tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_cortex.h

   1 /**
   2   ******************************************************************************
   3   * @file    stm32l0xx_hal_cortex.h
   4   * @author  MCD Application Team
   5   * @version V1.2.0
   6   * @date    06-February-2015
   7   * @brief   Header file of CORTEX HAL module.
   8   ******************************************************************************
   9   * @attention
  10   *
  11   * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
  12   *
  13   * Redistribution and use in source and binary forms, with or without modification,
  14   * are permitted provided that the following conditions are met:
  15   *   1. Redistributions of source code must retain the above copyright notice,
  16   *      this list of conditions and the following disclaimer.
  17   *   2. Redistributions in binary form must reproduce the above copyright notice,
  18   *      this list of conditions and the following disclaimer in the documentation
  19   *      and/or other materials provided with the distribution.
  20   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  21   *      may be used to endorse or promote products derived from this software
  22   *      without specific prior written permission.
  23   *
  24   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  25   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  27   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  28   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  31   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  32   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  33   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34   *
  35   ******************************************************************************
  36   */
  37
  38 /* Define to prevent recursive inclusion -------------------------------------*/
  39 #ifndef __STM32L0xx_HAL_CORTEX_H
  40 #define __STM32L0xx_HAL_CORTEX_H
  41
  42 #ifdef __cplusplus
  43  extern "C" {
  44 #endif
  45
  46 /* Includes ------------------------------------------------------------------*/
  47 #include "stm32l0xx_hal_def.h"
  48
  49 /** @addtogroup STM32L0xx_HAL_Driver
  50   * @{
  51   */
  52
  53 /** @defgroup CORTEX CORTEX
  54   * @{
  55   */
  56 /* Exported types ------------------------------------------------------------*/
  57 /* Exported constants --------------------------------------------------------*/
  58
  59 /** @defgroup CORTEX_Exported_Constants CORTEX Exported constants
  60   * @{
  61   */
  62
  63
  64 #define IS_NVIC_PREEMPTION_PRIORITY(__PRIORITY__)  ((__PRIORITY__) < 0x4)
  65
  66 #define IS_NVIC_DEVICE_IRQ(IRQ)                ((IRQ) >= 0x00)
  67
  68 /** @defgroup CORTEX_SysTick_clock_source
  69   * @{
  70   */
  71 #define SYSTICK_CLKSOURCE_HCLK_DIV8    ((uint32_t)0x00000000)
  72 #define SYSTICK_CLKSOURCE_HCLK         ((uint32_t)0x00000004)
  73 #define IS_SYSTICK_CLK_SOURCE(__SOURCE__) (((__SOURCE__) == SYSTICK_CLKSOURCE_HCLK) || \
  74                                        ((__SOURCE__) == SYSTICK_CLKSOURCE_HCLK_DIV8))
  75 /**
  76   * @}
  77   */
  78
  79 /**
  80   * @}
  81   */
  82
  83 /* Exported Macros -----------------------------------------------------------*/
  84 /** @defgroup CORTEX_Exported_Macros CORTEX Exported Macros
  85   * @{
  86   */
  87 /** @brief Configures the SysTick clock source.
  88   * @param __CLKSRC__ : specifies the SysTick clock source.
  89   *   This parameter can be one of the following values:
  90   *     @arg SYSTICK_CLKSOURCE_HCLK_DIV8: AHB clock divided by 8 selected as SysTick clock source.
  91   *     @arg SYSTICK_CLKSOURCE_HCLK: AHB clock selected as SysTick clock source.
  92   * @retval None
  93   */
  94 #define __HAL_CORTEX_SYSTICKCLK_CONFIG(__CLKSRC__)                             \
  95                             do {                                               \
  96                                  if ((__CLKSRC__) == SYSTICK_CLKSOURCE_HCLK)   \
  97                                   {                                            \
  98                                     SysTick->CTRL |= SYSTICK_CLKSOURCE_HCLK;   \
  99                                   }                                            \
 100                                  else                                          \
 101                                     SysTick->CTRL &= ~SYSTICK_CLKSOURCE_HCLK;  \
 102                                 } while(0)
 103
 104 /**
 105   * @}
 106   */
 107
 108 /* Exported functions --------------------------------------------------------*/
 109 /** @defgroup CORTEX_Exported_Functions CORTEX Exported Functions
 110   * @{
 111   */
 112
 113 /** @defgroup CORTEX_Exported_Functions_Group1 Initialization and de-initialization functions
 114  *  @brief    Initialization and Configuration functions
 115  * @{
 116   */
 117 void HAL_NVIC_SetPriority(IRQn_Type IRQn, uint32_t PreemptPriority, uint32_t SubPriority);
 118 void HAL_NVIC_EnableIRQ(IRQn_Type IRQn);
 119 void HAL_NVIC_DisableIRQ(IRQn_Type IRQn);
 120 void HAL_NVIC_SystemReset(void);
 121 uint32_t HAL_SYSTICK_Config(uint32_t TicksNumb);
 122 /**
 123   * @}
 124   */
 125
 126 /** @defgroup CORTEX_Exported_Functions_Group2 Peripheral Control functions
 127  *  @brief   Cortex control functions
 128  * @{
 129  */
 130 uint32_t HAL_NVIC_GetPendingIRQ(IRQn_Type IRQn);
 131 void HAL_NVIC_SetPendingIRQ(IRQn_Type IRQn);
 132 void HAL_NVIC_ClearPendingIRQ(IRQn_Type IRQn);
 133 void HAL_SYSTICK_CLKSourceConfig(uint32_t CLKSource);
 134 void HAL_SYSTICK_IRQHandler(void);
 135 void HAL_SYSTICK_Callback(void);
 136
 137 /**
 138   * @}
 139   */
 140
 141   /**
 142   * @}
 143   */
 144
 145 /**
 146   * @}
 147   */
 148
 149 /**
 150   * @}
 151   */
 152
 153 #ifdef __cplusplus
 154 }
 155 #endif
 156
 157 #endif /* __STM32L0xx_HAL_CORTEX_H */
 158
 159
 160 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
 161