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75 lines
2 KiB
C
75 lines
2 KiB
C
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/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <time.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** Implementation of the C time.h functions
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*
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* Provides mechanisms to set and read the current time, based
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* on the microcontroller Real-Time Clock (RTC), plus some
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* standard C manipulation and formating functions.
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*
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* Example:
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* @code
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* #include "mbed.h"
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*
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* int main() {
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* set_time(1256729737); // Set RTC time to Wed, 28 Oct 2009 11:35:37
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*
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* while(1) {
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* time_t seconds = time(NULL);
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*
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* printf("Time as seconds since January 1, 1970 = %d\n", seconds);
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*
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* printf("Time as a basic string = %s", ctime(&seconds));
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*
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* char buffer[32];
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* strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds));
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* printf("Time as a custom formatted string = %s", buffer);
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*
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* wait(1);
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* }
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* }
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* @endcode
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*/
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/** Set the current time
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*
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* Initialises and sets the time of the microcontroller Real-Time Clock (RTC)
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* to the time represented by the number of seconds since January 1, 1970
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* (the UNIX timestamp).
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*
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* @param t Number of seconds since January 1, 1970 (the UNIX timestamp)
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*
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* Example:
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* @code
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* #include "mbed.h"
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*
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* int main() {
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* set_time(1256729737); // Set time to Wed, 28 Oct 2009 11:35:37
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* }
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* @endcode
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*/
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void set_time(time_t t);
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#ifdef __cplusplus
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}
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#endif
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