81 lines
3.0 KiB
C
81 lines
3.0 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) 2015 Josef Gajdusek
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* Copyright (c) 2017 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 <string.h>
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#include "etshal.h"
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#include "py/objtuple.h"
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#include "py/objstr.h"
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#include "genhdr/mpversion.h"
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#include "user_interface.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_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_obj_tuple_t os_uname_info_obj = {
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.base = {&mp_type_attrtuple},
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.len = 5,
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.items = {
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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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NULL,
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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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(void *)os_uname_info_fields,
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}
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};
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mp_obj_t common_hal_os_uname(void) {
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// We must populate the "release" field each time in case it was GC'd since the last call.
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const char *ver = system_get_sdk_version();
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os_uname_info_obj.items[2] = mp_obj_new_str(ver, strlen(ver), false);
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return (mp_obj_t)&os_uname_info_obj;
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}
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static uint32_t last_random;
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bool common_hal_os_urandom(uint8_t* buffer, uint32_t length) {
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uint32_t i = 0;
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while (i < length) {
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uint32_t new_random = last_random;
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while (new_random == last_random) {
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new_random = *WDEV_HWRNG;
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}
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for (int j = 0; j < 4 && i < length; j++) {
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buffer[i] = new_random & 0xff;
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i++;
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new_random >>= 8;
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}
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}
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return true;
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}
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