Kev Mann / mbed-dev-OS5_10_4

RTC auf true

hal/mbed_lp_ticker_wrapper.cpp@2:7aab896b1a3b, 2019-03-13 (annotated)

Committer:
kevman
Date:
Wed Mar 13 11:03:24 2019 +0000
Revision:
2:7aab896b1a3b
Parent:
0:38ceb79fef03 
2019-03-13

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevman 0:38ceb79fef03 1 /* mbed Microcontroller Library
kevman 0:38ceb79fef03 2 * Copyright (c) 2018 ARM Limited
kevman 0:38ceb79fef03 3 *
kevman 0:38ceb79fef03 4 * Licensed under the Apache License, Version 2.0 (the "License");
kevman 0:38ceb79fef03 5 * you may not use this file except in compliance with the License.
kevman 0:38ceb79fef03 6 * You may obtain a copy of the License at
kevman 0:38ceb79fef03 7 *
kevman 0:38ceb79fef03 8 * http://www.apache.org/licenses/LICENSE-2.0
kevman 0:38ceb79fef03 9 *
kevman 0:38ceb79fef03 10 * Unless required by applicable law or agreed to in writing, software
kevman 0:38ceb79fef03 11 * distributed under the License is distributed on an "AS IS" BASIS,
kevman 0:38ceb79fef03 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kevman 0:38ceb79fef03 13 * See the License for the specific language governing permissions and
kevman 0:38ceb79fef03 14 * limitations under the License.
kevman 0:38ceb79fef03 15 */
kevman 0:38ceb79fef03 16 #include "hal/mbed_lp_ticker_wrapper.h"
kevman 0:38ceb79fef03 17
kevman 0:38ceb79fef03 18 #if DEVICE_LPTICKER && (LPTICKER_DELAY_TICKS > 0)
kevman 0:38ceb79fef03 19
kevman 0:38ceb79fef03 20 #include "hal/LowPowerTickerWrapper.h"
kevman 0:38ceb79fef03 21 #include "platform/mbed_critical.h"
kevman 0:38ceb79fef03 22
kevman 0:38ceb79fef03 23 // Do not use SingletonPtr since this must be initialized in a critical section
kevman 0:38ceb79fef03 24 static LowPowerTickerWrapper *ticker_wrapper;
kevman 0:38ceb79fef03 25 static uint64_t ticker_wrapper_data[(sizeof(LowPowerTickerWrapper) + 7) / 8];
kevman 0:38ceb79fef03 26 static bool init = false;
kevman 0:38ceb79fef03 27
kevman 0:38ceb79fef03 28 static void lp_ticker_wrapper_init()
kevman 0:38ceb79fef03 29 {
kevman 0:38ceb79fef03 30 ticker_wrapper->init();
kevman 0:38ceb79fef03 31 }
kevman 0:38ceb79fef03 32
kevman 0:38ceb79fef03 33 static uint32_t lp_ticker_wrapper_read()
kevman 0:38ceb79fef03 34 {
kevman 0:38ceb79fef03 35 return ticker_wrapper->read();
kevman 0:38ceb79fef03 36 }
kevman 0:38ceb79fef03 37
kevman 0:38ceb79fef03 38 static void lp_ticker_wrapper_set_interrupt(timestamp_t timestamp)
kevman 0:38ceb79fef03 39 {
kevman 0:38ceb79fef03 40 ticker_wrapper->set_interrupt(timestamp);
kevman 0:38ceb79fef03 41 }
kevman 0:38ceb79fef03 42
kevman 0:38ceb79fef03 43 static void lp_ticker_wrapper_disable_interrupt()
kevman 0:38ceb79fef03 44 {
kevman 0:38ceb79fef03 45 ticker_wrapper->disable_interrupt();
kevman 0:38ceb79fef03 46 }
kevman 0:38ceb79fef03 47
kevman 0:38ceb79fef03 48 static void lp_ticker_wrapper_clear_interrupt()
kevman 0:38ceb79fef03 49 {
kevman 0:38ceb79fef03 50 ticker_wrapper->clear_interrupt();
kevman 0:38ceb79fef03 51 }
kevman 0:38ceb79fef03 52
kevman 0:38ceb79fef03 53 static void lp_ticker_wrapper_fire_interrupt()
kevman 0:38ceb79fef03 54 {
kevman 0:38ceb79fef03 55 ticker_wrapper->fire_interrupt();
kevman 0:38ceb79fef03 56 }
kevman 0:38ceb79fef03 57
kevman 0:38ceb79fef03 58 static const ticker_info_t *lp_ticker_wrapper_get_info()
kevman 0:38ceb79fef03 59 {
kevman 0:38ceb79fef03 60 return ticker_wrapper->get_info();
kevman 0:38ceb79fef03 61 }
kevman 0:38ceb79fef03 62
kevman 0:38ceb79fef03 63 static void lp_ticker_wrapper_free()
kevman 0:38ceb79fef03 64 {
kevman 0:38ceb79fef03 65 ticker_wrapper->free();
kevman 0:38ceb79fef03 66 }
kevman 0:38ceb79fef03 67
kevman 0:38ceb79fef03 68 static const ticker_interface_t lp_interface = {
kevman 0:38ceb79fef03 69 lp_ticker_wrapper_init,
kevman 0:38ceb79fef03 70 lp_ticker_wrapper_read,
kevman 0:38ceb79fef03 71 lp_ticker_wrapper_disable_interrupt,
kevman 0:38ceb79fef03 72 lp_ticker_wrapper_clear_interrupt,
kevman 0:38ceb79fef03 73 lp_ticker_wrapper_set_interrupt,
kevman 0:38ceb79fef03 74 lp_ticker_wrapper_fire_interrupt,
kevman 0:38ceb79fef03 75 lp_ticker_wrapper_free,
kevman 0:38ceb79fef03 76 lp_ticker_wrapper_get_info
kevman 0:38ceb79fef03 77 };
kevman 0:38ceb79fef03 78
kevman 0:38ceb79fef03 79 void lp_ticker_wrapper_irq_handler(ticker_irq_handler_type handler)
kevman 0:38ceb79fef03 80 {
kevman 0:38ceb79fef03 81 core_util_critical_section_enter();
kevman 0:38ceb79fef03 82
kevman 0:38ceb79fef03 83 if (!init) {
kevman 0:38ceb79fef03 84 // Force ticker to initialize
kevman 0:38ceb79fef03 85 get_lp_ticker_data();
kevman 0:38ceb79fef03 86 }
kevman 0:38ceb79fef03 87
kevman 0:38ceb79fef03 88 ticker_wrapper->irq_handler(handler);
kevman 0:38ceb79fef03 89
kevman 0:38ceb79fef03 90 core_util_critical_section_exit();
kevman 0:38ceb79fef03 91 }
kevman 0:38ceb79fef03 92
kevman 0:38ceb79fef03 93 const ticker_data_t *get_lp_ticker_wrapper_data(const ticker_data_t *data)
kevman 0:38ceb79fef03 94 {
kevman 0:38ceb79fef03 95 core_util_critical_section_enter();
kevman 0:38ceb79fef03 96
kevman 0:38ceb79fef03 97 if (!init) {
kevman 0:38ceb79fef03 98 ticker_wrapper = new (ticker_wrapper_data) LowPowerTickerWrapper(data, &lp_interface, LPTICKER_DELAY_TICKS, LPTICKER_DELAY_TICKS);
kevman 0:38ceb79fef03 99 init = true;
kevman 0:38ceb79fef03 100 }
kevman 0:38ceb79fef03 101
kevman 0:38ceb79fef03 102 core_util_critical_section_exit();
kevman 0:38ceb79fef03 103
kevman 0:38ceb79fef03 104 return &ticker_wrapper->data;
kevman 0:38ceb79fef03 105 }
kevman 0:38ceb79fef03 106
kevman 0:38ceb79fef03 107 void lp_ticker_wrapper_suspend()
kevman 0:38ceb79fef03 108 {
kevman 0:38ceb79fef03 109 if (!init) {
kevman 0:38ceb79fef03 110 // Force ticker to initialize
kevman 0:38ceb79fef03 111 get_lp_ticker_data();
kevman 0:38ceb79fef03 112 }
kevman 0:38ceb79fef03 113
kevman 0:38ceb79fef03 114 ticker_wrapper->suspend();
kevman 0:38ceb79fef03 115 }
kevman 0:38ceb79fef03 116
kevman 0:38ceb79fef03 117 void lp_ticker_wrapper_resume()
kevman 0:38ceb79fef03 118 {
kevman 0:38ceb79fef03 119 if (!init) {
kevman 0:38ceb79fef03 120 // Force ticker to initialize
kevman 0:38ceb79fef03 121 get_lp_ticker_data();
kevman 0:38ceb79fef03 122 }
kevman 0:38ceb79fef03 123
kevman 0:38ceb79fef03 124 ticker_wrapper->resume();
kevman 0:38ceb79fef03 125 }
kevman 0:38ceb79fef03 126
kevman 0:38ceb79fef03 127 #endif