mbed official / mbed-src

mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

common/rtc_time.c@635:a11c0372f0ba, 2015-09-30 (annotated)

Committer:
mbed_official
Date:
Wed Sep 30 17:00:09 2015 +0100
Revision:
635:a11c0372f0ba
Parent:
489:119543c9f674 
Synchronized with git revision d29c98dae61be0946ddf3a3c641c7726056f9452



Full URL: https://github.com/mbedmicro/mbed/commit/d29c98dae61be0946ddf3a3c641c7726056f9452/



Added support for SAMW25

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
mbed_official 489:119543c9f674 22 #if DEVICE_RTC
mbed_official 489:119543c9f674 23 static void (*_rtc_init)(void) = rtc_init;
mbed_official 489:119543c9f674 24 static int (*_rtc_isenabled)(void) = rtc_isenabled;
mbed_official 489:119543c9f674 25 static time_t (*_rtc_read)(void) = rtc_read;
mbed_official 489:119543c9f674 26 static void (*_rtc_write)(time_t t) = rtc_write;
mbed_official 489:119543c9f674 27 #else
mbed_official 489:119543c9f674 28 static void (*_rtc_init)(void) = NULL;
mbed_official 489:119543c9f674 29 static int (*_rtc_isenabled)(void) = NULL;
mbed_official 489:119543c9f674 30 static time_t (*_rtc_read)(void) = NULL;
mbed_official 489:119543c9f674 31 static void (*_rtc_write)(time_t t) = NULL;
mbed_official 489:119543c9f674 32 #endif
mbed_official 489:119543c9f674 33
mbed_official 85:e1a8e879a6a9 34 #ifdef __cplusplus
mbed_official 85:e1a8e879a6a9 35 extern "C" {
mbed_official 221:8276e3a4886f 36 #endif
bogdanm 13:0645d8841f51 37 #if defined (__ICCARM__)
bogdanm 13:0645d8841f51 38 time_t __time32(time_t *timer)
bogdanm 13:0645d8841f51 39 #else
bogdanm 13:0645d8841f51 40 time_t time(time_t *timer)
bogdanm 13:0645d8841f51 41 #endif
mbed_official 85:e1a8e879a6a9 42
bogdanm 13:0645d8841f51 43 {
mbed_official 489:119543c9f674 44 if (_rtc_isenabled != NULL) {
mbed_official 489:119543c9f674 45 if (!(_rtc_isenabled())) {
mbed_official 489:119543c9f674 46 set_time(0);
mbed_official 489:119543c9f674 47 }
bogdanm 13:0645d8841f51 48 }
mbed_official 489:119543c9f674 49
bogdanm 13:0645d8841f51 50 time_t t = 0;
mbed_official 489:119543c9f674 51 if (_rtc_read != NULL) {
mbed_official 489:119543c9f674 52 t = _rtc_read();
mbed_official 489:119543c9f674 53 }
bogdanm 13:0645d8841f51 54
bogdanm 13:0645d8841f51 55 if (timer != NULL) {
bogdanm 13:0645d8841f51 56 *timer = t;
bogdanm 13:0645d8841f51 57 }
bogdanm 13:0645d8841f51 58 return t;
bogdanm 13:0645d8841f51 59 }
bogdanm 13:0645d8841f51 60
bogdanm 13:0645d8841f51 61 void set_time(time_t t) {
mbed_official 489:119543c9f674 62 if (_rtc_init != NULL) {
mbed_official 489:119543c9f674 63 _rtc_init();
mbed_official 489:119543c9f674 64 }
mbed_official 489:119543c9f674 65 if (_rtc_write != NULL) {
mbed_official 489:119543c9f674 66 _rtc_write(t);
mbed_official 489:119543c9f674 67 }
bogdanm 13:0645d8841f51 68 }
bogdanm 13:0645d8841f51 69
bogdanm 13:0645d8841f51 70 clock_t clock() {
bogdanm 13:0645d8841f51 71 clock_t t = us_ticker_read();
bogdanm 13:0645d8841f51 72 t /= 1000000 / CLOCKS_PER_SEC; // convert to processor time
bogdanm 13:0645d8841f51 73 return t;
bogdanm 13:0645d8841f51 74 }
mbed_official 85:e1a8e879a6a9 75
mbed_official 489:119543c9f674 76 void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void)) {
mbed_official 489:119543c9f674 77 __disable_irq();
mbed_official 489:119543c9f674 78 _rtc_read = read_rtc;
mbed_official 489:119543c9f674 79 _rtc_write = write_rtc;
mbed_official 489:119543c9f674 80 _rtc_init = init_rtc;
mbed_official 489:119543c9f674 81 _rtc_isenabled = isenabled_rtc;
mbed_official 489:119543c9f674 82 __enable_irq();
mbed_official 489:119543c9f674 83 }
mbed_official 489:119543c9f674 84
mbed_official 489:119543c9f674 85
mbed_official 489:119543c9f674 86
mbed_official 85:e1a8e879a6a9 87 #ifdef __cplusplus
mbed_official 85:e1a8e879a6a9 88 }
mbed_official 221:8276e3a4886f 89 #endif