kopia lustrzana https://github.com/micropython/micropython
137 wiersze
5.9 KiB
C
137 wiersze
5.9 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Damien P. George
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* Copyright (c) 2020 Jim Mussared
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/runtime.h"
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#include "shared/timeutils/timeutils.h"
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#include "extmod/utime_mphal.h"
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#include "fsl_snvs_lp.h"
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// localtime([secs])
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// Convert a time expressed in seconds since the Epoch into an 8-tuple which
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// contains: (year, month, mday, hour, minute, second, weekday, yearday)
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// If secs is not provided or None, then the current time from the RTC is used.
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STATIC mp_obj_t time_localtime(size_t n_args, const mp_obj_t *args) {
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if (n_args == 0 || args[0] == mp_const_none) {
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// Get current date and time.
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snvs_lp_srtc_datetime_t t;
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SNVS_LP_SRTC_GetDatetime(SNVS, &t);
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mp_obj_t tuple[8] = {
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mp_obj_new_int(t.year),
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mp_obj_new_int(t.month),
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mp_obj_new_int(t.day),
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mp_obj_new_int(t.hour),
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mp_obj_new_int(t.minute),
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mp_obj_new_int(t.second),
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mp_obj_new_int(timeutils_calc_weekday(t.year, t.month, t.day)),
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mp_obj_new_int(timeutils_year_day(t.year, t.month, t.day)),
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};
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return mp_obj_new_tuple(8, tuple);
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} else {
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// Convert given seconds to tuple.
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mp_int_t seconds = mp_obj_get_int(args[0]);
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timeutils_struct_time_t tm;
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timeutils_seconds_since_epoch_to_struct_time(seconds, &tm);
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mp_obj_t tuple[8] = {
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tuple[0] = mp_obj_new_int(tm.tm_year),
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tuple[1] = mp_obj_new_int(tm.tm_mon),
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tuple[2] = mp_obj_new_int(tm.tm_mday),
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tuple[3] = mp_obj_new_int(tm.tm_hour),
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tuple[4] = mp_obj_new_int(tm.tm_min),
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tuple[5] = mp_obj_new_int(tm.tm_sec),
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tuple[6] = mp_obj_new_int(tm.tm_wday),
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tuple[7] = mp_obj_new_int(tm.tm_yday),
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};
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return mp_obj_new_tuple(8, tuple);
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(time_localtime_obj, 0, 1, time_localtime);
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// mktime()
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// This is inverse function of localtime. It's argument is a full 8-tuple
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// which expresses a time as per localtime. It returns an integer which is
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// the number of seconds since the Epoch.
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STATIC mp_obj_t time_mktime(mp_obj_t tuple) {
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size_t len;
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mp_obj_t *elem;
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mp_obj_get_array(tuple, &len, &elem);
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// localtime generates a tuple of len 8. CPython uses 9, so we accept both.
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if (len < 8 || len > 9) {
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mp_raise_TypeError(MP_ERROR_TEXT("mktime needs a tuple of length 8 or 9"));
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}
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return mp_obj_new_int_from_uint(timeutils_mktime(mp_obj_get_int(elem[0]),
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mp_obj_get_int(elem[1]), mp_obj_get_int(elem[2]), mp_obj_get_int(elem[3]),
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mp_obj_get_int(elem[4]), mp_obj_get_int(elem[5])));
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}
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MP_DEFINE_CONST_FUN_OBJ_1(time_mktime_obj, time_mktime);
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// time()
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// Return the number of seconds since the Epoch.
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STATIC mp_obj_t time_time(void) {
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snvs_lp_srtc_datetime_t t;
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SNVS_LP_SRTC_GetDatetime(SNVS, &t);
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// EPOCH is 1970 for this port, which leads to the following trouble:
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// timeutils_seconds_since_epoch() calls timeutils_seconds_since_2000(), and
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// timeutils_seconds_since_2000() subtracts 2000 from year, but uses
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// an unsigned number for seconds, That causes an underrun, which is not
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// fixed by adding the TIMEUTILS_SECONDS_1970_TO_2000.
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// Masking it to 32 bit for year < 2000 fixes it.
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return mp_obj_new_int_from_ull(
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timeutils_seconds_since_epoch(t.year, t.month, t.day, t.hour, t.minute, t.second)
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& (t.year < 2000 ? 0xffffffff : 0xffffffffffff)
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);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(time_time_obj, time_time);
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STATIC const mp_rom_map_elem_t time_module_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_utime) },
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{ MP_ROM_QSTR(MP_QSTR_gmtime), MP_ROM_PTR(&time_localtime_obj) },
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{ MP_ROM_QSTR(MP_QSTR_localtime), MP_ROM_PTR(&time_localtime_obj) },
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{ MP_ROM_QSTR(MP_QSTR_mktime), MP_ROM_PTR(&time_mktime_obj) },
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{ MP_ROM_QSTR(MP_QSTR_time), MP_ROM_PTR(&time_time_obj) },
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{ MP_ROM_QSTR(MP_QSTR_time_ns), MP_ROM_PTR(&mp_utime_time_ns_obj) },
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{ MP_ROM_QSTR(MP_QSTR_sleep), MP_ROM_PTR(&mp_utime_sleep_obj) },
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{ MP_ROM_QSTR(MP_QSTR_sleep_ms), MP_ROM_PTR(&mp_utime_sleep_ms_obj) },
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{ MP_ROM_QSTR(MP_QSTR_sleep_us), MP_ROM_PTR(&mp_utime_sleep_us_obj) },
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{ MP_ROM_QSTR(MP_QSTR_ticks_ms), MP_ROM_PTR(&mp_utime_ticks_ms_obj) },
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{ MP_ROM_QSTR(MP_QSTR_ticks_us), MP_ROM_PTR(&mp_utime_ticks_us_obj) },
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{ MP_ROM_QSTR(MP_QSTR_ticks_cpu), MP_ROM_PTR(&mp_utime_ticks_cpu_obj) },
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{ MP_ROM_QSTR(MP_QSTR_ticks_add), MP_ROM_PTR(&mp_utime_ticks_add_obj) },
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{ MP_ROM_QSTR(MP_QSTR_ticks_diff), MP_ROM_PTR(&mp_utime_ticks_diff_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(time_module_globals, time_module_globals_table);
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const mp_obj_module_t mp_module_utime = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t *)&time_module_globals,
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};
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