BA / Mbed OS BaBoRo_test2

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mbed-os/platform/mbed_rtc_time.cpp@0:02dd72d1d465, 2018-04-24 (annotated)

Committer:
borlanic
Date:
Tue Apr 24 11:45:18 2018 +0000
Revision:
0:02dd72d1d465
BaBoRo_test2 - backup 1

Who changed what in which revision?

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borlanic 0:02dd72d1d465 1 /* mbed Microcontroller Library
borlanic 0:02dd72d1d465 2 * Copyright (c) 2006-2013 ARM Limited
borlanic 0:02dd72d1d465 3 *
borlanic 0:02dd72d1d465 4 * Licensed under the Apache License, Version 2.0 (the "License");
borlanic 0:02dd72d1d465 5 * you may not use this file except in compliance with the License.
borlanic 0:02dd72d1d465 6 * You may obtain a copy of the License at
borlanic 0:02dd72d1d465 7 *
borlanic 0:02dd72d1d465 8 * http://www.apache.org/licenses/LICENSE-2.0
borlanic 0:02dd72d1d465 9 *
borlanic 0:02dd72d1d465 10 * Unless required by applicable law or agreed to in writing, software
borlanic 0:02dd72d1d465 11 * distributed under the License is distributed on an "AS IS" BASIS,
borlanic 0:02dd72d1d465 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
borlanic 0:02dd72d1d465 13 * See the License for the specific language governing permissions and
borlanic 0:02dd72d1d465 14 * limitations under the License.
borlanic 0:02dd72d1d465 15 */
borlanic 0:02dd72d1d465 16 #include "hal/rtc_api.h"
borlanic 0:02dd72d1d465 17
borlanic 0:02dd72d1d465 18 #include "platform/mbed_critical.h"
borlanic 0:02dd72d1d465 19 #include "platform/mbed_rtc_time.h"
borlanic 0:02dd72d1d465 20 #include "platform/SingletonPtr.h"
borlanic 0:02dd72d1d465 21 #include "platform/PlatformMutex.h"
borlanic 0:02dd72d1d465 22
borlanic 0:02dd72d1d465 23 static SingletonPtr<PlatformMutex> _mutex;
borlanic 0:02dd72d1d465 24
borlanic 0:02dd72d1d465 25 #if DEVICE_RTC
borlanic 0:02dd72d1d465 26 static void (*_rtc_init)(void) = rtc_init;
borlanic 0:02dd72d1d465 27 static int (*_rtc_isenabled)(void) = rtc_isenabled;
borlanic 0:02dd72d1d465 28 static time_t (*_rtc_read)(void) = rtc_read;
borlanic 0:02dd72d1d465 29 static void (*_rtc_write)(time_t t) = rtc_write;
borlanic 0:02dd72d1d465 30 #else
borlanic 0:02dd72d1d465 31 static void (*_rtc_init)(void) = NULL;
borlanic 0:02dd72d1d465 32 static int (*_rtc_isenabled)(void) = NULL;
borlanic 0:02dd72d1d465 33 static time_t (*_rtc_read)(void) = NULL;
borlanic 0:02dd72d1d465 34 static void (*_rtc_write)(time_t t) = NULL;
borlanic 0:02dd72d1d465 35 #endif
borlanic 0:02dd72d1d465 36
borlanic 0:02dd72d1d465 37 #ifdef __cplusplus
borlanic 0:02dd72d1d465 38 extern "C" {
borlanic 0:02dd72d1d465 39 #endif
borlanic 0:02dd72d1d465 40 #if defined (__ICCARM__)
borlanic 0:02dd72d1d465 41 time_t __time32(time_t *timer)
borlanic 0:02dd72d1d465 42 #else
borlanic 0:02dd72d1d465 43 time_t time(time_t *timer)
borlanic 0:02dd72d1d465 44 #endif
borlanic 0:02dd72d1d465 45
borlanic 0:02dd72d1d465 46 {
borlanic 0:02dd72d1d465 47 _mutex->lock();
borlanic 0:02dd72d1d465 48 if (_rtc_isenabled != NULL) {
borlanic 0:02dd72d1d465 49 if (!(_rtc_isenabled())) {
borlanic 0:02dd72d1d465 50 set_time(0);
borlanic 0:02dd72d1d465 51 }
borlanic 0:02dd72d1d465 52 }
borlanic 0:02dd72d1d465 53
borlanic 0:02dd72d1d465 54 time_t t = (time_t)-1;
borlanic 0:02dd72d1d465 55 if (_rtc_read != NULL) {
borlanic 0:02dd72d1d465 56 t = _rtc_read();
borlanic 0:02dd72d1d465 57 }
borlanic 0:02dd72d1d465 58
borlanic 0:02dd72d1d465 59 if (timer != NULL) {
borlanic 0:02dd72d1d465 60 *timer = t;
borlanic 0:02dd72d1d465 61 }
borlanic 0:02dd72d1d465 62 _mutex->unlock();
borlanic 0:02dd72d1d465 63 return t;
borlanic 0:02dd72d1d465 64 }
borlanic 0:02dd72d1d465 65
borlanic 0:02dd72d1d465 66 void set_time(time_t t) {
borlanic 0:02dd72d1d465 67 _mutex->lock();
borlanic 0:02dd72d1d465 68 if (_rtc_init != NULL) {
borlanic 0:02dd72d1d465 69 _rtc_init();
borlanic 0:02dd72d1d465 70 }
borlanic 0:02dd72d1d465 71 if (_rtc_write != NULL) {
borlanic 0:02dd72d1d465 72 _rtc_write(t);
borlanic 0:02dd72d1d465 73 }
borlanic 0:02dd72d1d465 74 _mutex->unlock();
borlanic 0:02dd72d1d465 75 }
borlanic 0:02dd72d1d465 76
borlanic 0:02dd72d1d465 77 void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void)) {
borlanic 0:02dd72d1d465 78 _mutex->lock();
borlanic 0:02dd72d1d465 79 _rtc_read = read_rtc;
borlanic 0:02dd72d1d465 80 _rtc_write = write_rtc;
borlanic 0:02dd72d1d465 81 _rtc_init = init_rtc;
borlanic 0:02dd72d1d465 82 _rtc_isenabled = isenabled_rtc;
borlanic 0:02dd72d1d465 83 _mutex->unlock();
borlanic 0:02dd72d1d465 84 }
borlanic 0:02dd72d1d465 85
borlanic 0:02dd72d1d465 86
borlanic 0:02dd72d1d465 87
borlanic 0:02dd72d1d465 88 #ifdef __cplusplus
borlanic 0:02dd72d1d465 89 }
borlanic 0:02dd72d1d465 90 #endif