Merge branch 'master' into phaser2

* master:
  rtio: support differential ttl
  RELEASE_NOTES: int(a, width=b) removal, use int32/64
  pc_rpc: use ProactorEventLoop on Windows (#627)

RELEASE_NOTES.rst

@@ -22,6 +22,7 @@ Release notes
 * The Pipistrello port now has exclusively TTLs.
 * The DDS class names and setup options have changed, this requires an update of
   the device database.
+* ``int(a, width=b)`` has been removed. Use ``int32(a)`` and ``int64(a)``.
 
 
 2.0

artiq/gateware/rtio/phy/ttl_serdes_7series.py

@@ -107,6 +107,7 @@ class Inout_8X(ttl_serdes_generic.Inout):
         self.submodules += serdes
         ttl_serdes_generic.Inout.__init__(self, serdes)
 
+
 class Input_8X(ttl_serdes_generic.Inout):
     def __init__(self, pad, pad_n=None):
         serdes = _ISERDESE2_8X(pad, pad_n)

artiq/protocols/pc_rpc.py

@@ -11,6 +11,7 @@ client passes a list as a parameter of an RPC method, and that method
 client's list.
 """
 
+import os
 import socket
 import asyncio
 import threading
@@ -592,7 +593,11 @@ def simple_server_loop(targets, host, port, description=None):
 
     See ``Server`` for a description of the parameters.
     """
-    loop = asyncio.get_event_loop()
+    if os.name == "nt":
+        loop = asyncio.ProactorEventLoop()
+        asyncio.set_event_loop(loop)
+    else:
+        loop = asyncio.get_event_loop()
     try:
         server = Server(targets, description, True)
         loop.run_until_complete(server.start(host, port))