mbed-os/libraries/mbed/common/rtc_time.c

64 lines
1.3 KiB
C

/* 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"
#ifdef __cplusplus
extern "C" {
#endif
#if defined (__ICCARM__)
time_t __time32(time_t *timer)
#else
time_t time(time_t *timer)
#endif
{
#if DEVICE_RTC
if (!(rtc_isenabled())) {
set_time(0);
}
time_t t = rtc_read();
#else
time_t t = 0;
#endif
if (timer != NULL) {
*timer = t;
}
return t;
}
void set_time(time_t t) {
#if DEVICE_RTC
rtc_init();
rtc_write(t);
#endif
}
clock_t clock() {
clock_t t = us_ticker_read();
t /= 1000000 / CLOCKS_PER_SEC; // convert to processor time
return t;
}
#ifdef __cplusplus
}
#endif