From RidgeRun Developer Connection
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| − | = SPI =
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| − | How do the devices communicate?
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| − | [[File:Timing-diagram-spi.png|400px|thumbnail|center|Timing diagram for SPI protocol.]]
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| − | == Useful tools ==
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| − | [https://github.com/rm-hull/spidev-test spidev test repo]
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| − | == Oscilloscope visualization ==
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| − | <syntaxhighlight lang=bash>
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| − | nvidia@ubuntu:~$ ./spidev_test -D /dev/spidev0.0 -b8 -v
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| − | spi mode: 0x0
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| − | bits per word: 8
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| − | max speed: 500000 Hz (500 KHz)
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| − | TX | 05 __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ | .
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| − | RX | FF __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
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| − | </syntaxhighlight>
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| − | [[File:Spi-5osc.png|400px|thumbnail|center|Timing diagram for number 5 in binary using SPI.]]
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Latest revision as of 09:13, 9 February 2023
