Stuart Northfield / mbed-src

mbed library sources

Fork of mbed-src by mbed official

capi/rtc_time.c@0:fd0d7bdfcdc2, 2012-11-20 (annotated)

Committer:
mbed_official
Date:
Tue Nov 20 17:24:08 2012 +0000
Revision:
0:fd0d7bdfcdc2
Child:
2:143cac498751
mbed sources

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:fd0d7bdfcdc2 1 /* mbed Microcontroller Library
mbed_official 0:fd0d7bdfcdc2 2 * Copyright (c) 2006-2012 ARM Limited
mbed_official 0:fd0d7bdfcdc2 3 *
mbed_official 0:fd0d7bdfcdc2 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
mbed_official 0:fd0d7bdfcdc2 5 * of this software and associated documentation files (the "Software"), to deal
mbed_official 0:fd0d7bdfcdc2 6 * in the Software without restriction, including without limitation the rights
mbed_official 0:fd0d7bdfcdc2 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mbed_official 0:fd0d7bdfcdc2 8 * copies of the Software, and to permit persons to whom the Software is
mbed_official 0:fd0d7bdfcdc2 9 * furnished to do so, subject to the following conditions:
mbed_official 0:fd0d7bdfcdc2 10 *
mbed_official 0:fd0d7bdfcdc2 11 * The above copyright notice and this permission notice shall be included in
mbed_official 0:fd0d7bdfcdc2 12 * all copies or substantial portions of the Software.
mbed_official 0:fd0d7bdfcdc2 13 *
mbed_official 0:fd0d7bdfcdc2 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mbed_official 0:fd0d7bdfcdc2 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mbed_official 0:fd0d7bdfcdc2 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mbed_official 0:fd0d7bdfcdc2 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mbed_official 0:fd0d7bdfcdc2 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mbed_official 0:fd0d7bdfcdc2 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
mbed_official 0:fd0d7bdfcdc2 20 * SOFTWARE.
mbed_official 0:fd0d7bdfcdc2 21 */
mbed_official 0:fd0d7bdfcdc2 22 #include "rtc_api.h"
mbed_official 0:fd0d7bdfcdc2 23
mbed_official 0:fd0d7bdfcdc2 24 #include <time.h>
mbed_official 0:fd0d7bdfcdc2 25 #include "rtc_time.h"
mbed_official 0:fd0d7bdfcdc2 26 #include "us_ticker_api.h"
mbed_official 0:fd0d7bdfcdc2 27
mbed_official 0:fd0d7bdfcdc2 28 time_t time(time_t *timer) {
mbed_official 0:fd0d7bdfcdc2 29 #if DEVICE_RTC
mbed_official 0:fd0d7bdfcdc2 30 if (!(rtc_isenabled())) {
mbed_official 0:fd0d7bdfcdc2 31 set_time(0);
mbed_official 0:fd0d7bdfcdc2 32 }
mbed_official 0:fd0d7bdfcdc2 33 time_t t = rtc_read();
mbed_official 0:fd0d7bdfcdc2 34
mbed_official 0:fd0d7bdfcdc2 35 #else
mbed_official 0:fd0d7bdfcdc2 36 time_t t = 0;
mbed_official 0:fd0d7bdfcdc2 37 #endif
mbed_official 0:fd0d7bdfcdc2 38
mbed_official 0:fd0d7bdfcdc2 39 if (timer != NULL) {
mbed_official 0:fd0d7bdfcdc2 40 *timer = t;
mbed_official 0:fd0d7bdfcdc2 41 }
mbed_official 0:fd0d7bdfcdc2 42 return t;
mbed_official 0:fd0d7bdfcdc2 43 }
mbed_official 0:fd0d7bdfcdc2 44
mbed_official 0:fd0d7bdfcdc2 45 void set_time(time_t t) {
mbed_official 0:fd0d7bdfcdc2 46 #if DEVICE_RTC
mbed_official 0:fd0d7bdfcdc2 47 rtc_init();
mbed_official 0:fd0d7bdfcdc2 48 rtc_write(t);
mbed_official 0:fd0d7bdfcdc2 49 #endif
mbed_official 0:fd0d7bdfcdc2 50 }
mbed_official 0:fd0d7bdfcdc2 51
mbed_official 0:fd0d7bdfcdc2 52 clock_t clock() {
mbed_official 0:fd0d7bdfcdc2 53 clock_t t = us_ticker_read();
mbed_official 0:fd0d7bdfcdc2 54 t /= 1000000 / CLOCKS_PER_SEC; // convert to processor time
mbed_official 0:fd0d7bdfcdc2 55 return t;
mbed_official 0:fd0d7bdfcdc2 56 }