Takaaki Numai / mbed-dev

inport from local

Dependents:   Hobbyking_Cheetah_0511

platform/mbed_rtc_time.cpp@0:85b3fd62ea1a, 2020-03-16 (annotated)

Committer:
NYX
Date:
Mon Mar 16 06:35:48 2020 +0000
Revision:
0:85b3fd62ea1a
reinport to mbed;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
NYX 0:85b3fd62ea1a 1 /* mbed Microcontroller Library
NYX 0:85b3fd62ea1a 2 * Copyright (c) 2006-2013 ARM Limited
NYX 0:85b3fd62ea1a 3 *
NYX 0:85b3fd62ea1a 4 * Licensed under the Apache License, Version 2.0 (the "License");
NYX 0:85b3fd62ea1a 5 * you may not use this file except in compliance with the License.
NYX 0:85b3fd62ea1a 6 * You may obtain a copy of the License at
NYX 0:85b3fd62ea1a 7 *
NYX 0:85b3fd62ea1a 8 * http://www.apache.org/licenses/LICENSE-2.0
NYX 0:85b3fd62ea1a 9 *
NYX 0:85b3fd62ea1a 10 * Unless required by applicable law or agreed to in writing, software
NYX 0:85b3fd62ea1a 11 * distributed under the License is distributed on an "AS IS" BASIS,
NYX 0:85b3fd62ea1a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
NYX 0:85b3fd62ea1a 13 * See the License for the specific language governing permissions and
NYX 0:85b3fd62ea1a 14 * limitations under the License.
NYX 0:85b3fd62ea1a 15 */
NYX 0:85b3fd62ea1a 16 #include "hal/rtc_api.h"
NYX 0:85b3fd62ea1a 17
NYX 0:85b3fd62ea1a 18 #include "platform/mbed_critical.h"
NYX 0:85b3fd62ea1a 19 #include "platform/mbed_rtc_time.h"
NYX 0:85b3fd62ea1a 20 #include "platform/SingletonPtr.h"
NYX 0:85b3fd62ea1a 21 #include "platform/PlatformMutex.h"
NYX 0:85b3fd62ea1a 22
NYX 0:85b3fd62ea1a 23 static SingletonPtr<PlatformMutex> _mutex;
NYX 0:85b3fd62ea1a 24
NYX 0:85b3fd62ea1a 25 #if DEVICE_RTC
NYX 0:85b3fd62ea1a 26 static void (*_rtc_init)(void) = rtc_init;
NYX 0:85b3fd62ea1a 27 static int (*_rtc_isenabled)(void) = rtc_isenabled;
NYX 0:85b3fd62ea1a 28 static time_t (*_rtc_read)(void) = rtc_read;
NYX 0:85b3fd62ea1a 29 static void (*_rtc_write)(time_t t) = rtc_write;
NYX 0:85b3fd62ea1a 30 #else
NYX 0:85b3fd62ea1a 31 static void (*_rtc_init)(void) = NULL;
NYX 0:85b3fd62ea1a 32 static int (*_rtc_isenabled)(void) = NULL;
NYX 0:85b3fd62ea1a 33 static time_t (*_rtc_read)(void) = NULL;
NYX 0:85b3fd62ea1a 34 static void (*_rtc_write)(time_t t) = NULL;
NYX 0:85b3fd62ea1a 35 #endif
NYX 0:85b3fd62ea1a 36
NYX 0:85b3fd62ea1a 37 #ifdef __cplusplus
NYX 0:85b3fd62ea1a 38 extern "C" {
NYX 0:85b3fd62ea1a 39 #endif
NYX 0:85b3fd62ea1a 40 #if defined (__ICCARM__)
NYX 0:85b3fd62ea1a 41 time_t __time32(time_t *timer)
NYX 0:85b3fd62ea1a 42 #else
NYX 0:85b3fd62ea1a 43 time_t time(time_t *timer)
NYX 0:85b3fd62ea1a 44 #endif
NYX 0:85b3fd62ea1a 45
NYX 0:85b3fd62ea1a 46 {
NYX 0:85b3fd62ea1a 47 _mutex->lock();
NYX 0:85b3fd62ea1a 48 if (_rtc_isenabled != NULL) {
NYX 0:85b3fd62ea1a 49 if (!(_rtc_isenabled())) {
NYX 0:85b3fd62ea1a 50 set_time(0);
NYX 0:85b3fd62ea1a 51 }
NYX 0:85b3fd62ea1a 52 }
NYX 0:85b3fd62ea1a 53
NYX 0:85b3fd62ea1a 54 time_t t = (time_t)-1;
NYX 0:85b3fd62ea1a 55 if (_rtc_read != NULL) {
NYX 0:85b3fd62ea1a 56 t = _rtc_read();
NYX 0:85b3fd62ea1a 57 }
NYX 0:85b3fd62ea1a 58
NYX 0:85b3fd62ea1a 59 if (timer != NULL) {
NYX 0:85b3fd62ea1a 60 *timer = t;
NYX 0:85b3fd62ea1a 61 }
NYX 0:85b3fd62ea1a 62 _mutex->unlock();
NYX 0:85b3fd62ea1a 63 return t;
NYX 0:85b3fd62ea1a 64 }
NYX 0:85b3fd62ea1a 65
NYX 0:85b3fd62ea1a 66 void set_time(time_t t) {
NYX 0:85b3fd62ea1a 67 _mutex->lock();
NYX 0:85b3fd62ea1a 68 if (_rtc_init != NULL) {
NYX 0:85b3fd62ea1a 69 _rtc_init();
NYX 0:85b3fd62ea1a 70 }
NYX 0:85b3fd62ea1a 71 if (_rtc_write != NULL) {
NYX 0:85b3fd62ea1a 72 _rtc_write(t);
NYX 0:85b3fd62ea1a 73 }
NYX 0:85b3fd62ea1a 74 _mutex->unlock();
NYX 0:85b3fd62ea1a 75 }
NYX 0:85b3fd62ea1a 76
NYX 0:85b3fd62ea1a 77 void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void)) {
NYX 0:85b3fd62ea1a 78 _mutex->lock();
NYX 0:85b3fd62ea1a 79 _rtc_read = read_rtc;
NYX 0:85b3fd62ea1a 80 _rtc_write = write_rtc;
NYX 0:85b3fd62ea1a 81 _rtc_init = init_rtc;
NYX 0:85b3fd62ea1a 82 _rtc_isenabled = isenabled_rtc;
NYX 0:85b3fd62ea1a 83 _mutex->unlock();
NYX 0:85b3fd62ea1a 84 }
NYX 0:85b3fd62ea1a 85
NYX 0:85b3fd62ea1a 86
NYX 0:85b3fd62ea1a 87
NYX 0:85b3fd62ea1a 88 #ifdef __cplusplus
NYX 0:85b3fd62ea1a 89 }
NYX 0:85b3fd62ea1a 90 #endif