Rahul Dahiya / Mbed OS STM32F7 Ethernet

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mbed-os/drivers/Ticker.cpp@0:fb8047b156bb, 2020-01-15 (annotated)

Committer:
rahul_dahiya
Date:
Wed Jan 15 15:57:15 2020 +0530
Revision:
0:fb8047b156bb
STM32F7 LWIP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rahul_dahiya 0:fb8047b156bb 1 /* mbed Microcontroller Library
rahul_dahiya 0:fb8047b156bb 2 * Copyright (c) 2006-2013 ARM Limited
rahul_dahiya 0:fb8047b156bb 3 *
rahul_dahiya 0:fb8047b156bb 4 * Licensed under the Apache License, Version 2.0 (the "License");
rahul_dahiya 0:fb8047b156bb 5 * you may not use this file except in compliance with the License.
rahul_dahiya 0:fb8047b156bb 6 * You may obtain a copy of the License at
rahul_dahiya 0:fb8047b156bb 7 *
rahul_dahiya 0:fb8047b156bb 8 * http://www.apache.org/licenses/LICENSE-2.0
rahul_dahiya 0:fb8047b156bb 9 *
rahul_dahiya 0:fb8047b156bb 10 * Unless required by applicable law or agreed to in writing, software
rahul_dahiya 0:fb8047b156bb 11 * distributed under the License is distributed on an "AS IS" BASIS,
rahul_dahiya 0:fb8047b156bb 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rahul_dahiya 0:fb8047b156bb 13 * See the License for the specific language governing permissions and
rahul_dahiya 0:fb8047b156bb 14 * limitations under the License.
rahul_dahiya 0:fb8047b156bb 15 */
rahul_dahiya 0:fb8047b156bb 16 #include "drivers/Ticker.h"
rahul_dahiya 0:fb8047b156bb 17
rahul_dahiya 0:fb8047b156bb 18 #include "drivers/TimerEvent.h"
rahul_dahiya 0:fb8047b156bb 19 #include "platform/FunctionPointer.h"
rahul_dahiya 0:fb8047b156bb 20 #include "hal/ticker_api.h"
rahul_dahiya 0:fb8047b156bb 21 #include "platform/mbed_critical.h"
rahul_dahiya 0:fb8047b156bb 22
rahul_dahiya 0:fb8047b156bb 23 namespace mbed {
rahul_dahiya 0:fb8047b156bb 24
rahul_dahiya 0:fb8047b156bb 25 void Ticker::detach() {
rahul_dahiya 0:fb8047b156bb 26 core_util_critical_section_enter();
rahul_dahiya 0:fb8047b156bb 27 remove();
rahul_dahiya 0:fb8047b156bb 28 // unlocked only if we were attached (we locked it) and this is not low power ticker
rahul_dahiya 0:fb8047b156bb 29 if(_function && _lock_deepsleep) {
rahul_dahiya 0:fb8047b156bb 30 sleep_manager_unlock_deep_sleep();
rahul_dahiya 0:fb8047b156bb 31 }
rahul_dahiya 0:fb8047b156bb 32
rahul_dahiya 0:fb8047b156bb 33 _function = 0;
rahul_dahiya 0:fb8047b156bb 34 core_util_critical_section_exit();
rahul_dahiya 0:fb8047b156bb 35 }
rahul_dahiya 0:fb8047b156bb 36
rahul_dahiya 0:fb8047b156bb 37 void Ticker::setup(us_timestamp_t t) {
rahul_dahiya 0:fb8047b156bb 38 core_util_critical_section_enter();
rahul_dahiya 0:fb8047b156bb 39 remove();
rahul_dahiya 0:fb8047b156bb 40 _delay = t;
rahul_dahiya 0:fb8047b156bb 41 insert_absolute(_delay + ticker_read_us(_ticker_data));
rahul_dahiya 0:fb8047b156bb 42 core_util_critical_section_exit();
rahul_dahiya 0:fb8047b156bb 43 }
rahul_dahiya 0:fb8047b156bb 44
rahul_dahiya 0:fb8047b156bb 45 void Ticker::handler() {
rahul_dahiya 0:fb8047b156bb 46 insert_absolute(event.timestamp + _delay);
rahul_dahiya 0:fb8047b156bb 47 if (_function) {
rahul_dahiya 0:fb8047b156bb 48 _function();
rahul_dahiya 0:fb8047b156bb 49 }
rahul_dahiya 0:fb8047b156bb 50 }
rahul_dahiya 0:fb8047b156bb 51
rahul_dahiya 0:fb8047b156bb 52 } // namespace mbed