mbed-os/targets/TARGET_STM/lp_ticker_defines.h

42 lines
1.4 KiB
C

/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2015-2021 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#ifndef __LP_TICKER_DEFINES_H
#define __LP_TICKER_DEFINES_H
#define LP_TICKER_PERIOD_NUM 1000000
#if MBED_CONF_TARGET_LPTICKER_LPTIM
#if MBED_CONF_TARGET_LSE_AVAILABLE
#define LP_TICKER_PERIOD_DEN (LSE_VALUE / MBED_CONF_TARGET_LPTICKER_LPTIM_CLOCK)
#else
#define LP_TICKER_PERIOD_DEN (LSI_VALUE / MBED_CONF_TARGET_LPTICKER_LPTIM_CLOCK)
#endif
#define LP_TICKER_MASK 0xFFFF // 16 bits
#else // MBED_CONF_TARGET_LPTICKER_LPTIM == 0 => Use RTC WAKEUP timer
#if MBED_CONF_TARGET_LSE_AVAILABLE
#define LP_TICKER_PERIOD_DEN (LSE_VALUE / 4) // RTC_CLOCK / RTC_WAKEUPCLOCK_RTCCLK_DIV4
#else
#define LP_TICKER_PERIOD_DEN (LSI_VALUE / 4) // RTC_CLOCK / RTC_WAKEUPCLOCK_RTCCLK_DIV4
#endif
#define LP_TICKER_MASK 0xFFFFFFFF // 32 bits
#endif // MBED_CONF_TARGET_LPTICKER_LPTIM
#endif // __LP_TICKER_DEFINES_H