This example illustrates how to communicate with a serial port instrument by writing and reading text data. The instrument is a Tektronix TDS 210 two-channel oscilloscope connected to the COM1 port. Therefore, many of the following commands are specific to this instrument. Fwrite(obj,A) writes the binary data A to the device connected to the serial port object, obj. Fwrite(obj,A,'precision') writes binary data with precision specified by precision. Precision controls the number of bits written for each value and the interpretation of those bits as integer, floating-point, or character values. I am using Matlab to read data from a serial port coming through a microprocessor. The data is in hexadecimal format with each sample of 4 bytes(32 bits). When I read this data, I get some random sequence of numbers which don't match the transmitted data. Mar 04, 2015 Send data to Serial Port in MATLAB Its a quite simple project in which I am gonna send character over the serial port in MATLAB. In order to do so first of all, I am gonna create an object and assign it to serial port object in MATLAB.
This property is read-only.
Serial port for connection, returned as a string or character vector.
Example:
'COM1'
Data Types:
string
Communication speed in bits per second, returned as a positive integer double.
Matlab Serial Port Examples![]()
Example:
14400
Data Types:
single | double | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64
Parity to check whether data has been lost or written, returned as
'none' , 'even' , or 'odd' .
Example:
'odd'
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Data Types:
char | string
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