Mateusz Kowalik / Application_danix

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Fork of Application by Daniel Sygut

mbed-dev/platform/mbed_rtc_time.cpp@10:41552d038a69, 2017-01-10 (annotated)

Committer:
Zaitsev
Date:
Tue Jan 10 20:42:26 2017 +0000
Revision:
10:41552d038a69
USB Serial bi-directional bridge

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Zaitsev 10:41552d038a69 1 /* mbed Microcontroller Library
Zaitsev 10:41552d038a69 2 * Copyright (c) 2006-2013 ARM Limited
Zaitsev 10:41552d038a69 3 *
Zaitsev 10:41552d038a69 4 * Licensed under the Apache License, Version 2.0 (the "License");
Zaitsev 10:41552d038a69 5 * you may not use this file except in compliance with the License.
Zaitsev 10:41552d038a69 6 * You may obtain a copy of the License at
Zaitsev 10:41552d038a69 7 *
Zaitsev 10:41552d038a69 8 * http://www.apache.org/licenses/LICENSE-2.0
Zaitsev 10:41552d038a69 9 *
Zaitsev 10:41552d038a69 10 * Unless required by applicable law or agreed to in writing, software
Zaitsev 10:41552d038a69 11 * distributed under the License is distributed on an "AS IS" BASIS,
Zaitsev 10:41552d038a69 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Zaitsev 10:41552d038a69 13 * See the License for the specific language governing permissions and
Zaitsev 10:41552d038a69 14 * limitations under the License.
Zaitsev 10:41552d038a69 15 */
Zaitsev 10:41552d038a69 16 #include "hal/rtc_api.h"
Zaitsev 10:41552d038a69 17
Zaitsev 10:41552d038a69 18 #include <time.h>
Zaitsev 10:41552d038a69 19 #include "platform/critical.h"
Zaitsev 10:41552d038a69 20 #include "platform/rtc_time.h"
Zaitsev 10:41552d038a69 21 #include "hal/us_ticker_api.h"
Zaitsev 10:41552d038a69 22 #include "platform/SingletonPtr.h"
Zaitsev 10:41552d038a69 23 #include "platform/PlatformMutex.h"
Zaitsev 10:41552d038a69 24
Zaitsev 10:41552d038a69 25 static SingletonPtr<PlatformMutex> _mutex;
Zaitsev 10:41552d038a69 26
Zaitsev 10:41552d038a69 27 #if DEVICE_RTC
Zaitsev 10:41552d038a69 28 static void (*_rtc_init)(void) = rtc_init;
Zaitsev 10:41552d038a69 29 static int (*_rtc_isenabled)(void) = rtc_isenabled;
Zaitsev 10:41552d038a69 30 static time_t (*_rtc_read)(void) = rtc_read;
Zaitsev 10:41552d038a69 31 static void (*_rtc_write)(time_t t) = rtc_write;
Zaitsev 10:41552d038a69 32 #else
Zaitsev 10:41552d038a69 33 static void (*_rtc_init)(void) = NULL;
Zaitsev 10:41552d038a69 34 static int (*_rtc_isenabled)(void) = NULL;
Zaitsev 10:41552d038a69 35 static time_t (*_rtc_read)(void) = NULL;
Zaitsev 10:41552d038a69 36 static void (*_rtc_write)(time_t t) = NULL;
Zaitsev 10:41552d038a69 37 #endif
Zaitsev 10:41552d038a69 38
Zaitsev 10:41552d038a69 39 #ifdef __cplusplus
Zaitsev 10:41552d038a69 40 extern "C" {
Zaitsev 10:41552d038a69 41 #endif
Zaitsev 10:41552d038a69 42 #if defined (__ICCARM__)
Zaitsev 10:41552d038a69 43 time_t __time32(time_t *timer)
Zaitsev 10:41552d038a69 44 #else
Zaitsev 10:41552d038a69 45 time_t time(time_t *timer)
Zaitsev 10:41552d038a69 46 #endif
Zaitsev 10:41552d038a69 47
Zaitsev 10:41552d038a69 48 {
Zaitsev 10:41552d038a69 49 _mutex->lock();
Zaitsev 10:41552d038a69 50 if (_rtc_isenabled != NULL) {
Zaitsev 10:41552d038a69 51 if (!(_rtc_isenabled())) {
Zaitsev 10:41552d038a69 52 set_time(0);
Zaitsev 10:41552d038a69 53 }
Zaitsev 10:41552d038a69 54 }
Zaitsev 10:41552d038a69 55
Zaitsev 10:41552d038a69 56 time_t t = 0;
Zaitsev 10:41552d038a69 57 if (_rtc_read != NULL) {
Zaitsev 10:41552d038a69 58 t = _rtc_read();
Zaitsev 10:41552d038a69 59 }
Zaitsev 10:41552d038a69 60
Zaitsev 10:41552d038a69 61 if (timer != NULL) {
Zaitsev 10:41552d038a69 62 *timer = t;
Zaitsev 10:41552d038a69 63 }
Zaitsev 10:41552d038a69 64 _mutex->unlock();
Zaitsev 10:41552d038a69 65 return t;
Zaitsev 10:41552d038a69 66 }
Zaitsev 10:41552d038a69 67
Zaitsev 10:41552d038a69 68 void set_time(time_t t) {
Zaitsev 10:41552d038a69 69 _mutex->lock();
Zaitsev 10:41552d038a69 70 if (_rtc_init != NULL) {
Zaitsev 10:41552d038a69 71 _rtc_init();
Zaitsev 10:41552d038a69 72 }
Zaitsev 10:41552d038a69 73 if (_rtc_write != NULL) {
Zaitsev 10:41552d038a69 74 _rtc_write(t);
Zaitsev 10:41552d038a69 75 }
Zaitsev 10:41552d038a69 76 _mutex->unlock();
Zaitsev 10:41552d038a69 77 }
Zaitsev 10:41552d038a69 78
Zaitsev 10:41552d038a69 79 clock_t clock() {
Zaitsev 10:41552d038a69 80 _mutex->lock();
Zaitsev 10:41552d038a69 81 clock_t t = us_ticker_read();
Zaitsev 10:41552d038a69 82 t /= 1000000 / CLOCKS_PER_SEC; // convert to processor time
Zaitsev 10:41552d038a69 83 _mutex->unlock();
Zaitsev 10:41552d038a69 84 return t;
Zaitsev 10:41552d038a69 85 }
Zaitsev 10:41552d038a69 86
Zaitsev 10:41552d038a69 87 void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void)) {
Zaitsev 10:41552d038a69 88 _mutex->lock();
Zaitsev 10:41552d038a69 89 _rtc_read = read_rtc;
Zaitsev 10:41552d038a69 90 _rtc_write = write_rtc;
Zaitsev 10:41552d038a69 91 _rtc_init = init_rtc;
Zaitsev 10:41552d038a69 92 _rtc_isenabled = isenabled_rtc;
Zaitsev 10:41552d038a69 93 _mutex->unlock();
Zaitsev 10:41552d038a69 94 }
Zaitsev 10:41552d038a69 95
Zaitsev 10:41552d038a69 96
Zaitsev 10:41552d038a69 97
Zaitsev 10:41552d038a69 98 #ifdef __cplusplus
Zaitsev 10:41552d038a69 99 }
Zaitsev 10:41552d038a69 100 #endif