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Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466
mbed-os/platform/mbed_rtc_time.cpp
- Committer:
- kadonotakashi
- Date:
- 2018-10-10
- Revision:
- 0:8fdf9a60065b
File content as of revision 0:8fdf9a60065b:
/* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "hal/rtc_api.h" #include "platform/mbed_critical.h" #include "platform/mbed_rtc_time.h" #include "platform/SingletonPtr.h" #include "platform/PlatformMutex.h" static SingletonPtr<PlatformMutex> _mutex; #if DEVICE_RTC static void (*_rtc_init)(void) = rtc_init; static int (*_rtc_isenabled)(void) = rtc_isenabled; static time_t (*_rtc_read)(void) = rtc_read; static void (*_rtc_write)(time_t t) = rtc_write; #elif DEVICE_LPTICKER #include "drivers/LowPowerTimer.h" #define US_PER_SEC 1000000 static SingletonPtr<mbed::LowPowerTimer> _rtc_lp_timer; static uint64_t _rtc_lp_base; static bool _rtc_enabled; static void _rtc_lpticker_init(void) { _rtc_lp_timer->start(); _rtc_enabled = true; } static int _rtc_lpticker_isenabled(void) { return (_rtc_enabled == true); } static time_t _rtc_lpticker_read(void) { return _rtc_lp_timer->read_high_resolution_us() / US_PER_SEC + _rtc_lp_base; } static void _rtc_lpticker_write(time_t t) { _rtc_lp_base = t; } static void (*_rtc_init)(void) = _rtc_lpticker_init; static int (*_rtc_isenabled)(void) = _rtc_lpticker_isenabled; static time_t (*_rtc_read)(void) = _rtc_lpticker_read; static void (*_rtc_write)(time_t t) = _rtc_lpticker_write; #else /* DEVICE_LPTICKER */ static void (*_rtc_init)(void) = NULL; static int (*_rtc_isenabled)(void) = NULL; static time_t (*_rtc_read)(void) = NULL; static void (*_rtc_write)(time_t t) = NULL; #endif /* DEVICE_LPTICKER */ #ifdef __cplusplus extern "C" { #endif #if defined (__ICCARM__) time_t __time32(time_t *timer) #else time_t time(time_t *timer) #endif { _mutex->lock(); if (_rtc_isenabled != NULL) { if (!(_rtc_isenabled())) { set_time(0); } } time_t t = (time_t) -1; if (_rtc_read != NULL) { t = _rtc_read(); } if (timer != NULL) { *timer = t; } _mutex->unlock(); return t; } void set_time(time_t t) { _mutex->lock(); if (_rtc_init != NULL) { _rtc_init(); } if (_rtc_write != NULL) { _rtc_write(t); } _mutex->unlock(); } void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void)) { _mutex->lock(); _rtc_read = read_rtc; _rtc_write = write_rtc; _rtc_init = init_rtc; _rtc_isenabled = isenabled_rtc; _mutex->unlock(); } #ifdef __cplusplus } #endif