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diff --git a/software.tex b/software.tex
index e0e56b90fc72e4d1a05ee69df253b18a6be2864b..2d90e2c76842e138cde5751d1eddcadf884545ab 100755 (executable)
--- a/software.tex
+++ b/software.tex
@@ -361,6 +361,25 @@ RICH broadcast and I2C general call is used.
 \section{trbrichcmd}
 \label{software_trbrichcmd}
 
+\textbf{trbrichcmd} allows accessing some special features of the RICH ADCMv3.
+
+\paragraph*{trbrichcmd uid trb\_address}\\
+This command reads the UniqueIDs of the backplane and APV frontends connected 
+to one ADCM. As these IDs are not constantly updated by the FPGA, this command
+must be released twice. The first call will read the IDs from the 1Wire 
+chips, the second call will deliver the data read in the access before.
+
+\noindent Due to the long access times on 1Wire, and not to disturb frontend 
+operation, continously updating this information automatically is not possible.
+
+\noindent Failures on 1Wire readout (no presence pulse) are sensed; not 
+connected sensors are marked with dashes in the result list.
+
+\noindent The first 15 sensor IDs correlate to the APV frontends, the 16th ID
+is read from the backplane.
+
+\paragraph*{trbrichcmd }
+
 To be written~$\ldots$
 
 \section{trb\_flash}