111 lines
4.3 KiB
C
111 lines
4.3 KiB
C
/*
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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) 2020 Scott Shawcroft for Adafruit Industries
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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/obj.h"
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#include "py/runtime.h"
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#include "bindings/espidf/__init__.h"
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#include "components/heap/include/esp_heap_caps.h"
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//| """Direct access to a few ESP-IDF details. This module *should not* include any functionality
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//| that could be implemented by other frameworks. It should only include ESP-IDF specific
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//| things."""
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//| def heap_caps_get_total_size() -> int:
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//| """Return the total size of the ESP-IDF, which includes the CircuitPython heap."""
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//| ...
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//|
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STATIC mp_obj_t espidf_heap_caps_get_total_size(void) {
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return MP_OBJ_NEW_SMALL_INT(heap_caps_get_total_size(MALLOC_CAP_8BIT));
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}
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MP_DEFINE_CONST_FUN_OBJ_0(espidf_heap_caps_get_total_size_obj, espidf_heap_caps_get_total_size);
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//| def heap_caps_get_free_size() -> int:
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//| """Return total free memory in the ESP-IDF heap."""
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//| ...
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//|
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STATIC mp_obj_t espidf_heap_caps_get_free_size(void) {
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return MP_OBJ_NEW_SMALL_INT(heap_caps_get_free_size(MALLOC_CAP_8BIT));
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}
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MP_DEFINE_CONST_FUN_OBJ_0(espidf_heap_caps_get_free_size_obj, espidf_heap_caps_get_free_size);
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//| def heap_caps_get_largest_free_block() -> int:
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//| """Return the size of largest free memory block in the ESP-IDF heap."""
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//| ...
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//|
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STATIC mp_obj_t espidf_heap_caps_get_largest_free_block(void) {
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return MP_OBJ_NEW_SMALL_INT(heap_caps_get_largest_free_block(MALLOC_CAP_8BIT));
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}
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MP_DEFINE_CONST_FUN_OBJ_0(espidf_heap_caps_get_largest_free_block_obj, espidf_heap_caps_get_largest_free_block);
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//| class MemoryError(MemoryError):
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//| """Raised when an ESP IDF memory allocation fails."""
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//| ...
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//|
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NORETURN void mp_raise_espidf_MemoryError(void) {
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nlr_raise(mp_obj_new_exception(&mp_type_espidf_MemoryError));
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}
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void espidf_exception_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind) {
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mp_print_kind_t k = kind & ~PRINT_EXC_SUBCLASS;
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bool is_subclass = kind & PRINT_EXC_SUBCLASS;
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if (!is_subclass && (k == PRINT_EXC)) {
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mp_print_str(print, qstr_str(MP_OBJ_QSTR_VALUE(MP_ROM_QSTR(MP_QSTR_espidf))));
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mp_print_str(print, ".");
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}
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mp_obj_exception_print(print, o_in, kind);
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}
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const mp_obj_type_t mp_type_espidf_MemoryError = {
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{ &mp_type_type },
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.name = MP_QSTR_MemoryError,
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.print = espidf_exception_print,
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.make_new = mp_obj_exception_make_new,
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.attr = mp_obj_exception_attr,
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.parent = &mp_type_MemoryError,
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};
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STATIC const mp_rom_map_elem_t espidf_module_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_espidf) },
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{ MP_ROM_QSTR(MP_QSTR_heap_caps_get_total_size), MP_ROM_PTR(&espidf_heap_caps_get_total_size_obj)},
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{ MP_ROM_QSTR(MP_QSTR_heap_caps_get_free_size), MP_ROM_PTR(&espidf_heap_caps_get_free_size_obj)},
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{ MP_ROM_QSTR(MP_QSTR_heap_caps_get_largest_free_block), MP_ROM_PTR(&espidf_heap_caps_get_largest_free_block_obj)},
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{ MP_ROM_QSTR(MP_QSTR_MemoryError), MP_ROM_PTR(&mp_type_espidf_MemoryError) },
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};
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STATIC MP_DEFINE_CONST_DICT(espidf_module_globals, espidf_module_globals_table);
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const mp_obj_module_t espidf_module = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&espidf_module_globals,
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};
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