Lancaster University / mbed-src

Lancaster University's (short term!) clone of mbed-src for micro:bit. This is a copy of the github branch https://github.com/lancaster-university/mbed-classic

Fork of mbed-src by mbed official

common/rtc_time.c@13:0645d8841f51, 2013-08-05 (annotated)

Committer:
bogdanm
Date:
Mon Aug 05 14:12:34 2013 +0300
Revision:
13:0645d8841f51
Parent:
10:3bc89ef62ce7
Child:
85:e1a8e879a6a9
Update mbed sources to revision 64

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 13:0645d8841f51 1 /* mbed Microcontroller Library
bogdanm 13:0645d8841f51 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 13:0645d8841f51 3 *
bogdanm 13:0645d8841f51 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 13:0645d8841f51 5 * you may not use this file except in compliance with the License.
bogdanm 13:0645d8841f51 6 * You may obtain a copy of the License at
bogdanm 13:0645d8841f51 7 *
bogdanm 13:0645d8841f51 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 13:0645d8841f51 9 *
bogdanm 13:0645d8841f51 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 13:0645d8841f51 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 13:0645d8841f51 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 13:0645d8841f51 13 * See the License for the specific language governing permissions and
bogdanm 13:0645d8841f51 14 * limitations under the License.
bogdanm 13:0645d8841f51 15 */
bogdanm 13:0645d8841f51 16 #include "rtc_api.h"
bogdanm 13:0645d8841f51 17
bogdanm 13:0645d8841f51 18 #include <time.h>
bogdanm 13:0645d8841f51 19 #include "rtc_time.h"
bogdanm 13:0645d8841f51 20 #include "us_ticker_api.h"
bogdanm 13:0645d8841f51 21
bogdanm 13:0645d8841f51 22 #if defined (__ICCARM__)
bogdanm 13:0645d8841f51 23 time_t __time32(time_t *timer)
bogdanm 13:0645d8841f51 24 #else
bogdanm 13:0645d8841f51 25 time_t time(time_t *timer)
bogdanm 13:0645d8841f51 26 #endif
bogdanm 13:0645d8841f51 27 {
bogdanm 13:0645d8841f51 28 #if DEVICE_RTC
bogdanm 13:0645d8841f51 29 if (!(rtc_isenabled())) {
bogdanm 13:0645d8841f51 30 set_time(0);
bogdanm 13:0645d8841f51 31 }
bogdanm 13:0645d8841f51 32 time_t t = rtc_read();
bogdanm 13:0645d8841f51 33
bogdanm 13:0645d8841f51 34 #else
bogdanm 13:0645d8841f51 35 time_t t = 0;
bogdanm 13:0645d8841f51 36 #endif
bogdanm 13:0645d8841f51 37
bogdanm 13:0645d8841f51 38 if (timer != NULL) {
bogdanm 13:0645d8841f51 39 *timer = t;
bogdanm 13:0645d8841f51 40 }
bogdanm 13:0645d8841f51 41 return t;
bogdanm 13:0645d8841f51 42 }
bogdanm 13:0645d8841f51 43
bogdanm 13:0645d8841f51 44 void set_time(time_t t) {
bogdanm 13:0645d8841f51 45 #if DEVICE_RTC
bogdanm 13:0645d8841f51 46 rtc_init();
bogdanm 13:0645d8841f51 47 rtc_write(t);
bogdanm 13:0645d8841f51 48 #endif
bogdanm 13:0645d8841f51 49 }
bogdanm 13:0645d8841f51 50
bogdanm 13:0645d8841f51 51 clock_t clock() {
bogdanm 13:0645d8841f51 52 clock_t t = us_ticker_read();
bogdanm 13:0645d8841f51 53 t /= 1000000 / CLOCKS_PER_SEC; // convert to processor time
bogdanm 13:0645d8841f51 54 return t;
bogdanm 13:0645d8841f51 55 }