mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
targets/cmsis/TARGET_STM/TARGET_NUCLEO_F103RB/stm32f10x_bkp.c@52:a51c77007319, 2013-12-02 (annotated)
- Committer:
- mbed_official
- Date:
- Mon Dec 02 11:30:05 2013 +0000
- Revision:
- 52:a51c77007319
- Child:
- 70:c1fbde68b492
Synchronized with git revision 49df530ae72ce97ccc773d1f2c13b38e868e6abd
Full URL: https://github.com/mbedmicro/mbed/commit/49df530ae72ce97ccc773d1f2c13b38e868e6abd/
Add STMicroelectronics NUCLEO_F103RB target
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 52:a51c77007319 | 1 | /** |
mbed_official | 52:a51c77007319 | 2 | ****************************************************************************** |
mbed_official | 52:a51c77007319 | 3 | * @file stm32f10x_bkp.c |
mbed_official | 52:a51c77007319 | 4 | * @author MCD Application Team |
mbed_official | 52:a51c77007319 | 5 | * @version V3.5.0 |
mbed_official | 52:a51c77007319 | 6 | * @date 11-March-2011 |
mbed_official | 52:a51c77007319 | 7 | * @brief This file provides all the BKP firmware functions. |
mbed_official | 52:a51c77007319 | 8 | ****************************************************************************** |
mbed_official | 52:a51c77007319 | 9 | * @attention |
mbed_official | 52:a51c77007319 | 10 | * |
mbed_official | 52:a51c77007319 | 11 | * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS |
mbed_official | 52:a51c77007319 | 12 | * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE |
mbed_official | 52:a51c77007319 | 13 | * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY |
mbed_official | 52:a51c77007319 | 14 | * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING |
mbed_official | 52:a51c77007319 | 15 | * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE |
mbed_official | 52:a51c77007319 | 16 | * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
mbed_official | 52:a51c77007319 | 17 | * |
mbed_official | 52:a51c77007319 | 18 | * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> |
mbed_official | 52:a51c77007319 | 19 | ****************************************************************************** |
mbed_official | 52:a51c77007319 | 20 | */ |
mbed_official | 52:a51c77007319 | 21 | |
mbed_official | 52:a51c77007319 | 22 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 52:a51c77007319 | 23 | #include "stm32f10x_bkp.h" |
mbed_official | 52:a51c77007319 | 24 | #include "stm32f10x_rcc.h" |
mbed_official | 52:a51c77007319 | 25 | |
mbed_official | 52:a51c77007319 | 26 | /** @addtogroup STM32F10x_StdPeriph_Driver |
mbed_official | 52:a51c77007319 | 27 | * @{ |
mbed_official | 52:a51c77007319 | 28 | */ |
mbed_official | 52:a51c77007319 | 29 | |
mbed_official | 52:a51c77007319 | 30 | /** @defgroup BKP |
mbed_official | 52:a51c77007319 | 31 | * @brief BKP driver modules |
mbed_official | 52:a51c77007319 | 32 | * @{ |
mbed_official | 52:a51c77007319 | 33 | */ |
mbed_official | 52:a51c77007319 | 34 | |
mbed_official | 52:a51c77007319 | 35 | /** @defgroup BKP_Private_TypesDefinitions |
mbed_official | 52:a51c77007319 | 36 | * @{ |
mbed_official | 52:a51c77007319 | 37 | */ |
mbed_official | 52:a51c77007319 | 38 | |
mbed_official | 52:a51c77007319 | 39 | /** |
mbed_official | 52:a51c77007319 | 40 | * @} |
mbed_official | 52:a51c77007319 | 41 | */ |
mbed_official | 52:a51c77007319 | 42 | |
mbed_official | 52:a51c77007319 | 43 | /** @defgroup BKP_Private_Defines |
mbed_official | 52:a51c77007319 | 44 | * @{ |
mbed_official | 52:a51c77007319 | 45 | */ |
mbed_official | 52:a51c77007319 | 46 | |
mbed_official | 52:a51c77007319 | 47 | /* ------------ BKP registers bit address in the alias region --------------- */ |
mbed_official | 52:a51c77007319 | 48 | #define BKP_OFFSET (BKP_BASE - PERIPH_BASE) |
mbed_official | 52:a51c77007319 | 49 | |
mbed_official | 52:a51c77007319 | 50 | /* --- CR Register ----*/ |
mbed_official | 52:a51c77007319 | 51 | |
mbed_official | 52:a51c77007319 | 52 | /* Alias word address of TPAL bit */ |
mbed_official | 52:a51c77007319 | 53 | #define CR_OFFSET (BKP_OFFSET + 0x30) |
mbed_official | 52:a51c77007319 | 54 | #define TPAL_BitNumber 0x01 |
mbed_official | 52:a51c77007319 | 55 | #define CR_TPAL_BB (PERIPH_BB_BASE + (CR_OFFSET * 32) + (TPAL_BitNumber * 4)) |
mbed_official | 52:a51c77007319 | 56 | |
mbed_official | 52:a51c77007319 | 57 | /* Alias word address of TPE bit */ |
mbed_official | 52:a51c77007319 | 58 | #define TPE_BitNumber 0x00 |
mbed_official | 52:a51c77007319 | 59 | #define CR_TPE_BB (PERIPH_BB_BASE + (CR_OFFSET * 32) + (TPE_BitNumber * 4)) |
mbed_official | 52:a51c77007319 | 60 | |
mbed_official | 52:a51c77007319 | 61 | /* --- CSR Register ---*/ |
mbed_official | 52:a51c77007319 | 62 | |
mbed_official | 52:a51c77007319 | 63 | /* Alias word address of TPIE bit */ |
mbed_official | 52:a51c77007319 | 64 | #define CSR_OFFSET (BKP_OFFSET + 0x34) |
mbed_official | 52:a51c77007319 | 65 | #define TPIE_BitNumber 0x02 |
mbed_official | 52:a51c77007319 | 66 | #define CSR_TPIE_BB (PERIPH_BB_BASE + (CSR_OFFSET * 32) + (TPIE_BitNumber * 4)) |
mbed_official | 52:a51c77007319 | 67 | |
mbed_official | 52:a51c77007319 | 68 | /* Alias word address of TIF bit */ |
mbed_official | 52:a51c77007319 | 69 | #define TIF_BitNumber 0x09 |
mbed_official | 52:a51c77007319 | 70 | #define CSR_TIF_BB (PERIPH_BB_BASE + (CSR_OFFSET * 32) + (TIF_BitNumber * 4)) |
mbed_official | 52:a51c77007319 | 71 | |
mbed_official | 52:a51c77007319 | 72 | /* Alias word address of TEF bit */ |
mbed_official | 52:a51c77007319 | 73 | #define TEF_BitNumber 0x08 |
mbed_official | 52:a51c77007319 | 74 | #define CSR_TEF_BB (PERIPH_BB_BASE + (CSR_OFFSET * 32) + (TEF_BitNumber * 4)) |
mbed_official | 52:a51c77007319 | 75 | |
mbed_official | 52:a51c77007319 | 76 | /* ---------------------- BKP registers bit mask ------------------------ */ |
mbed_official | 52:a51c77007319 | 77 | |
mbed_official | 52:a51c77007319 | 78 | /* RTCCR register bit mask */ |
mbed_official | 52:a51c77007319 | 79 | #define RTCCR_CAL_MASK ((uint16_t)0xFF80) |
mbed_official | 52:a51c77007319 | 80 | #define RTCCR_MASK ((uint16_t)0xFC7F) |
mbed_official | 52:a51c77007319 | 81 | |
mbed_official | 52:a51c77007319 | 82 | /** |
mbed_official | 52:a51c77007319 | 83 | * @} |
mbed_official | 52:a51c77007319 | 84 | */ |
mbed_official | 52:a51c77007319 | 85 | |
mbed_official | 52:a51c77007319 | 86 | |
mbed_official | 52:a51c77007319 | 87 | /** @defgroup BKP_Private_Macros |
mbed_official | 52:a51c77007319 | 88 | * @{ |
mbed_official | 52:a51c77007319 | 89 | */ |
mbed_official | 52:a51c77007319 | 90 | |
mbed_official | 52:a51c77007319 | 91 | /** |
mbed_official | 52:a51c77007319 | 92 | * @} |
mbed_official | 52:a51c77007319 | 93 | */ |
mbed_official | 52:a51c77007319 | 94 | |
mbed_official | 52:a51c77007319 | 95 | /** @defgroup BKP_Private_Variables |
mbed_official | 52:a51c77007319 | 96 | * @{ |
mbed_official | 52:a51c77007319 | 97 | */ |
mbed_official | 52:a51c77007319 | 98 | |
mbed_official | 52:a51c77007319 | 99 | /** |
mbed_official | 52:a51c77007319 | 100 | * @} |
mbed_official | 52:a51c77007319 | 101 | */ |
mbed_official | 52:a51c77007319 | 102 | |
mbed_official | 52:a51c77007319 | 103 | /** @defgroup BKP_Private_FunctionPrototypes |
mbed_official | 52:a51c77007319 | 104 | * @{ |
mbed_official | 52:a51c77007319 | 105 | */ |
mbed_official | 52:a51c77007319 | 106 | |
mbed_official | 52:a51c77007319 | 107 | /** |
mbed_official | 52:a51c77007319 | 108 | * @} |
mbed_official | 52:a51c77007319 | 109 | */ |
mbed_official | 52:a51c77007319 | 110 | |
mbed_official | 52:a51c77007319 | 111 | /** @defgroup BKP_Private_Functions |
mbed_official | 52:a51c77007319 | 112 | * @{ |
mbed_official | 52:a51c77007319 | 113 | */ |
mbed_official | 52:a51c77007319 | 114 | |
mbed_official | 52:a51c77007319 | 115 | /** |
mbed_official | 52:a51c77007319 | 116 | * @brief Deinitializes the BKP peripheral registers to their default reset values. |
mbed_official | 52:a51c77007319 | 117 | * @param None |
mbed_official | 52:a51c77007319 | 118 | * @retval None |
mbed_official | 52:a51c77007319 | 119 | */ |
mbed_official | 52:a51c77007319 | 120 | void BKP_DeInit(void) |
mbed_official | 52:a51c77007319 | 121 | { |
mbed_official | 52:a51c77007319 | 122 | RCC_BackupResetCmd(ENABLE); |
mbed_official | 52:a51c77007319 | 123 | RCC_BackupResetCmd(DISABLE); |
mbed_official | 52:a51c77007319 | 124 | } |
mbed_official | 52:a51c77007319 | 125 | |
mbed_official | 52:a51c77007319 | 126 | /** |
mbed_official | 52:a51c77007319 | 127 | * @brief Configures the Tamper Pin active level. |
mbed_official | 52:a51c77007319 | 128 | * @param BKP_TamperPinLevel: specifies the Tamper Pin active level. |
mbed_official | 52:a51c77007319 | 129 | * This parameter can be one of the following values: |
mbed_official | 52:a51c77007319 | 130 | * @arg BKP_TamperPinLevel_High: Tamper pin active on high level |
mbed_official | 52:a51c77007319 | 131 | * @arg BKP_TamperPinLevel_Low: Tamper pin active on low level |
mbed_official | 52:a51c77007319 | 132 | * @retval None |
mbed_official | 52:a51c77007319 | 133 | */ |
mbed_official | 52:a51c77007319 | 134 | void BKP_TamperPinLevelConfig(uint16_t BKP_TamperPinLevel) |
mbed_official | 52:a51c77007319 | 135 | { |
mbed_official | 52:a51c77007319 | 136 | /* Check the parameters */ |
mbed_official | 52:a51c77007319 | 137 | assert_param(IS_BKP_TAMPER_PIN_LEVEL(BKP_TamperPinLevel)); |
mbed_official | 52:a51c77007319 | 138 | *(__IO uint32_t *) CR_TPAL_BB = BKP_TamperPinLevel; |
mbed_official | 52:a51c77007319 | 139 | } |
mbed_official | 52:a51c77007319 | 140 | |
mbed_official | 52:a51c77007319 | 141 | /** |
mbed_official | 52:a51c77007319 | 142 | * @brief Enables or disables the Tamper Pin activation. |
mbed_official | 52:a51c77007319 | 143 | * @param NewState: new state of the Tamper Pin activation. |
mbed_official | 52:a51c77007319 | 144 | * This parameter can be: ENABLE or DISABLE. |
mbed_official | 52:a51c77007319 | 145 | * @retval None |
mbed_official | 52:a51c77007319 | 146 | */ |
mbed_official | 52:a51c77007319 | 147 | void BKP_TamperPinCmd(FunctionalState NewState) |
mbed_official | 52:a51c77007319 | 148 | { |
mbed_official | 52:a51c77007319 | 149 | /* Check the parameters */ |
mbed_official | 52:a51c77007319 | 150 | assert_param(IS_FUNCTIONAL_STATE(NewState)); |
mbed_official | 52:a51c77007319 | 151 | *(__IO uint32_t *) CR_TPE_BB = (uint32_t)NewState; |
mbed_official | 52:a51c77007319 | 152 | } |
mbed_official | 52:a51c77007319 | 153 | |
mbed_official | 52:a51c77007319 | 154 | /** |
mbed_official | 52:a51c77007319 | 155 | * @brief Enables or disables the Tamper Pin Interrupt. |
mbed_official | 52:a51c77007319 | 156 | * @param NewState: new state of the Tamper Pin Interrupt. |
mbed_official | 52:a51c77007319 | 157 | * This parameter can be: ENABLE or DISABLE. |
mbed_official | 52:a51c77007319 | 158 | * @retval None |
mbed_official | 52:a51c77007319 | 159 | */ |
mbed_official | 52:a51c77007319 | 160 | void BKP_ITConfig(FunctionalState NewState) |
mbed_official | 52:a51c77007319 | 161 | { |
mbed_official | 52:a51c77007319 | 162 | /* Check the parameters */ |
mbed_official | 52:a51c77007319 | 163 | assert_param(IS_FUNCTIONAL_STATE(NewState)); |
mbed_official | 52:a51c77007319 | 164 | *(__IO uint32_t *) CSR_TPIE_BB = (uint32_t)NewState; |
mbed_official | 52:a51c77007319 | 165 | } |
mbed_official | 52:a51c77007319 | 166 | |
mbed_official | 52:a51c77007319 | 167 | /** |
mbed_official | 52:a51c77007319 | 168 | * @brief Select the RTC output source to output on the Tamper pin. |
mbed_official | 52:a51c77007319 | 169 | * @param BKP_RTCOutputSource: specifies the RTC output source. |
mbed_official | 52:a51c77007319 | 170 | * This parameter can be one of the following values: |
mbed_official | 52:a51c77007319 | 171 | * @arg BKP_RTCOutputSource_None: no RTC output on the Tamper pin. |
mbed_official | 52:a51c77007319 | 172 | * @arg BKP_RTCOutputSource_CalibClock: output the RTC clock with frequency |
mbed_official | 52:a51c77007319 | 173 | * divided by 64 on the Tamper pin. |
mbed_official | 52:a51c77007319 | 174 | * @arg BKP_RTCOutputSource_Alarm: output the RTC Alarm pulse signal on |
mbed_official | 52:a51c77007319 | 175 | * the Tamper pin. |
mbed_official | 52:a51c77007319 | 176 | * @arg BKP_RTCOutputSource_Second: output the RTC Second pulse signal on |
mbed_official | 52:a51c77007319 | 177 | * the Tamper pin. |
mbed_official | 52:a51c77007319 | 178 | * @retval None |
mbed_official | 52:a51c77007319 | 179 | */ |
mbed_official | 52:a51c77007319 | 180 | void BKP_RTCOutputConfig(uint16_t BKP_RTCOutputSource) |
mbed_official | 52:a51c77007319 | 181 | { |
mbed_official | 52:a51c77007319 | 182 | uint16_t tmpreg = 0; |
mbed_official | 52:a51c77007319 | 183 | /* Check the parameters */ |
mbed_official | 52:a51c77007319 | 184 | assert_param(IS_BKP_RTC_OUTPUT_SOURCE(BKP_RTCOutputSource)); |
mbed_official | 52:a51c77007319 | 185 | tmpreg = BKP->RTCCR; |
mbed_official | 52:a51c77007319 | 186 | /* Clear CCO, ASOE and ASOS bits */ |
mbed_official | 52:a51c77007319 | 187 | tmpreg &= RTCCR_MASK; |
mbed_official | 52:a51c77007319 | 188 | |
mbed_official | 52:a51c77007319 | 189 | /* Set CCO, ASOE and ASOS bits according to BKP_RTCOutputSource value */ |
mbed_official | 52:a51c77007319 | 190 | tmpreg |= BKP_RTCOutputSource; |
mbed_official | 52:a51c77007319 | 191 | /* Store the new value */ |
mbed_official | 52:a51c77007319 | 192 | BKP->RTCCR = tmpreg; |
mbed_official | 52:a51c77007319 | 193 | } |
mbed_official | 52:a51c77007319 | 194 | |
mbed_official | 52:a51c77007319 | 195 | /** |
mbed_official | 52:a51c77007319 | 196 | * @brief Sets RTC Clock Calibration value. |
mbed_official | 52:a51c77007319 | 197 | * @param CalibrationValue: specifies the RTC Clock Calibration value. |
mbed_official | 52:a51c77007319 | 198 | * This parameter must be a number between 0 and 0x7F. |
mbed_official | 52:a51c77007319 | 199 | * @retval None |
mbed_official | 52:a51c77007319 | 200 | */ |
mbed_official | 52:a51c77007319 | 201 | void BKP_SetRTCCalibrationValue(uint8_t CalibrationValue) |
mbed_official | 52:a51c77007319 | 202 | { |
mbed_official | 52:a51c77007319 | 203 | uint16_t tmpreg = 0; |
mbed_official | 52:a51c77007319 | 204 | /* Check the parameters */ |
mbed_official | 52:a51c77007319 | 205 | assert_param(IS_BKP_CALIBRATION_VALUE(CalibrationValue)); |
mbed_official | 52:a51c77007319 | 206 | tmpreg = BKP->RTCCR; |
mbed_official | 52:a51c77007319 | 207 | /* Clear CAL[6:0] bits */ |
mbed_official | 52:a51c77007319 | 208 | tmpreg &= RTCCR_CAL_MASK; |
mbed_official | 52:a51c77007319 | 209 | /* Set CAL[6:0] bits according to CalibrationValue value */ |
mbed_official | 52:a51c77007319 | 210 | tmpreg |= CalibrationValue; |
mbed_official | 52:a51c77007319 | 211 | /* Store the new value */ |
mbed_official | 52:a51c77007319 | 212 | BKP->RTCCR = tmpreg; |
mbed_official | 52:a51c77007319 | 213 | } |
mbed_official | 52:a51c77007319 | 214 | |
mbed_official | 52:a51c77007319 | 215 | /** |
mbed_official | 52:a51c77007319 | 216 | * @brief Writes user data to the specified Data Backup Register. |
mbed_official | 52:a51c77007319 | 217 | * @param BKP_DR: specifies the Data Backup Register. |
mbed_official | 52:a51c77007319 | 218 | * This parameter can be BKP_DRx where x:[1, 42] |
mbed_official | 52:a51c77007319 | 219 | * @param Data: data to write |
mbed_official | 52:a51c77007319 | 220 | * @retval None |
mbed_official | 52:a51c77007319 | 221 | */ |
mbed_official | 52:a51c77007319 | 222 | void BKP_WriteBackupRegister(uint16_t BKP_DR, uint16_t Data) |
mbed_official | 52:a51c77007319 | 223 | { |
mbed_official | 52:a51c77007319 | 224 | __IO uint32_t tmp = 0; |
mbed_official | 52:a51c77007319 | 225 | |
mbed_official | 52:a51c77007319 | 226 | /* Check the parameters */ |
mbed_official | 52:a51c77007319 | 227 | assert_param(IS_BKP_DR(BKP_DR)); |
mbed_official | 52:a51c77007319 | 228 | |
mbed_official | 52:a51c77007319 | 229 | tmp = (uint32_t)BKP_BASE; |
mbed_official | 52:a51c77007319 | 230 | tmp += BKP_DR; |
mbed_official | 52:a51c77007319 | 231 | |
mbed_official | 52:a51c77007319 | 232 | *(__IO uint32_t *) tmp = Data; |
mbed_official | 52:a51c77007319 | 233 | } |
mbed_official | 52:a51c77007319 | 234 | |
mbed_official | 52:a51c77007319 | 235 | /** |
mbed_official | 52:a51c77007319 | 236 | * @brief Reads data from the specified Data Backup Register. |
mbed_official | 52:a51c77007319 | 237 | * @param BKP_DR: specifies the Data Backup Register. |
mbed_official | 52:a51c77007319 | 238 | * This parameter can be BKP_DRx where x:[1, 42] |
mbed_official | 52:a51c77007319 | 239 | * @retval The content of the specified Data Backup Register |
mbed_official | 52:a51c77007319 | 240 | */ |
mbed_official | 52:a51c77007319 | 241 | uint16_t BKP_ReadBackupRegister(uint16_t BKP_DR) |
mbed_official | 52:a51c77007319 | 242 | { |
mbed_official | 52:a51c77007319 | 243 | __IO uint32_t tmp = 0; |
mbed_official | 52:a51c77007319 | 244 | |
mbed_official | 52:a51c77007319 | 245 | /* Check the parameters */ |
mbed_official | 52:a51c77007319 | 246 | assert_param(IS_BKP_DR(BKP_DR)); |
mbed_official | 52:a51c77007319 | 247 | |
mbed_official | 52:a51c77007319 | 248 | tmp = (uint32_t)BKP_BASE; |
mbed_official | 52:a51c77007319 | 249 | tmp += BKP_DR; |
mbed_official | 52:a51c77007319 | 250 | |
mbed_official | 52:a51c77007319 | 251 | return (*(__IO uint16_t *) tmp); |
mbed_official | 52:a51c77007319 | 252 | } |
mbed_official | 52:a51c77007319 | 253 | |
mbed_official | 52:a51c77007319 | 254 | /** |
mbed_official | 52:a51c77007319 | 255 | * @brief Checks whether the Tamper Pin Event flag is set or not. |
mbed_official | 52:a51c77007319 | 256 | * @param None |
mbed_official | 52:a51c77007319 | 257 | * @retval The new state of the Tamper Pin Event flag (SET or RESET). |
mbed_official | 52:a51c77007319 | 258 | */ |
mbed_official | 52:a51c77007319 | 259 | FlagStatus BKP_GetFlagStatus(void) |
mbed_official | 52:a51c77007319 | 260 | { |
mbed_official | 52:a51c77007319 | 261 | return (FlagStatus)(*(__IO uint32_t *) CSR_TEF_BB); |
mbed_official | 52:a51c77007319 | 262 | } |
mbed_official | 52:a51c77007319 | 263 | |
mbed_official | 52:a51c77007319 | 264 | /** |
mbed_official | 52:a51c77007319 | 265 | * @brief Clears Tamper Pin Event pending flag. |
mbed_official | 52:a51c77007319 | 266 | * @param None |
mbed_official | 52:a51c77007319 | 267 | * @retval None |
mbed_official | 52:a51c77007319 | 268 | */ |
mbed_official | 52:a51c77007319 | 269 | void BKP_ClearFlag(void) |
mbed_official | 52:a51c77007319 | 270 | { |
mbed_official | 52:a51c77007319 | 271 | /* Set CTE bit to clear Tamper Pin Event flag */ |
mbed_official | 52:a51c77007319 | 272 | BKP->CSR |= BKP_CSR_CTE; |
mbed_official | 52:a51c77007319 | 273 | } |
mbed_official | 52:a51c77007319 | 274 | |
mbed_official | 52:a51c77007319 | 275 | /** |
mbed_official | 52:a51c77007319 | 276 | * @brief Checks whether the Tamper Pin Interrupt has occurred or not. |
mbed_official | 52:a51c77007319 | 277 | * @param None |
mbed_official | 52:a51c77007319 | 278 | * @retval The new state of the Tamper Pin Interrupt (SET or RESET). |
mbed_official | 52:a51c77007319 | 279 | */ |
mbed_official | 52:a51c77007319 | 280 | ITStatus BKP_GetITStatus(void) |
mbed_official | 52:a51c77007319 | 281 | { |
mbed_official | 52:a51c77007319 | 282 | return (ITStatus)(*(__IO uint32_t *) CSR_TIF_BB); |
mbed_official | 52:a51c77007319 | 283 | } |
mbed_official | 52:a51c77007319 | 284 | |
mbed_official | 52:a51c77007319 | 285 | /** |
mbed_official | 52:a51c77007319 | 286 | * @brief Clears Tamper Pin Interrupt pending bit. |
mbed_official | 52:a51c77007319 | 287 | * @param None |
mbed_official | 52:a51c77007319 | 288 | * @retval None |
mbed_official | 52:a51c77007319 | 289 | */ |
mbed_official | 52:a51c77007319 | 290 | void BKP_ClearITPendingBit(void) |
mbed_official | 52:a51c77007319 | 291 | { |
mbed_official | 52:a51c77007319 | 292 | /* Set CTI bit to clear Tamper Pin Interrupt pending bit */ |
mbed_official | 52:a51c77007319 | 293 | BKP->CSR |= BKP_CSR_CTI; |
mbed_official | 52:a51c77007319 | 294 | } |
mbed_official | 52:a51c77007319 | 295 | |
mbed_official | 52:a51c77007319 | 296 | /** |
mbed_official | 52:a51c77007319 | 297 | * @} |
mbed_official | 52:a51c77007319 | 298 | */ |
mbed_official | 52:a51c77007319 | 299 | |
mbed_official | 52:a51c77007319 | 300 | /** |
mbed_official | 52:a51c77007319 | 301 | * @} |
mbed_official | 52:a51c77007319 | 302 | */ |
mbed_official | 52:a51c77007319 | 303 | |
mbed_official | 52:a51c77007319 | 304 | /** |
mbed_official | 52:a51c77007319 | 305 | * @} |
mbed_official | 52:a51c77007319 | 306 | */ |
mbed_official | 52:a51c77007319 | 307 | |
mbed_official | 52:a51c77007319 | 308 | /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |