1 files changed, 54 insertions, 0 deletions
diff --git a/gr-channels/python/channels/quantizer.py b/gr-channels/python/channels/quantizer.py
new file mode 100644
index 0000000000..a3d918c7c2
--- /dev/null
+++ b/gr-channels/python/channels/quantizer.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python
+##################################################
+# Gnuradio Python Flow Graph
+# Title: Quantizer
+# Generated: Thu Aug  1 11:09:51 2013
+##################################################
+
+from gnuradio import blocks
+from gnuradio import gr
+from gnuradio.filter import firdes
+
+class quantizer(gr.hier_block2):
+
+    def __init__(self, bits=16):
+        gr.hier_block2.__init__(
+            self, "Quantizer",
+            gr.io_signature(1, 1, gr.sizeof_float*1),
+            gr.io_signature(1, 1, gr.sizeof_float*1),
+        )
+
+        ##################################################
+        # Parameters
+        ##################################################
+        self.bits = bits
+
+        ##################################################
+        # Blocks
+        ##################################################
+        self.blocks_short_to_float_0 = blocks.short_to_float(1, 1)
+        self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((1.0/pow(2.0,bits-1.0), ))
+        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((pow(2,bits-1.0), ))
+        self.blocks_float_to_short_0 = blocks.float_to_short(1, 1)
+
+        ##################################################
+        # Connections
+        ##################################################
+        self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self, 0))
+        self.connect((self.blocks_short_to_float_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
+        self.connect((self.blocks_float_to_short_0, 0), (self.blocks_short_to_float_0, 0))
+        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_float_to_short_0, 0))
+        self.connect((self, 0), (self.blocks_multiply_const_vxx_0, 0))
+
+
+# QT sink close method reimplementation
+
+    def get_bits(self):
+        return self.bits
+
+    def set_bits(self, bits):
+        self.bits = bits
+        self.blocks_multiply_const_vxx_0_0.set_k((1.0/pow(2.0,self.bits-1.0), ))
+        self.blocks_multiply_const_vxx_0.set_k((pow(2,self.bits-1.0), ))
+
+