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/************************************************************************************
* arch/arm/src/stm32/stm32_rtc.h
*
* Copyright (C) 2011 Uros Platise. All rights reserved.
* Copyright (C) 2011-2013 Gregory Nutt. All rights reserved.
* Author: Uros Platise <uros.platise@isotel.eu> (Original for the F1)
* Gregory Nutt <gnutt@nuttx.org> (On-going support and development)
*
* 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 NuttX 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 OWNER 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.
*
************************************************************************************/
/************************************************************************************
* Included Files
************************************************************************************/
#ifndef __ARCH_ARM_SRC_STM32_STM32_RTC_H
#define __ARCH_ARM_SRC_STM32_STM32_RTC_H
#include <nuttx/config.h>
#include "chip.h"
/* The STM32 F1 has a simple battery-backed counter for its RTC and has a separate
* block for the BKP registers.
*/
#if defined(CONFIG_STM32_STM32F10XX)
# include "chip/stm32_rtc.h"
# include "chip/stm32_bkp.h"
/* The other families use a more traditional Realtime Clock/Calendar (RTCC) with
* broken-out data/time in BCD format. The backup registers are integrated into
* the RTCC in these families.
*/
#elif defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F30XX) ||\
defined(CONFIG_STM32_STM32F40XX)
# include "chip/stm32_rtcc.h"
#endif
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
#define STM32_RTC_PRESCALER_SECOND 32767 /* Default prescaler to get a second base */
#define STM32_RTC_PRESCALER_MIN 1 /* Maximum speed of 16384 Hz */
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/************************************************************************************
* Public Functions
************************************************************************************/
/* Set alarm output pin */
EXTERN void stm32_rtc_settalarmpin(bool activate);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_ARM_SRC_STM32_STM32_RTC_H */
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