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[bugfix 2.0.x] FULL_GRAPHIC_SMART_CONTROLLER not working with RADDS (Arduino2) - *workaround found* #12294
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After some experiment I've found the same parameter I used to change before the latest changes.
So the question now is: |
Did you also test changing the |
Not tried indeed... and don't know how to be honest. If you can, give me some instruction please... but since I don't want to waste your time, in the meanwhile I'll check on the forum to discover some info about that. |
@mignolo4: What @thinkyhead suggested is that you add the following to "Configuration.h": #define ST7920_DELAY_1 DELAY_NS(0)
#define ST7920_DELAY_2 DELAY_NS(0)
#define ST7920_DELAY_3 DELAY_NS(0) Then, tweak the values inside the parameters. For example, set them all to 50, or 100 and see what happens. Once you get it to work, lower the values one by one until you find the smallest values that work. In general, however, tweaking these values tends to help if you are seeing a garbled display, which is not the problem I think you are having. It sounds like you found a workaround that has nothing to do with delays. I'm not sure what the difference is between U8GLIB_ST7920_128X64_4X and U8GLIB_ST7920_128X64_RRD. Maybe someone who is an expert in U8G can chime in? |
Speed is that interesting here because the spi_send_byte routine for the ST7920 is called more than 2000 times a second. U8g2 has about the same problem - but there is work in progress |
@marcio-ao #define ST7920_DELAY_1 DELAY_NS(50)
#define ST7920_DELAY_2 DELAY_NS(50)
#define ST7920_DELAY_3 DELAY_NS(50) in combination with the "_RRD version" for the lcd, changing the delay from 50 to 100, 800 and 8000 but nothing changed. @AnHardt |
This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs. |
After the new menu and lcd rearrangements of the last days the Full Graphic LCD is not working anymore.
Before this new structure I had to edit the "ultralcd_impl_DOGM.h" file:
Compiling with Arduino IDE and the latest versions of marlin2.0 there are no errors but the lcd is empty even though the board is working perfectly with an host like Repetier.
The last working version I checked is the one with the ac5f276 commit.
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