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mbed 2

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Committer:
AnnaBridge
Date:
Thu Nov 08 11:45:42 2018 +0000
Revision:
171:3a7713b1edbc
Parent:
TARGET_DISCO_F303VC/TARGET_STM/TARGET_STM32F3/device/stm32f3xx_ll_cortex.h@168:b9e159c1930a
mbed library. Release version 164

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 163:e59c8e839560 1 /**
AnnaBridge 163:e59c8e839560 2 ******************************************************************************
AnnaBridge 163:e59c8e839560 3 * @file stm32f3xx_ll_cortex.h
AnnaBridge 163:e59c8e839560 4 * @author MCD Application Team
AnnaBridge 163:e59c8e839560 5 * @brief Header file of CORTEX LL module.
AnnaBridge 163:e59c8e839560 6 @verbatim
AnnaBridge 163:e59c8e839560 7 ==============================================================================
AnnaBridge 163:e59c8e839560 8 ##### How to use this driver #####
AnnaBridge 163:e59c8e839560 9 ==============================================================================
AnnaBridge 163:e59c8e839560 10 [..]
AnnaBridge 163:e59c8e839560 11 The LL CORTEX driver contains a set of generic APIs that can be
AnnaBridge 163:e59c8e839560 12 used by user:
AnnaBridge 163:e59c8e839560 13 (+) SYSTICK configuration used by @ref LL_mDelay and @ref LL_Init1msTick
AnnaBridge 163:e59c8e839560 14 functions
AnnaBridge 163:e59c8e839560 15 (+) Low power mode configuration (SCB register of Cortex-MCU)
AnnaBridge 163:e59c8e839560 16 (+) MPU API to configure and enable regions
AnnaBridge 163:e59c8e839560 17 (MPU services provided only on some devices)
AnnaBridge 163:e59c8e839560 18 (+) API to access to MCU info (CPUID register)
AnnaBridge 163:e59c8e839560 19 (+) API to enable fault handler (SHCSR accesses)
AnnaBridge 163:e59c8e839560 20
AnnaBridge 163:e59c8e839560 21 @endverbatim
AnnaBridge 163:e59c8e839560 22 ******************************************************************************
AnnaBridge 163:e59c8e839560 23 * @attention
AnnaBridge 163:e59c8e839560 24 *
AnnaBridge 163:e59c8e839560 25 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
AnnaBridge 163:e59c8e839560 26 *
AnnaBridge 163:e59c8e839560 27 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 163:e59c8e839560 28 * are permitted provided that the following conditions are met:
AnnaBridge 163:e59c8e839560 29 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 163:e59c8e839560 30 * this list of conditions and the following disclaimer.
AnnaBridge 163:e59c8e839560 31 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 163:e59c8e839560 32 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 163:e59c8e839560 33 * and/or other materials provided with the distribution.
AnnaBridge 163:e59c8e839560 34 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 163:e59c8e839560 35 * may be used to endorse or promote products derived from this software
AnnaBridge 163:e59c8e839560 36 * without specific prior written permission.
AnnaBridge 163:e59c8e839560 37 *
AnnaBridge 163:e59c8e839560 38 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 163:e59c8e839560 39 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 163:e59c8e839560 40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 163:e59c8e839560 41 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 163:e59c8e839560 42 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 163:e59c8e839560 43 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 163:e59c8e839560 44 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 163:e59c8e839560 45 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 163:e59c8e839560 46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 163:e59c8e839560 47 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 163:e59c8e839560 48 *
AnnaBridge 163:e59c8e839560 49 ******************************************************************************
AnnaBridge 163:e59c8e839560 50 */
AnnaBridge 163:e59c8e839560 51
AnnaBridge 163:e59c8e839560 52 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 163:e59c8e839560 53 #ifndef __STM32F3xx_LL_CORTEX_H
AnnaBridge 163:e59c8e839560 54 #define __STM32F3xx_LL_CORTEX_H
AnnaBridge 163:e59c8e839560 55
AnnaBridge 163:e59c8e839560 56 #ifdef __cplusplus
AnnaBridge 163:e59c8e839560 57 extern "C" {
AnnaBridge 163:e59c8e839560 58 #endif
AnnaBridge 163:e59c8e839560 59
AnnaBridge 163:e59c8e839560 60 /* Includes ------------------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 61 #include "stm32f3xx.h"
AnnaBridge 163:e59c8e839560 62
AnnaBridge 163:e59c8e839560 63 /** @addtogroup STM32F3xx_LL_Driver
AnnaBridge 163:e59c8e839560 64 * @{
AnnaBridge 163:e59c8e839560 65 */
AnnaBridge 163:e59c8e839560 66
AnnaBridge 163:e59c8e839560 67 /** @defgroup CORTEX_LL CORTEX
AnnaBridge 163:e59c8e839560 68 * @{
AnnaBridge 163:e59c8e839560 69 */
AnnaBridge 163:e59c8e839560 70
AnnaBridge 163:e59c8e839560 71 /* Private types -------------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 72 /* Private variables ---------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 73
AnnaBridge 163:e59c8e839560 74 /* Private constants ---------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 75
AnnaBridge 163:e59c8e839560 76 /* Private macros ------------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 77
AnnaBridge 163:e59c8e839560 78 /* Exported types ------------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 79 /* Exported constants --------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 80 /** @defgroup CORTEX_LL_Exported_Constants CORTEX Exported Constants
AnnaBridge 163:e59c8e839560 81 * @{
AnnaBridge 163:e59c8e839560 82 */
AnnaBridge 163:e59c8e839560 83
AnnaBridge 163:e59c8e839560 84 /** @defgroup CORTEX_LL_EC_CLKSOURCE_HCLK SYSTICK Clock Source
AnnaBridge 163:e59c8e839560 85 * @{
AnnaBridge 163:e59c8e839560 86 */
AnnaBridge 168:b9e159c1930a 87 #define LL_SYSTICK_CLKSOURCE_HCLK_DIV8 0x00000000U /*!< AHB clock divided by 8 selected as SysTick clock source.*/
AnnaBridge 168:b9e159c1930a 88 #define LL_SYSTICK_CLKSOURCE_HCLK SysTick_CTRL_CLKSOURCE_Msk /*!< AHB clock selected as SysTick clock source. */
AnnaBridge 163:e59c8e839560 89 /**
AnnaBridge 163:e59c8e839560 90 * @}
AnnaBridge 163:e59c8e839560 91 */
AnnaBridge 163:e59c8e839560 92
AnnaBridge 163:e59c8e839560 93 /** @defgroup CORTEX_LL_EC_FAULT Handler Fault type
AnnaBridge 163:e59c8e839560 94 * @{
AnnaBridge 163:e59c8e839560 95 */
AnnaBridge 163:e59c8e839560 96 #define LL_HANDLER_FAULT_USG SCB_SHCSR_USGFAULTENA_Msk /*!< Usage fault */
AnnaBridge 163:e59c8e839560 97 #define LL_HANDLER_FAULT_BUS SCB_SHCSR_BUSFAULTENA_Msk /*!< Bus fault */
AnnaBridge 163:e59c8e839560 98 #define LL_HANDLER_FAULT_MEM SCB_SHCSR_MEMFAULTENA_Msk /*!< Memory management fault */
AnnaBridge 163:e59c8e839560 99 /**
AnnaBridge 163:e59c8e839560 100 * @}
AnnaBridge 163:e59c8e839560 101 */
AnnaBridge 163:e59c8e839560 102
AnnaBridge 163:e59c8e839560 103 #if __MPU_PRESENT
AnnaBridge 163:e59c8e839560 104
AnnaBridge 163:e59c8e839560 105 /** @defgroup CORTEX_LL_EC_CTRL_HFNMI_PRIVDEF MPU Control
AnnaBridge 163:e59c8e839560 106 * @{
AnnaBridge 163:e59c8e839560 107 */
AnnaBridge 168:b9e159c1930a 108 #define LL_MPU_CTRL_HFNMI_PRIVDEF_NONE 0x00000000U /*!< Disable NMI and privileged SW access */
AnnaBridge 163:e59c8e839560 109 #define LL_MPU_CTRL_HARDFAULT_NMI MPU_CTRL_HFNMIENA_Msk /*!< Enables the operation of MPU during hard fault, NMI, and FAULTMASK handlers */
AnnaBridge 163:e59c8e839560 110 #define LL_MPU_CTRL_PRIVILEGED_DEFAULT MPU_CTRL_PRIVDEFENA_Msk /*!< Enable privileged software access to default memory map */
AnnaBridge 163:e59c8e839560 111 #define LL_MPU_CTRL_HFNMI_PRIVDEF (MPU_CTRL_HFNMIENA_Msk | MPU_CTRL_PRIVDEFENA_Msk) /*!< Enable NMI and privileged SW access */
AnnaBridge 163:e59c8e839560 112 /**
AnnaBridge 163:e59c8e839560 113 * @}
AnnaBridge 163:e59c8e839560 114 */
AnnaBridge 163:e59c8e839560 115
AnnaBridge 163:e59c8e839560 116 /** @defgroup CORTEX_LL_EC_REGION MPU Region Number
AnnaBridge 163:e59c8e839560 117 * @{
AnnaBridge 163:e59c8e839560 118 */
AnnaBridge 168:b9e159c1930a 119 #define LL_MPU_REGION_NUMBER0 0x00U /*!< REGION Number 0 */
AnnaBridge 168:b9e159c1930a 120 #define LL_MPU_REGION_NUMBER1 0x01U /*!< REGION Number 1 */
AnnaBridge 168:b9e159c1930a 121 #define LL_MPU_REGION_NUMBER2 0x02U /*!< REGION Number 2 */
AnnaBridge 168:b9e159c1930a 122 #define LL_MPU_REGION_NUMBER3 0x03U /*!< REGION Number 3 */
AnnaBridge 168:b9e159c1930a 123 #define LL_MPU_REGION_NUMBER4 0x04U /*!< REGION Number 4 */
AnnaBridge 168:b9e159c1930a 124 #define LL_MPU_REGION_NUMBER5 0x05U /*!< REGION Number 5 */
AnnaBridge 168:b9e159c1930a 125 #define LL_MPU_REGION_NUMBER6 0x06U /*!< REGION Number 6 */
AnnaBridge 168:b9e159c1930a 126 #define LL_MPU_REGION_NUMBER7 0x07U /*!< REGION Number 7 */
AnnaBridge 163:e59c8e839560 127 /**
AnnaBridge 163:e59c8e839560 128 * @}
AnnaBridge 163:e59c8e839560 129 */
AnnaBridge 163:e59c8e839560 130
AnnaBridge 163:e59c8e839560 131 /** @defgroup CORTEX_LL_EC_REGION_SIZE MPU Region Size
AnnaBridge 163:e59c8e839560 132 * @{
AnnaBridge 163:e59c8e839560 133 */
AnnaBridge 168:b9e159c1930a 134 #define LL_MPU_REGION_SIZE_32B (0x04U << MPU_RASR_SIZE_Pos) /*!< 32B Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 135 #define LL_MPU_REGION_SIZE_64B (0x05U << MPU_RASR_SIZE_Pos) /*!< 64B Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 136 #define LL_MPU_REGION_SIZE_128B (0x06U << MPU_RASR_SIZE_Pos) /*!< 128B Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 137 #define LL_MPU_REGION_SIZE_256B (0x07U << MPU_RASR_SIZE_Pos) /*!< 256B Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 138 #define LL_MPU_REGION_SIZE_512B (0x08U << MPU_RASR_SIZE_Pos) /*!< 512B Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 139 #define LL_MPU_REGION_SIZE_1KB (0x09U << MPU_RASR_SIZE_Pos) /*!< 1KB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 140 #define LL_MPU_REGION_SIZE_2KB (0x0AU << MPU_RASR_SIZE_Pos) /*!< 2KB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 141 #define LL_MPU_REGION_SIZE_4KB (0x0BU << MPU_RASR_SIZE_Pos) /*!< 4KB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 142 #define LL_MPU_REGION_SIZE_8KB (0x0CU << MPU_RASR_SIZE_Pos) /*!< 8KB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 143 #define LL_MPU_REGION_SIZE_16KB (0x0DU << MPU_RASR_SIZE_Pos) /*!< 16KB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 144 #define LL_MPU_REGION_SIZE_32KB (0x0EU << MPU_RASR_SIZE_Pos) /*!< 32KB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 145 #define LL_MPU_REGION_SIZE_64KB (0x0FU << MPU_RASR_SIZE_Pos) /*!< 64KB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 146 #define LL_MPU_REGION_SIZE_128KB (0x10U << MPU_RASR_SIZE_Pos) /*!< 128KB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 147 #define LL_MPU_REGION_SIZE_256KB (0x11U << MPU_RASR_SIZE_Pos) /*!< 256KB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 148 #define LL_MPU_REGION_SIZE_512KB (0x12U << MPU_RASR_SIZE_Pos) /*!< 512KB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 149 #define LL_MPU_REGION_SIZE_1MB (0x13U << MPU_RASR_SIZE_Pos) /*!< 1MB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 150 #define LL_MPU_REGION_SIZE_2MB (0x14U << MPU_RASR_SIZE_Pos) /*!< 2MB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 151 #define LL_MPU_REGION_SIZE_4MB (0x15U << MPU_RASR_SIZE_Pos) /*!< 4MB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 152 #define LL_MPU_REGION_SIZE_8MB (0x16U << MPU_RASR_SIZE_Pos) /*!< 8MB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 153 #define LL_MPU_REGION_SIZE_16MB (0x17U << MPU_RASR_SIZE_Pos) /*!< 16MB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 154 #define LL_MPU_REGION_SIZE_32MB (0x18U << MPU_RASR_SIZE_Pos) /*!< 32MB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 155 #define LL_MPU_REGION_SIZE_64MB (0x19U << MPU_RASR_SIZE_Pos) /*!< 64MB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 156 #define LL_MPU_REGION_SIZE_128MB (0x1AU << MPU_RASR_SIZE_Pos) /*!< 128MB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 157 #define LL_MPU_REGION_SIZE_256MB (0x1BU << MPU_RASR_SIZE_Pos) /*!< 256MB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 158 #define LL_MPU_REGION_SIZE_512MB (0x1CU << MPU_RASR_SIZE_Pos) /*!< 512MB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 159 #define LL_MPU_REGION_SIZE_1GB (0x1DU << MPU_RASR_SIZE_Pos) /*!< 1GB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 160 #define LL_MPU_REGION_SIZE_2GB (0x1EU << MPU_RASR_SIZE_Pos) /*!< 2GB Size of the MPU protection region */
AnnaBridge 168:b9e159c1930a 161 #define LL_MPU_REGION_SIZE_4GB (0x1FU << MPU_RASR_SIZE_Pos) /*!< 4GB Size of the MPU protection region */
AnnaBridge 163:e59c8e839560 162 /**
AnnaBridge 163:e59c8e839560 163 * @}
AnnaBridge 163:e59c8e839560 164 */
AnnaBridge 163:e59c8e839560 165
AnnaBridge 163:e59c8e839560 166 /** @defgroup CORTEX_LL_EC_REGION_PRIVILEDGES MPU Region Privileges
AnnaBridge 163:e59c8e839560 167 * @{
AnnaBridge 163:e59c8e839560 168 */
AnnaBridge 168:b9e159c1930a 169 #define LL_MPU_REGION_NO_ACCESS (0x00U << MPU_RASR_AP_Pos) /*!< No access*/
AnnaBridge 168:b9e159c1930a 170 #define LL_MPU_REGION_PRIV_RW (0x01U << MPU_RASR_AP_Pos) /*!< RW privileged (privileged access only)*/
AnnaBridge 168:b9e159c1930a 171 #define LL_MPU_REGION_PRIV_RW_URO (0x02U << MPU_RASR_AP_Pos) /*!< RW privileged - RO user (Write in a user program generates a fault) */
AnnaBridge 168:b9e159c1930a 172 #define LL_MPU_REGION_FULL_ACCESS (0x03U << MPU_RASR_AP_Pos) /*!< RW privileged & user (Full access) */
AnnaBridge 168:b9e159c1930a 173 #define LL_MPU_REGION_PRIV_RO (0x05U << MPU_RASR_AP_Pos) /*!< RO privileged (privileged read only)*/
AnnaBridge 168:b9e159c1930a 174 #define LL_MPU_REGION_PRIV_RO_URO (0x06U << MPU_RASR_AP_Pos) /*!< RO privileged & user (read only) */
AnnaBridge 163:e59c8e839560 175 /**
AnnaBridge 163:e59c8e839560 176 * @}
AnnaBridge 163:e59c8e839560 177 */
AnnaBridge 163:e59c8e839560 178
AnnaBridge 163:e59c8e839560 179 /** @defgroup CORTEX_LL_EC_TEX MPU TEX Level
AnnaBridge 163:e59c8e839560 180 * @{
AnnaBridge 163:e59c8e839560 181 */
AnnaBridge 168:b9e159c1930a 182 #define LL_MPU_TEX_LEVEL0 (0x00U << MPU_RASR_TEX_Pos) /*!< b000 for TEX bits */
AnnaBridge 168:b9e159c1930a 183 #define LL_MPU_TEX_LEVEL1 (0x01U << MPU_RASR_TEX_Pos) /*!< b001 for TEX bits */
AnnaBridge 168:b9e159c1930a 184 #define LL_MPU_TEX_LEVEL2 (0x02U << MPU_RASR_TEX_Pos) /*!< b010 for TEX bits */
AnnaBridge 168:b9e159c1930a 185 #define LL_MPU_TEX_LEVEL4 (0x04U << MPU_RASR_TEX_Pos) /*!< b100 for TEX bits */
AnnaBridge 163:e59c8e839560 186 /**
AnnaBridge 163:e59c8e839560 187 * @}
AnnaBridge 163:e59c8e839560 188 */
AnnaBridge 163:e59c8e839560 189
AnnaBridge 163:e59c8e839560 190 /** @defgroup CORTEX_LL_EC_INSTRUCTION_ACCESS MPU Instruction Access
AnnaBridge 163:e59c8e839560 191 * @{
AnnaBridge 163:e59c8e839560 192 */
AnnaBridge 168:b9e159c1930a 193 #define LL_MPU_INSTRUCTION_ACCESS_ENABLE 0x00U /*!< Instruction fetches enabled */
AnnaBridge 163:e59c8e839560 194 #define LL_MPU_INSTRUCTION_ACCESS_DISABLE MPU_RASR_XN_Msk /*!< Instruction fetches disabled*/
AnnaBridge 163:e59c8e839560 195 /**
AnnaBridge 163:e59c8e839560 196 * @}
AnnaBridge 163:e59c8e839560 197 */
AnnaBridge 163:e59c8e839560 198
AnnaBridge 163:e59c8e839560 199 /** @defgroup CORTEX_LL_EC_SHAREABLE_ACCESS MPU Shareable Access
AnnaBridge 163:e59c8e839560 200 * @{
AnnaBridge 163:e59c8e839560 201 */
AnnaBridge 163:e59c8e839560 202 #define LL_MPU_ACCESS_SHAREABLE MPU_RASR_S_Msk /*!< Shareable memory attribute */
AnnaBridge 168:b9e159c1930a 203 #define LL_MPU_ACCESS_NOT_SHAREABLE 0x00U /*!< Not Shareable memory attribute */
AnnaBridge 163:e59c8e839560 204 /**
AnnaBridge 163:e59c8e839560 205 * @}
AnnaBridge 163:e59c8e839560 206 */
AnnaBridge 163:e59c8e839560 207
AnnaBridge 163:e59c8e839560 208 /** @defgroup CORTEX_LL_EC_CACHEABLE_ACCESS MPU Cacheable Access
AnnaBridge 163:e59c8e839560 209 * @{
AnnaBridge 163:e59c8e839560 210 */
AnnaBridge 163:e59c8e839560 211 #define LL_MPU_ACCESS_CACHEABLE MPU_RASR_C_Msk /*!< Cacheable memory attribute */
AnnaBridge 168:b9e159c1930a 212 #define LL_MPU_ACCESS_NOT_CACHEABLE 0x00U /*!< Not Cacheable memory attribute */
AnnaBridge 163:e59c8e839560 213 /**
AnnaBridge 163:e59c8e839560 214 * @}
AnnaBridge 163:e59c8e839560 215 */
AnnaBridge 163:e59c8e839560 216
AnnaBridge 163:e59c8e839560 217 /** @defgroup CORTEX_LL_EC_BUFFERABLE_ACCESS MPU Bufferable Access
AnnaBridge 163:e59c8e839560 218 * @{
AnnaBridge 163:e59c8e839560 219 */
AnnaBridge 163:e59c8e839560 220 #define LL_MPU_ACCESS_BUFFERABLE MPU_RASR_B_Msk /*!< Bufferable memory attribute */
AnnaBridge 168:b9e159c1930a 221 #define LL_MPU_ACCESS_NOT_BUFFERABLE 0x00U /*!< Not Bufferable memory attribute */
AnnaBridge 163:e59c8e839560 222 /**
AnnaBridge 163:e59c8e839560 223 * @}
AnnaBridge 163:e59c8e839560 224 */
AnnaBridge 163:e59c8e839560 225 #endif /* __MPU_PRESENT */
AnnaBridge 163:e59c8e839560 226 /**
AnnaBridge 163:e59c8e839560 227 * @}
AnnaBridge 163:e59c8e839560 228 */
AnnaBridge 163:e59c8e839560 229
AnnaBridge 163:e59c8e839560 230 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 231
AnnaBridge 163:e59c8e839560 232 /* Exported functions --------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 233 /** @defgroup CORTEX_LL_Exported_Functions CORTEX Exported Functions
AnnaBridge 163:e59c8e839560 234 * @{
AnnaBridge 163:e59c8e839560 235 */
AnnaBridge 163:e59c8e839560 236
AnnaBridge 163:e59c8e839560 237 /** @defgroup CORTEX_LL_EF_SYSTICK SYSTICK
AnnaBridge 163:e59c8e839560 238 * @{
AnnaBridge 163:e59c8e839560 239 */
AnnaBridge 163:e59c8e839560 240
AnnaBridge 163:e59c8e839560 241 /**
AnnaBridge 163:e59c8e839560 242 * @brief This function checks if the Systick counter flag is active or not.
AnnaBridge 163:e59c8e839560 243 * @note It can be used in timeout function on application side.
AnnaBridge 163:e59c8e839560 244 * @rmtoll STK_CTRL COUNTFLAG LL_SYSTICK_IsActiveCounterFlag
AnnaBridge 163:e59c8e839560 245 * @retval State of bit (1 or 0).
AnnaBridge 163:e59c8e839560 246 */
AnnaBridge 163:e59c8e839560 247 __STATIC_INLINE uint32_t LL_SYSTICK_IsActiveCounterFlag(void)
AnnaBridge 163:e59c8e839560 248 {
AnnaBridge 163:e59c8e839560 249 return ((SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk) == (SysTick_CTRL_COUNTFLAG_Msk));
AnnaBridge 163:e59c8e839560 250 }
AnnaBridge 163:e59c8e839560 251
AnnaBridge 163:e59c8e839560 252 /**
AnnaBridge 163:e59c8e839560 253 * @brief Configures the SysTick clock source
AnnaBridge 163:e59c8e839560 254 * @rmtoll STK_CTRL CLKSOURCE LL_SYSTICK_SetClkSource
AnnaBridge 163:e59c8e839560 255 * @param Source This parameter can be one of the following values:
AnnaBridge 163:e59c8e839560 256 * @arg @ref LL_SYSTICK_CLKSOURCE_HCLK_DIV8
AnnaBridge 163:e59c8e839560 257 * @arg @ref LL_SYSTICK_CLKSOURCE_HCLK
AnnaBridge 163:e59c8e839560 258 * @retval None
AnnaBridge 163:e59c8e839560 259 */
AnnaBridge 163:e59c8e839560 260 __STATIC_INLINE void LL_SYSTICK_SetClkSource(uint32_t Source)
AnnaBridge 163:e59c8e839560 261 {
AnnaBridge 163:e59c8e839560 262 if (Source == LL_SYSTICK_CLKSOURCE_HCLK)
AnnaBridge 163:e59c8e839560 263 {
AnnaBridge 163:e59c8e839560 264 SET_BIT(SysTick->CTRL, LL_SYSTICK_CLKSOURCE_HCLK);
AnnaBridge 163:e59c8e839560 265 }
AnnaBridge 163:e59c8e839560 266 else
AnnaBridge 163:e59c8e839560 267 {
AnnaBridge 163:e59c8e839560 268 CLEAR_BIT(SysTick->CTRL, LL_SYSTICK_CLKSOURCE_HCLK);
AnnaBridge 163:e59c8e839560 269 }
AnnaBridge 163:e59c8e839560 270 }
AnnaBridge 163:e59c8e839560 271
AnnaBridge 163:e59c8e839560 272 /**
AnnaBridge 163:e59c8e839560 273 * @brief Get the SysTick clock source
AnnaBridge 163:e59c8e839560 274 * @rmtoll STK_CTRL CLKSOURCE LL_SYSTICK_GetClkSource
AnnaBridge 163:e59c8e839560 275 * @retval Returned value can be one of the following values:
AnnaBridge 163:e59c8e839560 276 * @arg @ref LL_SYSTICK_CLKSOURCE_HCLK_DIV8
AnnaBridge 163:e59c8e839560 277 * @arg @ref LL_SYSTICK_CLKSOURCE_HCLK
AnnaBridge 163:e59c8e839560 278 */
AnnaBridge 163:e59c8e839560 279 __STATIC_INLINE uint32_t LL_SYSTICK_GetClkSource(void)
AnnaBridge 163:e59c8e839560 280 {
AnnaBridge 163:e59c8e839560 281 return READ_BIT(SysTick->CTRL, LL_SYSTICK_CLKSOURCE_HCLK);
AnnaBridge 163:e59c8e839560 282 }
AnnaBridge 163:e59c8e839560 283
AnnaBridge 163:e59c8e839560 284 /**
AnnaBridge 163:e59c8e839560 285 * @brief Enable SysTick exception request
AnnaBridge 163:e59c8e839560 286 * @rmtoll STK_CTRL TICKINT LL_SYSTICK_EnableIT
AnnaBridge 163:e59c8e839560 287 * @retval None
AnnaBridge 163:e59c8e839560 288 */
AnnaBridge 163:e59c8e839560 289 __STATIC_INLINE void LL_SYSTICK_EnableIT(void)
AnnaBridge 163:e59c8e839560 290 {
AnnaBridge 163:e59c8e839560 291 SET_BIT(SysTick->CTRL, SysTick_CTRL_TICKINT_Msk);
AnnaBridge 163:e59c8e839560 292 }
AnnaBridge 163:e59c8e839560 293
AnnaBridge 163:e59c8e839560 294 /**
AnnaBridge 163:e59c8e839560 295 * @brief Disable SysTick exception request
AnnaBridge 163:e59c8e839560 296 * @rmtoll STK_CTRL TICKINT LL_SYSTICK_DisableIT
AnnaBridge 163:e59c8e839560 297 * @retval None
AnnaBridge 163:e59c8e839560 298 */
AnnaBridge 163:e59c8e839560 299 __STATIC_INLINE void LL_SYSTICK_DisableIT(void)
AnnaBridge 163:e59c8e839560 300 {
AnnaBridge 163:e59c8e839560 301 CLEAR_BIT(SysTick->CTRL, SysTick_CTRL_TICKINT_Msk);
AnnaBridge 163:e59c8e839560 302 }
AnnaBridge 163:e59c8e839560 303
AnnaBridge 163:e59c8e839560 304 /**
AnnaBridge 163:e59c8e839560 305 * @brief Checks if the SYSTICK interrupt is enabled or disabled.
AnnaBridge 163:e59c8e839560 306 * @rmtoll STK_CTRL TICKINT LL_SYSTICK_IsEnabledIT
AnnaBridge 163:e59c8e839560 307 * @retval State of bit (1 or 0).
AnnaBridge 163:e59c8e839560 308 */
AnnaBridge 163:e59c8e839560 309 __STATIC_INLINE uint32_t LL_SYSTICK_IsEnabledIT(void)
AnnaBridge 163:e59c8e839560 310 {
AnnaBridge 163:e59c8e839560 311 return (READ_BIT(SysTick->CTRL, SysTick_CTRL_TICKINT_Msk) == (SysTick_CTRL_TICKINT_Msk));
AnnaBridge 163:e59c8e839560 312 }
AnnaBridge 163:e59c8e839560 313
AnnaBridge 163:e59c8e839560 314 /**
AnnaBridge 163:e59c8e839560 315 * @}
AnnaBridge 163:e59c8e839560 316 */
AnnaBridge 163:e59c8e839560 317
AnnaBridge 163:e59c8e839560 318 /** @defgroup CORTEX_LL_EF_LOW_POWER_MODE LOW POWER MODE
AnnaBridge 163:e59c8e839560 319 * @{
AnnaBridge 163:e59c8e839560 320 */
AnnaBridge 163:e59c8e839560 321
AnnaBridge 163:e59c8e839560 322 /**
AnnaBridge 163:e59c8e839560 323 * @brief Processor uses sleep as its low power mode
AnnaBridge 163:e59c8e839560 324 * @rmtoll SCB_SCR SLEEPDEEP LL_LPM_EnableSleep
AnnaBridge 163:e59c8e839560 325 * @retval None
AnnaBridge 163:e59c8e839560 326 */
AnnaBridge 163:e59c8e839560 327 __STATIC_INLINE void LL_LPM_EnableSleep(void)
AnnaBridge 163:e59c8e839560 328 {
AnnaBridge 163:e59c8e839560 329 /* Clear SLEEPDEEP bit of Cortex System Control Register */
AnnaBridge 163:e59c8e839560 330 CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk));
AnnaBridge 163:e59c8e839560 331 }
AnnaBridge 163:e59c8e839560 332
AnnaBridge 163:e59c8e839560 333 /**
AnnaBridge 163:e59c8e839560 334 * @brief Processor uses deep sleep as its low power mode
AnnaBridge 163:e59c8e839560 335 * @rmtoll SCB_SCR SLEEPDEEP LL_LPM_EnableDeepSleep
AnnaBridge 163:e59c8e839560 336 * @retval None
AnnaBridge 163:e59c8e839560 337 */
AnnaBridge 163:e59c8e839560 338 __STATIC_INLINE void LL_LPM_EnableDeepSleep(void)
AnnaBridge 163:e59c8e839560 339 {
AnnaBridge 163:e59c8e839560 340 /* Set SLEEPDEEP bit of Cortex System Control Register */
AnnaBridge 163:e59c8e839560 341 SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk));
AnnaBridge 163:e59c8e839560 342 }
AnnaBridge 163:e59c8e839560 343
AnnaBridge 163:e59c8e839560 344 /**
AnnaBridge 163:e59c8e839560 345 * @brief Configures sleep-on-exit when returning from Handler mode to Thread mode.
AnnaBridge 163:e59c8e839560 346 * @note Setting this bit to 1 enables an interrupt-driven application to avoid returning to an
AnnaBridge 163:e59c8e839560 347 * empty main application.
AnnaBridge 163:e59c8e839560 348 * @rmtoll SCB_SCR SLEEPONEXIT LL_LPM_EnableSleepOnExit
AnnaBridge 163:e59c8e839560 349 * @retval None
AnnaBridge 163:e59c8e839560 350 */
AnnaBridge 163:e59c8e839560 351 __STATIC_INLINE void LL_LPM_EnableSleepOnExit(void)
AnnaBridge 163:e59c8e839560 352 {
AnnaBridge 163:e59c8e839560 353 /* Set SLEEPONEXIT bit of Cortex System Control Register */
AnnaBridge 163:e59c8e839560 354 SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPONEXIT_Msk));
AnnaBridge 163:e59c8e839560 355 }
AnnaBridge 163:e59c8e839560 356
AnnaBridge 163:e59c8e839560 357 /**
AnnaBridge 163:e59c8e839560 358 * @brief Do not sleep when returning to Thread mode.
AnnaBridge 163:e59c8e839560 359 * @rmtoll SCB_SCR SLEEPONEXIT LL_LPM_DisableSleepOnExit
AnnaBridge 163:e59c8e839560 360 * @retval None
AnnaBridge 163:e59c8e839560 361 */
AnnaBridge 163:e59c8e839560 362 __STATIC_INLINE void LL_LPM_DisableSleepOnExit(void)
AnnaBridge 163:e59c8e839560 363 {
AnnaBridge 163:e59c8e839560 364 /* Clear SLEEPONEXIT bit of Cortex System Control Register */
AnnaBridge 163:e59c8e839560 365 CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPONEXIT_Msk));
AnnaBridge 163:e59c8e839560 366 }
AnnaBridge 163:e59c8e839560 367
AnnaBridge 163:e59c8e839560 368 /**
AnnaBridge 163:e59c8e839560 369 * @brief Enabled events and all interrupts, including disabled interrupts, can wakeup the
AnnaBridge 163:e59c8e839560 370 * processor.
AnnaBridge 163:e59c8e839560 371 * @rmtoll SCB_SCR SEVEONPEND LL_LPM_EnableEventOnPend
AnnaBridge 163:e59c8e839560 372 * @retval None
AnnaBridge 163:e59c8e839560 373 */
AnnaBridge 163:e59c8e839560 374 __STATIC_INLINE void LL_LPM_EnableEventOnPend(void)
AnnaBridge 163:e59c8e839560 375 {
AnnaBridge 163:e59c8e839560 376 /* Set SEVEONPEND bit of Cortex System Control Register */
AnnaBridge 163:e59c8e839560 377 SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SEVONPEND_Msk));
AnnaBridge 163:e59c8e839560 378 }
AnnaBridge 163:e59c8e839560 379
AnnaBridge 163:e59c8e839560 380 /**
AnnaBridge 163:e59c8e839560 381 * @brief Only enabled interrupts or events can wakeup the processor, disabled interrupts are
AnnaBridge 163:e59c8e839560 382 * excluded
AnnaBridge 163:e59c8e839560 383 * @rmtoll SCB_SCR SEVEONPEND LL_LPM_DisableEventOnPend
AnnaBridge 163:e59c8e839560 384 * @retval None
AnnaBridge 163:e59c8e839560 385 */
AnnaBridge 163:e59c8e839560 386 __STATIC_INLINE void LL_LPM_DisableEventOnPend(void)
AnnaBridge 163:e59c8e839560 387 {
AnnaBridge 163:e59c8e839560 388 /* Clear SEVEONPEND bit of Cortex System Control Register */
AnnaBridge 163:e59c8e839560 389 CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SEVONPEND_Msk));
AnnaBridge 163:e59c8e839560 390 }
AnnaBridge 163:e59c8e839560 391
AnnaBridge 163:e59c8e839560 392 /**
AnnaBridge 163:e59c8e839560 393 * @}
AnnaBridge 163:e59c8e839560 394 */
AnnaBridge 163:e59c8e839560 395
AnnaBridge 163:e59c8e839560 396 /** @defgroup CORTEX_LL_EF_HANDLER HANDLER
AnnaBridge 163:e59c8e839560 397 * @{
AnnaBridge 163:e59c8e839560 398 */
AnnaBridge 163:e59c8e839560 399
AnnaBridge 163:e59c8e839560 400 /**
AnnaBridge 163:e59c8e839560 401 * @brief Enable a fault in System handler control register (SHCSR)
AnnaBridge 163:e59c8e839560 402 * @rmtoll SCB_SHCSR MEMFAULTENA LL_HANDLER_EnableFault
AnnaBridge 163:e59c8e839560 403 * @param Fault This parameter can be a combination of the following values:
AnnaBridge 163:e59c8e839560 404 * @arg @ref LL_HANDLER_FAULT_USG
AnnaBridge 163:e59c8e839560 405 * @arg @ref LL_HANDLER_FAULT_BUS
AnnaBridge 163:e59c8e839560 406 * @arg @ref LL_HANDLER_FAULT_MEM
AnnaBridge 163:e59c8e839560 407 * @retval None
AnnaBridge 163:e59c8e839560 408 */
AnnaBridge 163:e59c8e839560 409 __STATIC_INLINE void LL_HANDLER_EnableFault(uint32_t Fault)
AnnaBridge 163:e59c8e839560 410 {
AnnaBridge 163:e59c8e839560 411 /* Enable the system handler fault */
AnnaBridge 163:e59c8e839560 412 SET_BIT(SCB->SHCSR, Fault);
AnnaBridge 163:e59c8e839560 413 }
AnnaBridge 163:e59c8e839560 414
AnnaBridge 163:e59c8e839560 415 /**
AnnaBridge 163:e59c8e839560 416 * @brief Disable a fault in System handler control register (SHCSR)
AnnaBridge 163:e59c8e839560 417 * @rmtoll SCB_SHCSR MEMFAULTENA LL_HANDLER_DisableFault
AnnaBridge 163:e59c8e839560 418 * @param Fault This parameter can be a combination of the following values:
AnnaBridge 163:e59c8e839560 419 * @arg @ref LL_HANDLER_FAULT_USG
AnnaBridge 163:e59c8e839560 420 * @arg @ref LL_HANDLER_FAULT_BUS
AnnaBridge 163:e59c8e839560 421 * @arg @ref LL_HANDLER_FAULT_MEM
AnnaBridge 163:e59c8e839560 422 * @retval None
AnnaBridge 163:e59c8e839560 423 */
AnnaBridge 163:e59c8e839560 424 __STATIC_INLINE void LL_HANDLER_DisableFault(uint32_t Fault)
AnnaBridge 163:e59c8e839560 425 {
AnnaBridge 163:e59c8e839560 426 /* Disable the system handler fault */
AnnaBridge 163:e59c8e839560 427 CLEAR_BIT(SCB->SHCSR, Fault);
AnnaBridge 163:e59c8e839560 428 }
AnnaBridge 163:e59c8e839560 429
AnnaBridge 163:e59c8e839560 430 /**
AnnaBridge 163:e59c8e839560 431 * @}
AnnaBridge 163:e59c8e839560 432 */
AnnaBridge 163:e59c8e839560 433
AnnaBridge 163:e59c8e839560 434 /** @defgroup CORTEX_LL_EF_MCU_INFO MCU INFO
AnnaBridge 163:e59c8e839560 435 * @{
AnnaBridge 163:e59c8e839560 436 */
AnnaBridge 163:e59c8e839560 437
AnnaBridge 163:e59c8e839560 438 /**
AnnaBridge 163:e59c8e839560 439 * @brief Get Implementer code
AnnaBridge 163:e59c8e839560 440 * @rmtoll SCB_CPUID IMPLEMENTER LL_CPUID_GetImplementer
AnnaBridge 163:e59c8e839560 441 * @retval Value should be equal to 0x41 for ARM
AnnaBridge 163:e59c8e839560 442 */
AnnaBridge 163:e59c8e839560 443 __STATIC_INLINE uint32_t LL_CPUID_GetImplementer(void)
AnnaBridge 163:e59c8e839560 444 {
AnnaBridge 163:e59c8e839560 445 return (uint32_t)(READ_BIT(SCB->CPUID, SCB_CPUID_IMPLEMENTER_Msk) >> SCB_CPUID_IMPLEMENTER_Pos);
AnnaBridge 163:e59c8e839560 446 }
AnnaBridge 163:e59c8e839560 447
AnnaBridge 163:e59c8e839560 448 /**
AnnaBridge 163:e59c8e839560 449 * @brief Get Variant number (The r value in the rnpn product revision identifier)
AnnaBridge 163:e59c8e839560 450 * @rmtoll SCB_CPUID VARIANT LL_CPUID_GetVariant
AnnaBridge 163:e59c8e839560 451 * @retval Value between 0 and 255 (0x0: revision 0)
AnnaBridge 163:e59c8e839560 452 */
AnnaBridge 163:e59c8e839560 453 __STATIC_INLINE uint32_t LL_CPUID_GetVariant(void)
AnnaBridge 163:e59c8e839560 454 {
AnnaBridge 163:e59c8e839560 455 return (uint32_t)(READ_BIT(SCB->CPUID, SCB_CPUID_VARIANT_Msk) >> SCB_CPUID_VARIANT_Pos);
AnnaBridge 163:e59c8e839560 456 }
AnnaBridge 163:e59c8e839560 457
AnnaBridge 163:e59c8e839560 458 /**
AnnaBridge 163:e59c8e839560 459 * @brief Get Constant number
AnnaBridge 163:e59c8e839560 460 * @rmtoll SCB_CPUID ARCHITECTURE LL_CPUID_GetConstant
AnnaBridge 163:e59c8e839560 461 * @retval Value should be equal to 0xF for Cortex-M4 devices
AnnaBridge 163:e59c8e839560 462 */
AnnaBridge 163:e59c8e839560 463 __STATIC_INLINE uint32_t LL_CPUID_GetConstant(void)
AnnaBridge 163:e59c8e839560 464 {
AnnaBridge 163:e59c8e839560 465 return (uint32_t)(READ_BIT(SCB->CPUID, SCB_CPUID_ARCHITECTURE_Msk) >> SCB_CPUID_ARCHITECTURE_Pos);
AnnaBridge 163:e59c8e839560 466 }
AnnaBridge 163:e59c8e839560 467
AnnaBridge 163:e59c8e839560 468 /**
AnnaBridge 163:e59c8e839560 469 * @brief Get Part number
AnnaBridge 163:e59c8e839560 470 * @rmtoll SCB_CPUID PARTNO LL_CPUID_GetParNo
AnnaBridge 163:e59c8e839560 471 * @retval Value should be equal to 0xC24 for Cortex-M4
AnnaBridge 163:e59c8e839560 472 */
AnnaBridge 163:e59c8e839560 473 __STATIC_INLINE uint32_t LL_CPUID_GetParNo(void)
AnnaBridge 163:e59c8e839560 474 {
AnnaBridge 163:e59c8e839560 475 return (uint32_t)(READ_BIT(SCB->CPUID, SCB_CPUID_PARTNO_Msk) >> SCB_CPUID_PARTNO_Pos);
AnnaBridge 163:e59c8e839560 476 }
AnnaBridge 163:e59c8e839560 477
AnnaBridge 163:e59c8e839560 478 /**
AnnaBridge 163:e59c8e839560 479 * @brief Get Revision number (The p value in the rnpn product revision identifier, indicates patch release)
AnnaBridge 163:e59c8e839560 480 * @rmtoll SCB_CPUID REVISION LL_CPUID_GetRevision
AnnaBridge 163:e59c8e839560 481 * @retval Value between 0 and 255 (0x1: patch 1)
AnnaBridge 163:e59c8e839560 482 */
AnnaBridge 163:e59c8e839560 483 __STATIC_INLINE uint32_t LL_CPUID_GetRevision(void)
AnnaBridge 163:e59c8e839560 484 {
AnnaBridge 163:e59c8e839560 485 return (uint32_t)(READ_BIT(SCB->CPUID, SCB_CPUID_REVISION_Msk) >> SCB_CPUID_REVISION_Pos);
AnnaBridge 163:e59c8e839560 486 }
AnnaBridge 163:e59c8e839560 487
AnnaBridge 163:e59c8e839560 488 /**
AnnaBridge 163:e59c8e839560 489 * @}
AnnaBridge 163:e59c8e839560 490 */
AnnaBridge 163:e59c8e839560 491
AnnaBridge 163:e59c8e839560 492 #if __MPU_PRESENT
AnnaBridge 163:e59c8e839560 493 /** @defgroup CORTEX_LL_EF_MPU MPU
AnnaBridge 163:e59c8e839560 494 * @{
AnnaBridge 163:e59c8e839560 495 */
AnnaBridge 163:e59c8e839560 496
AnnaBridge 163:e59c8e839560 497 /**
AnnaBridge 163:e59c8e839560 498 * @brief Enable MPU with input options
AnnaBridge 163:e59c8e839560 499 * @rmtoll MPU_CTRL ENABLE LL_MPU_Enable
AnnaBridge 163:e59c8e839560 500 * @param Options This parameter can be one of the following values:
AnnaBridge 163:e59c8e839560 501 * @arg @ref LL_MPU_CTRL_HFNMI_PRIVDEF_NONE
AnnaBridge 163:e59c8e839560 502 * @arg @ref LL_MPU_CTRL_HARDFAULT_NMI
AnnaBridge 163:e59c8e839560 503 * @arg @ref LL_MPU_CTRL_PRIVILEGED_DEFAULT
AnnaBridge 163:e59c8e839560 504 * @arg @ref LL_MPU_CTRL_HFNMI_PRIVDEF
AnnaBridge 163:e59c8e839560 505 * @retval None
AnnaBridge 163:e59c8e839560 506 */
AnnaBridge 163:e59c8e839560 507 __STATIC_INLINE void LL_MPU_Enable(uint32_t Options)
AnnaBridge 163:e59c8e839560 508 {
AnnaBridge 163:e59c8e839560 509 /* Enable the MPU*/
AnnaBridge 163:e59c8e839560 510 WRITE_REG(MPU->CTRL, (MPU_CTRL_ENABLE_Msk | Options));
AnnaBridge 163:e59c8e839560 511 /* Ensure MPU settings take effects */
AnnaBridge 163:e59c8e839560 512 __DSB();
AnnaBridge 163:e59c8e839560 513 /* Sequence instruction fetches using update settings */
AnnaBridge 163:e59c8e839560 514 __ISB();
AnnaBridge 163:e59c8e839560 515 }
AnnaBridge 163:e59c8e839560 516
AnnaBridge 163:e59c8e839560 517 /**
AnnaBridge 163:e59c8e839560 518 * @brief Disable MPU
AnnaBridge 163:e59c8e839560 519 * @rmtoll MPU_CTRL ENABLE LL_MPU_Disable
AnnaBridge 163:e59c8e839560 520 * @retval None
AnnaBridge 163:e59c8e839560 521 */
AnnaBridge 163:e59c8e839560 522 __STATIC_INLINE void LL_MPU_Disable(void)
AnnaBridge 163:e59c8e839560 523 {
AnnaBridge 163:e59c8e839560 524 /* Make sure outstanding transfers are done */
AnnaBridge 163:e59c8e839560 525 __DMB();
AnnaBridge 163:e59c8e839560 526 /* Disable MPU*/
AnnaBridge 163:e59c8e839560 527 WRITE_REG(MPU->CTRL, 0U);
AnnaBridge 163:e59c8e839560 528 }
AnnaBridge 163:e59c8e839560 529
AnnaBridge 163:e59c8e839560 530 /**
AnnaBridge 163:e59c8e839560 531 * @brief Check if MPU is enabled or not
AnnaBridge 163:e59c8e839560 532 * @rmtoll MPU_CTRL ENABLE LL_MPU_IsEnabled
AnnaBridge 163:e59c8e839560 533 * @retval State of bit (1 or 0).
AnnaBridge 163:e59c8e839560 534 */
AnnaBridge 163:e59c8e839560 535 __STATIC_INLINE uint32_t LL_MPU_IsEnabled(void)
AnnaBridge 163:e59c8e839560 536 {
AnnaBridge 163:e59c8e839560 537 return (READ_BIT(MPU->CTRL, MPU_CTRL_ENABLE_Msk) == (MPU_CTRL_ENABLE_Msk));
AnnaBridge 163:e59c8e839560 538 }
AnnaBridge 163:e59c8e839560 539
AnnaBridge 163:e59c8e839560 540 /**
AnnaBridge 163:e59c8e839560 541 * @brief Enable a MPU region
AnnaBridge 163:e59c8e839560 542 * @rmtoll MPU_RASR ENABLE LL_MPU_EnableRegion
AnnaBridge 163:e59c8e839560 543 * @param Region This parameter can be one of the following values:
AnnaBridge 163:e59c8e839560 544 * @arg @ref LL_MPU_REGION_NUMBER0
AnnaBridge 163:e59c8e839560 545 * @arg @ref LL_MPU_REGION_NUMBER1
AnnaBridge 163:e59c8e839560 546 * @arg @ref LL_MPU_REGION_NUMBER2
AnnaBridge 163:e59c8e839560 547 * @arg @ref LL_MPU_REGION_NUMBER3
AnnaBridge 163:e59c8e839560 548 * @arg @ref LL_MPU_REGION_NUMBER4
AnnaBridge 163:e59c8e839560 549 * @arg @ref LL_MPU_REGION_NUMBER5
AnnaBridge 163:e59c8e839560 550 * @arg @ref LL_MPU_REGION_NUMBER6
AnnaBridge 163:e59c8e839560 551 * @arg @ref LL_MPU_REGION_NUMBER7
AnnaBridge 163:e59c8e839560 552 * @retval None
AnnaBridge 163:e59c8e839560 553 */
AnnaBridge 163:e59c8e839560 554 __STATIC_INLINE void LL_MPU_EnableRegion(uint32_t Region)
AnnaBridge 163:e59c8e839560 555 {
AnnaBridge 163:e59c8e839560 556 /* Set Region number */
AnnaBridge 163:e59c8e839560 557 WRITE_REG(MPU->RNR, Region);
AnnaBridge 163:e59c8e839560 558 /* Enable the MPU region */
AnnaBridge 163:e59c8e839560 559 SET_BIT(MPU->RASR, MPU_RASR_ENABLE_Msk);
AnnaBridge 163:e59c8e839560 560 }
AnnaBridge 163:e59c8e839560 561
AnnaBridge 163:e59c8e839560 562 /**
AnnaBridge 163:e59c8e839560 563 * @brief Configure and enable a region
AnnaBridge 163:e59c8e839560 564 * @rmtoll MPU_RNR REGION LL_MPU_ConfigRegion\n
AnnaBridge 163:e59c8e839560 565 * MPU_RBAR REGION LL_MPU_ConfigRegion\n
AnnaBridge 163:e59c8e839560 566 * MPU_RBAR ADDR LL_MPU_ConfigRegion\n
AnnaBridge 163:e59c8e839560 567 * MPU_RASR XN LL_MPU_ConfigRegion\n
AnnaBridge 163:e59c8e839560 568 * MPU_RASR AP LL_MPU_ConfigRegion\n
AnnaBridge 163:e59c8e839560 569 * MPU_RASR S LL_MPU_ConfigRegion\n
AnnaBridge 163:e59c8e839560 570 * MPU_RASR C LL_MPU_ConfigRegion\n
AnnaBridge 163:e59c8e839560 571 * MPU_RASR B LL_MPU_ConfigRegion\n
AnnaBridge 163:e59c8e839560 572 * MPU_RASR SIZE LL_MPU_ConfigRegion
AnnaBridge 163:e59c8e839560 573 * @param Region This parameter can be one of the following values:
AnnaBridge 163:e59c8e839560 574 * @arg @ref LL_MPU_REGION_NUMBER0
AnnaBridge 163:e59c8e839560 575 * @arg @ref LL_MPU_REGION_NUMBER1
AnnaBridge 163:e59c8e839560 576 * @arg @ref LL_MPU_REGION_NUMBER2
AnnaBridge 163:e59c8e839560 577 * @arg @ref LL_MPU_REGION_NUMBER3
AnnaBridge 163:e59c8e839560 578 * @arg @ref LL_MPU_REGION_NUMBER4
AnnaBridge 163:e59c8e839560 579 * @arg @ref LL_MPU_REGION_NUMBER5
AnnaBridge 163:e59c8e839560 580 * @arg @ref LL_MPU_REGION_NUMBER6
AnnaBridge 163:e59c8e839560 581 * @arg @ref LL_MPU_REGION_NUMBER7
AnnaBridge 163:e59c8e839560 582 * @param Address Value of region base address
AnnaBridge 163:e59c8e839560 583 * @param SubRegionDisable Sub-region disable value between Min_Data = 0x00 and Max_Data = 0xFF
AnnaBridge 163:e59c8e839560 584 * @param Attributes This parameter can be a combination of the following values:
AnnaBridge 163:e59c8e839560 585 * @arg @ref LL_MPU_REGION_SIZE_32B or @ref LL_MPU_REGION_SIZE_64B or @ref LL_MPU_REGION_SIZE_128B or @ref LL_MPU_REGION_SIZE_256B or @ref LL_MPU_REGION_SIZE_512B
AnnaBridge 163:e59c8e839560 586 * or @ref LL_MPU_REGION_SIZE_1KB or @ref LL_MPU_REGION_SIZE_2KB or @ref LL_MPU_REGION_SIZE_4KB or @ref LL_MPU_REGION_SIZE_8KB or @ref LL_MPU_REGION_SIZE_16KB
AnnaBridge 163:e59c8e839560 587 * or @ref LL_MPU_REGION_SIZE_32KB or @ref LL_MPU_REGION_SIZE_64KB or @ref LL_MPU_REGION_SIZE_128KB or @ref LL_MPU_REGION_SIZE_256KB or @ref LL_MPU_REGION_SIZE_512KB
AnnaBridge 163:e59c8e839560 588 * or @ref LL_MPU_REGION_SIZE_1MB or @ref LL_MPU_REGION_SIZE_2MB or @ref LL_MPU_REGION_SIZE_4MB or @ref LL_MPU_REGION_SIZE_8MB or @ref LL_MPU_REGION_SIZE_16MB
AnnaBridge 163:e59c8e839560 589 * or @ref LL_MPU_REGION_SIZE_32MB or @ref LL_MPU_REGION_SIZE_64MB or @ref LL_MPU_REGION_SIZE_128MB or @ref LL_MPU_REGION_SIZE_256MB or @ref LL_MPU_REGION_SIZE_512MB
AnnaBridge 163:e59c8e839560 590 * or @ref LL_MPU_REGION_SIZE_1GB or @ref LL_MPU_REGION_SIZE_2GB or @ref LL_MPU_REGION_SIZE_4GB
AnnaBridge 163:e59c8e839560 591 * @arg @ref LL_MPU_REGION_NO_ACCESS or @ref LL_MPU_REGION_PRIV_RW or @ref LL_MPU_REGION_PRIV_RW_URO or @ref LL_MPU_REGION_FULL_ACCESS
AnnaBridge 163:e59c8e839560 592 * or @ref LL_MPU_REGION_PRIV_RO or @ref LL_MPU_REGION_PRIV_RO_URO
AnnaBridge 163:e59c8e839560 593 * @arg @ref LL_MPU_TEX_LEVEL0 or @ref LL_MPU_TEX_LEVEL1 or @ref LL_MPU_TEX_LEVEL2 or @ref LL_MPU_TEX_LEVEL4
AnnaBridge 163:e59c8e839560 594 * @arg @ref LL_MPU_INSTRUCTION_ACCESS_ENABLE or @ref LL_MPU_INSTRUCTION_ACCESS_DISABLE
AnnaBridge 163:e59c8e839560 595 * @arg @ref LL_MPU_ACCESS_SHAREABLE or @ref LL_MPU_ACCESS_NOT_SHAREABLE
AnnaBridge 163:e59c8e839560 596 * @arg @ref LL_MPU_ACCESS_CACHEABLE or @ref LL_MPU_ACCESS_NOT_CACHEABLE
AnnaBridge 163:e59c8e839560 597 * @arg @ref LL_MPU_ACCESS_BUFFERABLE or @ref LL_MPU_ACCESS_NOT_BUFFERABLE
AnnaBridge 163:e59c8e839560 598 * @retval None
AnnaBridge 163:e59c8e839560 599 */
AnnaBridge 163:e59c8e839560 600 __STATIC_INLINE void LL_MPU_ConfigRegion(uint32_t Region, uint32_t SubRegionDisable, uint32_t Address, uint32_t Attributes)
AnnaBridge 163:e59c8e839560 601 {
AnnaBridge 163:e59c8e839560 602 /* Set Region number */
AnnaBridge 163:e59c8e839560 603 WRITE_REG(MPU->RNR, Region);
AnnaBridge 163:e59c8e839560 604 /* Set base address */
AnnaBridge 163:e59c8e839560 605 WRITE_REG(MPU->RBAR, (Address & 0xFFFFFFE0U));
AnnaBridge 163:e59c8e839560 606 /* Configure MPU */
AnnaBridge 163:e59c8e839560 607 WRITE_REG(MPU->RASR, (MPU_RASR_ENABLE_Msk | Attributes | SubRegionDisable << MPU_RASR_SRD_Pos));
AnnaBridge 163:e59c8e839560 608 }
AnnaBridge 163:e59c8e839560 609
AnnaBridge 163:e59c8e839560 610 /**
AnnaBridge 163:e59c8e839560 611 * @brief Disable a region
AnnaBridge 163:e59c8e839560 612 * @rmtoll MPU_RNR REGION LL_MPU_DisableRegion\n
AnnaBridge 163:e59c8e839560 613 * MPU_RASR ENABLE LL_MPU_DisableRegion
AnnaBridge 163:e59c8e839560 614 * @param Region This parameter can be one of the following values:
AnnaBridge 163:e59c8e839560 615 * @arg @ref LL_MPU_REGION_NUMBER0
AnnaBridge 163:e59c8e839560 616 * @arg @ref LL_MPU_REGION_NUMBER1
AnnaBridge 163:e59c8e839560 617 * @arg @ref LL_MPU_REGION_NUMBER2
AnnaBridge 163:e59c8e839560 618 * @arg @ref LL_MPU_REGION_NUMBER3
AnnaBridge 163:e59c8e839560 619 * @arg @ref LL_MPU_REGION_NUMBER4
AnnaBridge 163:e59c8e839560 620 * @arg @ref LL_MPU_REGION_NUMBER5
AnnaBridge 163:e59c8e839560 621 * @arg @ref LL_MPU_REGION_NUMBER6
AnnaBridge 163:e59c8e839560 622 * @arg @ref LL_MPU_REGION_NUMBER7
AnnaBridge 163:e59c8e839560 623 * @retval None
AnnaBridge 163:e59c8e839560 624 */
AnnaBridge 163:e59c8e839560 625 __STATIC_INLINE void LL_MPU_DisableRegion(uint32_t Region)
AnnaBridge 163:e59c8e839560 626 {
AnnaBridge 163:e59c8e839560 627 /* Set Region number */
AnnaBridge 163:e59c8e839560 628 WRITE_REG(MPU->RNR, Region);
AnnaBridge 163:e59c8e839560 629 /* Disable the MPU region */
AnnaBridge 163:e59c8e839560 630 CLEAR_BIT(MPU->RASR, MPU_RASR_ENABLE_Msk);
AnnaBridge 163:e59c8e839560 631 }
AnnaBridge 163:e59c8e839560 632
AnnaBridge 163:e59c8e839560 633 /**
AnnaBridge 163:e59c8e839560 634 * @}
AnnaBridge 163:e59c8e839560 635 */
AnnaBridge 163:e59c8e839560 636
AnnaBridge 163:e59c8e839560 637 #endif /* __MPU_PRESENT */
AnnaBridge 163:e59c8e839560 638 /**
AnnaBridge 163:e59c8e839560 639 * @}
AnnaBridge 163:e59c8e839560 640 */
AnnaBridge 163:e59c8e839560 641
AnnaBridge 163:e59c8e839560 642 /**
AnnaBridge 163:e59c8e839560 643 * @}
AnnaBridge 163:e59c8e839560 644 */
AnnaBridge 163:e59c8e839560 645
AnnaBridge 163:e59c8e839560 646 /**
AnnaBridge 163:e59c8e839560 647 * @}
AnnaBridge 163:e59c8e839560 648 */
AnnaBridge 163:e59c8e839560 649
AnnaBridge 163:e59c8e839560 650 #ifdef __cplusplus
AnnaBridge 163:e59c8e839560 651 }
AnnaBridge 163:e59c8e839560 652 #endif
AnnaBridge 163:e59c8e839560 653
AnnaBridge 163:e59c8e839560 654 #endif /* __STM32F3xx_LL_CORTEX_H */
AnnaBridge 163:e59c8e839560 655
AnnaBridge 163:e59c8e839560 656 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/