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--- resources:tools-software:linux-drivers:iio-dac:ad5770r [18 Jul 2018 14:55] – [Driver testing] Mircea Caprioru
+++ resources:tools-software:linux-drivers:iio-dac:ad5770r [07 Jan 2021 08:47] (current) – Fixed bad link for EVAL-AD5770R Ioana Chelaru
@@ Line 8: / Line 8: @@
 ===== Evaluation Boards =====
-  * [[adi>EVAL-AD5770SDZ]]
+  * [[adi>EVAL-AD5770R]]
 ===== Description =====
@@ Line 146: / Line 146: @@
 lrwxrwxrwx 1 root root    0 Jul 18 12:12 subsystem -> ../../../../../../../../bus/iio
 -rw-r--r-- 1 root root 4096 Jul 18 12:12 uevent
+</xterm></WRAP>
+=== Show device name ===
+<WRAP box bggreen><wrap info>This specifies any shell prompt running on the target</wrap>
+<xterm>
+pi@raspberrypi:/sys/bus/iio/devices/iio:device0 $ cat name
+ad5770r
+</xterm></WRAP>
+=== Show scale ===
+**Description:**\\
+/sys/bus/iio/devices/iio:deviceX/out_currentY_scale \\
+scale to be applied to out_currentY_raw in order to obtain the measured current in milliamps.
+<WRAP box bggreen><wrap info>This specifies any shell prompt running on the target</wrap>
+<xterm>
+root@raspberrypi:/sys/bus/iio/devices/iio:device0# cat out_current0_scale
+.018310546
+</xterm></WRAP>
+=== Set channel Y output current ===
+**Description:**\\
+/sys/bus/iio/devices/iio:deviceX/out_currentY_raw\\
+Raw (unscaled, no bias etc.) output current for
+channel Y.
+<WRAP box bggreen><wrap info>This specifies any shell prompt running on the target</wrap>
+<xterm>
+root@raspberrypi:/sys/bus/iio/devices/iio:device0# echo 5000 > out_current0_raw
+</xterm></WRAP>
+**I** = //out_current0_raw * out_current0_scale// = 5000 * 0,018310546 = **91,55273 //mA//**
+=== Enable power down mode for the device ===
+/sys/bus/iio/devices/iio:deviceX/out_currentY_powerdown
+**Description:**\\
+Writing 1 causes channel Y to enter power down mode. Clearing returns to
+normal operation.
+<WRAP box bggreen><wrap info>This specifies any shell prompt running on the target</wrap>
+<xterm>
+root@raspberrypi:/sys/bus/iio/devices/iio:device0# echo 1 > out_current0_powerdown
+root@raspberrypi:/sys/bus/iio/devices/iio:device0# cat out_current0_powerdown
+root@raspberrypi:/sys/bus/iio/devices/iio:device0# echo 0 > out_current0_powerdown
+root@raspberrypi:/sys/bus/iio/devices/iio:device0# cat out_current0_powerdown
+</xterm></WRAP>
+=== Show available filter frequencies ===
+/sys/bus/iio/devices/iio:deviceX/out_current_filter_low_pass_3db_frequency_available
+**Description:**\\
+Contains available filter frequencies.
+<WRAP box bggreen><wrap info>This specifies any shell prompt running on the target</wrap>
+<xterm>
+root@raspberrypi:/sys/bus/iio/devices/iio:device0# cat out_current_filter_low_pass_3db_frequency_available
+357 715 1400 2800 262000
+</xterm></WRAP>
+=== Set channel Y filter frequency ===
+/sys/bus/iio/devices/iio:deviceX/out_current0_filter_low_pass_3db_frequency
+**Description:**\\
+Write filter value to channel Y.
+<WRAP box bggreen><wrap info>This specifies any shell prompt running on the target</wrap>
+<xterm>
+root@raspberrypi:/sys/bus/iio/devices/iio:device0# cat out_current0_filter_low_pass_3db_frequency
+root@raspberrypi:/sys/bus/iio/devices/iio:device0# echo 1000 > out_current0_filter_low_pass_3db_frequency
+root@raspberrypi:/sys/bus/iio/devices/iio:device0# cat out_current0_filter_low_pass_3db_frequency
 </xterm></WRAP>
 ====== More Information ======
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