From 94f94260ace13688285fc8c62687079b26c18854 Mon Sep 17 00:00:00 2001 From: jaseg Date: Sun, 20 Dec 2020 15:18:02 +0100 Subject: Submodule-cache WIP --- .../STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_dma.c | 901 --------------------- 1 file changed, 901 deletions(-) delete mode 100644 fw/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_dma.c (limited to 'fw/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_dma.c') diff --git a/fw/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_dma.c b/fw/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_dma.c deleted file mode 100644 index b7f91a4..0000000 --- a/fw/cdc-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_dma.c +++ /dev/null @@ -1,901 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f0xx_hal_dma.c - * @author MCD Application Team - * @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_DMA_Channel_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. - - [..] - (@) You can refer to the DMA HAL driver header file for more useful macros - - @endverbatim - ****************************************************************************** - * @attention - * - *

© Copyright (c) 2016 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 - * - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f0xx_hal.h" - -/** @addtogroup STM32F0xx_HAL_Driver - * @{ - */ - - -/** @defgroup DMA DMA - * @brief DMA HAL module driver - * @{ - */ - -#ifdef HAL_DMA_MODULE_ENABLED - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* 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); -static void DMA_CalcBaseAndBitshift(DMA_HandleTypeDef *hdma); -/** - * @} - */ - -/* 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 Initialize the DMA according to the specified - * parameters in the DMA_InitTypeDef and initialize 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 = 0U; - - /* Check the DMA handle allocation */ - if(NULL == hdma) - { - 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)); - - /* 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; - - /* Initialize DmaBaseAddress and ChannelIndex parameters used - by HAL_DMA_IRQHandler() and HAL_DMA_PollForTransfer() */ - DMA_CalcBaseAndBitshift(hdma); - - /* Initialise the error code */ - hdma->ErrorCode = HAL_DMA_ERROR_NONE; - - /* Initialize the DMA state*/ - hdma->State = HAL_DMA_STATE_READY; - - /* Allocate lock resource and initialize it */ - hdma->Lock = HAL_UNLOCKED; - - return HAL_OK; -} - -/** - * @brief DeInitialize 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(NULL == hdma) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_DMA_ALL_INSTANCE(hdma->Instance)); - - /* Disable the selected DMA Channelx */ - hdma->Instance->CCR &= ~DMA_CCR_EN; - - /* Reset DMA Channel control register */ - hdma->Instance->CCR = 0U; - - /* Reset DMA Channel Number of Data to Transfer register */ - hdma->Instance->CNDTR = 0U; - - /* Reset DMA Channel peripheral address register */ - hdma->Instance->CPAR = 0U; - - /* Reset DMA Channel memory address register */ - hdma->Instance->CMAR = 0U; - -/* Get DMA Base Address */ - DMA_CalcBaseAndBitshift(hdma); - - /* Clear all flags */ - hdma->DmaBaseAddress->IFCR = DMA_FLAG_GL1 << hdma->ChannelIndex; - - /* Clean callbacks */ - hdma->XferCpltCallback = NULL; - hdma->XferHalfCpltCallback = NULL; - hdma->XferErrorCallback = NULL; - hdma->XferAbortCallback = NULL; - - /* Reset the error code */ - hdma->ErrorCode = HAL_DMA_ERROR_NONE; - - /* Reset 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 Start 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) -{ - HAL_StatusTypeDef status = HAL_OK; - - /* Check the parameters */ - assert_param(IS_DMA_BUFFER_SIZE(DataLength)); - - /* Process locked */ - __HAL_LOCK(hdma); - - if(HAL_DMA_STATE_READY == hdma->State) - { - /* Change DMA peripheral state */ - hdma->State = HAL_DMA_STATE_BUSY; - - hdma->ErrorCode = HAL_DMA_ERROR_NONE; - - /* Disable the peripheral */ - hdma->Instance->CCR &= ~DMA_CCR_EN; - - /* Configure the source, destination address and the data length */ - DMA_SetConfig(hdma, SrcAddress, DstAddress, DataLength); - - /* Enable the Peripheral */ - hdma->Instance->CCR |= DMA_CCR_EN; - } - else - { - /* Process Unlocked */ - __HAL_UNLOCK(hdma); - - /* Remain BUSY */ - status = HAL_BUSY; - } - - return status; -} - -/** - * @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) -{ - HAL_StatusTypeDef status = HAL_OK; - - /* Check the parameters */ - assert_param(IS_DMA_BUFFER_SIZE(DataLength)); - - /* Process locked */ - __HAL_LOCK(hdma); - - if(HAL_DMA_STATE_READY == hdma->State) - { - /* Change DMA peripheral state */ - hdma->State = HAL_DMA_STATE_BUSY; - - hdma->ErrorCode = HAL_DMA_ERROR_NONE; - - /* Disable the peripheral */ - hdma->Instance->CCR &= ~DMA_CCR_EN; - - /* Configure the source, destination address and the data length */ - DMA_SetConfig(hdma, SrcAddress, DstAddress, DataLength); - - /* Enable the transfer complete, & transfer error interrupts */ - /* Half transfer interrupt is optional: enable it only if associated callback is available */ - if(NULL != hdma->XferHalfCpltCallback ) - { - hdma->Instance->CCR |= (DMA_IT_TC | DMA_IT_HT | DMA_IT_TE); - } - else - { - hdma->Instance->CCR |= (DMA_IT_TC | DMA_IT_TE); - hdma->Instance->CCR &= ~DMA_IT_HT; - } - - /* Enable the Peripheral */ - hdma->Instance->CCR |= DMA_CCR_EN; - } - else - { - /* Process Unlocked */ - __HAL_UNLOCK(hdma); - - /* Remain BUSY */ - status = HAL_BUSY; - } - - return status; -} - -/** - * @brief Abort the DMA Transfer. - * @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_Abort(DMA_HandleTypeDef *hdma) -{ - if(hdma->State != HAL_DMA_STATE_BUSY) - { - /* no transfer ongoing */ - hdma->ErrorCode = HAL_DMA_ERROR_NO_XFER; - - /* Process Unlocked */ - __HAL_UNLOCK(hdma); - - return HAL_ERROR; - } - else - { - /* Disable DMA IT */ - hdma->Instance->CCR &= ~(DMA_IT_TC | DMA_IT_HT | DMA_IT_TE); - - /* Disable the channel */ - hdma->Instance->CCR &= ~DMA_CCR_EN; - - /* Clear all flags */ - hdma->DmaBaseAddress->IFCR = (DMA_FLAG_GL1 << hdma->ChannelIndex); - } - /* Change the DMA state*/ - hdma->State = HAL_DMA_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hdma); - - return HAL_OK; -} - -/** - * @brief Abort the DMA Transfer in Interrupt mode. - * @param hdma pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Stream. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DMA_Abort_IT(DMA_HandleTypeDef *hdma) -{ - HAL_StatusTypeDef status = HAL_OK; - - if(HAL_DMA_STATE_BUSY != hdma->State) - { - /* no transfer ongoing */ - hdma->ErrorCode = HAL_DMA_ERROR_NO_XFER; - - status = HAL_ERROR; - } - else - { - - /* Disable DMA IT */ - hdma->Instance->CCR &= ~(DMA_IT_TC | DMA_IT_HT | DMA_IT_TE); - - /* Disable the channel */ - hdma->Instance->CCR &= ~DMA_CCR_EN; - - /* Clear all flags */ - hdma->DmaBaseAddress->IFCR = DMA_FLAG_GL1 << hdma->ChannelIndex; - - /* Change the DMA state */ - hdma->State = HAL_DMA_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hdma); - - /* Call User Abort callback */ - if(hdma->XferAbortCallback != NULL) - { - hdma->XferAbortCallback(hdma); - } - } - return status; -} - -/** - * @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 = 0U; - - if(HAL_DMA_STATE_BUSY != hdma->State) - { - /* no transfer ongoing */ - hdma->ErrorCode = HAL_DMA_ERROR_NO_XFER; - __HAL_UNLOCK(hdma); - return HAL_ERROR; - } - - /* Polling mode not supported in circular mode */ - if (RESET != (hdma->Instance->CCR & DMA_CCR_CIRC)) - { - hdma->ErrorCode = HAL_DMA_ERROR_NOT_SUPPORTED; - return HAL_ERROR; - } - - /* Get the level transfer complete flag */ - if(HAL_DMA_FULL_TRANSFER == CompleteLevel) - { - /* Transfer Complete flag */ - temp = DMA_FLAG_TC1 << hdma->ChannelIndex; - } - else - { - /* Half Transfer Complete flag */ - temp = DMA_FLAG_HT1 << hdma->ChannelIndex; - } - - /* Get tick */ - tickstart = HAL_GetTick(); - - while(RESET == (hdma->DmaBaseAddress->ISR & temp)) - { - if(RESET != (hdma->DmaBaseAddress->ISR & (DMA_FLAG_TE1 << hdma->ChannelIndex))) - { - /* When a DMA transfer error occurs */ - /* A hardware clear of its EN bits is performed */ - /* Clear all flags */ - hdma->DmaBaseAddress->IFCR = DMA_FLAG_GL1 << hdma->ChannelIndex; - - /* Update error code */ - hdma->ErrorCode = HAL_DMA_ERROR_TE; - - /* Change the DMA state */ - hdma->State= HAL_DMA_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hdma); - - return HAL_ERROR; - } - /* Check for the Timeout */ - if(Timeout != HAL_MAX_DELAY) - { - if((Timeout == 0U) || ((HAL_GetTick() - tickstart) > Timeout)) - { - /* Update error code */ - hdma->ErrorCode = HAL_DMA_ERROR_TIMEOUT; - - /* Change the DMA state */ - hdma->State = HAL_DMA_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hdma); - - return HAL_ERROR; - } - } - } - - if(HAL_DMA_FULL_TRANSFER == CompleteLevel) - { - /* Clear the transfer complete flag */ - hdma->DmaBaseAddress->IFCR = DMA_FLAG_TC1 << hdma->ChannelIndex; - - /* 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 */ - hdma->DmaBaseAddress->IFCR = DMA_FLAG_HT1 << hdma->ChannelIndex; - } - - /* Process unlocked */ - __HAL_UNLOCK(hdma); - - return HAL_OK; -} - -/** - * @brief Handle 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) -{ - uint32_t flag_it = hdma->DmaBaseAddress->ISR; - uint32_t source_it = hdma->Instance->CCR; - - /* Half Transfer Complete Interrupt management ******************************/ - if ((RESET != (flag_it & (DMA_FLAG_HT1 << hdma->ChannelIndex))) && (RESET != (source_it & DMA_IT_HT))) - { - /* Disable the half transfer interrupt if the DMA mode is not CIRCULAR */ - if((hdma->Instance->CCR & DMA_CCR_CIRC) == 0U) - { - /* Disable the half transfer interrupt */ - hdma->Instance->CCR &= ~DMA_IT_HT; - } - - /* Clear the half transfer complete flag */ - hdma->DmaBaseAddress->IFCR = DMA_FLAG_HT1 << hdma->ChannelIndex; - - /* DMA peripheral state is not updated in Half Transfer */ - /* State is updated only in Transfer Complete case */ - - if(hdma->XferHalfCpltCallback != NULL) - { - /* Half transfer callback */ - hdma->XferHalfCpltCallback(hdma); - } - } - - /* Transfer Complete Interrupt management ***********************************/ - else if ((RESET != (flag_it & (DMA_FLAG_TC1 << hdma->ChannelIndex))) && (RESET != (source_it & DMA_IT_TC))) - { - if((hdma->Instance->CCR & DMA_CCR_CIRC) == 0U) - { - /* Disable the transfer complete & transfer error interrupts */ - /* if the DMA mode is not CIRCULAR */ - hdma->Instance->CCR &= ~(DMA_IT_TC | DMA_IT_TE); - - /* Change the DMA state */ - hdma->State = HAL_DMA_STATE_READY; - } - - /* Clear the transfer complete flag */ - hdma->DmaBaseAddress->IFCR = DMA_FLAG_TC1 << hdma->ChannelIndex; - - /* Process Unlocked */ - __HAL_UNLOCK(hdma); - - if(hdma->XferCpltCallback != NULL) - { - /* Transfer complete callback */ - hdma->XferCpltCallback(hdma); - } - } - - /* Transfer Error Interrupt management ***************************************/ - else if (( RESET != (flag_it & (DMA_FLAG_TE1 << hdma->ChannelIndex))) && (RESET != (source_it & DMA_IT_TE))) - { - /* When a DMA transfer error occurs */ - /* A hardware clear of its EN bits is performed */ - /* Then, disable all DMA interrupts */ - hdma->Instance->CCR &= ~(DMA_IT_TC | DMA_IT_HT | DMA_IT_TE); - - /* Clear all flags */ - hdma->DmaBaseAddress->IFCR = DMA_FLAG_GL1 << hdma->ChannelIndex; - - /* Update error code */ - hdma->ErrorCode = HAL_DMA_ERROR_TE; - - /* Change the DMA state */ - hdma->State = HAL_DMA_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hdma); - - if(hdma->XferErrorCallback != NULL) - { - /* Transfer error callback */ - hdma->XferErrorCallback(hdma); - } - } -} - -/** - * @brief Register callbacks - * @param hdma pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Stream. - * @param CallbackID User Callback identifer - * a HAL_DMA_CallbackIDTypeDef ENUM as parameter. - * @param pCallback pointer to private callback function which has pointer to - * a DMA_HandleTypeDef structure as parameter. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DMA_RegisterCallback(DMA_HandleTypeDef *hdma, HAL_DMA_CallbackIDTypeDef CallbackID, void (* pCallback)( DMA_HandleTypeDef * _hdma)) -{ - HAL_StatusTypeDef status = HAL_OK; - - /* Process locked */ - __HAL_LOCK(hdma); - - if(HAL_DMA_STATE_READY == hdma->State) - { - switch (CallbackID) - { - case HAL_DMA_XFER_CPLT_CB_ID: - hdma->XferCpltCallback = pCallback; - break; - - case HAL_DMA_XFER_HALFCPLT_CB_ID: - hdma->XferHalfCpltCallback = pCallback; - break; - - case HAL_DMA_XFER_ERROR_CB_ID: - hdma->XferErrorCallback = pCallback; - break; - - case HAL_DMA_XFER_ABORT_CB_ID: - hdma->XferAbortCallback = pCallback; - break; - - default: - status = HAL_ERROR; - break; - } - } - else - { - status = HAL_ERROR; - } - - /* Release Lock */ - __HAL_UNLOCK(hdma); - - return status; -} - -/** - * @brief UnRegister callbacks - * @param hdma pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Stream. - * @param CallbackID User Callback identifer - * a HAL_DMA_CallbackIDTypeDef ENUM as parameter. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DMA_UnRegisterCallback(DMA_HandleTypeDef *hdma, HAL_DMA_CallbackIDTypeDef CallbackID) -{ - HAL_StatusTypeDef status = HAL_OK; - - /* Process locked */ - __HAL_LOCK(hdma); - - if(HAL_DMA_STATE_READY == hdma->State) - { - switch (CallbackID) - { - case HAL_DMA_XFER_CPLT_CB_ID: - hdma->XferCpltCallback = NULL; - break; - - case HAL_DMA_XFER_HALFCPLT_CB_ID: - hdma->XferHalfCpltCallback = NULL; - break; - - case HAL_DMA_XFER_ERROR_CB_ID: - hdma->XferErrorCallback = NULL; - break; - - case HAL_DMA_XFER_ABORT_CB_ID: - hdma->XferAbortCallback = NULL; - break; - - case HAL_DMA_XFER_ALL_CB_ID: - hdma->XferCpltCallback = NULL; - hdma->XferHalfCpltCallback = NULL; - hdma->XferErrorCallback = NULL; - hdma->XferAbortCallback = NULL; - break; - - default: - status = HAL_ERROR; - break; - } - } - else - { - status = HAL_ERROR; - } - - /* Release Lock */ - __HAL_UNLOCK(hdma); - - return status; -} - -/** - * @} - */ - -/** @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 - * @{ - */ - -/** - * @brief Set the DMA Transfer parameters. - * @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) -{ - /* Clear all flags */ - hdma->DmaBaseAddress->IFCR = (DMA_FLAG_GL1 << hdma->ChannelIndex); - - /* Configure DMA Channel data length */ - hdma->Instance->CNDTR = DataLength; - - /* Memory to Peripheral */ - 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; - } - /* Peripheral to Memory */ - else - { - /* Configure DMA Channel source address */ - hdma->Instance->CPAR = SrcAddress; - - /* Configure DMA Channel destination address */ - hdma->Instance->CMAR = DstAddress; - } -} - -/** - * @brief set the DMA base address and channel index depending on DMA instance - * @param hdma pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Stream. - * @retval None - */ -static void DMA_CalcBaseAndBitshift(DMA_HandleTypeDef *hdma) -{ -#if defined (DMA2) - /* calculation of the channel index */ - if ((uint32_t)(hdma->Instance) < (uint32_t)(DMA2_Channel1)) - { - /* DMA1 */ - hdma->ChannelIndex = (((uint32_t)hdma->Instance - (uint32_t)DMA1_Channel1) / ((uint32_t)DMA1_Channel2 - (uint32_t)DMA1_Channel1)) << 2U; - hdma->DmaBaseAddress = DMA1; - } - else - { - /* DMA2 */ - hdma->ChannelIndex = (((uint32_t)hdma->Instance - (uint32_t)DMA2_Channel1) / ((uint32_t)DMA2_Channel2 - (uint32_t)DMA2_Channel1)) << 2U; - hdma->DmaBaseAddress = DMA2; - } -#else - /* calculation of the channel index */ - /* DMA1 */ - hdma->ChannelIndex = (((uint32_t)hdma->Instance - (uint32_t)DMA1_Channel1) / ((uint32_t)DMA1_Channel2 - (uint32_t)DMA1_Channel1)) << 2U; - hdma->DmaBaseAddress = DMA1; -#endif -} - -/** - * @} - */ - -/** - * @} - */ -#endif /* HAL_DMA_MODULE_ENABLED */ - -/** - * @} - */ - - /** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit