dmx-ts
Version:
A nodejs DMX library
50 lines • 3.87 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.DMX4AllDriver = void 0;
const abstract_serial_driver_1 = require("./abstract-serial-driver");
const UNIVERSE_LEN = 512;
class DMX4AllDriver extends abstract_serial_driver_1.AbstractSerialDriver {
constructor(serialPort, options = {}) {
super(serialPort, {
serialPortOptions: {
'baudRate': 38400,
'dataBits': 8,
'stopBits': 1,
'parity': 'none',
},
sendInterval: 1000 / (options.dmxSpeed || 33),
});
this.readyToWrite = true;
}
sendUniverse() {
return __awaiter(this, void 0, void 0, function* () {
if (!this.serialPort.writable) {
return;
}
if (this.readyToWrite) {
this.readyToWrite = false;
const msg = Buffer.alloc(UNIVERSE_LEN * 3);
for (let i = 0; i < UNIVERSE_LEN; i++) {
msg[i * 3 + 0] = (i < 256) ? 0xE2 : 0xE3;
msg[i * 3 + 1] = i;
msg[i * 3 + 2] = this.universeBuffer[i + 1];
}
this.serialPort.write(msg);
this.serialPort.drain(() => {
this.readyToWrite = true;
});
}
});
}
}
exports.DMX4AllDriver = DMX4AllDriver;
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