Chris and I have been investigating a device hang on a BB 8330. The
following patch is minimalist, should not affect the overall speed of
the library and limits the change to very low level code.
---------------------------------------------------------------------------
diff -Naur barry.orig/src/usbwrap.cc barry.patch/src/usbwrap.cc
--- barry.orig/src/usbwrap.cc 2009-02-27 01:54:00.000000000 +0000
+++ barry.patch/src/usbwrap.cc 2009-02-27 01:56:34.000000000 +0000
@@ -187,6 +187,11 @@
dout("usb_clear_halt(" << std::dec << m_handle << "," << std::dec <<
ep << ")");
int ret = usb_clear_halt(m_handle, ep);
m_lasterror = ret;
+
+ //Paul O'Keefe p...@megabelle.net 26-feb-2009
+ //Device may hang if commands sent immediately after this call.
+ //Add small sleep to allow device to settle before continuing
+ usleep(100000);
return ret >= 0;
}
diff -Naur barry.orig/src/usbwrap.h barry.patch/src/usbwrap.h
--- barry.orig/src/usbwrap.h 2009-02-27 01:54:00.000000000 +0000
+++ barry.patch/src/usbwrap.h 2009-02-27 01:55:04.000000000 +0000
@@ -29,6 +29,9 @@
#include <map>
#include "error.h"
+// Paul O'Keefe. p...@megabelle.net 26-feb-2009
+#include <unistd.h>
+
#define USBWRAP_DEFAULT_TIMEOUT 30000
namespace Barry { class Data; }
---------------------------------------------------------------------------
--
Paul O'Keefe <p...@megabelle.net>
VOIP: 1-770-250-5165
FindMe: 1-678-967-4103
------------------------------------------------------------------------------
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