stm32l4xx_hal_def.h

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/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32L4xx_HAL_DEF_H
#define STM32L4xx_HAL_DEF_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32l4xx.h"
#include "Legacy/stm32_hal_legacy.h"  /* Aliases file for old names compatibility */
#include <stddef.h>

/* Exported types ------------------------------------------------------------*/

typedef enum
{
  HAL_OK       = 0x00,
  HAL_ERROR    = 0x01,
  HAL_BUSY     = 0x02,
  HAL_TIMEOUT  = 0x03
} HAL_StatusTypeDef;

typedef enum
{
  HAL_UNLOCKED = 0x00,
  HAL_LOCKED   = 0x01
} HAL_LockTypeDef;

/* Exported macros -----------------------------------------------------------*/

#define UNUSED(X) (void)X      /* To avoid gcc/g++ warnings */

#define HAL_MAX_DELAY      0xFFFFFFFFU

#define HAL_IS_BIT_SET(REG, BIT)         (((REG) & (BIT)) == (BIT))
#define HAL_IS_BIT_CLR(REG, BIT)         (((REG) & (BIT)) == 0U)

#define __HAL_LINKDMA(__HANDLE__, __PPP_DMA_FIELD__, __DMA_HANDLE__)             \
                        do{                                                      \
                            (__HANDLE__)->__PPP_DMA_FIELD__ = &(__DMA_HANDLE__); \
                            (__DMA_HANDLE__).Parent = (__HANDLE__);              \
                        } while(0)

#define __HAL_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = 0)

#if (USE_RTOS == 1)
  /* Reserved for future use */
  #error " USE_RTOS should be 0 in the current HAL release "
#else
  #define __HAL_LOCK(__HANDLE__)                                           \
                                do{                                        \
                                    if((__HANDLE__)->Lock == HAL_LOCKED)   \
                                    {                                      \
                                       return HAL_BUSY;                    \
                                    }                                      \
                                    else                                   \
                                    {                                      \
                                       (__HANDLE__)->Lock = HAL_LOCKED;    \
                                    }                                      \
                                  }while (0)

  #define __HAL_UNLOCK(__HANDLE__)                                          \
                                  do{                                       \
                                      (__HANDLE__)->Lock = HAL_UNLOCKED;    \
                                    }while (0)
#endif /* USE_RTOS */

#if defined ( __GNUC__ ) && !defined (__CC_ARM) /* GNU Compiler */
  #ifndef __weak
    #define __weak   __attribute__((weak))
  #endif /* __weak */
  #ifndef __packed
    #define __packed __attribute__((__packed__))
  #endif /* __packed */
#endif /* __GNUC__ */


/* Macro to get variable aligned on 4-bytes, for __ICCARM__ the directive "#pragma data_alignment=4" must be used instead */
#if defined ( __GNUC__ ) && !defined (__CC_ARM) /* GNU Compiler */
  #ifndef __ALIGN_END
    #define __ALIGN_END    __attribute__ ((aligned (4)))
  #endif /* __ALIGN_END */
  #ifndef __ALIGN_BEGIN
    #define __ALIGN_BEGIN
  #endif /* __ALIGN_BEGIN */
#else
  #ifndef __ALIGN_END
    #define __ALIGN_END
  #endif /* __ALIGN_END */
  #ifndef __ALIGN_BEGIN
    #if defined   (__CC_ARM)      /* ARM Compiler */
      #define __ALIGN_BEGIN    __align(4)
    #elif defined (__ICCARM__)    /* IAR Compiler */
      #define __ALIGN_BEGIN
    #endif /* __CC_ARM */
  #endif /* __ALIGN_BEGIN */
#endif /* __GNUC__ */

#if defined ( __CC_ARM   )
/* ARM Compiler
   ------------
   RAM functions are defined using the toolchain options.
   Functions that are executed in RAM should reside in a separate source module.
   Using the 'Options for File' dialog you can simply change the 'Code / Const'
   area of a module to a memory space in physical RAM.
   Available memory areas are declared in the 'Target' tab of the 'Options for Target'
   dialog.
*/
#define __RAM_FUNC HAL_StatusTypeDef

#elif defined ( __ICCARM__ )
/* ICCARM Compiler
   ---------------
   RAM functions are defined using a specific toolchain keyword "__ramfunc".
*/
#define __RAM_FUNC __ramfunc HAL_StatusTypeDef

#elif defined   (  __GNUC__  )
/* GNU Compiler
   ------------
  RAM functions are defined using a specific toolchain attribute
   "__attribute__((section(".RamFunc")))".
*/
#define __RAM_FUNC HAL_StatusTypeDef  __attribute__((section(".RamFunc")))

#endif

#if defined ( __CC_ARM   ) || defined   (  __GNUC__  )
/* ARM & GNUCompiler
   ----------------
*/
#define __NOINLINE __attribute__ ( (noinline) )

#elif defined ( __ICCARM__ )
/* ICCARM Compiler
   ---------------
*/
#define __NOINLINE _Pragma("optimize = no_inline")

#endif


#ifdef __cplusplus
}
#endif

#endif /* STM32L4xx_HAL_DEF_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/