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- "use strict";
- var __importDefault = (this && this.__importDefault) || function (mod) {
- return (mod && mod.__esModule) ? mod : { "default": mod };
- };
- Object.defineProperty(exports, "__esModule", { value: true });
- exports.WindowsPortBinding = exports.WindowsBinding = void 0;
- const debug_1 = __importDefault(require("debug"));
- const _1 = require(".");
- const load_bindings_1 = require("./load-bindings");
- const win32_sn_parser_1 = require("./win32-sn-parser");
- const debug = (0, debug_1.default)('serialport/bindings-cpp');
- exports.WindowsBinding = {
- async list() {
- const ports = await (0, load_bindings_1.asyncList)();
- // Grab the serial number from the pnp id
- return ports.map(port => {
- if (port.pnpId && !port.serialNumber) {
- const serialNumber = (0, win32_sn_parser_1.serialNumParser)(port.pnpId);
- if (serialNumber) {
- return Object.assign(Object.assign({}, port), { serialNumber });
- }
- }
- return port;
- });
- },
- async open(options) {
- if (!options || typeof options !== 'object' || Array.isArray(options)) {
- throw new TypeError('"options" is not an object');
- }
- if (!options.path) {
- throw new TypeError('"path" is not a valid port');
- }
- if (!options.baudRate) {
- throw new TypeError('"baudRate" is not a valid baudRate');
- }
- debug('open');
- const openOptions = Object.assign({ dataBits: 8, lock: true, stopBits: 1, parity: 'none', rtscts: false, rtsMode: 'handshake', xon: false, xoff: false, xany: false, hupcl: true }, options);
- const fd = await (0, load_bindings_1.asyncOpen)(openOptions.path, openOptions);
- return new WindowsPortBinding(fd, openOptions);
- },
- };
- /**
- * The Windows binding layer
- */
- class WindowsPortBinding {
- constructor(fd, options) {
- this.fd = fd;
- this.openOptions = options;
- this.writeOperation = null;
- }
- get isOpen() {
- return this.fd !== null;
- }
- async close() {
- debug('close');
- if (!this.isOpen) {
- throw new Error('Port is not open');
- }
- const fd = this.fd;
- this.fd = null;
- await (0, load_bindings_1.asyncClose)(fd);
- }
- async read(buffer, offset, length) {
- if (!Buffer.isBuffer(buffer)) {
- throw new TypeError('"buffer" is not a Buffer');
- }
- if (typeof offset !== 'number' || isNaN(offset)) {
- throw new TypeError(`"offset" is not an integer got "${isNaN(offset) ? 'NaN' : typeof offset}"`);
- }
- if (typeof length !== 'number' || isNaN(length)) {
- throw new TypeError(`"length" is not an integer got "${isNaN(length) ? 'NaN' : typeof length}"`);
- }
- debug('read');
- if (buffer.length < offset + length) {
- throw new Error('buffer is too small');
- }
- if (!this.isOpen) {
- throw new Error('Port is not open');
- }
- try {
- const bytesRead = await (0, load_bindings_1.asyncRead)(this.fd, buffer, offset, length);
- return { bytesRead, buffer };
- }
- catch (err) {
- if (!this.isOpen) {
- throw new _1.BindingsError(err.message, { canceled: true });
- }
- throw err;
- }
- }
- async write(buffer) {
- if (!Buffer.isBuffer(buffer)) {
- throw new TypeError('"buffer" is not a Buffer');
- }
- debug('write', buffer.length, 'bytes');
- if (!this.isOpen) {
- debug('write', 'error port is not open');
- throw new Error('Port is not open');
- }
- this.writeOperation = (async () => {
- if (buffer.length === 0) {
- return;
- }
- await (0, load_bindings_1.asyncWrite)(this.fd, buffer);
- this.writeOperation = null;
- })();
- return this.writeOperation;
- }
- async update(options) {
- if (!options || typeof options !== 'object' || Array.isArray(options)) {
- throw TypeError('"options" is not an object');
- }
- if (typeof options.baudRate !== 'number') {
- throw new TypeError('"options.baudRate" is not a number');
- }
- debug('update');
- if (!this.isOpen) {
- throw new Error('Port is not open');
- }
- await (0, load_bindings_1.asyncUpdate)(this.fd, options);
- }
- async set(options) {
- if (!options || typeof options !== 'object' || Array.isArray(options)) {
- throw new TypeError('"options" is not an object');
- }
- debug('set', options);
- if (!this.isOpen) {
- throw new Error('Port is not open');
- }
- await (0, load_bindings_1.asyncSet)(this.fd, options);
- }
- async get() {
- debug('get');
- if (!this.isOpen) {
- throw new Error('Port is not open');
- }
- return (0, load_bindings_1.asyncGet)(this.fd);
- }
- async getBaudRate() {
- debug('getBaudRate');
- if (!this.isOpen) {
- throw new Error('Port is not open');
- }
- return (0, load_bindings_1.asyncGetBaudRate)(this.fd);
- }
- async flush() {
- debug('flush');
- if (!this.isOpen) {
- throw new Error('Port is not open');
- }
- await (0, load_bindings_1.asyncFlush)(this.fd);
- }
- async drain() {
- debug('drain');
- if (!this.isOpen) {
- throw new Error('Port is not open');
- }
- await this.writeOperation;
- await (0, load_bindings_1.asyncDrain)(this.fd);
- }
- }
- exports.WindowsPortBinding = WindowsPortBinding;
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