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--- resources:tools-software:linux-software:libiio:iio_reg [01 Oct 2018 21:14] – created Michael Hennerich
+++ resources:tools-software:linux-software:libiio:iio_reg [08 Oct 2021 21:43] (current) – add a finding devices Robin Getz
@@ Line 14: / Line 14: @@
 iio_reg <device> <register> [<value>]
 </xterm>
+===== Running Remote =====
+The ''iio_reg'' application can also connect to a libiio remote device via IP.
+Prior in running ''iio_reg'' set the ''IIOD_REMOTE'' environmental variable.
+<WRAP box bggreen><wrap info>This specifies any shell prompt running on the host or target</wrap>
+<xterm>
+> **export IIOD_REMOTE=IP address of the remote platform**
+</xterm>
+</WRAP>
+===== Finding  =====
+An IIO context can have multiple logical devices, and sometimes not all devices will have a specific register interface. To find out which IIO device support register access, try (remember that ''iio_attr'' supports a ''-D'' option to look for debug attributes).
+<xterm>
+# **iio_attr  -u ip:192.168.2.1 -D**
+IIO context has 4 devices:
+	iio:device0, ad9361-phy: found 179 debug attributes
+	iio:device1, xadc: found 0 debug attributes
+	iio:device2, cf-ad9361-dds-core-lpc: found 1 debug attributes
+	iio:device3, cf-ad9361-lpc: found 2 debug attributes
+# **iio_attr  -u ip:192.168.2.1 -D . direct_reg_access**
+dev 'ad9361-phy', debug attr 'direct_reg_access', value :'0x0'
+dev 'cf-ad9361-dds-core-lpc', debug attr 'direct_reg_access', value :'0x90162'
+dev 'cf-ad9361-lpc', debug attr 'direct_reg_access', value :'0x0'
+</xterm>
+From here you can see the three different devices that support the ''iio_reg'' tool.
 ===== Example =====

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