mbed library sources modify the rtc/i2c
Dependents: SSD1306_smart_watch
Fork of mbed-src by
capi/rtc_time.h
- Committer:
- mbed_official
- Date:
- 2012-11-20
- Revision:
- 0:fd0d7bdfcdc2
- Child:
- 2:143cac498751
File content as of revision 0:fd0d7bdfcdc2:
/* mbed Microcontroller Library * Copyright (c) 2006-2012 ARM Limited * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include <time.h> #ifdef __cplusplus extern "C" { #endif /** Implementation of the C time.h functions * * Provides mechanisms to set and read the current time, based * on the microcontroller Real-Time Clock (RTC), plus some * standard C manipulation and formating functions. * * Example: * @code * #include "mbed.h" * * int main() { * set_time(1256729737); // Set RTC time to Wed, 28 Oct 2009 11:35:37 * * while(1) { * time_t seconds = time(NULL); * * printf("Time as seconds since January 1, 1970 = %d\n", seconds); * * printf("Time as a basic string = %s", ctime(&seconds)); * * char buffer[32]; * strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds)); * printf("Time as a custom formatted string = %s", buffer); * * wait(1); * } * } * @endcode */ /** Set the current time * * Initialises and sets the time of the microcontroller Real-Time Clock (RTC) * to the time represented by the number of seconds since January 1, 1970 * (the UNIX timestamp). * * @param t Number of seconds since January 1, 1970 (the UNIX timestamp) * * Example: * @code * #include "mbed.h" * * int main() { * set_time(1256729737); // Set time to Wed, 28 Oct 2009 11:35:37 * } * @endcode */ void set_time(time_t t); #ifdef __cplusplus } #endif