mbed library for NZ32-SC151
common/rtc_time.c@17:639ed60ce759, 2016-08-19 (annotated)
- Committer:
- modtronix-com
- Date:
- Fri Aug 19 15:46:42 2016 +1000
- Revision:
- 17:639ed60ce759
- Parent:
- 1:71204b8406f2
Added tag v1.1 for changeset 076cbe3e55be
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
modtronix | 1:71204b8406f2 | 1 | /* mbed Microcontroller Library |
modtronix | 1:71204b8406f2 | 2 | * Copyright (c) 2006-2013 ARM Limited |
modtronix | 1:71204b8406f2 | 3 | * |
modtronix | 1:71204b8406f2 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
modtronix | 1:71204b8406f2 | 5 | * you may not use this file except in compliance with the License. |
modtronix | 1:71204b8406f2 | 6 | * You may obtain a copy of the License at |
modtronix | 1:71204b8406f2 | 7 | * |
modtronix | 1:71204b8406f2 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
modtronix | 1:71204b8406f2 | 9 | * |
modtronix | 1:71204b8406f2 | 10 | * Unless required by applicable law or agreed to in writing, software |
modtronix | 1:71204b8406f2 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
modtronix | 1:71204b8406f2 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
modtronix | 1:71204b8406f2 | 13 | * See the License for the specific language governing permissions and |
modtronix | 1:71204b8406f2 | 14 | * limitations under the License. |
modtronix | 1:71204b8406f2 | 15 | */ |
modtronix | 1:71204b8406f2 | 16 | #include "rtc_api.h" |
modtronix | 1:71204b8406f2 | 17 | |
modtronix | 1:71204b8406f2 | 18 | #include <time.h> |
modtronix | 1:71204b8406f2 | 19 | #include "rtc_time.h" |
modtronix | 1:71204b8406f2 | 20 | #include "us_ticker_api.h" |
modtronix | 1:71204b8406f2 | 21 | |
modtronix | 1:71204b8406f2 | 22 | #if DEVICE_RTC |
modtronix | 1:71204b8406f2 | 23 | static void (*_rtc_init)(void) = rtc_init; |
modtronix | 1:71204b8406f2 | 24 | static int (*_rtc_isenabled)(void) = rtc_isenabled; |
modtronix | 1:71204b8406f2 | 25 | static time_t (*_rtc_read)(void) = rtc_read; |
modtronix | 1:71204b8406f2 | 26 | static void (*_rtc_write)(time_t t) = rtc_write; |
modtronix | 1:71204b8406f2 | 27 | #else |
modtronix | 1:71204b8406f2 | 28 | static void (*_rtc_init)(void) = NULL; |
modtronix | 1:71204b8406f2 | 29 | static int (*_rtc_isenabled)(void) = NULL; |
modtronix | 1:71204b8406f2 | 30 | static time_t (*_rtc_read)(void) = NULL; |
modtronix | 1:71204b8406f2 | 31 | static void (*_rtc_write)(time_t t) = NULL; |
modtronix | 1:71204b8406f2 | 32 | #endif |
modtronix | 1:71204b8406f2 | 33 | |
modtronix | 1:71204b8406f2 | 34 | #ifdef __cplusplus |
modtronix | 1:71204b8406f2 | 35 | extern "C" { |
modtronix | 1:71204b8406f2 | 36 | #endif |
modtronix | 1:71204b8406f2 | 37 | #if defined (__ICCARM__) |
modtronix | 1:71204b8406f2 | 38 | time_t __time32(time_t *timer) |
modtronix | 1:71204b8406f2 | 39 | #else |
modtronix | 1:71204b8406f2 | 40 | time_t time(time_t *timer) |
modtronix | 1:71204b8406f2 | 41 | #endif |
modtronix | 1:71204b8406f2 | 42 | |
modtronix | 1:71204b8406f2 | 43 | { |
modtronix | 1:71204b8406f2 | 44 | if (_rtc_isenabled != NULL) { |
modtronix | 1:71204b8406f2 | 45 | if (!(_rtc_isenabled())) { |
modtronix | 1:71204b8406f2 | 46 | set_time(0); |
modtronix | 1:71204b8406f2 | 47 | } |
modtronix | 1:71204b8406f2 | 48 | } |
modtronix | 1:71204b8406f2 | 49 | |
modtronix | 1:71204b8406f2 | 50 | time_t t = 0; |
modtronix | 1:71204b8406f2 | 51 | if (_rtc_read != NULL) { |
modtronix | 1:71204b8406f2 | 52 | t = _rtc_read(); |
modtronix | 1:71204b8406f2 | 53 | } |
modtronix | 1:71204b8406f2 | 54 | |
modtronix | 1:71204b8406f2 | 55 | if (timer != NULL) { |
modtronix | 1:71204b8406f2 | 56 | *timer = t; |
modtronix | 1:71204b8406f2 | 57 | } |
modtronix | 1:71204b8406f2 | 58 | return t; |
modtronix | 1:71204b8406f2 | 59 | } |
modtronix | 1:71204b8406f2 | 60 | |
modtronix | 1:71204b8406f2 | 61 | void set_time(time_t t) { |
modtronix | 1:71204b8406f2 | 62 | if (_rtc_init != NULL) { |
modtronix | 1:71204b8406f2 | 63 | _rtc_init(); |
modtronix | 1:71204b8406f2 | 64 | } |
modtronix | 1:71204b8406f2 | 65 | if (_rtc_write != NULL) { |
modtronix | 1:71204b8406f2 | 66 | _rtc_write(t); |
modtronix | 1:71204b8406f2 | 67 | } |
modtronix | 1:71204b8406f2 | 68 | } |
modtronix | 1:71204b8406f2 | 69 | |
modtronix | 1:71204b8406f2 | 70 | clock_t clock() { |
modtronix | 1:71204b8406f2 | 71 | clock_t t = us_ticker_read(); |
modtronix | 1:71204b8406f2 | 72 | t /= 1000000 / CLOCKS_PER_SEC; // convert to processor time |
modtronix | 1:71204b8406f2 | 73 | return t; |
modtronix | 1:71204b8406f2 | 74 | } |
modtronix | 1:71204b8406f2 | 75 | |
modtronix | 1:71204b8406f2 | 76 | void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void)) { |
modtronix | 1:71204b8406f2 | 77 | __disable_irq(); |
modtronix | 1:71204b8406f2 | 78 | _rtc_read = read_rtc; |
modtronix | 1:71204b8406f2 | 79 | _rtc_write = write_rtc; |
modtronix | 1:71204b8406f2 | 80 | _rtc_init = init_rtc; |
modtronix | 1:71204b8406f2 | 81 | _rtc_isenabled = isenabled_rtc; |
modtronix | 1:71204b8406f2 | 82 | __enable_irq(); |
modtronix | 1:71204b8406f2 | 83 | } |
modtronix | 1:71204b8406f2 | 84 | |
modtronix | 1:71204b8406f2 | 85 | |
modtronix | 1:71204b8406f2 | 86 | |
modtronix | 1:71204b8406f2 | 87 | #ifdef __cplusplus |
modtronix | 1:71204b8406f2 | 88 | } |
modtronix | 1:71204b8406f2 | 89 | #endif |