Alan Cox wrote: >> But, in addition to sending keystroke output you can send a usb control >> message to change the backlight color and an interrupt message to load a >> bitmap as an image. > > Ok that actually fits the LCD interface model a bit better, but the LCD > class right now is a hack inside of a single driver so eventually needs > fixing > >> The bitmap itself is simple, but requires a specific format. Byte 0 must >> be 0x03 followed by 31 bytes of null. The low bit of byte 32 is x,y >> (0,0) >> second high bit is (0,1)... with low bit of byte 33 being (1,0)... > > How big is it and can it be used for general purpose graphics - I know > the G19 is something like 320x240 but the G13 ? > 160x43 --- The same as the G15 and MX5000 keyboards. In fact, it takes the same bitmap pattern as the keyboards. 160x43 is small, but some graphics are definitely possible, console/text is certainly possible. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
