demos/stm32f429_disco/stm/stm32f4_spl/inc/stm32f4xx_hal_cortex.h

   1 /**\r
   2   ******************************************************************************\r
   3   * @file    stm32f4xx_hal_cortex.h\r
   4   * @author  MCD Application Team\r
   5   * @version V1.0.0\r
   6   * @date    18-February-2014\r
   7   * @brief   Header file of CORTEX HAL module.\r
   8   ******************************************************************************\r
   9   * @attention\r
  10   *\r
  11   * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>\r
  12   *\r
  13   * Redistribution and use in source and binary forms, with or without modification,\r
  14   * are permitted provided that the following conditions are met:\r
  15   *   1. Redistributions of source code must retain the above copyright notice,\r
  16   *      this list of conditions and the following disclaimer.\r
  17   *   2. Redistributions in binary form must reproduce the above copyright notice,\r
  18   *      this list of conditions and the following disclaimer in the documentation\r
  19   *      and/or other materials provided with the distribution.\r
  20   *   3. Neither the name of STMicroelectronics nor the names of its contributors\r
  21   *      may be used to endorse or promote products derived from this software\r
  22   *      without specific prior written permission.\r
  23   *\r
  24   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"\r
  25   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
  26   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\r
  27   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE\r
  28   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r
  29   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR\r
  30   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER\r
  31   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,\r
  32   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\r
  33   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
  34   *\r
  35   ******************************************************************************\r
  36   */ \r
  37 \r
  38 /* Define to prevent recursive inclusion -------------------------------------*/\r
  39 #ifndef __STM32F4xx_HAL_CORTEX_H\r
  40 #define __STM32F4xx_HAL_CORTEX_H\r
  41 \r
  42 #ifdef __cplusplus\r
  43  extern "C" {\r
  44 #endif\r
  45 \r
  46 /* Includes ------------------------------------------------------------------*/\r
  47 #include "stm32f4xx_hal_def.h"\r
  48 \r
  49 /** @addtogroup STM32F4xx_HAL_Driver\r
  50   * @{\r
  51   */\r
  52 \r
  53 /** @addtogroup CORTEX\r
  54   * @{\r
  55   */ \r
  56 /* Exported types ------------------------------------------------------------*/\r
  57 /* Exported constants --------------------------------------------------------*/\r
  58 \r
  59 /** @defgroup CORTEX_Exported_Constants\r
  60   * @{\r
  61   */\r
  62 \r
  63 \r
  64 /** @defgroup CORTEX_Preemption_Priority_Group \r
  65   * @{\r
  66   */\r
  67 \r
  68 #define NVIC_PRIORITYGROUP_0         ((uint32_t)0x00000007) /*!< 0 bits for pre-emption priority\r
  69                                                                  4 bits for subpriority */\r
  70 #define NVIC_PRIORITYGROUP_1         ((uint32_t)0x00000006) /*!< 1 bits for pre-emption priority\r
  71                                                                  3 bits for subpriority */\r
  72 #define NVIC_PRIORITYGROUP_2         ((uint32_t)0x00000005) /*!< 2 bits for pre-emption priority\r
  73                                                                  2 bits for subpriority */\r
  74 #define NVIC_PRIORITYGROUP_3         ((uint32_t)0x00000004) /*!< 3 bits for pre-emption priority\r
  75                                                                  1 bits for subpriority */\r
  76 #define NVIC_PRIORITYGROUP_4         ((uint32_t)0x00000003) /*!< 4 bits for pre-emption priority\r
  77                                                                  0 bits for subpriority */\r
  78 \r
  79 #define IS_NVIC_PRIORITY_GROUP(GROUP) (((GROUP) == NVIC_PRIORITYGROUP_0) || \\r
  80                                        ((GROUP) == NVIC_PRIORITYGROUP_1) || \\r
  81                                        ((GROUP) == NVIC_PRIORITYGROUP_2) || \\r
  82                                        ((GROUP) == NVIC_PRIORITYGROUP_3) || \\r
  83                                        ((GROUP) == NVIC_PRIORITYGROUP_4))\r
  84 \r
  85 #define IS_NVIC_PREEMPTION_PRIORITY(PRIORITY)  ((PRIORITY) < 0x10)\r
  86 \r
  87 #define IS_NVIC_SUB_PRIORITY(PRIORITY)  ((PRIORITY) < 0x10)\r
  88 \r
  89 /**\r
  90   * @}\r
  91   */\r
  92 \r
  93 /** @defgroup CORTEX_SysTick_clock_source \r
  94   * @{\r
  95   */\r
  96 #define SYSTICK_CLKSOURCE_HCLK_DIV8    ((uint32_t)0x00000000)\r
  97 #define SYSTICK_CLKSOURCE_HCLK         ((uint32_t)0x00000004)\r
  98 #define IS_SYSTICK_CLK_SOURCE(SOURCE) (((SOURCE) == SYSTICK_CLKSOURCE_HCLK) || \\r
  99                                        ((SOURCE) == SYSTICK_CLKSOURCE_HCLK_DIV8))\r
 100 /**\r
 101   * @}\r
 102   */\r
 103 \r
 104 /* Exported Macros -----------------------------------------------------------*/\r
 105 \r
 106 /** @brief Configures the SysTick clock source.\r
 107   * @param __CLKSRC__: specifies the SysTick clock source.\r
 108   *   This parameter can be one of the following values:\r
 109   *     @arg SYSTICK_CLKSOURCE_HCLK_DIV8: AHB clock divided by 8 selected as SysTick clock source.\r
 110   *     @arg SYSTICK_CLKSOURCE_HCLK: AHB clock selected as SysTick clock source.\r
 111   * @retval None\r
 112   */\r
 113 #define __HAL_CORTEX_SYSTICKCLK_CONFIG(__CLKSRC__)                             \\r
 114                             do {                                               \\r
 115                                  if ((__CLKSRC__) == SYSTICK_CLKSOURCE_HCLK)   \\r
 116                                   {                                            \\r
 117                                     SysTick->CTRL |= SYSTICK_CLKSOURCE_HCLK;   \\r
 118                                   }                                            \\r
 119                                  else                                          \\r
 120                                     SysTick->CTRL &= ~SYSTICK_CLKSOURCE_HCLK;  \\r
 121                                 } while(0)\r
 122 \r
 123 /**\r
 124   * @}\r
 125   */\r
 126 \r
 127 /* Exported macro ------------------------------------------------------------*/\r
 128 /* Exported functions --------------------------------------------------------*/\r
 129 /* Initialization and de-initialization functions *******************************/\r
 130 void HAL_NVIC_SetPriorityGrouping(uint32_t PriorityGroup);\r
 131 void HAL_NVIC_SetPriority(IRQn_Type IRQn, uint32_t PreemptPriority, uint32_t SubPriority);\r
 132 void HAL_NVIC_EnableIRQ(IRQn_Type IRQn);\r
 133 void HAL_NVIC_DisableIRQ(IRQn_Type IRQn);\r
 134 void HAL_NVIC_SystemReset(void);\r
 135 uint32_t HAL_SYSTICK_Config(uint32_t TicksNumb);\r
 136 \r
 137 /* Peripheral Control functions *************************************************/\r
 138 uint32_t HAL_NVIC_GetPriorityGrouping(void);\r
 139 void HAL_NVIC_GetPriority(IRQn_Type IRQn, uint32_t PriorityGroup, uint32_t* pPreemptPriority, uint32_t* pSubPriority);\r
 140 uint32_t HAL_NVIC_GetPendingIRQ(IRQn_Type IRQn);\r
 141 void HAL_NVIC_SetPendingIRQ(IRQn_Type IRQn);\r
 142 void HAL_NVIC_ClearPendingIRQ(IRQn_Type IRQn);\r
 143 uint32_t HAL_NVIC_GetActive(IRQn_Type IRQn);\r
 144 void HAL_SYSTICK_CLKSourceConfig(uint32_t CLKSource);\r
 145 void HAL_SYSTICK_IRQHandler(void);\r
 146 void HAL_SYSTICK_Callback(void);\r
 147 \r
 148 /**\r
 149   * @}\r
 150   */ \r
 151 \r
 152 /**\r
 153   * @}\r
 154   */\r
 155   \r
 156 #ifdef __cplusplus\r
 157 }\r
 158 #endif\r
 159 \r
 160 #endif /* __STM32F4xx_HAL_CORTEX_H */\r
 161  \r
 162 \r
 163 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/\r