* Move usb-dev related code to devices.c from main.c

* Create a root Makefile to build the flasher, logotool and install
* Clean some warning messages

logotool/logotool.c

@@ -32,6 +32,7 @@
 
 int uncompress_image(char *srcf, char *dstf);
 int compress_image(char *srcf, char *dstf, int w, int h);
+int rgb2yuv(char *from, char *to, int width, int height);
 
 static int show_usage()
 {