• PageOrderMap::init Change to uint16_t entries

    Has anyone been able to update PageOrderMap::init  to uint16_t entries?  I needed to change the entryCount to 1025 to support the NAND flash our board uses.  The comment states that if the assertion hit...
    Randall Jordan
    last modified by Randall Jordan
  • Calls to IO_IOCTL_FREE_SPACE returns half the NAND memory size

    I’m are using MQX 4.1and a K20FX512VLQ12 connected to a Spansion S34ML08G2 NAND flash memory chip.  Calls to IO_IOCTL_FREE_SPACE returns half the memory size, 512K instead of 1MB.   I have updated the...
    Randall Jordan
    last modified by Randall Jordan
  • File rename fail

    I’m having a problem renaming a temporary file when there are 170 files saved to NAND flash.   I am using CodeWarrior 10.6 MQX 4.1 Spansion S34ML08G201 NAND flash MK20FX512VLQ12   The NAND flash...
    Randall Jordan
    last modified by Randall Jordan
  • EEPROM MQX example code for READ AND WRITE data

    Hi,      i need EEPROM example code for FRDMK64f120 controller. am using KDS 2.0 and KSDK 1.1.0 example. so how to write and read data from EERPOM.   thanks and regards, sudhakar p
    sudhakar p
    last modified by sudhakar p
  • Simultaneous SDCard Access Corruption

    The project is set up as follows. USB with MSC access to the SDCard device, along with MFS on top of the SDCard as well.   Now I know that it is potentially unsafe for both USB and MFS to access to the...
    Leif Zars
    last modified by Leif Zars
  • MQX failing to write SD Card after about 900mb of write. I am using MQX™ RTOS 3.7.0

    I am using MQX™ RTOS 3.7.0. But repeated attempt to write on SD card (of 2GB) constantly failing at about 900MB. I am using different file sizes. And this failure is not related to number of file is written as I...
    Nilay Das
    last modified by Nilay Das
  • MQX_FILE_PTR  IO stream for UART communication, mqx_file struct not accessable!

    Hey guys, I am currently working with a Kinetis K70 processor which should communicate over UART5 with a Bluetooth Module. I use the IO serial port ittyf:  to regulate the UART. My communication works fine, i can...
    Fabian Liebisch
    last modified by Fabian Liebisch
  • MQX 4.2, Sd card Read Speed

    Hello, We are using MQX 4.2, on a MCF52254 based custom made board.   We are trying to read data from sd card. This is audio data so we require real time performance. The data is read through following command:...
    Aftab Sarwar
    last modified by Aftab Sarwar
  • MFS Cache Bug

    Provide MFS_sector_cache_invalidate with args first_sector = X and sectors = 1. Insure cache includes sector X. The cache_record will not be invalidated!   Check the current code out... last_sector =...
    Leif Zars
    last modified by Leif Zars
  • Date and time of a directory just created with MFS

    Hello, I use MQX 4.1 and a custom board based on a K64 with a USB host. When I create a directory on a USB memory key mounted with MFS and I look at the result reading the key under windows, I see the correct direct...
    Jean-Paul Deryck
    last modified by Jean-Paul Deryck
  • SD card writing after ejection

    Hi  I've a problem with SD card writing. The installation of SD card is ok, from esdhc to mfs over partition, as indicated in \mfs\examples\sdcard\demo.c, and I can write properly a file with the demo command "...
    mircopizzichini
    last modified by mircopizzichini
  • MFS using NULL handle

    I have found a bug in MFS_Open_file the mfs_open.c file. A snippet of the code is shown below:             /* Lookup entry  with the requested name in t...
    Adrian Rockall
    last modified by Adrian Rockall
  • frdmk64f uart flow control RTS/CTS

    Hi,      how to implement flow control in FRDMK64f120 controller. i am using KDS2.0 IDE and KSDK 1. 1.0 MQX example program. how to implement RTS/CTS flow control in "hello world" example project...
    sudhakar p
    last modified by sudhakar p
  • MQX4.0 ADC interrupt

    I'm using MQX4.0 to develop ADC driver to control my touch panel. Recently, i have had already finished the work by using polling method to get the ADC from touch. But i wanna use interrupt to do for instead. Do an...
    tsung li wang
    last modified by tsung li wang
  • How to handle write protection/errors in MSD in unified USBv2 stack?

    Hi,   I'm using the usb_v2 stack in a MQX4.2-based project on K70 with a SD card slot. Let's say it's an USB card reader.   I would like to allow the USB host access to the SD card content in two different...
    Kolja Waschk
    last modified by Kolja Waschk
  • Project creation for FRDMK66F

    I want to create a project with the following :   Board - FRDMK66F RTOS - MQX Interfaces - UART, SPI, I2C, SDIO Additional features - RTCS, USB, LWIP Toolchain - KDS   Please help me to do this. It wil...
    UNNIKRISHNAN M
    last modified by UNNIKRISHNAN M
  • MQX 4.2.0.2 with MFS and USBv2 data not flushing on fclose

    Hello,   Has anybody else had problems where the data does not flush to the USB stick on fclose?   I am having problems where the data I am writing to the USB stick is not persistent even after I do fflush...
    Thomas Wong
    last modified by Thomas Wong
  • Problems Copying USB to SD using MFS and MQX4.0

    I have K70 system running MQX4.0 with both an USB and SD card interface.  When using the shell (Shell_Copy) to copy files from the USB card to the SD card, they become corrupt.  Copying from SD to USB is not...
    mrupp_viatechnology
    last modified by mrupp_viatechnology
  • using IO_IOCTL_FIND_NEXT_FILE

    I want to be able to scroll through available files on a disk without knowing the file names beforehand.   I am trying to modify the MFSUG example, "List all files and subdirectories in a directory", by creatin...
    Gary Johnson
    last modified by Gary Johnson
  • How to list the NAND Flash files in MQX 4.2 without Shell

    Hello,   My customer is using K70 as the MCU and MQX4.2 and CodeWarrior v. 10.6.4 as development plattforms.   In his application, he needs to store some parameters in a NAND Flash, like the one mounted in...
    Marco Aurelio P. Coelho
    last modified by Marco Aurelio P. Coelho