• JTAG debugger not working with enabled LMEM cache on M4 Core(iMX7)

    Hi,   I'm trying to improve performance of M4 execution by enabling 32KB of cache on iMX7. The application runs out of OCRAM e.g. 0x900000-0x93FFFF memory, and can be improved very much, by enabling LMEM-PS...
    Alexander May
    last modified by Alexander May
  • i.MX7 update to OpenSSL 1.1

    Hello,  We have an i.MX7 BSP based on NXP Release L4.14.78_1.0.0_ga. This has OpenSSL 1.0.2p which will end support at the end of 2019.  Do you have a guide or patches that we could reference to ...
    Serah Peterson
    last modified by Serah Peterson
  • Handling Heap/Stack - Sample application RT1050

    Dear friends,   In developing of a project with i.MXRT1052, I are having difficulty testing the handling of Heap / Stack regions so that the program runs on external RAM (64Mb) rather than internal RAM (96kb). P...
    Rubens Junior
    last modified by Rubens Junior
  • QSPI Flash RT1050 failure

    Dear,   I'm working on a project with the NXP i.MXRT1050 family MIMXRT1052DVL6B processor. For preliminary testing I'm using the MIMXRT1050-EVK development kit. For the initial tests we are using the SDX provide...
    Rubens Junior
    last modified by Rubens Junior
  • LOCSC Interface

    Dear collegues! Happy 2020!   Does anyone know of an interface called locsc for NXP processors?   Best regards. Rubens Júnior.
    Rubens Junior
    last modified by Rubens Junior
  • LOCSC Interface

    Dear collegues! Happy 2020!   Does anyone know of an interface called locsc for NXP processors?   Best regards. Rubens Júnior.
    Rubens Junior
    last modified by Rubens Junior
  • Boot from usb disk hardware

    My board platform is i.MX6QP .I want to start uboot, kernel and rootfs from usb disk hardware. Is there any good way?  
    zh_y
    last modified by zh_y
  • iMX8M MIPI-CSI 4-lane configuration

    Hello,   I came across an odd behavior of the iMX8M processor's MIPI-CSI camera input. I have an AR0330 imager, which I wrote a driver for, and is working pretty neat.   The problem is, it only works if I...
    Krisztian Bakos
    last modified by Krisztian Bakos
  • imx8qxp uuu烧录问题

    imx8qxp-mek开发板,yocto编译的4.14.98的内核和2018.03的BootLoader。 并使用example_kernel_emmc.uuu 修改为附件的烧录文件uuu_emmc.uuu。 内核与BootLoader在Ubuntu14.04下编译完毕后,cmd命令行使用uuu.exe uuu_emmc.uuu烧录(在Windows 10下操作 uuu.exe SDPS: boot -f u-boot.bin...
    一笑 独孤
    last modified by 一笑 独孤
  • 移植开源的国密密码工具箱GmSSL到i.MX平台

    GmSSL是一个开源的密码工具箱,支持SM2/SM3/SM4/SM9/ZUC等国密(国家商用密码)算法、SM2国密数字证书及基于SM2证书的SSL/TLS安全通信协议,提供符合国密规范的编程接口与命令行工具,可以用于构建PKI/CA、安全通信、数据加密等符合国密标准的安全应用。GmSSL项目是OpenSSL项目的分支,并与OpenSSL保持接口兼容。因此GmSSL可以替代应用中的OpenSSL组件,并使应用自动具备基于国密的安全能...
    Xiaodong Zhang
    last modified by Xiaodong Zhang
  • NEON has same performance as C

    Hi i'm developing and image processing application on the Nxp imx7 and I want to compare performance of NEON instrutions vs pure c.   c: a,b,c are float32. Take 11ms to run for(int pixIndex = 0;pixIndex<(640...
    Alexandre Caron
    last modified by Alexandre Caron
  • Enable GmSSL which supports OSCCA Algorithm Toolbox on i.MX (updating for C-V2X)

    GmSSL is an open source cryptographic toolbox that supports SM2 / SM3 / SM4 / SM9 and other national secret (national commercial password) algorithm, SM2 digital certificate and SM2 certificate based on SSL / TLS secu...
    Xiaodong Zhang
    last modified by Xiaodong Zhang
  • SPI Bursts of CM4 on imx7

    Hey, I am using ecspi on the cortex M4 core of the imx7. I need to make the communication faster. At the moment the spi sends a burst of 4bytes. Between every burst I have a break of 2.5µs. Is there an opinion ...
    miguel13366
    last modified by miguel13366
  • SGTL5000 INTERFACING WITH SPI THROUGH MSP430F5529

    Hello Every one, Good morning to all   I am using a sgtl5000 in my console mixer project, I have interfacing through spi , Also I have set all the registers of sgtl5000 , but it doesn't respond any thing.  ...
    vikash chandra raman
    last modified by vikash chandra raman
  • a simple task fails for TCM_L and works well  for flash.

    hello Maybe it is an obvious question but i do not see correct answer. i use mx6sx mcu (a9 and m4 cores inside) and had created a FreeRTOS little test project for TCM_L memory of m4. The project has one little task -...
    oleg scherbinin
    last modified by oleg scherbinin
  • SWO Data Output on i.MX7D

    Does the i.MX7D support outputting data through the TDO/SWO pin by code running on the Cortex-M4 core?   * I configured the debug port to SWD mode * Connected an oscilloscope to the SWO pin * On the M4 I tried...
    Andy Kiser
    last modified by Andy Kiser
  • Custom SDMA script for i.MX7D/S

    Hi all   I want to expand SDMA's script function.   Q1. It seems that NXP provides an assembler for creating SDMA sript, is it available ? If possible, please tell me the origin url. The following URL tea...
    ko-hey
    last modified by ko-hey
  • I.MX8mmini, How to set the destination MAC address to RTP and RTSP Stream using Gstreamer

    Hi, I want  to set the destination MAC address to RTP and RTSP Stream using Gstreamer, Any library needs to be installed or  help me on the steps   Regards Santhosh
    Santhosh Kumar
    last modified by Santhosh Kumar
  • Explenation for HS-SETTLE  parameter in MIPI CSI D-PHY registers

    Hello,   I am currently working on modifying the OV5640 mipi driver so it can work for our custom camera sensor on the SABRE board. In the device tree of the sabre board there is the following configur...
    Robrecht Bisschop
    last modified by Robrecht Bisschop
  • QSPI flash cannot be accessed if set to other than QSPI Boot

    Hello, Community.   Previously, I ’ve asked questions in the following thread, QSPI flash cannot be accessed if the MCIMX7SABRE board is set to other than QSPI Boot.   QSPI Flash cannot be accessed whe...
    Yuichi Takeda
    last modified by Yuichi Takeda