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lp_ticker_api.h
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2015 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 #ifndef MBED_LPTICKER_API_H 00017 #define MBED_LPTICKER_API_H 00018 00019 #include "device.h" 00020 00021 #if DEVICE_LOWPOWERTIMER 00022 00023 #include "ticker_api.h" 00024 00025 #ifdef __cplusplus 00026 extern "C" { 00027 #endif 00028 00029 /** 00030 * \defgroup LpTicker Low Power Ticker Functions 00031 * @{ 00032 */ 00033 00034 /** Get low power ticker's data 00035 * 00036 * @return The low power ticker data 00037 */ 00038 const ticker_data_t* get_lp_ticker_data(void); 00039 00040 /** The wrapper for ticker_irq_handler, to pass lp ticker's data 00041 * 00042 */ 00043 void lp_ticker_irq_handler(void); 00044 00045 /* HAL lp ticker */ 00046 00047 /** Initialize the low power ticker 00048 * 00049 */ 00050 void lp_ticker_init(void); 00051 00052 /** Read the current counter 00053 * 00054 * @return The current timer's counter value in microseconds 00055 */ 00056 uint32_t lp_ticker_read(void); 00057 00058 /** Set interrupt for specified timestamp 00059 * 00060 * @param timestamp The time in microseconds to be set 00061 */ 00062 void lp_ticker_set_interrupt(timestamp_t timestamp); 00063 00064 /** Disable low power ticker interrupt 00065 * 00066 */ 00067 void lp_ticker_disable_interrupt(void); 00068 00069 /** Clear the low power ticker interrupt 00070 * 00071 */ 00072 void lp_ticker_clear_interrupt(void); 00073 00074 /**@}*/ 00075 00076 #ifdef __cplusplus 00077 } 00078 #endif 00079 00080 #endif 00081 00082 #endif
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