mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
mbed_lp_ticker_wrapper.h
00001 00002 /** \addtogroup hal */ 00003 /** @{*/ 00004 /* mbed Microcontroller Library 00005 * Copyright (c) 2018 ARM Limited 00006 * SPDX-License-Identifier: Apache-2.0 00007 * 00008 * Licensed under the Apache License, Version 2.0 (the "License"); 00009 * you may not use this file except in compliance with the License. 00010 * You may obtain a copy of the License at 00011 * 00012 * http://www.apache.org/licenses/LICENSE-2.0 00013 * 00014 * Unless required by applicable law or agreed to in writing, software 00015 * distributed under the License is distributed on an "AS IS" BASIS, 00016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00017 * See the License for the specific language governing permissions and 00018 * limitations under the License. 00019 */ 00020 #ifndef MBED_LP_TICKER_WRAPPER_H 00021 #define MBED_LP_TICKER_WRAPPER_H 00022 00023 #include "device.h" 00024 00025 #if DEVICE_LPTICKER 00026 00027 #include "hal/ticker_api.h" 00028 #include <stdbool.h> 00029 00030 #ifdef __cplusplus 00031 extern "C" { 00032 #endif 00033 00034 typedef void (*ticker_irq_handler_type)(const ticker_data_t *const); 00035 00036 /** 00037 * Interrupt handler for the wrapped lp ticker 00038 * 00039 * @param handler the function which would normally be called by the 00040 * lp ticker handler when it is not wrapped 00041 */ 00042 void lp_ticker_wrapper_irq_handler(ticker_irq_handler_type handler); 00043 00044 /** 00045 * Get wrapped lp ticker data 00046 * 00047 * @param data hardware low power ticker object 00048 * @return wrapped low power ticker object 00049 */ 00050 const ticker_data_t *get_lp_ticker_wrapper_data(const ticker_data_t *data); 00051 00052 /** 00053 * Suspend the wrapper layer code 00054 * 00055 * Pass through all interrupts to the low power ticker and stop using 00056 * the microsecond ticker. 00057 * 00058 * @warning: Make sure to suspend the LP ticker first (call ticker_suspend()), 00059 * otherwise the behavior is undefined. 00060 */ 00061 void lp_ticker_wrapper_suspend(void); 00062 00063 /** 00064 * Resume the wrapper layer code 00065 * 00066 * Resume operation of the wrapper layer. Interrupts will be filtered 00067 * as normal and the microsecond timer will be used for interrupts scheduled 00068 * too quickly back-to-back. 00069 */ 00070 void lp_ticker_wrapper_resume(void); 00071 00072 /**@}*/ 00073 00074 #ifdef __cplusplus 00075 } 00076 #endif 00077 00078 #endif 00079 00080 #endif 00081 00082 /** @}*/
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