/** * \file * * \brief SAM XDMA Controller (XDMAC) driver. * * Copyright (c) 2015 Atmel Corporation. All rights reserved. * * \asf_license_start * * \page License * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. The name of Atmel may not be used to endorse or promote products derived * from this software without specific prior written permission. * * 4. This software may only be redistributed and used in connection with an * Atmel microcontroller product. * * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * \asf_license_stop * */ /* * Support and FAQ: visit Atmel Support */ #include "xdmac.h" /** * \brief Configure DMA for a transfer. * * \param[out] xdmac Module hardware register base address pointer. * \param[in] channel_num The used channel number. * \param[in] cfg The configuration for used channel */ void xdmac_configure_transfer(Xdmac *xdmac, uint32_t channel_num, xdmac_channel_config_t *cfg) { Assert(xdmac); Assert(channel_num < XDMACCHID_NUMBER); Assert(cfg); xdmac_channel_get_interrupt_status( xdmac, channel_num); xdmac_channel_set_source_addr(xdmac, channel_num, cfg->mbr_sa); xdmac_channel_set_destination_addr(xdmac, channel_num, cfg->mbr_da); xdmac_channel_set_microblock_control(xdmac, channel_num, cfg->mbr_ubc); xdmac_channel_set_block_control(xdmac, channel_num, cfg->mbr_bc); xdmac_channel_set_datastride_mempattern(xdmac, channel_num, cfg->mbr_ds); xdmac_channel_set_source_microblock_stride(xdmac, channel_num, cfg->mbr_sus); xdmac_channel_set_destination_microblock_stride(xdmac, channel_num, cfg->mbr_dus); xdmac_channel_set_config(xdmac, channel_num, cfg->mbr_cfg ); }