Xavier Ramon Vilamuy

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Activity overview

Latest activity by Xavier Ramon Vilamuy

  • Xavier Ramon Vilamuy commented,

    1. Community
    2. TFTs
    3. Connect NHD-2.4-240320AF-CTXP SPI 3-Wire

    Hello,  I am analyzing the display signal generated by the driver with an oscilloscope and I see clock, SDA and CS signals but the RESET and TE signal generated by the driver are low voltage. Since...

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  • Xavier Ramon Vilamuy commented,

    1. Community
    2. TFTs
    3. Connect NHD-2.4-240320AF-CTXP SPI 3-Wire

    Thank you very much for the answer. 1. 3-Wire SPI Connections: I will leave the SDO unconnected. 2. SPI Clock Frequency: I imagine that by indicating the maximum frequency in the Device-Tree, the...

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  • Xavier Ramon Vilamuy commented,

    1. Community
    2. TFTs
    3. Connect NHD-2.4-240320AF-CTXP SPI 3-Wire

    Hi, I started to configure the LCD in AM335X processor with SPI in Linux Kernel 5.10. I created a new device SPI in the device tree and when I started the SO a reviewed the start log I had many war...

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  • Xavier Ramon Vilamuy commented,

    1. Community
    2. TFTs
    3. Connect NHD-2.4-240320AF-CTXP SPI 3-Wire

    Another question, what is the maximum SPI frequency that this TFT works?

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  • Xavier Ramon Vilamuy created a post,

    Connect NHD-2.4-240320AF-CTXP SPI 3-Wire

    1. Community
    2. TFTs

    HI,  I want connect NHD-2.4-240320AF-CTXP in a 3-wire SPI mode. I read about 3-wire SPI and I understand that the connections needed are an SDA/SDO, CLK and CS signal, that is 3 connections. In thi...

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  • Xavier Ramon Vilamuy commented,

    1. Community
    2. TFTs
    3. NHD-2.4-240320CF-CSXN-F connect Texas AM335x

    Hi,  Finally, I was able to solve the problem by running the tilcdc_drv.c using another LCD that was declared in the panel-simple.c file. However, the screen is still not working. Going through all...

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  • Xavier Ramon Vilamuy commented,

    1. Community
    2. TFTs
    3. NHD-2.4-240320CF-CSXN-F connect Texas AM335x

    Hello,  Thank you very much for the answer.I did the tests you asked for and the result is as follows: root@am335x-evm:~# dmesg | grep drm[   17.680780] [drm] Initialized pvr 1.17.4948957 20110701 ...

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  • Xavier Ramon Vilamuy commented,

    1. Community
    2. TFTs
    3. NHD-2.4-240320CF-CSXN-F connect Texas AM335x

    Hi again, I have made new changes in the configuration files but I still don't see anything on the screen. The main change I have made is to modify the format bus to RGB565 because the screen has 1...

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  • Xavier Ramon Vilamuy commented,

    1. Community
    2. TFTs
    3. NHD-2.4-240320CF-CSXN-F connect Texas AM335x

    Hi,  I tried the new kernel and devicetree but the system doesn't detect the device when executing the command modetest.  root@am335x-evm:~# modetesttrying to open device 'i915'...failedtrying to o...

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  • Xavier Ramon Vilamuy commented,

    1. Community
    2. TFTs
    3. NHD-2.4-240320CF-CSXN-F connect Texas AM335x

    Thank you very much for your reply. I will try the configuration on the PCB. I want to take this opportunity to ask you how this configuration is connected with the ST7789V driver. Thanks,     

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