Add files for windows build.

Makefile-mingw

@@ -0,0 +1,39 @@
+CC		= gcc
+
+VERSION         = 0.3
+GITCOUNT        = $(shell git rev-list HEAD --count)
+CFLAGS		= -g -O -Wall -Werror -DVERSION='"$(VERSION).$(GITCOUNT)"' -Ilibusb-win32
+LDFLAGS		= -g -s
+
+OBJS		= main.o util.o radio.o dfu.o uv380.o md380.o
+LIBS            = -Llibusb-win32 -lusb-1.0
+
+# Compiling Windows binary from Linux
+ifeq (/usr/bin/i586-mingw32msvc-gcc,$(wildcard /usr/bin/i586-mingw32msvc-gcc))
+    CC          = i586-mingw32msvc-gcc
+endif
+ifeq (/usr/bin/i686-w64-mingw32-gcc,$(wildcard /usr/bin/i686-w64-mingw32-gcc))
+    CC          = i686-w64-mingw32-gcc
+endif
+ifeq (/usr/bin/i686-w64-mingw32-gcc-win32,$(wildcard /usr/bin/i686-w64-mingw32-gcc-win32))
+    CC          = i686-w64-mingw32-gcc-win32
+endif
+
+all:		dmrconfig.exe
+
+dmrconfig.exe:	$(OBJS)
+		$(CC) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
+
+clean:
+		rm -f *~ *.o core dmrconfig
+
+install:	dmrconfig
+		install -c -s dmrconfig /usr/local/bin/dmrconfig
+
+###
+dfu.o: dfu.c util.h
+main.o: main.c radio.h util.h
+md380.o: md380.c radio.h util.h
+radio.o: radio.c radio.h util.h
+util.o: util.c util.h
+uv380.o: uv380.c radio.h util.h