swq0603 1 Posted November 6, 2015 in How to programme the power on image? When the machine is power on each time, we can always see that there is a large logo “Ultimaker” on the LCD screen. I just have a look at the firmware and find that it is programmed through a so long code as following. I am just a little curious why the long code indicate the big logo. What code is it? const uint8_t ultimakerTextGfx[] PROGMEM = { 128, 21, //size 0x6,0x6,0x6,0x6,0xfe,0xfe,0xfe,0xfe,0xfc,0x0,0x0,0x0,0x0,0x0,0x0,0x0, 0xfc,0xfe,0xfe,0xfe,0xfc,0x0,0x0,0x0,0xe,0xfe,0xfe,0xfe,0xfe,0x0,0x0,0xe0, 0xfc,0xfe,0xfe,0xfc,0xe0,0xe0,0x0,0x0,0x0,0xce,0xce,0xce,0x0,0x0,0x0,0xc0, 0xc0,0xc0,0xc0,0xc0,0xc0,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x80,0xc0,0xc0,0x80, 0x0,0x0,0x0,0x0,0x0,0x0,0x80,0x80,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0,0x80, 0x80,0x0,0x0,0x0,0x0,0x6,0xfe,0xfe,0xfe,0xfe,0x0,0x0,0x0,0x0,0x80,0xc0, 0xc0,0xc0,0x0,0x0,0x0,0x0,0x0,0x0,0x80,0x80,0xc0,0xc0,0xc0,0x80,0x80,0x80, 0x0,0x0,0x0,0x0,0xc0,0xc0,0xc0,0xc0,0x0,0x80,0xc0,0xc0,0xc0,0xc0,0x80,0x0,…………………………………… Share this post Link to post Share on other sites
nallath 537 Posted November 6, 2015 in How to programme the power on image? I'm guessing it's a set of pixels that are either on or off (I didn't make it, so I'm not 100% sure). The logo doesn't have a font in the machine, so this is the only way to do it. Share this post Link to post Share on other sites
tinkergnome 587 Posted November 6, 2015 in How to programme the power on image? I am just a little curious why the long code indicate the big logo. What code is it? I also didn't make it... but it's no secret format... It's a (sort of) XBM aka X Bitmap. Commonly used together with the Adafruit GFX-library. There are tools to convert a monochrome bitmap, no need to count the pixels manually... ...for example this one. What's your intention...? Share this post Link to post Share on other sites
swq0603 1 Posted November 7, 2015 in How to programme the power on image? Firstly Thank you tinkergnome for the answer. I just notice that sometimes the lcd cannot show the logo correctly, not each time，the image cannot be fully shown in the lcd occasionally .Also there is image Dithering sometimes.So I look into the firmware and try finding the reason. I did not change the firmware. I guess if the code is correct, maybe there is a problem with my lcd screen. Not sure whether my thought is correct. Share this post Link to post Share on other sites
