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64 lines
2.7 KiB
C
64 lines
2.7 KiB
C
/*
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* SPDX-License-Identifier: MIT
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*
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* Copyright (C) 2023-2024 OpenMV, LLC.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* STM32 DMA helper functions.
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*/
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#ifndef __STM_DMA_H__
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#define __STM_DMA_H__
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#include <stdint.h>
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#include <stdbool.h>
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#include STM32_HAL_H
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extern const DMA_InitTypeDef stm_dma_csi_init;
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extern const DMA_InitTypeDef stm_dma_spi_init;
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extern const DMA_InitTypeDef stm_dma_sai_init;
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extern const DMA_InitTypeDef stm_dma_dfsdm_init;
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extern const DMA_InitTypeDef stm_dma_mdf_init;
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uint8_t stm_dma_channel_to_irqn(void *dma_channel);
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uint8_t stm_dma_channel_to_id(void *dma_channel);
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int stm_dma_set_irq_descr(void *dma_channel, DMA_HandleTypeDef *dma_descr);
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uint8_t stm_dma_mpu_region_size(uint32_t size);
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int stm_dma_init(DMA_HandleTypeDef *dma_descr, void *dma_channel, uint32_t request,
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uint32_t direction, uint32_t ssize, uint32_t dsize, uint32_t ports,
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const DMA_InitTypeDef *init, bool circular);
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#if defined(STM32N6)
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int stm_dma_ll_init(DMA_HandleTypeDef *dma_descr, DMA_QListTypeDef *dma_queue,
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DMA_NodeTypeDef *dma_nodes, size_t nodes_count, uint32_t ports);
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#endif
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#ifdef OMV_MDMA_CHANNEL_DCMI_0
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#include "omv_csi.h"
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#define MDMA_BUFFER_SIZE (64)
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#define MDMA_CHAN_TO_INSTANCE(x) \
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(MDMA_Channel_TypeDef *) (MDMA_Channel0_BASE + ((MDMA_Channel1_BASE - MDMA_Channel0_BASE) * x))
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void stm_mdma_init(omv_csi_t *csi, uint32_t bytes_per_pixel, uint32_t x_crop);
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void stm_mdma_init_channel(omv_csi_t *csi, MDMA_InitTypeDef *init, uint32_t bytes_per_pixel, uint32_t x_crop);
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void stm_mdma_start(omv_csi_t *csi, uint32_t src, uint32_t dst, uint32_t line_width, uint32_t line_count);
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#endif // OMV_MDMA_CHANNEL_DCMI_0
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#endif // __STM_DMA_H__
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