mbed
Fork of mbed-dev by
hal/lp_ticker_api.h
- Committer:
- AnnaBridge
- Date:
- 2018-02-16
- Revision:
- 182:57724642e740
- Parent:
- 181:96ed750bd169
File content as of revision 182:57724642e740:
/** \addtogroup hal */ /** @{*/ /* mbed Microcontroller Library * Copyright (c) 2015 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef MBED_LPTICKER_API_H #define MBED_LPTICKER_API_H #include "device.h" #if DEVICE_LOWPOWERTIMER #include "hal/ticker_api.h" #ifdef __cplusplus extern "C" { #endif /** * \defgroup hal_LpTicker Low Power Ticker Functions * @{ */ typedef void (*ticker_irq_handler_type)(const ticker_data_t *const); /** Set low power ticker IRQ handler * * @param ticker_irq_handler IRQ handler to be connected * * @return previous ticker IRQ handler * * @note by default IRQ handler is set to ticker_irq_handler() * @note this function is primarily for testing purposes and it's not required part of HAL implementation * */ ticker_irq_handler_type set_lp_ticker_irq_handler(ticker_irq_handler_type ticker_irq_handler); /** Get low power ticker's data * * @return The low power ticker data */ const ticker_data_t* get_lp_ticker_data(void); /** The wrapper for ticker_irq_handler, to pass lp ticker's data * */ void lp_ticker_irq_handler(void); /* HAL lp ticker */ /** Initialize the low power ticker * */ void lp_ticker_init(void); /** Read the current counter * * @return The current timer's counter value in microseconds */ uint32_t lp_ticker_read(void); /** Set interrupt for specified timestamp * * @param timestamp The time in microseconds to be set */ void lp_ticker_set_interrupt(timestamp_t timestamp); /** Disable low power ticker interrupt * */ void lp_ticker_disable_interrupt(void); /** Clear the low power ticker interrupt * */ void lp_ticker_clear_interrupt(void); /** Set pending interrupt that should be fired right away. * * The ticker should be initialized prior calling this function. */ void lp_ticker_fire_interrupt(void); /** Get frequency and counter bits of this ticker. * */ const ticker_info_t* lp_ticker_get_info(void); /**@}*/ #ifdef __cplusplus } #endif #endif #endif /** @}*/