/* * SPDX-License-Identifier: MIT * * Copyright (C) 2013-2024 OpenMV, LLC. * * 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. * * Clock Python module. */ #include "py/obj.h" #include "py/mphal.h" #include "py_clock.h" /* Clock Type */ typedef struct _py_clock_obj_t { mp_obj_base_t base; uint32_t t_start; uint32_t t_ticks; uint32_t t_frame; } py_clock_obj_t; mp_obj_t py_clock_tick(mp_obj_t clock_obj) { py_clock_obj_t *clock = (py_clock_obj_t *) clock_obj; clock->t_start = mp_hal_ticks_ms(); return mp_const_none; } static MP_DEFINE_CONST_FUN_OBJ_1(py_clock_tick_obj, py_clock_tick); mp_obj_t py_clock_fps(mp_obj_t clock_obj) { py_clock_obj_t *clock = (py_clock_obj_t *) clock_obj; clock->t_frame++; clock->t_ticks += (mp_hal_ticks_ms() - clock->t_start); float fps = 1000.0f / (clock->t_ticks / (float) clock->t_frame); return mp_obj_new_float(fps); } static MP_DEFINE_CONST_FUN_OBJ_1(py_clock_fps_obj, py_clock_fps); mp_obj_t py_clock_avg(mp_obj_t clock_obj) { py_clock_obj_t *clock = (py_clock_obj_t *) clock_obj; clock->t_frame++; clock->t_ticks += (mp_hal_ticks_ms() - clock->t_start); return mp_obj_new_float(clock->t_ticks / (float) clock->t_frame); } static MP_DEFINE_CONST_FUN_OBJ_1(py_clock_avg_obj, py_clock_avg); mp_obj_t py_clock_reset(mp_obj_t clock_obj) { py_clock_obj_t *clock = (py_clock_obj_t *) clock_obj; clock->t_start = 0; clock->t_ticks = 0; clock->t_frame = 0; return mp_const_none; } static MP_DEFINE_CONST_FUN_OBJ_1(py_clock_reset_obj, py_clock_reset); static void py_clock_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) { py_clock_obj_t *self = self_in; mp_printf(print, "t_start:%d t_ticks:%d t_frame:%d\n", self->t_start, self->t_ticks, self->t_frame); } mp_obj_t py_clock_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) { py_clock_obj_t *clock = NULL; clock = m_new_obj(py_clock_obj_t); clock->base.type = &py_clock_type; clock->t_start = 0; clock->t_ticks = 0; clock->t_frame = 0; return MP_OBJ_FROM_PTR(clock); } static const mp_rom_map_elem_t py_clock_locals_dict_table[] = { { MP_OBJ_NEW_QSTR(MP_QSTR_tick), MP_ROM_PTR(&py_clock_tick_obj)}, { MP_OBJ_NEW_QSTR(MP_QSTR_fps), MP_ROM_PTR(&py_clock_fps_obj)}, { MP_OBJ_NEW_QSTR(MP_QSTR_avg), MP_ROM_PTR(&py_clock_avg_obj)}, { MP_OBJ_NEW_QSTR(MP_QSTR_reset), MP_ROM_PTR(&py_clock_reset_obj)}, { NULL, NULL }, }; static MP_DEFINE_CONST_DICT(py_clock_locals_dict, py_clock_locals_dict_table); MP_DEFINE_CONST_OBJ_TYPE( py_clock_type, MP_QSTR_Clock, MP_TYPE_FLAG_NONE, print, py_clock_print, make_new, py_clock_make_new, locals_dict, &py_clock_locals_dict );