takashi kadono / Mbed OS Nucleo446_SSD1331

Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466

Dependencies:   ssd1331

mbed-os/platform/mbed_rtc_time.cpp@3:f3764f852aa8, 2018-10-11 (annotated)

Committer:
kadonotakashi
Date:
Thu Oct 11 02:27:46 2018 +0000
Revision:
3:f3764f852aa8
Parent:
0:8fdf9a60065b 
Nucreo 446 + SSD1331 test version;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kadonotakashi 0:8fdf9a60065b 1 /* mbed Microcontroller Library
kadonotakashi 0:8fdf9a60065b 2 * Copyright (c) 2006-2013 ARM Limited
kadonotakashi 0:8fdf9a60065b 3 *
kadonotakashi 0:8fdf9a60065b 4 * Licensed under the Apache License, Version 2.0 (the "License");
kadonotakashi 0:8fdf9a60065b 5 * you may not use this file except in compliance with the License.
kadonotakashi 0:8fdf9a60065b 6 * You may obtain a copy of the License at
kadonotakashi 0:8fdf9a60065b 7 *
kadonotakashi 0:8fdf9a60065b 8 * http://www.apache.org/licenses/LICENSE-2.0
kadonotakashi 0:8fdf9a60065b 9 *
kadonotakashi 0:8fdf9a60065b 10 * Unless required by applicable law or agreed to in writing, software
kadonotakashi 0:8fdf9a60065b 11 * distributed under the License is distributed on an "AS IS" BASIS,
kadonotakashi 0:8fdf9a60065b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kadonotakashi 0:8fdf9a60065b 13 * See the License for the specific language governing permissions and
kadonotakashi 0:8fdf9a60065b 14 * limitations under the License.
kadonotakashi 0:8fdf9a60065b 15 */
kadonotakashi 0:8fdf9a60065b 16 #include "hal/rtc_api.h"
kadonotakashi 0:8fdf9a60065b 17
kadonotakashi 0:8fdf9a60065b 18 #include "platform/mbed_critical.h"
kadonotakashi 0:8fdf9a60065b 19 #include "platform/mbed_rtc_time.h"
kadonotakashi 0:8fdf9a60065b 20 #include "platform/SingletonPtr.h"
kadonotakashi 0:8fdf9a60065b 21 #include "platform/PlatformMutex.h"
kadonotakashi 0:8fdf9a60065b 22
kadonotakashi 0:8fdf9a60065b 23 static SingletonPtr<PlatformMutex> _mutex;
kadonotakashi 0:8fdf9a60065b 24
kadonotakashi 0:8fdf9a60065b 25 #if DEVICE_RTC
kadonotakashi 0:8fdf9a60065b 26
kadonotakashi 0:8fdf9a60065b 27 static void (*_rtc_init)(void) = rtc_init;
kadonotakashi 0:8fdf9a60065b 28 static int (*_rtc_isenabled)(void) = rtc_isenabled;
kadonotakashi 0:8fdf9a60065b 29 static time_t (*_rtc_read)(void) = rtc_read;
kadonotakashi 0:8fdf9a60065b 30 static void (*_rtc_write)(time_t t) = rtc_write;
kadonotakashi 0:8fdf9a60065b 31
kadonotakashi 0:8fdf9a60065b 32 #elif DEVICE_LPTICKER
kadonotakashi 0:8fdf9a60065b 33
kadonotakashi 0:8fdf9a60065b 34 #include "drivers/LowPowerTimer.h"
kadonotakashi 0:8fdf9a60065b 35
kadonotakashi 0:8fdf9a60065b 36 #define US_PER_SEC 1000000
kadonotakashi 0:8fdf9a60065b 37
kadonotakashi 0:8fdf9a60065b 38 static SingletonPtr<mbed::LowPowerTimer> _rtc_lp_timer;
kadonotakashi 0:8fdf9a60065b 39 static uint64_t _rtc_lp_base;
kadonotakashi 0:8fdf9a60065b 40 static bool _rtc_enabled;
kadonotakashi 0:8fdf9a60065b 41
kadonotakashi 0:8fdf9a60065b 42 static void _rtc_lpticker_init(void)
kadonotakashi 0:8fdf9a60065b 43 {
kadonotakashi 0:8fdf9a60065b 44 _rtc_lp_timer->start();
kadonotakashi 0:8fdf9a60065b 45 _rtc_enabled = true;
kadonotakashi 0:8fdf9a60065b 46 }
kadonotakashi 0:8fdf9a60065b 47
kadonotakashi 0:8fdf9a60065b 48 static int _rtc_lpticker_isenabled(void)
kadonotakashi 0:8fdf9a60065b 49 {
kadonotakashi 0:8fdf9a60065b 50 return (_rtc_enabled == true);
kadonotakashi 0:8fdf9a60065b 51 }
kadonotakashi 0:8fdf9a60065b 52
kadonotakashi 0:8fdf9a60065b 53 static time_t _rtc_lpticker_read(void)
kadonotakashi 0:8fdf9a60065b 54 {
kadonotakashi 0:8fdf9a60065b 55 return _rtc_lp_timer->read_high_resolution_us() / US_PER_SEC + _rtc_lp_base;
kadonotakashi 0:8fdf9a60065b 56 }
kadonotakashi 0:8fdf9a60065b 57
kadonotakashi 0:8fdf9a60065b 58 static void _rtc_lpticker_write(time_t t)
kadonotakashi 0:8fdf9a60065b 59 {
kadonotakashi 0:8fdf9a60065b 60 _rtc_lp_base = t;
kadonotakashi 0:8fdf9a60065b 61 }
kadonotakashi 0:8fdf9a60065b 62
kadonotakashi 0:8fdf9a60065b 63 static void (*_rtc_init)(void) = _rtc_lpticker_init;
kadonotakashi 0:8fdf9a60065b 64 static int (*_rtc_isenabled)(void) = _rtc_lpticker_isenabled;
kadonotakashi 0:8fdf9a60065b 65 static time_t (*_rtc_read)(void) = _rtc_lpticker_read;
kadonotakashi 0:8fdf9a60065b 66 static void (*_rtc_write)(time_t t) = _rtc_lpticker_write;
kadonotakashi 0:8fdf9a60065b 67
kadonotakashi 0:8fdf9a60065b 68 #else /* DEVICE_LPTICKER */
kadonotakashi 0:8fdf9a60065b 69
kadonotakashi 0:8fdf9a60065b 70 static void (*_rtc_init)(void) = NULL;
kadonotakashi 0:8fdf9a60065b 71 static int (*_rtc_isenabled)(void) = NULL;
kadonotakashi 0:8fdf9a60065b 72 static time_t (*_rtc_read)(void) = NULL;
kadonotakashi 0:8fdf9a60065b 73 static void (*_rtc_write)(time_t t) = NULL;
kadonotakashi 0:8fdf9a60065b 74 #endif /* DEVICE_LPTICKER */
kadonotakashi 0:8fdf9a60065b 75
kadonotakashi 0:8fdf9a60065b 76 #ifdef __cplusplus
kadonotakashi 0:8fdf9a60065b 77 extern "C" {
kadonotakashi 0:8fdf9a60065b 78 #endif
kadonotakashi 0:8fdf9a60065b 79 #if defined (__ICCARM__)
kadonotakashi 0:8fdf9a60065b 80 time_t __time32(time_t *timer)
kadonotakashi 0:8fdf9a60065b 81 #else
kadonotakashi 0:8fdf9a60065b 82 time_t time(time_t *timer)
kadonotakashi 0:8fdf9a60065b 83 #endif
kadonotakashi 0:8fdf9a60065b 84
kadonotakashi 0:8fdf9a60065b 85 {
kadonotakashi 0:8fdf9a60065b 86 _mutex->lock();
kadonotakashi 0:8fdf9a60065b 87 if (_rtc_isenabled != NULL) {
kadonotakashi 0:8fdf9a60065b 88 if (!(_rtc_isenabled())) {
kadonotakashi 0:8fdf9a60065b 89 set_time(0);
kadonotakashi 0:8fdf9a60065b 90 }
kadonotakashi 0:8fdf9a60065b 91 }
kadonotakashi 0:8fdf9a60065b 92
kadonotakashi 0:8fdf9a60065b 93 time_t t = (time_t) -1;
kadonotakashi 0:8fdf9a60065b 94 if (_rtc_read != NULL) {
kadonotakashi 0:8fdf9a60065b 95 t = _rtc_read();
kadonotakashi 0:8fdf9a60065b 96 }
kadonotakashi 0:8fdf9a60065b 97
kadonotakashi 0:8fdf9a60065b 98 if (timer != NULL) {
kadonotakashi 0:8fdf9a60065b 99 *timer = t;
kadonotakashi 0:8fdf9a60065b 100 }
kadonotakashi 0:8fdf9a60065b 101 _mutex->unlock();
kadonotakashi 0:8fdf9a60065b 102 return t;
kadonotakashi 0:8fdf9a60065b 103 }
kadonotakashi 0:8fdf9a60065b 104
kadonotakashi 0:8fdf9a60065b 105 void set_time(time_t t)
kadonotakashi 0:8fdf9a60065b 106 {
kadonotakashi 0:8fdf9a60065b 107 _mutex->lock();
kadonotakashi 0:8fdf9a60065b 108 if (_rtc_init != NULL) {
kadonotakashi 0:8fdf9a60065b 109 _rtc_init();
kadonotakashi 0:8fdf9a60065b 110 }
kadonotakashi 0:8fdf9a60065b 111 if (_rtc_write != NULL) {
kadonotakashi 0:8fdf9a60065b 112 _rtc_write(t);
kadonotakashi 0:8fdf9a60065b 113 }
kadonotakashi 0:8fdf9a60065b 114 _mutex->unlock();
kadonotakashi 0:8fdf9a60065b 115 }
kadonotakashi 0:8fdf9a60065b 116
kadonotakashi 0:8fdf9a60065b 117 void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void))
kadonotakashi 0:8fdf9a60065b 118 {
kadonotakashi 0:8fdf9a60065b 119 _mutex->lock();
kadonotakashi 0:8fdf9a60065b 120 _rtc_read = read_rtc;
kadonotakashi 0:8fdf9a60065b 121 _rtc_write = write_rtc;
kadonotakashi 0:8fdf9a60065b 122 _rtc_init = init_rtc;
kadonotakashi 0:8fdf9a60065b 123 _rtc_isenabled = isenabled_rtc;
kadonotakashi 0:8fdf9a60065b 124 _mutex->unlock();
kadonotakashi 0:8fdf9a60065b 125 }
kadonotakashi 0:8fdf9a60065b 126
kadonotakashi 0:8fdf9a60065b 127
kadonotakashi 0:8fdf9a60065b 128
kadonotakashi 0:8fdf9a60065b 129 #ifdef __cplusplus
kadonotakashi 0:8fdf9a60065b 130 }
kadonotakashi 0:8fdf9a60065b 131 #endif