kopia lustrzana https://github.com/micropython/micropython
76 wiersze
2.8 KiB
JavaScript
76 wiersze
2.8 KiB
JavaScript
/*
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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, 2018 Rami Ali
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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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mergeInto(LibraryManager.library, {
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// This string will be emitted directly into the output file by Emscripten.
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mp_js_ticks_ms__postset: "var MP_JS_EPOCH = Date.now()",
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mp_js_ticks_ms: () => Date.now() - MP_JS_EPOCH,
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mp_js_hook: () => {
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if (ENVIRONMENT_IS_NODE) {
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const mp_interrupt_char = Module.ccall(
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"mp_hal_get_interrupt_char",
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"number",
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["number"],
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["null"],
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);
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const fs = require("fs");
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const buf = Buffer.alloc(1);
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try {
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const n = fs.readSync(process.stdin.fd, buf, 0, 1);
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if (n > 0) {
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if (buf[0] === mp_interrupt_char) {
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Module.ccall(
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"mp_sched_keyboard_interrupt",
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"null",
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["null"],
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["null"],
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);
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} else {
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process.stdout.write(String.fromCharCode(buf[0]));
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}
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}
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} catch (e) {
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if (e.code === "EAGAIN") {
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} else {
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throw e;
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}
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}
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}
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},
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mp_js_time_ms: () => Date.now(),
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// Node prior to v19 did not expose "crypto" as a global, so make sure it exists.
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mp_js_random_u32__postset:
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"if (globalThis.crypto === undefined) { globalThis.crypto = require('crypto'); }",
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mp_js_random_u32: () =>
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globalThis.crypto.getRandomValues(new Uint32Array(1))[0],
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});
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