92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
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/*
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File Name : yc_dma.h
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Author : Yichip
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Version : V1.0
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Date : 2018/03/27
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Description : DMA Mem_TO_Mem Mode encapsulation.
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If enable DMA interrupt ,enter interrupt after sending data by default,and just one DMA IT Mode.
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*/
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#ifndef __YC_DMA_H_
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#define __YC_DMA_H_
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#include "yc3121.h"
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#define DMACH_QSPI 0
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#define DMA_ENABLE_BIT_Pos 7
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#define DMA_ENABLE ((uint8_t)1 << DMA_ENABLE_BIT_Pos)
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#define DMA_IT_BIT_Pos 1
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#define DMA_IT_ENABLE ((uint32_t)1 << DMA_IT_BIT_Pos)
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/*Peripheral DMA Channel*/
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typedef struct
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{
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uint32_t DMA_MemorySourceAddr; /*!< Specifies the memory Source address for Channel Mem_to_Mem. */
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uint32_t DMA_MemoryDestAddr; /*!<Specifies the memory Destination address for Channel Mem_to_Mem. */
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uint32_t DMA_BlockSize; /*!< Specifies the Total Number of data items during the transaction. */
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} DMA_InitTypeDef;
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/**
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* @brief Initializes the DMA Mem_to_Mem Channelx according to the specified
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* parameters in the DMA_InitStruct.
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* @param DMA_InitStruct: pointer to a DMA_InitTypeDef structure that
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* contains the configuration information for the specified DMA Channel.
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* @retval None
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*/
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void DMA_Init(DMA_InitTypeDef *DMA_InitStruct);
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/**
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* @brief Enables or disables Channel DMACH_MEMCP.
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* @param NewState: new state of the DMAy Channelx.
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* This parameter can be: ENABLE or DISABLE.
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* @retval None
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*/
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void DMA_ChannelCmd(FunctionalState NewState);
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/**
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* @brief Set DMA Source Address.
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* @param Address: DMA source address
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* @retval None
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*/
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void DMA_SetSRCAddress(uint32_t Address);
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/**
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* @brief Set DMA destination Address.
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* @param Address: DMA source address
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* @retval None
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*/
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void DMA_SetDSRAddress(uint32_t Address);
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/**
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* @brief Checks whether the DMACH_MEMCP Channelx flag is set or not.
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* @param None
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* @retval None
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*/
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FlagStatus DMA_GetFlagStatus(void);
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/**
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* @brief Clears the DMACH_MEMCP Channelx's pending flags.
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* @param None
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* @retval Enable or Disable.
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*/
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FunctionalState DMA_IsChannelEnabled(void);
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/**
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* @brief Clears the DMACH_MEMCP Channelx's interrupt pending bits.
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* @param None
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* @retval None
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*/
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void DMA_ClearITPendingBit(void);
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/**
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* @brief ENABLE or DISABLE intterrupt
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* @param NewState
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* @retval None
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*/
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void DMA_ITConfig(FunctionalState NewState);
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#endif
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