2 files changed, 22 insertions, 0 deletions
diff --git a/gr-blocks/lib/pack_k_bits.cc b/gr-blocks/lib/pack_k_bits.cc
index d0123f5a09..ad6e78ae18 100644
--- a/gr-blocks/lib/pack_k_bits.cc
+++ b/gr-blocks/lib/pack_k_bits.cc
@@ -54,6 +54,17 @@ namespace gr {
         }
       }
 
+      void
+      pack_k_bits::pack_rev(unsigned char *bytes, const unsigned char *bits, int nbytes) const
+      {
+        for(int i = 0; i < nbytes; i++) {
+          bytes[i] = 0x00;
+          for(unsigned int j = 0; j < d_k; j++) {
+            bytes[i] |= (0x01 & bits[i*d_k+j])<<j;
+          }
+        }
+      }
+
     } /* namespace kernel */
   } /* namespace blocks */
 } /* namespace gr */
diff --git a/gr-blocks/lib/unpack_k_bits.cc b/gr-blocks/lib/unpack_k_bits.cc
index f274cf5b60..a9ae4dae11 100644
--- a/gr-blocks/lib/unpack_k_bits.cc
+++ b/gr-blocks/lib/unpack_k_bits.cc
@@ -55,6 +55,17 @@ namespace gr {
         }
       }
 
+      void
+      unpack_k_bits::unpack_rev(unsigned char *bits, const unsigned char *bytes, int nbytes) const
+      {
+        int n = 0;
+        for(int i = 0; i < nbytes; i++) {
+          unsigned int t = bytes[i];
+          for(int j = 0; j < d_k; j++)
+            bits[n++] = (t >> j) & 0x01;
+        }
+      }
+
       int
       unpack_k_bits::k() const
       {