RTC auf true
platform/mbed_rtc_time.h
- Committer:
- kevman
- Date:
- 2019-03-13
- Revision:
- 2:7aab896b1a3b
- Parent:
- 0:38ceb79fef03
File content as of revision 2:7aab896b1a3b:
/** \addtogroup platform */ /** @{*/ /** * \defgroup platform_rtc_time rtc_time functions * @{ */ /* 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 <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 formatting functions. * * Example: * @code * #include "mbed.h" * * int main() { * set_time(1256729737); // Set RTC time to Wed, 28 Oct 2009 11:35:37 * * while (true) { * time_t seconds = time(NULL); * * printf("Time as seconds since January 1, 1970 = %u\n", (unsigned int)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 * * Initializes 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) * * @note Synchronization level: Thread safe * * 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); /** Attach an external RTC to be used for the C time functions * * @note Synchronization level: Thread safe * * @param read_rtc pointer to function which returns current UNIX timestamp * @param write_rtc pointer to function which sets current UNIX timestamp, can be NULL * @param init_rtc pointer to function which initializes RTC, can be NULL * @param isenabled_rtc pointer to function which returns if the RTC is enabled, can be NULL */ void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void)); #ifdef __cplusplus } #endif /** @}*/ /** @}*/