Added new block which adapts stream of samples to GSM receiver's input requirements (integer multiply of 1625000/6 symbol rate, LP filtering)
diff --git a/grc/CMakeLists.txt b/grc/CMakeLists.txt
index 8ded6ca..ef06807 100644
--- a/grc/CMakeLists.txt
+++ b/grc/CMakeLists.txt
@@ -18,6 +18,7 @@
# Boston, MA 02110-1301, USA.
install(FILES
gsm_block_tree.xml
+ receiver/gsm_input.xml
receiver/gsm_receiver.xml
misc_utils/gsm_bursts_printer.xml
receiver/gsm_fcch_burst_tagger.xml
diff --git a/grc/receiver/gsm_input.xml b/grc/receiver/gsm_input.xml
new file mode 100644
index 0000000..df86a3f
--- /dev/null
+++ b/grc/receiver/gsm_input.xml
@@ -0,0 +1,64 @@
+<?xml version='1.0' encoding='ASCII'?>
+<block>
+ <name>GSM input adaptor</name>
+ <key>gsm_input</key>
+ <category></category>
+ <import>import gsm</import>
+ <make>gsm.gsm_input(
+ ppm=$ppm,
+ fc=$fc,
+ osr=$osr,
+ samp_rate_in=$samp_rate_in,
+)</make>
+ <callback>set_ppm($ppm)</callback>
+ <callback>set_fc($fc)</callback>
+ <callback>set_osr($osr)</callback>
+ <callback>set_samp_rate_in($samp_rate_in)</callback>
+ <param>
+ <name>ppm</name>
+ <key>ppm</key>
+ <value>0</value>
+ <type>raw</type>
+ <hide>part</hide>
+ </param>
+ <param>
+ <name>fc</name>
+ <key>fc</key>
+ <value>fc</value>
+ <type>raw</type>
+ <hide>part</hide>
+ </param>
+ <param>
+ <name>OSR</name>
+ <key>osr</key>
+ <value>4</value>
+ <type>raw</type>
+ <hide>part</hide>
+ </param>
+ <param>
+ <name>samp_rate_in</name>
+ <key>samp_rate_in</key>
+ <value>samp_rate</value>
+ <type>raw</type>
+ <hide>part</hide>
+ </param>
+ <sink>
+ <name>in</name>
+ <type>complex</type>
+ <vlen>1</vlen>
+ </sink>
+ <sink>
+ <name>ppm_in</name>
+ <type>message</type>
+ <optional>True</optional>
+ </sink>
+ <source>
+ <name>out</name>
+ <type>complex</type>
+ <vlen>1</vlen>
+ </source>
+ <doc>Piotr Krysik
+Adaptor of input stream for the GSM receiver. Contains frequency ofset corrector doing also resampling to integer multiplies of GSM sample rate and LP filter filtering GSM channel.
+/home/piotr/.grc_gnuradio/gsm_input.py</doc>
+ <grc_source>/home/piotr/Odbiornik_gsm/Dodanie_wielokanalowosci/demonstration (without data)/gsminput.grc</grc_source>
+</block>