Mercurial > pub > halpp
diff l476rg/Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_dma.h @ 0:32a3b1785697
a rough draft of Hardware Abstraction Layer for C++
STM32L476RG drivers
| author | cin |
|---|---|
| date | Thu, 12 Jan 2017 02:45:43 +0300 |
| parents | |
| children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/l476rg/Drivers/STM32L4xx_HAL_Driver/Inc/stm32l4xx_hal_dma.h Thu Jan 12 02:45:43 2017 +0300 @@ -0,0 +1,609 @@ +/** + ****************************************************************************** + * @file stm32l4xx_hal_dma.h + * @author MCD Application Team + * @version V1.6.0 + * @date 28-October-2016 + * @brief Header file of DMA HAL 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 __STM32L4xx_HAL_DMA_H +#define __STM32L4xx_HAL_DMA_H + +#ifdef __cplusplus + extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32l4xx_hal_def.h" + +/** @addtogroup STM32L4xx_HAL_Driver + * @{ + */ + +/** @addtogroup DMA + * @{ + */ + +/* Exported types ------------------------------------------------------------*/ + +/** @defgroup DMA_Exported_Types DMA Exported Types + * @{ + */ + +/** + * @brief DMA Configuration Structure definition + */ +typedef struct +{ + uint32_t Request; /*!< Specifies the request selected for the specified channel. + This parameter can be a value of @ref DMA_request */ + + 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 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_BUSY = 0x02, /*!< DMA process is ongoing */ + HAL_DMA_STATE_TIMEOUT = 0x03, /*!< DMA timeout 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 HAL DMA Callback ID structure definition + */ +typedef enum +{ + HAL_DMA_XFER_CPLT_CB_ID = 0x00, /*!< Full transfer */ + HAL_DMA_XFER_HALFCPLT_CB_ID = 0x01, /*!< Half transfer */ + HAL_DMA_XFER_ERROR_CB_ID = 0x02, /*!< Error */ + HAL_DMA_XFER_ABORT_CB_ID = 0x03, /*!< Abort */ + HAL_DMA_XFER_ALL_CB_ID = 0x04 /*!< All */ + +}HAL_DMA_CallbackIDTypeDef; + +/** + * @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 */ + + __IO 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 */ + + void (* XferAbortCallback)( struct __DMA_HandleTypeDef * hdma); /*!< DMA transfer abort callback */ + + __IO uint32_t ErrorCode; /*!< DMA Error code */ + + DMA_TypeDef *DmaBaseAddress; /*!< DMA Channel Base Address */ + + uint32_t ChannelIndex; /*!< DMA Channel Index */ +}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)0x00000000) /*!< No error */ +#define HAL_DMA_ERROR_TE ((uint32_t)0x00000001) /*!< Transfer error */ +#define HAL_DMA_ERROR_NO_XFER ((uint32_t)0x00000004) /*!< no ongoing transfer */ +#define HAL_DMA_ERROR_TIMEOUT ((uint32_t)0x00000020) /*!< Timeout error */ +#define HAL_DMA_ERROR_NOT_SUPPORTED ((uint32_t)0x00000100) /*!< Not supported mode */ +/** + * @} + */ + +/** @defgroup DMA_request DMA request + * @{ + */ +#define DMA_REQUEST_0 ((uint32_t)0x00000000) +#define DMA_REQUEST_1 ((uint32_t)0x00000001) +#define DMA_REQUEST_2 ((uint32_t)0x00000002) +#define DMA_REQUEST_3 ((uint32_t)0x00000003) +#define DMA_REQUEST_4 ((uint32_t)0x00000004) +#define DMA_REQUEST_5 ((uint32_t)0x00000005) +#define DMA_REQUEST_6 ((uint32_t)0x00000006) +#define DMA_REQUEST_7 ((uint32_t)0x00000007) +/** + * @} + */ + +/** @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 macros -----------------------------------------------------------*/ +/** @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__) ((__HANDLE__)->Instance->CCR |= DMA_CCR_EN) + +/** + * @brief Disable the specified DMA Channel. + * @param __HANDLE__: DMA handle + * @retval None + */ +#define __HAL_DMA_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CCR &= ~DMA_CCR_EN) + + +/* Interrupt & Flag management */ + +/** + * @brief Return the current DMA Channel transfer complete flag. + * @param __HANDLE__: DMA handle + * @retval The specified transfer complete flag index. + */ + +#define __HAL_DMA_GET_TC_FLAG_INDEX(__HANDLE__) \ +(((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_FLAG_TC1 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel1))? DMA_FLAG_TC1 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_FLAG_TC2 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel2))? DMA_FLAG_TC2 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_TC3 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel3))? DMA_FLAG_TC3 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_TC4 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel4))? DMA_FLAG_TC4 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_FLAG_TC5 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel5))? DMA_FLAG_TC5 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_FLAG_TC6 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel6))? DMA_FLAG_TC6 :\ + DMA_FLAG_TC7) + +/** + * @brief Return the current DMA Channel half transfer complete flag. + * @param __HANDLE__: DMA handle + * @retval The specified half transfer complete flag index. + */ +#define __HAL_DMA_GET_HT_FLAG_INDEX(__HANDLE__)\ +(((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_FLAG_HT1 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel1))? DMA_FLAG_HT1 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_FLAG_HT2 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel2))? DMA_FLAG_HT2 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_HT3 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel3))? DMA_FLAG_HT3 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_HT4 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel4))? DMA_FLAG_HT4 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_FLAG_HT5 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel5))? DMA_FLAG_HT5 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_FLAG_HT6 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel6))? DMA_FLAG_HT6 :\ + DMA_FLAG_HT7) + +/** + * @brief Return the current DMA Channel transfer error flag. + * @param __HANDLE__: DMA handle + * @retval The specified transfer error flag index. + */ +#define __HAL_DMA_GET_TE_FLAG_INDEX(__HANDLE__)\ +(((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_FLAG_TE1 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel1))? DMA_FLAG_TE1 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_FLAG_TE2 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel2))? DMA_FLAG_TE2 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_TE3 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel3))? DMA_FLAG_TE3 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_TE4 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel4))? DMA_FLAG_TE4 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_FLAG_TE5 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel5))? DMA_FLAG_TE5 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_FLAG_TE6 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel6))? DMA_FLAG_TE6 :\ + DMA_FLAG_TE7) + +/** + * @brief Return the current DMA Channel Global interrupt flag. + * @param __HANDLE__: DMA handle + * @retval The specified transfer error flag index. + */ +#define __HAL_DMA_GET_GI_FLAG_INDEX(__HANDLE__)\ +(((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel1))? DMA_ISR_GIF1 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel1))? DMA_ISR_GIF1 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel2))? DMA_ISR_GIF2 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel2))? DMA_ISR_GIF2 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_ISR_GIF3 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel3))? DMA_ISR_GIF3 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_ISR_GIF4 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel4))? DMA_ISR_GIF4 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_ISR_GIF5 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel5))? DMA_ISR_GIF5 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_ISR_GIF6 :\ + ((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA2_Channel6))? DMA_ISR_GIF6 :\ + DMA_ISR_GIF7) + +/** + * @brief Get the DMA Channel pending flags. + * @param __HANDLE__: DMA handle + * @param __FLAG__: Get the specified flag. + * This parameter can be any combination of the following values: + * @arg DMA_FLAG_TCx: Transfer complete flag + * @arg DMA_FLAG_HTx: Half transfer complete flag + * @arg DMA_FLAG_TEx: Transfer error flag + * @arg DMA_FLAG_GLx: Global interrupt flag + * Where x can be from 1 to 7 to select the DMA Channel x flag. + * @retval The state of FLAG (SET or RESET). + */ +#define __HAL_DMA_GET_FLAG(__HANDLE__, __FLAG__) (((uint32_t)((__HANDLE__)->Instance) > ((uint32_t)DMA1_Channel7))? \ + (DMA2->ISR & (__FLAG__)) : (DMA1->ISR & (__FLAG__))) + +/** + * @brief Clear the DMA Channel pending flags. + * @param __HANDLE__: DMA handle + * @param __FLAG__: specifies the flag to clear. + * This parameter can be any combination of the following values: + * @arg DMA_FLAG_TCx: Transfer complete flag + * @arg DMA_FLAG_HTx: Half transfer complete flag + * @arg DMA_FLAG_TEx: Transfer error flag + * @arg DMA_FLAG_GLx: Global interrupt flag + * Where x can be from 1 to 7 to select the DMA Channel x flag. + * @retval None + */ +#define __HAL_DMA_CLEAR_FLAG(__HANDLE__, __FLAG__) (((uint32_t)((__HANDLE__)->Instance) > ((uint32_t)DMA1_Channel7))? \ + (DMA2->IFCR = (__FLAG__)) : (DMA1->IFCR = (__FLAG__))) + +/** + * @brief Enable 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__) ((__HANDLE__)->Instance->CCR |= (__INTERRUPT__)) + +/** + * @brief Disable 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__) ((__HANDLE__)->Instance->CCR &= ~(__INTERRUPT__)) + +/** + * @brief Check whether the specified DMA Channel interrupt is enabled or not. + * @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__))) + +/** + * @brief Return the number of remaining data units in the current DMA Channel 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) + +/** + * @} + */ + +/* Exported functions --------------------------------------------------------*/ + +/** @addtogroup DMA_Exported_Functions + * @{ + */ + +/** @addtogroup DMA_Exported_Functions_Group1 + * @{ + */ +/* Initialization and de-initialization functions *****************************/ +HAL_StatusTypeDef HAL_DMA_Init(DMA_HandleTypeDef *hdma); +HAL_StatusTypeDef HAL_DMA_DeInit (DMA_HandleTypeDef *hdma); +/** + * @} + */ + +/** @addtogroup DMA_Exported_Functions_Group2 + * @{ + */ +/* IO operation functions *****************************************************/ +HAL_StatusTypeDef HAL_DMA_Start (DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength); +HAL_StatusTypeDef HAL_DMA_Start_IT(DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength); +HAL_StatusTypeDef HAL_DMA_Abort(DMA_HandleTypeDef *hdma); +HAL_StatusTypeDef HAL_DMA_Abort_IT(DMA_HandleTypeDef *hdma); +HAL_StatusTypeDef HAL_DMA_PollForTransfer(DMA_HandleTypeDef *hdma, uint32_t CompleteLevel, uint32_t Timeout); +void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma); +HAL_StatusTypeDef HAL_DMA_RegisterCallback(DMA_HandleTypeDef *hdma, HAL_DMA_CallbackIDTypeDef CallbackID, void (* pCallback)( DMA_HandleTypeDef * _hdma)); +HAL_StatusTypeDef HAL_DMA_UnRegisterCallback(DMA_HandleTypeDef *hdma, HAL_DMA_CallbackIDTypeDef CallbackID); + +/** + * @} + */ + +/** @addtogroup DMA_Exported_Functions_Group3 + * @{ + */ +/* Peripheral State and Error functions ***************************************/ +HAL_DMA_StateTypeDef HAL_DMA_GetState(DMA_HandleTypeDef *hdma); +uint32_t HAL_DMA_GetError(DMA_HandleTypeDef *hdma); +/** + * @} + */ + +/** + * @} + */ + +/* Private macros ------------------------------------------------------------*/ +/** @defgroup DMA_Private_Macros DMA Private Macros + * @{ + */ + +#define IS_DMA_DIRECTION(DIRECTION) (((DIRECTION) == DMA_PERIPH_TO_MEMORY ) || \ + ((DIRECTION) == DMA_MEMORY_TO_PERIPH) || \ + ((DIRECTION) == DMA_MEMORY_TO_MEMORY)) + +#define IS_DMA_BUFFER_SIZE(SIZE) (((SIZE) >= 0x1) && ((SIZE) < 0x10000)) + +#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_ALL_REQUEST(REQUEST) (((REQUEST) == DMA_REQUEST_0) || \ + ((REQUEST) == DMA_REQUEST_1) || \ + ((REQUEST) == DMA_REQUEST_2) || \ + ((REQUEST) == DMA_REQUEST_3) || \ + ((REQUEST) == DMA_REQUEST_4) || \ + ((REQUEST) == DMA_REQUEST_5) || \ + ((REQUEST) == DMA_REQUEST_6) || \ + ((REQUEST) == DMA_REQUEST_7)) + +#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 ---------------------------------------------------------*/ + +/** + * @} + */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __STM32L4xx_HAL_DMA_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/