625 lines
23 KiB
C
625 lines
23 KiB
C
/******************************************************************************
|
||
* Copyright (C) 2016, Huada Semiconductor Co.,Ltd All rights reserved.
|
||
*
|
||
* This software is owned and published by:
|
||
* Huada Semiconductor Co.,Ltd ("HDSC").
|
||
*
|
||
* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
|
||
* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
|
||
*
|
||
* This software contains source code for use with HDSC
|
||
* components. This software is licensed by HDSC to be adapted only
|
||
* for use in systems utilizing HDSC components. HDSC shall not be
|
||
* responsible for misuse or illegal use of this software for devices not
|
||
* supported herein. HDSC is providing this software "AS IS" and will
|
||
* not be responsible for issues arising from incorrect user implementation
|
||
* of the software.
|
||
*
|
||
* Disclaimer:
|
||
* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
|
||
* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
|
||
* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
|
||
* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
|
||
* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
|
||
* WARRANTY OF NONINFRINGEMENT.
|
||
* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
|
||
* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
|
||
* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
|
||
* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
|
||
* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
|
||
* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
|
||
* SAVINGS OR PROFITS,
|
||
* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
|
||
* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
|
||
* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
|
||
* FROM, THE SOFTWARE.
|
||
*
|
||
* This software may be replicated in part or whole for the licensed use,
|
||
* with the restriction that this Disclaimer and Copyright notice must be
|
||
* included with each copy of this software, whether used in part or whole,
|
||
* at all times.
|
||
*/
|
||
/******************************************************************************/
|
||
/** \file dmac.c
|
||
**
|
||
** A detailed description is available at
|
||
** @link DmacGroup Dmac description @endlink
|
||
**
|
||
** - 2018-03-09 1.0 Hongjh First version for Device Driver Library of Dmac.
|
||
**
|
||
******************************************************************************/
|
||
|
||
/*******************************************************************************
|
||
* Include files
|
||
******************************************************************************/
|
||
#include "hc32l196_dmac.h"
|
||
|
||
/**
|
||
*******************************************************************************
|
||
** \addtogroup DmacGroup
|
||
******************************************************************************/
|
||
//@{
|
||
|
||
/*******************************************************************************
|
||
* Local type definitions ('typedef')
|
||
******************************************************************************/
|
||
|
||
/*******************************************************************************
|
||
* Local pre-processor symbols/macros ('#define')
|
||
******************************************************************************/
|
||
|
||
/******************************************************************************/
|
||
/* DMA */
|
||
/******************************************************************************/
|
||
|
||
/************** Bits definition for DMA_CONFBx(x=0~1) register *************/
|
||
#define DMA_TRANSFER_WIDTH_Pos (26U) /*!< DMAC_CONFBx: ERR_IE Position */
|
||
#define DMA_TRANSFER_WIDTH_Msk (0x03U << DMA_TRANSFER_WIDTH_Pos) /*!< DMAC_CONFBx: ERR_IE Mask 0x0C000000 */
|
||
|
||
/************** Bits definition for DMA_CONFBx(x=0~1) register *************/
|
||
#define DMA_ERR_IE_Pos (20U) /*!< DMAC_CONFBx: ERR_IE Position */
|
||
#define DMA_ERR_IE_Msk (0x01U << DMA_ERR_IE_Pos) /*!< DMAC_CONFBx: ERR_IE Mask 0x00000010 */
|
||
|
||
/************** Bits definition for DMA_CONFBx(x=0~1) register *************/
|
||
#define DMA_FIS_IE_Pos (19U) /*!< DMAC_CONFBx: FIS_IE Position */
|
||
#define DMA_FIS_IE_Msk (0x01U << DMA_FIS_IE_Pos) /*!< DMAC_CONFBx: FIS_IE Mask 0x00000010 */
|
||
|
||
/************** Bits definition for DMA_CONFBx(x=0~1) register *************/
|
||
#define DMA_STAT_Pos (16U) /*!< DMAC_CONFBx: STAT Position */
|
||
#define DMA_STAT_Msk (0x07U << DMA_STAT_Pos) /*!< DMAC_CONFBx: STAT Mask 0x00070000 */
|
||
|
||
/************** Bits definition for DMA_CONFBx(x=0~1) register *************/
|
||
#define DMA_TRANSFER_RELOAD_Pos (0U) /*!< DMAC_CONFBx: MSK Position */
|
||
#define DMA_TRANSFER_RELOAD_Msk (0x01U << DMA_TRANSFER_RELOAD_Pos) /*!< DMAC_CONFBx: MSK Mask 0x00000010 */
|
||
|
||
/************** Bits definition for DMA_CONFAx(x=0~1) register *************/
|
||
#define DMA_CH_ENABLE_Pos (31U) /*!< DMAC_CONFAx: ENS Position */
|
||
#define DMA_CH_ENABLE_Msk (0x01U << DMA_CH_ENABLE_Pos) /*!< DMAC_CONFAx: ENS Mask 0x80000000 */
|
||
|
||
/************** Bits definition for DMA_CONFAx(x=0~1) register *************/
|
||
#define DMA_CH_PAUSE_Pos (30U) /*!< DMAC_CONFAx: PAS Position */
|
||
#define DMA_CH_PAUSE_Msk (0x01U << DMA_CH_PAUSE_Pos) /*!< DMAC_CONFAx: PAS Mask 0x40000000 */
|
||
|
||
/************** Bits definition for DMA_CONFAx(x=0~1) register *************/
|
||
#define DMA_SOFTWARE_START_Pos (29U) /*!< DMAC_CONFAx: ENS Position */
|
||
#define DMA_SOFTWARE_START_Msk (0x01U << DMA_SOFTWARE_START_Pos) /*!< DMAC_CONFAx: ENS Mask 0x20000000 */
|
||
|
||
/************** Bits definition for DMA_CONFAx(x=0~1) register *************/
|
||
#define DMA_TRI_SEL_Pos (22U) /*!< DMAC_CONFAx: TRISEL Position */
|
||
#define DMA_TRI_SEL_Msk (0x7FU << DMA_TRI_SEL_Pos) /*!< DMAC_CONFAx: TRISEL Mask 0x1FC00000 */
|
||
|
||
/************** Bits definition for DMA_CONFAx(x=0~1) register *************/
|
||
#define DMA_BC_SEL_Pos (16U) /*!< DMAC_CONFAx: TRISEL Position */
|
||
#define DMA_BC_SEL_Msk (0x0FU << DMA_BC_SEL_Pos) /*!< DMAC_CONFAx: TRISEL Mask 0x000F0000 */
|
||
|
||
/************** Bits definition for DMA_CONFAx(x=0~1) register *************/
|
||
#define DMA_TC_SEL_Pos (0U) /*!< DMAC_CONFAx: TRISEL Position */
|
||
#define DMA_TC_SEL_Msk (0xFFFFU << DMA_TC_SEL_Pos) /*!< DMAC_CONFAx: TRISEL Mask 0x0000FFFF */
|
||
|
||
/************** Bits definition for DMA_CONF register *************/
|
||
#define DMA_ENABLE_Pos (31U) /*!< DMAC_CONF: TRISEL Position */
|
||
#define DMA_ENABLE_Msk (0x01U << DMA_ENABLE_Pos) /*!< DMAC_CONF: TRISEL Mask 0x80000000 */
|
||
|
||
/************** Bits definition for DMA_CONF register *************/
|
||
#define DMA_PRIORITY_Pos (28U) /*!< DMAC_CONF: TRISEL Position */
|
||
#define DMA_PRIORITY_Msk (0x01U << DMA_PRIORITY_Pos) /*!< DMAC_CONF: TRISEL Mask 0x10000000 */
|
||
|
||
|
||
/*! Dmac通道参数有效性检查. */
|
||
#define IS_VALID_CH(x) \
|
||
( (DmaCh0 == (x)) || \
|
||
(DmaCh1 == (x)))
|
||
|
||
/*! DMA 传输数据宽度，参数有效性检查. */
|
||
#define IS_VALID_TRN_WIDTH(x) \
|
||
( (DmaMsk8Bit == (x)) || \
|
||
(DmaMsk16Bit == (x)) || \
|
||
(DmaMsk32Bit == (x)))
|
||
|
||
/*! DMA源地址控制模式，参数有效性检查. */
|
||
#define IS_VALID_SRC_ADDR_MODE(x) \
|
||
( (DmaMskSrcAddrFix == (x)) || \
|
||
(DmaMskSrcAddrInc == (x)))
|
||
|
||
/*! DMA目的地址控制模式，参数有效性检查. */
|
||
#define IS_VALID_DST_ADDR_MODE(x) \
|
||
( (DmaMskDstAddrFix == (x)) || \
|
||
(DmaMskDstAddrInc == (x)))
|
||
|
||
/*! DMA 优先级, 参数有效性检查. */
|
||
#define IS_VALID_PRIO_MODE(x) \
|
||
( (DmaMskPriorityFix == (x)) || \
|
||
(DmaMskPriorityLoop == (x)))
|
||
|
||
/*! DMA 传输模式，参数有效性检查. */
|
||
#define IS_VALID_TRANSFER_MODE(x) \
|
||
( (DmaMskOneTransfer == (x)) || \
|
||
(DmaMskContinuousTransfer == (x)))
|
||
|
||
/*! 块传输大小，参数有效性检查. */
|
||
#define IS_VALID_BLKSIZE(x) ((!((x) & ~(DMA_BC_SEL_Msk >> DMA_BC_SEL_Pos)))&&((x)>0))
|
||
|
||
/*! 块传输次数，参数有效性检查. */
|
||
#define IS_VALID_TRNCNT(x) (!((x) & ~(DMA_TC_SEL_Msk >> DMA_TC_SEL_Pos)))
|
||
|
||
/*******************************************************************************
|
||
* Global variable definitions (declared in header file with 'extern')
|
||
******************************************************************************/
|
||
|
||
/*******************************************************************************
|
||
* Local function prototypes ('static')
|
||
******************************************************************************/
|
||
|
||
/*******************************************************************************
|
||
* Local variable definitions ('static')
|
||
******************************************************************************/
|
||
|
||
/*******************************************************************************
|
||
* Function implementation - global ('extern') and local ('static')
|
||
******************************************************************************/
|
||
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 初始化DMAC通道
|
||
**
|
||
** \param [in] enCh 指定通道.
|
||
** \param [in] pstcCfg DMAC通道初始化配置结构体指针.
|
||
**
|
||
** \retval Ok 初始化成功.
|
||
** \retval ErrorInvalidParameter pstcCfg是空指针.
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
en_result_t Dma_InitChannel(en_dma_channel_t enCh, stc_dma_cfg_t* pstcCfg)
|
||
{
|
||
ASSERT(IS_VALID_CH(enCh));
|
||
ASSERT(NULL != pstcCfg);
|
||
ASSERT(IS_VALID_BLKSIZE(pstcCfg->u16BlockSize));
|
||
ASSERT(IS_VALID_TRNCNT(pstcCfg->u16TransferCnt));
|
||
ASSERT(IS_VALID_TRN_WIDTH(pstcCfg->enTransferWidth));
|
||
ASSERT(IS_VALID_SRC_ADDR_MODE(pstcCfg->enSrcAddrMode));
|
||
ASSERT(IS_VALID_DST_ADDR_MODE(pstcCfg->enDstAddrMode));
|
||
ASSERT(IS_VALID_PRIO_MODE(pstcCfg->enPriority));
|
||
ASSERT(IS_VALID_TRANSFER_MODE(pstcCfg->enTransferMode));
|
||
|
||
/* 检查通道值有效性和pstcCfg是否空指针 */
|
||
if (NULL == pstcCfg)
|
||
{
|
||
return ErrorInvalidParameter;
|
||
}
|
||
|
||
*(&M0P_DMAC->CONFB0+enCh) = 0;
|
||
*(&M0P_DMAC->CONFB0+enCh) = (uint32_t)pstcCfg->enMode |
|
||
(uint32_t)pstcCfg->enTransferWidth |
|
||
(uint32_t)pstcCfg->enSrcAddrMode |
|
||
(uint32_t)pstcCfg->enDstAddrMode |
|
||
(uint32_t)pstcCfg->enSrcAddrReloadCtl |
|
||
(uint32_t)pstcCfg->enDestAddrReloadCtl|
|
||
(uint32_t)pstcCfg->enSrcBcTcReloadCtl |
|
||
(uint32_t)pstcCfg->enTransferMode;
|
||
|
||
/*首先把TRI_SEL[6:0] BC[3:0] TC[15:0]这些位清零，然后再赋值*/
|
||
*(&M0P_DMAC->CONFA0+enCh) &= ((uint32_t)~(DMA_TRI_SEL_Msk | DMA_BC_SEL_Msk | DMA_TC_SEL_Msk));
|
||
*(&M0P_DMAC->CONFA0+enCh) |= (uint32_t)(pstcCfg->u16TransferCnt - 1) |
|
||
((uint32_t)(pstcCfg->u16BlockSize - 1)<<16)|
|
||
(uint32_t)(pstcCfg->enRequestNum<<22);
|
||
|
||
M0P_DMAC->CONF |= (uint32_t)(pstcCfg->enPriority);
|
||
|
||
*(&M0P_DMAC->SRCADR0+enCh) = (uint32_t)(pstcCfg->u32SrcAddress);
|
||
*(&M0P_DMAC->DSTADR0+enCh) = (uint32_t)(pstcCfg->u32DstAddress);
|
||
|
||
return Ok;
|
||
}
|
||
/**
|
||
*******************************************************************************
|
||
** \brief DMA模块使能函数，使能所有通道的操作，每个通道按照各自设置工作.
|
||
**
|
||
** \param None
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_Enable(void)
|
||
{
|
||
M0P_DMAC->CONF |= DMA_ENABLE_Msk;
|
||
}
|
||
|
||
/**
|
||
*******************************************************************************
|
||
** \brief DMA模块功能禁止函数，所有通道禁止工作.
|
||
**
|
||
** \param None
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_Disable(void)
|
||
{
|
||
M0P_DMAC->CONF &= (~DMA_ENABLE_Msk);
|
||
}
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 触发指定DMA通道软件传输功能.
|
||
**
|
||
** \param [输入] enCh 指定dma通道.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_SwStart(en_dma_channel_t enCh)
|
||
{
|
||
*(&M0P_DMAC->CONFA0+enCh) |= DMA_SOFTWARE_START_Msk;
|
||
}
|
||
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 停止指定DMA通道软件传输功能.
|
||
**
|
||
** \param [输入] enCh 指定dma通道.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_SwStop(en_dma_channel_t enCh)
|
||
{
|
||
*(&M0P_DMAC->CONFA0+enCh) &= (~DMA_SOFTWARE_START_Msk);
|
||
}
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 使能指定dma通道的（传输完成）中断.
|
||
**
|
||
** \param [输入] enCh 指定dma通道.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_EnableChannelIrq(en_dma_channel_t enCh)
|
||
{
|
||
*(&M0P_DMAC->CONFB0+enCh) |= DMA_FIS_IE_Msk;
|
||
}
|
||
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 禁用指定dma通道的（传输完成）中断.
|
||
**
|
||
** \param [输入] enCh 指定dma通道.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_DisableChannelIrq(en_dma_channel_t enCh)
|
||
{
|
||
*(&M0P_DMAC->CONFB0+enCh) &= (~DMA_FIS_IE_Msk);
|
||
}
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 使能指定dma通道的（传输错误）中断..
|
||
**
|
||
** \param [输入] enCh 指定dma通道.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_EnableChannelErrIrq(en_dma_channel_t enCh)
|
||
{
|
||
*(&M0P_DMAC->CONFB0+enCh) |= DMA_ERR_IE_Msk;
|
||
}
|
||
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 禁用指定dma通道的（传输错误）中断..
|
||
**
|
||
** \param [输入] enCh 指定dma通道.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_DisableChannelErrIrq(en_dma_channel_t enCh)
|
||
{
|
||
*(&M0P_DMAC->CONFB0+enCh) &= (~DMA_ERR_IE_Msk);
|
||
}
|
||
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 使能指定dma通道
|
||
**
|
||
** \param [输入] enCh 指定dma通道.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_EnableChannel(en_dma_channel_t enCh)
|
||
{
|
||
*(&M0P_DMAC->CONFA0+enCh) |= DMA_CH_ENABLE_Msk;
|
||
}
|
||
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 禁用指定dma通道
|
||
**
|
||
** \param [输入] enCh 指定dma通道.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_DisableChannel(en_dma_channel_t enCh)
|
||
{
|
||
*(&M0P_DMAC->CONFA0+enCh) &= (~DMA_CH_ENABLE_Msk);
|
||
}
|
||
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 设定指定通道的块(Block)尺寸
|
||
**
|
||
** \param [输入] enCh 指定通道
|
||
** \param [输入] u16BlkSize 块(Block)尺寸.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_SetBlockSize(en_dma_channel_t enCh, uint16_t u16BlkSize)
|
||
{
|
||
volatile uint32_t *pReg = (&M0P_DMAC->CONFA0+enCh);
|
||
|
||
*pReg = ((*pReg) & ((uint32_t)~DMA_BC_SEL_Msk)) | ((((uint32_t)u16BlkSize-1)&0x0f)<<DMA_BC_SEL_Pos);
|
||
}
|
||
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 设定指定通道块(Block)传输次数
|
||
**
|
||
** \param [in] enCh 指定通道.
|
||
** \param [in] u16TrnCnt 块(Block)传输次数.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_SetTransferCnt(en_dma_channel_t enCh, uint16_t u16TrnCnt)
|
||
{
|
||
volatile uint32_t *pReg = (&M0P_DMAC->CONFA0+enCh);
|
||
|
||
*pReg = ((*pReg)&((uint32_t)~DMA_TC_SEL_Msk))|(((uint32_t)(u16TrnCnt-1)<<DMA_TC_SEL_Pos));
|
||
}
|
||
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 允许指定通道可连续传输，即DMAC在传输完成时不清除CONFA:ENS位.
|
||
**
|
||
** \param [in] enCh 指定通道.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_EnableContinusTranfer(en_dma_channel_t enCh)
|
||
{
|
||
*(&M0P_DMAC->CONFB0+enCh) |= DMA_TRANSFER_RELOAD_Msk;
|
||
}
|
||
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 禁止指定通道连续传输，即DMAC在传输完成时清除.
|
||
**
|
||
** \param [输入] enCh 指定通道.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_DisableContinusTranfer(en_dma_channel_t enCh)
|
||
{
|
||
*(&M0P_DMAC->CONFB0+enCh) &= (~DMA_TRANSFER_RELOAD_Msk);
|
||
}
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 暂停所有dma通道.
|
||
**
|
||
** \param None
|
||
**
|
||
** \retval None.
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_HaltTranfer(void)
|
||
{
|
||
M0P_DMAC->CONF_f.HALT = 0x1;
|
||
}
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 恢复（之前暂停的）所有dma通道.
|
||
**
|
||
** \param None
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_RecoverTranfer(void)
|
||
{
|
||
M0P_DMAC->CONF_f.HALT = 0x0;
|
||
}
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 暂停指定dma通道.
|
||
**
|
||
** \param [输入] enCh 指定通道.
|
||
**
|
||
** \retval void
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_PauseChannelTranfer(en_dma_channel_t enCh)
|
||
{
|
||
*(&M0P_DMAC->CONFA0+enCh) |= DMA_CH_PAUSE_Msk;
|
||
}
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 恢复（之前暂定的）指定dma通道.
|
||
**
|
||
** \param [输入] enCh 指定通道.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_RecoverChannelTranfer(en_dma_channel_t enCh)
|
||
{
|
||
*(&M0P_DMAC->CONFA0+enCh) &= (~DMA_CH_PAUSE_Msk);
|
||
}
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 设定指定通道传输数据宽度.
|
||
**
|
||
** \param [输入] enCh 指定dma通道.
|
||
** \param [输入] enWidth 指定数据宽度.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_SetTransferWidth(en_dma_channel_t enCh, en_dma_transfer_width_t enWidth)
|
||
{
|
||
volatile uint32_t *pReg = (&M0P_DMAC->CONFA0+enCh);
|
||
|
||
*pReg = ((*pReg)&((uint32_t)~DMA_TRANSFER_WIDTH_Msk))|((uint32_t)enWidth);
|
||
}
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 设定dma通道优先级.
|
||
**
|
||
** \param [输入] enPrio 通道优先级设定参数.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_SetChPriority(en_dma_priority_t enPrio)
|
||
{
|
||
M0P_DMAC->CONF = ((M0P_DMAC->CONF)&((uint32_t)~DMA_PRIORITY_Msk))|((uint32_t)enPrio);
|
||
}
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 获取指定DMA通道的状态.
|
||
**
|
||
** \param [输入] enCh 指定dma通道.
|
||
**
|
||
** \retval en_dma_stat_t DMA传输当前状态
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
en_dma_stat_t Dma_GetStat(en_dma_channel_t enCh)
|
||
{
|
||
return (en_dma_stat_t)((*(&M0P_DMAC->CONFB0+enCh)&(DMA_STAT_Msk))>>DMA_STAT_Pos);
|
||
}
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 清除指定DMA通道的状态值.
|
||
**
|
||
** \param [输入] enCh 指定dma通道.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_ClrStat(en_dma_channel_t enCh)
|
||
{
|
||
*(&M0P_DMAC->CONFB0+enCh) &= (~DMA_STAT_Msk);
|
||
}
|
||
|
||
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 设定指定通道源地址
|
||
**
|
||
** \param [输入] enCh 指定dma通道.
|
||
** \param [输入] u32Address 传输源地址.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_SetSourceAddress(en_dma_channel_t enCh, uint32_t u32Address)
|
||
{
|
||
*(&M0P_DMAC->SRCADR0+enCh) = u32Address;
|
||
}
|
||
|
||
/**
|
||
*******************************************************************************
|
||
** \brief 设定指定通道目标地址.
|
||
**
|
||
** \param [输入] enCh 指定dma通道.
|
||
** \param [输入] u32Address 传输目标地址.
|
||
**
|
||
** \retval None
|
||
**
|
||
** \note None
|
||
**
|
||
******************************************************************************/
|
||
void Dma_SetDestinationAddress(en_dma_channel_t enCh, uint32_t u32Address)
|
||
{
|
||
*(&M0P_DMAC->DSTADR0+enCh) = u32Address;
|
||
}
|
||
|
||
//@} // DmacGroup
|
||
|
||
/*******************************************************************************
|
||
* EOF (not truncated)
|
||
******************************************************************************/
|