var util = require('util');
var SerialPort = require('serialport');
var xbee_api = require('xbee-api');
var C = xbee_api.constants;
var xbeeAPI = new xbee_api.XBeeAPI({
api_mode: 2
});
var serialport = new SerialPort("/dev/ttyS0", {
baudrate: 9600,
parser: xbeeAPI.rawParser()
});
var d= new Date();
var yyyy =d.getFullYear()
var MM = (d.getMonth()+1<10 ? '0' : '')+(d.getMonth()+1);
var dd = (d.getDate()<10 ? '0' : '')+d.getDate();
var h = (d.getHours()<10 ? '0' : '')+d.getHours();
var m = (d.getMinutes()<10 ? '0' : '')+d.getMinutes();
var s = (d.getSeconds()<10 ? '0' : '')+d.getSeconds();
serialport.on("open", function () {
serialport.write(xbeeAPI.buildFrame(frame_obj_ack));
console.log('Sent to serial port.');
});
*/
// All frames parsed by the XBee will be emitted here
xbeeAPI.on("frame_object", function (frame) {
var d= new Date();
var yyyy =d.getFullYear()
var MM = (d.getMonth()+1<10 ? '0' : '')+(d.getMonth()+1);
var dd = (d.getDate()<10 ? '0' : '')+d.getDate();
var h = (d.getHours()<10 ? '0' : '')+d.getHours();
var m = (d.getMinutes()<10 ? '0' : '')+d.getMinutes();
var s = (d.getSeconds()<10 ? '0' : '')+d.getSeconds();
感謝使用 Node.js Taiwan AMA，以下附上簡單提問範例供參考，請把內容改成你自己遇到的問題
目的
在xbeeapi.on接收封包的同時
能夠週期性的發送另外的封包
使用的工具
在Pi3上安裝node.js v6.9.5 透過tx/rx連結xbee coordinator
操作流程
xbeeApi.on負責接收封包並根據來源節點地址回送ack及資訊 但想要再加入另外週期發送封包的動作
遇到的問題
若放入xbeeApi.on中需待有資料進入才會執行該段動作 在外部的話則是會有port被lock住的問題
嘗試過的解法
同上
程式碼
var util = require('util'); var SerialPort = require('serialport'); var xbee_api = require('xbee-api');
var C = xbee_api.constants;
var xbeeAPI = new xbee_api.XBeeAPI({ api_mode: 2 });
var serialport = new SerialPort("/dev/ttyS0", { baudrate: 9600, parser: xbeeAPI.rawParser() });
var d= new Date(); var yyyy =d.getFullYear() var MM = (d.getMonth()+1<10 ? '0' : '')+(d.getMonth()+1); var dd = (d.getDate()<10 ? '0' : '')+d.getDate(); var h = (d.getHours()<10 ? '0' : '')+d.getHours(); var m = (d.getMinutes()<10 ? '0' : '')+d.getMinutes(); var s = (d.getSeconds()<10 ? '0' : '')+d.getSeconds();
/* var frame_obj_ack = { type: 0x10, id: 0x01, destination64: "0013a20040d8da93" , broadcastRadius: 0x00, options: 0x00, // data: ""+h+m+s+dd+MM+yyyy data:"hi" };
serialport.on("open", function () { serialport.write(xbeeAPI.buildFrame(frame_obj_ack)); console.log('Sent to serial port.'); }); */
// All frames parsed by the XBee will be emitted here xbeeAPI.on("frame_object", function (frame) { var d= new Date(); var yyyy =d.getFullYear() var MM = (d.getMonth()+1<10 ? '0' : '')+(d.getMonth()+1); var dd = (d.getDate()<10 ? '0' : '')+d.getDate(); var h = (d.getHours()<10 ? '0' : '')+d.getHours(); var m = (d.getMinutes()<10 ? '0' : '')+d.getMinutes(); var s = (d.getSeconds()<10 ? '0' : '')+d.getSeconds();
console.log(">>", frame); console.log( ""+h+"-"+m+"-"+s+"-"+dd+"-"+MM+"-"+yyyy); var recadd = frame.remote64; //source address console.log(recadd); if(recadd!=null){ recadd = frame.remote64; var frame_obj_ack = { type: 0x10, id: 0x01, destination64: recadd , broadcastRadius: 0x00, options: 0x00, data: ""+h+m+s+dd+MM+yyyy }; serialport.write(xbeeAPI.buildFrame(frame_obj_ack)); console.log(recadd);
});
錯誤