Marco Zecchini / Mbed OS Example_RTOS

Rtos API example

mbed-os/platform/mbed_rtc_time.cpp@0:9fca2b23d0ba, 2019-02-23 (annotated)

Committer:
marcozecchini
Date:
Sat Feb 23 12:13:36 2019 +0000
Revision:
0:9fca2b23d0ba
final commit

Who changed what in which revision?

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marcozecchini 0:9fca2b23d0ba 1 /* mbed Microcontroller Library
marcozecchini 0:9fca2b23d0ba 2 * Copyright (c) 2006-2013 ARM Limited
marcozecchini 0:9fca2b23d0ba 3 *
marcozecchini 0:9fca2b23d0ba 4 * Licensed under the Apache License, Version 2.0 (the "License");
marcozecchini 0:9fca2b23d0ba 5 * you may not use this file except in compliance with the License.
marcozecchini 0:9fca2b23d0ba 6 * You may obtain a copy of the License at
marcozecchini 0:9fca2b23d0ba 7 *
marcozecchini 0:9fca2b23d0ba 8 * http://www.apache.org/licenses/LICENSE-2.0
marcozecchini 0:9fca2b23d0ba 9 *
marcozecchini 0:9fca2b23d0ba 10 * Unless required by applicable law or agreed to in writing, software
marcozecchini 0:9fca2b23d0ba 11 * distributed under the License is distributed on an "AS IS" BASIS,
marcozecchini 0:9fca2b23d0ba 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini 0:9fca2b23d0ba 13 * See the License for the specific language governing permissions and
marcozecchini 0:9fca2b23d0ba 14 * limitations under the License.
marcozecchini 0:9fca2b23d0ba 15 */
marcozecchini 0:9fca2b23d0ba 16 #include "hal/rtc_api.h"
marcozecchini 0:9fca2b23d0ba 17
marcozecchini 0:9fca2b23d0ba 18 #include "platform/mbed_critical.h"
marcozecchini 0:9fca2b23d0ba 19 #include "platform/mbed_rtc_time.h"
marcozecchini 0:9fca2b23d0ba 20 #include "platform/SingletonPtr.h"
marcozecchini 0:9fca2b23d0ba 21 #include "platform/PlatformMutex.h"
marcozecchini 0:9fca2b23d0ba 22
marcozecchini 0:9fca2b23d0ba 23 static SingletonPtr<PlatformMutex> _mutex;
marcozecchini 0:9fca2b23d0ba 24
marcozecchini 0:9fca2b23d0ba 25 #if DEVICE_RTC
marcozecchini 0:9fca2b23d0ba 26 static void (*_rtc_init)(void) = rtc_init;
marcozecchini 0:9fca2b23d0ba 27 static int (*_rtc_isenabled)(void) = rtc_isenabled;
marcozecchini 0:9fca2b23d0ba 28 static time_t (*_rtc_read)(void) = rtc_read;
marcozecchini 0:9fca2b23d0ba 29 static void (*_rtc_write)(time_t t) = rtc_write;
marcozecchini 0:9fca2b23d0ba 30 #else
marcozecchini 0:9fca2b23d0ba 31 static void (*_rtc_init)(void) = NULL;
marcozecchini 0:9fca2b23d0ba 32 static int (*_rtc_isenabled)(void) = NULL;
marcozecchini 0:9fca2b23d0ba 33 static time_t (*_rtc_read)(void) = NULL;
marcozecchini 0:9fca2b23d0ba 34 static void (*_rtc_write)(time_t t) = NULL;
marcozecchini 0:9fca2b23d0ba 35 #endif
marcozecchini 0:9fca2b23d0ba 36
marcozecchini 0:9fca2b23d0ba 37 #ifdef __cplusplus
marcozecchini 0:9fca2b23d0ba 38 extern "C" {
marcozecchini 0:9fca2b23d0ba 39 #endif
marcozecchini 0:9fca2b23d0ba 40 #if defined (__ICCARM__)
marcozecchini 0:9fca2b23d0ba 41 time_t __time32(time_t *timer)
marcozecchini 0:9fca2b23d0ba 42 #else
marcozecchini 0:9fca2b23d0ba 43 time_t time(time_t *timer)
marcozecchini 0:9fca2b23d0ba 44 #endif
marcozecchini 0:9fca2b23d0ba 45
marcozecchini 0:9fca2b23d0ba 46 {
marcozecchini 0:9fca2b23d0ba 47 _mutex->lock();
marcozecchini 0:9fca2b23d0ba 48 if (_rtc_isenabled != NULL) {
marcozecchini 0:9fca2b23d0ba 49 if (!(_rtc_isenabled())) {
marcozecchini 0:9fca2b23d0ba 50 set_time(0);
marcozecchini 0:9fca2b23d0ba 51 }
marcozecchini 0:9fca2b23d0ba 52 }
marcozecchini 0:9fca2b23d0ba 53
marcozecchini 0:9fca2b23d0ba 54 time_t t = (time_t)-1;
marcozecchini 0:9fca2b23d0ba 55 if (_rtc_read != NULL) {
marcozecchini 0:9fca2b23d0ba 56 t = _rtc_read();
marcozecchini 0:9fca2b23d0ba 57 }
marcozecchini 0:9fca2b23d0ba 58
marcozecchini 0:9fca2b23d0ba 59 if (timer != NULL) {
marcozecchini 0:9fca2b23d0ba 60 *timer = t;
marcozecchini 0:9fca2b23d0ba 61 }
marcozecchini 0:9fca2b23d0ba 62 _mutex->unlock();
marcozecchini 0:9fca2b23d0ba 63 return t;
marcozecchini 0:9fca2b23d0ba 64 }
marcozecchini 0:9fca2b23d0ba 65
marcozecchini 0:9fca2b23d0ba 66 void set_time(time_t t) {
marcozecchini 0:9fca2b23d0ba 67 _mutex->lock();
marcozecchini 0:9fca2b23d0ba 68 if (_rtc_init != NULL) {
marcozecchini 0:9fca2b23d0ba 69 _rtc_init();
marcozecchini 0:9fca2b23d0ba 70 }
marcozecchini 0:9fca2b23d0ba 71 if (_rtc_write != NULL) {
marcozecchini 0:9fca2b23d0ba 72 _rtc_write(t);
marcozecchini 0:9fca2b23d0ba 73 }
marcozecchini 0:9fca2b23d0ba 74 _mutex->unlock();
marcozecchini 0:9fca2b23d0ba 75 }
marcozecchini 0:9fca2b23d0ba 76
marcozecchini 0:9fca2b23d0ba 77 void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void)) {
marcozecchini 0:9fca2b23d0ba 78 _mutex->lock();
marcozecchini 0:9fca2b23d0ba 79 _rtc_read = read_rtc;
marcozecchini 0:9fca2b23d0ba 80 _rtc_write = write_rtc;
marcozecchini 0:9fca2b23d0ba 81 _rtc_init = init_rtc;
marcozecchini 0:9fca2b23d0ba 82 _rtc_isenabled = isenabled_rtc;
marcozecchini 0:9fca2b23d0ba 83 _mutex->unlock();
marcozecchini 0:9fca2b23d0ba 84 }
marcozecchini 0:9fca2b23d0ba 85
marcozecchini 0:9fca2b23d0ba 86
marcozecchini 0:9fca2b23d0ba 87
marcozecchini 0:9fca2b23d0ba 88 #ifdef __cplusplus
marcozecchini 0:9fca2b23d0ba 89 }
marcozecchini 0:9fca2b23d0ba 90 #endif