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us_ticker_api.h
00001 00002 /** \addtogroup hal */ 00003 /** @{*/ 00004 /* mbed Microcontroller Library 00005 * Copyright (c) 2006-2015 ARM Limited 00006 * 00007 * Licensed under the Apache License, Version 2.0 (the "License"); 00008 * you may not use this file except in compliance with the License. 00009 * You may obtain a copy of the License at 00010 * 00011 * http://www.apache.org/licenses/LICENSE-2.0 00012 * 00013 * Unless required by applicable law or agreed to in writing, software 00014 * distributed under the License is distributed on an "AS IS" BASIS, 00015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00016 * See the License for the specific language governing permissions and 00017 * limitations under the License. 00018 */ 00019 #ifndef MBED_US_TICKER_API_H 00020 #define MBED_US_TICKER_API_H 00021 00022 #include <stdint.h> 00023 #include "hal/ticker_api.h" 00024 00025 #ifdef __cplusplus 00026 extern "C" { 00027 #endif 00028 00029 /** 00030 * \defgroup hal_UsTicker Microseconds Ticker Functions 00031 * @{ 00032 */ 00033 00034 /** Get ticker's data 00035 * 00036 * @return The low power ticker data 00037 */ 00038 const ticker_data_t* get_us_ticker_data(void); 00039 00040 00041 /** The wrapper for ticker_irq_handler, to pass us ticker's data 00042 * 00043 */ 00044 void us_ticker_irq_handler(void); 00045 00046 /* HAL us ticker */ 00047 00048 /** Initialize the ticker 00049 * 00050 */ 00051 void us_ticker_init(void); 00052 00053 /** Read the current counter 00054 * 00055 * @return The current timer's counter value in microseconds 00056 */ 00057 uint32_t us_ticker_read(void); 00058 00059 /** Set interrupt for specified timestamp 00060 * 00061 * @param timestamp The time in microseconds to be set 00062 */ 00063 void us_ticker_set_interrupt(timestamp_t timestamp); 00064 00065 /** Disable us ticker interrupt 00066 * 00067 */ 00068 void us_ticker_disable_interrupt(void); 00069 00070 /** Clear us ticker interrupt 00071 * 00072 */ 00073 void us_ticker_clear_interrupt(void); 00074 00075 /**@}*/ 00076 00077 #ifdef __cplusplus 00078 } 00079 #endif 00080 00081 #endif 00082 00083 /** @}*/
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