Major hierarchy reorganization; see README.

copy-to-ide and Makefile updated to conform; .gitignore added;
LICENSE added

1 files changed, 320 insertions, 0 deletions

diff --git a/stm32lib/src/stm32f10x_rtc.c b/stm32lib/src/stm32f10x_rtc.c
new file mode 100644
index 0000000..55a8bea
--- /dev/null
+++ b/stm32lib/src/stm32f10x_rtc.c
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+/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************

+* File Name          : stm32f10x_rtc.c

+* Author             : MCD Application Team

+* Version            : V2.0.2

+* Date               : 07/11/2008

+* Description        : This file provides all the RTC firmware functions.

+********************************************************************************

+* 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.

+*******************************************************************************/

+

+/* Includes ------------------------------------------------------------------*/

+#include "stm32f10x_rtc.h"

+

+/* Private typedef -----------------------------------------------------------*/

+/* Private define ------------------------------------------------------------*/

+#define CRL_CNF_Set      ((u16)0x0010)      /* Configuration Flag Enable Mask */

+#define CRL_CNF_Reset    ((u16)0xFFEF)      /* Configuration Flag Disable Mask */

+#define RTC_LSB_Mask     ((u32)0x0000FFFF)  /* RTC LSB Mask */

+#define PRLH_MSB_Mask    ((u32)0x000F0000)  /* RTC Prescaler MSB Mask */

+

+/* Private macro -------------------------------------------------------------*/

+/* Private variables ---------------------------------------------------------*/

+/* Private function prototypes -----------------------------------------------*/

+/* Private functions ---------------------------------------------------------*/

+

+/*******************************************************************************

+* Function Name  : RTC_ITConfig

+* Description    : Enables or disables the specified RTC interrupts.

+* Input          : - RTC_IT: specifies the RTC interrupts sources to be enabled

+*                    or disabled.

+*                    This parameter can be any combination of the following values:

+*                       - RTC_IT_OW: Overflow interrupt

+*                       - RTC_IT_ALR: Alarm interrupt

+*                       - RTC_IT_SEC: Second interrupt

+*                  - NewState: new state of the specified RTC interrupts.

+*                    This parameter can be: ENABLE or DISABLE.

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void RTC_ITConfig(u16 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 &= (u16)~RTC_IT;

+  }

+}

+

+/*******************************************************************************

+* Function Name  : RTC_EnterConfigMode

+* Description    : Enters the RTC configuration mode.

+* Input          : None

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void RTC_EnterConfigMode(void)

+{

+  /* Set the CNF flag to enter in the Configuration Mode */

+  RTC->CRL |= CRL_CNF_Set;

+}

+

+/*******************************************************************************

+* Function Name  : RTC_ExitConfigMode

+* Description    : Exits from the RTC configuration mode.

+* Input          : None

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void RTC_ExitConfigMode(void)

+{

+  /* Reset the CNF flag to exit from the Configuration Mode */

+  RTC->CRL &= CRL_CNF_Reset;

+}

+

+/*******************************************************************************

+* Function Name  : RTC_GetCounter

+* Description    : Gets the RTC counter value.

+* Input          : None

+* Output         : None

+* Return         : RTC counter value.

+*******************************************************************************/

+u32 RTC_GetCounter(void)

+{

+  u16 tmp = 0;

+  tmp = RTC->CNTL;

+

+  return (((u32)RTC->CNTH << 16 ) | tmp) ;

+}

+

+/*******************************************************************************

+* Function Name  : RTC_SetCounter

+* Description    : Sets the RTC counter value.

+* Input          : - CounterValue: RTC counter new value.

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void RTC_SetCounter(u32 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();

+}

+

+/*******************************************************************************

+* Function Name  : RTC_SetPrescaler

+* Description    : Sets the RTC prescaler value.

+* Input          : - PrescalerValue: RTC prescaler new value.

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void RTC_SetPrescaler(u32 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();

+}

+

+/*******************************************************************************

+* Function Name  : RTC_SetAlarm

+* Description    : Sets the RTC alarm value.

+* Input          : - AlarmValue: RTC alarm new value.

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void RTC_SetAlarm(u32 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();

+}

+

+/*******************************************************************************

+* Function Name  : RTC_GetDivider

+* Description    : Gets the RTC divider value.

+* Input          : None

+* Output         : None

+* Return         : RTC Divider value.

+*******************************************************************************/

+u32 RTC_GetDivider(void)

+{

+  u32 tmp = 0x00;

+

+  tmp = ((u32)RTC->DIVH & (u32)0x000F) << 16;

+  tmp |= RTC->DIVL;

+

+  return tmp;

+}

+

+/*******************************************************************************

+* Function Name  : RTC_WaitForLastTask

+* Description    : Waits until last write operation on RTC registers has finished.

+*                  This function must be called before any write to RTC registers.

+* Input          : None

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void RTC_WaitForLastTask(void)

+{

+  /* Loop until RTOFF flag is set */

+  while ((RTC->CRL & RTC_FLAG_RTOFF) == (u16)RESET)

+  {

+  }

+}

+

+/*******************************************************************************

+* Function Name  : RTC_WaitForSynchro

+* Description    : Waits until the RTC registers (RTC_CNT, RTC_ALR and RTC_PRL)

+*                  are synchronized with RTC APB clock.

+*                  This function must be called before any read operation after

+*                  an APB reset or an APB clock stop.

+* Input          : None

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void RTC_WaitForSynchro(void)

+{

+  /* Clear RSF flag */

+  RTC->CRL &= (u16)~RTC_FLAG_RSF;

+

+  /* Loop until RSF flag is set */

+  while ((RTC->CRL & RTC_FLAG_RSF) == (u16)RESET)

+  {

+  }

+}

+

+/*******************************************************************************

+* Function Name  : RTC_GetFlagStatus

+* Description    : Checks whether the specified RTC flag is set or not.

+* Input          : - RTC_FLAG: specifies the flag to check.

+*                    This parameter can be one the following values:

+*                       - RTC_FLAG_RTOFF: RTC Operation OFF flag

+*                       - RTC_FLAG_RSF: Registers Synchronized flag

+*                       - RTC_FLAG_OW: Overflow flag

+*                       - RTC_FLAG_ALR: Alarm flag

+*                       - RTC_FLAG_SEC: Second flag

+* Output         : None

+* Return         : The new state of RTC_FLAG (SET or RESET).

+*******************************************************************************/

+FlagStatus RTC_GetFlagStatus(u16 RTC_FLAG)

+{

+  FlagStatus bitstatus = RESET;

+  

+  /* Check the parameters */

+  assert_param(IS_RTC_GET_FLAG(RTC_FLAG)); 

+  

+  if ((RTC->CRL & RTC_FLAG) != (u16)RESET)

+  {

+    bitstatus = SET;

+  }

+  else

+  {

+    bitstatus = RESET;

+  }

+  return bitstatus;

+}

+

+/*******************************************************************************

+* Function Name  : RTC_ClearFlag

+* Description    : Clears the RTC’s pending flags.

+* Input          : - RTC_FLAG: specifies the flag to clear.

+*                    This parameter can be any combination of the following values:

+*                       - RTC_FLAG_RSF: Registers Synchronized flag. This flag

+*                         is cleared only after an APB reset or an APB Clock stop.

+*                       - RTC_FLAG_OW: Overflow flag

+*                       - RTC_FLAG_ALR: Alarm flag

+*                       - RTC_FLAG_SEC: Second flag

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void RTC_ClearFlag(u16 RTC_FLAG)

+{

+  /* Check the parameters */

+  assert_param(IS_RTC_CLEAR_FLAG(RTC_FLAG)); 

+    

+  /* Clear the coressponding RTC flag */

+  RTC->CRL &= (u16)~RTC_FLAG;

+}

+

+/*******************************************************************************

+* Function Name  : RTC_GetITStatus

+* Description    : Checks whether the specified RTC interrupt has occured or not.

+* Input          : - RTC_IT: specifies the RTC interrupts sources to check.

+*                    This parameter can be one of the following values:

+*                       - RTC_IT_OW: Overflow interrupt

+*                       - RTC_IT_ALR: Alarm interrupt

+*                       - RTC_IT_SEC: Second interrupt

+* Output         : None

+* Return         : The new state of the RTC_IT (SET or RESET).

+*******************************************************************************/

+ITStatus RTC_GetITStatus(u16 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) != (u16)RESET) && (bitstatus != (u16)RESET))

+  {

+    bitstatus = SET;

+  }

+  else

+  {

+    bitstatus = RESET;

+  }

+  return bitstatus;

+}

+

+/*******************************************************************************

+* Function Name  : RTC_ClearITPendingBit

+* Description    : Clears the RTC’s interrupt pending bits.

+* Input          : - RTC_IT: specifies the interrupt pending bit to clear.

+*                    This parameter can be any combination of the following values:

+*                       - RTC_IT_OW: Overflow interrupt

+*                       - RTC_IT_ALR: Alarm interrupt

+*                       - RTC_IT_SEC: Second interrupt

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void RTC_ClearITPendingBit(u16 RTC_IT)

+{

+  /* Check the parameters */

+  assert_param(IS_RTC_IT(RTC_IT));  

+  

+  /* Clear the coressponding RTC pending bit */

+  RTC->CRL &= (u16)~RTC_IT;

+}

+

+/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/