/********************************************************************************** * * @file md_dma.c * @brief md_dma C file * * @date 26 Apr 2022 * @author AE Team * @note * Change Logs: * Date Author Notes * 26 Apr 2022 AE Team the first version * * Copyright (C) Shanghai Eastsoft Microelectronics Co. Ltd. All rights reserved. * * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the License); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an AS IS BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ********************************************************************************** */ /* Includes -------------------------------------------------------------------*/ #include "md_syscfg.h" #include "md_dma.h" #include #include /* Private types --------------------------------------------------------------*/ /* Private variables ----------------------------------------------------------*/ /* Private constants ----------------------------------------------------------*/ /* Private macros -------------------------------------------------------------*/ /* Private function prototypes ------------------------------------------------*/ /* Public functions -----------------------------------------------------------*/ void md_dma_init(DMA_TypeDef *DMAx, md_dma_init_typedef DMAx_init) { if (DMAx_init.type == MD_DMA_PRIMARY) { md_dma_enable_primary_mode(DMAx, DMAx_init.channal); md_dma_set_primary_channel_source_data_end_address(DMAx, DMAx_init.channal, DMAx_init.source_data_end_address); md_dma_set_primary_channel_destination_data_end_address(DMAx, DMAx_init.channal, DMAx_init.destination_data_end_address); md_dma_set_primary_channel_cycle_mode(DMAx, DMAx_init.channal, DMAx_init.cycle_mode); if ((DMAx_init.transfer_number - 1) > 0) { md_dma_set_primary_channel_transfer_number(DMAx, DMAx_init.channal, DMAx_init.transfer_number - 1); } else { md_dma_set_primary_channel_transfer_number(DMAx, DMAx_init.channal, 0); } md_dma_set_primary_channel_r_power(DMAx, DMAx_init.channal, DMAx_init.r_power); md_dma_set_primary_channel_source_address_size(DMAx, DMAx_init.channal, DMAx_init.source_address_size); md_dma_set_primary_channel_source_address_incremental(DMAx, DMAx_init.channal, DMAx_init.source_address_incremental); md_dma_set_primary_channel_destination_address_size(DMAx, DMAx_init.channal, DMAx_init.destination_address_size); md_dma_set_primary_channel_destination_address_incremental(DMAx, DMAx_init.channal, DMAx_init.destination_address_incremental); } else if (DMAx_init.type == MD_DMA_ALTERNATE) { md_dma_enable_alternate_mode(DMAx, DMAx_init.channal); md_dma_set_alternate_channel_source_data_end_address(DMAx, DMAx_init.channal, DMAx_init.source_data_end_address); md_dma_set_alternate_channel_destination_data_end_address(DMAx, DMAx_init.channal, DMAx_init.destination_data_end_address); md_dma_set_alternate_channel_cycle_mode(DMAx, DMAx_init.channal, DMAx_init.cycle_mode); if ((DMAx_init.transfer_number - 1) > 0) { md_dma_set_alternate_channel_transfer_number(DMAx, DMAx_init.channal, DMAx_init.transfer_number - 1); } else { md_dma_set_alternate_channel_transfer_number(DMAx, DMAx_init.channal, 0); } md_dma_set_alternate_channel_r_power(DMAx, DMAx_init.channal, DMAx_init.r_power); md_dma_set_alternate_channel_source_address_size(DMAx, DMAx_init.channal, DMAx_init.source_address_size); md_dma_set_alternate_channel_source_address_incremental(DMAx, DMAx_init.channal, DMAx_init.source_address_incremental); md_dma_set_alternate_channel_destination_address_size(DMAx, DMAx_init.channal, DMAx_init.destination_address_size); md_dma_set_alternate_channel_destination_address_incremental(DMAx, DMAx_init.channal, DMAx_init.destination_address_incremental); } if (DMAx_init.disable_auto_software_enable_channel == 0) md_dma_enable_channel(DMAx, DMAx_init.channal); } /** * @brief md_dma_set_channel_data_start_address_and_length * @param len: number of arrays * @param size: MD_DMA_CHANNEL_SIZE_BYTE MD_DMA_CHANNEL_SIZE_HALF_WORD MD_DMA_CHANNEL_SIZE_WORD * @retval None */ uint32_t md_dma_set_channel_data_start_address_and_length(uint32_t addr, uint32_t len, uint32_t size) { return (uint32_t)addr + ((len - 1) * (1 << size)); } /** * @brief md_dma_set_primary_channel_destination_data_start_address_and_length * @param ch: MD_DMA_CHANNEL0 MD_DMA_CHANNEL1 MD_DMA_CHANNEL2 MD_DMA_CHANNEL3 MD_DMA_CHANNEL4 MD_DMA_CHANNEL5 * @param len: number of arrays * @param size: MD_DMA_CHANNEL_CFG_DSTDATA_SIZE_BYTE MD_DMA_CHANNEL_CFG_DSTDATA_SIZE_HALF_WORD MD_DMA_CHANNEL_CFG_DSTDATA_SIZE_WORD * @retval None */ void md_dma_set_primary_channel_destination_data_start_address_and_length(DMA_TypeDef *DMAx, uint32_t ch, uint32_t addr, uint32_t len, uint32_t size) { md_dma_set_primary_channel_destination_data_end_address(DMAx, ch, (uint32_t)addr + ((len - 1) * (1 << size))); } /** * @brief md_dma_set_primary_channel_source_data_start_address_and_length * @param ch: MD_DMA_CHANNEL0 MD_DMA_CHANNEL1 MD_DMA_CHANNEL2 MD_DMA_CHANNEL3 MD_DMA_CHANNEL4 MD_DMA_CHANNEL5 * @param len: number of arrays * @param size: MD_DMA_CHANNEL_CFG_SRCDATA_SIZE_BYTE MD_DMA_CHANNEL_CFG_SRCDATA_SIZE_HALF_WORD MD_DMA_CHANNEL_CFG_SRCDATA_SIZE_WORD * @retval None */ void md_dma_set_primary_channel_source_data_start_address_and_length(DMA_TypeDef *DMAx, uint32_t ch, uint32_t addr, uint32_t len, uint32_t size) { md_dma_set_primary_channel_source_data_end_address(DMAx, ch, (uint32_t)addr + ((len - 1) * (1 << size))); }