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@@ -27,13 +27,13 @@ https://www.osadl.org/Create-a-latency-plot-from-cyclictest-hi.bash-script-for-l
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## Generation of a rectangle signal with the standard kernel
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-In order to make the previous results more visible, the generation of a square wave signal is very suitable. For this purpose, a GPIO of the Raspberry Pi can be monitored with an oscilloscope, which alternates between high and low levels in a defined time. This can be implemented very easily with the Python library RPi.GPIO, for example.
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+In order to make the previous results more visible, the generation of a rectangle signal is very suitable. For this purpose, a GPIO of the Raspberry Pi can be monitored with an oscilloscope, which alternates between high and low levels in a defined time. This can be implemented very easily with the Python library RPi.GPIO, for example.
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```
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sudo pip install RPi.GPIO
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```
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-Write a Python program that generates a square wave signal. Here you should see an effect on the oscilloscope with increasing frequencies.
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+Write a Python program that generates a rectangle signal. Here you should see an effect on the oscilloscope with increasing frequencies.
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## Installation of the real-time extension
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