DongEun Koak / mbed-src

mbed library sources

Dependents:   Freedman_v2 Nucleo_i2c_OLED_BME280_copy

Fork of mbed-src by mbed official

common/rtc_time.c@10:3bc89ef62ce7, 2013-06-14 (annotated)

Committer:
emilmont
Date:
Fri Jun 14 17:49:17 2013 +0100
Revision:
10:3bc89ef62ce7
Parent:
9:0ce32e54c9a7
Child:
13:0645d8841f51
Unify mbed library sources

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 10:3bc89ef62ce7 1 /* mbed Microcontroller Library
emilmont 10:3bc89ef62ce7 2 * Copyright (c) 2006-2013 ARM Limited
emilmont 10:3bc89ef62ce7 3 *
emilmont 10:3bc89ef62ce7 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 10:3bc89ef62ce7 5 * you may not use this file except in compliance with the License.
emilmont 10:3bc89ef62ce7 6 * You may obtain a copy of the License at
emilmont 10:3bc89ef62ce7 7 *
emilmont 10:3bc89ef62ce7 8 * http://www.apache.org/licenses/LICENSE-2.0
emilmont 10:3bc89ef62ce7 9 *
emilmont 10:3bc89ef62ce7 10 * Unless required by applicable law or agreed to in writing, software
emilmont 10:3bc89ef62ce7 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 10:3bc89ef62ce7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 10:3bc89ef62ce7 13 * See the License for the specific language governing permissions and
emilmont 10:3bc89ef62ce7 14 * limitations under the License.
emilmont 10:3bc89ef62ce7 15 */
emilmont 10:3bc89ef62ce7 16 #include "rtc_api.h"
emilmont 10:3bc89ef62ce7 17
emilmont 10:3bc89ef62ce7 18 #include <time.h>
emilmont 10:3bc89ef62ce7 19 #include "rtc_time.h"
emilmont 10:3bc89ef62ce7 20 #include "us_ticker_api.h"
emilmont 10:3bc89ef62ce7 21
emilmont 10:3bc89ef62ce7 22 #if defined (__ICCARM__)
emilmont 10:3bc89ef62ce7 23 time_t __time32(time_t *timer)
emilmont 10:3bc89ef62ce7 24 #else
emilmont 10:3bc89ef62ce7 25 time_t time(time_t *timer)
emilmont 10:3bc89ef62ce7 26 #endif
emilmont 10:3bc89ef62ce7 27 {
emilmont 10:3bc89ef62ce7 28 #if DEVICE_RTC
emilmont 10:3bc89ef62ce7 29 if (!(rtc_isenabled())) {
emilmont 10:3bc89ef62ce7 30 set_time(0);
emilmont 10:3bc89ef62ce7 31 }
emilmont 10:3bc89ef62ce7 32 time_t t = rtc_read();
emilmont 10:3bc89ef62ce7 33
emilmont 10:3bc89ef62ce7 34 #else
emilmont 10:3bc89ef62ce7 35 time_t t = 0;
emilmont 10:3bc89ef62ce7 36 #endif
emilmont 10:3bc89ef62ce7 37
emilmont 10:3bc89ef62ce7 38 if (timer != NULL) {
emilmont 10:3bc89ef62ce7 39 *timer = t;
emilmont 10:3bc89ef62ce7 40 }
emilmont 10:3bc89ef62ce7 41 return t;
emilmont 10:3bc89ef62ce7 42 }
emilmont 10:3bc89ef62ce7 43
emilmont 10:3bc89ef62ce7 44 void set_time(time_t t) {
emilmont 10:3bc89ef62ce7 45 #if DEVICE_RTC
emilmont 10:3bc89ef62ce7 46 rtc_init();
emilmont 10:3bc89ef62ce7 47 rtc_write(t);
emilmont 10:3bc89ef62ce7 48 #endif
emilmont 10:3bc89ef62ce7 49 }
emilmont 10:3bc89ef62ce7 50
emilmont 10:3bc89ef62ce7 51 clock_t clock() {
emilmont 10:3bc89ef62ce7 52 clock_t t = us_ticker_read();
emilmont 10:3bc89ef62ce7 53 t /= 1000000 / CLOCKS_PER_SEC; // convert to processor time
emilmont 10:3bc89ef62ce7 54 return t;
emilmont 10:3bc89ef62ce7 55 }