autotest: added dump_logs.py

Tools/autotest/dump_logs.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python
+# dump flash logs from SITL
+# Andrew Tridgell, April 2013
+
+import pexpect, os, sys, shutil, atexit
+import optparse, fnmatch, time, glob, traceback, signal
+
+sys.path.insert(0, os.path.join(os.path.dirname(os.path.realpath(__file__)), 'pysim'))
+sys.path.insert(0, os.path.join(os.path.dirname(os.path.realpath(__file__)), '..', '..', '..', 'mavlink', 'pymavlink'))
+sys.path.insert(0, os.path.join(os.path.dirname(os.path.realpath(__file__)), '..', '..', '..', 'mavlink', 'pymavlink', 'generator'))
+import util
+
+os.environ['PYTHONUNBUFFERED'] = '1'
+
+os.putenv('TMPDIR', util.reltopdir('tmp'))
+
+def dump_logs(atype):
+    '''dump DataFlash logs'''
+    logfile = '%s.flashlog' % atype
+    print("Dumping logs for %s to %s" % (atype, logfile))
+    sil = util.start_SIL(atype)
+    log = open(logfile, mode='w')
+    mavproxy = util.start_MAVProxy_SIL(atype, setup=True, logfile=log)
+    mavproxy.send('\n\n\n')
+    print("navigating menus")
+    mavproxy.expect(']')
+    mavproxy.send("logs\n")
+    mavproxy.expect("logs enabled:")
+    lognums = []
+    i = mavproxy.expect(["No logs", "(\d+) logs"])
+    if i == 0:
+        numlogs = 0
+    else:
+        numlogs = int(mavproxy.match.group(1))
+    for i in range(numlogs):
+        mavproxy.expect("Log (\d+),")
+        lognums.append(int(mavproxy.match.group(1)))
+    mavproxy.expect("Log]")
+    for i in range(numlogs):
+        print("Dumping log %u (i=%u)" % (lognums[i], i))
+        mavproxy.send("dump %u\n" % lognums[i])
+        mavproxy.expect("logs enabled:", timeout=120)
+        mavproxy.expect("Log]")
+    util.pexpect_close(mavproxy)
+    util.pexpect_close(sil)
+    log.close()
+    print("Saved log for %s to %s" % (atype, logfile))
+    return True
+
+dump_logs('ArduCopter')
+