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+/*
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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 ChenYong (chenyong@rt-thread.com)
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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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+
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+#include <stdio.h>
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+#include <stdint.h>
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+#include <string.h>
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+
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+#include <rtthread.h>
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+#include <drivers/rtc.h>
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+#include <time.h>
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+
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+#include "py/nlr.h"
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+#include "py/obj.h"
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+#include "py/runtime.h"
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+#include "py/mphal.h"
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+#include "lib/timeutils/timeutils.h"
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+
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+#include "modmachine.h"
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+
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+#ifdef MICROPYTHON_USING_MACHINE_RTC
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+
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+#define MP_YEAR_BASE 1900
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+
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+const mp_obj_type_t machine_rtc_type;
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+
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+// singleton RTC object
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+STATIC const mp_obj_base_t machine_rtc_obj = {&machine_rtc_type};
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+
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+STATIC mp_obj_t machine_rtc_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
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+#define MP_RTC_DEV_NAME "rtc"
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+ rt_device_t rtc_deivce = RT_NULL;
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+
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+ // check arguments
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+ mp_arg_check_num(n_args, n_kw, 0, 1, false);
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+
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+ // check RTC device
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+ rtc_deivce = rt_device_find(MP_RTC_DEV_NAME);
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+ if (rtc_deivce == RT_NULL || rtc_deivce->type != RT_Device_Class_RTC) {
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+ rt_kprintf("ERROR: RTC device %s not found!\n", MP_RTC_DEV_NAME);
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+ nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "RTC(%s) don't exist", MP_RTC_DEV_NAME));
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+ }
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+
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+ // return constant object
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+ return (mp_obj_t)&machine_rtc_obj;
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+}
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+
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+STATIC mp_obj_t machine_rtc_datetime_helper(mp_uint_t n_args, const mp_obj_t *args) {
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+ if (n_args == 1) {
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+ struct tm *tblock;
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+ time_t t;
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+ // Get time
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+ t = time(RT_NULL);
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+ tblock = localtime(&t);
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+
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+ //printf("%d %d %d %d %d %d\n", tblock->tm_year + MP_YEAR_BASE, tblock->tm_mon + 1, tblock->tm_mday, tblock->tm_hour, tblock->tm_min, tblock->tm_sec);
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+
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+ mp_uint_t seconds = timeutils_mktime(tblock->tm_year + MP_YEAR_BASE, tblock->tm_mon + 1, tblock->tm_mday,
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+ tblock->tm_hour, tblock->tm_min, tblock->tm_sec);
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+ timeutils_struct_time_t tm;
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+ timeutils_seconds_since_2000_to_struct_time(seconds, &tm);
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+
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+ mp_obj_t tuple[8] = {
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+ mp_obj_new_int(tm.tm_year),
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+ mp_obj_new_int(tm.tm_mon),
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+ mp_obj_new_int(tm.tm_mday),
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+ mp_obj_new_int(tm.tm_wday),
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+ mp_obj_new_int(tm.tm_hour),
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+ mp_obj_new_int(tm.tm_min),
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+ mp_obj_new_int(tm.tm_sec),
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+ mp_obj_new_int(0)
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+ };
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+
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+ return mp_obj_new_tuple(8, tuple);
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+ } else {
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+ // Set time
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+
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+ mp_obj_t *items;
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+ mp_obj_get_array_fixed_n(args[1], 8, &items);
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+ set_date(mp_obj_get_int(items[0]), mp_obj_get_int(items[1]), mp_obj_get_int(items[2]));
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+ set_time(mp_obj_get_int(items[4]), mp_obj_get_int(items[5]), mp_obj_get_int(items[6]));
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+ return mp_const_none;
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+ }
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+}
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+
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+STATIC mp_obj_t machine_rtc_now(mp_uint_t n_args, const mp_obj_t *args) {
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+ return machine_rtc_datetime_helper(1, args);
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+}
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+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_rtc_now_obj, 0, 1, machine_rtc_now);
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+
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+STATIC mp_obj_t machine_rtc_init(mp_uint_t n_args, const mp_obj_t *args) {
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+ return machine_rtc_datetime_helper(n_args, args);
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+}
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+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_rtc_init_obj, 1, 2, machine_rtc_init);
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+
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+STATIC mp_obj_t machine_rtc_deinit(mp_uint_t n_args, const mp_obj_t *args) {
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+ struct tm tblock;
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+ tblock.tm_year = 2015 - MP_YEAR_BASE;
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+ tblock.tm_mon = 0;
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+ tblock.tm_mday = 1;
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+ tblock.tm_hour = 0;
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+ tblock.tm_min = 0;
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+ tblock.tm_sec = 0;
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+ set_date(tblock.tm_year + MP_YEAR_BASE, tblock.tm_mon + 1, tblock.tm_mday);
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+ set_time(tblock.tm_hour, tblock.tm_min, tblock.tm_sec);
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+ return mp_const_none;
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+}
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+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_rtc_deinit_obj, 0, 1, machine_rtc_deinit);
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+
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+STATIC const mp_rom_map_elem_t machine_rtc_locals_dict_table[] = {
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+ { MP_ROM_QSTR(MP_QSTR_init), MP_ROM_PTR(&machine_rtc_init_obj) },
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+ { MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&machine_rtc_deinit_obj) },
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+ { MP_ROM_QSTR(MP_QSTR_now), MP_ROM_PTR(&machine_rtc_now_obj) },
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+};
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+STATIC MP_DEFINE_CONST_DICT(machine_rtc_locals_dict, machine_rtc_locals_dict_table);
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+
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+const mp_obj_type_t machine_rtc_type = {
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+ { &mp_type_type },
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+ .name = MP_QSTR_RTC,
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+ .make_new = machine_rtc_make_new,
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+ .locals_dict = (mp_obj_t) &machine_rtc_locals_dict,
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+};
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+
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+#endif // MICROPYTHON_USING_MACHINE_RTC
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chenyong