The compile command line is in the file header comment. That is we could be updating in host CPU keep out region. William If you are seeing blue vertical stripes every other pixel then the frame buffer is working.. I’ve successfully used the instructions on the LCD Wiki page to create that device, so I’m able to work with it. I’ll need a little more information about the uboot to be able to have it tell the kernel to initialize the device. From Texas Instruments Wiki. This table defines the size of the panel as well as the desired pixel clock rate, front and back porches, etc.
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Would be nice to get this more automated if we can figure out why it’s not showing up, but again that’s not a show-stopper. Retrieved from ” http: If you know which path you’d like to head down I’ll try to add that information first.
Text is blue and the penguin at the upper left is blue and green. Quite possibly an error on my end. Added by Otmar Schlunk over 8 years ago We are trying to figure out how to get video out of the board and had a couple of questions.
At this point, all we really need to do is draw a bitmap to memory and have it show up on the LCD. Yes, actually, we ldd see a Linux prompt and cursor on that screen.
Currently entering to this condition ldd narrowed down smallest possible extent by disabling system wide interrupts. I’m still seeing wrong colors, of course. The “name” fields is keyed in the init code in the board-mityomapl Do you have a specific tool you know about for converting to RGB format?
You’ll need a different FPGA image.
[PATCH] davinci: fb: Frame Buffer driver for TI DA8xx/OMAP-L1xx
Are we setting some environment variable here? Can you please confirm the revision of your board B, or C? Da8xx-rb, we can’t really help too much here without detailed schematics, and ideally some hardware test with.
I’ll get the source up there as well. We’ll take a look at this setup today and let you know what happens. Yes, the instructions are involved, but they’re easy enough to follow. But I won’t be using DVI for my real demo, so that’s not very critical. So, now the question is what did I do wrong to cause the frame buffer to be non-readable and non-writable?
This table defines the size of the panel as well as the desired pixel clock rate, front and back porches, etc. I’m researching that now and will post here again if I find it before someone else does. Schlunk, The kernel included in the development kit provided should have the necessary code installed to support either the DVI interface or the LCD panel interface.
fbdev: da8xx-fb: fix videomodes of lcd panels [Linux 3.10.102]
This page has been accessed 6, times. Test gradient looks fine now, and so does my logo. It’s just vertical blue stripes, but clearly something is driving a signal out to the display. I can, however, point you to the relevant source code that you will need to modify to set the timings for the video portion, etc.
DA8xx LCDC Linux FB FAQs – Texas Instruments Wiki
Having 3 user DDR buffers will also solve the issue. A few oddities, but I’m now able to at least talk to the frame buffer. BTW, we figured out how to do the bitmaps.
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Software can make use of this register to set the requestor priorities for required EMIF arbitration. When can we expect to receive feedback on this issue?