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Diff: hw_rtc.h
- Revision:
- 0:a0c5877bd360
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hw_rtc.h Thu Jul 12 00:50:48 2018 +0000 @@ -0,0 +1,180 @@ +/* + / _____) _ | | +( (____ _____ ____ _| |_ _____ ____| |__ + \____ \| ___ | (_ _) ___ |/ ___) _ \ + _____) ) ____| | | || |_| ____( (___| | | | +(______/|_____)_|_|_| \__)_____)\____)_| |_| + (C)2013 Semtech + +Description: Bleeper board GPIO driver implementation + +License: Revised BSD License, see LICENSE.TXT file include in the project + +Maintainer: Miguel Luis and Gregory Cristian +*/ +/****************************************************************************** + * @file hw_rtc.h + * @author MCD Application Team + * @version V1.1.4 + * @date 08-January-2018 + * @brief Header for driver hw_rtc.c module + ****************************************************************************** + * @attention + * + * <h2><center>© Copyright (c) 2017 STMicroelectronics International N.V. + * All rights reserved.</center></h2> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted, provided that the following conditions are met: + * + * 1. Redistribution 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 other + * contributors to this software may be used to endorse or promote products + * derived from this software without specific written permission. + * 4. This software, including modifications and/or derivative works of this + * software, must execute solely and exclusively on microcontroller or + * microprocessor devices manufactured by or for STMicroelectronics. + * 5. Redistribution and use of this software other than as permitted under + * this license is void and will automatically terminate your rights under + * this license. + * + * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY + * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT + * SHALL STMICROELECTRONICS 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. + * + ****************************************************************************** + */ + +#ifndef __HW_RTC_H__ +#define __HW_RTC_H__ + +#ifdef __cplusplus + extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "utilities.h" + +/* Exported types ------------------------------------------------------------*/ +/* Exported constants --------------------------------------------------------*/ +/* External variables --------------------------------------------------------*/ +/* Exported macros -----------------------------------------------------------*/ +/* Exported functions ------------------------------------------------------- */ + +/*! + * @brief Initializes the RTC timer + * @note The timer is based on the RTC + * @param none + * @retval none + */ +void HW_RTC_Init( void ); + +/*! + * @brief Stop the Alarm + * @param none + * @retval none + */ +void HW_RTC_StopAlarm( void ); + +/*! + * @brief Return the minimum timeout the RTC is able to handle + * @param none + * @retval minimum value for a timeout + */ +uint32_t HW_RTC_GetMinimumTimeout( void ); + +/*! + * @brief Set the alarm + * @note The alarm is set at Reference + timeout + * @param timeout Duration of the Timer in ticks + */ +void HW_RTC_SetAlarm( uint32_t timeout ); + +/*! + * @brief Get the RTC timer elapsed time since the last Reference was set + * @retval RTC Elapsed time in ticks + */ +uint32_t HW_RTC_GetTimerElapsedTime( void ); + +/*! + * @brief Get the RTC timer value + * @retval none + */ +uint32_t HW_RTC_GetTimerValue( void ); + +/*! + * @brief Set the RTC timer Reference + * @retval Timer Reference Value in Ticks + */ +uint32_t HW_RTC_SetTimerContext( void ); + +/*! + * @brief Get the RTC timer Reference + * @retval Timer Value in Ticks + */ +uint32_t HW_RTC_GetTimerContext( void ); +/*! + * @brief RTC IRQ Handler on the RTC Alarm + * @param none + * @retval none + */ +void HW_RTC_IrqHandler ( void ); + +/*! + * @brief a delay of delay ms by polling RTC + * @param delay in ms + * @param none + * @retval none + */ +void HW_RTC_DelayMs( uint32_t delay ); + +/*! + * @brief calculates the wake up time between wake up and mcu start + * @note resolution in RTC_ALARM_TIME_BASE + * @param none + * @retval none + */ +void HW_RTC_setMcuWakeUpTime( void ); + +/*! + * @brief returns the wake up time in us + * @param none + * @retval wake up time in ticks + */ +int16_t HW_RTC_getMcuWakeUpTime( void ); + +/*! + * @brief converts time in ms to time in ticks + * @param [IN] time in milliseconds + * @retval returns time in timer ticks + */ +uint32_t HW_RTC_ms2Tick( uint32_t timeMicroSec ); + +/*! + * @brief converts time in ticks to time in ms + * @param [IN] time in timer ticks + * @retval returns time in timer milliseconds + */ +uint32_t HW_RTC_Tick2ms( uint32_t tick ); + +#ifdef __cplusplus +} +#endif + +#endif /* __HW_RTC_H__ */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ +