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Add an example for displaying the manufacturer and size info from a

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standard spiflash chip.
This commit is contained in:
Ian Lepore 2018-06-23 23:08:25 +00:00
parent 95e390b666
commit 110d4e2df3
1 changed files with 6 additions and 0 deletions
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6
usr.sbin/spi/spi.8
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@ -191,6 +191,12 @@ as binary data, piped through
displaying it as two hexadecimal unsigned short integer values.
.Pp
echo "00 01" | spi -A -b -d rw -c 4 | od -t x2
.It
Query the manufacturer ID and size from a standard spiflash device, by
sending the command byte 0x9f and displaying the 3-byte reply in ASCII hex.
.Pp
spi -f spigen0.0 -m 0 -s 1000000 -d r -c 3 -A -C 9f
.El
.Pp
.Sh SEE ALSO