Rahul Dahiya / Mbed OS STM32F7 Ethernet

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mbed-os/platform/mbed_rtc_time.cpp@0:fb8047b156bb, 2020-01-15 (annotated)

Committer:
rahul_dahiya
Date:
Wed Jan 15 15:57:15 2020 +0530
Revision:
0:fb8047b156bb
STM32F7 LWIP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rahul_dahiya 0:fb8047b156bb 1 /* mbed Microcontroller Library
rahul_dahiya 0:fb8047b156bb 2 * Copyright (c) 2006-2013 ARM Limited
rahul_dahiya 0:fb8047b156bb 3 *
rahul_dahiya 0:fb8047b156bb 4 * Licensed under the Apache License, Version 2.0 (the "License");
rahul_dahiya 0:fb8047b156bb 5 * you may not use this file except in compliance with the License.
rahul_dahiya 0:fb8047b156bb 6 * You may obtain a copy of the License at
rahul_dahiya 0:fb8047b156bb 7 *
rahul_dahiya 0:fb8047b156bb 8 * http://www.apache.org/licenses/LICENSE-2.0
rahul_dahiya 0:fb8047b156bb 9 *
rahul_dahiya 0:fb8047b156bb 10 * Unless required by applicable law or agreed to in writing, software
rahul_dahiya 0:fb8047b156bb 11 * distributed under the License is distributed on an "AS IS" BASIS,
rahul_dahiya 0:fb8047b156bb 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rahul_dahiya 0:fb8047b156bb 13 * See the License for the specific language governing permissions and
rahul_dahiya 0:fb8047b156bb 14 * limitations under the License.
rahul_dahiya 0:fb8047b156bb 15 */
rahul_dahiya 0:fb8047b156bb 16 #include "hal/rtc_api.h"
rahul_dahiya 0:fb8047b156bb 17
rahul_dahiya 0:fb8047b156bb 18 #include "platform/mbed_critical.h"
rahul_dahiya 0:fb8047b156bb 19 #include "platform/mbed_rtc_time.h"
rahul_dahiya 0:fb8047b156bb 20 #include "platform/SingletonPtr.h"
rahul_dahiya 0:fb8047b156bb 21 #include "platform/PlatformMutex.h"
rahul_dahiya 0:fb8047b156bb 22
rahul_dahiya 0:fb8047b156bb 23 static SingletonPtr<PlatformMutex> _mutex;
rahul_dahiya 0:fb8047b156bb 24
rahul_dahiya 0:fb8047b156bb 25 #if DEVICE_RTC
rahul_dahiya 0:fb8047b156bb 26 static void (*_rtc_init)(void) = rtc_init;
rahul_dahiya 0:fb8047b156bb 27 static int (*_rtc_isenabled)(void) = rtc_isenabled;
rahul_dahiya 0:fb8047b156bb 28 static time_t (*_rtc_read)(void) = rtc_read;
rahul_dahiya 0:fb8047b156bb 29 static void (*_rtc_write)(time_t t) = rtc_write;
rahul_dahiya 0:fb8047b156bb 30 #else
rahul_dahiya 0:fb8047b156bb 31 static void (*_rtc_init)(void) = NULL;
rahul_dahiya 0:fb8047b156bb 32 static int (*_rtc_isenabled)(void) = NULL;
rahul_dahiya 0:fb8047b156bb 33 static time_t (*_rtc_read)(void) = NULL;
rahul_dahiya 0:fb8047b156bb 34 static void (*_rtc_write)(time_t t) = NULL;
rahul_dahiya 0:fb8047b156bb 35 #endif
rahul_dahiya 0:fb8047b156bb 36
rahul_dahiya 0:fb8047b156bb 37 #ifdef __cplusplus
rahul_dahiya 0:fb8047b156bb 38 extern "C" {
rahul_dahiya 0:fb8047b156bb 39 #endif
rahul_dahiya 0:fb8047b156bb 40 #if defined (__ICCARM__)
rahul_dahiya 0:fb8047b156bb 41 time_t __time32(time_t *timer)
rahul_dahiya 0:fb8047b156bb 42 #else
rahul_dahiya 0:fb8047b156bb 43 time_t time(time_t *timer)
rahul_dahiya 0:fb8047b156bb 44 #endif
rahul_dahiya 0:fb8047b156bb 45
rahul_dahiya 0:fb8047b156bb 46 {
rahul_dahiya 0:fb8047b156bb 47 _mutex->lock();
rahul_dahiya 0:fb8047b156bb 48 if (_rtc_isenabled != NULL) {
rahul_dahiya 0:fb8047b156bb 49 if (!(_rtc_isenabled())) {
rahul_dahiya 0:fb8047b156bb 50 set_time(0);
rahul_dahiya 0:fb8047b156bb 51 }
rahul_dahiya 0:fb8047b156bb 52 }
rahul_dahiya 0:fb8047b156bb 53
rahul_dahiya 0:fb8047b156bb 54 time_t t = (time_t)-1;
rahul_dahiya 0:fb8047b156bb 55 if (_rtc_read != NULL) {
rahul_dahiya 0:fb8047b156bb 56 t = _rtc_read();
rahul_dahiya 0:fb8047b156bb 57 }
rahul_dahiya 0:fb8047b156bb 58
rahul_dahiya 0:fb8047b156bb 59 if (timer != NULL) {
rahul_dahiya 0:fb8047b156bb 60 *timer = t;
rahul_dahiya 0:fb8047b156bb 61 }
rahul_dahiya 0:fb8047b156bb 62 _mutex->unlock();
rahul_dahiya 0:fb8047b156bb 63 return t;
rahul_dahiya 0:fb8047b156bb 64 }
rahul_dahiya 0:fb8047b156bb 65
rahul_dahiya 0:fb8047b156bb 66 void set_time(time_t t) {
rahul_dahiya 0:fb8047b156bb 67 _mutex->lock();
rahul_dahiya 0:fb8047b156bb 68 if (_rtc_init != NULL) {
rahul_dahiya 0:fb8047b156bb 69 _rtc_init();
rahul_dahiya 0:fb8047b156bb 70 }
rahul_dahiya 0:fb8047b156bb 71 if (_rtc_write != NULL) {
rahul_dahiya 0:fb8047b156bb 72 _rtc_write(t);
rahul_dahiya 0:fb8047b156bb 73 }
rahul_dahiya 0:fb8047b156bb 74 _mutex->unlock();
rahul_dahiya 0:fb8047b156bb 75 }
rahul_dahiya 0:fb8047b156bb 76
rahul_dahiya 0:fb8047b156bb 77 void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void)) {
rahul_dahiya 0:fb8047b156bb 78 _mutex->lock();
rahul_dahiya 0:fb8047b156bb 79 _rtc_read = read_rtc;
rahul_dahiya 0:fb8047b156bb 80 _rtc_write = write_rtc;
rahul_dahiya 0:fb8047b156bb 81 _rtc_init = init_rtc;
rahul_dahiya 0:fb8047b156bb 82 _rtc_isenabled = isenabled_rtc;
rahul_dahiya 0:fb8047b156bb 83 _mutex->unlock();
rahul_dahiya 0:fb8047b156bb 84 }
rahul_dahiya 0:fb8047b156bb 85
rahul_dahiya 0:fb8047b156bb 86
rahul_dahiya 0:fb8047b156bb 87
rahul_dahiya 0:fb8047b156bb 88 #ifdef __cplusplus
rahul_dahiya 0:fb8047b156bb 89 }
rahul_dahiya 0:fb8047b156bb 90 #endif