modbus-serial
Version:
A pure JavaScript implemetation of MODBUS-RTU (Serial and TCP) for NodeJS.
51 lines (42 loc) • 943 B
JavaScript
const events = require("events");
const EventEmitter = events.EventEmitter || events;
class SerialPortMock extends EventEmitter {
/**
* Mock for SerialPort
*/
constructor(options, callback) {
super();
this._openFlag = false;
if (callback) {
callback(null);
}
}
get isOpen() {
return this._openFlag;
}
open(callback) {
this._openFlag = true;
if (callback) {
callback(null);
}
this.emit("open");
}
write(buffer, callback) {
this._data = buffer;
if (callback) {
callback(null);
}
}
close(callback) {
this._openFlag = false;
if (callback) {
callback(null);
}
this.emit("close");
}
receive(buffer) {
this.emit("data", buffer);
}
}
module.exports = { SerialPort: SerialPortMock };
;