/** ****************************************************************************** * @file stm32f1xx_hal_dma.h * @author MCD Application Team * @version V1.0.4 * @date 29-April-2016 * @brief Header file of DMA HAL module. ****************************************************************************** * @attention * *

© COPYRIGHT(c) 2016 STMicroelectronics

* * 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_HAL_DMA_H #define __STM32F1xx_HAL_DMA_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f1xx_hal_def.h" /** @addtogroup STM32F1xx_HAL_Driver * @{ */ /** @addtogroup DMA * @{ */ /* Exported types ------------------------------------------------------------*/ /** @defgroup DMA_Exported_Types DMA Exported Types * @{ */ /** * @brief DMA Configuration Structure definition */ typedef struct { 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_Data_transfer_direction */ uint32_t PeriphInc; /*!< Specifies whether the Peripheral address register should be incremented or not. This parameter can be a value of @ref DMA_Peripheral_incremented_mode */ uint32_t MemInc; /*!< Specifies whether the memory address register should be incremented or not. This parameter can be a value of @ref DMA_Memory_incremented_mode */ uint32_t PeriphDataAlignment; /*!< Specifies the Peripheral data width. This parameter can be a value of @ref DMA_Peripheral_data_size */ uint32_t MemDataAlignment; /*!< Specifies the Memory data width. This parameter can be a value of @ref DMA_Memory_data_size */ uint32_t Mode; /*!< Specifies the operation mode of the DMAy Channelx. This parameter can be a value of @ref DMA_mode @note The circular buffer mode cannot be used if the memory-to-memory data transfer is configured on the selected Channel */ uint32_t Priority; /*!< Specifies the software priority for the DMAy Channelx. This parameter can be a value of @ref DMA_Priority_level */ } DMA_InitTypeDef; /** * @brief DMA Configuration enumeration values definition */ typedef enum { DMA_MODE = 0, /*!< Control related DMA mode Parameter in DMA_InitTypeDef */ DMA_PRIORITY = 1, /*!< Control related priority level Parameter in DMA_InitTypeDef */ } DMA_ControlTypeDef; /** * @brief HAL DMA State structures definition */ typedef enum { HAL_DMA_STATE_RESET = 0x00, /*!< DMA not yet initialized or disabled */ HAL_DMA_STATE_READY = 0x01, /*!< DMA initialized and ready for use */ HAL_DMA_STATE_READY_HALF = 0x11, /*!< DMA Half process success */ HAL_DMA_STATE_BUSY = 0x02, /*!< DMA process is ongoing */ HAL_DMA_STATE_TIMEOUT = 0x03, /*!< DMA timeout state */ HAL_DMA_STATE_ERROR = 0x04, /*!< DMA error state */ }HAL_DMA_StateTypeDef; /** * @brief HAL DMA Error Code structure definition */ typedef enum { HAL_DMA_FULL_TRANSFER = 0x00, /*!< Full transfer */ HAL_DMA_HALF_TRANSFER = 0x01, /*!< Half Transfer */ }HAL_DMA_LevelCompleteTypeDef; /** * @brief DMA handle Structure definition */ typedef struct __DMA_HandleTypeDef { DMA_Channel_TypeDef *Instance; /*!< Register base address */ DMA_InitTypeDef Init; /*!< DMA communication parameters */ HAL_LockTypeDef Lock; /*!< DMA locking object */ HAL_DMA_StateTypeDef State; /*!< DMA transfer state */ void *Parent; /*!< Parent object state */ void (* XferCpltCallback)( struct __DMA_HandleTypeDef * hdma); /*!< DMA transfer complete callback */ void (* XferHalfCpltCallback)( struct __DMA_HandleTypeDef * hdma); /*!< DMA Half transfer complete callback */ void (* XferErrorCallback)( struct __DMA_HandleTypeDef * hdma); /*!< DMA transfer error callback */ __IO uint32_t ErrorCode; /*!< DMA Error code */ } DMA_HandleTypeDef; /** * @} */ /* Exported constants --------------------------------------------------------*/ /** @defgroup DMA_Exported_Constants DMA Exported Constants * @{ */ /** @defgroup DMA_Error_Code DMA Error Code * @{ */ #define HAL_DMA_ERROR_NONE ((uint32_t)0x00) /*!< No error */ #define HAL_DMA_ERROR_TE ((uint32_t)0x01) /*!< Transfer error */ #define HAL_DMA_ERROR_TIMEOUT ((uint32_t)0x20) /*!< Timeout error */ /** * @} */ /** @defgroup DMA_Data_transfer_direction DMA Data transfer direction * @{ */ #define DMA_PERIPH_TO_MEMORY ((uint32_t)0x00000000) /*!< Peripheral to memory direction */ #define DMA_MEMORY_TO_PERIPH ((uint32_t)DMA_CCR_DIR) /*!< Memory to peripheral direction */ #define DMA_MEMORY_TO_MEMORY ((uint32_t)DMA_CCR_MEM2MEM) /*!< Memory to memory direction */ /** * @} */ /** @defgroup DMA_Peripheral_incremented_mode DMA Peripheral incremented mode * @{ */ #define DMA_PINC_ENABLE ((uint32_t)DMA_CCR_PINC) /*!< Peripheral increment mode Enable */ #define DMA_PINC_DISABLE ((uint32_t)0x00000000) /*!< Peripheral increment mode Disable */ /** * @} */ /** @defgroup DMA_Memory_incremented_mode DMA Memory incremented mode * @{ */ #define DMA_MINC_ENABLE ((uint32_t)DMA_CCR_MINC) /*!< Memory increment mode Enable */ #define DMA_MINC_DISABLE ((uint32_t)0x00000000) /*!< Memory increment mode Disable */ /** * @} */ /** @defgroup DMA_Peripheral_data_size DMA Peripheral data size * @{ */ #define DMA_PDATAALIGN_BYTE ((uint32_t)0x00000000) /*!< Peripheral data alignment: Byte */ #define DMA_PDATAALIGN_HALFWORD ((uint32_t)DMA_CCR_PSIZE_0) /*!< Peripheral data alignment: HalfWord */ #define DMA_PDATAALIGN_WORD ((uint32_t)DMA_CCR_PSIZE_1) /*!< Peripheral data alignment: Word */ /** * @} */ /** @defgroup DMA_Memory_data_size DMA Memory data size * @{ */ #define DMA_MDATAALIGN_BYTE ((uint32_t)0x00000000) /*!< Memory data alignment: Byte */ #define DMA_MDATAALIGN_HALFWORD ((uint32_t)DMA_CCR_MSIZE_0) /*!< Memory data alignment: HalfWord */ #define DMA_MDATAALIGN_WORD ((uint32_t)DMA_CCR_MSIZE_1) /*!< Memory data alignment: Word */ /** * @} */ /** @defgroup DMA_mode DMA mode * @{ */ #define DMA_NORMAL ((uint32_t)0x00000000) /*!< Normal mode */ #define DMA_CIRCULAR ((uint32_t)DMA_CCR_CIRC) /*!< Circular mode */ /** * @} */ /** @defgroup DMA_Priority_level DMA Priority level * @{ */ #define DMA_PRIORITY_LOW ((uint32_t)0x00000000) /*!< Priority level : Low */ #define DMA_PRIORITY_MEDIUM ((uint32_t)DMA_CCR_PL_0) /*!< Priority level : Medium */ #define DMA_PRIORITY_HIGH ((uint32_t)DMA_CCR_PL_1) /*!< Priority level : High */ #define DMA_PRIORITY_VERY_HIGH ((uint32_t)DMA_CCR_PL) /*!< Priority level : Very_High */ /** * @} */ /** @defgroup DMA_interrupt_enable_definitions DMA interrupt enable definitions * @{ */ #define DMA_IT_TC ((uint32_t)DMA_CCR_TCIE) #define DMA_IT_HT ((uint32_t)DMA_CCR_HTIE) #define DMA_IT_TE ((uint32_t)DMA_CCR_TEIE) /** * @} */ /** @defgroup DMA_flag_definitions DMA flag definitions * @{ */ #define DMA_FLAG_GL1 ((uint32_t)0x00000001) #define DMA_FLAG_TC1 ((uint32_t)0x00000002) #define DMA_FLAG_HT1 ((uint32_t)0x00000004) #define DMA_FLAG_TE1 ((uint32_t)0x00000008) #define DMA_FLAG_GL2 ((uint32_t)0x00000010) #define DMA_FLAG_TC2 ((uint32_t)0x00000020) #define DMA_FLAG_HT2 ((uint32_t)0x00000040) #define DMA_FLAG_TE2 ((uint32_t)0x00000080) #define DMA_FLAG_GL3 ((uint32_t)0x00000100) #define DMA_FLAG_TC3 ((uint32_t)0x00000200) #define DMA_FLAG_HT3 ((uint32_t)0x00000400) #define DMA_FLAG_TE3 ((uint32_t)0x00000800) #define DMA_FLAG_GL4 ((uint32_t)0x00001000) #define DMA_FLAG_TC4 ((uint32_t)0x00002000) #define DMA_FLAG_HT4 ((uint32_t)0x00004000) #define DMA_FLAG_TE4 ((uint32_t)0x00008000) #define DMA_FLAG_GL5 ((uint32_t)0x00010000) #define DMA_FLAG_TC5 ((uint32_t)0x00020000) #define DMA_FLAG_HT5 ((uint32_t)0x00040000) #define DMA_FLAG_TE5 ((uint32_t)0x00080000) #define DMA_FLAG_GL6 ((uint32_t)0x00100000) #define DMA_FLAG_TC6 ((uint32_t)0x00200000) #define DMA_FLAG_HT6 ((uint32_t)0x00400000) #define DMA_FLAG_TE6 ((uint32_t)0x00800000) #define DMA_FLAG_GL7 ((uint32_t)0x01000000) #define DMA_FLAG_TC7 ((uint32_t)0x02000000) #define DMA_FLAG_HT7 ((uint32_t)0x04000000) #define DMA_FLAG_TE7 ((uint32_t)0x08000000) /** * @} */ /** * @} */ /* Exported macro ------------------------------------------------------------*/ /** @defgroup DMA_Exported_Macros DMA Exported Macros * @{ */ /** @brief Reset DMA handle state * @param __HANDLE__: DMA handle. * @retval None */ #define __HAL_DMA_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_DMA_STATE_RESET) /** * @brief Enable the specified DMA Channel. * @param __HANDLE__: DMA handle * @retval None. */ #define __HAL_DMA_ENABLE(__HANDLE__) (SET_BIT((__HANDLE__)->Instance->CCR, DMA_CCR_EN)) /** * @brief Disable the specified DMA Channel. * @param __HANDLE__: DMA handle * @retval None. */ #define __HAL_DMA_DISABLE(__HANDLE__) (CLEAR_BIT((__HANDLE__)->Instance->CCR, DMA_CCR_EN)) /* Interrupt & Flag management */ /** * @brief Enables the specified DMA Channel interrupts. * @param __HANDLE__: DMA handle * @param __INTERRUPT__: specifies the DMA interrupt sources to be enabled or disabled. * This parameter can be any combination of the following values: * @arg DMA_IT_TC: Transfer complete interrupt mask * @arg DMA_IT_HT: Half transfer complete interrupt mask * @arg DMA_IT_TE: Transfer error interrupt mask * @retval None */ #define __HAL_DMA_ENABLE_IT(__HANDLE__, __INTERRUPT__) (SET_BIT((__HANDLE__)->Instance->CCR, (__INTERRUPT__))) /** * @brief Disables the specified DMA Channel interrupts. * @param __HANDLE__: DMA handle * @param __INTERRUPT__: specifies the DMA interrupt sources to be enabled or disabled. * This parameter can be any combination of the following values: * @arg DMA_IT_TC: Transfer complete interrupt mask * @arg DMA_IT_HT: Half transfer complete interrupt mask * @arg DMA_IT_TE: Transfer error interrupt mask * @retval None */ #define __HAL_DMA_DISABLE_IT(__HANDLE__, __INTERRUPT__) (CLEAR_BIT((__HANDLE__)->Instance->CCR , (__INTERRUPT__))) /** * @brief Checks whether the specified DMA Channel interrupt is enabled or disabled. * @param __HANDLE__: DMA handle * @param __INTERRUPT__: specifies the DMA interrupt source to check. * This parameter can be one of the following values: * @arg DMA_IT_TC: Transfer complete interrupt mask * @arg DMA_IT_HT: Half transfer complete interrupt mask * @arg DMA_IT_TE: Transfer error interrupt mask * @retval The state of DMA_IT (SET or RESET). */ #define __HAL_DMA_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CCR & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET) /** * @brief Returns the number of remaining data units in the current DMAy Channelx transfer. * @param __HANDLE__: DMA handle * * @retval The number of remaining data units in the current DMA Channel transfer. */ #define __HAL_DMA_GET_COUNTER(__HANDLE__) ((__HANDLE__)->Instance->CNDTR) /** * @} */ /* Include DMA HAL Extension module */ #include "stm32f1xx_hal_dma_ex.h" /* Exported functions --------------------------------------------------------*/ /** @addtogroup DMA_Exported_Functions DMA Exported Functions * @{ */ /** @addtogroup DMA_Exported_Functions_Group1 Initialization and de-initialization functions * @{ */ /* Initialization and de-initialization functions *****************************/ /*- injected dox -*/ /** * @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); /*- injected dox -*/ /** * @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); /** * @} */ /** @addtogroup DMA_Exported_Functions_Group2 Input and Output operation functions * @{ */ /* IO operation functions *****************************************************/ /*- injected dox -*/ /** * @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); /*- injected dox -*/ /** * @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 */ /*- injected dox -*/ /** * @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); /*- injected dox -*/ /** * @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); /*- injected dox -*/ /** * @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); /*- injected dox -*/ /** * @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); /** * @} */ /** @addtogroup DMA_Exported_Functions_Group3 Peripheral State functions * @{ */ /* Peripheral State and Error functions ***************************************/ /*- injected dox -*/ /** * @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); /*- injected dox -*/ /** * @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); /** * @} */ /** * @} */ /* Private Constants -------------------------------------------------------------*/ /** @defgroup DMA_Private_Constants DMA Private Constants * @brief DMA private defines and constants * @{ */ /** * @} */ /* Private macros ------------------------------------------------------------*/ /** @defgroup DMA_Private_Macros DMA Private Macros * @brief DMA private macros * @{ */ #define IS_DMA_BUFFER_SIZE(SIZE) (((SIZE) >= 0x1) && ((SIZE) < 0x10000)) #define IS_DMA_DIRECTION(DIRECTION) (((DIRECTION) == DMA_PERIPH_TO_MEMORY ) || \ ((DIRECTION) == DMA_MEMORY_TO_PERIPH) || \ ((DIRECTION) == DMA_MEMORY_TO_MEMORY)) #define IS_DMA_PERIPHERAL_INC_STATE(STATE) (((STATE) == DMA_PINC_ENABLE) || \ ((STATE) == DMA_PINC_DISABLE)) #define IS_DMA_MEMORY_INC_STATE(STATE) (((STATE) == DMA_MINC_ENABLE) || \ ((STATE) == DMA_MINC_DISABLE)) #define IS_DMA_PERIPHERAL_DATA_SIZE(SIZE) (((SIZE) == DMA_PDATAALIGN_BYTE) || \ ((SIZE) == DMA_PDATAALIGN_HALFWORD) || \ ((SIZE) == DMA_PDATAALIGN_WORD)) #define IS_DMA_MEMORY_DATA_SIZE(SIZE) (((SIZE) == DMA_MDATAALIGN_BYTE) || \ ((SIZE) == DMA_MDATAALIGN_HALFWORD) || \ ((SIZE) == DMA_MDATAALIGN_WORD )) #define IS_DMA_MODE(MODE) (((MODE) == DMA_NORMAL ) || \ ((MODE) == DMA_CIRCULAR)) #define IS_DMA_PRIORITY(PRIORITY) (((PRIORITY) == DMA_PRIORITY_LOW ) || \ ((PRIORITY) == DMA_PRIORITY_MEDIUM) || \ ((PRIORITY) == DMA_PRIORITY_HIGH) || \ ((PRIORITY) == DMA_PRIORITY_VERY_HIGH)) /** * @} */ /* Private functions ---------------------------------------------------------*/ /** @defgroup DMA_Private_Functions DMA Private Functions * @brief DMA private functions * @{ */ /** * @} */ /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32F1xx_HAL_DMA_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/