CPFSK implementation in gr-trellis

test_cpm.py.diff

diff --git a/gr-trellis/examples/python/test_cpm.py b/gr-trellis/examples/python/test_cpm.py
index 6fe25ec..4790860 100755
--- a/gr-trellis/examples/python/test_cpm.py
+++ b/gr-trellis/examples/python/test_cpm.py
@@ -34,29 +34,29 @@ def run_test(seed,blocksize):
        # Variables
        ##################################################
        M = 2
-       K = 1
-       P = 2
+       K = 25
+       P = 3
        h = (1.0*K)/P
-       L = 3
+       L = 1
        Q = 4
         frac = 0.99
         f = trellis.fsm(P,M,L)
 
         # CPFSK signals
-        #p = numpy.ones(L*Q)
-        #q = numpy.cumsum(p)
-        #q = q/q[-1]/2.0;
-
-        # GMSK signals
-        BT=0.3;
-        tt=numpy.arange(0,L*Q)/(1.0*Q)-L/2.0;
-        #print tt
-        p=(0.5*scipy.special.erfc(2*math.pi*BT*(tt-0.5)/math.sqrt(math.log(2.0))/math.sqrt(2.0))-0.5*scipy.special.erfc(2*math.pi*BT*(tt+0.5)/math.sqrt(math.log(2.0))/math.sqrt(2.0)))/2.0;
-        p=p/sum(p)*Q/2.0;
-        #print p
-        q=numpy.cumsum(p)/Q;
-        q=q/q[-1]/2.0;
-        #print q
+        p = numpy.ones(L*Q)
+        q = numpy.cumsum(p)
+        q = q/q[-1]/2.0;
+
+#        # GMSK signals
+#        BT=0.3;
+#        tt=numpy.arange(0,L*Q)/(1.0*Q)-L/2.0;
+#        #print tt
+#        p=(0.5*scipy.special.erfc(2*math.pi*BT*(tt-0.5)/math.sqrt(math.log(2.0))/math.sqrt(2.0))-0.5*scipy.special.erfc(2*math.pi*BT*(tt+0.5)/math.sqrt(math.log(2.0))/math.sqrt(2.0)))/2.0;
+#        p=p/sum(p)*Q/2.0;
+#        #print p
+#        q=numpy.cumsum(p)/Q;
+#        q=q/q[-1]/2.0;
+#        #print q
 
         (f0T,SS,S,F,Sf,Ff,N) = fsm_utils.make_cpm_signals(K,P,M,L,q,frac)
         #print N