2 files changed, 73 insertions, 0 deletions
diff --git a/gr-digital/grc/digital_block_tree.xml b/gr-digital/grc/digital_block_tree.xml
index 816df7f45..84151c190 100644
--- a/gr-digital/grc/digital_block_tree.xml
+++ b/gr-digital/grc/digital_block_tree.xml
@@ -49,6 +49,10 @@
 		<block>digital_psk_demod</block>
 		<block>digital_qam_mod</block>
 		<block>digital_qam_demod</block>
+		<block>digital_gmskmod_bc</block>
+		<block>digital_cpmmod_bc</block>
+		<block>digital_gmsk_mod</block>
+		<block>digital_gmsk_demod</block>
 	</cat>
 	<cat>
                 <name>OFDM</name>
diff --git a/gr-digital/grc/digital_cpmmod_bc.xml b/gr-digital/grc/digital_cpmmod_bc.xml
new file mode 100644
index 000000000..01174ef80
--- /dev/null
+++ b/gr-digital/grc/digital_cpmmod_bc.xml
@@ -0,0 +1,69 @@
+<?xml version="1.0"?>
+<!--
+###################################################
+## Continuous Phase Modulation
+###################################################
+ -->
+<block>
+	<name>Continuous Phase Modulation</name>
+	<key>digital_cpmmod_bc</key>
+	<import>from gnuradio import gr, digital</import>
+	<make>digital.cpmmod_bc($type, $mod_index, $samples_per_symbol, $L, $beta)</make>
+	<param>
+		<name>CPM Type</name>
+		<key>type</key>
+		<type>enum</type>
+		<option>
+			<name>L-REC (Rectangular phase response)</name>
+			<key>gr.cpm.LREC</key>
+		</option>
+		<option>
+			<name>L-RC (Raised Cosine)</name>
+			<key>gr.cpm.LRC</key>
+		</option>
+		<option>
+			<name>L-SRC (Spectral raised cosine)</name>
+			<key>gr.cpm.LSRC</key>
+		</option>
+		<option>
+			<name>TFM (Tamed frequency modulation)</name>
+			<key>gr.cpm.TFM</key>
+		</option>
+		<option>
+			<name>Gaussian</name>
+			<key>gr.cpm.GAUSSIAN</key>
+		</option>
+	</param>
+	<param>
+		<name>Modulation Index</name>
+		<key>mod_index</key>
+		<value>0.5</value>
+		<type>real</type>
+	</param>
+	<param>
+		<name>Samples/Symbol</name>
+		<key>samples_per_symbol</key>
+		<value>4</value>
+		<type>int</type>
+	</param>
+	<param>
+		<name>Pulse Duration (Symbols)</name>
+		<key>L</key>
+		<value>4</value>
+		<type>int</type>
+	</param>
+	<param>
+		<name>Phase Response Parameter (BT or Beta)</name>
+		<key>beta</key>
+		<value>0.3</value>
+		<type>real</type>
+	</param>
+	<sink>
+		<name>in</name>
+		<type>byte</type>
+	</sink>
+	<source>
+		<name>out</name>
+		<type>complex</type>
+	</source>
+</block>