view_waveform is updated

Author: shtaxxx

tests/Makefile

@@ -14,5 +14,5 @@ run:
 
 .PHONY: clean
 clean:
-	rm -rf *.pyc __pycache__ parsetab.py *.out .cache
+	rm -rf *.pyc __pycache__ parsetab.py *.out .cache tmp.v uut.vcd
 	find . -maxdepth 1 -type d |grep "./" | xargs -I {} make clean -C {}

tests/lib_simulation_/Makefile

@@ -14,5 +14,5 @@ run:
 
 .PHONY: clean
 clean:
-	rm -rf *.pyc __pycache__ parsetab.py *.out .cache
+	rm -rf *.pyc __pycache__ parsetab.py *.out .cache tmp.v uut.vcd
 	find . -maxdepth 1 -type d |grep "./" | xargs -I {} make clean -C {}

tests/lib_simulation_/simulator/lib_simulation_simulator.py

@@ -63,6 +63,12 @@ def mkTest():
     test = mkTest()
     verilog = test.to_verilog()
     print(verilog)
+
+    # run simulator (Icarus Verilog)
     sim = lib.simulation.Simulator(test)
-    rslt = sim.run()
+    rslt = sim.run() # display=False
+    #rslt = sim.run(display=True)
     print(rslt)
+
+    # launch waveform viewer (GTKwave)
+    #sim.view_waveform()

veriloggen/lib/simulation.py

@@ -151,10 +151,10 @@ def to_code(self):
                 code.append('\n')
         return ''.join(code)
 
-    def view_waveform(self, filename):
+    def view_waveform(self, filename='uut.vcd'):
         return self._view_waveform_gtkwave(filename)
 
-    def _view_waveform_gtkwave(self, filename):
+    def _view_waveform_gtkwave(self, filename='uut.vcd'):
         cmd = []
         cmd.append('gtkwave')
         cmd.append('--giga')