1 /** 2 ****************************************************************************** 3 * @file stm32f4xx_hal_def.h 4 * @author MCD Application Team 5 * @brief This file contains HAL common defines, enumeration, macros and 6 * structures definitions. 7 ****************************************************************************** 8 * @attention 9 * 10 * <h2><center>© Copyright (c) 2017 STMicroelectronics. 11 * All rights reserved.</center></h2> 12 * 13 * This software component is licensed by ST under BSD 3-Clause license, 14 * the "License"; You may not use this file except in compliance with the 15 * License. You may obtain a copy of the License at: 16 * opensource.org/licenses/BSD-3-Clause 17 * 18 ****************************************************************************** 19 */ 20 21 /* Define to prevent recursive inclusion -------------------------------------*/ 22 #ifndef __STM32F4xx_HAL_DEF 23 #define __STM32F4xx_HAL_DEF 24 25 #ifdef __cplusplus 26 extern "C" { 27 #endif 28 29 /* Includes ------------------------------------------------------------------*/ 30 #include "stm32f4xx.h" 31 #include "Legacy/stm32_hal_legacy.h" 32 #include <stddef.h> 33 34 /* Exported types ------------------------------------------------------------*/ 35 36 /** 37 * @brief HAL Status structures definition 38 */ 39 typedef enum 40 { 41 HAL_OK = 0x00U, 42 HAL_ERROR = 0x01U, 43 HAL_BUSY = 0x02U, 44 HAL_TIMEOUT = 0x03U 45 } HAL_StatusTypeDef; 46 47 /** 48 * @brief HAL Lock structures definition 49 */ 50 typedef enum 51 { 52 HAL_UNLOCKED = 0x00U, 53 HAL_LOCKED = 0x01U 54 } HAL_LockTypeDef; 55 56 /* Exported macro ------------------------------------------------------------*/ 57 58 #define UNUSED(X) (void)X /* To avoid gcc/g++ warnings */ 59 60 #define HAL_MAX_DELAY 0xFFFFFFFFU 61 62 #define HAL_IS_BIT_SET(REG, BIT) (((REG) & (BIT)) == (BIT)) 63 #define HAL_IS_BIT_CLR(REG, BIT) (((REG) & (BIT)) == 0U) 64 65 #define __HAL_LINKDMA(__HANDLE__, __PPP_DMA_FIELD__, __DMA_HANDLE__) \ 66 do{ \ 67 (__HANDLE__)->__PPP_DMA_FIELD__ = &(__DMA_HANDLE__); \ 68 (__DMA_HANDLE__).Parent = (__HANDLE__); \ 69 } while(0U) 70 71 /** @brief Reset the Handle's State field. 72 * @param __HANDLE__ specifies the Peripheral Handle. 73 * @note This macro can be used for the following purpose: 74 * - When the Handle is declared as local variable; before passing it as parameter 75 * to HAL_PPP_Init() for the first time, it is mandatory to use this macro 76 * to set to 0 the Handle's "State" field. 77 * Otherwise, "State" field may have any random value and the first time the function 78 * HAL_PPP_Init() is called, the low level hardware initialization will be missed 79 * (i.e. HAL_PPP_MspInit() will not be executed). 80 * - When there is a need to reconfigure the low level hardware: instead of calling 81 * HAL_PPP_DeInit() then HAL_PPP_Init(), user can make a call to this macro then HAL_PPP_Init(). 82 * In this later function, when the Handle's "State" field is set to 0, it will execute the function 83 * HAL_PPP_MspInit() which will reconfigure the low level hardware. 84 * @retval None 85 */ 86 #define __HAL_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = 0U) 87 88 #if (USE_RTOS == 1U) 89 /* Reserved for future use */ 90 #error "USE_RTOS should be 0 in the current HAL release" 91 #else 92 #define __HAL_LOCK(__HANDLE__) \ 93 do{ \ 94 if((__HANDLE__)->Lock == HAL_LOCKED) \ 95 { \ 96 return HAL_BUSY; \ 97 } \ 98 else \ 99 { \ 100 (__HANDLE__)->Lock = HAL_LOCKED; \ 101 } \ 102 }while (0U) 103 104 #define __HAL_UNLOCK(__HANDLE__) \ 105 do{ \ 106 (__HANDLE__)->Lock = HAL_UNLOCKED; \ 107 }while (0U) 108 #endif /* USE_RTOS */ 109 110 #if defined ( __GNUC__ ) && !defined (__CC_ARM) /* GNU Compiler */ 111 #ifndef __weak 112 #define __weak __attribute__((weak)) 113 #endif /* __weak */ 114 #ifndef __packed 115 #define __packed __attribute__((__packed__)) 116 #endif /* __packed */ 117 #endif /* __GNUC__ */ 118 119 120 /* Macro to get variable aligned on 4-bytes, for __ICCARM__ the directive "#pragma data_alignment=4" must be used instead */ 121 #if defined ( __GNUC__ ) && !defined (__CC_ARM) /* GNU Compiler */ 122 #ifndef __ALIGN_END 123 #define __ALIGN_END __attribute__ ((aligned (4))) 124 #endif /* __ALIGN_END */ 125 #ifndef __ALIGN_BEGIN 126 #define __ALIGN_BEGIN 127 #endif /* __ALIGN_BEGIN */ 128 #else 129 #ifndef __ALIGN_END 130 #define __ALIGN_END 131 #endif /* __ALIGN_END */ 132 #ifndef __ALIGN_BEGIN 133 #if defined (__CC_ARM) /* ARM Compiler */ 134 #define __ALIGN_BEGIN __align(4) 135 #elif defined (__ICCARM__) /* IAR Compiler */ 136 #define __ALIGN_BEGIN 137 #endif /* __CC_ARM */ 138 #endif /* __ALIGN_BEGIN */ 139 #endif /* __GNUC__ */ 140 141 142 /** 143 * @brief __RAM_FUNC definition 144 */ 145 #if defined ( __CC_ARM ) 146 /* ARM Compiler 147 ------------ 148 RAM functions are defined using the toolchain options. 149 Functions that are executed in RAM should reside in a separate source module. 150 Using the 'Options for File' dialog you can simply change the 'Code / Const' 151 area of a module to a memory space in physical RAM. 152 Available memory areas are declared in the 'Target' tab of the 'Options for Target' 153 dialog. 154 */ 155 #define __RAM_FUNC 156 157 #elif defined ( __ICCARM__ ) 158 /* ICCARM Compiler 159 --------------- 160 RAM functions are defined using a specific toolchain keyword "__ramfunc". 161 */ 162 #define __RAM_FUNC __ramfunc 163 164 #elif defined ( __GNUC__ ) 165 /* GNU Compiler 166 ------------ 167 RAM functions are defined using a specific toolchain attribute 168 "__attribute__((section(".RamFunc")))". 169 */ 170 #define __RAM_FUNC __attribute__((section(".RamFunc"))) 171 172 #endif 173 174 /** 175 * @brief __NOINLINE definition 176 */ 177 #if defined ( __CC_ARM ) || defined ( __GNUC__ ) 178 /* ARM & GNUCompiler 179 ---------------- 180 */ 181 #define __NOINLINE __attribute__ ( (noinline) ) 182 183 #elif defined ( __ICCARM__ ) 184 /* ICCARM Compiler 185 --------------- 186 */ 187 #define __NOINLINE _Pragma("optimize = no_inline") 188 189 #endif 190 191 #ifdef __cplusplus 192 } 193 #endif 194 195 #endif /* ___STM32F4xx_HAL_DEF */ 196 197 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ 198