add ev_log replay script

ev_replay.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python
+# -*- coding:utf-8 -*-
+
+import pprint
+import struct
+import argparse
+
+EV_LOG = "ev_double.log"
+EV_PIPE = "emu_event"
+
+def gen_ev_from_log_entry(line):
+    values = line.split("|")
+    return {
+        "time": {
+            "sec": int(values[3]),
+            "usec": int(values[4]),
+            },
+        "type": int(values[0]),
+        "code": int(values[1]),
+        "value": int(values[2]),
+        }
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("ev_log", type=str,
+            help="event log file to replay")
+    args = parser.parse_args()
+
+    # parse ev log into dictionaries
+    evs = [gen_ev_from_log_entry(line.strip())
+            for line in open(args.ev_log)]
+    #pprint.pprint(evs)
+
+    # replay evs
+    ev_pipe = open(EV_PIPE, "w")
+    for ev in evs:
+        #@TODO also simulate timing here  25.02 2013 (houqp)
+        ev_pipe.write(
+            struct.pack("llHHi", 
+                ev["time"]["sec"], ev["time"]["usec"],
+                ev["type"],
+                ev["code"],
+                ev["value"])
+            )
+
+
+