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Diffstat (limited to 'stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c')
| -rw-r--r-- | stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c | 709 |
1 files changed, 0 insertions, 709 deletions
diff --git a/stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c b/stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c deleted file mode 100644 index a249c81..0000000 --- a/stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c +++ /dev/null @@ -1,709 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f1xx_hal_dma.c - * @author MCD Application Team - * @version V1.0.4 - * @date 29-April-2016 - * @brief DMA HAL module driver. - * - * This file provides firmware functions to manage the following - * functionalities of the Direct Memory Access (DMA) peripheral: - * + Initialization and de-initialization functions - * + IO operation functions - * + Peripheral State and errors functions - @verbatim - ============================================================================== - ##### How to use this driver ##### - ============================================================================== - [..] - (#) Enable and configure the peripheral to be connected to the DMA Channel - (except for internal SRAM / FLASH memories: no initialization is - necessary) please refer to Reference manual for connection between peripherals - and DMA requests. - - (#) For a given Channel, program the required configuration through the following parameters: - Transfer Direction, Source and Destination data formats, - Circular or Normal mode, Channel Priority level, Source and Destination Increment mode, - using HAL_DMA_Init() function. - - (#) Use HAL_DMA_GetState() function to return the DMA state and HAL_DMA_GetError() in case of error - detection. - - (#) Use HAL_DMA_Abort() function to abort the current transfer - - -@- In Memory-to-Memory transfer mode, Circular mode is not allowed. - *** Polling mode IO operation *** - ================================= - [..] - (+) Use HAL_DMA_Start() to start DMA transfer after the configuration of Source - address and destination address and the Length of data to be transferred - (+) Use HAL_DMA_PollForTransfer() to poll for the end of current transfer, in this - case a fixed Timeout can be configured by User depending from his application. - - *** Interrupt mode IO operation *** - =================================== - [..] - (+) Configure the DMA interrupt priority using HAL_NVIC_SetPriority() - (+) Enable the DMA IRQ handler using HAL_NVIC_EnableIRQ() - (+) Use HAL_DMA_Start_IT() to start DMA transfer after the configuration of - Source address and destination address and the Length of data to be transferred. - In this case the DMA interrupt is configured - (+) Use HAL_DMAy_Channelx_IRQHandler() called under DMA_IRQHandler() Interrupt subroutine - (+) At the end of data transfer HAL_DMA_IRQHandler() function is executed and user can - add his own function by customization of function pointer XferCpltCallback and - XferErrorCallback (i.e a member of DMA handle structure). - - *** DMA HAL driver macros list *** - ============================================= - [..] - Below the list of most used macros in DMA HAL driver. - - (+) __HAL_DMA_ENABLE: Enable the specified DMA Channel. - (+) __HAL_DMA_DISABLE: Disable the specified DMA Channel. - (+) __HAL_DMA_GET_FLAG: Get the DMA Channel pending flags. - (+) __HAL_DMA_CLEAR_FLAG: Clear the DMA Channel pending flags. - (+) __HAL_DMA_ENABLE_IT: Enable the specified DMA Channel interrupts. - (+) __HAL_DMA_DISABLE_IT: Disable the specified DMA Channel interrupts. - (+) __HAL_DMA_GET_IT_SOURCE: Check whether the specified DMA Channel interrupt has occurred or not. - - [..] - (@) You can refer to the DMA HAL driver header file for more useful macros - - @endverbatim - ****************************************************************************** - * @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. - * - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f1xx_hal.h" - -/** @addtogroup STM32F1xx_HAL_Driver - * @{ - */ - -/** @defgroup DMA DMA - * @brief DMA HAL module driver - * @{ - */ - -#ifdef HAL_DMA_MODULE_ENABLED - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/** @defgroup DMA_Private_Constants DMA Private Constants - * @{ - */ -#define HAL_TIMEOUT_DMA_ABORT ((uint32_t)1000) /* 1s */ -/** - * @} - */ - -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/** @defgroup DMA_Private_Functions DMA Private Functions - * @{ - */ -static void DMA_SetConfig(DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength); -/** - * @} - */ - -/* Exported functions ---------------------------------------------------------*/ - -/** @defgroup DMA_Exported_Functions DMA Exported Functions - * @{ - */ - -/** @defgroup DMA_Exported_Functions_Group1 Initialization and de-initialization functions - * @brief Initialization and de-initialization functions - * -@verbatim - =============================================================================== - ##### Initialization and de-initialization functions ##### - =============================================================================== - [..] - This section provides functions allowing to initialize the DMA Channel source - and destination addresses, incrementation and data sizes, transfer direction, - circular/normal mode selection, memory-to-memory mode selection and Channel priority value. - [..] - The HAL_DMA_Init() function follows the DMA configuration procedures as described in - reference manual. - -@endverbatim - * @{ - */ - -/** - * @brief Initializes the DMA according to the specified - * parameters in the DMA_InitTypeDef and create the associated handle. - * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Channel. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DMA_Init(DMA_HandleTypeDef *hdma) -{ - uint32_t tmp = 0; - - /* Check the DMA handle allocation */ - if(hdma == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_DMA_ALL_INSTANCE(hdma->Instance)); - assert_param(IS_DMA_DIRECTION(hdma->Init.Direction)); - assert_param(IS_DMA_PERIPHERAL_INC_STATE(hdma->Init.PeriphInc)); - assert_param(IS_DMA_MEMORY_INC_STATE(hdma->Init.MemInc)); - assert_param(IS_DMA_PERIPHERAL_DATA_SIZE(hdma->Init.PeriphDataAlignment)); - assert_param(IS_DMA_MEMORY_DATA_SIZE(hdma->Init.MemDataAlignment)); - assert_param(IS_DMA_MODE(hdma->Init.Mode)); - assert_param(IS_DMA_PRIORITY(hdma->Init.Priority)); - - if(hdma->State == HAL_DMA_STATE_RESET) - { - /* Allocate lock resource and initialize it */ - hdma->Lock = HAL_UNLOCKED; - } - - /* Change DMA peripheral state */ - hdma->State = HAL_DMA_STATE_BUSY; - - /* Get the CR register value */ - tmp = hdma->Instance->CCR; - - /* Clear PL, MSIZE, PSIZE, MINC, PINC, CIRC, DIR bits */ - tmp &= ((uint32_t)~(DMA_CCR_PL | DMA_CCR_MSIZE | DMA_CCR_PSIZE | \ - DMA_CCR_MINC | DMA_CCR_PINC | DMA_CCR_CIRC | \ - DMA_CCR_DIR)); - - /* Prepare the DMA Channel configuration */ - tmp |= hdma->Init.Direction | - hdma->Init.PeriphInc | hdma->Init.MemInc | - hdma->Init.PeriphDataAlignment | hdma->Init.MemDataAlignment | - hdma->Init.Mode | hdma->Init.Priority; - - /* Write to DMA Channel CR register */ - hdma->Instance->CCR = tmp; - - /* Initialise the error code */ - hdma->ErrorCode = HAL_DMA_ERROR_NONE; - - /* Initialize the DMA state*/ - hdma->State = HAL_DMA_STATE_READY; - - return HAL_OK; -} - -/** - * @brief DeInitializes the DMA peripheral - * @param hdma: pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Channel. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DMA_DeInit(DMA_HandleTypeDef *hdma) -{ - /* Check the DMA handle allocation */ - if(hdma == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_DMA_ALL_INSTANCE(hdma->Instance)); - - /* Check the DMA peripheral state */ - if(hdma->State == HAL_DMA_STATE_BUSY) - { - return HAL_ERROR; - } - - /* Disable the selected DMA Channelx */ - __HAL_DMA_DISABLE(hdma); - - /* Reset DMA Channel control register */ - hdma->Instance->CCR = 0; - - /* Reset DMA Channel Number of Data to Transfer register */ - hdma->Instance->CNDTR = 0; - - /* Reset DMA Channel peripheral address register */ - hdma->Instance->CPAR = 0; - - /* Reset DMA Channel memory address register */ - hdma->Instance->CMAR = 0; - - /* Clear all flags */ - __HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_TC_FLAG_INDEX(hdma)); - __HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_TE_FLAG_INDEX(hdma)); - __HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_HT_FLAG_INDEX(hdma)); - - /* Initialize the error code */ - hdma->ErrorCode = HAL_DMA_ERROR_NONE; - - /* Initialize the DMA state */ - hdma->State = HAL_DMA_STATE_RESET; - - /* Release Lock */ - __HAL_UNLOCK(hdma); - - return HAL_OK; -} - -/** - * @} - */ - -/** @defgroup DMA_Exported_Functions_Group2 Input and Output operation functions - * @brief I/O operation functions - * -@verbatim - =============================================================================== - ##### IO operation functions ##### - =============================================================================== - [..] This section provides functions allowing to: - (+) Configure the source, destination address and data length and Start DMA transfer - (+) Configure the source, destination address and data length and - Start DMA transfer with interrupt - (+) Abort DMA transfer - (+) Poll for transfer complete - (+) Handle DMA interrupt request - -@endverbatim - * @{ - */ - -/** - * @brief Starts the DMA Transfer. - * @param hdma : pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Channel. - * @param SrcAddress: The source memory Buffer address - * @param DstAddress: The destination memory Buffer address - * @param DataLength: The length of data to be transferred from source to destination - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DMA_Start(DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength) -{ - /* Process locked */ - __HAL_LOCK(hdma); - - /* Change DMA peripheral state */ - hdma->State = HAL_DMA_STATE_BUSY; - - /* Check the parameters */ - assert_param(IS_DMA_BUFFER_SIZE(DataLength)); - - /* Disable the peripheral */ - __HAL_DMA_DISABLE(hdma); - - /* Configure the source, destination address and the data length */ - DMA_SetConfig(hdma, SrcAddress, DstAddress, DataLength); - - /* Enable the Peripheral */ - __HAL_DMA_ENABLE(hdma); - - return HAL_OK; -} - -/** - * @brief Start the DMA Transfer with interrupt enabled. - * @param hdma: pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Channel. - * @param SrcAddress: The source memory Buffer address - * @param DstAddress: The destination memory Buffer address - * @param DataLength: The length of data to be transferred from source to destination - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DMA_Start_IT(DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength) -{ - /* Process locked */ - __HAL_LOCK(hdma); - - /* Change DMA peripheral state */ - hdma->State = HAL_DMA_STATE_BUSY; - - /* Check the parameters */ - assert_param(IS_DMA_BUFFER_SIZE(DataLength)); - - /* Disable the peripheral */ - __HAL_DMA_DISABLE(hdma); - - /* Configure the source, destination address and the data length */ - DMA_SetConfig(hdma, SrcAddress, DstAddress, DataLength); - - /* Enable the transfer complete interrupt */ - __HAL_DMA_ENABLE_IT(hdma, DMA_IT_TC); - - /* Enable the Half transfer complete interrupt */ - __HAL_DMA_ENABLE_IT(hdma, DMA_IT_HT); - - /* Enable the transfer Error interrupt */ - __HAL_DMA_ENABLE_IT(hdma, DMA_IT_TE); - - /* Enable the Peripheral */ - __HAL_DMA_ENABLE(hdma); - - return HAL_OK; -} - -/** - * @brief Aborts the DMA Transfer. - * @param hdma : pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Channel. - * - * @note After disabling a DMA Channel, a check for wait until the DMA Channel is - * effectively disabled is added. If a Channel is disabled - * while a data transfer is ongoing, the current data will be transferred - * and the Channel will be effectively disabled only after the transfer of - * this single data is finished. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DMA_Abort(DMA_HandleTypeDef *hdma) -{ - uint32_t tickstart = 0x00; - - /* Disable the channel */ - __HAL_DMA_DISABLE(hdma); - - /* Get tick */ - tickstart = HAL_GetTick(); - - /* Check if the DMA Channel is effectively disabled */ - while((hdma->Instance->CCR & DMA_CCR_EN) != 0) - { - /* Check for the Timeout */ - if((HAL_GetTick() - tickstart) > HAL_TIMEOUT_DMA_ABORT) - { - /* Update error code */ - SET_BIT(hdma->ErrorCode, HAL_DMA_ERROR_TIMEOUT); - - /* Change the DMA state */ - hdma->State = HAL_DMA_STATE_TIMEOUT; - - /* Process Unlocked */ - __HAL_UNLOCK(hdma); - - return HAL_TIMEOUT; - } - } - /* Change the DMA state */ - hdma->State = HAL_DMA_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hdma); - - return HAL_OK; -} - -/** - * @brief Polling for transfer complete. - * @param hdma: pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Channel. - * @param CompleteLevel: Specifies the DMA level complete. - * @param Timeout: Timeout duration. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DMA_PollForTransfer(DMA_HandleTypeDef *hdma, uint32_t CompleteLevel, uint32_t Timeout) -{ - uint32_t temp; - uint32_t tickstart = 0x00; - - /* Get the level transfer complete flag */ - if(CompleteLevel == HAL_DMA_FULL_TRANSFER) - { - /* Transfer Complete flag */ - temp = __HAL_DMA_GET_TC_FLAG_INDEX(hdma); - } - else - { - /* Half Transfer Complete flag */ - temp = __HAL_DMA_GET_HT_FLAG_INDEX(hdma); - } - - /* Get tick */ - tickstart = HAL_GetTick(); - - while(__HAL_DMA_GET_FLAG(hdma, temp) == RESET) - { - if((__HAL_DMA_GET_FLAG(hdma, __HAL_DMA_GET_TE_FLAG_INDEX(hdma)) != RESET)) - { - /* Clear the transfer error flags */ - __HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_TE_FLAG_INDEX(hdma)); - - /* Update error code */ - SET_BIT(hdma->ErrorCode, HAL_DMA_ERROR_TE); - - /* Change the DMA state */ - hdma->State= HAL_DMA_STATE_ERROR; - - /* Process Unlocked */ - __HAL_UNLOCK(hdma); - - return HAL_ERROR; - } - /* Check for the Timeout */ - if(Timeout != HAL_MAX_DELAY) - { - if((Timeout == 0) || ((HAL_GetTick() - tickstart) > Timeout)) - { - /* Update error code */ - SET_BIT(hdma->ErrorCode, HAL_DMA_ERROR_TIMEOUT); - - /* Change the DMA state */ - hdma->State = HAL_DMA_STATE_TIMEOUT; - - /* Process Unlocked */ - __HAL_UNLOCK(hdma); - - return HAL_TIMEOUT; - } - } - } - - if(CompleteLevel == HAL_DMA_FULL_TRANSFER) - { - /* Clear the transfer complete flag */ - __HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_TC_FLAG_INDEX(hdma)); - - /* The selected Channelx EN bit is cleared (DMA is disabled and - all transfers are complete) */ - hdma->State = HAL_DMA_STATE_READY; - - } - else - { - /* Clear the half transfer complete flag */ - __HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_HT_FLAG_INDEX(hdma)); - - /* The selected Channelx EN bit is cleared (DMA is disabled and - all transfers of half buffer are complete) */ - hdma->State = HAL_DMA_STATE_READY_HALF; - } - - /* Process unlocked */ - __HAL_UNLOCK(hdma); - - return HAL_OK; -} - -/** - * @brief Handles DMA interrupt request. - * @param hdma: pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Channel. - * @retval None - */ -void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma) -{ - /* Transfer Error Interrupt management ***************************************/ - if(__HAL_DMA_GET_FLAG(hdma, __HAL_DMA_GET_TE_FLAG_INDEX(hdma)) != RESET) - { - if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_TE) != RESET) - { - /* Disable the transfer error interrupt */ - __HAL_DMA_DISABLE_IT(hdma, DMA_IT_TE); - - /* Clear the transfer error flag */ - __HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_TE_FLAG_INDEX(hdma)); - - /* Update error code */ - SET_BIT(hdma->ErrorCode, HAL_DMA_ERROR_TE); - - /* Change the DMA state */ - hdma->State = HAL_DMA_STATE_ERROR; - - /* Process Unlocked */ - __HAL_UNLOCK(hdma); - - if (hdma->XferErrorCallback != NULL) - { - /* Transfer error callback */ - hdma->XferErrorCallback(hdma); - } - } - } - - /* Half Transfer Complete Interrupt management ******************************/ - if(__HAL_DMA_GET_FLAG(hdma, __HAL_DMA_GET_HT_FLAG_INDEX(hdma)) != RESET) - { - if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_HT) != RESET) - { - /* Disable the half transfer interrupt if the DMA mode is not CIRCULAR */ - if((hdma->Instance->CCR & DMA_CCR_CIRC) == 0) - { - /* Disable the half transfer interrupt */ - __HAL_DMA_DISABLE_IT(hdma, DMA_IT_HT); - } - /* Clear the half transfer complete flag */ - __HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_HT_FLAG_INDEX(hdma)); - - /* Change DMA peripheral state */ - hdma->State = HAL_DMA_STATE_READY_HALF; - - if(hdma->XferHalfCpltCallback != NULL) - { - /* Half transfer callback */ - hdma->XferHalfCpltCallback(hdma); - } - } - } - - /* Transfer Complete Interrupt management ***********************************/ - if(__HAL_DMA_GET_FLAG(hdma, __HAL_DMA_GET_TC_FLAG_INDEX(hdma)) != RESET) - { - if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_TC) != RESET) - { - if((hdma->Instance->CCR & DMA_CCR_CIRC) == 0) - { - /* Disable the transfer complete interrupt */ - __HAL_DMA_DISABLE_IT(hdma, DMA_IT_TC); - } - /* Clear the transfer complete flag */ - __HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_TC_FLAG_INDEX(hdma)); - - /* Update error code */ - SET_BIT(hdma->ErrorCode, HAL_DMA_ERROR_NONE); - - /* Change the DMA state */ - hdma->State = HAL_DMA_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hdma); - - if(hdma->XferCpltCallback != NULL) - { - /* Transfer complete callback */ - hdma->XferCpltCallback(hdma); - } - } - } -} - -/** - * @} - */ - -/** @defgroup DMA_Exported_Functions_Group3 Peripheral State functions - * @brief Peripheral State functions - * -@verbatim - =============================================================================== - ##### State and Errors functions ##### - =============================================================================== - [..] - This subsection provides functions allowing to - (+) Check the DMA state - (+) Get error code - -@endverbatim - * @{ - */ - -/** - * @brief Returns the DMA state. - * @param hdma: pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Channel. - * @retval HAL state - */ -HAL_DMA_StateTypeDef HAL_DMA_GetState(DMA_HandleTypeDef *hdma) -{ - return hdma->State; -} - -/** - * @brief Return the DMA error code - * @param hdma : pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Channel. - * @retval DMA Error Code - */ -uint32_t HAL_DMA_GetError(DMA_HandleTypeDef *hdma) -{ - return hdma->ErrorCode; -} - -/** - * @} - */ - -/** - * @} - */ - -/** @addtogroup DMA_Private_Functions DMA Private Functions - * @{ - */ - -/** - * @brief Sets the DMA Transfer parameter. - * @param hdma: pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Channel. - * @param SrcAddress: The source memory Buffer address - * @param DstAddress: The destination memory Buffer address - * @param DataLength: The length of data to be transferred from source to destination - * @retval HAL status - */ -static void DMA_SetConfig(DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength) -{ - /* Configure DMA Channel data length */ - hdma->Instance->CNDTR = DataLength; - - /* Peripheral to Memory */ - if((hdma->Init.Direction) == DMA_MEMORY_TO_PERIPH) - { - /* Configure DMA Channel destination address */ - hdma->Instance->CPAR = DstAddress; - - /* Configure DMA Channel source address */ - hdma->Instance->CMAR = SrcAddress; - } - /* Memory to Peripheral */ - else - { - /* Configure DMA Channel source address */ - hdma->Instance->CPAR = SrcAddress; - - /* Configure DMA Channel destination address */ - hdma->Instance->CMAR = DstAddress; - } -} - -/** - * @} - */ - -#endif /* HAL_DMA_MODULE_ENABLED */ -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |