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Improve initialization

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This commit is contained in:
NIIBE Yutaka
2013-03-12 11:42:07 +09:00
parent 80e3cda267
commit cc185eabb5
1 changed files with 15 additions and 5 deletions
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20
tool/stlinkv2.py
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@@ -3,7 +3,7 @@
"""
stlinkv2.py - a tool to control ST-Link/V2
Copyright (C) 2012 Free Software Initiative of Japan
Copyright (C) 2012, 2013 Free Software Initiative of Japan
Author: NIIBE Yutaka <gniibe@fsij.org>
This file is a part of Gnuk, a GnuPG USB Token implementation.
@@ -165,10 +165,18 @@ class stlinkv2(object):
v = self.execute_get("\xf5\x00", 2)
return (v[1] * 256 + v[0])
def exit_from_debug_swd(self):
self.__devhandle.bulkWrite(self.__bulkout, "\xf2\x21", self.__timeout)
time.sleep(1)
def exit_from_dfu(self):
self.__devhandle.bulkWrite(self.__bulkout, "\xf3\x07", self.__timeout)
time.sleep(1)
def exit_from_debug_swim(self):
self.__devhandle.bulkWrite(self.__bulkout, "\xf4\x01", self.__timeout)
time.sleep(1)
def enter_swd(self):
self.__devhandle.bulkWrite(self.__bulkout, "\xf2\x20\xa3", self.__timeout)
time.sleep(1)
@@ -444,11 +452,13 @@ class stlinkv2(object):
def start(self):
mode = self.stl_mode()
if mode == 2:
return
elif mode != 1:
self.exit_from_debug_swd()
elif mode == 5:
self.exit_from_debug_swim()
elif mode != 1 and mode != 4:
self.exit_from_dfu()
mode = self.stl_mode()
print "Change ST-Link/V2 mode to: %04x" % mode
mode = self.stl_mode()
print "Change ST-Link/V2 mode to: %04x" % mode
self.enter_swd()
s = self.get_status()
if s != 0x0080: