• Problems with imx7d overlay setting rgb565 mode?

    Hello everyone On imx7d, I successfully enabled the overlay layer, and my screen resolution is 720x1280. And when bits-per-pixel = <32>, everything looks good except for screen jitter. Later I set bits-per-pixel...
    其东 刘
    last modified by 其东 刘
  • A7/M4 timing issue using power_mode_switch example

    Hi,   My use case: when A7 goes to VLLS, switch M4 to VLLS and wait for an event (GPIO or LPTMR) to wake up, then wake up A7 too.   Platform: 7ULP EVK 7ULP: any default image (using core-image-base) M4 SDK...
    Guillaume Audirac
    last modified by Guillaume Audirac
  • I.MX 7 ULP/Solo datalogger use

    I'm new to I.MX processors and only familiar with Beaglebone black (AM355x). But i'm looking for a 'upgrade' to the BBB, any idea how the 7(ULP/Solo) compare? It's a core A7 compared to core A8 but a much newer design...
    Michiel TJampens
    last modified by Michiel TJampens
  • i.MX7ULP: IO configuration

    Hi,   I am planning to use imx7ULP in one of the medical applications device. And require 3 Mic to interface with iMX7ULP. And it is battery operated device so we have to select iMX7ULP. I have some of the ...
    Mrudang Shelat
    last modified by Mrudang Shelat
  • IMX7ULP EVK LP Boot Mode M4 halts

    I'm trying to test IMX7ULP-EVK board (REV B1) using the image files in L4.9.88_2.0.0. The demo image which is power_mode_switch starts working in LP-Boot mode and spits out some messages that working task is running. ...
    Sina Farzinfard
    last modified by Sina Farzinfard
  • Audio Interface in IMX7ULP with DMA

    Hello,   Setup: IMX7ULP + dig mic    Queries 1) Is there a way to capture audio data using DMA over I2S interface? if yes, how much max audio data(at 16k sample rate) can be captured? 2) Is there a...
    Vivek Rajpara
    last modified by Vivek Rajpara
  • Controlling SAI/I2S from A7 core in iMX7ULP

    Hello,   Is it possible to control I2S/SAI controller from A7 domain in iMX7ULP?   By default, I2S/SAI drivers are available in M4 SDK (part of FreeRTOS) provided in the release package and are enabled by ...
    jai ganesh sridharan
    last modified by jai ganesh sridharan
  • Documentation about SRTM

    Hello,   I could see in the NXP SDK for M4 cores, SRTM (along with rpmsg) is used for remote processor communication, but i could not find any documentation regarding the same. I could find lot of tutorials rega...
    jai ganesh sridharan
    last modified by jai ganesh sridharan
  • I.MX8MM (Mini) cannot find eMMC slot.

    Hi communicators.   I knew how can porting the OS from i.mx8 board. (as SD Card) (As you may already know, sdcard is mmc. and emmc is embeded mmc.)   I recently completed to porting Android OS through SD ...
    lim eon
    last modified by lim eon
  • How to set imx7d dma single transmission size unit?

    Hello everyone my development board is IMX7DSABRE. Linux kernel version is 4.9.88 I use dma on imx7d to transmit the data on the eim bus. Now my data can be transmitted normally, but I found that dma unpacked and tran...
    其东 刘
    last modified by 其东 刘
  • FUSE programming in imx7 ULP

    Hi all,   I'd like to know the way to program eFUSE in i.MX7ULP.   I've checked a following but can't understand how to do it. https://www.nxp.com/docs/en/application-note/AN4581.pdf   I guess there...
    ko-hey
    last modified by ko-hey
  • Linux device tree for the SAI device used as a UART (bluetooth)

    I have a custom i.mx7d target with a wl1837mod wifi/bluetooth module connected to sai12, muxed (ALT2) to uart4. I'm running a linux 4.9 buildroot kernel   My device tree has defined the pinmux for uart4 to map ...
    Dan Rittersdorf
    last modified by Dan Rittersdorf
  • How to program SRK_HASH in iMX7ULP?

    We've been able to extract the iMX7ULP fusemap from the i.MX 7ULP Applications Processor Reference Manual, however, we can't find the SRK_HASH location in it. Manuals of other processors (iMX6, iMX7 etc.) contain a fu...
    Norbert Varga
    last modified by Norbert Varga
  • AOSP 9.0 OTA update for iMX8M Mini

    Hi Sir,   I am using iMX8M Mini EVK and AOSP 9.0 version and I am able to run AOSP successfully on my EVK board.   Now I am trying to test OTA update on iMX8M Mini EVK for that I referred steps given in in ...
    Maneesh Singh
    last modified by Maneesh Singh
  • Kernel 4.19.35 Memory leak when use ping from iputils

    Good Morning, When use packet from Yocto  Warrior ip-utils and ping host I see that it eats memory. After some reserach I found that slab skbuff_head_cache increase objects in slab alocator: When it works...
    bb bbb
    last modified by bb bbb
  • imx-yocto-L4.14.98_2.3.1 Release Notes

    Hello,   I have a question about the release notes of imx-yocto-L4.14.98_2.3.1. You have written that the tested version for imx-gpu-g2d is 6.2.4.p4.8. I am unable to request the file because it cannot be found....
    Patrick Jakob
    last modified by Patrick Jakob
  • Required very low power processor for battery operated device

    Hi,   I am looking for a very low power processor solution for battery-operated medical devices. Earlier I have used i.MX6ULL but the DRAM and eMMC combined MCP package is EOL now and needs to change the process...
    Mrudang Shelat
    last modified by Mrudang Shelat
  • Building uboot/kernel/test-application out of Yocto

    Before reading: only a personal works and sharing, not any form of "release". I didn't find any confidential information from the packages. So, I'm publishing it here. This is only for testing purpose. Do NOT use it...
    Gopise Yuan
    last modified by Gopise Yuan
  • MCIMX7SABRE Eval board minimum current requirement

    Can anyone tell what is minimum current requirement of this MCIMX7SABRE evaluation board ? Getting started guide suggests, power source should be 5VDC/5A. Due to unavoidable situation, I cannot get 5VDC/5A power...
    Prabhakar Patil
    last modified by Prabhakar Patil
  • i.MX6Qsabresd Board and  Murata 1MW WiFi/BT connection problem

    I connected the two boards to page 28 of themurata_quick_start_guide_linux.pdf manual.At the same time, I built the new mirror file as described in the following post in the community https://community.nxp.com/th...
    zh_y
    last modified by zh_y