mirror of
https://github.com/m5stack/M5Stack_MicroPython.git
synced 2026-05-20 10:14:44 -07:00
282 lines
10 KiB
C
282 lines
10 KiB
C
/*
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* This file is part of the MicroPython ESP32 project, https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2014 Damien P. George
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* Copyright (c) 2016-2017 Paul Sokolovsky
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* Copyright (c) 2018 LoBo (https://github.com/loboris)
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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 <string.h>
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#include <math.h>
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#include "py/objlist.h"
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#include "py/runtime.h"
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#include "py/smallint.h"
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#if MICROPY_PY_UTIMEQ
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struct qentry {
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int64_t time;
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mp_uint_t id;
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mp_obj_t callback;
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mp_obj_t args;
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};
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typedef struct _mp_obj_utimeq_t {
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mp_obj_base_t base;
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mp_uint_t alloc;
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mp_uint_t len;
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bool ascending;
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struct qentry items[];
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} mp_obj_utimeq_t;
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STATIC mp_uint_t utimeq_id = 0;
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STATIC bool sort_asc = true;
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//--------------------------------------------------
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STATIC mp_obj_utimeq_t *get_heap(mp_obj_t heap_in) {
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return MP_OBJ_TO_PTR(heap_in);
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}
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//----------------------------------------------------------------
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STATIC int compare_times(const void * item, const void * parent) {
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int ret = 0;
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int64_t res = ((struct qentry *)parent)->time - ((struct qentry *)item)->time;
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ret = (res < 0) ? -1 : 1;
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if (res == 0) {
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ret = (((struct qentry *)parent)->id - ((struct qentry *)item)->id);
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}
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if (sort_asc) ret *= -1;
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return ret;
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}
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//---------------------------------------------
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STATIC void sort_items(mp_obj_utimeq_t *heap) {
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sort_asc = heap->ascending;
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qsort(&heap->items, heap->len, sizeof(struct qentry), compare_times);
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}
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//----------------------------------------------------------------------------------------------------------------
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STATIC mp_obj_t utimeq_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
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enum { ARG_size, ARG_sort };
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_size, MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = mp_const_none}},
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{ MP_QSTR_asc, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = true}},
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};
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// parse arguments
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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mp_arg_check_num(n_args, n_kw, 1, 1, true);
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mp_uint_t alloc = mp_obj_get_int(args[ARG_size].u_obj);
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mp_obj_utimeq_t *o = m_new_obj_var(mp_obj_utimeq_t, struct qentry, alloc);
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o->base.type = type;
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memset(o->items, 0, sizeof(*o->items) * alloc);
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o->alloc = alloc;
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o->len = 0;
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o->ascending = args[ARG_sort].u_bool;
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return MP_OBJ_FROM_PTR(o);
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}
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//------------------------------------------------------------------------
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STATIC mp_obj_t mod_utimeq_heappush(size_t n_args, const mp_obj_t *args) {
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(void)n_args;
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mp_obj_t heap_in = args[0];
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mp_obj_utimeq_t *heap = get_heap(heap_in);
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if (heap->len == heap->alloc) {
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mp_raise_msg(&mp_type_IndexError, "queue overflow");
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}
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mp_uint_t l = heap->len;
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// time argument can be float or integer
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// if float, convert it to 64-bit integer
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int64_t itime;
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if (mp_obj_is_float(args[1])) {
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mp_float_t time = mp_obj_float_get(args[1]);
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itime = (int64_t)(round(time));
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}
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else itime = mp_obj_get_int64(args[1]);
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heap->items[l].time = itime;
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heap->items[l].id = utimeq_id++;
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heap->items[l].callback = args[2];
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heap->items[l].args = args[3];
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heap->len++;
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sort_items(heap);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_utimeq_heappush_obj, 4, 4, mod_utimeq_heappush);
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//-----------------------------------------------------------------------
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STATIC mp_obj_t mod_utimeq_heappop(mp_obj_t heap_in, mp_obj_t list_ref) {
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mp_obj_utimeq_t *heap = get_heap(heap_in);
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if (heap->len == 0) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_IndexError, "empty heap"));
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}
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mp_obj_list_t *ret = MP_OBJ_TO_PTR(list_ref);
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if (!MP_OBJ_IS_TYPE(list_ref, &mp_type_list) || ret->len < 3) {
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mp_raise_TypeError(NULL);
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}
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struct qentry *item = &heap->items[0];
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ret->items[0] = mp_obj_new_int_from_ll(item->time);
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ret->items[1] = item->callback;
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ret->items[2] = item->args;
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heap->len -= 1;
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if (heap->len) {
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memmove(&heap->items[0], &heap->items[1], sizeof(struct qentry) * heap->len);
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//sort_items(heap);
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// we don't want to retain a pointers !
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memset(&heap->items[heap->len], 0, sizeof(struct qentry));
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_utimeq_heappop_obj, mod_utimeq_heappop);
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//-----------------------------------------------------------------------------------------
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STATIC mp_obj_t mod_utimeq_heappeek(mp_obj_t heap_in, mp_obj_t idx_in, mp_obj_t list_ref) {
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mp_obj_utimeq_t *heap = get_heap(heap_in);
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if (heap->len == 0) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_IndexError, "empty heap"));
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}
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int pos = mp_obj_get_int(idx_in);
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if ((pos < 0) || (pos >= heap->len)) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_IndexError, "wrong heap index"));
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}
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mp_obj_list_t *ret = MP_OBJ_TO_PTR(list_ref);
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if (!MP_OBJ_IS_TYPE(list_ref, &mp_type_list) || ret->len < 3) {
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mp_raise_TypeError(NULL);
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}
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struct qentry *item = &heap->items[pos];
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ret->items[0] = mp_obj_new_int_from_ll(item->time);
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ret->items[1] = item->callback;
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ret->items[2] = item->args;
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_3(mod_utimeq_heappeek_obj, mod_utimeq_heappeek);
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//------------------------------------------------------------------------
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STATIC mp_obj_t mod_utimeq_peektime(size_t n_args, const mp_obj_t *args) {
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mp_obj_utimeq_t *heap = get_heap(args[0]);
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if (heap->len == 0) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_IndexError, "empty heap"));
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}
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int pos = 0;
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if (n_args == 2) {
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pos = mp_obj_get_int(args[1]);
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if ((pos < 0) || (pos >= heap->len)) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_IndexError, "wrong heap index"));
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}
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}
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struct qentry *item = &heap->items[pos];
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return mp_obj_new_int_from_ll(item->time);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_utimeq_peektime_obj, 1, 2, mod_utimeq_peektime);
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//------------------------------------------------
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STATIC mp_obj_t mod_utimeq_len(mp_obj_t heap_in) {
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mp_obj_utimeq_t *heap = get_heap(heap_in);
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mp_obj_tuple_t *t = mp_obj_new_tuple(2, NULL);
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t->items[0] = mp_obj_new_int(heap->len);
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t->items[1] = mp_obj_new_int(heap->alloc);
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return t;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_utimeq_len_obj, mod_utimeq_len);
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//--------------------------------------------------------------------
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STATIC mp_obj_t mod_utimeq_dump(size_t n_args, const mp_obj_t *args) {
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mp_obj_utimeq_t *heap = get_heap(args[0]);
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int maxlen = heap->len;
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if (n_args == 2) {
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if ( mp_obj_is_true(args[1])) maxlen = heap->alloc;
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}
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printf("%4s%21s%10s%12s%12s\n", "Idx", "Time", "ID", "Callback", "Arg");
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printf("-----------------------------------------------------------\n");
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for (int i = 0; i < maxlen; i++) {
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printf("%4d%21lld%10u%12p%12p", i, heap->items[i].time, heap->items[i].id,
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MP_OBJ_TO_PTR(heap->items[i].callback), MP_OBJ_TO_PTR(heap->items[i].args));
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if (i >= heap->len) printf(" (empty)\n");
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else printf("\n");
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}
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printf("-----------------------------------------------------------\n");
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_utimeq_dump_obj, 1, 2, mod_utimeq_dump);
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//-------------------------------------------------------------------
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STATIC mp_obj_t utimeq_unary_op(mp_unary_op_t op, mp_obj_t self_in) {
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mp_obj_utimeq_t *self = MP_OBJ_TO_PTR(self_in);
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switch (op) {
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case MP_UNARY_OP_BOOL: return mp_obj_new_bool(self->len != 0);
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case MP_UNARY_OP_LEN: return MP_OBJ_NEW_SMALL_INT(self->len);
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default: return MP_OBJ_NULL; // op not supported
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}
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}
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//===========================================================
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STATIC const mp_rom_map_elem_t utimeq_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_push), MP_ROM_PTR(&mod_utimeq_heappush_obj) },
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{ MP_ROM_QSTR(MP_QSTR_pop), MP_ROM_PTR(&mod_utimeq_heappop_obj) },
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{ MP_ROM_QSTR(MP_QSTR_peek), MP_ROM_PTR(&mod_utimeq_heappeek_obj) },
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{ MP_ROM_QSTR(MP_QSTR_peektime), MP_ROM_PTR(&mod_utimeq_peektime_obj) },
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{ MP_ROM_QSTR(MP_QSTR_len), MP_ROM_PTR(&mod_utimeq_len_obj) },
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{ MP_ROM_QSTR(MP_QSTR_dump), MP_ROM_PTR(&mod_utimeq_dump_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(utimeq_locals_dict, utimeq_locals_dict_table);
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//========================================
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STATIC const mp_obj_type_t utimeq_type = {
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{ &mp_type_type },
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.name = MP_QSTR_utimeq,
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.make_new = utimeq_make_new,
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.unary_op = utimeq_unary_op,
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.locals_dict = (void*)&utimeq_locals_dict,
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};
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//=================================================================
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STATIC const mp_rom_map_elem_t mp_module_utimeq_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_utimeq) },
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{ MP_ROM_QSTR(MP_QSTR_utimeq), MP_ROM_PTR(&utimeq_type) },
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};
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STATIC MP_DEFINE_CONST_DICT(mp_module_utimeq_globals, mp_module_utimeq_globals_table);
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//========================================
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const mp_obj_module_t mp_module_utimeq = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&mp_module_utimeq_globals,
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};
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#endif //MICROPY_PY_UTIMEQ
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