162 lines
5.5 KiB
C
162 lines
5.5 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) 2016 Damien P. George
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*
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* use of the TRNG by
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* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
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* Copyright (c) 2019 Artur Pacholec
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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/objstr.h"
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#include "py/runtime.h"
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#include "py/mphal.h"
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#include "extmod/misc.h"
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#include "extmod/vfs.h"
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#include "extmod/vfs_fat.h"
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#include "extmod/vfs_lfs.h"
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#include "genhdr/mpversion.h"
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#include "fsl_trng.h"
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STATIC const qstr os_uname_info_fields[] = {
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MP_QSTR_sysname, MP_QSTR_nodename,
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MP_QSTR_release, MP_QSTR_version, MP_QSTR_machine
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};
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STATIC const MP_DEFINE_STR_OBJ(os_uname_info_sysname_obj, MICROPY_PY_SYS_PLATFORM);
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STATIC const MP_DEFINE_STR_OBJ(os_uname_info_nodename_obj, MICROPY_PY_SYS_PLATFORM);
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STATIC const MP_DEFINE_STR_OBJ(os_uname_info_release_obj, MICROPY_VERSION_STRING);
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STATIC const MP_DEFINE_STR_OBJ(os_uname_info_version_obj, MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE);
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STATIC const MP_DEFINE_STR_OBJ(os_uname_info_machine_obj, MICROPY_HW_BOARD_NAME " with " MICROPY_HW_MCU_NAME);
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STATIC MP_DEFINE_ATTRTUPLE(
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os_uname_info_obj,
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os_uname_info_fields,
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5,
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(mp_obj_t)&os_uname_info_sysname_obj,
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(mp_obj_t)&os_uname_info_nodename_obj,
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(mp_obj_t)&os_uname_info_release_obj,
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(mp_obj_t)&os_uname_info_version_obj,
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(mp_obj_t)&os_uname_info_machine_obj
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);
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STATIC mp_obj_t os_uname(void) {
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return (mp_obj_t)&os_uname_info_obj;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(os_uname_obj, os_uname);
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static bool initialized = false;
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STATIC void trng_start(void) {
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trng_config_t trngConfig;
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if (!initialized) {
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TRNG_GetDefaultConfig(&trngConfig);
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trngConfig.sampleMode = kTRNG_SampleModeVonNeumann;
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TRNG_Init(TRNG, &trngConfig);
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initialized = true;
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}
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}
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uint32_t trng_random_u32(void) {
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uint32_t rngval;
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trng_start();
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TRNG_GetRandomData(TRNG, (uint8_t *)&rngval, 4);
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return rngval;
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}
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STATIC mp_obj_t os_urandom(mp_obj_t num) {
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mp_int_t n = mp_obj_get_int(num);
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vstr_t vstr;
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vstr_init_len(&vstr, n);
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trng_start();
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TRNG_GetRandomData(TRNG, vstr.buf, n);
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return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_urandom_obj, os_urandom);
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#if MICROPY_PY_OS_DUPTERM
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STATIC mp_obj_t os_dupterm_notify(mp_obj_t obj_in) {
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(void)obj_in;
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for (;;) {
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int c = mp_uos_dupterm_rx_chr();
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if (c < 0) {
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break;
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}
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ringbuf_put(&stdin_ringbuf, c);
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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_1(os_dupterm_notify_obj, os_dupterm_notify);
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#endif
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STATIC const mp_rom_map_elem_t os_module_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_uos) },
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{ MP_ROM_QSTR(MP_QSTR_uname), MP_ROM_PTR(&os_uname_obj) },
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{ MP_ROM_QSTR(MP_QSTR_urandom), MP_ROM_PTR(&os_urandom_obj) },
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#if MICROPY_VFS
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{ MP_ROM_QSTR(MP_QSTR_chdir), MP_ROM_PTR(&mp_vfs_chdir_obj) },
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{ MP_ROM_QSTR(MP_QSTR_getcwd), MP_ROM_PTR(&mp_vfs_getcwd_obj) },
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{ MP_ROM_QSTR(MP_QSTR_listdir), MP_ROM_PTR(&mp_vfs_listdir_obj) },
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{ MP_ROM_QSTR(MP_QSTR_mkdir), MP_ROM_PTR(&mp_vfs_mkdir_obj) },
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{ MP_ROM_QSTR(MP_QSTR_remove), MP_ROM_PTR(&mp_vfs_remove_obj) },
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{ MP_ROM_QSTR(MP_QSTR_rename), MP_ROM_PTR(&mp_vfs_rename_obj) },
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{ MP_ROM_QSTR(MP_QSTR_rmdir), MP_ROM_PTR(&mp_vfs_rmdir_obj) },
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{ MP_ROM_QSTR(MP_QSTR_stat), MP_ROM_PTR(&mp_vfs_stat_obj) },
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{ MP_ROM_QSTR(MP_QSTR_statvfs), MP_ROM_PTR(&mp_vfs_statvfs_obj) },
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#endif
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// The following are MicroPython extensions.
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#if MICROPY_PY_OS_DUPTERM
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{ MP_ROM_QSTR(MP_QSTR_dupterm), MP_ROM_PTR(&mp_uos_dupterm_obj) },
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{ MP_ROM_QSTR(MP_QSTR_dupterm_notify), MP_ROM_PTR(&os_dupterm_notify_obj) },
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#endif
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#if MICROPY_VFS
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{ MP_ROM_QSTR(MP_QSTR_ilistdir), MP_ROM_PTR(&mp_vfs_ilistdir_obj) },
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{ MP_ROM_QSTR(MP_QSTR_mount), MP_ROM_PTR(&mp_vfs_mount_obj) },
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{ MP_ROM_QSTR(MP_QSTR_umount), MP_ROM_PTR(&mp_vfs_umount_obj) },
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#if MICROPY_VFS_FAT
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{ MP_ROM_QSTR(MP_QSTR_VfsFat), MP_ROM_PTR(&mp_fat_vfs_type) },
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#endif
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#if MICROPY_VFS_LFS1
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{ MP_ROM_QSTR(MP_QSTR_VfsLfs1), MP_ROM_PTR(&mp_type_vfs_lfs1) },
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#endif
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#if MICROPY_VFS_LFS2
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{ MP_ROM_QSTR(MP_QSTR_VfsLfs2), MP_ROM_PTR(&mp_type_vfs_lfs2) },
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#endif
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#endif
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};
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STATIC MP_DEFINE_CONST_DICT(os_module_globals, os_module_globals_table);
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const mp_obj_module_t mp_module_uos = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t *)&os_module_globals,
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};
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