1 /** 2 ****************************************************************************** 3 * @file stm32g4xx.h 4 * @author MCD Application Team 5 * @brief CMSIS STM32G4xx Device Peripheral Access Layer Header File. 6 * 7 * The file is the unique include file that the application programmer 8 * is using in the C source code, usually in main.c. This file contains: 9 * - Configuration section that allows to select: 10 * - The STM32G4xx device used in the target application 11 * - To use or not the peripheral�s drivers in application code(i.e. 12 * code will be based on direct access to peripheral�s registers 13 * rather than drivers API), this option is controlled by 14 * "#define USE_HAL_DRIVER" 15 * 16 ****************************************************************************** 17 * @attention 18 * 19 * Copyright (c) 2019 STMicroelectronics. 20 * All rights reserved. 21 * 22 * This software is licensed under terms that can be found in the LICENSE file 23 * in the root directory of this software component. 24 * If no LICENSE file comes with this software, it is provided AS-IS. 25 * 26 ****************************************************************************** 27 */ 28 29 /** @addtogroup CMSIS 30 * @{ 31 */ 32 33 /** @addtogroup stm32g4xx 34 * @{ 35 */ 36 37 #ifndef __STM32G4xx_H 38 #define __STM32G4xx_H 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif /* __cplusplus */ 43 44 /** @addtogroup Library_configuration_section 45 * @{ 46 */ 47 48 /** 49 * @brief STM32 Family 50 */ 51 #if !defined (STM32G4) 52 #define STM32G4 53 #endif /* STM32G4 */ 54 55 /* Uncomment the line below according to the target STM32G4 device used in your 56 application 57 */ 58 59 #if !defined (STM32G431xx) && !defined (STM32G441xx) && !defined (STM32G471xx) && \ 60 !defined (STM32G473xx) && !defined (STM32G474xx) && !defined (STM32G484xx) && \ 61 !defined (STM32GBK1CB) && !defined (STM32G491xx) && !defined (STM32G4A1xx) 62 /* #define STM32G431xx */ /*!< STM32G431xx Devices */ 63 /* #define STM32G441xx */ /*!< STM32G441xx Devices */ 64 /* #define STM32G471xx */ /*!< STM32G471xx Devices */ 65 /* #define STM32G473xx */ /*!< STM32G473xx Devices */ 66 /* #define STM32G483xx */ /*!< STM32G483xx Devices */ 67 /* #define STM32G474xx */ /*!< STM32G474xx Devices */ 68 /* #define STM32G484xx */ /*!< STM32G484xx Devices */ 69 /* #define STM32G491xx */ /*!< STM32G491xx Devices */ 70 /* #define STM32G4A1xx */ /*!< STM32G4A1xx Devices */ 71 /* #define STM32GBK1CB */ /*!< STM32GBK1CB Devices */ 72 #endif 73 74 /* Tip: To avoid modifying this file each time you need to switch between these 75 devices, you can define the device in your toolchain compiler preprocessor. 76 */ 77 #if !defined (USE_HAL_DRIVER) 78 /** 79 * @brief Comment the line below if you will not use the peripherals drivers. 80 In this case, these drivers will not be included and the application code will 81 be based on direct access to peripherals registers 82 */ 83 /*#define USE_HAL_DRIVER */ 84 #endif /* USE_HAL_DRIVER */ 85 86 /** 87 * @brief CMSIS Device version number V1.2.2 88 */ 89 #define __STM32G4_CMSIS_VERSION_MAIN (0x01U) /*!< [31:24] main version */ 90 #define __STM32G4_CMSIS_VERSION_SUB1 (0x02U) /*!< [23:16] sub1 version */ 91 #define __STM32G4_CMSIS_VERSION_SUB2 (0x02U) /*!< [15:8] sub2 version */ 92 #define __STM32G4_CMSIS_VERSION_RC (0x00U) /*!< [7:0] release candidate */ 93 #define __STM32G4_CMSIS_VERSION ((__STM32G4_CMSIS_VERSION_MAIN << 24)\ 94 |(__STM32G4_CMSIS_VERSION_SUB1 << 16)\ 95 |(__STM32G4_CMSIS_VERSION_SUB2 << 8 )\ 96 |(__STM32G4_CMSIS_VERSION_RC)) 97 98 /** 99 * @} 100 */ 101 102 /** @addtogroup Device_Included 103 * @{ 104 */ 105 106 #if defined(STM32G431xx) 107 #include "stm32g431xx.h" 108 #elif defined(STM32G441xx) 109 #include "stm32g441xx.h" 110 #elif defined(STM32G471xx) 111 #include "stm32g471xx.h" 112 #elif defined(STM32G473xx) 113 #include "stm32g473xx.h" 114 #elif defined(STM32G483xx) 115 #include "stm32g483xx.h" 116 #elif defined(STM32G474xx) 117 #include "stm32g474xx.h" 118 #elif defined(STM32G484xx) 119 #include "stm32g484xx.h" 120 #elif defined(STM32G491xx) 121 #include "stm32g491xx.h" 122 #elif defined(STM32G4A1xx) 123 #include "stm32g4a1xx.h" 124 #elif defined(STM32GBK1CB) 125 #include "stm32gbk1cb.h" 126 #else 127 #error "Please select first the target STM32G4xx device used in your application (in stm32g4xx.h file)" 128 #endif 129 130 /** 131 * @} 132 */ 133 134 /** @addtogroup Exported_types 135 * @{ 136 */ 137 typedef enum 138 { 139 RESET = 0, 140 SET = !RESET 141 } FlagStatus, ITStatus; 142 143 typedef enum 144 { 145 DISABLE = 0, 146 ENABLE = !DISABLE 147 } FunctionalState; 148 #define IS_FUNCTIONAL_STATE(STATE) (((STATE) == DISABLE) || ((STATE) == ENABLE)) 149 150 typedef enum 151 { 152 SUCCESS = 0, 153 ERROR = !SUCCESS 154 } ErrorStatus; 155 156 /** 157 * @} 158 */ 159 160 161 /** @addtogroup Exported_macros 162 * @{ 163 */ 164 #define SET_BIT(REG, BIT) ((REG) |= (BIT)) 165 166 #define CLEAR_BIT(REG, BIT) ((REG) &= ~(BIT)) 167 168 #define READ_BIT(REG, BIT) ((REG) & (BIT)) 169 170 #define CLEAR_REG(REG) ((REG) = (0x0)) 171 172 #define WRITE_REG(REG, VAL) ((REG) = (VAL)) 173 174 #define READ_REG(REG) ((REG)) 175 176 #define MODIFY_REG(REG, CLEARMASK, SETMASK) WRITE_REG((REG), (((READ_REG(REG)) & (~(CLEARMASK))) | (SETMASK))) 177 178 #define POSITION_VAL(VAL) (__CLZ(__RBIT(VAL))) 179 180 /* Use of CMSIS compiler intrinsics for register exclusive access */ 181 /* Atomic 32-bit register access macro to set one or several bits */ 182 #define ATOMIC_SET_BIT(REG, BIT) \ 183 do { \ 184 uint32_t val; \ 185 do { \ 186 val = __LDREXW((__IO uint32_t *)&(REG)) | (BIT); \ 187 } while ((__STREXW(val,(__IO uint32_t *)&(REG))) != 0U); \ 188 } while(0) 189 190 /* Atomic 32-bit register access macro to clear one or several bits */ 191 #define ATOMIC_CLEAR_BIT(REG, BIT) \ 192 do { \ 193 uint32_t val; \ 194 do { \ 195 val = __LDREXW((__IO uint32_t *)&(REG)) & ~(BIT); \ 196 } while ((__STREXW(val,(__IO uint32_t *)&(REG))) != 0U); \ 197 } while(0) 198 199 /* Atomic 32-bit register access macro to clear and set one or several bits */ 200 #define ATOMIC_MODIFY_REG(REG, CLEARMSK, SETMASK) \ 201 do { \ 202 uint32_t val; \ 203 do { \ 204 val = (__LDREXW((__IO uint32_t *)&(REG)) & ~(CLEARMSK)) | (SETMASK); \ 205 } while ((__STREXW(val,(__IO uint32_t *)&(REG))) != 0U); \ 206 } while(0) 207 208 /* Atomic 16-bit register access macro to set one or several bits */ 209 #define ATOMIC_SETH_BIT(REG, BIT) \ 210 do { \ 211 uint16_t val; \ 212 do { \ 213 val = __LDREXH((__IO uint16_t *)&(REG)) | (BIT); \ 214 } while ((__STREXH(val,(__IO uint16_t *)&(REG))) != 0U); \ 215 } while(0) 216 217 /* Atomic 16-bit register access macro to clear one or several bits */ 218 #define ATOMIC_CLEARH_BIT(REG, BIT) \ 219 do { \ 220 uint16_t val; \ 221 do { \ 222 val = __LDREXH((__IO uint16_t *)&(REG)) & ~(BIT); \ 223 } while ((__STREXH(val,(__IO uint16_t *)&(REG))) != 0U); \ 224 } while(0) 225 226 /* Atomic 16-bit register access macro to clear and set one or several bits */ 227 #define ATOMIC_MODIFYH_REG(REG, CLEARMSK, SETMASK) \ 228 do { \ 229 uint16_t val; \ 230 do { \ 231 val = (__LDREXH((__IO uint16_t *)&(REG)) & ~(CLEARMSK)) | (SETMASK); \ 232 } while ((__STREXH(val,(__IO uint16_t *)&(REG))) != 0U); \ 233 } while(0) 234 235 236 /** 237 * @} 238 */ 239 240 #if defined (USE_HAL_DRIVER) 241 #include "stm32g4xx_hal.h" 242 #endif /* USE_HAL_DRIVER */ 243 244 #ifdef __cplusplus 245 } 246 #endif /* __cplusplus */ 247 248 #endif /* __STM32G4xx_H */ 249 /** 250 * @} 251 */ 252 253 /** 254 * @} 255 */ 256 257 258 259 260
