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Superseded
This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.
Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.
If you are looking for a stable and tested release, please import one of the official mbed library releases:
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common/rtc_time.c
- Committer:
- mbed_official
- Date:
- 2015-09-25
- Revision:
- 626:ba773d547214
- Parent:
- 489:119543c9f674
File content as of revision 626:ba773d547214:
/* 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 "rtc_api.h" #include <time.h> #include "rtc_time.h" #include "us_ticker_api.h" #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; #else 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 #ifdef __cplusplus extern "C" { #endif #if defined (__ICCARM__) time_t __time32(time_t *timer) #else time_t time(time_t *timer) #endif { if (_rtc_isenabled != NULL) { if (!(_rtc_isenabled())) { set_time(0); } } time_t t = 0; if (_rtc_read != NULL) { t = _rtc_read(); } if (timer != NULL) { *timer = t; } return t; } void set_time(time_t t) { if (_rtc_init != NULL) { _rtc_init(); } if (_rtc_write != NULL) { _rtc_write(t); } } clock_t clock() { clock_t t = us_ticker_read(); t /= 1000000 / CLOCKS_PER_SEC; // convert to processor time return t; } void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void)) { __disable_irq(); _rtc_read = read_rtc; _rtc_write = write_rtc; _rtc_init = init_rtc; _rtc_isenabled = isenabled_rtc; __enable_irq(); } #ifdef __cplusplus } #endif