141 lines
5.1 KiB
C
141 lines
5.1 KiB
C
/*
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* This file is part of the Micro Python 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) 2013, 2014 Damien P. George
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* Copyright (c) 2016 Linaro Limited
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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/mpconfig.h"
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#if MICROPY_PY_UTIME
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <time.h>
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#include <sys/time.h>
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#include <math.h>
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#include <zephyr.h>
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#include "py/runtime.h"
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#include "py/smallint.h"
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#include "py/mphal.h"
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#define MP_CLOCKS_PER_SEC CLOCKS_PER_SEC
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#define CLOCK_DIV (MP_CLOCKS_PER_SEC / 1000.0F)
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STATIC mp_obj_t mod_time_time(void) {
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/* the absense of f.p. support is deliberate. the zephyr port uses
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* single precision floats so the fraction component will start to
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* lose precision on devices with a long uptime.
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*/
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return mp_obj_new_int(sys_tick_get() / sys_clock_ticks_per_sec);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(mod_time_time_obj, mod_time_time);
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STATIC mp_obj_t mod_time_ticks_us(void) {
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mp_int_t us = sys_tick_get() * sys_clock_us_per_tick;
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return MP_OBJ_NEW_SMALL_INT(us & MP_SMALL_INT_POSITIVE_MASK);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(mod_time_ticks_us_obj, mod_time_ticks_us);
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STATIC mp_obj_t mod_time_ticks_ms(void) {
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int64_t us = sys_tick_get() * sys_clock_us_per_tick;
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mp_int_t ms = us / 1000;
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return MP_OBJ_NEW_SMALL_INT(ms & MP_SMALL_INT_POSITIVE_MASK);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(mod_time_ticks_ms_obj, mod_time_ticks_ms);
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STATIC mp_obj_t mod_time_ticks_cycles(void) {
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return MP_OBJ_NEW_SMALL_INT(sys_cycle_get_32());
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(mod_time_ticks_cycles_obj, mod_time_ticks_cycles);
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STATIC mp_obj_t mod_time_cycles_to_ns(mp_obj_t arg) {
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mp_int_t cycles = mp_obj_get_int(arg);
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return mp_obj_new_int(SYS_CLOCK_HW_CYCLES_TO_NS(cycles));
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_time_cycles_to_ns_obj, mod_time_cycles_to_ns);
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STATIC mp_obj_t mod_time_ticks_diff(mp_obj_t oldval, mp_obj_t newval) {
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mp_uint_t old = MP_OBJ_SMALL_INT_VALUE(oldval);
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mp_uint_t new = MP_OBJ_SMALL_INT_VALUE(newval);
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return MP_OBJ_NEW_SMALL_INT((new - old) & MP_SMALL_INT_POSITIVE_MASK);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_time_ticks_diff_obj, mod_time_ticks_diff);
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STATIC mp_obj_t mod_time_sleep(mp_obj_t arg) {
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MP_THREAD_GIL_EXIT();
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#if MICROPY_PY_BUILTINS_FLOAT
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if (MP_OBJ_IS_INT(arg)) {
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#endif
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task_sleep(SECONDS(mp_obj_get_int(arg)));
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#if MICROPY_PY_BUILTINS_FLOAT
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} else {
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task_sleep(MSEC(1000 * mp_obj_get_float(arg)));
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}
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#endif
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MP_THREAD_GIL_ENTER();
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_time_sleep_obj, mod_time_sleep);
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STATIC mp_obj_t mod_time_sleep_ms(mp_obj_t arg) {
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MP_THREAD_GIL_EXIT();
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task_sleep(MSEC(mp_obj_get_int(arg)));
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MP_THREAD_GIL_ENTER();
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_time_sleep_ms_obj, mod_time_sleep_ms);
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STATIC mp_obj_t mod_time_sleep_us(mp_obj_t arg) {
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MP_THREAD_GIL_EXIT();
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task_sleep(USEC(mp_obj_get_int(arg)));
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MP_THREAD_GIL_ENTER();
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_time_sleep_us_obj, mod_time_sleep_us);
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STATIC const mp_rom_map_elem_t mp_module_time_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_sleep), MP_ROM_PTR(&mod_time_sleep_obj) },
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{ MP_ROM_QSTR(MP_QSTR_sleep_ms), MP_ROM_PTR(&mod_time_sleep_ms_obj) },
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{ MP_ROM_QSTR(MP_QSTR_sleep_us), MP_ROM_PTR(&mod_time_sleep_us_obj) },
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{ MP_ROM_QSTR(MP_QSTR_time), MP_ROM_PTR(&mod_time_time_obj) },
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{ MP_ROM_QSTR(MP_QSTR_ticks_ms), MP_ROM_PTR(&mod_time_ticks_ms_obj) },
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{ MP_ROM_QSTR(MP_QSTR_ticks_us), MP_ROM_PTR(&mod_time_ticks_us_obj) },
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{ MP_ROM_QSTR(MP_QSTR_ticks_cycles), MP_ROM_PTR(&mod_time_ticks_cycles_obj) },
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{ MP_ROM_QSTR(MP_QSTR_cycles_to_ns), MP_ROM_PTR(&mod_time_cycles_to_ns_obj) },
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{ MP_ROM_QSTR(MP_QSTR_ticks_diff), MP_ROM_PTR(&mod_time_ticks_diff_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(mp_module_time_globals, mp_module_time_globals_table);
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const mp_obj_module_t mp_module_time = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&mp_module_time_globals,
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};
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#endif // MICROPY_PY_UTIME
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