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Linux Configuration

Device Drivers  --->
  [*] Staging drivers  --->
    <*>     Industrial I/O support  --->
        <*>   Analog Devices ad2s1210 driver

The device file path may looks like,

/sys/devices/platform/bfin-spi.0/spi0.3/iio/device0/ad2s1210>

There are two files:

File Name	Permission	Usage
raw_io	read/write	raw SPI read/write
reset	write only	soft reset
fclkin	read/write	show/store input clock
fexcit	read/write	show/store excitation clock
control	read/write	show/store control register
bits	read/write	show/store resolution
fault	read only	show fault register
pos	read only	10/12/14/16 bits unsigned angular value
vel	read only	10/12/14/16 bits signed velocity value
pos_vel	read only	10/12/14/16 bits unsigned angular and signed velocity value
los_thrd	read/write	show/store los threshold register
dos_ovr_thrd	read/write	show/store dos overange register
dos_mis_thrd	read/write	show/store dos mismatch register
dos_rst_max_thrd	read/write	show/store dos reset maximum register
dos_rst_min_thrd	read/write	show/store dos reset minimum register
lot_high_thrd	read/write	show/store lot high threshold
lot_low_thrd	read/write	show/store lot low threshold
description	read only	description about this chip