add JTAG module to test example

diff --git a/src/spec/testing_stage1.py b/src/spec/testing_stage1.py
index 74109dd68be20964eeb602440e49b7fee41a92c0..1f4e9e8c3698d62c4585f89bb448ff45b8f993e5 100644 (file)
--- a/src/spec/testing_stage1.py
+++ b/src/spec/testing_stage1.py
@@ -3,6 +3,7 @@ from nmigen.build.dsl import Resource, Subsignal, Pins
 from nmigen.build.plat import TemplatedPlatform
 from nmigen import Elaboratable, Signal, Module, Instance
 from collections import OrderedDict
 from nmigen.build.plat import TemplatedPlatform
 from nmigen import Elaboratable, Signal, Module, Instance
 from collections import OrderedDict

+from jtag import JTAG

 
 # Was thinking of using these functions, but skipped for simplicity for now
 # XXX nope.  the output from JSON file.
 
 # Was thinking of using these functions, but skipped for simplicity for now
 # XXX nope.  the output from JSON file.


@@ -95,10 +96,12 @@ def I2CResource(*args, scl, sda):
 # ridiculously-simple top-level module.  doesn't even have a sync domain
 # and can't have one until a clock has been established by DummyPlatform.
 class Blinker(Elaboratable):
 # ridiculously-simple top-level module.  doesn't even have a sync domain
 # and can't have one until a clock has been established by DummyPlatform.
 class Blinker(Elaboratable):

-    def __init__(self):
-        pass
+    def __init__(self, pinset):
+        self.jtag = JTAG(pinset, "sync")
+

     def elaborate(self, platform):
         m = Module()
     def elaborate(self, platform):
         m = Module()

+        m.submodules.jtag = self.jtag

         count = Signal(5)
         m.d.sync += count.eq(5)
         print ("resources", platform.resources.items())
         count = Signal(5)
         m.d.sync += count.eq(5)
         print ("resources", platform.resources.items())


@@ -216,5 +219,5 @@ resources = create_resources(pinset)
 print(pinset)
 print(resources)
 p = DummyPlatform (resources)
 print(pinset)
 print(resources)
 p = DummyPlatform (resources)

-p.build(Blinker())
+p.build(Blinker(pinset))