实现多开并且串口数据处理后传递至渲染端

src/main/load-serialport.js

@@ -1,8 +1,11 @@
 const { ipcMain } = require('electron')
 const SerialPort  = require('serialport')
-const Readline    = require('@serialport/parser-readline')
+// const Readline    = require('@serialport/parser-readline')
+const InterByteTimeout = require('@serialport/parser-inter-byte-timeout')
 const config      = require('./config')
 
+const NMEAHandler = require('./api/NMEAHandler')
+
 const DEFAULT_BAUDRATE = 9600
 const getSerialPortConstructorArguments = (ports) => {
   let serialport = config.get('serialport')
@@ -26,9 +29,9 @@ SerialPort.list().then((ports, err) => {
     return
   }
 
-  console.log(ports, '=====================')
+  // console.log(ports, '=====================')
 
-  // 过滤到COM1口，很多电脑自带COM1接口
+  // 过滤掉COM1口，很多电脑自带COM1接口
   ports.filter((port) => port.path != 'COM1')
   if (ports.length == 0) {
     console.error('设备为连接')
@@ -38,8 +41,15 @@ SerialPort.list().then((ports, err) => {
   try {
     const { path, baudRate } = getSerialPortConstructorArguments(ports)
     const serialPort = new SerialPort(path, { baudRate })
-    const parser     = serialPort.pipe(new Readline({ delimiter: '\r\n' }))
-    parser.on('data', (data) => { sendMsg('NMEA', data) })
+
+    // const parser     = serialPort.pipe(new Readline({ delimiter: '\r\n' }))
+    const parser     = serialPort.pipe(new InterByteTimeout({interval: 30}))
+
+    NMEAHandler.on('handled' , (nmeaObj) => {
+      sendMsg('nmea', JSON.stringify(nmeaObj))
+    })
+
+    parser.on('data', (data) => NMEAHandler.handle(data.toString()))
   } catch (error) {
     console.error(error);
   }