RTC auf true
Diff: hal/mbed_lp_ticker_wrapper.cpp
- Revision:
- 0:38ceb79fef03
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hal/mbed_lp_ticker_wrapper.cpp Wed Nov 28 15:10:15 2018 +0000 @@ -0,0 +1,127 @@ +/* mbed Microcontroller Library + * Copyright (c) 2018 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. + */ +#include "hal/mbed_lp_ticker_wrapper.h" + +#if DEVICE_LPTICKER && (LPTICKER_DELAY_TICKS > 0) + +#include "hal/LowPowerTickerWrapper.h" +#include "platform/mbed_critical.h" + +// Do not use SingletonPtr since this must be initialized in a critical section +static LowPowerTickerWrapper *ticker_wrapper; +static uint64_t ticker_wrapper_data[(sizeof(LowPowerTickerWrapper) + 7) / 8]; +static bool init = false; + +static void lp_ticker_wrapper_init() +{ + ticker_wrapper->init(); +} + +static uint32_t lp_ticker_wrapper_read() +{ + return ticker_wrapper->read(); +} + +static void lp_ticker_wrapper_set_interrupt(timestamp_t timestamp) +{ + ticker_wrapper->set_interrupt(timestamp); +} + +static void lp_ticker_wrapper_disable_interrupt() +{ + ticker_wrapper->disable_interrupt(); +} + +static void lp_ticker_wrapper_clear_interrupt() +{ + ticker_wrapper->clear_interrupt(); +} + +static void lp_ticker_wrapper_fire_interrupt() +{ + ticker_wrapper->fire_interrupt(); +} + +static const ticker_info_t *lp_ticker_wrapper_get_info() +{ + return ticker_wrapper->get_info(); +} + +static void lp_ticker_wrapper_free() +{ + ticker_wrapper->free(); +} + +static const ticker_interface_t lp_interface = { + lp_ticker_wrapper_init, + lp_ticker_wrapper_read, + lp_ticker_wrapper_disable_interrupt, + lp_ticker_wrapper_clear_interrupt, + lp_ticker_wrapper_set_interrupt, + lp_ticker_wrapper_fire_interrupt, + lp_ticker_wrapper_free, + lp_ticker_wrapper_get_info +}; + +void lp_ticker_wrapper_irq_handler(ticker_irq_handler_type handler) +{ + core_util_critical_section_enter(); + + if (!init) { + // Force ticker to initialize + get_lp_ticker_data(); + } + + ticker_wrapper->irq_handler(handler); + + core_util_critical_section_exit(); +} + +const ticker_data_t *get_lp_ticker_wrapper_data(const ticker_data_t *data) +{ + core_util_critical_section_enter(); + + if (!init) { + ticker_wrapper = new (ticker_wrapper_data) LowPowerTickerWrapper(data, &lp_interface, LPTICKER_DELAY_TICKS, LPTICKER_DELAY_TICKS); + init = true; + } + + core_util_critical_section_exit(); + + return &ticker_wrapper->data; +} + +void lp_ticker_wrapper_suspend() +{ + if (!init) { + // Force ticker to initialize + get_lp_ticker_data(); + } + + ticker_wrapper->suspend(); +} + +void lp_ticker_wrapper_resume() +{ + if (!init) { + // Force ticker to initialize + get_lp_ticker_data(); + } + + ticker_wrapper->resume(); +} + +#endif