From: Sebastien Bourdeauducq <sebastien@milkymist.org>
Date: Fri, 16 Nov 2012 18:34:34 +0000 (+0100)
Subject: examples: basic Pytholite demo
X-Git-Tag: 24jan2021_ls180~2099^2~788
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7c7addbbe88d1fdef909df3003ea4bfb005aeb9e;p=litex.git

examples: basic Pytholite demo
---

diff --git a/examples/pytholite/basic.py b/examples/pytholite/basic.py
new file mode 100644
index 00000000..fa8ba9ba
--- /dev/null
+++ b/examples/pytholite/basic.py
@@ -0,0 +1,43 @@
+from migen.flow.network import *
+from migen.actorlib.sim import *
+from migen.pytholite.compiler import make_pytholite
+from migen.sim.generic import Simulator
+from migen.sim.icarus import Runner
+
+layout = [("r", BV(32))]
+
+def number_gen():
+	for i in range(10):
+		yield Token("result", {"r": i})
+
+class Dumper(SimActor):
+	def __init__(self):
+		def dumper_gen():
+			while True:
+				t = Token("result")
+				yield t
+				print(t.value["r"])
+		super().__init__(dumper_gen(),
+			("result", Sink, layout))
+
+def run_sim(ng):
+	g = DataFlowGraph()
+	d = Dumper()
+	g.add_connection(ActorNode(ng), ActorNode(d))
+	
+	c = CompositeActor(g)
+	fragment = c.get_fragment()
+	sim = Simulator(fragment, Runner())
+	sim.run(30)
+	del sim
+
+def main():
+	print("Simulating Pytholite:")
+	ng_pytholite = make_pytholite(number_gen, dataflow=[("result", Source, layout)])
+	run_sim(ng_pytholite)
+	
+	print("Simulating native Python:")
+	ng_native = SimActor(number_gen(), ("result", Source, layout))
+	run_sim(ng_native)
+
+main()