tb/asmicon: concurrent reads and writes

tb/asmicon/asmicon.py

@@ -7,25 +7,33 @@ from milkymist.asmicon import *
 
 from common import sdram_phy, sdram_geom, sdram_timing, DFILogger
 
-def my_generator():
-	for x in range(100):
+def my_generator_r():
+	for x in range(50):
 		t = TRead(x)
 		yield t
+	print("reads done")
+
+def my_generator_w():
+	for x in range(50):
+		t = TWrite(x, x)
+		yield t
+	print("writes done")
 
 def main():
 	dut = ASMIcon(sdram_phy, sdram_geom, sdram_timing)
-	initiator = Initiator(dut.hub.get_port(), my_generator())
+	initiator1 = Initiator(dut.hub.get_port(), my_generator_r())
+	initiator2 = Initiator(dut.hub.get_port(), my_generator_w())
 	dut.finalize()
 	
 	logger = DFILogger(dut.dfi)
 	
 	def end_simulation(s):
-		s.interrupt = initiator.done
+		s.interrupt = initiator1.done and initiator2.done
 	
-	fragment = dut.get_fragment() + initiator.get_fragment() + \
+	fragment = dut.get_fragment() + initiator1.get_fragment() + initiator2.get_fragment() + \
 		logger.get_fragment() + \
 		Fragment(sim=[end_simulation])
 	sim = Simulator(fragment, Runner(), TopLevel("my.vcd"))
-	sim.run()
+	sim.run(700)
 
 main()