mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
targets/TARGET_ONSEMI/TARGET_NCS36510/ncs36510_lp_ticker_api.c
- Committer:
- AnnaBridge
- Date:
- 2019-02-20
- Revision:
- 189:f392fc9709a3
- Parent:
- 186:707f6e361f3e
File content as of revision 189:f392fc9709a3:
/** ******************************************************************************* * @file lpticker.c * @brief Implementation of a Low Power Ticker functionality based on RTC * @internal * @author ON Semiconductor * $Rev: $ * $Date: $ ****************************************************************************** * Copyright 2016 Semiconductor Components Industries LLC (d/b/a �ON Semiconductor�). * All rights reserved. This software and/or documentation is licensed by ON Semiconductor * under limited terms and conditions. The terms and conditions pertaining to the software * and/or documentation are available at http://www.onsemi.com/site/pdf/ONSEMI_T&C.pdf * (�ON Semiconductor Standard Terms and Conditions of Sale, Section 8 Software�) and * if applicable the software license agreement. Do not use this software and/or * documentation unless you have carefully read and you agree to the limited terms and * conditions. By using this software and/or documentation, you agree to the limited * terms and conditions. * * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. * ON SEMICONDUCTOR SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. * @endinternal * * @ingroup lpticker * * @details * This is Low Power ticker derived from RTC * */ #include "device.h" #if DEVICE_LPTICKER #include "cmsis_nvic.h" #include "lp_ticker_api.h" #include "rtc.h" #include "rtc_map.h" /* Initialize the RTC for low power ticker */ void lp_ticker_init() { fRtcInit(); } /* Return the current RTC counter value in us */ uint32_t lp_ticker_read() { return (uint32_t)(fRtcRead() & 0xFFFFFFFF); /* TODO Truncating 64 bit value to 32 bit */ } /* Set interrupt for specified time */ void lp_ticker_set_interrupt(timestamp_t timestamp) { /* The RTC Match register needs to be Set to the RTC alarm value */ fRtcSetInterrupt(timestamp); } void lp_ticker_fire_interrupt(void) { NVIC_SetPendingIRQ(Rtc_IRQn); } /** Disable low power ticker interrupt * */ void lp_ticker_disable_interrupt(void) { fRtcDisableInterrupt(); } /** Clear the low power ticker interrupt * */ void lp_ticker_clear_interrupt(void) { fRtcClearInterrupt(); } #endif /* DEVICE_LPTICKER */