1SPI-CONFIG(1)                    User Commands                   SPI-CONFIG(1)
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NAME

6       spi-config - set or query SPI configuration.
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SYNOPSIS

9       spi-config options...
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DESCRIPTION

12       Set or query the configuration of a SPI port.
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14       -d, --device=DEVICE
15              use the given Linux spidev character device.
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17       -q, --query
18              print the current configuration.
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20       -m, --mode=[0-3]
21              set the spi mode (see SPI MODES below).
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23       -l, --lsb={0,1}
24              set LSB first (1) or MSB first (0).
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26       -b, --bits=[7...]
27              set the number of bits per word.
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29       -s, --speed=FREQUENCY
30              set clock frequency (in Hz).
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32       -h, --help
33              display the help screen and exit.
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35       -v, --version
36              display the version number and exit.
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39   SPI MODES
40       mode 0 low iddle level, sample on leading edge.
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42       mode 1 low iddle level, sample on trailing edge.
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44       mode 2 high iddle level, sample on leading edge.
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46       mode 3 high iddle level, sample on trailing edge.
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EXAMPLES

49       Get help:
50              $ spi-config -h
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52       Query current configuration:
53              $ spi-config --device=/dev/spidev0.0 -q
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55       Change clock frequency to 1 MHz:
56              $ spi-config --device=/dev/spidev0.0 --speed=1000000
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AUTHOR

59       Written by Christophe BLAESS <http://www.blaess.fr/christophe>.
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REPORTING BUGS

62       Github home page: <https://github.com/cpb-/spi-tools.git>
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65       Copyright © 2014 Christophe Blaess.
66       Licensed under GPLv2 <http://gnu.org/licenses/gpl.html>.
67       This is free software: you are free to change and redistribute it.
68       There is NO WARRANTY, to the extent permitted by law.
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72SPI-tools                         August 2014                    SPI-CONFIG(1)
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