/** ****************************************************************************** * @file stm32h7xx_ll_mdma.c * @author MCD Application Team * @brief MDMA LL module driver. ****************************************************************************** * @attention * *

© COPYRIGHT(c) 2017 STMicroelectronics. * All rights reserved.

* * This software component is licensed by ST under BSD 3-Clause license, * the "License"; You may not use this file except in compliance with the * License. You may obtain a copy of the License at: * opensource.org/licenses/BSD-3-Clause * ****************************************************************************** */ #if defined(USE_FULL_LL_DRIVER) /* Includes ------------------------------------------------------------------*/ #include "stm32h7xx_ll_mdma.h" #include "stm32h7xx_ll_bus.h" #ifdef USE_FULL_ASSERT #include "stm32_assert.h" #else #define assert_param(expr) ((void)0U) #endif /** @addtogroup STM32H7xx_LL_Driver * @{ */ #if defined (MDMA) /** @defgroup MDMA_LL MDMA * @{ */ /* Private types -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private constants ---------------------------------------------------------*/ /* Private macros ------------------------------------------------------------*/ /** @addtogroup MDMA_LL_Private_Macros * @{ */ #define IS_LL_MDMA_ALL_CHANNEL_INSTANCE(INSTANCE, CHANNEL) (((INSTANCE) == MDMA) && \ (((CHANNEL) == LL_MDMA_CHANNEL_0) || \ ((CHANNEL) == LL_MDMA_CHANNEL_1) || \ ((CHANNEL) == LL_MDMA_CHANNEL_2) || \ ((CHANNEL) == LL_MDMA_CHANNEL_3) || \ ((CHANNEL) == LL_MDMA_CHANNEL_4) || \ ((CHANNEL) == LL_MDMA_CHANNEL_5) || \ ((CHANNEL) == LL_MDMA_CHANNEL_6) || \ ((CHANNEL) == LL_MDMA_CHANNEL_7) || \ ((CHANNEL) == LL_MDMA_CHANNEL_8) || \ ((CHANNEL) == LL_MDMA_CHANNEL_9) || \ ((CHANNEL) == LL_MDMA_CHANNEL_10)|| \ ((CHANNEL) == LL_MDMA_CHANNEL_11)|| \ ((CHANNEL) == LL_MDMA_CHANNEL_12)|| \ ((CHANNEL) == LL_MDMA_CHANNEL_13)|| \ ((CHANNEL) == LL_MDMA_CHANNEL_14)|| \ ((CHANNEL) == LL_MDMA_CHANNEL_15)|| \ ((CHANNEL) == LL_MDMA_CHANNEL_ALL))) #define IS_LL_MDMA_BLK_DATALENGTH(__VALUE__) ((__VALUE__) <= 0x00010000U) #define IS_LL_MDMA_BLK_REPEATCOUNT(__VALUE__) ((__VALUE__) <= 0x00000FFFU) #define IS_LL_MDMA_WORDENDIANESS(__VALUE__) (((__VALUE__) == LL_MDMA_WORD_ENDIANNESS_PRESERVE) || \ ((__VALUE__) == LL_MDMA_WORD_ENDIANNESS_EXCHANGE)) #define IS_LL_MDMA_HALFWORDENDIANESS(__VALUE__) (((__VALUE__) == LL_MDMA_HALFWORD_ENDIANNESS_PRESERVE) || \ ((__VALUE__) == LL_MDMA_HALFWORD_ENDIANNESS_EXCHANGE)) #define IS_LL_MDMA_BYTEENDIANESS(__VALUE__) (((__VALUE__) == LL_MDMA_BYTE_ENDIANNESS_PRESERVE) || \ ((__VALUE__) == LL_MDMA_BYTE_ENDIANNESS_EXCHANGE)) #define IS_LL_MDMA_PRIORITY(__VALUE__) (((__VALUE__) == LL_MDMA_PRIORITY_LOW) || \ ((__VALUE__) == LL_MDMA_PRIORITY_MEDIUM) || \ ((__VALUE__) == LL_MDMA_PRIORITY_HIGH) || \ ((__VALUE__) == LL_MDMA_PRIORITY_VERYHIGH)) #define IS_LL_MDMA_BUFFWRITEMODE(__VALUE__) (((__VALUE__) == LL_MDMA_BUFF_WRITE_DISABLE) || \ ((__VALUE__) == LL_MDMA_BUFF_WRITE_ENABLE)) #define IS_LL_MDMA_REQUESTMODE(__VALUE__) (((__VALUE__) == LL_MDMA_REQUEST_MODE_HW) || \ ((__VALUE__) == LL_MDMA_REQUEST_MODE_SW)) #define IS_LL_MDMA_TRIGGERMODE(__VALUE__) (((__VALUE__) == LL_MDMA_BUFFER_TRANSFER) || \ ((__VALUE__) == LL_MDMA_BLOCK_TRANSFER) || \ ((__VALUE__) == LL_MDMA_REPEAT_BLOCK_TRANSFER) || \ ((__VALUE__) == LL_MDMA_FULL_TRANSFER)) #define IS_LL_MDMA_PADDINGALIGNEMENT(__VALUE__) (((__VALUE__) == LL_MDMA_DATAALIGN_RIGHT) || \ ((__VALUE__) == LL_MDMA_DATAALIGN_RIGHT_SIGNED) || \ ((__VALUE__) == LL_MDMA_DATAALIGN_LEFT)) #define IS_LL_MDMA_PACKMODE(__VALUE__) (((__VALUE__) == LL_MDMA_PACK_DISABLE) || \ ((__VALUE__) == LL_MDMA_PACK_ENABLE)) #define IS_LL_MDMA_BUFFER_XFERLENGTH(__VALUE__) ((__VALUE__) <= 0x0000007FU) #define IS_LL_MDMA_DESTBURST(__VALUE__) (((__VALUE__) == LL_MDMA_DEST_BURST_SINGLE) || \ ((__VALUE__) == LL_MDMA_DEST_BURST_2BEATS) || \ ((__VALUE__) == LL_MDMA_DEST_BURST_4BEATS) || \ ((__VALUE__) == LL_MDMA_DEST_BURST_8BEATS) || \ ((__VALUE__) == LL_MDMA_DEST_BURST_16BEATS)|| \ ((__VALUE__) == LL_MDMA_DEST_BURST_32BEATS)|| \ ((__VALUE__) == LL_MDMA_DEST_BURST_64BEATS)|| \ ((__VALUE__) == LL_MDMA_DEST_BURST_128BEATS)) #define IS_LL_MDMA_SRCTBURST(__VALUE__) (((__VALUE__) == LL_MDMA_SRC_BURST_SINGLE) || \ ((__VALUE__) == LL_MDMA_SRC_BURST_2BEATS) || \ ((__VALUE__) == LL_MDMA_SRC_BURST_4BEATS) || \ ((__VALUE__) == LL_MDMA_SRC_BURST_8BEATS) || \ ((__VALUE__) == LL_MDMA_SRC_BURST_16BEATS)|| \ ((__VALUE__) == LL_MDMA_SRC_BURST_32BEATS)|| \ ((__VALUE__) == LL_MDMA_SRC_BURST_64BEATS)|| \ ((__VALUE__) == LL_MDMA_SRC_BURST_128BEATS)) #define IS_LL_MDMA_DESTINCSIZE(__VALUE__) (((__VALUE__) == LL_MDMA_DEST_INC_OFFSET_BYTE) || \ ((__VALUE__) == LL_MDMA_DEST_INC_OFFSET_HALFWORD) || \ ((__VALUE__) == LL_MDMA_DEST_INC_OFFSET_WORD) || \ ((__VALUE__) == LL_MDMA_DEST_INC_OFFSET_DOUBLEWORD)) #define IS_LL_MDMA_SRCINCSIZE(__VALUE__) (((__VALUE__) == LL_MDMA_SRC_INC_OFFSET_BYTE) || \ ((__VALUE__) == LL_MDMA_SRC_INC_OFFSET_HALFWORD) || \ ((__VALUE__) == LL_MDMA_SRC_INC_OFFSET_WORD) || \ ((__VALUE__) == LL_MDMA_SRC_INC_OFFSET_DOUBLEWORD)) #define IS_LL_MDMA_DESTDATASIZE(__VALUE__) (((__VALUE__) == LL_MDMA_DEST_DATA_SIZE_BYTE) || \ ((__VALUE__) == LL_MDMA_DEST_DATA_SIZE_HALFWORD) || \ ((__VALUE__) == LL_MDMA_DEST_DATA_SIZE_WORD) || \ ((__VALUE__) == LL_MDMA_DEST_DATA_SIZE_DOUBLEWORD)) #define IS_LL_MDMA_SRCDATASIZE(__VALUE__) (((__VALUE__) == LL_MDMA_SRC_DATA_SIZE_BYTE) || \ ((__VALUE__) == LL_MDMA_SRC_DATA_SIZE_HALFWORD) || \ ((__VALUE__) == LL_MDMA_SRC_DATA_SIZE_WORD) || \ ((__VALUE__) == LL_MDMA_SRC_DATA_SIZE_DOUBLEWORD)) #define IS_LL_MDMA_DESTINCMODE(__VALUE__) (((__VALUE__) == LL_MDMA_DEST_FIXED) || \ ((__VALUE__) == LL_MDMA_DEST_INCREMENT) || \ ((__VALUE__) == LL_MDMA_DEST_DECREMENT)) #define IS_LL_MDMA_SRCINCMODE(__VALUE__) (((__VALUE__) == LL_MDMA_SRC_FIXED) || \ ((__VALUE__) == LL_MDMA_SRC_INCREMENT) || \ ((__VALUE__) == LL_MDMA_SRC_DECREMENT)) #define IS_LL_MDMA_BLKRPT_DEST_ADDRUPDATEMODE(__VALUE__) (((__VALUE__) == LL_MDMA_BLK_RPT_DEST_ADDR_INCREMENT) || \ ((__VALUE__) == LL_MDMA_BLK_RPT_DEST_ADDR_DECREMENT)) #define IS_LL_MDMA_BLKRPT_SRC_ADDRUPDATEMODE(__VALUE__) (((__VALUE__) == LL_MDMA_BLK_RPT_SRC_ADDR_INCREMENT) || \ ((__VALUE__) == LL_MDMA_BLK_RPT_SRC_ADDR_DECREMENT)) #define IS_LL_MDMA_BLKRPT_DEST_ADDRUPDATEVAL(__VALUE__) ((__VALUE__) <= 0x0000FFFFU) #define IS_LL_MDMA_BLKRPT_SRC_ADDRUPDATEVAL(__VALUE__) ((__VALUE__) <= 0x0000FFFFU) #define IS_LL_MDMA_DEST_BUS(__VALUE__) (((__VALUE__) == LL_MDMA_DEST_BUS_SYSTEM_AXI) || \ ((__VALUE__) == LL_MDMA_DEST_BUS_AHB_TCM)) #define IS_LL_MDMA_SRC_BUS(__VALUE__) (((__VALUE__) == LL_MDMA_SRC_BUS_SYSTEM_AXI) || \ ((__VALUE__) == LL_MDMA_SRC_BUS_AHB_TCM)) #if defined (QUADSPI) && defined (JPEG) && defined (DSI) /* STM32H747/57 devices */ #define IS_LL_MDMA_HWTRIGGER(__VALUE__) (((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM0_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM1_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM2_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM3_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM4_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM5_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM6_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM7_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM0_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM1_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM2_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM3_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM4_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM5_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM6_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM7_TC) || \ ((__VALUE__) == LL_MDMA_REQ_LTDC_LINE_IT) || \ ((__VALUE__) == LL_MDMA_REQ_JPEG_INFIFO_TH) || \ ((__VALUE__) == LL_MDMA_REQ_JPEG_INFIFO_NF) || \ ((__VALUE__) == LL_MDMA_REQ_JPEG_OUTFIFO_TH) || \ ((__VALUE__) == LL_MDMA_REQ_JPEG_OUTFIFO_NE) || \ ((__VALUE__) == LL_MDMA_REQ_JPEG_END_CONVERSION) || \ ((__VALUE__) == LL_MDMA_REQ_QUADSPI_FIFO_TH) || \ ((__VALUE__) == LL_MDMA_REQ_QUADSPI_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2D_CLUT_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2D_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2D_TW) || \ ((__VALUE__) == LL_MDMA_REQ_DSI_TEARING_EFFECT) || \ ((__VALUE__) == LL_MDMA_REQ_DSI_END_REFRESH) || \ ((__VALUE__) == LL_MDMA_REQ_SDMMC1_END_DATA) || \ ((__VALUE__) == LL_MDMA_REQ_SDMMC1_DMA_ENDBUFFER) || \ ((__VALUE__) == LL_MDMA_REQ_SDMMC1_COMMAND_END)) #elif defined (QUADSPI) && defined (JPEG) /* STM32H743/53/45/55 devices */ #define IS_LL_MDMA_HWTRIGGER(__VALUE__) (((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM0_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM1_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM2_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM3_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM4_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM5_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM6_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM7_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM0_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM1_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM2_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM3_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM4_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM5_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM6_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM7_TC) || \ ((__VALUE__) == LL_MDMA_REQ_LTDC_LINE_IT) || \ ((__VALUE__) == LL_MDMA_REQ_JPEG_INFIFO_TH) || \ ((__VALUE__) == LL_MDMA_REQ_JPEG_INFIFO_NF) || \ ((__VALUE__) == LL_MDMA_REQ_JPEG_OUTFIFO_TH) || \ ((__VALUE__) == LL_MDMA_REQ_JPEG_OUTFIFO_NE) || \ ((__VALUE__) == LL_MDMA_REQ_JPEG_END_CONVERSION) || \ ((__VALUE__) == LL_MDMA_REQ_QUADSPI_FIFO_TH) || \ ((__VALUE__) == LL_MDMA_REQ_QUADSPI_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2D_CLUT_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2D_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2D_TW) || \ ((__VALUE__) == LL_MDMA_REQ_SDMMC1_END_DATA) || \ ((__VALUE__) == LL_MDMA_REQ_SDMMC1_DMA_ENDBUFFER) || \ ((__VALUE__) == LL_MDMA_REQ_SDMMC1_COMMAND_END)) #elif defined (QUADSPI) /* STM32H742 devices */ #define IS_LL_MDMA_HWTRIGGER(__VALUE__) (((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM0_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM1_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM2_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM3_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM4_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM5_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM6_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM7_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM0_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM1_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM2_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM3_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM4_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM5_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM6_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM7_TC) || \ ((__VALUE__) == LL_MDMA_REQ_QUADSPI_FIFO_TH) || \ ((__VALUE__) == LL_MDMA_REQ_QUADSPI_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2D_CLUT_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2D_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2D_TW) || \ ((__VALUE__) == LL_MDMA_REQ_SDMMC1_END_DATA) || \ ((__VALUE__) == LL_MDMA_REQ_SDMMC1_DMA_ENDBUFFER) || \ ((__VALUE__) == LL_MDMA_REQ_SDMMC1_COMMAND_END)) #else /* STM32H7A3/B3 devices */ #define IS_LL_MDMA_HWTRIGGER(__VALUE__) (((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM0_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM1_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM2_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM3_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM4_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM5_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM6_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA1_STREAM7_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM0_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM1_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM2_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM3_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM4_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM5_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM6_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2_STREAM7_TC) || \ ((__VALUE__) == LL_MDMA_REQ_LTDC_LINE_IT) || \ ((__VALUE__) == LL_MDMA_REQ_JPEG_INFIFO_TH) || \ ((__VALUE__) == LL_MDMA_REQ_JPEG_INFIFO_NF) || \ ((__VALUE__) == LL_MDMA_REQ_JPEG_OUTFIFO_TH) || \ ((__VALUE__) == LL_MDMA_REQ_JPEG_OUTFIFO_NE) || \ ((__VALUE__) == LL_MDMA_REQ_JPEG_END_CONVERSION) || \ ((__VALUE__) == LL_MDMA_REQ_OCTOSPI1_FIFO_TH) || \ ((__VALUE__) == LL_MDMA_REQ_OCTOSPI1_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2D_CLUT_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2D_TC) || \ ((__VALUE__) == LL_MDMA_REQ_DMA2D_TW) || \ ((__VALUE__) == LL_MDMA_REQ_SDMMC1_END_DATA) || \ ((__VALUE__) == LL_MDMA_REQ_SDMMC1_DMA_ENDBUFFER) || \ ((__VALUE__) == LL_MDMA_REQ_SDMMC1_COMMAND_END) || \ ((__VALUE__) == LL_MDMA_REQ_OCTOSPI2_FIFO_TH) || \ ((__VALUE__) == LL_MDMA_REQ_OCTOSPI2_TC)) #endif /* QUADSPI && JPEG && DSI */ /** * @} */ /* Private function prototypes -----------------------------------------------*/ /* Exported functions --------------------------------------------------------*/ /** @addtogroup MDMA_LL_Exported_Functions * @{ */ /** @addtogroup MDMA_LL_EF_Init * @{ */ /** * @brief De-initialize the MDMA registers to their default reset values. * @param MDMAx MDMAx Instance * @param Channel This parameter can be one of the following values: * @arg @ref LL_MDMA_CHANNEL_0 * @arg @ref LL_MDMA_CHANNEL_1 * @arg @ref LL_MDMA_CHANNEL_2 * @arg @ref LL_MDMA_CHANNEL_3 * @arg @ref LL_MDMA_CHANNEL_4 * @arg @ref LL_MDMA_CHANNEL_5 * @arg @ref LL_MDMA_CHANNEL_6 * @arg @ref LL_MDMA_CHANNEL_7 * @arg @ref LL_MDMA_CHANNEL_8 * @arg @ref LL_MDMA_CHANNEL_9 * @arg @ref LL_MDMA_CHANNEL_10 * @arg @ref LL_MDMA_CHANNEL_11 * @arg @ref LL_MDMA_CHANNEL_12 * @arg @ref LL_MDMA_CHANNEL_13 * @arg @ref LL_MDMA_CHANNEL_14 * @arg @ref LL_MDMA_CHANNEL_15 * @arg @ref LL_MDMA_CHANNEL_ALL * @retval An ErrorStatus enumeration value: * - SUCCESS: MDMA registers are de-initialized * - ERROR: Not applicable */ uint32_t LL_MDMA_DeInit(MDMA_TypeDef *MDMAx, uint32_t Channel) { MDMA_Channel_TypeDef *tmp; ErrorStatus status = SUCCESS; /* Check the MDMA Instance MDMAx and Channel parameters*/ assert_param(IS_LL_MDMA_ALL_CHANNEL_INSTANCE(MDMAx, Channel)); if (Channel == LL_MDMA_CHANNEL_ALL) { LL_AHB3_GRP1_ForceReset(LL_AHB3_GRP1_PERIPH_MDMA); LL_AHB3_GRP1_ReleaseReset(LL_AHB3_GRP1_PERIPH_MDMA); } else { /* Disable the selected Channel */ LL_MDMA_DisableChannel(MDMAx,Channel); /* Get the MDMA Channel Instance */ tmp = (MDMA_Channel_TypeDef *)(LL_MDMA_GET_CHANNEL_INSTANCE(MDMAx, Channel)); /* Reset MDMAx_Channely control register */ LL_MDMA_WriteReg(tmp, CCR, 0U); /* Reset MDMAx_Channely Configuration register */ LL_MDMA_WriteReg(tmp, CTCR, 0U); /* Reset MDMAx_Channely block number of data register */ LL_MDMA_WriteReg(tmp, CBNDTR, 0U); /* Reset MDMAx_Channely source address register */ LL_MDMA_WriteReg(tmp, CSAR, 0U); /* Reset MDMAx_Channely destination address register */ LL_MDMA_WriteReg(tmp, CDAR, 0U); /* Reset MDMAx_Channely Block Repeat address Update register */ LL_MDMA_WriteReg(tmp, CBRUR, 0U); /* Reset MDMAx_Channely Link Address register */ LL_MDMA_WriteReg(tmp, CLAR, 0U); /* Reset MDMAx_Channely Trigger and Bus selection register */ LL_MDMA_WriteReg(tmp, CTBR, 0U); /* Reset MDMAx_Channely Mask address register */ LL_MDMA_WriteReg(tmp, CMAR, 0U); /* Reset MDMAx_Channely Mask Data register */ LL_MDMA_WriteReg(tmp, CMDR, 0U); /* Reset the Channel pending flags */ LL_MDMA_WriteReg(tmp, CIFCR, 0x0000001FU); } return (uint32_t)status; } /** * @brief Initialize the MDMA registers according to the specified parameters in MDMA_InitStruct. * @note To convert MDMAx_Channely Instance to MDMAx Instance and Channely, use helper macros : * @arg @ref LL_MDMA_GET_INSTANCE * @arg @ref LL_MDMA_GET_CHANNEL * @param MDMAx MDMAx Instance * @param Channel This parameter can be one of the following values: * @arg @ref LL_MDMA_CHANNEL_0 * @arg @ref LL_MDMA_CHANNEL_1 * @arg @ref LL_MDMA_CHANNEL_2 * @arg @ref LL_MDMA_CHANNEL_3 * @arg @ref LL_MDMA_CHANNEL_4 * @arg @ref LL_MDMA_CHANNEL_5 * @arg @ref LL_MDMA_CHANNEL_6 * @arg @ref LL_MDMA_CHANNEL_7 * @arg @ref LL_MDMA_CHANNEL_8 * @arg @ref LL_MDMA_CHANNEL_9 * @arg @ref LL_MDMA_CHANNEL_10 * @arg @ref LL_MDMA_CHANNEL_11 * @arg @ref LL_MDMA_CHANNEL_12 * @arg @ref LL_MDMA_CHANNEL_13 * @arg @ref LL_MDMA_CHANNEL_14 * @arg @ref LL_MDMA_CHANNEL_15 * @param MDMA_InitStruct pointer to a @ref LL_MDMA_InitTypeDef structure. * @retval An ErrorStatus enumeration value: * - SUCCESS: MDMA registers are initialized * - ERROR: Not applicable */ uint32_t LL_MDMA_Init(MDMA_TypeDef *MDMAx, uint32_t Channel, LL_MDMA_InitTypeDef *MDMA_InitStruct) { /* Check the MDMA Instance MDMAx and Channel parameters*/ assert_param(IS_LL_MDMA_ALL_CHANNEL_INSTANCE(MDMAx, Channel)); /* Check the MDMA parameters from MDMA_InitStruct */ assert_param(IS_LL_MDMA_BLK_DATALENGTH(MDMA_InitStruct->BlockDataLength)); assert_param(IS_LL_MDMA_BLK_REPEATCOUNT(MDMA_InitStruct->BlockRepeatCount)); assert_param(IS_LL_MDMA_WORDENDIANESS(MDMA_InitStruct->WordEndianess)); assert_param(IS_LL_MDMA_HALFWORDENDIANESS(MDMA_InitStruct->HalfWordEndianess)); assert_param(IS_LL_MDMA_BYTEENDIANESS(MDMA_InitStruct->ByteEndianess)); assert_param(IS_LL_MDMA_PRIORITY(MDMA_InitStruct->Priority)); assert_param(IS_LL_MDMA_BUFFWRITEMODE(MDMA_InitStruct->BufferableWriteMode)); assert_param(IS_LL_MDMA_REQUESTMODE(MDMA_InitStruct->RequestMode)); assert_param(IS_LL_MDMA_TRIGGERMODE(MDMA_InitStruct->TriggerMode)); assert_param(IS_LL_MDMA_PADDINGALIGNEMENT(MDMA_InitStruct->PaddingAlignment)); assert_param(IS_LL_MDMA_PACKMODE(MDMA_InitStruct->PackMode)); assert_param(IS_LL_MDMA_BUFFER_XFERLENGTH(MDMA_InitStruct->BufferTransferLength)); assert_param(IS_LL_MDMA_DESTBURST(MDMA_InitStruct->DestBurst)); assert_param(IS_LL_MDMA_SRCTBURST(MDMA_InitStruct->SrctBurst)); assert_param(IS_LL_MDMA_DESTINCSIZE(MDMA_InitStruct->DestIncSize)); assert_param(IS_LL_MDMA_SRCINCSIZE(MDMA_InitStruct->SrcIncSize)); assert_param(IS_LL_MDMA_DESTDATASIZE(MDMA_InitStruct->DestDataSize)); assert_param(IS_LL_MDMA_SRCDATASIZE(MDMA_InitStruct->SrcDataSize)); assert_param(IS_LL_MDMA_DESTINCMODE(MDMA_InitStruct->DestIncMode)); assert_param(IS_LL_MDMA_SRCINCMODE(MDMA_InitStruct->SrcIncMode)); assert_param(IS_LL_MDMA_BLKRPT_DEST_ADDRUPDATEMODE(MDMA_InitStruct->BlockRepeatDestAddrUpdateMode)); assert_param(IS_LL_MDMA_BLKRPT_SRC_ADDRUPDATEMODE(MDMA_InitStruct->BlockRepeatSrcAddrUpdateMode)); assert_param(IS_LL_MDMA_BLKRPT_DEST_ADDRUPDATEVAL(MDMA_InitStruct->BlockRepeatDestAddrUpdateVal)); assert_param(IS_LL_MDMA_BLKRPT_SRC_ADDRUPDATEVAL(MDMA_InitStruct->BlockRepeatSrcAddrUpdateVal)); assert_param(IS_LL_MDMA_DEST_BUS(MDMA_InitStruct->DestBus)); assert_param(IS_LL_MDMA_SRC_BUS(MDMA_InitStruct->SrcBus)); assert_param(IS_LL_MDMA_HWTRIGGER(MDMA_InitStruct->HWTrigger)); /*-------------------------- MDMAx CCR Configuration -------------------------- * Configure the Transfer endianness na priority with parameter : * - WordEndianess: MDMA_CCR_WEX[14] bit * - HalfWordEndianess: MDMA_CCR_HEX[13] bit * - WordEndianess: MDMA_CCR_BEX[12] bit * - Priority: MDMA_CCR_BEX[7:6] bits */ LL_MDMA_ConfigXferEndianness(MDMAx, Channel, MDMA_InitStruct->WordEndianess | \ MDMA_InitStruct->HalfWordEndianess | \ MDMA_InitStruct->ByteEndianess); LL_MDMA_SetChannelPriorityLevel(MDMAx, Channel, MDMA_InitStruct->Priority); /*-------------------------- MDMAx CTCR Configuration -------------------------- * Configure the Transfer parameter : * - BufferableWriteMode: MDMA_CTCR_BWM[31] bit * - RequestMode: MDMA_CTCR_SWRM[30] bit * - TriggerMode: MDMA_CTCR_TRGM[29:28] bits * - PaddingAlignment: MDMA_CTCR_PAM[27:26] bits * - PackMode: MDMA_CTCR_PKE[25] bit * - BufferTransferLength: MDMA_CTCR_TLEN[24:18] bits * - DestBurst: MDMA_CTCR_DBURST[17:15] bits * - SrctBurst: MDMA_CTCR_SBURST[14:12] bits * - DestIncSize: MDMA_CTCR_DINCOS[11:10] bits * - SrcIncSize: MDMA_CTCR_SINCOS[9:8] bits * - DestDataSize: MDMA_CTCR_DSIZE[7:6] bits * - SrcDataSize: MDMA_CTCR_SSIZE[5:4] bits * - DestIncMode: MDMA_CTCR_DINC[3:2] bits * - SrcIncMode: MDMA_CTCR_SINC[1:0] bits */ LL_MDMA_ConfigTransfer(MDMAx, Channel, MDMA_InitStruct->BufferableWriteMode | \ MDMA_InitStruct->RequestMode | \ MDMA_InitStruct->TriggerMode | \ MDMA_InitStruct->PaddingAlignment | \ MDMA_InitStruct->PackMode | \ MDMA_InitStruct->DestBurst | \ MDMA_InitStruct->SrctBurst | \ MDMA_InitStruct->DestIncSize | \ MDMA_InitStruct->SrcIncSize | \ MDMA_InitStruct->DestDataSize | \ MDMA_InitStruct->SrcDataSize | \ MDMA_InitStruct->DestIncMode | \ MDMA_InitStruct->SrcIncMode, MDMA_InitStruct->BufferTransferLength); /*-------------------------- MDMAx CBNDTR Configuration -------------------------- * Configure the Transfer Block counters and update mode with parameter : * - BlockRepeatCount: MDMA_CBNDTR_BRC[31:20] bits * - BlockDataLength: MDMA_CBNDTR_BNDT[16:0] bits * - BlockRepeatDestAddrUpdateMode: MDMA_CBNDTR_BRDUM[19] bit * - BlockRepeatDestAddrUpdateMode: MDMA_CBNDTR_BRSUM[18] bit */ LL_MDMA_ConfigBlkCounters(MDMAx, Channel, MDMA_InitStruct->BlockRepeatCount, MDMA_InitStruct->BlockDataLength); LL_MDMA_ConfigBlkRepeatAddrUpdate(MDMAx, Channel, MDMA_InitStruct->BlockRepeatDestAddrUpdateMode | \ MDMA_InitStruct->BlockRepeatSrcAddrUpdateMode); /*-------------------------- MDMAx CSAR Configuration -------------------------- * Configure the Transfer source address with parameter : * - SrcAddress: MDMA_CSAR_SAR[31:0] bits */ LL_MDMA_SetSourceAddress(MDMAx, Channel, MDMA_InitStruct->SrcAddress); /*-------------------------- MDMAx CDAR Configuration -------------------------- * Configure the Transfer destination address with parameter : * - DstAddress: MDMA_CDAR_DAR[31:0] bits */ LL_MDMA_SetDestinationAddress(MDMAx, Channel, MDMA_InitStruct->DstAddress); /*-------------------------- MDMAx CBRUR Configuration -------------------------- * Configure the Transfer Block repeat address update value with parameter : * - BlockRepeatDestAddrUpdateVal: MDMA_CBRUR_DUV[31:16] bits * - BlockRepeatSrcAddrUpdateVal: MDMA_CBRUR_SUV[15:0] bits */ LL_MDMA_ConfigBlkRptAddrUpdateValue(MDMAx, Channel, MDMA_InitStruct->BlockRepeatSrcAddrUpdateVal, \ MDMA_InitStruct->BlockRepeatDestAddrUpdateVal); /*-------------------------- MDMAx CLAR Configuration -------------------------- * Configure the Transfer linked list address with parameter : * - LinkAddress: MDMA_CLAR_LAR[31:0] bits */ LL_MDMA_SetLinkAddress(MDMAx, Channel, MDMA_InitStruct->LinkAddress); /*-------------------------- MDMAx CTBR Configuration -------------------------- * Configure the Transfer HW trigger and bus selection with parameter : * - DestBus: MDMA_TBR_DBUS[17] bit * - SrcBus: MDMA_TBR_SBUS[16] bit * - HWTrigger: MDMA_TBR_TSEL[5:0] bits */ LL_MDMA_ConfigBusSelection(MDMAx, Channel, MDMA_InitStruct->DestBus | MDMA_InitStruct->SrcBus); LL_MDMA_SetHWTrigger(MDMAx, Channel, MDMA_InitStruct->HWTrigger); /*-------------------------- MDMAx CMAR Configuration -------------------------- * Configure the mask address with parameter : * - MaskAddress: MDMA_CMAR_MAR[31:0] bits */ LL_MDMA_SetMaskAddress(MDMAx, Channel, MDMA_InitStruct->MaskAddress); /*-------------------------- MDMAx CMDR Configuration -------------------------- * Configure the mask data with parameter : * - MaskData: MDMA_CMDR_MDR[31:0] bits */ LL_MDMA_SetMaskData(MDMAx, Channel, MDMA_InitStruct->MaskData); return (uint32_t)SUCCESS; } /** * @brief Set each @ref LL_MDMA_InitTypeDef field to default value. * @param MDMA_InitStruct Pointer to a @ref LL_MDMA_InitTypeDef structure. * @retval None */ void LL_MDMA_StructInit(LL_MDMA_InitTypeDef *MDMA_InitStruct) { /* Set DMA_InitStruct fields to default values */ MDMA_InitStruct->SrcAddress = 0x00000000U; MDMA_InitStruct->DstAddress = 0x00000000U; MDMA_InitStruct->BlockDataLength = 0x00000000U; MDMA_InitStruct->BlockRepeatCount = 0x00000000U; MDMA_InitStruct->WordEndianess = LL_MDMA_WORD_ENDIANNESS_PRESERVE; MDMA_InitStruct->HalfWordEndianess = LL_MDMA_HALFWORD_ENDIANNESS_PRESERVE; MDMA_InitStruct->ByteEndianess = LL_MDMA_BYTE_ENDIANNESS_PRESERVE; MDMA_InitStruct->Priority = LL_MDMA_PRIORITY_LOW; MDMA_InitStruct->BufferableWriteMode = LL_MDMA_BUFF_WRITE_DISABLE; MDMA_InitStruct->RequestMode = LL_MDMA_REQUEST_MODE_HW; MDMA_InitStruct->TriggerMode = LL_MDMA_BUFFER_TRANSFER; MDMA_InitStruct->PaddingAlignment = LL_MDMA_DATAALIGN_RIGHT; MDMA_InitStruct->PackMode = LL_MDMA_PACK_DISABLE; MDMA_InitStruct->BufferTransferLength = 0x00000000U; MDMA_InitStruct->DestBurst = LL_MDMA_DEST_BURST_SINGLE; MDMA_InitStruct->SrctBurst = LL_MDMA_SRC_BURST_SINGLE; MDMA_InitStruct->DestIncSize = LL_MDMA_DEST_INC_OFFSET_BYTE; MDMA_InitStruct->SrcIncSize = LL_MDMA_SRC_INC_OFFSET_BYTE; MDMA_InitStruct->DestDataSize = LL_MDMA_DEST_DATA_SIZE_BYTE; MDMA_InitStruct->SrcDataSize = LL_MDMA_SRC_DATA_SIZE_BYTE; MDMA_InitStruct->DestIncMode = LL_MDMA_DEST_FIXED; MDMA_InitStruct->SrcIncMode = LL_MDMA_SRC_FIXED; MDMA_InitStruct->BlockRepeatDestAddrUpdateMode = LL_MDMA_BLK_RPT_DEST_ADDR_INCREMENT; MDMA_InitStruct->BlockRepeatSrcAddrUpdateMode = LL_MDMA_BLK_RPT_SRC_ADDR_INCREMENT; MDMA_InitStruct->BlockRepeatDestAddrUpdateVal = 0x00000000U; MDMA_InitStruct->BlockRepeatSrcAddrUpdateVal = 0x00000000U; MDMA_InitStruct->LinkAddress = 0x00000000U; MDMA_InitStruct->DestBus = LL_MDMA_DEST_BUS_SYSTEM_AXI; MDMA_InitStruct->SrcBus = LL_MDMA_SRC_BUS_SYSTEM_AXI; MDMA_InitStruct->HWTrigger = LL_MDMA_REQ_DMA1_STREAM0_TC; MDMA_InitStruct->MaskAddress = 0x00000000U; MDMA_InitStruct->MaskData = 0x00000000U; } /** * @brief Initializes MDMA linked list node according to the specified * parameters in the MDMA_InitStruct. * @param MDMA_InitStruct Pointer to a @ref LL_MDMA_InitTypeDef structure that contains * linked list node registers configurations. * @param pNode Pointer to linked list node to fill according to MDMA_InitStruct parameters. * @retval None */ void LL_MDMA_CreateLinkNode(LL_MDMA_InitTypeDef *MDMA_InitStruct, LL_MDMA_LinkNodeTypeDef *pNode) { /* Check the MDMA parameters from MDMA_InitStruct */ assert_param(IS_LL_MDMA_BLK_DATALENGTH(MDMA_InitStruct->BlockDataLength)); assert_param(IS_LL_MDMA_BLK_REPEATCOUNT(MDMA_InitStruct->BlockRepeatCount)); assert_param(IS_LL_MDMA_BUFFWRITEMODE(MDMA_InitStruct->BufferableWriteMode)); assert_param(IS_LL_MDMA_REQUESTMODE(MDMA_InitStruct->RequestMode)); assert_param(IS_LL_MDMA_TRIGGERMODE(MDMA_InitStruct->TriggerMode)); assert_param(IS_LL_MDMA_PADDINGALIGNEMENT(MDMA_InitStruct->PaddingAlignment)); assert_param(IS_LL_MDMA_PACKMODE(MDMA_InitStruct->PackMode)); assert_param(IS_LL_MDMA_BUFFER_XFERLENGTH(MDMA_InitStruct->BufferTransferLength)); assert_param(IS_LL_MDMA_DESTBURST(MDMA_InitStruct->DestBurst)); assert_param(IS_LL_MDMA_SRCTBURST(MDMA_InitStruct->SrctBurst)); assert_param(IS_LL_MDMA_DESTINCSIZE(MDMA_InitStruct->DestIncSize)); assert_param(IS_LL_MDMA_SRCINCSIZE(MDMA_InitStruct->SrcIncSize)); assert_param(IS_LL_MDMA_DESTDATASIZE(MDMA_InitStruct->DestDataSize)); assert_param(IS_LL_MDMA_SRCDATASIZE(MDMA_InitStruct->SrcDataSize)); assert_param(IS_LL_MDMA_DESTINCMODE(MDMA_InitStruct->DestIncMode)); assert_param(IS_LL_MDMA_SRCINCMODE(MDMA_InitStruct->SrcIncMode)); assert_param(IS_LL_MDMA_BLKRPT_DEST_ADDRUPDATEMODE(MDMA_InitStruct->BlockRepeatDestAddrUpdateMode)); assert_param(IS_LL_MDMA_BLKRPT_SRC_ADDRUPDATEMODE(MDMA_InitStruct->BlockRepeatSrcAddrUpdateMode)); assert_param(IS_LL_MDMA_BLKRPT_DEST_ADDRUPDATEVAL(MDMA_InitStruct->BlockRepeatDestAddrUpdateVal)); assert_param(IS_LL_MDMA_BLKRPT_SRC_ADDRUPDATEVAL(MDMA_InitStruct->BlockRepeatSrcAddrUpdateVal)); assert_param(IS_LL_MDMA_DEST_BUS(MDMA_InitStruct->DestBus)); assert_param(IS_LL_MDMA_SRC_BUS(MDMA_InitStruct->SrcBus)); assert_param(IS_LL_MDMA_HWTRIGGER(MDMA_InitStruct->HWTrigger)); /*-------------------------- MDMAx CTCR Configuration -------------------------- * Configure the Transfer parameter : * - BufferableWriteMode: MDMA_CTCR_BWM[31] bit * - RequestMode: MDMA_CTCR_SWRM[30] bit * - TriggerMode: MDMA_CTCR_TRGM[29:28] bits * - PaddingAlignment: MDMA_CTCR_PAM[27:26] bits * - PackMode: MDMA_CTCR_PKE[25] bit * - BufferTransferLength: MDMA_CTCR_TLEN[24:18] bits * - DestBurst: MDMA_CTCR_DBURST[17:15] bits * - SrctBurst: MDMA_CTCR_SBURST[14:12] bits * - DestIncSize: MDMA_CTCR_DINCOS[11:10] bits * - SrcIncSize: MDMA_CTCR_SINCOS[9:8] bits * - DestDataSize: MDMA_CTCR_DSIZE[7:6] bits * - SrcDataSize: MDMA_CTCR_SSIZE[5:4] bits * - DestIncMode: MDMA_CTCR_DINC[3:2] bits * - SrcIncMode: MDMA_CTCR_SINC[1:0] bits */ pNode->CTCR = MDMA_InitStruct->BufferableWriteMode | \ MDMA_InitStruct->RequestMode | \ MDMA_InitStruct->TriggerMode | \ MDMA_InitStruct->PaddingAlignment | \ MDMA_InitStruct->PackMode | \ MDMA_InitStruct->DestBurst | \ MDMA_InitStruct->SrctBurst | \ MDMA_InitStruct->DestIncSize | \ MDMA_InitStruct->SrcIncSize | \ MDMA_InitStruct->DestDataSize | \ MDMA_InitStruct->SrcDataSize | \ MDMA_InitStruct->DestIncMode | \ MDMA_InitStruct->SrcIncMode | \ ((MDMA_InitStruct->BufferTransferLength << MDMA_CTCR_TLEN_Pos) & MDMA_CTCR_TLEN_Msk); /*-------------------------- MDMAx CBNDTR Configuration -------------------------- * Configure the Transfer Block counters and update mode with parameter : * - BlockRepeatCount: MDMA_CBNDTR_BRC[31:20] bits * - BlockDataLength: MDMA_CBNDTR_BNDT[16:0] bits * - BlockRepeatDestAddrUpdateMode: MDMA_CBNDTR_BRDUM[19] bit * - BlockRepeatDestAddrUpdateMode: MDMA_CBNDTR_BRSUM[18] bit */ pNode->CBNDTR = ((MDMA_InitStruct->BlockRepeatCount << MDMA_CBNDTR_BRC_Pos) & MDMA_CBNDTR_BRC_Msk) | \ MDMA_InitStruct->BlockRepeatDestAddrUpdateMode | \ MDMA_InitStruct->BlockRepeatSrcAddrUpdateMode | \ (MDMA_InitStruct->BlockDataLength & MDMA_CBNDTR_BNDT_Msk); /*-------------------------- MDMAx CSAR Configuration -------------------------- * Configure the Transfer source address with parameter : * - SrcAddress: MDMA_CSAR_SAR[31:0] bits */ pNode->CSAR = MDMA_InitStruct->SrcAddress; /*-------------------------- MDMAx CDAR Configuration -------------------------- * Configure the Transfer destination address with parameter : * - DstAddress: MDMA_CDAR_DAR[31:0] bits */ pNode->CDAR = MDMA_InitStruct->DstAddress; /*-------------------------- MDMAx CBRUR Configuration -------------------------- * Configure the Transfer Block repeat address update value with parameter : * - BlockRepeatDestAddrUpdateVal: MDMA_CBRUR_DUV[31:16] bits * - BlockRepeatSrcAddrUpdateVal: MDMA_CBRUR_SUV[15:0] bits */ pNode->CBRUR = (MDMA_InitStruct->BlockRepeatSrcAddrUpdateVal & MDMA_CBRUR_SUV_Msk) | \ ((MDMA_InitStruct->BlockRepeatDestAddrUpdateVal << MDMA_CBRUR_DUV_Pos) & MDMA_CBRUR_DUV_Msk) ; /*-------------------------- MDMAx CLAR Configuration -------------------------- * Configure the Transfer linked list address with parameter : * - LinkAddress: MDMA_CLAR_LAR[31:0] bits */ pNode->CLAR = MDMA_InitStruct->LinkAddress; /*-------------------------- MDMAx CTBR Configuration -------------------------- * Configure the Transfer HW trigger and bus selection with parameter : * - DestBus: MDMA_TBR_DBUS[17] bit * - SrcBus: MDMA_TBR_SBUS[16] bit * - HWTrigger: MDMA_TBR_TSEL[5:0] bits */ pNode->CTBR = MDMA_InitStruct->DestBus | MDMA_InitStruct->SrcBus | MDMA_InitStruct->HWTrigger; /*-------------------------- MDMAx CMAR Configuration -------------------------- * Configure the mask address with parameter : * - MaskAddress: MDMA_CMAR_MAR[31:0] bits */ pNode->CMAR = MDMA_InitStruct->MaskAddress; /*-------------------------- MDMAx CMDR Configuration -------------------------- * Configure the mask data with parameter : * - MaskData: MDMA_CMDR_MDR[31:0] bits */ pNode->CMDR = MDMA_InitStruct->MaskData; pNode->Reserved = 0; } /** * @brief Connect Linked list Nodes. * @param pPrevLinkNode Pointer to previous linked list node to be connected to new Lined list node. * @param pNewLinkNode Pointer to new Linked list. * @retval None */ void LL_MDMA_ConnectLinkNode(LL_MDMA_LinkNodeTypeDef *pPrevLinkNode, LL_MDMA_LinkNodeTypeDef *pNewLinkNode) { pPrevLinkNode->CLAR = (uint32_t)pNewLinkNode; } /** * @brief Disconnect the next linked list node. * @param pLinkNode Pointer to linked list node to be disconnected from the next one. * @retval None */ void LL_MDMA_DisconnectNextLinkNode(LL_MDMA_LinkNodeTypeDef *pLinkNode) { pLinkNode->CLAR = 0; } /** * @} */ /** * @} */ /** * @} */ #endif /* MDMA */ /** * @} */ #endif /* USE_FULL_LL_DRIVER */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/