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日期:2024-08-13
Read all data from Serial Port (Com1, RS232): How to read all the data from a serial port ... Hi, First of all don't double post... Now normally you would send a request to the device on your serial port and then it will return something....
vb.net - How to read serial port communication into buffer and parse out complete messages - Stack O
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日期:2024-08-18
I am using the following code to read values from a com port: Private port As New SerialPort("COM13", 9600, Parity.None, 8, StopBits.One) Private Sub port_DataReceived(ByVal sender As Object, ByV... ... You have to think of Serial Port communications as ....
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日期:2024-08-15
The serial port on our computers are with us for quite sometime now. It is more favored than the parallel port for interfacing with the outside world because it require lesser wires and can go farther distance and can even be used with newer technologies ...
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日期:2024-08-14
ReadTimeout = 10000 Catch ex As TimeoutException returnStr = "Error: Serial Port read timed out." Finally If com1 IsNot Nothing Then com1.Close() End Try....
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日期:2024-08-16
+1 - I would also suggest looking at the end of line character that the PCB is sending to make sure that it matches what the Serial port class expects in the ReadLine() function, although I agree with @Bobby that the event based model is the way to go....
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日期:2024-08-18
Probably not. ReadLine blocks a read until a vbCrLf (carriage return -- linefeed pair) are received. Unless your data is terminated this way, you would need to use Read. And... ReadLine is only appropriate for Text (ASCII data), not binary. To view data t...
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日期:2024-08-17
hey i've tried the code but i'm facing some problems all types of the read mathods (readline,read,...etc) throws a timeout exception. only ReadExisting works but it doesnt read the entire data sent, it sometimes reads a charecter, two or a collection but ...
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日期:2024-08-15
This article documents how to access serial ports by using the Visual Basic 2005 My.Computer.Ports object. ... Explore these great resources across Microsoft.com...