476 lines
17 KiB
C
476 lines
17 KiB
C
/**
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**************************************************************************
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* @file at32f403a_407_dma.c
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* @brief contains all the functions for the dma firmware library
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**************************************************************************
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* Copyright notice & Disclaimer
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*
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* The software Board Support Package (BSP) that is made available to
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* download from Artery official website is the copyrighted work of Artery.
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* Artery authorizes customers to use, copy, and distribute the BSP
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* software and its related documentation for the purpose of design and
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* development in conjunction with Artery microcontrollers. Use of the
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* software is governed by this copyright notice and the following disclaimer.
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*
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* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
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* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
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* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
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* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
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* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
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*
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**************************************************************************
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*/
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#include "at32f403a_407_conf.h"
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/** @addtogroup AT32F403A_407_periph_driver
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* @{
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*/
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/** @defgroup DMA
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* @brief DMA driver modules
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* @{
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*/
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#ifdef DMA_MODULE_ENABLED
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/** @defgroup DMA_private_functions
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* @{
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*/
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/**
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* @brief reset the dmax channely registers.
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* @param dmax_channely:
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* this parameter can be one of the following values:
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* - DMA1_CHANNEL1
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* - DMA1_CHANNEL2
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* - DMA1_CHANNEL3
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* - DMA1_CHANNEL4
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* - DMA1_CHANNEL5
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* - DMA1_CHANNEL6
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* - DMA1_CHANNEL7
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* - DMA2_CHANNEL1
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* - DMA2_CHANNEL2
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* - DMA2_CHANNEL3
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* - DMA2_CHANNEL4
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* - DMA2_CHANNEL5
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* - DMA2_CHANNEL6
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* - DMA2_CHANNEL7
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* @retval none
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*/
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void dma_reset(dma_channel_type* dmax_channely)
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{
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uint32_t temp = 0;
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dmax_channely->ctrl_bit.chen = FALSE;
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dmax_channely->ctrl = 0;
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dmax_channely->dtcnt = 0;
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dmax_channely->paddr = 0;
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dmax_channely->maddr = 0;
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temp = (uint32_t)dmax_channely;
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if((temp & 0x4ff) < 0x408)
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{
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/* dma1 channel */
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DMA1->clr |= (uint32_t)(0x0f << ((((temp & 0xff) - 0x08) / 0x14) * 4));
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}
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else if((temp & 0x4ff) < 0x488)
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{
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/* dma2 channel */
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DMA2->clr |= (uint32_t)(0x0f << ((((temp & 0xff) - 0x08) / 0x14) * 4));
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}
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}
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/**
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* @brief set the number of data to be transferred
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* @param dmax_channely:
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* this parameter can be one of the following values:
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* - DMA1_CHANNEL1
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* - DMA1_CHANNEL2
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* - DMA1_CHANNEL3
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* - DMA1_CHANNEL4
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* - DMA1_CHANNEL5
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* - DMA1_CHANNEL6
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* - DMA1_CHANNEL7
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* - DMA2_CHANNEL1
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* - DMA2_CHANNEL2
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* - DMA2_CHANNEL3
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* - DMA2_CHANNEL4
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* - DMA2_CHANNEL5
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* - DMA2_CHANNEL6
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* - DMA2_CHANNEL7
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* @param data_number: the number of data to be transferred(0x0000~0xFFFF)
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* transfer.
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* @retval none.
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*/
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void dma_data_number_set(dma_channel_type* dmax_channely, uint16_t data_number)
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{
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dmax_channely->dtcnt = data_number;
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}
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/**
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* @brief get number of data from dtcnt register
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* @param dmax_channely:
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* this parameter can be one of the following values:
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* - DMA1_CHANNEL1
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* - DMA1_CHANNEL2
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* - DMA1_CHANNEL3
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* - DMA1_CHANNEL4
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* - DMA1_CHANNEL5
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* - DMA1_CHANNEL6
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* - DMA1_CHANNEL7
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* - DMA2_CHANNEL1
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* - DMA2_CHANNEL2
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* - DMA2_CHANNEL3
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* - DMA2_CHANNEL4
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* - DMA2_CHANNEL5
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* - DMA2_CHANNEL6
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* - DMA2_CHANNEL7
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* @retval the number of data.
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*/
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uint16_t dma_data_number_get(dma_channel_type* dmax_channely)
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{
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return (uint16_t)dmax_channely->dtcnt;
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}
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/**
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* @brief enable or disable dma interrupt
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* @param dmax_channely:
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* this parameter can be one of the following values:
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* - DMA1_CHANNEL1
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* - DMA1_CHANNEL2
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* - DMA1_CHANNEL3
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* - DMA1_CHANNEL4
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* - DMA1_CHANNEL5
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* - DMA1_CHANNEL6
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* - DMA1_CHANNEL7
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* - DMA2_CHANNEL1
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* - DMA2_CHANNEL2
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* - DMA2_CHANNEL3
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* - DMA2_CHANNEL4
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* - DMA2_CHANNEL5
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* - DMA2_CHANNEL6
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* - DMA2_CHANNEL7
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* @param dma_int:
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* this parameter can be any combination of the following values:
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* - DMA_FDT_INT
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* - DMA_HDT_INT
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* - DMA_DTERR_INT
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* @param new_state (TRUE or FALSE)
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* @retval none
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*/
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void dma_interrupt_enable(dma_channel_type* dmax_channely, uint32_t dma_int, confirm_state new_state)
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{
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if (new_state != FALSE)
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{
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dmax_channely->ctrl |= dma_int;
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}
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else
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{
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dmax_channely->ctrl &= ~dma_int;
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}
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}
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/**
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* @brief enable or disable dma channely
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* @param dmax_channely:
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* this parameter can be one of the following values:
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* - DMA1_CHANNEL1
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* - DMA1_CHANNEL2
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* - DMA1_CHANNEL3
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* - DMA1_CHANNEL4
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* - DMA1_CHANNEL5
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* - DMA1_CHANNEL6
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* - DMA1_CHANNEL7
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* - DMA2_CHANNEL1
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* - DMA2_CHANNEL2
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* - DMA2_CHANNEL3
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* - DMA2_CHANNEL4
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* - DMA2_CHANNEL5
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* - DMA2_CHANNEL6
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* - DMA2_CHANNEL7
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* @param new_state (TRUE or FALSE)
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* @retval None
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*/
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void dma_channel_enable(dma_channel_type* dmax_channely, confirm_state new_state)
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{
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dmax_channely->ctrl_bit.chen = new_state;
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}
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/**
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* @brief initialize the dma_x flexible function according to the specified parameters.
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* @param dma_x:
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* this parameter can be one of the following values:
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* - DMA1
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* - DMA2
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* @param flex_channelx:
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* this parameter can be one of the following values:
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* - FLEX_CHANNEL1
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* - FLEX_CHANNEL2
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* - FLEX_CHANNEL3
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* - FLEX_CHANNEL4
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* - FLEX_CHANNEL5
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* - FLEX_CHANNEL6
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* - FLEX_CHANNEL7
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* @param flexible_request: every peripheral have specified hardware_id.
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* this parameter can be one of the following values:
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* - DMA_FLEXIBLE_ADC1 - DMA_FLEXIBLE_ADC3 - DMA_FLEXIBLE_DAC1 - DMA_FLEXIBLE_DAC2
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* - DMA_FLEXIBLE_SPI1_RX - DMA_FLEXIBLE_SPI1_TX - DMA_FLEXIBLE_SPI2_RX - DMA_FLEXIBLE_SPI2_TX
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* - DMA_FLEXIBLE_SPI3_RX - DMA_FLEXIBLE_SPI3_TX - DMA_FLEXIBLE_SPI4_RX - DMA_FLEXIBLE_SPI4_TX
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* - DMA_FLEXIBLE_I2S2EXT_RX - DMA_FLEXIBLE_I2S2EXT_TX - DMA_FLEXIBLE_I2S3EXT_RX - DMA_FLEXIBLE_I2S3EXT_TX
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* - DMA_FLEXIBLE_UART1_RX - DMA_FLEXIBLE_UART1_TX - DMA_FLEXIBLE_UART2_RX - DMA_FLEXIBLE_UART2_TX
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* - DMA_FLEXIBLE_UART3_RX - DMA_FLEXIBLE_UART3_TX - DMA_FLEXIBLE_UART4_RX - DMA_FLEXIBLE_UART4_TX
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* - DMA_FLEXIBLE_UART5_RX - DMA_FLEXIBLE_UART5_TX - DMA_FLEXIBLE_UART6_RX - DMA_FLEXIBLE_UART6_TX
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* - DMA_FLEXIBLE_UART7_RX - DMA_FLEXIBLE_UART7_TX - DMA_FLEXIBLE_UART8_RX - DMA_FLEXIBLE_UART8_TX
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* - DMA_FLEXIBLE_I2C1_RX - DMA_FLEXIBLE_I2C1_TX - DMA_FLEXIBLE_I2C2_RX - DMA_FLEXIBLE_I2C2_TX
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* - DMA_FLEXIBLE_I2C3_RX - DMA_FLEXIBLE_I2C3_TX - DMA_FLEXIBLE_SDIO1 - DMA_FLEXIBLE_SDIO2
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* - DMA_FLEXIBLE_TMR1_TRIG - DMA_FLEXIBLE_TMR1_HALL - DMA_FLEXIBLE_TMR1_OVERFLOW- DMA_FLEXIBLE_TMR1_CH1
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* - DMA_FLEXIBLE_TMR1_CH2 - DMA_FLEXIBLE_TMR1_CH3 - DMA_FLEXIBLE_TMR1_CH4 - DMA_FLEXIBLE_TMR2_TRIG
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* - DMA_FLEXIBLE_TMR2_OVERFLOW- DMA_FLEXIBLE_TMR2_CH1 - DMA_FLEXIBLE_TMR2_CH2 - DMA_FLEXIBLE_TMR2_CH3
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* - DMA_FLEXIBLE_TMR2_CH4 - DMA_FLEXIBLE_TMR3_TRIG - DMA_FLEXIBLE_TMR3_OVERFLOW- DMA_FLEXIBLE_TMR3_CH1
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* - DMA_FLEXIBLE_TMR3_CH2 - DMA_FLEXIBLE_TMR3_CH3 - DMA_FLEXIBLE_TMR3_CH4 - DMA_FLEXIBLE_TMR4_TRIG
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* - DMA_FLEXIBLE_TMR4_OVERFLOW- DMA_FLEXIBLE_TMR4_CH1 - DMA_FLEXIBLE_TMR4_CH2 - DMA_FLEXIBLE_TMR4_CH3
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* - DMA_FLEXIBLE_TMR4_CH4 - DMA_FLEXIBLE_TMR5_TRIG - DMA_FLEXIBLE_TMR5_OVERFLOW- DMA_FLEXIBLE_TMR5_CH1
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* - DMA_FLEXIBLE_TMR5_CH2 - DMA_FLEXIBLE_TMR5_CH3 - DMA_FLEXIBLE_TMR5_CH4 - DMA_FLEXIBLE_TMR6_OVERFLOW
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* - DMA_FLEXIBLE_TMR7_OVERFLOW- DMA_FLEXIBLE_TMR8_TRIG - DMA_FLEXIBLE_TMR8_HALL - DMA_FLEXIBLE_TMR8_OVERFLOW
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* - DMA_FLEXIBLE_TMR8_CH1 - DMA_FLEXIBLE_TMR8_CH2 - DMA_FLEXIBLE_TMR8_CH3 - DMA_FLEXIBLE_TMR8_CH4
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* @retval none
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*/
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void dma_flexible_config(dma_type* dma_x, uint8_t flex_channelx, dma_flexible_request_type flexible_request)
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{
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if(dma_x->src_sel1_bit.dma_flex_en == RESET)
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{
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dma_x->src_sel1_bit.dma_flex_en = TRUE;
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}
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if(flex_channelx == FLEX_CHANNEL1)
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{
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dma_x->src_sel0_bit.ch1_src = flexible_request;
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}
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else if(flex_channelx == FLEX_CHANNEL2)
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{
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dma_x->src_sel0_bit.ch2_src = flexible_request;
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}
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else if(flex_channelx == FLEX_CHANNEL3)
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{
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dma_x->src_sel0_bit.ch3_src = flexible_request;
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}
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else if(flex_channelx == FLEX_CHANNEL4)
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{
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dma_x->src_sel0_bit.ch4_src = flexible_request;
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}
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else if(flex_channelx == FLEX_CHANNEL5)
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{
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dma_x->src_sel1_bit.ch5_src = flexible_request;
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}
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else if(flex_channelx == FLEX_CHANNEL6)
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{
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dma_x->src_sel1_bit.ch6_src = flexible_request;
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}
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else
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{
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if(flex_channelx == FLEX_CHANNEL7)
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{
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dma_x->src_sel1_bit.ch7_src = flexible_request;
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}
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}
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}
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/**
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* @brief get dma interrupt flag
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* @param dmax_flag
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* this parameter can be one of the following values:
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* - DMA1_FDT1_FLAG - DMA1_HDT1_FLAG - DMA1_DTERR1_FLAG
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* - DMA1_FDT2_FLAG - DMA1_HDT2_FLAG - DMA1_DTERR2_FLAG
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* - DMA1_FDT3_FLAG - DMA1_HDT3_FLAG - DMA1_DTERR3_FLAG
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* - DMA1_FDT4_FLAG - DMA1_HDT4_FLAG - DMA1_DTERR4_FLAG
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* - DMA1_FDT5_FLAG - DMA1_HDT5_FLAG - DMA1_DTERR5_FLAG
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* - DMA1_FDT6_FLAG - DMA1_HDT6_FLAG - DMA1_DTERR6_FLAG
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* - DMA1_FDT7_FLAG - DMA1_HDT7_FLAG - DMA1_DTERR7_FLAG
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* - DMA2_FDT1_FLAG - DMA2_HDT1_FLAG - DMA2_DTERR1_FLAG
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* - DMA2_FDT2_FLAG - DMA2_HDT2_FLAG - DMA2_DTERR2_FLAG
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* - DMA2_FDT3_FLAG - DMA2_HDT3_FLAG - DMA2_DTERR3_FLAG
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* - DMA2_FDT4_FLAG - DMA2_HDT4_FLAG - DMA2_DTERR4_FLAG
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* - DMA2_FDT5_FLAG - DMA2_HDT5_FLAG - DMA2_DTERR5_FLAG
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* - DMA2_FDT6_FLAG - DMA2_HDT6_FLAG - DMA2_DTERR6_FLAG
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* - DMA2_FDT7_FLAG - DMA2_HDT7_FLAG - DMA2_DTERR7_FLAG
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* @retval state of dma flag
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*/
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flag_status dma_interrupt_flag_get(uint32_t dmax_flag)
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{
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flag_status status = RESET;
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uint32_t temp = 0;
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if(dmax_flag > 0x10000000)
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{
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temp = DMA2->sts;
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}
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else
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{
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temp = DMA1->sts;
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}
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if ((temp & dmax_flag) != (uint16_t)RESET)
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{
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status = SET;
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}
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else
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{
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status = RESET;
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}
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return status;
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}
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/**
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* @brief get dma flag
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* @param dmax_flag
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* this parameter can be one of the following values:
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* - DMA1_GL1_FLAG - DMA1_FDT1_FLAG - DMA1_HDT1_FLAG - DMA1_DTERR1_FLAG
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* - DMA1_GL2_FLAG - DMA1_FDT2_FLAG - DMA1_HDT2_FLAG - DMA1_DTERR2_FLAG
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* - DMA1_GL3_FLAG - DMA1_FDT3_FLAG - DMA1_HDT3_FLAG - DMA1_DTERR3_FLAG
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* - DMA1_GL4_FLAG - DMA1_FDT4_FLAG - DMA1_HDT4_FLAG - DMA1_DTERR4_FLAG
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* - DMA1_GL5_FLAG - DMA1_FDT5_FLAG - DMA1_HDT5_FLAG - DMA1_DTERR5_FLAG
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* - DMA1_GL6_FLAG - DMA1_FDT6_FLAG - DMA1_HDT6_FLAG - DMA1_DTERR6_FLAG
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* - DMA1_GL7_FLAG - DMA1_FDT7_FLAG - DMA1_HDT7_FLAG - DMA1_DTERR7_FLAG
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* - DMA2_GL1_FLAG - DMA2_FDT1_FLAG - DMA2_HDT1_FLAG - DMA2_DTERR1_FLAG
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* - DMA2_GL2_FLAG - DMA2_FDT2_FLAG - DMA2_HDT2_FLAG - DMA2_DTERR2_FLAG
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* - DMA2_GL3_FLAG - DMA2_FDT3_FLAG - DMA2_HDT3_FLAG - DMA2_DTERR3_FLAG
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* - DMA2_GL4_FLAG - DMA2_FDT4_FLAG - DMA2_HDT4_FLAG - DMA2_DTERR4_FLAG
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* - DMA2_GL5_FLAG - DMA2_FDT5_FLAG - DMA2_HDT5_FLAG - DMA2_DTERR5_FLAG
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* - DMA2_GL6_FLAG - DMA2_FDT6_FLAG - DMA2_HDT6_FLAG - DMA2_DTERR6_FLAG
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* - DMA2_GL7_FLAG - DMA2_FDT7_FLAG - DMA2_HDT7_FLAG - DMA2_DTERR7_FLAG
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* @retval state of dma flag
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*/
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flag_status dma_flag_get(uint32_t dmax_flag)
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{
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flag_status status = RESET;
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uint32_t temp = 0;
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if(dmax_flag > 0x10000000)
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{
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temp = DMA2->sts;
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}
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else
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{
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temp = DMA1->sts;
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}
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if ((temp & dmax_flag) != (uint16_t)RESET)
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{
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status = SET;
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}
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else
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{
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status = RESET;
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}
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return status;
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}
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/**
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* @brief clear dma flag
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* @param dmax_flag
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* this parameter can be one of the following values:
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* - DMA1_GL1_FLAG - DMA1_FDT1_FLAG - DMA1_HDT1_FLAG - DMA1_DTERR1_FLAG
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* - DMA1_GL2_FLAG - DMA1_FDT2_FLAG - DMA1_HDT2_FLAG - DMA1_DTERR2_FLAG
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* - DMA1_GL3_FLAG - DMA1_FDT3_FLAG - DMA1_HDT3_FLAG - DMA1_DTERR3_FLAG
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* - DMA1_GL4_FLAG - DMA1_FDT4_FLAG - DMA1_HDT4_FLAG - DMA1_DTERR4_FLAG
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* - DMA1_GL5_FLAG - DMA1_FDT5_FLAG - DMA1_HDT5_FLAG - DMA1_DTERR5_FLAG
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* - DMA1_GL6_FLAG - DMA1_FDT6_FLAG - DMA1_HDT6_FLAG - DMA1_DTERR6_FLAG
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* - DMA1_GL7_FLAG - DMA1_FDT7_FLAG - DMA1_HDT7_FLAG - DMA1_DTERR7_FLAG
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* - DMA2_GL1_FLAG - DMA2_FDT1_FLAG - DMA2_HDT1_FLAG - DMA2_DTERR1_FLAG
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* - DMA2_GL2_FLAG - DMA2_FDT2_FLAG - DMA2_HDT2_FLAG - DMA2_DTERR2_FLAG
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* - DMA2_GL3_FLAG - DMA2_FDT3_FLAG - DMA2_HDT3_FLAG - DMA2_DTERR3_FLAG
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* - DMA2_GL4_FLAG - DMA2_FDT4_FLAG - DMA2_HDT4_FLAG - DMA2_DTERR4_FLAG
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* - DMA2_GL5_FLAG - DMA2_FDT5_FLAG - DMA2_HDT5_FLAG - DMA2_DTERR5_FLAG
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* - DMA2_GL6_FLAG - DMA2_FDT6_FLAG - DMA2_HDT6_FLAG - DMA2_DTERR6_FLAG
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* - DMA2_GL7_FLAG - DMA2_FDT7_FLAG - DMA2_HDT7_FLAG - DMA2_DTERR7_FLAG
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* @retval none
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*/
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void dma_flag_clear(uint32_t dmax_flag)
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{
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if(dmax_flag > 0x10000000)
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{
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DMA2->clr = (uint32_t)(dmax_flag & 0x0FFFFFFF);
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}
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else
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{
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DMA1->clr = dmax_flag;
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}
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}
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/**
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* @brief dma init config with its default value.
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* @param dma_init_struct : pointer to a dma_init_type structure which will
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* be initialized.
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* @retval none
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*/
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void dma_default_para_init(dma_init_type* dma_init_struct)
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{
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dma_init_struct->peripheral_base_addr = 0x0;
|
|
dma_init_struct->memory_base_addr = 0x0;
|
|
dma_init_struct->direction = DMA_DIR_PERIPHERAL_TO_MEMORY;
|
|
dma_init_struct->buffer_size = 0x0;
|
|
dma_init_struct->peripheral_inc_enable = FALSE;
|
|
dma_init_struct->memory_inc_enable = FALSE;
|
|
dma_init_struct->peripheral_data_width = DMA_PERIPHERAL_DATA_WIDTH_BYTE;
|
|
dma_init_struct->memory_data_width = DMA_MEMORY_DATA_WIDTH_BYTE;
|
|
dma_init_struct->loop_mode_enable = FALSE;
|
|
dma_init_struct->priority = DMA_PRIORITY_LOW;
|
|
}
|
|
|
|
/**
|
|
* @brief dma init
|
|
* @param dmax_channely:
|
|
* this parameter can be one of the following values:
|
|
* - DMA1_CHANNEL1
|
|
* - DMA1_CHANNEL2
|
|
* - DMA1_CHANNEL3
|
|
* - DMA1_CHANNEL4
|
|
* - DMA1_CHANNEL5
|
|
* - DMA1_CHANNEL6
|
|
* - DMA1_CHANNEL7
|
|
* - DMA2_CHANNEL1
|
|
* - DMA2_CHANNEL2
|
|
* - DMA2_CHANNEL3
|
|
* - DMA2_CHANNEL4
|
|
* - DMA2_CHANNEL5
|
|
* - DMA2_CHANNEL6
|
|
* - DMA2_CHANNEL7
|
|
* @param dma_initstruct : pointer to a dma_init_type structure.
|
|
* @retval none
|
|
*/
|
|
void dma_init(dma_channel_type* dmax_channely, dma_init_type* dma_init_struct)
|
|
{
|
|
/* clear ctrl register dtd bit and m2m bit */
|
|
dmax_channely->ctrl &= 0xbfef;
|
|
dmax_channely->ctrl |= dma_init_struct->direction;
|
|
|
|
dmax_channely->ctrl_bit.chpl = dma_init_struct->priority;
|
|
dmax_channely->ctrl_bit.mwidth = dma_init_struct->memory_data_width;
|
|
dmax_channely->ctrl_bit.pwidth = dma_init_struct->peripheral_data_width;
|
|
dmax_channely->ctrl_bit.mincm = dma_init_struct->memory_inc_enable;
|
|
dmax_channely->ctrl_bit.pincm = dma_init_struct->peripheral_inc_enable;
|
|
dmax_channely->ctrl_bit.lm = dma_init_struct->loop_mode_enable;
|
|
dmax_channely->dtcnt = dma_init_struct->buffer_size;
|
|
dmax_channely->paddr = dma_init_struct->peripheral_base_addr;
|
|
dmax_channely->maddr = dma_init_struct->memory_base_addr;
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|