shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

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targets/cmsis/TARGET_STM/TARGET_DISCO_F100RB/stm32f10x_bkp.c@323:9e901b0a5aa1, 2014-09-13 (annotated)

Committer:
shaoziyang
Date:
Sat Sep 13 14:25:46 2014 +0000
Revision:
323:9e901b0a5aa1
Parent:
126:549ba18ddd81 
test with CLOCK_SETUP = 0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 126:549ba18ddd81 1 /**
mbed_official 126:549ba18ddd81 2 ******************************************************************************
mbed_official 126:549ba18ddd81 3 * @file stm32f10x_bkp.c
mbed_official 126:549ba18ddd81 4 * @author MCD Application Team
mbed_official 126:549ba18ddd81 5 * @version V3.6.1
mbed_official 126:549ba18ddd81 6 * @date 05-March-2012
mbed_official 126:549ba18ddd81 7 * @brief This file provides all the BKP firmware functions.
mbed_official 126:549ba18ddd81 8 *******************************************************************************
mbed_official 126:549ba18ddd81 9 * Copyright (c) 2014, STMicroelectronics
mbed_official 126:549ba18ddd81 10 * All rights reserved.
mbed_official 126:549ba18ddd81 11 *
mbed_official 126:549ba18ddd81 12 * Redistribution and use in source and binary forms, with or without
mbed_official 126:549ba18ddd81 13 * modification, are permitted provided that the following conditions are met:
mbed_official 126:549ba18ddd81 14 *
mbed_official 126:549ba18ddd81 15 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 126:549ba18ddd81 16 * this list of conditions and the following disclaimer.
mbed_official 126:549ba18ddd81 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 126:549ba18ddd81 18 * this list of conditions and the following disclaimer in the documentation
mbed_official 126:549ba18ddd81 19 * and/or other materials provided with the distribution.
mbed_official 126:549ba18ddd81 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 126:549ba18ddd81 21 * may be used to endorse or promote products derived from this software
mbed_official 126:549ba18ddd81 22 * without specific prior written permission.
mbed_official 126:549ba18ddd81 23 *
mbed_official 126:549ba18ddd81 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 126:549ba18ddd81 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 126:549ba18ddd81 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 126:549ba18ddd81 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 126:549ba18ddd81 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 126:549ba18ddd81 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 126:549ba18ddd81 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 126:549ba18ddd81 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 126:549ba18ddd81 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 126:549ba18ddd81 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 126:549ba18ddd81 34 *******************************************************************************
mbed_official 126:549ba18ddd81 35 */
mbed_official 126:549ba18ddd81 36
mbed_official 126:549ba18ddd81 37 /* Includes ------------------------------------------------------------------*/
mbed_official 126:549ba18ddd81 38 #include "stm32f10x_bkp.h"
mbed_official 126:549ba18ddd81 39 #include "stm32f10x_rcc.h"
mbed_official 126:549ba18ddd81 40
mbed_official 126:549ba18ddd81 41 /** @addtogroup STM32F10x_StdPeriph_Driver
mbed_official 126:549ba18ddd81 42 * @{
mbed_official 126:549ba18ddd81 43 */
mbed_official 126:549ba18ddd81 44
mbed_official 126:549ba18ddd81 45 /** @defgroup BKP
mbed_official 126:549ba18ddd81 46 * @brief BKP driver modules
mbed_official 126:549ba18ddd81 47 * @{
mbed_official 126:549ba18ddd81 48 */
mbed_official 126:549ba18ddd81 49
mbed_official 126:549ba18ddd81 50 /** @defgroup BKP_Private_TypesDefinitions
mbed_official 126:549ba18ddd81 51 * @{
mbed_official 126:549ba18ddd81 52 */
mbed_official 126:549ba18ddd81 53
mbed_official 126:549ba18ddd81 54 /**
mbed_official 126:549ba18ddd81 55 * @}
mbed_official 126:549ba18ddd81 56 */
mbed_official 126:549ba18ddd81 57
mbed_official 126:549ba18ddd81 58 /** @defgroup BKP_Private_Defines
mbed_official 126:549ba18ddd81 59 * @{
mbed_official 126:549ba18ddd81 60 */
mbed_official 126:549ba18ddd81 61
mbed_official 126:549ba18ddd81 62 /* ------------ BKP registers bit address in the alias region --------------- */
mbed_official 126:549ba18ddd81 63 #define BKP_OFFSET (BKP_BASE - PERIPH_BASE)
mbed_official 126:549ba18ddd81 64
mbed_official 126:549ba18ddd81 65 /* --- CR Register ----*/
mbed_official 126:549ba18ddd81 66
mbed_official 126:549ba18ddd81 67 /* Alias word address of TPAL bit */
mbed_official 126:549ba18ddd81 68 #define CR_OFFSET (BKP_OFFSET + 0x30)
mbed_official 126:549ba18ddd81 69 #define TPAL_BitNumber 0x01
mbed_official 126:549ba18ddd81 70 #define CR_TPAL_BB (PERIPH_BB_BASE + (CR_OFFSET * 32) + (TPAL_BitNumber * 4))
mbed_official 126:549ba18ddd81 71
mbed_official 126:549ba18ddd81 72 /* Alias word address of TPE bit */
mbed_official 126:549ba18ddd81 73 #define TPE_BitNumber 0x00
mbed_official 126:549ba18ddd81 74 #define CR_TPE_BB (PERIPH_BB_BASE + (CR_OFFSET * 32) + (TPE_BitNumber * 4))
mbed_official 126:549ba18ddd81 75
mbed_official 126:549ba18ddd81 76 /* --- CSR Register ---*/
mbed_official 126:549ba18ddd81 77
mbed_official 126:549ba18ddd81 78 /* Alias word address of TPIE bit */
mbed_official 126:549ba18ddd81 79 #define CSR_OFFSET (BKP_OFFSET + 0x34)
mbed_official 126:549ba18ddd81 80 #define TPIE_BitNumber 0x02
mbed_official 126:549ba18ddd81 81 #define CSR_TPIE_BB (PERIPH_BB_BASE + (CSR_OFFSET * 32) + (TPIE_BitNumber * 4))
mbed_official 126:549ba18ddd81 82
mbed_official 126:549ba18ddd81 83 /* Alias word address of TIF bit */
mbed_official 126:549ba18ddd81 84 #define TIF_BitNumber 0x09
mbed_official 126:549ba18ddd81 85 #define CSR_TIF_BB (PERIPH_BB_BASE + (CSR_OFFSET * 32) + (TIF_BitNumber * 4))
mbed_official 126:549ba18ddd81 86
mbed_official 126:549ba18ddd81 87 /* Alias word address of TEF bit */
mbed_official 126:549ba18ddd81 88 #define TEF_BitNumber 0x08
mbed_official 126:549ba18ddd81 89 #define CSR_TEF_BB (PERIPH_BB_BASE + (CSR_OFFSET * 32) + (TEF_BitNumber * 4))
mbed_official 126:549ba18ddd81 90
mbed_official 126:549ba18ddd81 91 /* ---------------------- BKP registers bit mask ------------------------ */
mbed_official 126:549ba18ddd81 92
mbed_official 126:549ba18ddd81 93 /* RTCCR register bit mask */
mbed_official 126:549ba18ddd81 94 #define RTCCR_CAL_MASK ((uint16_t)0xFF80)
mbed_official 126:549ba18ddd81 95 #define RTCCR_MASK ((uint16_t)0xFC7F)
mbed_official 126:549ba18ddd81 96
mbed_official 126:549ba18ddd81 97 /**
mbed_official 126:549ba18ddd81 98 * @}
mbed_official 126:549ba18ddd81 99 */
mbed_official 126:549ba18ddd81 100
mbed_official 126:549ba18ddd81 101
mbed_official 126:549ba18ddd81 102 /** @defgroup BKP_Private_Macros
mbed_official 126:549ba18ddd81 103 * @{
mbed_official 126:549ba18ddd81 104 */
mbed_official 126:549ba18ddd81 105
mbed_official 126:549ba18ddd81 106 /**
mbed_official 126:549ba18ddd81 107 * @}
mbed_official 126:549ba18ddd81 108 */
mbed_official 126:549ba18ddd81 109
mbed_official 126:549ba18ddd81 110 /** @defgroup BKP_Private_Variables
mbed_official 126:549ba18ddd81 111 * @{
mbed_official 126:549ba18ddd81 112 */
mbed_official 126:549ba18ddd81 113
mbed_official 126:549ba18ddd81 114 /**
mbed_official 126:549ba18ddd81 115 * @}
mbed_official 126:549ba18ddd81 116 */
mbed_official 126:549ba18ddd81 117
mbed_official 126:549ba18ddd81 118 /** @defgroup BKP_Private_FunctionPrototypes
mbed_official 126:549ba18ddd81 119 * @{
mbed_official 126:549ba18ddd81 120 */
mbed_official 126:549ba18ddd81 121
mbed_official 126:549ba18ddd81 122 /**
mbed_official 126:549ba18ddd81 123 * @}
mbed_official 126:549ba18ddd81 124 */
mbed_official 126:549ba18ddd81 125
mbed_official 126:549ba18ddd81 126 /** @defgroup BKP_Private_Functions
mbed_official 126:549ba18ddd81 127 * @{
mbed_official 126:549ba18ddd81 128 */
mbed_official 126:549ba18ddd81 129
mbed_official 126:549ba18ddd81 130 /**
mbed_official 126:549ba18ddd81 131 * @brief Deinitializes the BKP peripheral registers to their default reset values.
mbed_official 126:549ba18ddd81 132 * @param None
mbed_official 126:549ba18ddd81 133 * @retval None
mbed_official 126:549ba18ddd81 134 */
mbed_official 126:549ba18ddd81 135 void BKP_DeInit(void)
mbed_official 126:549ba18ddd81 136 {
mbed_official 126:549ba18ddd81 137 RCC_BackupResetCmd(ENABLE);
mbed_official 126:549ba18ddd81 138 RCC_BackupResetCmd(DISABLE);
mbed_official 126:549ba18ddd81 139 }
mbed_official 126:549ba18ddd81 140
mbed_official 126:549ba18ddd81 141 /**
mbed_official 126:549ba18ddd81 142 * @brief Configures the Tamper Pin active level.
mbed_official 126:549ba18ddd81 143 * @param BKP_TamperPinLevel: specifies the Tamper Pin active level.
mbed_official 126:549ba18ddd81 144 * This parameter can be one of the following values:
mbed_official 126:549ba18ddd81 145 * @arg BKP_TamperPinLevel_High: Tamper pin active on high level
mbed_official 126:549ba18ddd81 146 * @arg BKP_TamperPinLevel_Low: Tamper pin active on low level
mbed_official 126:549ba18ddd81 147 * @retval None
mbed_official 126:549ba18ddd81 148 */
mbed_official 126:549ba18ddd81 149 void BKP_TamperPinLevelConfig(uint16_t BKP_TamperPinLevel)
mbed_official 126:549ba18ddd81 150 {
mbed_official 126:549ba18ddd81 151 /* Check the parameters */
mbed_official 126:549ba18ddd81 152 assert_param(IS_BKP_TAMPER_PIN_LEVEL(BKP_TamperPinLevel));
mbed_official 126:549ba18ddd81 153 *(__IO uint32_t *) CR_TPAL_BB = BKP_TamperPinLevel;
mbed_official 126:549ba18ddd81 154 }
mbed_official 126:549ba18ddd81 155
mbed_official 126:549ba18ddd81 156 /**
mbed_official 126:549ba18ddd81 157 * @brief Enables or disables the Tamper Pin activation.
mbed_official 126:549ba18ddd81 158 * @param NewState: new state of the Tamper Pin activation.
mbed_official 126:549ba18ddd81 159 * This parameter can be: ENABLE or DISABLE.
mbed_official 126:549ba18ddd81 160 * @retval None
mbed_official 126:549ba18ddd81 161 */
mbed_official 126:549ba18ddd81 162 void BKP_TamperPinCmd(FunctionalState NewState)
mbed_official 126:549ba18ddd81 163 {
mbed_official 126:549ba18ddd81 164 /* Check the parameters */
mbed_official 126:549ba18ddd81 165 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 126:549ba18ddd81 166 *(__IO uint32_t *) CR_TPE_BB = (uint32_t)NewState;
mbed_official 126:549ba18ddd81 167 }
mbed_official 126:549ba18ddd81 168
mbed_official 126:549ba18ddd81 169 /**
mbed_official 126:549ba18ddd81 170 * @brief Enables or disables the Tamper Pin Interrupt.
mbed_official 126:549ba18ddd81 171 * @param NewState: new state of the Tamper Pin Interrupt.
mbed_official 126:549ba18ddd81 172 * This parameter can be: ENABLE or DISABLE.
mbed_official 126:549ba18ddd81 173 * @retval None
mbed_official 126:549ba18ddd81 174 */
mbed_official 126:549ba18ddd81 175 void BKP_ITConfig(FunctionalState NewState)
mbed_official 126:549ba18ddd81 176 {
mbed_official 126:549ba18ddd81 177 /* Check the parameters */
mbed_official 126:549ba18ddd81 178 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 126:549ba18ddd81 179 *(__IO uint32_t *) CSR_TPIE_BB = (uint32_t)NewState;
mbed_official 126:549ba18ddd81 180 }
mbed_official 126:549ba18ddd81 181
mbed_official 126:549ba18ddd81 182 /**
mbed_official 126:549ba18ddd81 183 * @brief Select the RTC output source to output on the Tamper pin.
mbed_official 126:549ba18ddd81 184 * @param BKP_RTCOutputSource: specifies the RTC output source.
mbed_official 126:549ba18ddd81 185 * This parameter can be one of the following values:
mbed_official 126:549ba18ddd81 186 * @arg BKP_RTCOutputSource_None: no RTC output on the Tamper pin.
mbed_official 126:549ba18ddd81 187 * @arg BKP_RTCOutputSource_CalibClock: output the RTC clock with frequency
mbed_official 126:549ba18ddd81 188 * divided by 64 on the Tamper pin.
mbed_official 126:549ba18ddd81 189 * @arg BKP_RTCOutputSource_Alarm: output the RTC Alarm pulse signal on
mbed_official 126:549ba18ddd81 190 * the Tamper pin.
mbed_official 126:549ba18ddd81 191 * @arg BKP_RTCOutputSource_Second: output the RTC Second pulse signal on
mbed_official 126:549ba18ddd81 192 * the Tamper pin.
mbed_official 126:549ba18ddd81 193 * @retval None
mbed_official 126:549ba18ddd81 194 */
mbed_official 126:549ba18ddd81 195 void BKP_RTCOutputConfig(uint16_t BKP_RTCOutputSource)
mbed_official 126:549ba18ddd81 196 {
mbed_official 126:549ba18ddd81 197 uint16_t tmpreg = 0;
mbed_official 126:549ba18ddd81 198 /* Check the parameters */
mbed_official 126:549ba18ddd81 199 assert_param(IS_BKP_RTC_OUTPUT_SOURCE(BKP_RTCOutputSource));
mbed_official 126:549ba18ddd81 200 tmpreg = BKP->RTCCR;
mbed_official 126:549ba18ddd81 201 /* Clear CCO, ASOE and ASOS bits */
mbed_official 126:549ba18ddd81 202 tmpreg &= RTCCR_MASK;
mbed_official 126:549ba18ddd81 203
mbed_official 126:549ba18ddd81 204 /* Set CCO, ASOE and ASOS bits according to BKP_RTCOutputSource value */
mbed_official 126:549ba18ddd81 205 tmpreg |= BKP_RTCOutputSource;
mbed_official 126:549ba18ddd81 206 /* Store the new value */
mbed_official 126:549ba18ddd81 207 BKP->RTCCR = tmpreg;
mbed_official 126:549ba18ddd81 208 }
mbed_official 126:549ba18ddd81 209
mbed_official 126:549ba18ddd81 210 /**
mbed_official 126:549ba18ddd81 211 * @brief Sets RTC Clock Calibration value.
mbed_official 126:549ba18ddd81 212 * @param CalibrationValue: specifies the RTC Clock Calibration value.
mbed_official 126:549ba18ddd81 213 * This parameter must be a number between 0 and 0x7F.
mbed_official 126:549ba18ddd81 214 * @retval None
mbed_official 126:549ba18ddd81 215 */
mbed_official 126:549ba18ddd81 216 void BKP_SetRTCCalibrationValue(uint8_t CalibrationValue)
mbed_official 126:549ba18ddd81 217 {
mbed_official 126:549ba18ddd81 218 uint16_t tmpreg = 0;
mbed_official 126:549ba18ddd81 219 /* Check the parameters */
mbed_official 126:549ba18ddd81 220 assert_param(IS_BKP_CALIBRATION_VALUE(CalibrationValue));
mbed_official 126:549ba18ddd81 221 tmpreg = BKP->RTCCR;
mbed_official 126:549ba18ddd81 222 /* Clear CAL[6:0] bits */
mbed_official 126:549ba18ddd81 223 tmpreg &= RTCCR_CAL_MASK;
mbed_official 126:549ba18ddd81 224 /* Set CAL[6:0] bits according to CalibrationValue value */
mbed_official 126:549ba18ddd81 225 tmpreg |= CalibrationValue;
mbed_official 126:549ba18ddd81 226 /* Store the new value */
mbed_official 126:549ba18ddd81 227 BKP->RTCCR = tmpreg;
mbed_official 126:549ba18ddd81 228 }
mbed_official 126:549ba18ddd81 229
mbed_official 126:549ba18ddd81 230 /**
mbed_official 126:549ba18ddd81 231 * @brief Writes user data to the specified Data Backup Register.
mbed_official 126:549ba18ddd81 232 * @param BKP_DR: specifies the Data Backup Register.
mbed_official 126:549ba18ddd81 233 * This parameter can be BKP_DRx where x:[1, 42]
mbed_official 126:549ba18ddd81 234 * @param Data: data to write
mbed_official 126:549ba18ddd81 235 * @retval None
mbed_official 126:549ba18ddd81 236 */
mbed_official 126:549ba18ddd81 237 void BKP_WriteBackupRegister(uint16_t BKP_DR, uint16_t Data)
mbed_official 126:549ba18ddd81 238 {
mbed_official 126:549ba18ddd81 239 __IO uint32_t tmp = 0;
mbed_official 126:549ba18ddd81 240
mbed_official 126:549ba18ddd81 241 /* Check the parameters */
mbed_official 126:549ba18ddd81 242 assert_param(IS_BKP_DR(BKP_DR));
mbed_official 126:549ba18ddd81 243
mbed_official 126:549ba18ddd81 244 tmp = (uint32_t)BKP_BASE;
mbed_official 126:549ba18ddd81 245 tmp += BKP_DR;
mbed_official 126:549ba18ddd81 246
mbed_official 126:549ba18ddd81 247 *(__IO uint32_t *) tmp = Data;
mbed_official 126:549ba18ddd81 248 }
mbed_official 126:549ba18ddd81 249
mbed_official 126:549ba18ddd81 250 /**
mbed_official 126:549ba18ddd81 251 * @brief Reads data from the specified Data Backup Register.
mbed_official 126:549ba18ddd81 252 * @param BKP_DR: specifies the Data Backup Register.
mbed_official 126:549ba18ddd81 253 * This parameter can be BKP_DRx where x:[1, 42]
mbed_official 126:549ba18ddd81 254 * @retval The content of the specified Data Backup Register
mbed_official 126:549ba18ddd81 255 */
mbed_official 126:549ba18ddd81 256 uint16_t BKP_ReadBackupRegister(uint16_t BKP_DR)
mbed_official 126:549ba18ddd81 257 {
mbed_official 126:549ba18ddd81 258 __IO uint32_t tmp = 0;
mbed_official 126:549ba18ddd81 259
mbed_official 126:549ba18ddd81 260 /* Check the parameters */
mbed_official 126:549ba18ddd81 261 assert_param(IS_BKP_DR(BKP_DR));
mbed_official 126:549ba18ddd81 262
mbed_official 126:549ba18ddd81 263 tmp = (uint32_t)BKP_BASE;
mbed_official 126:549ba18ddd81 264 tmp += BKP_DR;
mbed_official 126:549ba18ddd81 265
mbed_official 126:549ba18ddd81 266 return (*(__IO uint16_t *) tmp);
mbed_official 126:549ba18ddd81 267 }
mbed_official 126:549ba18ddd81 268
mbed_official 126:549ba18ddd81 269 /**
mbed_official 126:549ba18ddd81 270 * @brief Checks whether the Tamper Pin Event flag is set or not.
mbed_official 126:549ba18ddd81 271 * @param None
mbed_official 126:549ba18ddd81 272 * @retval The new state of the Tamper Pin Event flag (SET or RESET).
mbed_official 126:549ba18ddd81 273 */
mbed_official 126:549ba18ddd81 274 FlagStatus BKP_GetFlagStatus(void)
mbed_official 126:549ba18ddd81 275 {
mbed_official 126:549ba18ddd81 276 return (FlagStatus)(*(__IO uint32_t *) CSR_TEF_BB);
mbed_official 126:549ba18ddd81 277 }
mbed_official 126:549ba18ddd81 278
mbed_official 126:549ba18ddd81 279 /**
mbed_official 126:549ba18ddd81 280 * @brief Clears Tamper Pin Event pending flag.
mbed_official 126:549ba18ddd81 281 * @param None
mbed_official 126:549ba18ddd81 282 * @retval None
mbed_official 126:549ba18ddd81 283 */
mbed_official 126:549ba18ddd81 284 void BKP_ClearFlag(void)
mbed_official 126:549ba18ddd81 285 {
mbed_official 126:549ba18ddd81 286 /* Set CTE bit to clear Tamper Pin Event flag */
mbed_official 126:549ba18ddd81 287 BKP->CSR |= BKP_CSR_CTE;
mbed_official 126:549ba18ddd81 288 }
mbed_official 126:549ba18ddd81 289
mbed_official 126:549ba18ddd81 290 /**
mbed_official 126:549ba18ddd81 291 * @brief Checks whether the Tamper Pin Interrupt has occurred or not.
mbed_official 126:549ba18ddd81 292 * @param None
mbed_official 126:549ba18ddd81 293 * @retval The new state of the Tamper Pin Interrupt (SET or RESET).
mbed_official 126:549ba18ddd81 294 */
mbed_official 126:549ba18ddd81 295 ITStatus BKP_GetITStatus(void)
mbed_official 126:549ba18ddd81 296 {
mbed_official 126:549ba18ddd81 297 return (ITStatus)(*(__IO uint32_t *) CSR_TIF_BB);
mbed_official 126:549ba18ddd81 298 }
mbed_official 126:549ba18ddd81 299
mbed_official 126:549ba18ddd81 300 /**
mbed_official 126:549ba18ddd81 301 * @brief Clears Tamper Pin Interrupt pending bit.
mbed_official 126:549ba18ddd81 302 * @param None
mbed_official 126:549ba18ddd81 303 * @retval None
mbed_official 126:549ba18ddd81 304 */
mbed_official 126:549ba18ddd81 305 void BKP_ClearITPendingBit(void)
mbed_official 126:549ba18ddd81 306 {
mbed_official 126:549ba18ddd81 307 /* Set CTI bit to clear Tamper Pin Interrupt pending bit */
mbed_official 126:549ba18ddd81 308 BKP->CSR |= BKP_CSR_CTI;
mbed_official 126:549ba18ddd81 309 }
mbed_official 126:549ba18ddd81 310
mbed_official 126:549ba18ddd81 311 /**
mbed_official 126:549ba18ddd81 312 * @}
mbed_official 126:549ba18ddd81 313 */
mbed_official 126:549ba18ddd81 314
mbed_official 126:549ba18ddd81 315 /**
mbed_official 126:549ba18ddd81 316 * @}
mbed_official 126:549ba18ddd81 317 */
mbed_official 126:549ba18ddd81 318
mbed_official 126:549ba18ddd81 319 /**
mbed_official 126:549ba18ddd81 320 * @}
mbed_official 126:549ba18ddd81 321 */
mbed_official 126:549ba18ddd81 322
mbed_official 126:549ba18ddd81 323 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/