MATLAB Answers


RS232 on Speedgoat

Asked by Rafael Kübler on 17 Apr 2019
with a Speedgoat Baseline and Simulink Real-Time I want to get data from a ultrasoundsensor via a RS232 serial Port. The discription of the Sensor says:
"Set the microcontroller's serial port to use 9600 baud at 8-N-1 (eight data bits, no parity, one stop bit).
To start measuring the distance, output a 0x55 over the serial port and read back the two byte distance in high byte, low byte format. The distance returned is
measured in millimeters. Use the following formula to obtain the distance as millimeters:
Millimeters = FirstByteRead * 256 + SecondByteRead"
The data collection should be done once every second.
Now I'm not familliar with serial ports and the examples here on the MathWorks page don't get me further either.
Can anyone hlep me with the Simulink Real-Time model or give me a hint on what to read?
Thank you for your help.


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