update comments

[ieee754fpu.git] / src / add / example_buf_pipe.py

diff --git a/src/add/example_buf_pipe.py b/src/add/example_buf_pipe.py
index 92575a73629db95765d8c56d9a5be676735d0fba..4bb7cdf1e87fe6f929c7b17342df71924e467af8 100644 (file)
--- a/src/add/example_buf_pipe.py
+++ b/src/add/example_buf_pipe.py
@@ -1,16 +1,14 @@
-""" Pipeline and BufferedPipeline examples
+""" Pipeline and BufferedHandshake examples
 """
 
+from nmoperator import eq
+from iocontrol import (PrevControl, NextControl)
 from singlepipe import (PrevControl, NextControl, ControlBase,
                         StageCls, Stage, StageChain,
-                        BufferedPipeline, UnbufferedPipeline, eq)
+                        BufferedHandshake, UnbufferedPipeline)
 
-from nmigen import Signal, Cat, Const, Mux, Module
+from nmigen import Signal, Module
 from nmigen.cli import verilog, rtlil
-from nmigen.hdl.rec import Record, Layout
-
-from abc import ABCMeta, abstractmethod
-from collections.abc import Sequence
 
 
 class ExampleAddStage(StageCls):
@@ -34,13 +32,13 @@ class ExampleAddStage(StageCls):
         return i[0] + i[1]
 
 
-class ExampleBufPipeAdd(BufferedPipeline):
+class ExampleBufPipeAdd(BufferedHandshake):
     """ an example of how to use the buffered pipeline, using a class instance
     """
 
     def __init__(self):
         addstage = ExampleAddStage()
-        BufferedPipeline.__init__(self, addstage)
+        BufferedHandshake.__init__(self, addstage)
 
 
 class ExampleStage(Stage):
@@ -77,12 +75,12 @@ class ExampleStageCls(StageCls):
         return i + 1
 
 
-class ExampleBufPipe(BufferedPipeline):
+class ExampleBufPipe(BufferedHandshake):
     """ an example of how to use the buffered pipeline.
     """
 
     def __init__(self):
-        BufferedPipeline.__init__(self, ExampleStage)
+        BufferedHandshake.__init__(self, ExampleStage)
 
 
 class ExamplePipeline(UnbufferedPipeline):