diff options
Diffstat (limited to 'cc3200/mods/pybrtc.c')
| -rw-r--r-- | cc3200/mods/pybrtc.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/cc3200/mods/pybrtc.c b/cc3200/mods/pybrtc.c new file mode 100644 index 0000000000..8d43830680 --- /dev/null +++ b/cc3200/mods/pybrtc.c @@ -0,0 +1,158 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2013, 2014 Damien P. George + * Copyright (c) 2015 Daniel Campora + * + * 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 <stdio.h> + +#include "mpconfig.h" +#include MICROPY_HAL_H +#include "misc.h" +#include "qstr.h" +#include "obj.h" +#include "runtime.h" +#include "modutime.h" +#include "inc/hw_types.h" +#include "inc/hw_ints.h" +#include "inc/hw_memmap.h" +#include "rom_map.h" +#include "prcm.h" +#include "pybrtc.h" + +/// \moduleref pyb +/// \class RTC - real time clock +/// +/// The RTC is and independent clock that keeps track of the date +/// and time. +/// +/// Example usage: +/// +/// rtc = pyb.RTC() +/// rtc.datetime((2014, 5, 1, 4, 13, 0, 0, 0)) +/// print(rtc.datetime()) + +void pybrtc_init(void) { + // if RTC was previously set leave it alone + if (MAP_PRCMSysResetCauseGet() == PRCM_POWER_ON) { + // fresh reset; configure RTC Calendar + // set the date to 1st Jan 2015 + // set the time to 00:00:00 + uint32_t seconds = mod_time_seconds_since_2000(2015, 1, 1, 0, 0, 0); + + MAP_PRCMRTCSet(seconds, 0); + + // Mark that the RTC is in use + MAP_PRCMRTCInUseSet(); + } +} + +/******************************************************************************/ +// Micro Python bindings + +typedef struct _pyb_rtc_obj_t { + mp_obj_base_t base; +} pyb_rtc_obj_t; + +STATIC const pyb_rtc_obj_t pyb_rtc_obj = {{&pyb_rtc_type}}; + +/// \classmethod \constructor() +/// Create an RTC object. +STATIC mp_obj_t pyb_rtc_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) { + // check arguments + mp_arg_check_num(n_args, n_kw, 0, 0, false); + + // return constant object + return (mp_obj_t)&pyb_rtc_obj; +} + +/// \method datetime([datetimetuple]) +/// Get or set the date and time of the RTC. +/// +/// With no arguments, this method returns an 8-tuple with the current +/// date and time. With 1 argument (being an 8-tuple) it sets the date +/// and time. +/// +/// The 8-tuple has the following format: +/// +/// (year, month, day, weekday, hours, minutes, seconds, milliseconds) +/// +/// `weekday` is 1-7 for Monday through Sunday. +/// +mp_obj_t pyb_rtc_datetime(mp_uint_t n_args, const mp_obj_t *args) { + mod_struct_time tm; + uint32_t seconds; + uint16_t mseconds; + + if (n_args == 1) { + // get the seconds and the milliseconds from the RTC + MAP_PRCMRTCGet(&seconds, &mseconds); + mseconds = RTC_CYCLES_U16MS(mseconds); + mod_time_seconds_since_2000_to_struct_time(seconds, &tm); + + mp_obj_t tuple[8] = { + mp_obj_new_int(tm.tm_year), + mp_obj_new_int(tm.tm_mon), + mp_obj_new_int(tm.tm_mday), + mp_obj_new_int(tm.tm_wday), + mp_obj_new_int(tm.tm_hour), + mp_obj_new_int(tm.tm_min), + mp_obj_new_int(tm.tm_sec), + mp_obj_new_int(mseconds) + }; + return mp_obj_new_tuple(8, tuple); + } else { + // set date and time + mp_obj_t *items; + mp_obj_get_array_fixed_n(args[1], 8, &items); + + tm.tm_year = mp_obj_get_int(items[0]); + tm.tm_mon = mp_obj_get_int(items[1]); + tm.tm_mday = mp_obj_get_int(items[2]); + // Skip the weekday + tm.tm_hour = mp_obj_get_int(items[4]); + tm.tm_min = mp_obj_get_int(items[5]); + tm.tm_sec = mp_obj_get_int(items[6]); + mseconds = mp_obj_get_int(items[7]); + + seconds = mod_time_seconds_since_2000(tm.tm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec); + mseconds = RTC_U16MS_CYCLES(mseconds); + MAP_PRCMRTCSet(seconds, mseconds); + + return mp_const_none; + } +} +MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_rtc_datetime_obj, 1, 2, pyb_rtc_datetime); + +STATIC const mp_map_elem_t pyb_rtc_locals_dict_table[] = { + { MP_OBJ_NEW_QSTR(MP_QSTR_datetime), (mp_obj_t)&pyb_rtc_datetime_obj }, +}; +STATIC MP_DEFINE_CONST_DICT(pyb_rtc_locals_dict, pyb_rtc_locals_dict_table); + +const mp_obj_type_t pyb_rtc_type = { + { &mp_type_type }, + .name = MP_QSTR_RTC, + .make_new = pyb_rtc_make_new, + .locals_dict = (mp_obj_t)&pyb_rtc_locals_dict, +}; |