copy from src/bare_test/stm32_key/fwlib/src/stm32f10x_rtc.c
copy to src/bare_test/2.Key/stdlib/src/stm32f10x_rtc.c
File was copied from src/bare_test/stm32_key/fwlib/src/stm32f10x_rtc.c |
| | |
| | | /**
|
| | | ******************************************************************************
|
| | | * @file stm32f10x_rtc.c
|
| | | * @author MCD Application Team
|
| | | * @version V3.5.0
|
| | | * @date 11-March-2011
|
| | | * @brief This file provides all the RTC firmware functions.
|
| | | ******************************************************************************
|
| | | * @attention
|
| | | *
|
| | | * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
|
| | | * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
|
| | | * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
|
| | | * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
|
| | | * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
|
| | | * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
|
| | | *
|
| | | * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
|
| | | ******************************************************************************
|
| | | */
|
| | |
|
| | | /* Includes ------------------------------------------------------------------*/
|
| | | #include "stm32f10x_rtc.h"
|
| | |
|
| | | /** @addtogroup STM32F10x_StdPeriph_Driver
|
| | | * @{
|
| | | */
|
| | |
|
| | | /** @defgroup RTC |
| | | * @brief RTC driver modules
|
| | | * @{
|
| | | */
|
| | |
|
| | | /** @defgroup RTC_Private_TypesDefinitions
|
| | | * @{
|
| | | */ |
| | | /**
|
| | | * @}
|
| | | */
|
| | |
|
| | | /** @defgroup RTC_Private_Defines
|
| | | * @{
|
| | | */
|
| | | #define RTC_LSB_MASK ((uint32_t)0x0000FFFF) /*!< RTC LSB Mask */
|
| | | #define PRLH_MSB_MASK ((uint32_t)0x000F0000) /*!< RTC Prescaler MSB Mask */
|
| | |
|
| | | /**
|
| | | * @}
|
| | | */
|
| | |
|
| | | /** @defgroup RTC_Private_Macros
|
| | | * @{
|
| | | */
|
| | |
|
| | | /**
|
| | | * @}
|
| | | */
|
| | |
|
| | | /** @defgroup RTC_Private_Variables
|
| | | * @{
|
| | | */
|
| | |
|
| | | /**
|
| | | * @}
|
| | | */
|
| | |
|
| | | /** @defgroup RTC_Private_FunctionPrototypes
|
| | | * @{
|
| | | */
|
| | |
|
| | | /**
|
| | | * @}
|
| | | */
|
| | |
|
| | | /** @defgroup RTC_Private_Functions
|
| | | * @{
|
| | | */
|
| | |
|
| | | /**
|
| | | * @brief Enables or disables the specified RTC interrupts.
|
| | | * @param RTC_IT: specifies the RTC interrupts sources to be enabled or disabled.
|
| | | * This parameter can be any combination of the following values:
|
| | | * @arg RTC_IT_OW: Overflow interrupt
|
| | | * @arg RTC_IT_ALR: Alarm interrupt
|
| | | * @arg RTC_IT_SEC: Second interrupt
|
| | | * @param NewState: new state of the specified RTC interrupts.
|
| | | * This parameter can be: ENABLE or DISABLE.
|
| | | * @retval None
|
| | | */
|
| | | void RTC_ITConfig(uint16_t RTC_IT, FunctionalState NewState)
|
| | | {
|
| | | /* Check the parameters */
|
| | | assert_param(IS_RTC_IT(RTC_IT)); |
| | | assert_param(IS_FUNCTIONAL_STATE(NewState));
|
| | | |
| | | if (NewState != DISABLE)
|
| | | {
|
| | | RTC->CRH |= RTC_IT;
|
| | | }
|
| | | else
|
| | | {
|
| | | RTC->CRH &= (uint16_t)~RTC_IT;
|
| | | }
|
| | | }
|
| | |
|
| | | /**
|
| | | * @brief Enters the RTC configuration mode.
|
| | | * @param None
|
| | | * @retval None
|
| | | */
|
| | | void RTC_EnterConfigMode(void)
|
| | | {
|
| | | /* Set the CNF flag to enter in the Configuration Mode */
|
| | | RTC->CRL |= RTC_CRL_CNF;
|
| | | }
|
| | |
|
| | | /**
|
| | | * @brief Exits from the RTC configuration mode.
|
| | | * @param None
|
| | | * @retval None
|
| | | */
|
| | | void RTC_ExitConfigMode(void)
|
| | | {
|
| | | /* Reset the CNF flag to exit from the Configuration Mode */
|
| | | RTC->CRL &= (uint16_t)~((uint16_t)RTC_CRL_CNF); |
| | | }
|
| | |
|
| | | /**
|
| | | * @brief Gets the RTC counter value.
|
| | | * @param None
|
| | | * @retval RTC counter value.
|
| | | */
|
| | | uint32_t RTC_GetCounter(void)
|
| | | {
|
| | | uint16_t tmp = 0;
|
| | | tmp = RTC->CNTL;
|
| | | return (((uint32_t)RTC->CNTH << 16 ) | tmp) ;
|
| | | }
|
| | |
|
| | | /**
|
| | | * @brief Sets the RTC counter value.
|
| | | * @param CounterValue: RTC counter new value.
|
| | | * @retval None
|
| | | */
|
| | | void RTC_SetCounter(uint32_t CounterValue)
|
| | | { |
| | | RTC_EnterConfigMode();
|
| | | /* Set RTC COUNTER MSB word */
|
| | | RTC->CNTH = CounterValue >> 16;
|
| | | /* Set RTC COUNTER LSB word */
|
| | | RTC->CNTL = (CounterValue & RTC_LSB_MASK);
|
| | | RTC_ExitConfigMode();
|
| | | }
|
| | |
|
| | | /**
|
| | | * @brief Sets the RTC prescaler value.
|
| | | * @param PrescalerValue: RTC prescaler new value.
|
| | | * @retval None
|
| | | */
|
| | | void RTC_SetPrescaler(uint32_t PrescalerValue)
|
| | | {
|
| | | /* Check the parameters */
|
| | | assert_param(IS_RTC_PRESCALER(PrescalerValue));
|
| | | |
| | | RTC_EnterConfigMode();
|
| | | /* Set RTC PRESCALER MSB word */
|
| | | RTC->PRLH = (PrescalerValue & PRLH_MSB_MASK) >> 16;
|
| | | /* Set RTC PRESCALER LSB word */
|
| | | RTC->PRLL = (PrescalerValue & RTC_LSB_MASK);
|
| | | RTC_ExitConfigMode();
|
| | | }
|
| | |
|
| | | /**
|
| | | * @brief Sets the RTC alarm value.
|
| | | * @param AlarmValue: RTC alarm new value.
|
| | | * @retval None
|
| | | */
|
| | | void RTC_SetAlarm(uint32_t AlarmValue)
|
| | | { |
| | | RTC_EnterConfigMode();
|
| | | /* Set the ALARM MSB word */
|
| | | RTC->ALRH = AlarmValue >> 16;
|
| | | /* Set the ALARM LSB word */
|
| | | RTC->ALRL = (AlarmValue & RTC_LSB_MASK);
|
| | | RTC_ExitConfigMode();
|
| | | }
|
| | |
|
| | | /**
|
| | | * @brief Gets the RTC divider value.
|
| | | * @param None
|
| | | * @retval RTC Divider value.
|
| | | */
|
| | | uint32_t RTC_GetDivider(void)
|
| | | {
|
| | | uint32_t tmp = 0x00;
|
| | | tmp = ((uint32_t)RTC->DIVH & (uint32_t)0x000F) << 16;
|
| | | tmp |= RTC->DIVL;
|
| | | return tmp;
|
| | | }
|
| | |
|
| | | /**
|
| | | * @brief Waits until last write operation on RTC registers has finished.
|
| | | * @note This function must be called before any write to RTC registers.
|
| | | * @param None
|
| | | * @retval None
|
| | | */
|
| | | void RTC_WaitForLastTask(void)
|
| | | {
|
| | | /* Loop until RTOFF flag is set */
|
| | | while ((RTC->CRL & RTC_FLAG_RTOFF) == (uint16_t)RESET)
|
| | | {
|
| | | }
|
| | | }
|
| | |
|
| | | /**
|
| | | * @brief Waits until the RTC registers (RTC_CNT, RTC_ALR and RTC_PRL)
|
| | | * are synchronized with RTC APB clock.
|
| | | * @note This function must be called before any read operation after an APB reset
|
| | | * or an APB clock stop.
|
| | | * @param None
|
| | | * @retval None
|
| | | */
|
| | | void RTC_WaitForSynchro(void)
|
| | | {
|
| | | /* Clear RSF flag */
|
| | | RTC->CRL &= (uint16_t)~RTC_FLAG_RSF;
|
| | | /* Loop until RSF flag is set */
|
| | | while ((RTC->CRL & RTC_FLAG_RSF) == (uint16_t)RESET)
|
| | | {
|
| | | }
|
| | | }
|
| | |
|
| | | /**
|
| | | * @brief Checks whether the specified RTC flag is set or not.
|
| | | * @param RTC_FLAG: specifies the flag to check.
|
| | | * This parameter can be one the following values:
|
| | | * @arg RTC_FLAG_RTOFF: RTC Operation OFF flag
|
| | | * @arg RTC_FLAG_RSF: Registers Synchronized flag
|
| | | * @arg RTC_FLAG_OW: Overflow flag
|
| | | * @arg RTC_FLAG_ALR: Alarm flag
|
| | | * @arg RTC_FLAG_SEC: Second flag
|
| | | * @retval The new state of RTC_FLAG (SET or RESET).
|
| | | */
|
| | | FlagStatus RTC_GetFlagStatus(uint16_t RTC_FLAG)
|
| | | {
|
| | | FlagStatus bitstatus = RESET;
|
| | | |
| | | /* Check the parameters */
|
| | | assert_param(IS_RTC_GET_FLAG(RTC_FLAG)); |
| | | |
| | | if ((RTC->CRL & RTC_FLAG) != (uint16_t)RESET)
|
| | | {
|
| | | bitstatus = SET;
|
| | | }
|
| | | else
|
| | | {
|
| | | bitstatus = RESET;
|
| | | }
|
| | | return bitstatus;
|
| | | }
|
| | |
|
| | | /**
|
| | | * @brief Clears the RTC's pending flags.
|
| | | * @param RTC_FLAG: specifies the flag to clear.
|
| | | * This parameter can be any combination of the following values:
|
| | | * @arg RTC_FLAG_RSF: Registers Synchronized flag. This flag is cleared only after
|
| | | * an APB reset or an APB Clock stop.
|
| | | * @arg RTC_FLAG_OW: Overflow flag
|
| | | * @arg RTC_FLAG_ALR: Alarm flag
|
| | | * @arg RTC_FLAG_SEC: Second flag
|
| | | * @retval None
|
| | | */
|
| | | void RTC_ClearFlag(uint16_t RTC_FLAG)
|
| | | {
|
| | | /* Check the parameters */
|
| | | assert_param(IS_RTC_CLEAR_FLAG(RTC_FLAG)); |
| | | |
| | | /* Clear the corresponding RTC flag */
|
| | | RTC->CRL &= (uint16_t)~RTC_FLAG;
|
| | | }
|
| | |
|
| | | /**
|
| | | * @brief Checks whether the specified RTC interrupt has occurred or not.
|
| | | * @param RTC_IT: specifies the RTC interrupts sources to check.
|
| | | * This parameter can be one of the following values:
|
| | | * @arg RTC_IT_OW: Overflow interrupt
|
| | | * @arg RTC_IT_ALR: Alarm interrupt
|
| | | * @arg RTC_IT_SEC: Second interrupt
|
| | | * @retval The new state of the RTC_IT (SET or RESET).
|
| | | */
|
| | | ITStatus RTC_GetITStatus(uint16_t RTC_IT)
|
| | | {
|
| | | ITStatus bitstatus = RESET;
|
| | | /* Check the parameters */
|
| | | assert_param(IS_RTC_GET_IT(RTC_IT)); |
| | | |
| | | bitstatus = (ITStatus)(RTC->CRL & RTC_IT);
|
| | | if (((RTC->CRH & RTC_IT) != (uint16_t)RESET) && (bitstatus != (uint16_t)RESET))
|
| | | {
|
| | | bitstatus = SET;
|
| | | }
|
| | | else
|
| | | {
|
| | | bitstatus = RESET;
|
| | | }
|
| | | return bitstatus;
|
| | | }
|
| | |
|
| | | /**
|
| | | * @brief Clears the RTC's interrupt pending bits.
|
| | | * @param RTC_IT: specifies the interrupt pending bit to clear.
|
| | | * This parameter can be any combination of the following values:
|
| | | * @arg RTC_IT_OW: Overflow interrupt
|
| | | * @arg RTC_IT_ALR: Alarm interrupt
|
| | | * @arg RTC_IT_SEC: Second interrupt
|
| | | * @retval None
|
| | | */
|
| | | void RTC_ClearITPendingBit(uint16_t RTC_IT)
|
| | | {
|
| | | /* Check the parameters */
|
| | | assert_param(IS_RTC_IT(RTC_IT)); |
| | | |
| | | /* Clear the corresponding RTC pending bit */
|
| | | RTC->CRL &= (uint16_t)~RTC_IT;
|
| | | }
|
| | |
|
| | | /**
|
| | | * @}
|
| | | */
|
| | |
|
| | | /**
|
| | | * @}
|
| | | */
|
| | |
|
| | | /**
|
| | | * @}
|
| | | */
|
| | |
|
| | | /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
|
| | | /** |
| | | ****************************************************************************** |
| | | * @file stm32f10x_rtc.c |
| | | * @author MCD Application Team |
| | | * @version V3.5.0 |
| | | * @date 11-March-2011 |
| | | * @brief This file provides all the RTC firmware functions. |
| | | ****************************************************************************** |
| | | * @attention |
| | | * |
| | | * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS |
| | | * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE |
| | | * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY |
| | | * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING |
| | | * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE |
| | | * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
| | | * |
| | | * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> |
| | | ****************************************************************************** |
| | | */ |
| | | |
| | | /* Includes ------------------------------------------------------------------*/ |
| | | #include "stm32f10x_rtc.h" |
| | | |
| | | /** @addtogroup STM32F10x_StdPeriph_Driver |
| | | * @{ |
| | | */ |
| | | |
| | | /** @defgroup RTC |
| | | * @brief RTC driver modules |
| | | * @{ |
| | | */ |
| | | |
| | | /** @defgroup RTC_Private_TypesDefinitions |
| | | * @{ |
| | | */ |
| | | /** |
| | | * @} |
| | | */ |
| | | |
| | | /** @defgroup RTC_Private_Defines |
| | | * @{ |
| | | */ |
| | | #define RTC_LSB_MASK ((uint32_t)0x0000FFFF) /*!< RTC LSB Mask */ |
| | | #define PRLH_MSB_MASK ((uint32_t)0x000F0000) /*!< RTC Prescaler MSB Mask */ |
| | | |
| | | /** |
| | | * @} |
| | | */ |
| | | |
| | | /** @defgroup RTC_Private_Macros |
| | | * @{ |
| | | */ |
| | | |
| | | /** |
| | | * @} |
| | | */ |
| | | |
| | | /** @defgroup RTC_Private_Variables |
| | | * @{ |
| | | */ |
| | | |
| | | /** |
| | | * @} |
| | | */ |
| | | |
| | | /** @defgroup RTC_Private_FunctionPrototypes |
| | | * @{ |
| | | */ |
| | | |
| | | /** |
| | | * @} |
| | | */ |
| | | |
| | | /** @defgroup RTC_Private_Functions |
| | | * @{ |
| | | */ |
| | | |
| | | /** |
| | | * @brief Enables or disables the specified RTC interrupts. |
| | | * @param RTC_IT: specifies the RTC interrupts sources to be enabled or disabled. |
| | | * This parameter can be any combination of the following values: |
| | | * @arg RTC_IT_OW: Overflow interrupt |
| | | * @arg RTC_IT_ALR: Alarm interrupt |
| | | * @arg RTC_IT_SEC: Second interrupt |
| | | * @param NewState: new state of the specified RTC interrupts. |
| | | * This parameter can be: ENABLE or DISABLE. |
| | | * @retval None |
| | | */ |
| | | void RTC_ITConfig(uint16_t RTC_IT, FunctionalState NewState) |
| | | { |
| | | /* Check the parameters */ |
| | | assert_param(IS_RTC_IT(RTC_IT)); |
| | | assert_param(IS_FUNCTIONAL_STATE(NewState)); |
| | | |
| | | if (NewState != DISABLE) |
| | | { |
| | | RTC->CRH |= RTC_IT; |
| | | } |
| | | else |
| | | { |
| | | RTC->CRH &= (uint16_t)~RTC_IT; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * @brief Enters the RTC configuration mode. |
| | | * @param None |
| | | * @retval None |
| | | */ |
| | | void RTC_EnterConfigMode(void) |
| | | { |
| | | /* Set the CNF flag to enter in the Configuration Mode */ |
| | | RTC->CRL |= RTC_CRL_CNF; |
| | | } |
| | | |
| | | /** |
| | | * @brief Exits from the RTC configuration mode. |
| | | * @param None |
| | | * @retval None |
| | | */ |
| | | void RTC_ExitConfigMode(void) |
| | | { |
| | | /* Reset the CNF flag to exit from the Configuration Mode */ |
| | | RTC->CRL &= (uint16_t)~((uint16_t)RTC_CRL_CNF); |
| | | } |
| | | |
| | | /** |
| | | * @brief Gets the RTC counter value. |
| | | * @param None |
| | | * @retval RTC counter value. |
| | | */ |
| | | uint32_t RTC_GetCounter(void) |
| | | { |
| | | uint16_t tmp = 0; |
| | | tmp = RTC->CNTL; |
| | | return (((uint32_t)RTC->CNTH << 16 ) | tmp) ; |
| | | } |
| | | |
| | | /** |
| | | * @brief Sets the RTC counter value. |
| | | * @param CounterValue: RTC counter new value. |
| | | * @retval None |
| | | */ |
| | | void RTC_SetCounter(uint32_t CounterValue) |
| | | { |
| | | RTC_EnterConfigMode(); |
| | | /* Set RTC COUNTER MSB word */ |
| | | RTC->CNTH = CounterValue >> 16; |
| | | /* Set RTC COUNTER LSB word */ |
| | | RTC->CNTL = (CounterValue & RTC_LSB_MASK); |
| | | RTC_ExitConfigMode(); |
| | | } |
| | | |
| | | /** |
| | | * @brief Sets the RTC prescaler value. |
| | | * @param PrescalerValue: RTC prescaler new value. |
| | | * @retval None |
| | | */ |
| | | void RTC_SetPrescaler(uint32_t PrescalerValue) |
| | | { |
| | | /* Check the parameters */ |
| | | assert_param(IS_RTC_PRESCALER(PrescalerValue)); |
| | | |
| | | RTC_EnterConfigMode(); |
| | | /* Set RTC PRESCALER MSB word */ |
| | | RTC->PRLH = (PrescalerValue & PRLH_MSB_MASK) >> 16; |
| | | /* Set RTC PRESCALER LSB word */ |
| | | RTC->PRLL = (PrescalerValue & RTC_LSB_MASK); |
| | | RTC_ExitConfigMode(); |
| | | } |
| | | |
| | | /** |
| | | * @brief Sets the RTC alarm value. |
| | | * @param AlarmValue: RTC alarm new value. |
| | | * @retval None |
| | | */ |
| | | void RTC_SetAlarm(uint32_t AlarmValue) |
| | | { |
| | | RTC_EnterConfigMode(); |
| | | /* Set the ALARM MSB word */ |
| | | RTC->ALRH = AlarmValue >> 16; |
| | | /* Set the ALARM LSB word */ |
| | | RTC->ALRL = (AlarmValue & RTC_LSB_MASK); |
| | | RTC_ExitConfigMode(); |
| | | } |
| | | |
| | | /** |
| | | * @brief Gets the RTC divider value. |
| | | * @param None |
| | | * @retval RTC Divider value. |
| | | */ |
| | | uint32_t RTC_GetDivider(void) |
| | | { |
| | | uint32_t tmp = 0x00; |
| | | tmp = ((uint32_t)RTC->DIVH & (uint32_t)0x000F) << 16; |
| | | tmp |= RTC->DIVL; |
| | | return tmp; |
| | | } |
| | | |
| | | /** |
| | | * @brief Waits until last write operation on RTC registers has finished. |
| | | * @note This function must be called before any write to RTC registers. |
| | | * @param None |
| | | * @retval None |
| | | */ |
| | | void RTC_WaitForLastTask(void) |
| | | { |
| | | /* Loop until RTOFF flag is set */ |
| | | while ((RTC->CRL & RTC_FLAG_RTOFF) == (uint16_t)RESET) |
| | | { |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * @brief Waits until the RTC registers (RTC_CNT, RTC_ALR and RTC_PRL) |
| | | * are synchronized with RTC APB clock. |
| | | * @note This function must be called before any read operation after an APB reset |
| | | * or an APB clock stop. |
| | | * @param None |
| | | * @retval None |
| | | */ |
| | | void RTC_WaitForSynchro(void) |
| | | { |
| | | /* Clear RSF flag */ |
| | | RTC->CRL &= (uint16_t)~RTC_FLAG_RSF; |
| | | /* Loop until RSF flag is set */ |
| | | while ((RTC->CRL & RTC_FLAG_RSF) == (uint16_t)RESET) |
| | | { |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * @brief Checks whether the specified RTC flag is set or not. |
| | | * @param RTC_FLAG: specifies the flag to check. |
| | | * This parameter can be one the following values: |
| | | * @arg RTC_FLAG_RTOFF: RTC Operation OFF flag |
| | | * @arg RTC_FLAG_RSF: Registers Synchronized flag |
| | | * @arg RTC_FLAG_OW: Overflow flag |
| | | * @arg RTC_FLAG_ALR: Alarm flag |
| | | * @arg RTC_FLAG_SEC: Second flag |
| | | * @retval The new state of RTC_FLAG (SET or RESET). |
| | | */ |
| | | FlagStatus RTC_GetFlagStatus(uint16_t RTC_FLAG) |
| | | { |
| | | FlagStatus bitstatus = RESET; |
| | | |
| | | /* Check the parameters */ |
| | | assert_param(IS_RTC_GET_FLAG(RTC_FLAG)); |
| | | |
| | | if ((RTC->CRL & RTC_FLAG) != (uint16_t)RESET) |
| | | { |
| | | bitstatus = SET; |
| | | } |
| | | else |
| | | { |
| | | bitstatus = RESET; |
| | | } |
| | | return bitstatus; |
| | | } |
| | | |
| | | /** |
| | | * @brief Clears the RTC's pending flags. |
| | | * @param RTC_FLAG: specifies the flag to clear. |
| | | * This parameter can be any combination of the following values: |
| | | * @arg RTC_FLAG_RSF: Registers Synchronized flag. This flag is cleared only after |
| | | * an APB reset or an APB Clock stop. |
| | | * @arg RTC_FLAG_OW: Overflow flag |
| | | * @arg RTC_FLAG_ALR: Alarm flag |
| | | * @arg RTC_FLAG_SEC: Second flag |
| | | * @retval None |
| | | */ |
| | | void RTC_ClearFlag(uint16_t RTC_FLAG) |
| | | { |
| | | /* Check the parameters */ |
| | | assert_param(IS_RTC_CLEAR_FLAG(RTC_FLAG)); |
| | | |
| | | /* Clear the corresponding RTC flag */ |
| | | RTC->CRL &= (uint16_t)~RTC_FLAG; |
| | | } |
| | | |
| | | /** |
| | | * @brief Checks whether the specified RTC interrupt has occurred or not. |
| | | * @param RTC_IT: specifies the RTC interrupts sources to check. |
| | | * This parameter can be one of the following values: |
| | | * @arg RTC_IT_OW: Overflow interrupt |
| | | * @arg RTC_IT_ALR: Alarm interrupt |
| | | * @arg RTC_IT_SEC: Second interrupt |
| | | * @retval The new state of the RTC_IT (SET or RESET). |
| | | */ |
| | | ITStatus RTC_GetITStatus(uint16_t RTC_IT) |
| | | { |
| | | ITStatus bitstatus = RESET; |
| | | /* Check the parameters */ |
| | | assert_param(IS_RTC_GET_IT(RTC_IT)); |
| | | |
| | | bitstatus = (ITStatus)(RTC->CRL & RTC_IT); |
| | | if (((RTC->CRH & RTC_IT) != (uint16_t)RESET) && (bitstatus != (uint16_t)RESET)) |
| | | { |
| | | bitstatus = SET; |
| | | } |
| | | else |
| | | { |
| | | bitstatus = RESET; |
| | | } |
| | | return bitstatus; |
| | | } |
| | | |
| | | /** |
| | | * @brief Clears the RTC's interrupt pending bits. |
| | | * @param RTC_IT: specifies the interrupt pending bit to clear. |
| | | * This parameter can be any combination of the following values: |
| | | * @arg RTC_IT_OW: Overflow interrupt |
| | | * @arg RTC_IT_ALR: Alarm interrupt |
| | | * @arg RTC_IT_SEC: Second interrupt |
| | | * @retval None |
| | | */ |
| | | void RTC_ClearITPendingBit(uint16_t RTC_IT) |
| | | { |
| | | /* Check the parameters */ |
| | | assert_param(IS_RTC_IT(RTC_IT)); |
| | | |
| | | /* Clear the corresponding RTC pending bit */ |
| | | RTC->CRL &= (uint16_t)~RTC_IT; |
| | | } |
| | | |
| | | /** |
| | | * @} |
| | | */ |
| | | |
| | | /** |
| | | * @} |
| | | */ |
| | | |
| | | /** |
| | | * @} |
| | | */ |
| | | |
| | | /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |