diff --git a/CMakeLists.txt b/CMakeLists.txt
index cb01a75..8163635 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,8 +1,8 @@
 PROJECT(libnfc C)
 CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
 SET(VERSION_MAJOR "1")
-SET(VERSION_MINOR "3")
-SET(VERSION_PATCH "4")
+SET(VERSION_MINOR "4")
+SET(VERSION_PATCH "0")
 
 SET(VERSION "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
 
@@ -11,9 +11,9 @@ SET(PACKAGE_VERSION ${VERSION})
 SET(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
 
 # config.h
-IF(NOT MSVC)
+IF(NOT WIN32)
   SET(_XOPEN_SOURCE 600)
-ENDIF(NOT MSVC)
+ENDIF(NOT WIN32)
 
 CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/config.h.cmake ${CMAKE_CURRENT_SOURCE_DIR}/config.h)
 ADD_DEFINITIONS("-DHAVE_CONFIG_H")
@@ -21,9 +21,9 @@ ADD_DEFINITIONS("-DHAVE_CONFIG_H")
 INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/include)
 
 # Win32
-IF(MSVC)
+IF(WIN32)
   INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/contrib/win32 ${CMAKE_CURRENT_SOURCE_DIR}/contrib/win32/stdint)
-ENDIF(MSVC)
+ENDIF(WIN32)
 
 # make it easy to locate CMake modules for finding libraries
 SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake_modules/")
@@ -66,7 +66,7 @@ ENDIF(CMAKE_COMPILER_IS_GNU_CC)
 # Workarounds for libusb in C99
 ADD_DEFINITIONS(-Du_int8_t=uint8_t -Du_int16_t=uint16_t)
 
-IF(NOT MSVC)
+IF(NOT WIN32)
   # Set some pkg-config variables
   SET(prefix ${CMAKE_INSTALL_PREFIX})
   SET(exec_prefix ${CMAKE_INSTALL_PREFIX})
@@ -81,18 +81,19 @@ IF(NOT MSVC)
   STRING(REPLACE ";" "," PKG_CONFIG_REQUIRES "${PKG_REQ}")
   CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/libnfc.pc.in ${CMAKE_CURRENT_BINARY_DIR}/libnfc.pc @ONLY) 
   INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/libnfc.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
-ENDIF(NOT MSVC)
+ENDIF(NOT WIN32)
 
 ADD_SUBDIRECTORY(libnfc)
 ADD_SUBDIRECTORY(include)
 ADD_SUBDIRECTORY(examples)
 
 # Binary Package
-IF(MSVC)
+IF(WIN32)
   SET(CPACK_GENERATOR "NSIS")
-ELSE(MSVC)
+ELSE(WIN32)
   SET(CPACK_GENERATOR "TBZ2")
-ENDIF(MSVC)
+ENDIF(WIN32)
+
 SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Near Field Communication (NFC) library")
 SET(CPACK_PACKAGE_VENDOR "Roel Verdult")
 SET(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/README")
@@ -104,21 +105,22 @@ SET(CPACK_PACKAGE_VERSION_PATCH ${VERSION_PATCH})
 SET(CPACK_COMPONENT_LIBRARIES_DISPLAY_NAME "NFC Library")
 SET(CPACK_COMPONENT_EXAMPLES_DISPLAY_NAME "Example Applications")
 SET(CPACK_COMPONENT_HEADERS_DISPLAY_NAME "Development Headers")
-IF(NOT MSVC)
+IF(NOT WIN32)
   SET(CPACK_COMPONENT_MANUALS_DISPLAY_NAME "Example Applications Manuals")
   SET(CPACK_COMPONENT_MANUALS_DISABLED TRUE)
   SET(CPACK_COMPONENT_MANUALS_DEPENDS examples)
-ENDIF(NOT MSVC)
+ENDIF(NOT WIN32)
 SET(CPACK_COMPONENT_HEADERS_DISABLED TRUE)
 SET(CPACK_COMPONENT_HEADERS_DEPENDS libraries)
 SET(CPACK_COMPONENT_EXAMPLES_DEPENDS libraries)
 
 # Source Package
-IF(MSVC)
+IF(WIN32)
   SET(CPACK_SOURCE_GENERATOR "ZIP")
-ELSE(MSVC)
+ELSE(WIN32)
   SET(CPACK_SOURCE_GENERATOR "ZIP;TBZ2")
-ENDIF(MSVC)
+ENDIF(WIN32)
+
 SET(CPACK_SOURCE_PACKAGE_FILE_NAME "libnfc-${VERSION}")
 SET(CPACK_SOURCE_IGNORE_FILES "~$" "/\\\\.svn/" "bin/")
 INCLUDE(CPack)
diff --git a/cmake_modules/FindLIBUSB.cmake b/cmake_modules/FindLIBUSB.cmake
index fb127cd..02ec7b9 100644
--- a/cmake_modules/FindLIBUSB.cmake
+++ b/cmake_modules/FindLIBUSB.cmake
@@ -25,25 +25,30 @@ IF(CMAKE_SYSTEM_NAME MATCHES FreeBSD)
 ENDIF(CMAKE_SYSTEM_NAME MATCHES FreeBSD)
 
 IF(NOT LIBUSB_FOUND)
-IF(MSVC)
+IF(WIN32)
   # Windows with Microsoft Visual C++
   FIND_PATH(LIBUSB_INCLUDE_DIRS usb.h "$ENV{ProgramFiles}/LibUSB-Win32/include")
-  IF(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x64")
-    # on x64 (win64)
-    FIND_LIBRARY(LIBUSB_LIBRARIES NAMES libusb PATHS "$ENV{ProgramFiles}/LibUSB-Win32/lib/msvc_x64")
-  ELSE(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x64")
-    # on x86 (win32)
-    FIND_LIBRARY(LIBUSB_LIBRARIES NAMES libusb PATHS "$ENV{ProgramFiles}/LibUSB-Win32/lib/msvc")
-  ENDIF(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x64")
-ELSE(MSVC)
-  # If not MS Visual Studio we use PkgConfig
+  IF(MSVC)
+    IF(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x64")
+      # on x64 (win64)
+      FIND_LIBRARY(LIBUSB_LIBRARIES NAMES libusb PATHS "$ENV{ProgramFiles}/LibUSB-Win32/lib/msvc_x64")
+    ELSE(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x64")
+      # on x86 (win32)
+      FIND_LIBRARY(LIBUSB_LIBRARIES NAMES libusb PATHS "$ENV{ProgramFiles}/LibUSB-Win32/lib/msvc")
+    ENDIF(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x64")
+  ENDIF(MSVC)
+  IF(MINGW)
+    FIND_LIBRARY(LIBUSB_LIBRARIES NAMES libusb PATHS "$ENV{ProgramFiles}/LibUSB-Win32/lib/gcc")
+  ENDIF(MINGW)
+ELSE(WIN32)
+  # If not under Windows we use PkgConfig
   FIND_PACKAGE (PkgConfig)
   IF(PKG_CONFIG_FOUND)
     PKG_CHECK_MODULES(LIBUSB REQUIRED libusb)
   ELSE(PKG_CONFIG_FOUND)
     MESSAGE(FATAL_ERROR "Could not find PkgConfig")
   ENDIF(PKG_CONFIG_FOUND)
-ENDIF(MSVC)
+ENDIF(WIN32)
 
 IF(LIBUSB_INCLUDE_DIRS AND LIBUSB_LIBRARIES)
    SET(LIBUSB_FOUND TRUE)
diff --git a/cmake_modules/FindPCSC.cmake b/cmake_modules/FindPCSC.cmake
index 73150af..300c9cf 100644
--- a/cmake_modules/FindPCSC.cmake
+++ b/cmake_modules/FindPCSC.cmake
@@ -1,41 +1,37 @@
-# This CMake script wants to use PC/SC functionality, therefore it looks 
-# for PC/SC include files and libraries. 
+# - Try to find the PC/SC smart card  library
+# Once done this will define
 #
-# Operating Systems Supported:
-# - Unix (requires pkg-config)
-#   Tested with Ubuntu 9.04 and Fedora 11
-# - Windows (requires MSVC)
-#   Tested with Windows XP
-#
-# This should work for both 32 bit and 64 bit systems.
+#  PCSC_FOUND - system has the PC/SC library
+#  PCSC_INCLUDE_DIRS - the PC/SC include directory
+#  PCSC_LIBRARIES - The libraries needed to use PC/SC
 #
 # Author: F. Kooman <fkooman@tuxed.net>
+# Version: 20101019
 #
 
-IF(MSVC)
-  # Windows with Microsoft Visual C++
-  FIND_PATH(PCSC_INCLUDE_DIRS WinSCard.h "$ENV{INCLUDE}")
-  FIND_LIBRARY(PCSC_LIBRARIES NAMES WinSCard PATHS "$ENV{LIB}")
-ELSE(MSVC)
-  # If not MS Visual Studio we use PkgConfig
-  FIND_PACKAGE (PkgConfig)
-  IF(PKG_CONFIG_FOUND)
-    PKG_CHECK_MODULES(PCSC REQUIRED libpcsclite)
-  ELSE(PKG_CONFIG_FOUND)
-    MESSAGE(FATAL_ERROR "Could not find PkgConfig")
-  ENDIF(PKG_CONFIG_FOUND)
-ENDIF(MSVC)
+FIND_PACKAGE (PkgConfig)
+IF(PKG_CONFIG_FOUND)
+    # Will find PC/SC library on Linux/BSDs using PkgConfig
+    PKG_CHECK_MODULES(PCSC libpcsclite)
+#   PKG_CHECK_MODULES(PCSC QUIET libpcsclite)   # IF CMake >= 2.8.2?
+ENDIF(PKG_CONFIG_FOUND)
 
-IF(PCSC_INCLUDE_DIRS AND PCSC_LIBRARIES)
-   SET(PCSC_FOUND TRUE)
-ENDIF(PCSC_INCLUDE_DIRS AND PCSC_LIBRARIES)
+IF(NOT PCSC_FOUND)
+   # Will find PC/SC headers both on Mac and Windows
+   FIND_PATH(PCSC_INCLUDE_DIRS WinSCard.h)
+   # PCSC library is for Mac, WinSCard library is for Windows
+   FIND_LIBRARY(PCSC_LIBRARIES NAMES PCSC WinSCard)
+   
+   IF(MINGW)
+     # MinGW32 with PCSC framework use Microsoft SDK's WinSCard.h
+     SET(PCSC_INCLUDE_DIRS)
+     SET(PCSC_INCLUDE_DIRS "$ENV{ProgramFiles}/Microsoft SDKs/Windows/v7.0/Include")
+   ENDIF(MINGW)
+ENDIF(NOT PCSC_FOUND)
 
-IF(PCSC_FOUND)
-  IF(NOT PCSC_FIND_QUIETLY)
-    MESSAGE(STATUS "Found PCSC: ${PCSC_LIBRARIES}")
-  ENDIF(NOT PCSC_FIND_QUIETLY)
-ELSE(PCSC_FOUND)
-  IF(PCSC_FIND_REQUIRED)
-    MESSAGE(FATAL_ERROR "Could not find PCSC")
-  ENDIF(PCSC_FIND_REQUIRED)
-ENDIF(PCSC_FOUND)
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(PCSC DEFAULT_MSG
+  PCSC_LIBRARIES
+  PCSC_INCLUDE_DIRS
+)
+MARK_AS_ADVANCED(PCSC_INCLUDE_DIRS PCSC_LIBRARIES)
diff --git a/configure.ac b/configure.ac
index 458fdb0..cdfea5c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,14 +20,22 @@ AC_LANG_C
 AC_PROG_CC
 AC_PROG_MAKE_SET
 
+WITH_POSIX_ONLY_EXAMPLES=1
 # Libtool
 AC_PROG_LIBTOOL
 case "$host" in
-   *-pc-linux-gnu)
-     AC_MSG_RESULT([Fixing libtool for -rpath problems.])
-     sed -i -r 's/(hardcode_into_libs)=.*$/\1=no/' libtool
+  *-pc-linux-gnu)
+    AC_MSG_RESULT([Fixing libtool for -rpath problems.])
+    sed -i -r 's/(hardcode_into_libs)=.*$/\1=no/' libtool
+  ;;
+  *-pc-mingw32msvc)
+    WITH_POSIX_ONLY_EXAMPLES=0
+    AC_MSG_RESULT([Disable extended examples due to target Windows system.])
+    # Undefine __STRICT_ANSI__ to allow to use strdup, putenv, etc. without warnings
+    CFLAGS="$CFLAGS -U__STRICT_ANSI__"
    ;;
 esac
+AM_CONDITIONAL(POSIX_ONLY_EXAMPLES_ENABLED, [test "$WITH_POSIX_ONLY_EXAMPLES" = "1"])
 
 AC_PATH_PROG(PKG_CONFIG, pkg-config)
 if test x"$PKG_CONFIG" = x""; then
@@ -44,7 +52,9 @@ AC_CHECK_FUNCS([memmove memset select strdup strerror strstr strtol usleep],
 AC_DEFINE(_NETBSD_SOURCE, 1, [Define on NetBSD to activate all library features])
 AC_DEFINE(_DARWIN_C_SOURCE, 1, [Define on Darwin to activate all library features])
 
-AC_FUNC_MALLOC
+# XXX malloc function should be tested
+# but it produces some error while cross-compiling with MinGW
+# AC_FUNC_MALLOC
 
 # Checks for types
 AC_TYPE_SIZE_T
diff --git a/contrib/win32/err.h b/contrib/win32/err.h
index 545d9e6..c9e15f1 100644
--- a/contrib/win32/err.h
+++ b/contrib/win32/err.h
@@ -3,9 +3,14 @@
 
 #include <stdlib.h>
 
-#define warnx(...) fprintf (stderr, __VA_ARGS__)
+#define warnx(...) do { \
+	fprintf (stderr, __VA_ARGS__); \
+	fprintf (stderr, "\n"); \
+} while (0)
+
 #define errx(code, ...) do { \
 	fprintf (stderr, __VA_ARGS__); \
+	fprintf (stderr, "\n"); \
 	exit (code); \
 } while (0)
 
diff --git a/contrib/windows.h b/contrib/windows.h
new file mode 100644
index 0000000..0fc35db
--- /dev/null
+++ b/contrib/windows.h
@@ -0,0 +1,35 @@
+/*-
+ * Public platform independent Near Field Communication (NFC) library
+ * 
+ * Copyright (C) 2010, Romuald Conty
+ * 
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+/** 
+ * @file windows.h
+ * @brief Provide some windows related hacks due to lack of POSIX compat
+ */
+
+#ifndef __WINDOWS_H__
+#define __WINDOWS_H__
+
+#  include <windows.h>
+#  if defined (__MINGW32__)
+#    define snprintf(S, n, F, ...) sprintf(S, F, __VA_ARGS__)
+#  else
+#    define snprintf sprintf_s
+#  endif
+
+#endif
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 946703a..e3d3f77 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -20,8 +20,8 @@ ENDFOREACH(source)
 TARGET_LINK_LIBRARIES(nfc-mfclassic mifare)
 TARGET_LINK_LIBRARIES(nfc-mfultralight mifare)
 
-IF(NOT MSVC)
+IF(NOT WIN32)
   # Manuals for the examples
   FILE(GLOB manuals "${CMAKE_CURRENT_SOURCE_DIR}/*.1")
   INSTALL(FILES ${manuals} DESTINATION ${SHARE_INSTALL_PREFIX}/man/man1 COMPONENT manuals)
-ENDIF(NOT MSVC)
+ENDIF(NOT WIN32)
diff --git a/examples/Makefile.am b/examples/Makefile.am
index 2cb0790..d566119 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -12,8 +12,12 @@ bin_PROGRAMS = \
 		nfc-relay \
 		nfc-relay-picc \
 		pn53x-diagnose \
-		pn53x-sam \
+		pn53x-sam
+
+if POSIX_ONLY_EXAMPLES_ENABLED
+bin_PROGRAMS += \
 		pn53x-tamashell
+endif
 
 # set the include path found by configure
 INCLUDES= $(all_includes) $(LIBNFC_CFLAGS)
diff --git a/examples/nfc-relay-picc.c b/examples/nfc-relay-picc.c
index 89791ad..dcb66cb 100644
--- a/examples/nfc-relay-picc.c
+++ b/examples/nfc-relay-picc.c
@@ -51,6 +51,7 @@
 #  define SUSP_TIME 1           // secs.
 #else
 // Needed by Sleep() under Windows
+#  include "../contrib/windows.h"
 #  include <winbase.h>
 #  define sleep Sleep
 #  define SUSP_TIME 1000        // msecs.
diff --git a/examples/pn53x-sam.c b/examples/pn53x-sam.c
index 7e89c58..847817a 100644
--- a/examples/pn53x-sam.c
+++ b/examples/pn53x-sam.c
@@ -37,6 +37,7 @@
 #  define SUSP_TIME 1           // secs.
 #else
 // Needed by Sleep() under Windows
+#  include "../contrib/windows.h"
 #  include <winbase.h>
 #  define sleep Sleep
 #  define SUSP_TIME 1000        // msecs.
diff --git a/libnfc/CMakeLists.txt b/libnfc/CMakeLists.txt
index d3b3553..d8f96c6 100644
--- a/libnfc/CMakeLists.txt
+++ b/libnfc/CMakeLists.txt
@@ -24,14 +24,14 @@ ADD_LIBRARY(nfc SHARED ${LIBRARY_SOURCES})
 TARGET_LINK_LIBRARIES(nfc ${LIBUSB_LIBRARIES} ${PCSC_LIBRARIES})
 SET_TARGET_PROPERTIES(nfc PROPERTIES SOVERSION 0)
 
-IF(MSVC)
+IF(WIN32)
   # On Windows the shared (runtime) library should be either in the same 
   # directory as the excutables or in the path, we add it to same directory
   INSTALL(TARGETS nfc RUNTIME DESTINATION bin COMPONENT libraries)
 
   # At compile time we need the .LIB file, we place it in the lib directory
   INSTALL(TARGETS nfc ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT headers)
-ELSE(MSVC)
+ELSE(WIN32)
   INSTALL(TARGETS nfc LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT libraries)
-ENDIF(MSVC)
+ENDIF(WIN32)
 
diff --git a/libnfc/buses/uart.c b/libnfc/buses/uart.c
index b48271e..d9ec57e 100644
--- a/libnfc/buses/uart.c
+++ b/libnfc/buses/uart.c
@@ -104,11 +104,13 @@ uart_open (const char *pcPortName)
 }
 
 // TODO Remove PN53x related timeout
-#define UART_TIMEOUT(X) ((X * 7) + 15000)     // 1-byte duration (µs) * 6+1 bytes (ACK + 1 other chance) + 15 ms (PN532 Tmax to reply ACK)
+#define UART_TIMEOUT(X) ((X * 7) + 15000)		// where X is 1-byte duration (µs): X * 6+1 bytes (PN53x's ACK + 1 other chance) + 15 ms (PN532 Tmax to reply ACK)
+// UART_SPEED_T0_TIME(X) convert baud rate to interval between 2 bytes (in us)
+#define UART_SPEED_T0_TIME(X) ((1000000 * 9)/ X)	// 8,n,1 => 9 bits => data rate ~= bauds/9 (bytes/s); ex: 8N1@9600 ~= 1066 bytes/s
 void
 uart_set_speed (serial_port sp, const uint32_t uiPortSpeed)
 {
-  long int iTimeout = UART_TIMEOUT(uiPortSpeed/9); // 8,n,1 => 9bits => ~ bauds/9
+  long int iTimeout = UART_TIMEOUT(UART_SPEED_T0_TIME(uiPortSpeed)); 
   DBG ("Serial port speed requested to be set to %d bauds (%ld µs).", uiPortSpeed, iTimeout);
   const serial_port_unix *spu = (serial_port_unix *) sp;
 
@@ -351,11 +353,11 @@ uart_open (const char *pcPortName)
     return INVALID_SERIAL_PORT;
   }
 
-  sp->ct.ReadIntervalTimeout = 0;
+  sp->ct.ReadIntervalTimeout = 30;
   sp->ct.ReadTotalTimeoutMultiplier = 0;
   sp->ct.ReadTotalTimeoutConstant = 30;
-  sp->ct.WriteTotalTimeoutMultiplier = 0;
-  sp->ct.WriteTotalTimeoutConstant = 30;
+  sp->ct.WriteTotalTimeoutMultiplier = 30;
+  sp->ct.WriteTotalTimeoutConstant = 0;
 
   if (!SetCommTimeouts (sp->hPort, &sp->ct)) {
     uart_close (sp);
@@ -376,6 +378,7 @@ uart_close (const serial_port sp)
   free (sp);
 }
 
+// TODO Remove PN53x related timeout
 void
 uart_set_speed (serial_port sp, const uint32_t uiPortSpeed)
 {
@@ -393,16 +396,32 @@ uart_set_speed (serial_port sp, const uint32_t uiPortSpeed)
   case 460800:
     break;
   default:
-    ERR
-      ("Unable to set serial port speed to %d bauds. Speed value must be one of these constants: 9600 (default), 19200, 38400, 57600, 115200, 230400 or 460800.",
-       uiPortSpeed);
+    ERR("Unable to set serial port speed to %d bauds. Speed value must be one of these constants: 9600 (default), 19200, 38400, 57600, 115200, 230400 or 460800.", uiPortSpeed);
+    return;
   };
-
   spw = (serial_port_windows *) sp;
+
+  // Set timeouts
+  //printf ("UART_SPEED_T0_TIME (%d) = %d\n", uiPortSpeed, UART_SPEED_T0_TIME(uiPortSpeed));
+  int iTimeout = 200;
+  spw->ct.ReadIntervalTimeout = 2;
+  spw->ct.ReadTotalTimeoutMultiplier = 0;
+  spw->ct.ReadTotalTimeoutConstant = iTimeout;
+  spw->ct.WriteTotalTimeoutMultiplier = iTimeout;
+  spw->ct.WriteTotalTimeoutConstant = 0;
+
+  if (!SetCommTimeouts (spw->hPort, &spw->ct)) {
+    ERR ("Unable to apply new timeout settings.");
+    return;
+  }
+
+  // Set baud rate
   spw->dcb.BaudRate = uiPortSpeed;
   if (!SetCommState (spw->hPort, &spw->dcb)) {
     ERR ("Unable to apply new speed settings.");
+    return;
   }
+  PurgeComm (spw->hPort, PURGE_RXABORT | PURGE_RXCLEAR);
 }
 
 uint32_t
@@ -418,7 +437,7 @@ uart_get_speed (const serial_port sp)
 int
 uart_receive (serial_port sp, byte_t * pbtRx, size_t * pszRx)
 {
-  if (!ReadFile (((serial_port_windows *) sp)->hPort, pbtRx, *pszRx, (LPDWORD) pszRx, NULL)) {
+  if (!ReadFile (((serial_port_windows *) sp)->hPort, pbtRx, (DWORD)(*pszRx), (LPDWORD) pszRx, NULL)) {
     return DEIO;
   }
   if (!*pszRx)
diff --git a/libnfc/chips/pn53x.c b/libnfc/chips/pn53x.c
index fd01874..8a80a43 100644
--- a/libnfc/chips/pn53x.c
+++ b/libnfc/chips/pn53x.c
@@ -39,10 +39,7 @@
 #include "../mirror-subr.h"
 
 #ifdef _WIN32
-#  include <windows.h>
-
-#  define strdup _strdup
-#  define snprintf sprintf_s
+#  include "../../contrib/windows.h"
 #endif
 
 #define MAX(a,b) (((a) > (b)) ? (a) : (b))
diff --git a/libnfc/drivers/arygon.c b/libnfc/drivers/arygon.c
index a395b68..e1d2881 100644
--- a/libnfc/drivers/arygon.c
+++ b/libnfc/drivers/arygon.c
@@ -297,7 +297,7 @@ arygon_firmware (const nfc_device_spec_t nds, char * str)
 {
   const byte_t arygon_firmware_version_cmd[] = { DEV_ARYGON_PROTOCOL_ARYGON_ASCII, 'a', 'v' }; 
   byte_t abtRx[BUFFER_LENGTH];
-  size_t szRx;
+  size_t szRx = BUFFER_LENGTH;
   int res;
 
 #ifdef DEBUG
@@ -307,6 +307,7 @@ arygon_firmware (const nfc_device_spec_t nds, char * str)
 
   res = uart_receive ((serial_port) nds, abtRx, &szRx);
   if (res != 0) {
+    DBG ("Unable to retrieve ARYGON firmware version.");
     return;
   }
 #ifdef DEBUG
@@ -315,10 +316,9 @@ arygon_firmware (const nfc_device_spec_t nds, char * str)
   if ( 0 == memcmp (abtRx, arygon_error_none, 6)) {
     byte_t * p = abtRx + 6;
     unsigned int szData;
-    sscanf (p, "%02x%s", &szData, p);
+    sscanf ((const char*)p, "%02x%s", &szData, p);
     memcpy (str, p, szData);
-    p += szData;
-    *p = '\0';
+    *(str + szData) = '\0';
   }
 }
 
@@ -327,7 +327,7 @@ arygon_reset_tama (const nfc_device_spec_t nds)
 {
   const byte_t arygon_reset_tama_cmd[] = { DEV_ARYGON_PROTOCOL_ARYGON_ASCII, 'a', 'r' };
   byte_t abtRx[BUFFER_LENGTH];
-  size_t szRx;
+  size_t szRx = BUFFER_LENGTH;
   int res;
 
   // Sometimes the first byte we send is not well-transmited (ie. a previously sent data on a wrong baud rate can put some junk in buffer)
@@ -340,6 +340,7 @@ arygon_reset_tama (const nfc_device_spec_t nds)
   // or arygon_error_unknown_mode (ie. in case of the first byte was bad-transmitted)
   res = uart_receive ((serial_port) nds, abtRx, &szRx);
   if (res != 0) {
+    DBG ("No reply to 'reset TAMA' command.");
     return false;
   }
 #ifdef DEBUG
diff --git a/libnfc/drivers/pn532_uart.c b/libnfc/drivers/pn532_uart.c
index 0b1f435..f0e469b 100644
--- a/libnfc/drivers/pn532_uart.c
+++ b/libnfc/drivers/pn532_uart.c
@@ -102,8 +102,6 @@ pn532_uart_list_devices (nfc_device_desc_t pnddDevices[], size_t szDevices, size
       bool    bComOk;
       // Serial port claimed but we need to check if a PN532_UART is connected.
       uart_set_speed (sp, SERIAL_DEFAULT_PORT_SPEED);
-      // Send ACK frame to cancel a previous command
-      pn532_uart_ack ((nfc_device_spec_t) sp);
       // PN532 could be powered down, we need to wake it up before line testing.
       pn532_uart_wakeup ((nfc_device_spec_t) sp);
       // Check communication using "Diagnose" command, with "Communication test" (0x00)
@@ -156,8 +154,6 @@ pn532_uart_connect (const nfc_device_desc_t * pndd)
 
   uart_set_speed (sp, pndd->uiSpeed);
 
-  // Send ACK frame to cancel a previous command
-  pn532_uart_ack ((nfc_device_spec_t) sp);
   // PN532 could be powered down, we need to wake it up before line testing.
   pn532_uart_wakeup ((nfc_device_spec_t) sp);
   // Check communication using "Diagnose" command, with "Communication test" (0x00)
@@ -292,13 +288,14 @@ void
 pn532_uart_wakeup (const nfc_device_spec_t nds)
 {
   byte_t  abtRx[BUFFER_LENGTH];
-  size_t  szRx;
+  size_t  szRx = BUFFER_LENGTH;
   /** PN532C106 wakeup. */
   /** High Speed Unit (HSU) wake up consist to send 0x55 and wait a "long" delay for PN532 being wakeup. */
   /** After the preamble we request the PN532C106 chip to switch to "normal" mode (SAM is not used) */
-  const byte_t pncmd_pn532c106_wakeup_preamble[] =
-    { 0x55, 0x55, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x03, 0xfd, 0xd4, 0x14, 0x01, 0x17, 0x00, 0x00, 0xff, 0x03, 0xfd,
-0xd4, 0x14, 0x01, 0x17, 0x00 };
+  const byte_t pncmd_pn532c106_wakeup_preamble[] = 
+    { 0x55, 0x55, 0x00, 0x00, 0x00, 
+      0x00, 0x00, 0xff, 0x03, 0xfd, 0xd4, 0x14, 0x01, 0x17,  // XXX: WTF this command is sent twice?
+      0x00, 0x00, 0xff, 0x03, 0xfd, 0xd4, 0x14, 0x01, 0x17, 0x00 };
 #ifdef DEBUG
   PRINT_HEX ("TX", pncmd_pn532c106_wakeup_preamble, sizeof (pncmd_pn532c106_wakeup_preamble));
 #endif
@@ -307,6 +304,8 @@ pn532_uart_wakeup (const nfc_device_spec_t nds)
 #ifdef DEBUG
     PRINT_HEX ("RX", abtRx, szRx);
 #endif
+  } else {
+    ERR ("Unable to wakeup the PN532.");
   }
 }
 
@@ -314,7 +313,7 @@ bool
 pn532_uart_check_communication (const nfc_device_spec_t nds, bool * success)
 {
   byte_t  abtRx[BUFFER_LENGTH];
-  size_t  szRx;
+  size_t  szRx = BUFFER_LENGTH;
   const byte_t attempted_result[] =
     { 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0xff, 0x09, 0xf7, 0xD5, 0x01, 0x00, 'l', 'i', 'b', 'n', 'f', 'c',
 0xbc, 0x00 };
diff --git a/libnfc/nfc.c b/libnfc/nfc.c
index e4f400b..f7d1063 100644
--- a/libnfc/nfc.c
+++ b/libnfc/nfc.c
@@ -35,9 +35,7 @@
 #include <nfc/nfc.h>
 
 #ifdef _WIN32
-#  include <windows.h>
-
-#  define snprintf sprintf_s
+#  include "../contrib/windows.h"
 #endif
 
 #include "chips.h"
diff --git a/m4/libnfc_check_libusb.m4 b/m4/libnfc_check_libusb.m4
index fcece46..4eff2f4 100644
--- a/m4/libnfc_check_libusb.m4
+++ b/m4/libnfc_check_libusb.m4
@@ -6,15 +6,30 @@ AC_DEFUN([LIBNFC_CHECK_LIBUSB],
 [
   if test x"$libusb_required" = "xyes"; then
     HAVE_LIBUSB=0
-  
+
+    AC_ARG_WITH([libusb-win32],
+        [AS_HELP_STRING([--with-libusb-win32], [use libusb-win32 from the following location])],
+        [LIBUSB_WIN32_DIR=$withval],
+        [LIBUSBWIN32_DIR=""])
+
+    # --with-libusb-win32 directory have been set
+    if test "x$LIBUSB_WIN32_DIR" != "x"; then
+      AC_MSG_NOTICE(["use libusb-win32 from $LIBUSB_WIN32_DIR"])
+      libusb_CFLAGS="-I$LIBUSB_WIN32_DIR/include"
+      libusb_LIBS="-L$LIBUSB_WIN32_DIR/lib/gcc -lusb"
+      HAVE_LIBUSB=1
+    fi
+
     # Search using pkg-config
-    if test x"$PKG_CONFIG" != "x"; then
-      PKG_CHECK_MODULES([libusb], [libusb], [HAVE_LIBUSB=1], [HAVE_LIBUSB=0])
-      if test x"$HAVE_LIBUSB" = "x1"; then
-        if test x"$PKG_CONFIG_REQUIRES" != x""; then
-          PKG_CONFIG_REQUIRES="$PKG_CONFIG_REQUIRES,"
+    if test x"$HAVE_LIBUSB" = "x0"; then  
+      if test x"$PKG_CONFIG" != "x"; then
+        PKG_CHECK_MODULES([libusb], [libusb], [HAVE_LIBUSB=1], [HAVE_LIBUSB=0])
+        if test x"$HAVE_LIBUSB" = "x1"; then
+          if test x"$PKG_CONFIG_REQUIRES" != x""; then
+            PKG_CONFIG_REQUIRES="$PKG_CONFIG_REQUIRES,"
+          fi
+          PKG_CONFIG_REQUIRES="$PKG_CONFIG_REQUIRES libusb"
         fi
-        PKG_CONFIG_REQUIRES="$PKG_CONFIG_REQUIRES libusb"
       fi
     fi
 
diff --git a/m4/libnfc_check_pcsc.m4 b/m4/libnfc_check_pcsc.m4
index 96c2ece..2dafa71 100644
--- a/m4/libnfc_check_pcsc.m4
+++ b/m4/libnfc_check_pcsc.m4
@@ -22,6 +22,11 @@ AC_DEFUN([LIBNFC_CHECK_PCSC],
           AC_MSG_RESULT(yes: darwin PC/SC framework)
         fi
       ;;
+      *mingw*)
+        dnl FIXME Find a way to cross-compile for Windows
+        HAVE_PCSC=0
+        AC_MSG_RESULT(no: Windows PC/SC framework)
+      ;;
       *)
         if test x"$HAVE_PCSC" = "x0" ; then
           AC_MSG_ERROR([libpcsclite is mandatory.])
diff --git a/mingw-cross-configure.sh b/mingw-cross-configure.sh
new file mode 100644
index 0000000..255156f
--- /dev/null
+++ b/mingw-cross-configure.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+
+WITH_USB=0
+
+LIBUSB_WIN32_BIN_VERSION="1.2.2.0"
+LIBUSB_WIN32_BIN_ARCHIVE="libusb-win32-bin-$LIBUSB_WIN32_BIN_VERSION.zip"
+LIBUSB_WIN32_BIN_URL="http://freefr.dl.sourceforge.net/project/libusb-win32/libusb-win32-releases/$LIBUSB_WIN32_BIN_VERSION/$LIBUSB_WIN32_BIN_ARCHIVE"
+LIBUSB_WIN32_BIN_DIR="libusb-win32-bin-$LIBUSB_WIN32_BIN_VERSION"
+
+if [ "$WITH_USB" = "1" ]; then
+  if [ ! -d $LIBUSB_WIN32_BIN_DIR ]; then
+    wget -c $LIBUSB_WIN32_BIN_URL
+    unzip $LIBUSB_WIN32_BIN_ARCHIVE
+  fi
+fi
+
+MINGW_DIR="/usr/i586-mingw32msvc"
+
+# Use MinGW binaries before others
+#export PATH=$MINGW_DIR/bin:$PATH
+
+# Set CPATH to MinGW include files
+export CPATH=$MINGW_DIR/include
+export LD_LIBRARY_PATH=$MINGW_DIR/lib
+export LD_RUN_PATH=$MINGW_DIR/lib
+
+# Force pkg-config to search in cross environement directory
+export PKG_CONFIG_LIBDIR=$MINGW_DIR/lib/pkgconfig
+
+# Stop compilation on first error
+export CFLAGS="-Wfatal-errors"
+
+# Include default MinGW include directory, and libnfc's win32 files
+export CFLAGS="$CFLAGS -I$MINGW_DIR/include -I$PWD/contrib/win32"
+
+## Configure to cross-compile using mingw32msvc
+if [ "$WITH_USB" = "1" ]; then
+  # with direct-USB drivers (use libusb-win32)
+  ./configure --target=i586-mingw32msvc --host=i586-mingw32msvc --with-drivers=pn531_usb,pn533_usb,pn532_uart,arygon --with-libusb-win32=$PWD/$LIBUSB_WIN32_BIN_DIR $*
+else
+  # with UART divers only (can be tested under wine)
+  ./configure --target=i586-mingw32msvc --host=i586-mingw32msvc --with-drivers=pn532_uart,arygon $*
+fi