circuitpython/shared-bindings/rtc/__init__.c

93 lines
3.3 KiB
C

/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Noralf Trønnes
* SPDX-FileCopyrightText: Copyright (c) 2013, 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "py/obj.h"
#include "py/runtime.h"
#include "shared-bindings/rtc/__init__.h"
#include "shared-bindings/rtc/RTC.h"
#include "shared-bindings/time/__init__.h"
//| """Real Time Clock
//|
//| The `rtc` module provides support for a Real Time Clock. You can access and manage the
//| RTC using :class:`rtc.RTC`. It also backs the :func:`time.time` and :func:`time.localtime`
//| functions using the onboard RTC if present."""
//|
void rtc_reset(void) {
MP_STATE_VM(rtc_time_source) = (mp_obj_t)&rtc_rtc_obj;
}
mp_obj_t rtc_get_time_source_time(void) {
mp_obj_t datetime = mp_load_attr(MP_STATE_VM(rtc_time_source), MP_QSTR_datetime);
timeutils_struct_time_t tm;
struct_time_to_tm(datetime, &tm);
// This sets tm_wday and tm_yday
return struct_time_from_tm(&tm);
}
//| def set_time_source(rtc: RTC) -> None:
//| """Sets the RTC time source used by :func:`time.localtime`.
//| The default is :class:`rtc.RTC`, but it's useful to use this to override the
//| time source for testing purposes. For example::
//|
//| import rtc
//| import time
//|
//| class RTC(object):
//| @property
//| def datetime(self):
//| return time.struct_time((2018, 3, 17, 21, 1, 47, 0, 0, 0))
//|
//| r = RTC()
//| rtc.set_time_source(r)"""
//| ...
//|
STATIC mp_obj_t rtc_set_time_source(mp_obj_t time_source) {
MP_STATE_VM(rtc_time_source) = time_source;
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_1(rtc_set_time_source_obj, rtc_set_time_source);
STATIC const mp_rom_map_elem_t rtc_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_rtc) },
{ MP_ROM_QSTR(MP_QSTR_set_time_source), MP_ROM_PTR(&rtc_set_time_source_obj) },
{ MP_ROM_QSTR(MP_QSTR_RTC), MP_ROM_PTR(&rtc_rtc_type) },
};
STATIC MP_DEFINE_CONST_DICT(rtc_module_globals, rtc_module_globals_table);
const mp_obj_module_t rtc_module = {
.base = { &mp_type_module },
.globals = (mp_obj_dict_t *)&rtc_module_globals,
};
MP_REGISTER_ROOT_POINTER(mp_obj_t rtc_time_source);
MP_REGISTER_MODULE(MP_QSTR_rtc, rtc_module);