deividAlfa 72ceafac25
Declare DMA handler State as volátile
Not doing so causes issues when optimizations are enabled, the flag can change at any time by the DMA interrupt, but the compiler is unaware.
2021-09-18 21:54:15 +02:00

458 lines
17 KiB
C

/**
******************************************************************************
* @file stm32f1xx_hal_dma.h
* @author MCD Application Team
* @brief Header file of DMA HAL module.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
* All rights reserved.</center></h2>
*
* 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
*
******************************************************************************
*/
/* 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 HAL DMA State structures definition
*/
typedef enum
{
HAL_DMA_STATE_RESET = 0x00U, /*!< DMA not yet initialized or disabled */
HAL_DMA_STATE_READY = 0x01U, /*!< DMA initialized and ready for use */
HAL_DMA_STATE_BUSY = 0x02U, /*!< DMA process is ongoing */
HAL_DMA_STATE_TIMEOUT = 0x03U /*!< DMA timeout state */
}HAL_DMA_StateTypeDef;
/**
* @brief HAL DMA Error Code structure definition
*/
typedef enum
{
HAL_DMA_FULL_TRANSFER = 0x00U, /*!< Full transfer */
HAL_DMA_HALF_TRANSFER = 0x01U /*!< Half Transfer */
}HAL_DMA_LevelCompleteTypeDef;
/**
* @brief HAL DMA Callback ID structure definition
*/
typedef enum
{
HAL_DMA_XFER_CPLT_CB_ID = 0x00U, /*!< Full transfer */
HAL_DMA_XFER_HALFCPLT_CB_ID = 0x01U, /*!< Half transfer */
HAL_DMA_XFER_ERROR_CB_ID = 0x02U, /*!< Error */
HAL_DMA_XFER_ABORT_CB_ID = 0x03U, /*!< Abort */
HAL_DMA_XFER_ALL_CB_ID = 0x04U /*!< 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 0x00000000U /*!< No error */
#define HAL_DMA_ERROR_TE 0x00000001U /*!< Transfer error */
#define HAL_DMA_ERROR_NO_XFER 0x00000004U /*!< no ongoing transfer */
#define HAL_DMA_ERROR_TIMEOUT 0x00000020U /*!< Timeout error */
#define HAL_DMA_ERROR_NOT_SUPPORTED 0x00000100U /*!< Not supported mode */
/**
* @}
*/
/** @defgroup DMA_Data_transfer_direction DMA Data transfer direction
* @{
*/
#define DMA_PERIPH_TO_MEMORY 0x00000000U /*!< 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 0x00000000U /*!< 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 0x00000000U /*!< Memory increment mode Disable */
/**
* @}
*/
/** @defgroup DMA_Peripheral_data_size DMA Peripheral data size
* @{
*/
#define DMA_PDATAALIGN_BYTE 0x00000000U /*!< 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 0x00000000U /*!< 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 0x00000000U /*!< Normal mode */
#define DMA_CIRCULAR ((uint32_t)DMA_CCR_CIRC) /*!< Circular mode */
/**
* @}
*/
/** @defgroup DMA_Priority_level DMA Priority level
* @{
*/
#define DMA_PRIORITY_LOW 0x00000000U /*!< 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 0x00000001U
#define DMA_FLAG_TC1 0x00000002U
#define DMA_FLAG_HT1 0x00000004U
#define DMA_FLAG_TE1 0x00000008U
#define DMA_FLAG_GL2 0x00000010U
#define DMA_FLAG_TC2 0x00000020U
#define DMA_FLAG_HT2 0x00000040U
#define DMA_FLAG_TE2 0x00000080U
#define DMA_FLAG_GL3 0x00000100U
#define DMA_FLAG_TC3 0x00000200U
#define DMA_FLAG_HT3 0x00000400U
#define DMA_FLAG_TE3 0x00000800U
#define DMA_FLAG_GL4 0x00001000U
#define DMA_FLAG_TC4 0x00002000U
#define DMA_FLAG_HT4 0x00004000U
#define DMA_FLAG_TE4 0x00008000U
#define DMA_FLAG_GL5 0x00010000U
#define DMA_FLAG_TC5 0x00020000U
#define DMA_FLAG_HT5 0x00040000U
#define DMA_FLAG_TE5 0x00080000U
#define DMA_FLAG_GL6 0x00100000U
#define DMA_FLAG_TC6 0x00200000U
#define DMA_FLAG_HT6 0x00400000U
#define DMA_FLAG_TE6 0x00800000U
#define DMA_FLAG_GL7 0x01000000U
#define DMA_FLAG_TC7 0x02000000U
#define DMA_FLAG_HT7 0x04000000U
#define DMA_FLAG_TE7 0x08000000U
/**
* @}
*/
/**
* @}
*/
/* 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__) (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 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__) (CLEAR_BIT((__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__)) == (__INTERRUPT__)) ? SET : RESET)
/**
* @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)
/**
* @}
*/
/* Include DMA HAL Extension module */
#include "stm32f1xx_hal_dma_ex.h"
/* 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) >= 0x1U) && ((SIZE) < 0x10000U))
#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 ---------------------------------------------------------*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32F1xx_HAL_DMA_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/