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@9:0ce32e54c9a7, 2013-06-10 (annotated)

Committer:
emilmont
Date:
Mon Jun 10 16:03:00 2013 +0100
Revision:
9:0ce32e54c9a7
Parent:
capi/rtc_time.c@2:143cac498751
Child:
10:3bc89ef62ce7
Refactoring of the mbed SDK:

- Provide a well defined HAL and API

- Keep separated the HAL implementations for the different targets

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:fd0d7bdfcdc2 1 /* mbed Microcontroller Library
emilmont 2:143cac498751 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 0:fd0d7bdfcdc2 3 *
emilmont 2:143cac498751 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 2:143cac498751 5 * you may not use this file except in compliance with the License.
emilmont 2:143cac498751 6 * You may obtain a copy of the License at
mbed_official 0:fd0d7bdfcdc2 7 *
emilmont 2:143cac498751 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 0:fd0d7bdfcdc2 9 *
emilmont 2:143cac498751 10 * Unless required by applicable law or agreed to in writing, software
emilmont 2:143cac498751 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 2:143cac498751 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 2:143cac498751 13 * See the License for the specific language governing permissions and
emilmont 2:143cac498751 14 * limitations under the License.
mbed_official 0:fd0d7bdfcdc2 15 */
mbed_official 0:fd0d7bdfcdc2 16 #include "rtc_api.h"
mbed_official 0:fd0d7bdfcdc2 17
mbed_official 0:fd0d7bdfcdc2 18 #include <time.h>
mbed_official 0:fd0d7bdfcdc2 19 #include "rtc_time.h"
mbed_official 0:fd0d7bdfcdc2 20 #include "us_ticker_api.h"
mbed_official 0:fd0d7bdfcdc2 21
emilmont 2:143cac498751 22 #if defined (__ICCARM__)
emilmont 2:143cac498751 23 time_t __time32(time_t *timer)
emilmont 2:143cac498751 24 #else
emilmont 2:143cac498751 25 time_t time(time_t *timer)
emilmont 2:143cac498751 26 #endif
emilmont 2:143cac498751 27 {
mbed_official 0:fd0d7bdfcdc2 28 #if DEVICE_RTC
mbed_official 0:fd0d7bdfcdc2 29 if (!(rtc_isenabled())) {
mbed_official 0:fd0d7bdfcdc2 30 set_time(0);
mbed_official 0:fd0d7bdfcdc2 31 }
mbed_official 0:fd0d7bdfcdc2 32 time_t t = rtc_read();
emilmont 2:143cac498751 33
mbed_official 0:fd0d7bdfcdc2 34 #else
mbed_official 0:fd0d7bdfcdc2 35 time_t t = 0;
mbed_official 0:fd0d7bdfcdc2 36 #endif
emilmont 2:143cac498751 37
mbed_official 0:fd0d7bdfcdc2 38 if (timer != NULL) {
mbed_official 0:fd0d7bdfcdc2 39 *timer = t;
mbed_official 0:fd0d7bdfcdc2 40 }
mbed_official 0:fd0d7bdfcdc2 41 return t;
mbed_official 0:fd0d7bdfcdc2 42 }
mbed_official 0:fd0d7bdfcdc2 43
mbed_official 0:fd0d7bdfcdc2 44 void set_time(time_t t) {
mbed_official 0:fd0d7bdfcdc2 45 #if DEVICE_RTC
mbed_official 0:fd0d7bdfcdc2 46 rtc_init();
mbed_official 0:fd0d7bdfcdc2 47 rtc_write(t);
mbed_official 0:fd0d7bdfcdc2 48 #endif
mbed_official 0:fd0d7bdfcdc2 49 }
mbed_official 0:fd0d7bdfcdc2 50
mbed_official 0:fd0d7bdfcdc2 51 clock_t clock() {
mbed_official 0:fd0d7bdfcdc2 52 clock_t t = us_ticker_read();
mbed_official 0:fd0d7bdfcdc2 53 t /= 1000000 / CLOCKS_PER_SEC; // convert to processor time
mbed_official 0:fd0d7bdfcdc2 54 return t;
mbed_official 0:fd0d7bdfcdc2 55 }