Full Graphic Smart Controller Hacks

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When using the RepRapDiscount Full Graphic Smart Controller, there are some possible hacks to modify the display.

(THIS APPLIES TO MARLIN V1.0.0-RC2! Other versions may require a different approach.)

In dogm_lcd_implementation.h you can change the lines below

const unsigned char start_bmp[574] PROGMEM = { //AVR-GCC, WinAVR

to a new logo. The comma seperated values are the binary pixel information in hexadecimal format, one byte at a time. The logo image has a size of 60x64px. One possible way to get a new logo is to download the software LCD Bitmap Converter. With it's help, you can load a bitmap file and convert it to the pixel informations. There are some other tools [1] [2] designed to do the same.

When you have your own logo converted, it seems to be important to break lines after every 8 numbers. As soon as you have done that, you can copy these numbers in the dogm_lcd_implementation.h, overwriting the old contents of start_bmp. Note, that it not important to convert the numbers to hex, decimal works fine. An example for a custom logo follows.

const unsigned char start_bmp[574] PROGMEM = { //AVR-GCC, WinAVR
0, 0, 0, 31, 192, 0, 0, 0, 
0, 0, 3, 255, 254, 0, 0, 0, 
0, 0, 31, 255, 255, 192, 0, 0, 
0, 0, 127, 255, 255, 240, 0, 0, 
0, 1, 255, 255, 255, 252, 0, 0, 
0, 3, 255, 224, 63, 254, 0, 0, 
0, 15, 254, 0, 3, 255, 0, 0, 
0, 31, 240, 0, 0, 127, 192, 0, 
0, 63, 192, 0, 0, 31, 224, 0, 
0, 127, 128, 0, 0, 15, 240, 0, 
0, 254, 0, 0, 0, 3, 248, 0, 
1, 252, 0, 0, 0, 1, 248, 0, 
1, 248, 0, 0, 0, 0, 252, 0, 
3, 240, 0, 0, 0, 0, 126, 0, 
7, 224, 0, 0, 0, 0, 62, 0, 
7, 192, 0, 0, 0, 0, 31, 0,  
15, 128, 0, 0, 0, 0, 31, 128, 
15, 128, 62, 0, 7, 192, 15, 128, 
31, 0, 127, 128, 15, 240, 7, 192, 
31, 0, 255, 128, 31, 240, 7, 192, 
62, 0, 255, 192, 31, 248, 3, 192, 
62, 0, 255, 192, 31, 248, 3, 224, 
60, 0, 255, 192, 31, 248, 3, 224, 
124, 0, 255, 192, 31, 248, 1, 224, 
124, 0, 255, 128, 31, 240, 1, 240, 
124, 0, 127, 128, 15, 240, 1, 240, 
120, 0, 63, 0, 7, 224, 1, 240,
120, 0, 12, 0, 3, 128, 0, 240, 
120, 0, 0, 0, 0, 0, 0, 240, 
248, 0, 0, 0, 0, 0, 0, 240, 
248, 0, 0, 0, 0, 0, 0, 240, 
248, 0, 0, 0, 0, 0, 0, 240, 
248, 0, 0, 0, 0, 0, 0, 240,
248, 6, 0, 0, 0, 3, 0, 240, 
248, 7, 0, 0, 0, 7, 0, 240, 
120, 7, 0, 0, 0, 7, 0, 240, 
120, 7, 0, 0, 0, 15, 0, 240, 
120, 7, 128, 0, 0, 15, 1, 240,
120, 7, 128, 0, 0, 14, 1, 240, 
124, 3, 192, 0, 0, 30, 1, 240, 
124, 3, 192, 0, 0, 62, 1, 224, 
60, 3, 224, 0, 0, 60, 3, 224, 
62, 1, 240, 0, 0, 124, 3, 224, 
62, 1, 248, 0, 0, 248, 3, 192, 
31, 0, 254, 0, 3, 248, 7, 192, 
31, 0, 127, 128, 15, 240, 7, 192, 
15, 128, 127, 249, 255, 224, 15, 128, 
15, 128, 63, 255, 255, 192, 31, 128, 
7, 192, 15, 255, 255, 128, 31, 0, 
7, 224, 7, 255, 255, 0, 63, 0, 
3, 240, 1, 255, 252, 0, 126, 0, 
3, 248, 0, 127, 240, 0, 252, 0, 
1, 252, 0, 0, 0, 1, 252, 0,
0, 254, 0, 0, 0, 3, 248, 0, 
0, 127, 0, 0, 0, 7, 240, 0, 
0, 63, 192, 0, 0, 31, 224, 0, 
0, 31, 240, 0, 0, 127, 192, 0, 
0, 15, 252, 0, 1, 255, 128, 0, 
0, 7, 255, 192, 31, 255, 0, 0, 
0, 1, 255, 255, 255, 252, 0, 0, 
0, 0, 255, 255, 255, 240, 0, 0, 
0, 0, 63, 255, 255, 192, 0, 0, 
0, 0, 7, 255, 255, 0, 0, 0, 
0, 0, 1, 255, 252, 0, 0, 0
};

Custom bootup logo

Display of just one extruder

Sometimes, things change fast. One day after commiting this on GitHub, the info screen is now adapted to the number of extruders automatically. So if you want this feature, just get the latest Marlin firmware.