Yocto for Raspberry Pi by Pierre-Jean Texier Petter Mabacker

Author:Pierre-Jean Texier,Petter Mabacker [Неизв.]
Language: eng
Format: epub, pdf
Publisher: Packt Publishing

Note

If you want more details about spi-config, you can visit https://github.com/cpb-/spi-tools/blob/master/src/spi-config.c.

spi-pipe

The spi-pipe program can send the data it receives from its standard input to the SPI MOSI line, while simultaneously displaying data received from the MISO SPI line on its standard output.

The general principle of operation is as follows:

$ <command-1> | spi-pipe [options] | <command-2>

For example, if we want to send some data to another SPI peripheral, we can use the following command:

$ printf "HELLO from R-pi" | spi-pipe -d /dev/spidev0.0 | hexdump -C

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