV_DMADRV_DMA_IRQ_PRIORITY 4
#endif
#endif

/// DMADRV DMA channel priority configuration option.
/// Set DMA channel priority. Range 0..EMDRV_DMADRV_DMA_CH_COUNT.
/// On LDMA, this will configure channel 0 to CH_PRIORITY - 1 as fixed priority,
/// and CH_PRIORITY to CH_COUNT as round-robin.
/// On DMA, this will have no impact, since high priority is unuseable with
/// peripherals.
#ifndef EMDRV_DMADRV_DMA_CH_PRIORITY
#define EMDRV_DMADRV_DMA_CH_PRIORITY 0
#endif

/// DMADRV channel count configuration option.
/// Number of DMA channels to support. A lower DMA channel count will reduce
/// ram memory footprint.
#ifndef EMDRV_DMADRV_DMA_CH_COUNT
#define EMDRV_DMADRV_DMA_CH_COUNT DMA_CHAN_COUNT
#endif

/** @} (end addtogroup DMADRV) */
/** @} (end addtogroup emdrv) */

#endif /* __SILICON_LABS_DMADRV_CONFIG_H__ */