scmdspi(4) - NetBSD Manual Pages

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SCMDSPI(4)              NetBSD Kernel Interfaces Manual             SCMDSPI(4)


NAME
scmdspi -- SPI frontend to the Sparkfun Serial Controlled Motor Driver
SYNOPSIS
scmd* at spi? slave 0 scmd* at spi? slave 1
DESCRIPTION
The scmdspi driver provides the SPI frontend attachment for the Sparkfun SCMD device.
SYSCTL VARIABLES
The following sysctl(3) variables are inherited from scmd(4) : hw.scmd0.debug If the driver is compiled with SCMD_DEBUG, this node will appear and can be used to set the debugging level.
FILES
/dev/scmdu character device allowing access to the register space of a main u, SCMD device
SEE ALSO
iic(4), spi(4), scmdi2c(4), scmdspi(4), scmdctl(1), sysctl(8)
HISTORY
The scmdspi driver first appeared in NetBSD 10.0.
AUTHORS
The scmdspi driver was written by Brad Spencer <brad@anduin.eldar.org>.
BUGS
When used in SPI mode, the SCMD device uses an odd method of doing reads that can become stuck. See the command spi_read_one in the scmdctl(1) utility to try and unstick the device when this happens. NetBSD 10.99 December 1, 2021 NetBSD 10.99
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