• LPUART driver bug

    There is a UART driver issue that is present in SDK_2.7.0. While I have not tested it, I believe it is still present in SDK_2.8. I am using a MKE14F512VLL16. In my case I am also using FreeRTOS and have one ...
    Kevin Haake
    last modified by Kevin Haake
  • Real-time DSP using the LPC55S69 i2s Examples

    I currently experimenting with the LPC55S69 i2s examples i2s_interrupt_record_playback and i2s_dma_record_playback examples. My starting point has been the interrupt version example. I want low latency and the ability...
    Mark Wickert
    last modified by Mark Wickert
  • Segger JLINK doesn't work properly in MCUXpresso 11.1.1 (with projects)

    I just recently installed MCUXpresso 11.1.1 and have the most recent JLink drivers (6.54c). I'm also using SDK V2.7.0 and a JLINK Base debugger with an FRDM-K64F board.   I'm experiencing problems debugging...
    Manuel Malagon
    last modified by Manuel Malagon
  • ADC problem

    I want to take samples from 3 ADC channels from QN9080DK board, but it seems that somehow their result are related to each other. I use the following codes and each time I recall these functions: ADC_CH_4, A...
    last modified by ashkanrezaee
  • Bug in LPSPI_MasterTransferBlocking() if bytesPerFrame < 4

    There seems to be an issue in LPSPI_MasterTransferBlocking() (as found in fsl_lpspi.c / SDK 2.7, MKE14F512VLL16). A related issue existed in SDK v2.6. (see Bug in LPSPI_MasterTransferBlocking()?). A fix was ...
    Kevin Haake
    last modified by Kevin Haake
  • Race condition in MCUXpresso USART Driver

    The code contained in fsl_usart.c driver contains a race condition on transmit.  The error will occur in systems that have non-blocking transmit and receive happening simultaneously.   Starting at line 588 ...
    last modified by otsl
  • QN9080 bootloader

    Hello.   I'd like to made a bootloader for QM9080 ARM Cortex M4 MCU using BLE and gcc compiler.   I am using "QN908XC_connectivity.ld" linker script.   Let's suppose my bootloader use 64K of flash me...
    Davide Ferrario
    last modified by Davide Ferrario
  • Pointer alignment error

    Alignment error in "serial_port_usb.с"  SDK_2.7.0_FRDMK64 A project was created on the basis of two projects "hello_word_virtual_port" and the project "shell". When the project was launched, the output of non-c...
    Konstantin Grjznov
    last modified by Konstantin Grjznov
  • ResetISR() before main()

    Dears,   I have trouble with debugging projects for MK82. I used some of SDK example. Running is immediately stop in ResetISR(), before main(). I tried different examples, I get same results -> ResetISR() bef...
    Vaclav Rojik
    last modified by Vaclav Rojik
  • Bug report for USB examples

    Is there a better place for reporting bugs? I couldn't find any.   I've run into an issue with some of the RT1050 USB examples where they don't enumerate correctly when connected to a computer running windows 10...
    Jay Monkman
    last modified by Jay Monkman
  • Execute another program from a code

    Hello All,   I am using FRDM-KW36.   In one of my applications, I need to run a small code and check for a condition. If condition is satisfied, execute another program stored in P-Flash at location o...
    Pandurang Chauhan
    last modified by Pandurang Chauhan
  • Cannot download MCUXpresso

    I'm using Firefox on Windows 10 and I cannot download MCUXpresso.   If I go here: MCUXpresso IDE|Eclipse-based Integrated Development Environment (IDE) | NXP  and click on the download button, I get redirec...
    Curtis Hendrix
    last modified by Curtis Hendrix
  • SDIF driver invalid error handling

    I am using SDK 2.6.0 with LPCExpresso54618 and running an example lpcxpresso54618_fatfs_sdcard_fatfs.   If the write to the card timeouts or fail for any reason, then i run into an assert in SDIF_TransferHandleD...
    Tomas Vavra
    last modified by Tomas Vavra
  • BOARD_XTAL0_CLK_HZ is always 12MHz with Clock Config Tool

    I'm using web clock config tool to setup the clock and generate clock_config.c and clock_config.h files, and then I export the two files into my project. Sometimes I select a board e.g. "LPCXpresso54618" and sometimes...
    Mo Abbasi
    last modified by Mo Abbasi
  • Same enum names but different values in fsl_clock.h

    Hi,  We are using SDK_2.6.0_LPCXpresso54618and SDK_2.6.0_LPC54605J256 in our project.  I have faced an issue when I was making a customized uart driver.  I need to Get clock frequency, so I...
    Mo Abbasi
    last modified by Mo Abbasi
  • EXAMPLE_GetRingBufferLengthEDMA in uart edma_rb_transfer example

    New uart driver example "edma_rb_transfer" in SDK2.6.0 has EXAMPLE_GetRingBufferLengthEDMA() implementation. Seems function will return wrong result if data length in rx ringbuffer will be same as ringbuffer size. E...
    Andrey Korol
    last modified by Andrey Korol
  • RT1064 fsl_kpp driver bug (?)

    Hi,  Experimenting with the fsl_kpp driver from the SDK_2.x_EVK-MIMXRT1064 2.6.1 package.   The keypad driver contains the following example: in boards/evkmimxrt1064/driver_examples/kpp/kpp.c: KPP_keyPre...
    Jonathan Vervaeke
    last modified by Jonathan Vervaeke
  • Bug fsl_sdif.c

    Hi, hope i'm right here. Found a bug in fsl_sdif.c from the SDK_2.6.0. (i use the LPC54605J256).   The cardRemoved Callback isn't assigned in the SDIF_TransferCreateHandle(...) Function ~Line1316. Best Regards ...
    last modified by juergen.josef@gmx.at
  • Quirk to watch for in SDK 2.5.0 for LPC804 in fsl_gpio.c GPIO_PortInit()

    In version 2.1.1 the GPIO_PortInit code is:   void GPIO_PortInit(GPIO_Type *base, uint32_t port) { #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)   ...
    Mike Katz
    last modified by Mike Katz
  • Bug in SDK 2.5.0 for LPC804 (and maybe other micros) in fsl_usart.c

    Version 2.0.0 of the fsl_usart driver from the LPC804 SDK has the following code snippet from the USART_SetBaudRate() function (this works):               di...
    Mike Katz
    last modified by Mike Katz