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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/802_15_4/api/HAL/nrf52_soc/hal_nrf52_rtc.h')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/802_15_4/api/HAL/nrf52_soc/hal_nrf52_rtc.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/802_15_4/api/HAL/nrf52_soc/hal_nrf52_rtc.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/802_15_4/api/HAL/nrf52_soc/hal_nrf52_rtc.h new file mode 100644 index 0000000..1729834 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/802_15_4/api/HAL/nrf52_soc/hal_nrf52_rtc.h @@ -0,0 +1,107 @@ +/** + * Copyright (c) 2016 - 2018 Nordic Semiconductor ASA and Luxoft Global Operations Gmbh. + * + * 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, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, 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 Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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 HAL_NRF52_RTC_H_INCLUDED +#define HAL_NRF52_RTC_H_INCLUDED + +#include "nordic_common.h" +#include "nrf_drv_config.h" +#include "nrf_drv_common.h" +#include "nrf_drv_rtc.h" +#include "nrf_rtc.h" + +/** + * @defgroup hal_nrf52_rtc HAL RTC + * @ingroup hal_15_4_nrf52 + * @{ + */ + +// RTC counter bitlenght +#define LAGEST_PRESCALER_VALUE 4096 +// RTC counter bitlenght +#define RTC_CNT_BITLENGHT 24 +// Longest sleep time, ms +#define LONGEST_SLEEP_TIME ((( 1UL << RTC_CNT_BITLENGHT ) \ + /(RTC_INPUT_FREQ/LAGEST_PRESCALER_VALUE)) * 1000UL ) + +// Shortest sleep time, ms +#define SHORTEST_SLEEP_TIME 1 + +/**@brief Function for initialize low frequency clock + */ +void rtc_lfclk_start(void); + + +/** @brief Function initialization and configuration of RTC driver instance. + * + * @param[in] sleep_time_ms after this time compare event will be triggered + */ +void rtc_start(uint32_t sleep_time_ms); + +/** @brief Stop RTC + */ +void rtc_stop(void); + +/** @brief Get RTC counter + * + * @retval uint32_t Contents of RTC counter register. + */ +uint32_t rtc_cnt_get(void); + +/** @brief Get time elapsed since cnt_ticks + * + * @param[in] cnt_ticks Number of rtc-ticks + * + * @retval uint32_t Time since cnt_ticks, ms + */ +uint64_t get_rtc_time_since(uint32_t cnt_ticks); + +/** @brief Check if rtc compare interrupt was triggered after calling + * rtc_start function + * + * @retval bool true - compare interrupt was triggered + * false - it wasn't + */ +bool is_rtc_comp_irq_triggerd(void); + +/** @} */ + +#endif /* HAL_NRF52_RTC_H_INCLUDED */ |