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stm32f1xx_ll_dma.h
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/**
******************************************************************************
* @file stm32f1xx_ll_dma.h
* @author MCD Application Team
* @brief Header file of DMA LL module.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F1xx_LL_DMA_H
#define __STM32F1xx_LL_DMA_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f1xx.h"
/** @addtogroup STM32F1xx_LL_Driver
* @{
*/
#if defined (DMA1) || defined (DMA2)
/** @defgroup DMA_LL DMA
* @{
*/
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/** @defgroup DMA_LL_Private_Variables DMA Private Variables
* @{
*/
/* Array used to get the DMA channel register offset versus channel index LL_DMA_CHANNEL_x */
static const uint8_t CHANNEL_OFFSET_TAB[] =
{
(uint8_t)(DMA1_Channel1_BASE - DMA1_BASE),
(uint8_t)(DMA1_Channel2_BASE - DMA1_BASE),
(uint8_t)(DMA1_Channel3_BASE - DMA1_BASE),
(uint8_t)(DMA1_Channel4_BASE - DMA1_BASE),
(uint8_t)(DMA1_Channel5_BASE - DMA1_BASE),
(uint8_t)(DMA1_Channel6_BASE - DMA1_BASE),
(uint8_t)(DMA1_Channel7_BASE - DMA1_BASE)
};
/**
* @}
*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup DMA_LL_Private_Macros DMA Private Macros
* @{
*/
/**
* @}
*/
#endif /*USE_FULL_LL_DRIVER*/
/* Exported types ------------------------------------------------------------*/
#if defined(USE_FULL_LL_DRIVER)
/** @defgroup DMA_LL_ES_INIT DMA Exported Init structure
* @{
*/
typedef struct
{
uint32_t PeriphOrM2MSrcAddress; /*!< Specifies the peripheral base address for DMA transfer
or as Source base address in case of memory to memory transfer direction.
This parameter must be a value between Min_Data = 0 and Max_Data = 0xFFFFFFFF. */
uint32_t MemoryOrM2MDstAddress; /*!< Specifies the memory base address for DMA transfer
or as Destination base address in case of memory to memory transfer direction.
This parameter must be a value between Min_Data = 0 and Max_Data = 0xFFFFFFFF. */
uint32_t Direction; /*!< Specifies if the data will be transferred from memory to peripheral,
from memory to memory or from peripheral to memory.
This parameter can be a value of @ref DMA_LL_EC_DIRECTION
This feature can be modified afterwards using unitary function @ref LL_DMA_SetDataTransferDirection(). */
uint32_t Mode; /*!< Specifies the normal or circular operation mode.
This parameter can be a value of @ref DMA_LL_EC_MODE
@note: The circular buffer mode cannot be used if the memory to memory
data transfer direction is configured on the selected Channel
This feature can be modified afterwards using unitary function @ref LL_DMA_SetMode(). */
uint32_t PeriphOrM2MSrcIncMode; /*!< Specifies whether the Peripheral address or Source address in case of memory to memory transfer direction
is incremented or not.
This parameter can be a value of @ref DMA_LL_EC_PERIPH
This feature can be modified afterwards using unitary function @ref LL_DMA_SetPeriphIncMode(). */
uint32_t MemoryOrM2MDstIncMode; /*!< Specifies whether the Memory address or Destination address in case of memory to memory transfer direction
is incremented or not.
This parameter can be a value of @ref DMA_LL_EC_MEMORY
This feature can be modified afterwards using unitary function @ref LL_DMA_SetMemoryIncMode(). */
uint32_t PeriphOrM2MSrcDataSize; /*!< Specifies the Peripheral data size alignment or Source data size alignment (byte, half word, word)
in case of memory to memory transfer direction.
This parameter can be a value of @ref DMA_LL_EC_PDATAALIGN
This feature can be modified afterwards using unitary function @ref LL_DMA_SetPeriphSize(). */
uint32_t MemoryOrM2MDstDataSize; /*!< Specifies the Memory data size alignment or Destination data size alignment (byte, half word, word)
in case of memory to memory transfer direction.
This parameter can be a value of @ref DMA_LL_EC_MDATAALIGN
This feature can be modified afterwards using unitary function @ref LL_DMA_SetMemorySize(). */
uint32_t NbData; /*!< Specifies the number of data to transfer, in data unit.
The data unit is equal to the source buffer configuration set in PeripheralSize
or MemorySize parameters depending in the transfer direction.
This parameter must be a value between Min_Data = 0 and Max_Data = 0x0000FFFF
This feature can be modified afterwards using unitary function @ref LL_DMA_SetDataLength(). */
uint32_t Priority; /*!< Specifies the channel priority level.
This parameter can be a value of @ref DMA_LL_EC_PRIORITY
This feature can be modified afterwards using unitary function @ref LL_DMA_SetChannelPriorityLevel(). */
} LL_DMA_InitTypeDef;
/**
* @}
*/
#endif /*USE_FULL_LL_DRIVER*/
/* Exported constants --------------------------------------------------------*/
/** @defgroup DMA_LL_Exported_Constants DMA Exported Constants
* @{
*/
/** @defgroup DMA_LL_EC_CLEAR_FLAG Clear Flags Defines
* @brief Flags defines which can be used with LL_DMA_WriteReg function
* @{
*/
#define LL_DMA_IFCR_CGIF1 DMA_IFCR_CGIF1 /*!< Channel 1 global flag */
#define LL_DMA_IFCR_CTCIF1 DMA_IFCR_CTCIF1 /*!< Channel 1 transfer complete flag */
#define LL_DMA_IFCR_CHTIF1 DMA_IFCR_CHTIF1 /*!< Channel 1 half transfer flag */
#define LL_DMA_IFCR_CTEIF1 DMA_IFCR_CTEIF1 /*!< Channel 1 transfer error flag */
#define LL_DMA_IFCR_CGIF2 DMA_IFCR_CGIF2 /*!< Channel 2 global flag */
#define LL_DMA_IFCR_CTCIF2 DMA_IFCR_CTCIF2 /*!< Channel 2 transfer complete flag */
#define LL_DMA_IFCR_CHTIF2 DMA_IFCR_CHTIF2 /*!< Channel 2 half transfer flag */
#define LL_DMA_IFCR_CTEIF2 DMA_IFCR_CTEIF2 /*!< Channel 2 transfer error flag */
#define LL_DMA_IFCR_CGIF3 DMA_IFCR_CGIF3 /*!< Channel 3 global flag */
#define LL_DMA_IFCR_CTCIF3 DMA_IFCR_CTCIF3 /*!< Channel 3 transfer complete flag */
#define LL_DMA_IFCR_CHTIF3 DMA_IFCR_CHTIF3 /*!< Channel 3 half transfer flag */
#define LL_DMA_IFCR_CTEIF3 DMA_IFCR_CTEIF3 /*!< Channel 3 transfer error flag */
#define LL_DMA_IFCR_CGIF4 DMA_IFCR_CGIF4 /*!< Channel 4 global flag */
#define LL_DMA_IFCR_CTCIF4 DMA_IFCR_CTCIF4 /*!< Channel 4 transfer complete flag */
#define LL_DMA_IFCR_CHTIF4 DMA_IFCR_CHTIF4 /*!< Channel 4 half transfer flag */
#define LL_DMA_IFCR_CTEIF4 DMA_IFCR_CTEIF4 /*!< Channel 4 transfer error flag */
#define LL_DMA_IFCR_CGIF5 DMA_IFCR_CGIF5 /*!< Channel 5 global flag */
#define LL_DMA_IFCR_CTCIF5 DMA_IFCR_CTCIF5 /*!< Channel 5 transfer complete flag */
#define LL_DMA_IFCR_CHTIF5 DMA_IFCR_CHTIF5 /*!< Channel 5 half transfer flag */
#define LL_DMA_IFCR_CTEIF5 DMA_IFCR_CTEIF5 /*!< Channel 5 transfer error flag */
#define LL_DMA_IFCR_CGIF6 DMA_IFCR_CGIF6 /*!< Channel 6 global flag */
#define LL_DMA_IFCR_CTCIF6 DMA_IFCR_CTCIF6 /*!< Channel 6 transfer complete flag */
#define LL_DMA_IFCR_CHTIF6 DMA_IFCR_CHTIF6 /*!< Channel 6 half transfer flag */
#define LL_DMA_IFCR_CTEIF6 DMA_IFCR_CTEIF6 /*!< Channel 6 transfer error flag */
#define LL_DMA_IFCR_CGIF7 DMA_IFCR_CGIF7 /*!< Channel 7 global flag */
#define LL_DMA_IFCR_CTCIF7 DMA_IFCR_CTCIF7 /*!< Channel 7 transfer complete flag */
#define LL_DMA_IFCR_CHTIF7 DMA_IFCR_CHTIF7 /*!< Channel 7 half transfer flag */
#define LL_DMA_IFCR_CTEIF7 DMA_IFCR_CTEIF7 /*!< Channel 7 transfer error flag */
/**
* @}
*/
/** @defgroup DMA_LL_EC_GET_FLAG Get Flags Defines
* @brief Flags defines which can be used with LL_DMA_ReadReg function
* @{
*/
#define LL_DMA_ISR_GIF1 DMA_ISR_GIF1 /*!< Channel 1 global flag */
#define LL_DMA_ISR_TCIF1 DMA_ISR_TCIF1 /*!< Channel 1 transfer complete flag */
#define LL_DMA_ISR_HTIF1 DMA_ISR_HTIF1 /*!< Channel 1 half transfer flag */
#define LL_DMA_ISR_TEIF1 DMA_ISR_TEIF1 /*!< Channel 1 transfer error flag */
#define LL_DMA_ISR_GIF2 DMA_ISR_GIF2 /*!< Channel 2 global flag */
#define LL_DMA_ISR_TCIF2 DMA_ISR_TCIF2 /*!< Channel 2 transfer complete flag */
#define LL_DMA_ISR_HTIF2 DMA_ISR_HTIF2 /*!< Channel 2 half transfer flag */
#define LL_DMA_ISR_TEIF2 DMA_ISR_TEIF2 /*!< Channel 2 transfer error flag */
#define LL_DMA_ISR_GIF3 DMA_ISR_GIF3 /*!< Channel 3 global flag */
#define LL_DMA_ISR_TCIF3 DMA_ISR_TCIF3 /*!< Channel 3 transfer complete flag */
#define LL_DMA_ISR_HTIF3 DMA_ISR_HTIF3 /*!< Channel 3 half transfer flag */
#define LL_DMA_ISR_TEIF3 DMA_ISR_TEIF3 /*!< Channel 3 transfer error flag */
#define LL_DMA_ISR_GIF4 DMA_ISR_GIF4 /*!< Channel 4 global flag */
#define LL_DMA_ISR_TCIF4 DMA_ISR_TCIF4 /*!< Channel 4 transfer complete flag */
#define LL_DMA_ISR_HTIF4 DMA_ISR_HTIF4 /*!< Channel 4 half transfer flag */
#define LL_DMA_ISR_TEIF4 DMA_ISR_TEIF4 /*!< Channel 4 transfer error flag */
#define LL_DMA_ISR_GIF5 DMA_ISR_GIF5 /*!< Channel 5 global flag */
#define LL_DMA_ISR_TCIF5 DMA_ISR_TCIF5 /*!< Channel 5 transfer complete flag */
#define LL_DMA_ISR_HTIF5 DMA_ISR_HTIF5 /*!< Channel 5 half transfer flag */
#define LL_DMA_ISR_TEIF5 DMA_ISR_TEIF5 /*!< Channel 5 transfer error flag */
#define LL_DMA_ISR_GIF6 DMA_ISR_GIF6 /*!< Channel 6 global flag */
#define LL_DMA_ISR_TCIF6 DMA_ISR_TCIF6 /*!< Channel 6 transfer complete flag */
#define LL_DMA_ISR_HTIF6 DMA_ISR_HTIF6 /*!< Channel 6 half transfer flag */
#define LL_DMA_ISR_TEIF6 DMA_ISR_TEIF6 /*!< Channel 6 transfer error flag */
#define LL_DMA_ISR_GIF7 DMA_ISR_GIF7 /*!< Channel 7 global flag */
#define LL_DMA_ISR_TCIF7 DMA_ISR_TCIF7 /*!< Channel 7 transfer complete flag */
#define LL_DMA_ISR_HTIF7 DMA_ISR_HTIF7 /*!< Channel 7 half transfer flag */
#define LL_DMA_ISR_TEIF7 DMA_ISR_TEIF7 /*!< Channel 7 transfer error flag */
/**
* @}
*/
/** @defgroup DMA_LL_EC_IT IT Defines
* @brief IT defines which can be used with LL_DMA_ReadReg and LL_DMA_WriteReg functions
* @{
*/
#define LL_DMA_CCR_TCIE DMA_CCR_TCIE /*!< Transfer complete interrupt */
#define LL_DMA_CCR_HTIE DMA_CCR_HTIE /*!< Half Transfer interrupt */
#define LL_DMA_CCR_TEIE DMA_CCR_TEIE /*!< Transfer error interrupt */
/**
* @}
*/
/** @defgroup DMA_LL_EC_CHANNEL CHANNEL
* @{
*/
#define LL_DMA_CHANNEL_1 0x00000001U /*!< DMA Channel 1 */
#define LL_DMA_CHANNEL_2 0x00000002U /*!< DMA Channel 2 */
#define LL_DMA_CHANNEL_3 0x00000003U /*!< DMA Channel 3 */
#define LL_DMA_CHANNEL_4 0x00000004U /*!< DMA Channel 4 */
#define LL_DMA_CHANNEL_5 0x00000005U /*!< DMA Channel 5 */
#define LL_DMA_CHANNEL_6 0x00000006U /*!< DMA Channel 6 */
#define LL_DMA_CHANNEL_7 0x00000007U /*!< DMA Channel 7 */
#if defined(USE_FULL_LL_DRIVER)
#define LL_DMA_CHANNEL_ALL 0xFFFF0000U /*!< DMA Channel all (used only for function @ref LL_DMA_DeInit(). */
#endif /*USE_FULL_LL_DRIVER*/
/**
* @}
*/
/** @defgroup DMA_LL_EC_DIRECTION Transfer Direction
* @{
*/
#define LL_DMA_DIRECTION_PERIPH_TO_MEMORY 0x00000000U /*!< Peripheral to memory direction */
#define LL_DMA_DIRECTION_MEMORY_TO_PERIPH DMA_CCR_DIR /*!< Memory to peripheral direction */
#define LL_DMA_DIRECTION_MEMORY_TO_MEMORY DMA_CCR_MEM2MEM /*!< Memory to memory direction */
/**
* @}
*/
/** @defgroup DMA_LL_EC_MODE Transfer mode
* @{
*/
#define LL_DMA_MODE_NORMAL 0x00000000U /*!< Normal Mode */
#define LL_DMA_MODE_CIRCULAR DMA_CCR_CIRC /*!< Circular Mode */
/**
* @}
*/
/** @defgroup DMA_LL_EC_PERIPH Peripheral increment mode
* @{
*/
#define LL_DMA_PERIPH_INCREMENT DMA_CCR_PINC /*!< Peripheral increment mode Enable */
#define LL_DMA_PERIPH_NOINCREMENT 0x00000000U /*!< Peripheral increment mode Disable */
/**
* @}
*/
/** @defgroup DMA_LL_EC_MEMORY Memory increment mode
* @{
*/
#define LL_DMA_MEMORY_INCREMENT DMA_CCR_MINC /*!< Memory increment mode Enable */
#define LL_DMA_MEMORY_NOINCREMENT 0x00000000U /*!< Memory increment mode Disable */
/**
* @}
*/
/** @defgroup DMA_LL_EC_PDATAALIGN Peripheral data alignment
* @{
*/
#define LL_DMA_PDATAALIGN_BYTE 0x00000000U /*!< Peripheral data alignment : Byte */
#define LL_DMA_PDATAALIGN_HALFWORD DMA_CCR_PSIZE_0 /*!< Peripheral data alignment : HalfWord */
#define LL_DMA_PDATAALIGN_WORD DMA_CCR_PSIZE_1 /*!< Peripheral data alignment : Word */
/**
* @}
*/
/** @defgroup DMA_LL_EC_MDATAALIGN Memory data alignment
* @{
*/
#define LL_DMA_MDATAALIGN_BYTE 0x00000000U /*!< Memory data alignment : Byte */
#define LL_DMA_MDATAALIGN_HALFWORD DMA_CCR_MSIZE_0 /*!< Memory data alignment : HalfWord */
#define LL_DMA_MDATAALIGN_WORD DMA_CCR_MSIZE_1 /*!< Memory data alignment : Word */
/**
* @}
*/
/** @defgroup DMA_LL_EC_PRIORITY Transfer Priority level
* @{
*/
#define LL_DMA_PRIORITY_LOW 0x00000000U /*!< Priority level : Low */
#define LL_DMA_PRIORITY_MEDIUM DMA_CCR_PL_0 /*!< Priority level : Medium */
#define LL_DMA_PRIORITY_HIGH DMA_CCR_PL_1 /*!< Priority level : High */
#define LL_DMA_PRIORITY_VERYHIGH DMA_CCR_PL /*!< Priority level : Very_High */
/**
* @}
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/** @defgroup DMA_LL_Exported_Macros DMA Exported Macros
* @{
*/
/** @defgroup DMA_LL_EM_WRITE_READ Common Write and read registers macros
* @{
*/
/**
* @brief Write a value in DMA register
* @param __INSTANCE__ DMA Instance
* @param __REG__ Register to be written
* @param __VALUE__ Value to be written in the register
* @retval None
*/
#define LL_DMA_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
/**
* @brief Read a value in DMA register
* @param __INSTANCE__ DMA Instance
* @param __REG__ Register to be read
* @retval Register value
*/
#define LL_DMA_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
/**
* @}
*/
/** @defgroup DMA_LL_EM_CONVERT_DMAxCHANNELy Convert DMAxChannely
* @{
*/
/**
* @brief Convert DMAx_Channely into DMAx
* @param __CHANNEL_INSTANCE__ DMAx_Channely
* @retval DMAx
*/
#if defined(DMA2)
#define __LL_DMA_GET_INSTANCE(__CHANNEL_INSTANCE__) \
(((uint32_t)(__CHANNEL_INSTANCE__) > ((uint32_t)DMA1_Channel7)) ? DMA2 : DMA1)
#else
#define __LL_DMA_GET_INSTANCE(__CHANNEL_INSTANCE__) (DMA1)
#endif
/**
* @brief Convert DMAx_Channely into LL_DMA_CHANNEL_y
* @param __CHANNEL_INSTANCE__ DMAx_Channely
* @retval LL_DMA_CHANNEL_y
*/
#if defined (DMA2)
#define __LL_DMA_GET_CHANNEL(__CHANNEL_INSTANCE__) \
(((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA1_Channel1)) ? LL_DMA_CHANNEL_1 : \
((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA2_Channel1)) ? LL_DMA_CHANNEL_1 : \
((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA1_Channel2)) ? LL_DMA_CHANNEL_2 : \
((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA2_Channel2)) ? LL_DMA_CHANNEL_2 : \
((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA1_Channel3)) ? LL_DMA_CHANNEL_3 : \
((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA2_Channel3)) ? LL_DMA_CHANNEL_3 : \
((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA1_Channel4)) ? LL_DMA_CHANNEL_4 : \
((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA2_Channel4)) ? LL_DMA_CHANNEL_4 : \
((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA1_Channel5)) ? LL_DMA_CHANNEL_5 : \
((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA2_Channel5)) ? LL_DMA_CHANNEL_5 : \
((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA1_Channel6)) ? LL_DMA_CHANNEL_6 : \
LL_DMA_CHANNEL_7)
#else
#define __LL_DMA_GET_CHANNEL(__CHANNEL_INSTANCE__) \
(((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA1_Channel1)) ? LL_DMA_CHANNEL_1 : \
((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA1_Channel2)) ? LL_DMA_CHANNEL_2 : \
((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA1_Channel3)) ? LL_DMA_CHANNEL_3 : \
((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA1_Channel4)) ? LL_DMA_CHANNEL_4 : \
((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA1_Channel5)) ? LL_DMA_CHANNEL_5 : \
((uint32_t)(__CHANNEL_INSTANCE__) == ((uint32_t)DMA1_Channel6)) ? LL_DMA_CHANNEL_6 : \
LL_DMA_CHANNEL_7)
#endif
/**
* @brief Convert DMA Instance DMAx and LL_DMA_CHANNEL_y into DMAx_Channely
* @param __DMA_INSTANCE__ DMAx
* @param __CHANNEL__ LL_DMA_CHANNEL_y
* @retval DMAx_Channely
*/
#if defined (DMA2)
#define __LL_DMA_GET_CHANNEL_INSTANCE(__DMA_INSTANCE__, __CHANNEL__) \
((((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA1)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_1))) ? DMA1_Channel1 : \
(((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA2)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_1))) ? DMA2_Channel1 : \
(((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA1)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_2))) ? DMA1_Channel2 : \
(((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA2)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_2))) ? DMA2_Channel2 : \
(((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA1)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_3))) ? DMA1_Channel3 : \
(((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA2)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_3))) ? DMA2_Channel3 : \
(((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA1)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_4))) ? DMA1_Channel4 : \
(((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA2)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_4))) ? DMA2_Channel4 : \
(((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA1)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_5))) ? DMA1_Channel5 : \
(((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA2)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_5))) ? DMA2_Channel5 : \
(((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA1)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_6))) ? DMA1_Channel6 : \
DMA1_Channel7)
#else
#define __LL_DMA_GET_CHANNEL_INSTANCE(__DMA_INSTANCE__, __CHANNEL__) \
((((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA1)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_1))) ? DMA1_Channel1 : \
(((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA1)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_2))) ? DMA1_Channel2 : \
(((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA1)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_3))) ? DMA1_Channel3 : \
(((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA1)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_4))) ? DMA1_Channel4 : \
(((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA1)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_5))) ? DMA1_Channel5 : \
(((uint32_t)(__DMA_INSTANCE__) == ((uint32_t)DMA1)) && ((uint32_t)(__CHANNEL__) == ((uint32_t)LL_DMA_CHANNEL_6))) ? DMA1_Channel6 : \
DMA1_Channel7)
#endif
/**
* @}
*/
/**
* @}
*/
/* Exported functions --------------------------------------------------------*/
/** @defgroup DMA_LL_Exported_Functions DMA Exported Functions
* @{
*/
/** @defgroup DMA_LL_EF_Configuration Configuration
* @{
*/
/**
* @brief Enable DMA channel.
* @rmtoll CCR EN LL_DMA_EnableChannel
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @retval None
*/
__STATIC_INLINE void LL_DMA_EnableChannel(DMA_TypeDef *DMAx, uint32_t Channel)
{
SET_BIT(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR, DMA_CCR_EN);
}
/**
* @brief Disable DMA channel.
* @rmtoll CCR EN LL_DMA_DisableChannel
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @retval None
*/
__STATIC_INLINE void LL_DMA_DisableChannel(DMA_TypeDef *DMAx, uint32_t Channel)
{
CLEAR_BIT(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR, DMA_CCR_EN);
}
/**
* @brief Check if DMA channel is enabled or disabled.
* @rmtoll CCR EN LL_DMA_IsEnabledChannel
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_DMA_IsEnabledChannel(DMA_TypeDef *DMAx, uint32_t Channel)
{
return (READ_BIT(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR,
DMA_CCR_EN) == (DMA_CCR_EN));
}
/**
* @brief Configure all parameters link to DMA transfer.
* @rmtoll CCR DIR LL_DMA_ConfigTransfer\n
* CCR MEM2MEM LL_DMA_ConfigTransfer\n
* CCR CIRC LL_DMA_ConfigTransfer\n
* CCR PINC LL_DMA_ConfigTransfer\n
* CCR MINC LL_DMA_ConfigTransfer\n
* CCR PSIZE LL_DMA_ConfigTransfer\n
* CCR MSIZE LL_DMA_ConfigTransfer\n
* CCR PL LL_DMA_ConfigTransfer
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @param Configuration This parameter must be a combination of all the following values:
* @arg @ref LL_DMA_DIRECTION_PERIPH_TO_MEMORY or @ref LL_DMA_DIRECTION_MEMORY_TO_PERIPH or @ref LL_DMA_DIRECTION_MEMORY_TO_MEMORY
* @arg @ref LL_DMA_MODE_NORMAL or @ref LL_DMA_MODE_CIRCULAR
* @arg @ref LL_DMA_PERIPH_INCREMENT or @ref LL_DMA_PERIPH_NOINCREMENT
* @arg @ref LL_DMA_MEMORY_INCREMENT or @ref LL_DMA_MEMORY_NOINCREMENT
* @arg @ref LL_DMA_PDATAALIGN_BYTE or @ref LL_DMA_PDATAALIGN_HALFWORD or @ref LL_DMA_PDATAALIGN_WORD
* @arg @ref LL_DMA_MDATAALIGN_BYTE or @ref LL_DMA_MDATAALIGN_HALFWORD or @ref LL_DMA_MDATAALIGN_WORD
* @arg @ref LL_DMA_PRIORITY_LOW or @ref LL_DMA_PRIORITY_MEDIUM or @ref LL_DMA_PRIORITY_HIGH or @ref LL_DMA_PRIORITY_VERYHIGH
* @retval None
*/
__STATIC_INLINE void LL_DMA_ConfigTransfer(DMA_TypeDef *DMAx, uint32_t Channel, uint32_t Configuration)
{
MODIFY_REG(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR,
DMA_CCR_DIR | DMA_CCR_MEM2MEM | DMA_CCR_CIRC | DMA_CCR_PINC | DMA_CCR_MINC | DMA_CCR_PSIZE | DMA_CCR_MSIZE | DMA_CCR_PL,
Configuration);
}
/**
* @brief Set Data transfer direction (read from peripheral or from memory).
* @rmtoll CCR DIR LL_DMA_SetDataTransferDirection\n
* CCR MEM2MEM LL_DMA_SetDataTransferDirection
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @param Direction This parameter can be one of the following values:
* @arg @ref LL_DMA_DIRECTION_PERIPH_TO_MEMORY
* @arg @ref LL_DMA_DIRECTION_MEMORY_TO_PERIPH
* @arg @ref LL_DMA_DIRECTION_MEMORY_TO_MEMORY
* @retval None
*/
__STATIC_INLINE void LL_DMA_SetDataTransferDirection(DMA_TypeDef *DMAx, uint32_t Channel, uint32_t Direction)
{
MODIFY_REG(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR,
DMA_CCR_DIR | DMA_CCR_MEM2MEM, Direction);
}
/**
* @brief Get Data transfer direction (read from peripheral or from memory).
* @rmtoll CCR DIR LL_DMA_GetDataTransferDirection\n
* CCR MEM2MEM LL_DMA_GetDataTransferDirection
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @retval Returned value can be one of the following values:
* @arg @ref LL_DMA_DIRECTION_PERIPH_TO_MEMORY
* @arg @ref LL_DMA_DIRECTION_MEMORY_TO_PERIPH
* @arg @ref LL_DMA_DIRECTION_MEMORY_TO_MEMORY
*/
__STATIC_INLINE uint32_t LL_DMA_GetDataTransferDirection(DMA_TypeDef *DMAx, uint32_t Channel)
{
return (READ_BIT(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR,
DMA_CCR_DIR | DMA_CCR_MEM2MEM));
}
/**
* @brief Set DMA mode circular or normal.
* @note The circular buffer mode cannot be used if the memory-to-memory
* data transfer is configured on the selected Channel.
* @rmtoll CCR CIRC LL_DMA_SetMode
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @param Mode This parameter can be one of the following values:
* @arg @ref LL_DMA_MODE_NORMAL
* @arg @ref LL_DMA_MODE_CIRCULAR
* @retval None
*/
__STATIC_INLINE void LL_DMA_SetMode(DMA_TypeDef *DMAx, uint32_t Channel, uint32_t Mode)
{
MODIFY_REG(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR, DMA_CCR_CIRC,
Mode);
}
/**
* @brief Get DMA mode circular or normal.
* @rmtoll CCR CIRC LL_DMA_GetMode
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @retval Returned value can be one of the following values:
* @arg @ref LL_DMA_MODE_NORMAL
* @arg @ref LL_DMA_MODE_CIRCULAR
*/
__STATIC_INLINE uint32_t LL_DMA_GetMode(DMA_TypeDef *DMAx, uint32_t Channel)
{
return (READ_BIT(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR,
DMA_CCR_CIRC));
}
/**
* @brief Set Peripheral increment mode.
* @rmtoll CCR PINC LL_DMA_SetPeriphIncMode
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @param PeriphOrM2MSrcIncMode This parameter can be one of the following values:
* @arg @ref LL_DMA_PERIPH_INCREMENT
* @arg @ref LL_DMA_PERIPH_NOINCREMENT
* @retval None
*/
__STATIC_INLINE void LL_DMA_SetPeriphIncMode(DMA_TypeDef *DMAx, uint32_t Channel, uint32_t PeriphOrM2MSrcIncMode)
{
MODIFY_REG(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR, DMA_CCR_PINC,
PeriphOrM2MSrcIncMode);
}
/**
* @brief Get Peripheral increment mode.
* @rmtoll CCR PINC LL_DMA_GetPeriphIncMode
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @retval Returned value can be one of the following values:
* @arg @ref LL_DMA_PERIPH_INCREMENT
* @arg @ref LL_DMA_PERIPH_NOINCREMENT
*/
__STATIC_INLINE uint32_t LL_DMA_GetPeriphIncMode(DMA_TypeDef *DMAx, uint32_t Channel)
{
return (READ_BIT(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR,
DMA_CCR_PINC));
}
/**
* @brief Set Memory increment mode.
* @rmtoll CCR MINC LL_DMA_SetMemoryIncMode
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @param MemoryOrM2MDstIncMode This parameter can be one of the following values:
* @arg @ref LL_DMA_MEMORY_INCREMENT
* @arg @ref LL_DMA_MEMORY_NOINCREMENT
* @retval None
*/
__STATIC_INLINE void LL_DMA_SetMemoryIncMode(DMA_TypeDef *DMAx, uint32_t Channel, uint32_t MemoryOrM2MDstIncMode)
{
MODIFY_REG(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR, DMA_CCR_MINC,
MemoryOrM2MDstIncMode);
}
/**
* @brief Get Memory increment mode.
* @rmtoll CCR MINC LL_DMA_GetMemoryIncMode
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @retval Returned value can be one of the following values:
* @arg @ref LL_DMA_MEMORY_INCREMENT
* @arg @ref LL_DMA_MEMORY_NOINCREMENT
*/
__STATIC_INLINE uint32_t LL_DMA_GetMemoryIncMode(DMA_TypeDef *DMAx, uint32_t Channel)
{
return (READ_BIT(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR,
DMA_CCR_MINC));
}
/**
* @brief Set Peripheral size.
* @rmtoll CCR PSIZE LL_DMA_SetPeriphSize
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @param PeriphOrM2MSrcDataSize This parameter can be one of the following values:
* @arg @ref LL_DMA_PDATAALIGN_BYTE
* @arg @ref LL_DMA_PDATAALIGN_HALFWORD
* @arg @ref LL_DMA_PDATAALIGN_WORD
* @retval None
*/
__STATIC_INLINE void LL_DMA_SetPeriphSize(DMA_TypeDef *DMAx, uint32_t Channel, uint32_t PeriphOrM2MSrcDataSize)
{
MODIFY_REG(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR, DMA_CCR_PSIZE,
PeriphOrM2MSrcDataSize);
}
/**
* @brief Get Peripheral size.
* @rmtoll CCR PSIZE LL_DMA_GetPeriphSize
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @retval Returned value can be one of the following values:
* @arg @ref LL_DMA_PDATAALIGN_BYTE
* @arg @ref LL_DMA_PDATAALIGN_HALFWORD
* @arg @ref LL_DMA_PDATAALIGN_WORD
*/
__STATIC_INLINE uint32_t LL_DMA_GetPeriphSize(DMA_TypeDef *DMAx, uint32_t Channel)
{
return (READ_BIT(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR,
DMA_CCR_PSIZE));
}
/**
* @brief Set Memory size.
* @rmtoll CCR MSIZE LL_DMA_SetMemorySize
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @param MemoryOrM2MDstDataSize This parameter can be one of the following values:
* @arg @ref LL_DMA_MDATAALIGN_BYTE
* @arg @ref LL_DMA_MDATAALIGN_HALFWORD
* @arg @ref LL_DMA_MDATAALIGN_WORD
* @retval None
*/
__STATIC_INLINE void LL_DMA_SetMemorySize(DMA_TypeDef *DMAx, uint32_t Channel, uint32_t MemoryOrM2MDstDataSize)
{
MODIFY_REG(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR, DMA_CCR_MSIZE,
MemoryOrM2MDstDataSize);
}
/**
* @brief Get Memory size.
* @rmtoll CCR MSIZE LL_DMA_GetMemorySize
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @retval Returned value can be one of the following values:
* @arg @ref LL_DMA_MDATAALIGN_BYTE
* @arg @ref LL_DMA_MDATAALIGN_HALFWORD
* @arg @ref LL_DMA_MDATAALIGN_WORD
*/
__STATIC_INLINE uint32_t LL_DMA_GetMemorySize(DMA_TypeDef *DMAx, uint32_t Channel)
{
return (READ_BIT(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR,
DMA_CCR_MSIZE));
}
/**
* @brief Set Channel priority level.
* @rmtoll CCR PL LL_DMA_SetChannelPriorityLevel
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @param Priority This parameter can be one of the following values:
* @arg @ref LL_DMA_PRIORITY_LOW
* @arg @ref LL_DMA_PRIORITY_MEDIUM
* @arg @ref LL_DMA_PRIORITY_HIGH
* @arg @ref LL_DMA_PRIORITY_VERYHIGH
* @retval None
*/
__STATIC_INLINE void LL_DMA_SetChannelPriorityLevel(DMA_TypeDef *DMAx, uint32_t Channel, uint32_t Priority)
{
MODIFY_REG(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR, DMA_CCR_PL,
Priority);
}
/**
* @brief Get Channel priority level.
* @rmtoll CCR PL LL_DMA_GetChannelPriorityLevel
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @retval Returned value can be one of the following values:
* @arg @ref LL_DMA_PRIORITY_LOW
* @arg @ref LL_DMA_PRIORITY_MEDIUM
* @arg @ref LL_DMA_PRIORITY_HIGH
* @arg @ref LL_DMA_PRIORITY_VERYHIGH
*/
__STATIC_INLINE uint32_t LL_DMA_GetChannelPriorityLevel(DMA_TypeDef *DMAx, uint32_t Channel)
{
return (READ_BIT(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CCR,
DMA_CCR_PL));
}
/**
* @brief Set Number of data to transfer.
* @note This action has no effect if
* channel is enabled.
* @rmtoll CNDTR NDT LL_DMA_SetDataLength
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @param NbData Between Min_Data = 0 and Max_Data = 0x0000FFFF
* @retval None
*/
__STATIC_INLINE void LL_DMA_SetDataLength(DMA_TypeDef *DMAx, uint32_t Channel, uint32_t NbData)
{
MODIFY_REG(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CNDTR,
DMA_CNDTR_NDT, NbData);
}
/**
* @brief Get Number of data to transfer.
* @note Once the channel is enabled, the return value indicate the
* remaining bytes to be transmitted.
* @rmtoll CNDTR NDT LL_DMA_GetDataLength
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @retval Between Min_Data = 0 and Max_Data = 0xFFFFFFFF
*/
__STATIC_INLINE uint32_t LL_DMA_GetDataLength(DMA_TypeDef *DMAx, uint32_t Channel)
{
return (READ_BIT(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CNDTR,
DMA_CNDTR_NDT));
}
/**
* @brief Configure the Source and Destination addresses.
* @note This API must not be called when the DMA channel is enabled.
* @note Each IP using DMA provides an API to get directly the register adress (LL_PPP_DMA_GetRegAddr).
* @rmtoll CPAR PA LL_DMA_ConfigAddresses\n
* CMAR MA LL_DMA_ConfigAddresses
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @param SrcAddress Between Min_Data = 0 and Max_Data = 0xFFFFFFFF
* @param DstAddress Between Min_Data = 0 and Max_Data = 0xFFFFFFFF
* @param Direction This parameter can be one of the following values:
* @arg @ref LL_DMA_DIRECTION_PERIPH_TO_MEMORY
* @arg @ref LL_DMA_DIRECTION_MEMORY_TO_PERIPH
* @arg @ref LL_DMA_DIRECTION_MEMORY_TO_MEMORY
* @retval None
*/
__STATIC_INLINE void LL_DMA_ConfigAddresses(DMA_TypeDef *DMAx, uint32_t Channel, uint32_t SrcAddress,
uint32_t DstAddress, uint32_t Direction)
{
/* Direction Memory to Periph */
if (Direction == LL_DMA_DIRECTION_MEMORY_TO_PERIPH)
{
WRITE_REG(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CMAR, SrcAddress);
WRITE_REG(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CPAR, DstAddress);
}
/* Direction Periph to Memory and Memory to Memory */
else
{
WRITE_REG(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CPAR, SrcAddress);
WRITE_REG(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CMAR, DstAddress);
}
}
/**
* @brief Set the Memory address.
* @note Interface used for direction LL_DMA_DIRECTION_PERIPH_TO_MEMORY or LL_DMA_DIRECTION_MEMORY_TO_PERIPH only.
* @note This API must not be called when the DMA channel is enabled.
* @rmtoll CMAR MA LL_DMA_SetMemoryAddress
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @param MemoryAddress Between Min_Data = 0 and Max_Data = 0xFFFFFFFF
* @retval None
*/
__STATIC_INLINE void LL_DMA_SetMemoryAddress(DMA_TypeDef *DMAx, uint32_t Channel, uint32_t MemoryAddress)
{
WRITE_REG(((DMA_Channel_TypeDef *)((uint32_t)((uint32_t)DMAx + CHANNEL_OFFSET_TAB[Channel - 1U])))->CMAR, MemoryAddress);
}
/**
* @brief Set the Peripheral address.
* @note Interface used for direction LL_DMA_DIRECTION_PERIPH_TO_MEMORY or LL_DMA_DIRECTION_MEMORY_TO_PERIPH only.
* @note This API must not be called when the DMA channel is enabled.
* @rmtoll CPAR PA LL_DMA_SetPeriphAddress
* @param DMAx DMAx Instance
* @param Channel This parameter can be one of the following values:
* @arg @ref LL_DMA_CHANNEL_1
* @arg @ref LL_DMA_CHANNEL_2
* @arg @ref LL_DMA_CHANNEL_3
* @arg @ref LL_DMA_CHANNEL_4
* @arg @ref LL_DMA_CHANNEL_5
* @arg @ref LL_DMA_CHANNEL_6
* @arg @ref LL_DMA_CHANNEL_7
* @param PeriphAddress Between Min_Data = 0 and Max_Data = 0xFFFFFFFF