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|
/**
******************************************************************************
* @file stm32l0xx_hal_dma.h
* @author MCD Application Team
* @version V1.2.0
* @date 06-February-2015
* @brief Header file of DMA HAL module.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2015 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 __STM32L0xx_HAL_DMA_H
#define __STM32L0xx_HAL_DMA_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32l0xx_hal_def.h"
/** @addtogroup STM32L0xx_HAL_Driver
* @{
*/
/** @defgroup DMA 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.
When Memory to Memory transfer is used, this is the Source Increment mode
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.
When Memory to Memory transfer is used, this is the Destination Increment mode
This parameter can be a value of @ref DMA_Memory_incremented_mode */
uint32_t PeriphDataAlignment; /*!< Specifies the Peripheral data width.
When Memory to Memory transfer is used, this is the Source Alignment format
This parameter can be a value of @ref DMA_Peripheral_data_size */
uint32_t MemDataAlignment; /*!< Specifies the Memory data width.
When Memory to Memory transfer is used, this is the Destination Alignment format
This parameter can be a value of @ref DMA_Memory_data_size */
uint32_t Mode; /*!< Specifies the operation mode of the DMAy Channelx (Normal or Circular).
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 process success and ready for use */
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_STATE_READY_HALF = 0x05, /*!< DMA Half process success */
}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 */
__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 */
__IO uint32_t ErrorCode; /*!< DMA Error code */
} DMA_HandleTypeDef;
/* Exported constants --------------------------------------------------------*/
/** @defgroup DMA_Exported_Constants DMA Exported Constants
* @{
*/
/** @defgroup DMA_Error_Code DMA Error Codes
* @{
*/
#define HAL_DMA_ERROR_NONE ((uint32_t)0x00000000) /*!< No error */
#define HAL_DMA_ERROR_TE ((uint32_t)0x00000001) /*!< Transfer error */
#define HAL_DMA_ERROR_TIMEOUT ((uint32_t)0x00000020) /*!< Timeout error */
#define IS_DMA_ALL_PERIPH(PERIPH) (((PERIPH) == DMA1_Channel1) || \
((PERIPH) == DMA1_Channel2) || \
((PERIPH) == DMA1_Channel3) || \
((PERIPH) == DMA1_Channel4) || \
((PERIPH) == DMA1_Channel5) || \
((PERIPH) == DMA1_Channel6) || \
((PERIPH) == DMA1_Channel7))
#define IS_DMA_ALL_CONTROLLER(CONTROLLER) (((CONTROLLER) == DMA1))
/**
* @}
*/
/** @defgroup DMA_request DMA request defintiions
* @{
*/
#if defined (STM32L071xx) || defined (STM32L072xx) || defined (STM32L073xx) || defined (STM32L081xx) || defined (STM32L082xx) || defined (STM32L083xx)
#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)
#define DMA_REQUEST_8 ((uint32_t)0x00000008)
#define DMA_REQUEST_9 ((uint32_t)0x00000009)
#define DMA_REQUEST_10 ((uint32_t)0x0000000A)
#define DMA_REQUEST_11 ((uint32_t)0x0000000B)
#define DMA_REQUEST_12 ((uint32_t)0x0000000C)
#define DMA_REQUEST_13 ((uint32_t)0x0000000D)
#define DMA_REQUEST_14 ((uint32_t)0x0000000E)
#define DMA_REQUEST_15 ((uint32_t)0x0000000F)
#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) || \
((REQUEST) == DMA_REQUEST_8) || \
((REQUEST) == DMA_REQUEST_9) || \
((REQUEST) == DMA_REQUEST_10) || \
((REQUEST) == DMA_REQUEST_11) || \
((REQUEST) == DMA_REQUEST_12) || \
((REQUEST) == DMA_REQUEST_13) || \
((REQUEST) == DMA_REQUEST_14) || \
((REQUEST) == DMA_REQUEST_15))
#else /* #if STM32L071xx || STM32L072xx || STM32L073xx || STM32L081xx || STM32L082xx || STM32L083xx */
#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)
#define DMA_REQUEST_8 ((uint32_t)0x00000008)
#define DMA_REQUEST_9 ((uint32_t)0x00000009)
#define DMA_REQUEST_11 ((uint32_t)0x0000000B)
#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) || \
((REQUEST) == DMA_REQUEST_8) || \
((REQUEST) == DMA_REQUEST_9) || \
((REQUEST) == DMA_REQUEST_11))
#endif /* #if defined (STM32L072xx) || defined (STM32L073xx) || defined (STM32L082xx) || defined (STM32L083xx) */
/**
* @}
*/
/** @defgroup DMA_Data_transfer_direction DMA Data Transfer directions
* @{
*/
#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 */
#define IS_DMA_DIRECTION(DIRECTION) (((DIRECTION) == DMA_PERIPH_TO_MEMORY ) || \
((DIRECTION) == DMA_MEMORY_TO_PERIPH) || \
((DIRECTION) == DMA_MEMORY_TO_MEMORY))
/**
* @}
*/
/** @defgroup DMA_Data_buffer_size
* @{
*/
#define IS_DMA_BUFFER_SIZE(SIZE) (((SIZE) >= 0x1) && ((SIZE) < 0x10000))
/**
* @}
*/
/** @defgroup 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 */
#define IS_DMA_PERIPHERAL_INC_STATE(STATE) (((STATE) == DMA_PINC_ENABLE) || \
((STATE) == DMA_PINC_DISABLE))
/**
* @}
*/
/** @defgroup 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 */
#define IS_DMA_MEMORY_INC_STATE(STATE) (((STATE) == DMA_MINC_ENABLE) || \
((STATE) == DMA_MINC_DISABLE))
/**
* @}
*/
/** @defgroup 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 */
#define IS_DMA_PERIPHERAL_DATA_SIZE(SIZE) (((SIZE) == DMA_PDATAALIGN_BYTE) || \
((SIZE) == DMA_PDATAALIGN_HALFWORD) || \
((SIZE) == DMA_PDATAALIGN_WORD))
/**
* @}
*/
/** @defgroup 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 */
#define IS_DMA_MEMORY_DATA_SIZE(SIZE) (((SIZE) == DMA_MDATAALIGN_BYTE) || \
((SIZE) == DMA_MDATAALIGN_HALFWORD) || \
((SIZE) == DMA_MDATAALIGN_WORD ))
/**
* @}
*/
/** @defgroup DMA_mode
* @{
*/
#define DMA_NORMAL ((uint32_t)0x00000000) /*!< Normal Mode */
#define DMA_CIRCULAR ((uint32_t)DMA_CCR_CIRC) /*!< Circular Mode */
#define IS_DMA_MODE(MODE) (((MODE) == DMA_NORMAL ) || \
((MODE) == DMA_CIRCULAR))
/**
* @}
*/
/** @defgroup 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 */
#define IS_DMA_PRIORITY(PRIORITY) (((PRIORITY) == DMA_PRIORITY_LOW ) || \
((PRIORITY) == DMA_PRIORITY_MEDIUM) || \
((PRIORITY) == DMA_PRIORITY_HIGH) || \
((PRIORITY) == DMA_PRIORITY_VERY_HIGH))
/**
* @}
*/
/** @defgroup 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
* @{
*/
#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__) ((__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 Returns 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)DMA1_Channel2))? DMA_FLAG_TC2 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_TC3 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_TC4 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_FLAG_TC5 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_FLAG_TC6 :\
DMA_FLAG_TC7)
/**
* @brief Returns 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)DMA1_Channel2))? DMA_FLAG_HT2 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_HT3 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_HT4 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_FLAG_HT5 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_FLAG_HT6 :\
DMA_FLAG_HT7)
/**
* @brief Returns 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)DMA1_Channel2))? DMA_FLAG_TE2 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_FLAG_TE3 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_FLAG_TE4 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_FLAG_TE5 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel6))? DMA_FLAG_TE6 :\
DMA_FLAG_TE7)
/**
* @brief Returns 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)DMA1_Channel2))? DMA_ISR_GIF2 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel3))? DMA_ISR_GIF3 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel4))? DMA_ISR_GIF4 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_Channel5))? DMA_ISR_GIF5 :\
((uint32_t)((__HANDLE__)->Instance) == ((uint32_t)DMA1_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_TCIFx: Transfer complete flag
* @arg DMA_FLAG_HTIFx: Half transfer complete flag
* @arg DMA_FLAG_TEIFx: Transfer error flag
* @arg DMA_ISR_GIFx: Global interrupt flag
* Where x can be 0_4, 1_5, 2_6 or 3_7 to select the DMA Channel flag.
* @retval The state of FLAG (SET or RESET).
*/
#define __HAL_DMA_GET_FLAG(__HANDLE__, __FLAG__) (DMA1->ISR & (__FLAG__))
/**
* @brief Clears 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_TCIFx: Transfer complete flag
* @arg DMA_FLAG_HTIFx: Half transfer complete flag
* @arg DMA_FLAG_TEIFx: Transfer error flag
* @arg DMA_ISR_GIFx: Global interrupt flag
* Where x can be 0_4, 1_5, 2_6 or 3_7 to select the DMA Channel flag.
* @retval None
*/
#define __HAL_DMA_CLEAR_FLAG(__HANDLE__, __FLAG__) (DMA1->IFCR = (__FLAG__))
/**
* @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__) ((__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__) ((__HANDLE__)->Instance->CCR &= ~(__INTERRUPT__))
/**
* @brief Checks whether the specified DMA Channel interrupt has occurred 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__)))
/**
* @}
*/
/* Exported functions --------------------------------------------------------*/
/** @defgroup DMA_Exported_Functions DMA Exported Functions
* @{
*/
/** @defgroup DMA_Exported_Functions_Group1 Initialization/de-initialization functions
* @{
*/
/* Initialization and de-initialization functions *****************************/
HAL_StatusTypeDef HAL_DMA_Init(DMA_HandleTypeDef *hdma);
HAL_StatusTypeDef HAL_DMA_DeInit (DMA_HandleTypeDef *hdma);
/**
* @}
*/
/** @defgroup DMA_Exported_Functions_Group2 I/O operation functions
* @{
*/
/* 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_PollForTransfer(DMA_HandleTypeDef *hdma, uint32_t CompleteLevel, uint32_t Timeout);
void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma);
/**
* @}
*/
/** @defgroup DMA_Exported_Functions_Group3 Peripheral State functions
* @{
*/
/* Peripheral State and Error functions ***************************************/
HAL_DMA_StateTypeDef HAL_DMA_GetState(DMA_HandleTypeDef *hdma);
uint32_t HAL_DMA_GetError(DMA_HandleTypeDef *hdma);
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32L0xx_HAL_DMA_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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