1 /** 2 ****************************************************************************** 3 * @file stm32l4xx_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 * Copyright (c) 2017 STMicroelectronics. 11 * All rights reserved. 12 * 13 * This software is licensed under terms that can be found in the LICENSE file 14 * in the root directory of this software component. 15 * If no LICENSE file comes with this software, it is provided AS-IS. 16 * 17 ****************************************************************************** 18 */ 19 20 /* Define to prevent recursive inclusion -------------------------------------*/ 21 #ifndef STM32L4xx_HAL_DEF_H 22 #define STM32L4xx_HAL_DEF_H 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 /* Includes ------------------------------------------------------------------*/ 29 #include "stm32l4xx.h" 30 #include "Legacy/stm32_hal_legacy.h" /* Aliases file for old names compatibility */ 31 #include <stddef.h> 32 33 /* Exported types ------------------------------------------------------------*/ 34 35 /** 36 * @brief HAL Status structures definition 37 */ 38 typedef enum 39 { 40 HAL_OK = 0x00, 41 HAL_ERROR = 0x01, 42 HAL_BUSY = 0x02, 43 HAL_TIMEOUT = 0x03 44 } HAL_StatusTypeDef; 45 46 /** 47 * @brief HAL Lock structures definition 48 */ 49 typedef enum 50 { 51 HAL_UNLOCKED = 0x00, 52 HAL_LOCKED = 0x01 53 } HAL_LockTypeDef; 54 55 /* Exported macros -----------------------------------------------------------*/ 56 57 #ifndef UNUSED 58 #define UNUSED(X) (void)X /* To avoid gcc/g++ warnings */ 59 #endif 60 61 #define HAL_MAX_DELAY 0xFFFFFFFFU 62 63 #define HAL_IS_BIT_SET(REG, BIT) (((REG) & (BIT)) == (BIT)) 64 #define HAL_IS_BIT_CLR(REG, BIT) (((REG) & (BIT)) == 0U) 65 66 #define __HAL_LINKDMA(__HANDLE__, __PPP_DMA_FIELD__, __DMA_HANDLE__) \ 67 do{ \ 68 (__HANDLE__)->__PPP_DMA_FIELD__ = &(__DMA_HANDLE__); \ 69 (__DMA_HANDLE__).Parent = (__HANDLE__); \ 70 } while(0) 71 72 /** @brief Reset the Handle's State field. 73 * @param __HANDLE__: specifies the Peripheral Handle. 74 * @note This macro can be used for the following purpose: 75 * - When the Handle is declared as local variable; before passing it as parameter 76 * to HAL_PPP_Init() for the first time, it is mandatory to use this macro 77 * to set to 0 the Handle's "State" field. 78 * Otherwise, "State" field may have any random value and the first time the function 79 * HAL_PPP_Init() is called, the low level hardware initialization will be missed 80 * (i.e. HAL_PPP_MspInit() will not be executed). 81 * - When there is a need to reconfigure the low level hardware: instead of calling 82 * HAL_PPP_DeInit() then HAL_PPP_Init(), user can make a call to this macro then HAL_PPP_Init(). 83 * In this later function, when the Handle's "State" field is set to 0, it will execute the function 84 * HAL_PPP_MspInit() which will reconfigure the low level hardware. 85 * @retval None 86 */ 87 #define __HAL_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = 0) 88 89 #if (USE_RTOS == 1) 90 /* Reserved for future use */ 91 #error " USE_RTOS should be 0 in the current HAL release " 92 #else 93 #define __HAL_LOCK(__HANDLE__) \ 94 do{ \ 95 if((__HANDLE__)->Lock == HAL_LOCKED) \ 96 { \ 97 return HAL_BUSY; \ 98 } \ 99 else \ 100 { \ 101 (__HANDLE__)->Lock = HAL_LOCKED; \ 102 } \ 103 }while (0) 104 105 #define __HAL_UNLOCK(__HANDLE__) \ 106 do{ \ 107 (__HANDLE__)->Lock = HAL_UNLOCKED; \ 108 }while (0) 109 #endif /* USE_RTOS */ 110 111 112 #if defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) /* ARM Compiler V6 */ 113 #ifndef __weak 114 #define __weak __attribute__((weak)) 115 #endif 116 #ifndef __packed 117 #define __packed __attribute__((packed)) 118 #endif 119 #elif defined ( __GNUC__ ) && !defined (__CC_ARM) /* GNU Compiler */ 120 #ifndef __weak 121 #define __weak __attribute__((weak)) 122 #endif /* __weak */ 123 #ifndef __packed 124 #define __packed __attribute__((__packed__)) 125 #endif /* __packed */ 126 #endif /* __GNUC__ */ 127 128 129 /* Macro to get variable aligned on 4-bytes, for __ICCARM__ the directive "#pragma data_alignment=4" must be used instead */ 130 #if defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) /* ARM Compiler V6 */ 131 #ifndef __ALIGN_BEGIN 132 #define __ALIGN_BEGIN 133 #endif 134 #ifndef __ALIGN_END 135 #define __ALIGN_END __attribute__ ((aligned (4))) 136 #endif 137 #elif defined ( __GNUC__ ) && !defined (__CC_ARM) /* GNU Compiler */ 138 #ifndef __ALIGN_END 139 #define __ALIGN_END __attribute__ ((aligned (4))) 140 #endif /* __ALIGN_END */ 141 #ifndef __ALIGN_BEGIN 142 #define __ALIGN_BEGIN 143 #endif /* __ALIGN_BEGIN */ 144 #else 145 #ifndef __ALIGN_END 146 #define __ALIGN_END 147 #endif /* __ALIGN_END */ 148 #ifndef __ALIGN_BEGIN 149 #if defined (__CC_ARM) /* ARM Compiler V5 */ 150 #define __ALIGN_BEGIN __align(4) 151 #elif defined (__ICCARM__) /* IAR Compiler */ 152 #define __ALIGN_BEGIN 153 #endif /* __CC_ARM */ 154 #endif /* __ALIGN_BEGIN */ 155 #endif /* __GNUC__ */ 156 157 /** 158 * @brief __RAM_FUNC definition 159 */ 160 #if defined ( __CC_ARM ) || (defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)) 161 /* ARM Compiler V4/V5 and V6 162 -------------------------- 163 RAM functions are defined using the toolchain options. 164 Functions that are executed in RAM should reside in a separate source module. 165 Using the 'Options for File' dialog you can simply change the 'Code / Const' 166 area of a module to a memory space in physical RAM. 167 Available memory areas are declared in the 'Target' tab of the 'Options for Target' 168 dialog. 169 */ 170 #define __RAM_FUNC 171 172 #elif defined ( __ICCARM__ ) 173 /* ICCARM Compiler 174 --------------- 175 RAM functions are defined using a specific toolchain keyword "__ramfunc". 176 */ 177 #define __RAM_FUNC __ramfunc 178 179 #elif defined ( __GNUC__ ) 180 /* GNU Compiler 181 ------------ 182 RAM functions are defined using a specific toolchain attribute 183 "__attribute__((section(".RamFunc")))". 184 */ 185 #define __RAM_FUNC __attribute__((section(".RamFunc"))) 186 187 #endif 188 189 /** 190 * @brief __NOINLINE definition 191 */ 192 #if defined ( __CC_ARM ) || (defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)) || defined ( __GNUC__ ) 193 /* ARM V4/V5 and V6 & GNU Compiler 194 ------------------------------- 195 */ 196 #define __NOINLINE __attribute__ ( (noinline) ) 197 198 #elif defined ( __ICCARM__ ) 199 /* ICCARM Compiler 200 --------------- 201 */ 202 #define __NOINLINE _Pragma("optimize = no_inline") 203 204 #endif 205 206 207 #ifdef __cplusplus 208 } 209 #endif 210 211 #endif /* STM32L4xx_HAL_DEF_H */ 212
