1 /*
2 * This file is part of the MicroPython project, http://micropython.org/
3 *
4 * The MIT License (MIT)
5 *
6 * Copyright (c) 2013, 2014 Damien P. George
7 * Copyright (c) 2015 Daniel Campora
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a copy
10 * of this software and associated documentation files (the "Software"), to deal
11 * in the Software without restriction, including without limitation the rights
12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 * copies of the Software, and to permit persons to whom the Software is
14 * furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 * THE SOFTWARE.
26 */
27 #ifndef MICROPY_INCLUDED_LIB_TIMEUTILS_TIMEUTILS_H
28 #define MICROPY_INCLUDED_LIB_TIMEUTILS_TIMEUTILS_H
29
30 // Modified bt HaaS begin
31 #include <stdbool.h>
32
33 #include "py/mpconfig.h"
34
35 // Modified bt HaaS end
36
37 // The number of seconds between 1970/1/1 and 2000/1/1 is calculated using:
38 // time.mktime((2000,1,1,0,0,0,0,0,0)) - time.mktime((1970,1,1,0,0,0,0,0,0))
39 #define TIMEUTILS_SECONDS_1970_TO_2000 (946684800ULL)
40
41 typedef struct _timeutils_struct_time_t {
42 uint16_t tm_year; // i.e. 2014
43 uint8_t tm_mon; // 1..12
44 uint8_t tm_mday; // 1..31
45 uint8_t tm_hour; // 0..23
46 uint8_t tm_min; // 0..59
47 uint8_t tm_sec; // 0..59
48 uint8_t tm_wday; // 0..6 0 = Monday
49 uint16_t tm_yday; // 1..366
50 } timeutils_struct_time_t;
51
52 bool timeutils_is_leap_year(mp_uint_t year);
53 mp_uint_t timeutils_days_in_month(mp_uint_t year, mp_uint_t month);
54 mp_uint_t timeutils_year_day(mp_uint_t year, mp_uint_t month, mp_uint_t date);
55
56 void timeutils_seconds_since_2000_to_struct_time(mp_uint_t t,
57 timeutils_struct_time_t *tm);
58
59 mp_uint_t timeutils_seconds_since_2000(mp_uint_t year, mp_uint_t month,
60 mp_uint_t date, mp_uint_t hour, mp_uint_t minute, mp_uint_t second);
61
62 mp_uint_t timeutils_mktime_2000(mp_uint_t year, mp_int_t month, mp_int_t mday,
63 mp_int_t hours, mp_int_t minutes, mp_int_t seconds);
64
65 // Select the Epoch used by the port.
66 #if MICROPY_EPOCH_IS_1970
67
timeutils_seconds_since_epoch_to_struct_time(uint64_t t,timeutils_struct_time_t * tm)68 static inline void timeutils_seconds_since_epoch_to_struct_time(uint64_t t, timeutils_struct_time_t *tm) {
69 // TODO this will give incorrect results for dates before 2000/1/1
70 return timeutils_seconds_since_2000_to_struct_time(t - TIMEUTILS_SECONDS_1970_TO_2000, tm);
71 }
72
timeutils_mktime(mp_uint_t year,mp_int_t month,mp_int_t mday,mp_int_t hours,mp_int_t minutes,mp_int_t seconds)73 static inline uint64_t timeutils_mktime(mp_uint_t year, mp_int_t month, mp_int_t mday, mp_int_t hours, mp_int_t minutes, mp_int_t seconds) {
74 return timeutils_mktime_2000(year, month, mday, hours, minutes, seconds) + TIMEUTILS_SECONDS_1970_TO_2000;
75 }
76
timeutils_seconds_since_epoch(mp_uint_t year,mp_uint_t month,mp_uint_t date,mp_uint_t hour,mp_uint_t minute,mp_uint_t second)77 static inline uint64_t timeutils_seconds_since_epoch(mp_uint_t year, mp_uint_t month,
78 mp_uint_t date, mp_uint_t hour, mp_uint_t minute, mp_uint_t second) {
79 return timeutils_seconds_since_2000(year, month, date, hour, minute, second) + TIMEUTILS_SECONDS_1970_TO_2000;
80 }
81
timeutils_seconds_since_epoch_from_nanoseconds_since_1970(uint64_t ns)82 static inline mp_uint_t timeutils_seconds_since_epoch_from_nanoseconds_since_1970(uint64_t ns) {
83 return ns / 1000000000ULL;
84 }
85
timeutils_nanoseconds_since_epoch_to_nanoseconds_since_1970(uint64_t ns)86 static inline uint64_t timeutils_nanoseconds_since_epoch_to_nanoseconds_since_1970(uint64_t ns) {
87 return ns;
88 }
89
90 #else // Epoch is 2000
91
92 #define timeutils_seconds_since_epoch_to_struct_time timeutils_seconds_since_2000_to_struct_time
93 #define timeutils_seconds_since_epoch timeutils_seconds_since_2000
94 #define timeutils_mktime timeutils_mktime_2000
95
timeutils_seconds_since_epoch_to_nanoseconds_since_1970(mp_uint_t s)96 static inline uint64_t timeutils_seconds_since_epoch_to_nanoseconds_since_1970(mp_uint_t s) {
97 return ((uint64_t)s + TIMEUTILS_SECONDS_1970_TO_2000) * 1000000000ULL;
98 }
99
timeutils_seconds_since_epoch_from_nanoseconds_since_1970(uint64_t ns)100 static inline mp_uint_t timeutils_seconds_since_epoch_from_nanoseconds_since_1970(uint64_t ns) {
101 return ns / 1000000000ULL - TIMEUTILS_SECONDS_1970_TO_2000;
102 }
103
timeutils_nanoseconds_since_epoch_to_nanoseconds_since_1970(int64_t ns)104 static inline int64_t timeutils_nanoseconds_since_epoch_to_nanoseconds_since_1970(int64_t ns) {
105 return ns + TIMEUTILS_SECONDS_1970_TO_2000 * 1000000000ULL;
106 }
107
108 #endif
109
110 int timeutils_calc_weekday(int y, int m, int d);
111
112 #endif // MICROPY_INCLUDED_LIB_TIMEUTILS_TIMEUTILS_H
113