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Freedom development platform
Forum I cannot access FRDM - KL25Z via PUTTY (or similar Terminal)
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Related

I cannot access FRDM - KL25Z via PUTTY (or similar Terminal)

nablasound
nablasound over 10 years ago

Hello everybody,

 

I purchased a FRDM - KL25Z board with an Intrinsc sensor board and set it up like the Start Up Guide suggested. Additionally I updated the MSD and the bootloader version to the newest version.

 

Because we want to use the device only to record the sourunding magnetic fileds I tried to access the board via putty (and also Tera Term) to directly read its data via the serial Port.

Therefore the manual suggested to run the serial_test file which comes with the precompiled files, which perfectly worked. When trying to acces the board directly it just gave back a string of signs that made no sense and trying out different translations didnt change anything.

I made sure to use the same baud rate, parity, bit, etc configuration the manual suggests and as stated before tried different terminals to access the board.

 

After unplugging and restarting my computer (OS = Windows 7 btw) and plugging the board back in, the board does not send anything to the terminal (not even some bullshitt like before)

 

Has anybody encountered a similar problem and knows a way out.

 

Thank you very much in advance

Martin

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  • bheemarao
    bheemarao over 10 years ago

    Hi Martin,

     

    Can you share the executable files or project folder and the serial port settings(baudrate..) so that i can test it from my end. usually this happens if baud rate is not matching.

     

    Best Regards

    Bheema Rao

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  • nablasound
    nablasound over 10 years ago in reply to bheemarao

    HI,

     

    so there are no executable files yet, the idea is to directkly access the board and by typing in S0 to S5 the reading of the built in sensors is printed to the terminal. (According to the manual of the xtrinsic board)

     

    The baud rate is 115200 and has been tested by the serial_test_115200.srec which is available in the Start Up package from OpenSDA for the frdm board  (this one works)

    The rest is: serial port connection (COM as assigned by my computer), 8 bits, 1 stop bit, now flow control, no parity bit.

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  • bheemarao
    bheemarao over 10 years ago in reply to nablasound

    Hi Martin,

     

    I understand you are interfacing Xtrinsic sensor board along with KL25Z freedom board.

    please find enclosed the "sensors_freedom.srec" file with which you can evaluate Xtrinsic sensor board interfaced to KL25Z

     

    Best Regards

    Bheema Rao

    Attachments:
    sensors_freedom-srec.rar
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  • bheemarao
    bheemarao over 10 years ago in reply to bheemarao

    Hi Martin,

     

    Is your sensor board working fine with the provided srec file on KL25Z board?

    Do you need any other assistance, feel free to contact us.

     

    Best Regards

    Bheema Rao

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  • nablasound
    nablasound over 10 years ago in reply to bheemarao

    Hi Bheema,

     

    that was exactly what I was looking for, its a pitty that there was no reference in the documentation provided.

    Thank you very much for your quick help.

     

    All the best

    Martin

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  • davewr
    davewr over 9 years ago in reply to nablasound

    I too found that helpful. Lots of references in the documentation -- but no file lik!

     

    Thank you!

     

    Is the source package available? That would be handy for a reference.

     

    For other people who find this -- I could not update the boot drivers and the PEMicro files from Windows 10. I had to re-boot my system under the XP operating system. Once I update to version 1.11 it worked fine.

     

    The new Freescale development system (Version 3.x) works as well and I have compiled and run some programs using the pe-link access to the Freedom KL25Z board.

     

    Also -- is there a working WiFi or Ethernet interface that would be easy to integrate?

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  • davewr
    davewr over 9 years ago in reply to nablasound

    I too found that helpful. Lots of references in the documentation -- but no file lik!

     

    Thank you!

     

    Is the source package available? That would be handy for a reference.

     

    For other people who find this -- I could not update the boot drivers and the PEMicro files from Windows 10. I had to re-boot my system under the XP operating system. Once I update to version 1.11 it worked fine.

     

    The new Freescale development system (Version 3.x) works as well and I have compiled and run some programs using the pe-link access to the Freedom KL25Z board.

     

    Also -- is there a working WiFi or Ethernet interface that would be easy to integrate?

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  • bheemarao
    bheemarao over 9 years ago in reply to davewr

    Hi,

     

    I found the source code and precompiled executable for Xtrinsic sensor kit has been posted at the below link:

    http://www.element14.com/community/docs/DOC-63693/l/element14-precomplied-examples-for-xtrinsic-sensors-evk-mems-sensors-board-evaluation-kit

     

    For WiFi interface to KL25Z with module ESP8266 please refer to the below link from mcuoneclipse:

     

    http://mcuoneclipse.com/2014/11/30/tutorial-web-server-with-the-esp8266-wifi-module/

    http://mcuoneclipse.com/2014/12/14/tutorial-iot-datalogger-with-esp8266-wifi-module-and-frdm-kl25z/

     

    Best Regards

    Bheema Rao

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