Gan likun / The prosthetic control

The prosthetic control（MIT）

platform/mbed_rtc_time.cpp@0:20e0c61e0684, 2022-06-23 (annotated)

Committer:
ganlikun
Date:
Thu Jun 23 05:23:34 2022 +0000
Revision:
0:20e0c61e0684
01

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ganlikun 0:20e0c61e0684 1 /* mbed Microcontroller Library
ganlikun 0:20e0c61e0684 2 * Copyright (c) 2006-2013 ARM Limited
ganlikun 0:20e0c61e0684 3 *
ganlikun 0:20e0c61e0684 4 * Licensed under the Apache License, Version 2.0 (the "License");
ganlikun 0:20e0c61e0684 5 * you may not use this file except in compliance with the License.
ganlikun 0:20e0c61e0684 6 * You may obtain a copy of the License at
ganlikun 0:20e0c61e0684 7 *
ganlikun 0:20e0c61e0684 8 * http://www.apache.org/licenses/LICENSE-2.0
ganlikun 0:20e0c61e0684 9 *
ganlikun 0:20e0c61e0684 10 * Unless required by applicable law or agreed to in writing, software
ganlikun 0:20e0c61e0684 11 * distributed under the License is distributed on an "AS IS" BASIS,
ganlikun 0:20e0c61e0684 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ganlikun 0:20e0c61e0684 13 * See the License for the specific language governing permissions and
ganlikun 0:20e0c61e0684 14 * limitations under the License.
ganlikun 0:20e0c61e0684 15 */
ganlikun 0:20e0c61e0684 16 #include "hal/rtc_api.h"
ganlikun 0:20e0c61e0684 17
ganlikun 0:20e0c61e0684 18 #include "platform/mbed_critical.h"
ganlikun 0:20e0c61e0684 19 #include "platform/mbed_rtc_time.h"
ganlikun 0:20e0c61e0684 20 #include "platform/SingletonPtr.h"
ganlikun 0:20e0c61e0684 21 #include "platform/PlatformMutex.h"
ganlikun 0:20e0c61e0684 22
ganlikun 0:20e0c61e0684 23 static SingletonPtr<PlatformMutex> _mutex;
ganlikun 0:20e0c61e0684 24
ganlikun 0:20e0c61e0684 25 #if DEVICE_RTC
ganlikun 0:20e0c61e0684 26 static void (*_rtc_init)(void) = rtc_init;
ganlikun 0:20e0c61e0684 27 static int (*_rtc_isenabled)(void) = rtc_isenabled;
ganlikun 0:20e0c61e0684 28 static time_t (*_rtc_read)(void) = rtc_read;
ganlikun 0:20e0c61e0684 29 static void (*_rtc_write)(time_t t) = rtc_write;
ganlikun 0:20e0c61e0684 30 #else
ganlikun 0:20e0c61e0684 31 static void (*_rtc_init)(void) = NULL;
ganlikun 0:20e0c61e0684 32 static int (*_rtc_isenabled)(void) = NULL;
ganlikun 0:20e0c61e0684 33 static time_t (*_rtc_read)(void) = NULL;
ganlikun 0:20e0c61e0684 34 static void (*_rtc_write)(time_t t) = NULL;
ganlikun 0:20e0c61e0684 35 #endif
ganlikun 0:20e0c61e0684 36
ganlikun 0:20e0c61e0684 37 #ifdef __cplusplus
ganlikun 0:20e0c61e0684 38 extern "C" {
ganlikun 0:20e0c61e0684 39 #endif
ganlikun 0:20e0c61e0684 40 #if defined (__ICCARM__)
ganlikun 0:20e0c61e0684 41 time_t __time32(time_t *timer)
ganlikun 0:20e0c61e0684 42 #else
ganlikun 0:20e0c61e0684 43 time_t time(time_t *timer)
ganlikun 0:20e0c61e0684 44 #endif
ganlikun 0:20e0c61e0684 45
ganlikun 0:20e0c61e0684 46 {
ganlikun 0:20e0c61e0684 47 _mutex->lock();
ganlikun 0:20e0c61e0684 48 if (_rtc_isenabled != NULL) {
ganlikun 0:20e0c61e0684 49 if (!(_rtc_isenabled())) {
ganlikun 0:20e0c61e0684 50 set_time(0);
ganlikun 0:20e0c61e0684 51 }
ganlikun 0:20e0c61e0684 52 }
ganlikun 0:20e0c61e0684 53
ganlikun 0:20e0c61e0684 54 time_t t = (time_t)-1;
ganlikun 0:20e0c61e0684 55 if (_rtc_read != NULL) {
ganlikun 0:20e0c61e0684 56 t = _rtc_read();
ganlikun 0:20e0c61e0684 57 }
ganlikun 0:20e0c61e0684 58
ganlikun 0:20e0c61e0684 59 if (timer != NULL) {
ganlikun 0:20e0c61e0684 60 *timer = t;
ganlikun 0:20e0c61e0684 61 }
ganlikun 0:20e0c61e0684 62 _mutex->unlock();
ganlikun 0:20e0c61e0684 63 return t;
ganlikun 0:20e0c61e0684 64 }
ganlikun 0:20e0c61e0684 65
ganlikun 0:20e0c61e0684 66 void set_time(time_t t) {
ganlikun 0:20e0c61e0684 67 _mutex->lock();
ganlikun 0:20e0c61e0684 68 if (_rtc_init != NULL) {
ganlikun 0:20e0c61e0684 69 _rtc_init();
ganlikun 0:20e0c61e0684 70 }
ganlikun 0:20e0c61e0684 71 if (_rtc_write != NULL) {
ganlikun 0:20e0c61e0684 72 _rtc_write(t);
ganlikun 0:20e0c61e0684 73 }
ganlikun 0:20e0c61e0684 74 _mutex->unlock();
ganlikun 0:20e0c61e0684 75 }
ganlikun 0:20e0c61e0684 76
ganlikun 0:20e0c61e0684 77 void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void)) {
ganlikun 0:20e0c61e0684 78 _mutex->lock();
ganlikun 0:20e0c61e0684 79 _rtc_read = read_rtc;
ganlikun 0:20e0c61e0684 80 _rtc_write = write_rtc;
ganlikun 0:20e0c61e0684 81 _rtc_init = init_rtc;
ganlikun 0:20e0c61e0684 82 _rtc_isenabled = isenabled_rtc;
ganlikun 0:20e0c61e0684 83 _mutex->unlock();
ganlikun 0:20e0c61e0684 84 }
ganlikun 0:20e0c61e0684 85
ganlikun 0:20e0c61e0684 86
ganlikun 0:20e0c61e0684 87
ganlikun 0:20e0c61e0684 88 #ifdef __cplusplus
ganlikun 0:20e0c61e0684 89 }
ganlikun 0:20e0c61e0684 90 #endif
ganlikun 0:20e0c61e0684 91