kopia lustrzana https://github.com/micropython/micropython
71 wiersze
2.9 KiB
C
71 wiersze
2.9 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) 2017 Ayke van Laethem
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* Copyright (c) 2019 Glenn Ruben Bakke
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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/runtime.h"
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#if MICROPY_PY_NRF
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#if MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE
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#include "flashbdev.h"
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#include "flash.h"
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#define FLASH_PAGE_ALIGN_UP(addr) (((addr) - 1) + (FLASH_PAGESIZE)-(((addr) - 1) % (FLASH_PAGESIZE)))
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extern uint32_t _unused_flash_start;
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extern uint32_t _unused_flash_len;
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mp_obj_t nrf_modnrf_freeflash_start_aligned(void) {
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return mp_obj_new_int_from_uint(FLASH_PAGE_ALIGN_UP((uint32_t)&_unused_flash_start));
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(nrf_modnrf_freeflash_start_aligned_obj, nrf_modnrf_freeflash_start_aligned);
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mp_obj_t nrf_modnrf_freeflash_length_aligned(void) {
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uint32_t align_diff = FLASH_PAGE_ALIGN_UP((uint32_t)&_unused_flash_start) - ((uint32_t)&_unused_flash_start);
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uint32_t temp_len = ((uint32_t)&_unused_flash_len) - align_diff;
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uint32_t len_page_aligned = (temp_len / FLASH_PAGESIZE) * FLASH_PAGESIZE;
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return mp_obj_new_int_from_uint(len_page_aligned);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(nrf_modnrf_freeflash_length_aligned_obj, nrf_modnrf_freeflash_length_aligned);
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#endif
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STATIC const mp_rom_map_elem_t nrf_module_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_nrf) },
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#if MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE
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{ MP_ROM_QSTR(MP_QSTR_Flash), MP_ROM_PTR(&nrf_flashbdev_type) },
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{ MP_ROM_QSTR(MP_QSTR_unused_flash_start), MP_ROM_PTR(&nrf_modnrf_freeflash_start_aligned_obj) },
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{ MP_ROM_QSTR(MP_QSTR_unused_flash_length), MP_ROM_PTR(&nrf_modnrf_freeflash_length_aligned_obj) },
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#endif
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};
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STATIC MP_DEFINE_CONST_DICT(nrf_module_globals, nrf_module_globals_table);
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const mp_obj_module_t nrf_module = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t *)&nrf_module_globals,
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};
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#endif // MICROPY_PY_NRF
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