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Active1 month ago
I've read a lot of questions here about how to read data from serial ports using the .NET SerialPort class but none of the recommanded approaches have proven completely efficient for me.
Here is the code I am using for now:
Arduino Function Serial.read and Serial.readString: Serial monitor of Arduino is a very useful feature.Serial monitor is used to see receive data, send data,print data and so on.Serial monitor is connected to the Arduino through serial communication. This serial communication occurs using RX. I've read a lot of questions here about how to read data from serial ports using the.NET SerialPort class but none of the recommanded approaches have proven completely efficient for me. Here is the code I am using for now: SerialPort port = new SerialPort('COM1'); port.DataReceived += new SerialDataReceivedEventHandler(MyDataReceivedHandler). How to Read RS232 to Excel Macro VBA Data Acquisition. This tutorial explains how to establish a bidirectional real-time communication between Microsoft Excel and your RS232 COM Port devices like a Scale, Proximity reader, Barcode reader.
And the event handler:
But I am still missing some data sometimes. I've tried different way of reading the data in the event handler but with no luck.
As the .NET 4.5 brings new possibilities to do some asynchronous tasks, like with the ReadAsync method that seems to be useable on a SerialPort stream, I'm curious to see what would be the recommended approach to handle those cases.
Yannick BlondeauYannick Blondeau7,64155 gold badges3939 silver badges6565 bronze badges
3 Answers
Could you try something like this for example I think what you are wanting to utilize is the port.ReadExisting() Method
How To Read Serial Data From Oscilloscope
Or is you want to do it based on what you were trying to do , you can try this
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MethodManRead Serial Data Arduino
MethodMan16.2k66 gold badges2828 silver badges4949 bronze badges
I used similar code to @MethodMan but I had to keep track of the data the serial port was sending and look for a terminating character to know when the serial port was done sending data.
user1184321
How To Read Serial Data From Usb
Vimukthi SinethVimukthi Sineth