Ermanno Brusadin / mbed-src

mbed library sources

common/rtc_time.c@0:0a673c671a56, 2016-07-27 (annotated)

Committer:
ebrus
Date:
Wed Jul 27 18:35:32 2016 +0000
Revision:
0:0a673c671a56
4

Who changed what in which revision?

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ebrus 0:0a673c671a56 1 /* mbed Microcontroller Library
ebrus 0:0a673c671a56 2 * Copyright (c) 2006-2013 ARM Limited
ebrus 0:0a673c671a56 3 *
ebrus 0:0a673c671a56 4 * Licensed under the Apache License, Version 2.0 (the "License");
ebrus 0:0a673c671a56 5 * you may not use this file except in compliance with the License.
ebrus 0:0a673c671a56 6 * You may obtain a copy of the License at
ebrus 0:0a673c671a56 7 *
ebrus 0:0a673c671a56 8 * http://www.apache.org/licenses/LICENSE-2.0
ebrus 0:0a673c671a56 9 *
ebrus 0:0a673c671a56 10 * Unless required by applicable law or agreed to in writing, software
ebrus 0:0a673c671a56 11 * distributed under the License is distributed on an "AS IS" BASIS,
ebrus 0:0a673c671a56 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ebrus 0:0a673c671a56 13 * See the License for the specific language governing permissions and
ebrus 0:0a673c671a56 14 * limitations under the License.
ebrus 0:0a673c671a56 15 */
ebrus 0:0a673c671a56 16 #include "rtc_api.h"
ebrus 0:0a673c671a56 17
ebrus 0:0a673c671a56 18 #include <time.h>
ebrus 0:0a673c671a56 19 #include "rtc_time.h"
ebrus 0:0a673c671a56 20 #include "us_ticker_api.h"
ebrus 0:0a673c671a56 21
ebrus 0:0a673c671a56 22 #ifdef __cplusplus
ebrus 0:0a673c671a56 23 extern "C" {
ebrus 0:0a673c671a56 24 #endif
ebrus 0:0a673c671a56 25 #if defined (__ICCARM__)
ebrus 0:0a673c671a56 26 time_t __time32(time_t *timer)
ebrus 0:0a673c671a56 27 #else
ebrus 0:0a673c671a56 28 time_t time(time_t *timer)
ebrus 0:0a673c671a56 29 #endif
ebrus 0:0a673c671a56 30
ebrus 0:0a673c671a56 31 {
ebrus 0:0a673c671a56 32 #if DEVICE_RTC
ebrus 0:0a673c671a56 33 if (!(rtc_isenabled())) {
ebrus 0:0a673c671a56 34 set_time(0);
ebrus 0:0a673c671a56 35 }
ebrus 0:0a673c671a56 36 time_t t = rtc_read();
ebrus 0:0a673c671a56 37
ebrus 0:0a673c671a56 38 #else
ebrus 0:0a673c671a56 39 time_t t = 0;
ebrus 0:0a673c671a56 40 #endif
ebrus 0:0a673c671a56 41
ebrus 0:0a673c671a56 42 if (timer != NULL) {
ebrus 0:0a673c671a56 43 *timer = t;
ebrus 0:0a673c671a56 44 }
ebrus 0:0a673c671a56 45 return t;
ebrus 0:0a673c671a56 46 }
ebrus 0:0a673c671a56 47
ebrus 0:0a673c671a56 48 void set_time(time_t t) {
ebrus 0:0a673c671a56 49 #if DEVICE_RTC
ebrus 0:0a673c671a56 50 rtc_init();
ebrus 0:0a673c671a56 51 rtc_write(t);
ebrus 0:0a673c671a56 52 #endif
ebrus 0:0a673c671a56 53 }
ebrus 0:0a673c671a56 54
ebrus 0:0a673c671a56 55 clock_t clock() {
ebrus 0:0a673c671a56 56 clock_t t = us_ticker_read();
ebrus 0:0a673c671a56 57 t /= 1000000 / CLOCKS_PER_SEC; // convert to processor time
ebrus 0:0a673c671a56 58 return t;
ebrus 0:0a673c671a56 59 }
ebrus 0:0a673c671a56 60
ebrus 0:0a673c671a56 61 #ifdef __cplusplus
ebrus 0:0a673c671a56 62 }
ebrus 0:0a673c671a56 63 #endif