Diff: targets/cmsis/TARGET_STM/TARGET_DISCO_F100RB/stm32f10x_rtc.c

Revision:

497:d54623194236

Parent:

496:543871686697

Child:

498:b3c41e21851c

--- a/targets/cmsis/TARGET_STM/TARGET_DISCO_F100RB/stm32f10x_rtc.c	Tue Mar 24 09:00:08 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,367 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    stm32f10x_rtc.c
-  * @author  MCD Application Team
-  * @version V3.6.1
-  * @date    05-March-2012
-  * @brief   This file provides all the RTC firmware functions.
- *******************************************************************************
- * Copyright (c) 2014, STMicroelectronics
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *******************************************************************************
- */
-
-/* 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 high1 = 0, high2 = 0, low = 0;
-
-  high1 = RTC->CNTH;
-  low   = RTC->CNTL;
-  high2 = RTC->CNTH;
-
-  if (high1 != high2)
-  { /* In this case the counter roll over during reading of CNTL and CNTH registers, 
-       read again CNTL register then return the counter value */
-    return (((uint32_t) high2 << 16 ) | RTC->CNTL);
-  }
-  else
-  { /* No counter roll over during reading of CNTL and CNTH registers, counter 
-       value is equal to first value of CNTL and CNTH */
-    return (((uint32_t) high1 << 16 ) | low);
-  }
-}
-
-/**
-  * @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 STMicroelectronics *****END OF FILE****/