test pattern file utility

op25/gr-op25_repeater/apps/tx/testpatterns/sources/make-bin.py

@@ -0,0 +1,25 @@
+#! /usr/bin/env python
+
+"""
+utility program to make binary symbol files
+
+reads source file (stdin); writes binary file to stdout
+
+"""
+
+import sys
+
+s = sys.stdin.read()
+s= s.replace(' ', '')
+s= s.replace('\n', '')
+s = s.strip()
+
+dibits = ''
+
+while s:
+	s0 = int(s[0], 16)
+	s = s[1:]
+	dibits += chr(s0>>2)
+	dibits += chr(s0&3)
+
+sys.stdout.write(dibits)