stabilize stlinkv2.py

2013-03-14 14:02:23 +09:00
parent 4abcddef93
commit 8870d58b69
1 changed files with 5 additions and 1 deletions
--- a/tool/stlinkv2.py
+++ b/tool/stlinkv2.py
@@ -474,7 +474,11 @@ class stlinkv2(object):
            self.run()
            s = self.get_status()
            if s != 0x0080:
-                raise ValueError("Status of core is not running.", s)
+                #                   DCB_DHCSR    DBGKEY
+                self.write_debug_reg(0xE000EDF0, 0xA05F0000)
+                s = self.get_status()
+                if s != 0x0080:
+                    raise ValueError("Status of core is not running.", s)
        mode = self.stl_mode()
        if mode != 2:
            raise ValueError("Failed to switch debug mode.", mode)