Serial Data via COM-Port to Simulink

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Markus Wiebe
Markus Wiebe 2018-11-12
编辑： Walter Roberson 2018-11-15
Hi, I want to import serial data via COM-Port (NMEA data from GPS receiver) to simulink and work with the data in real time.
I tried that with the "Query Instrument"-Block but the Problem is, that every line of the NMEA data starts with, for example: $GPRMC... and i did not found out how I can work with non-numeric data.
Any ideas how to insert serial data to simulink and get the values of a particular line from the data? Thanks in advance.

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Walter Roberson
Walter Roberson 2018-11-15
编辑：Walter Roberson 2018-11-15
Read the data as bytes . If you need to compare within a Simulink block then compare to the ascii position number for each character . 65 for A, 66 for B and so on. $ is 36

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