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Type: Posts; User: TimFlynn

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    What is the solution to this problem?

    What is the solution to this problem?
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    Thanks Andrew. The Block size limit is 4095, so...

    Thanks Andrew.
    The Block size limit is 4095, so the limit is 4*4095 ~= 16k per "transaction". I'd need to reload the destination address then restart. 5 transaction to complete the buffer clear....
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    XMC4700 DMA speed

    I have a buffer I want to clear often. Its just under 80K bytes.
    XMC4700 is running at 144 Mhz. Using DAve ...

    Profiling with a digital IO pin and an oscilloscope , I can clear buffer in about...
  4. I'll give that a try when I can. What I was...

    I'll give that a try when I can.
    What I was seeing was a string of serial bytes on the scope And the ISR read all the bytes,but one of the bytes was not what was in the serial stream.
    Almost like...
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    Thanks Jesus. I avoid malloc as best I can. I...

    Thanks Jesus.

    I avoid malloc as best I can. I do have the stack overflow hooks setup.
    I'll try StateViewer.
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    Hi Andrew, Possibly, when the first word is...

    Hi Andrew,

    Possibly, when the first word is put in FIFO, it transfers to USIC register. So say, you put 5 words into FIFO and quickly. the FIFO depth could be : 0, 1 , 0, 1, 2, 3, 4.
    I haven't...
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    Dealing with a "crash" with FreeRTOS

    I'm stress testing my system and getting it to fail.
    The system stops in the Default Handler. Typically the reference is to VADC0_G3_3_IRQHandler().
    5147

    I don't think its blowing the stack....
  8. XMC4700 UART - Safe way to change FIFO trigger limits

    The serial protocol we're using has a variable packet size. I don't know how many bytes to receive. So DAVE UART App is not too useful.
    So I setup DAVE UART App to be set to direct, then setup...
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    I've got UART Interrupts working, but ... I'm...

    I've got UART Interrupts working, but ...
    I'm using a do while construct:
    do { StreamByte = UART_GetReceivedWord( &UART_SB );
    // do stuff quickly
    } while ( !UART_IsRXFIFOEmpty( &UART_SB ) );
    ...
  10. Thread: FreeRTOS

    by TimFlynn
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    Hi Jesus, Thank you. Is portYield... the...

    Hi Jesus,

    Thank you.
    Is portYield... the official rename? The online FreeRTOS still refers to taskYield... he sourceforge items wasn't clear.

    And the User config does work. Thanks again
  11. Thread: FreeRTOS

    by TimFlynn
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    And another thing. taskYIELD_FROM_ISR is missing...

    And another thing.
    taskYIELD_FROM_ISR is missing in this latest version.
  12. Thread: FreeRTOS

    by TimFlynn
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    Thank you Jesus! That could be a good path. but...

    Thank you Jesus!
    That could be a good path.
    but ...
    I change configUSE_APPLICATION_TASK_TAG to 1 in "FreeRTOS.h" - Good you've got a solution.
    But I also change "FreeRTOSConf.h":
    - near end of...
  13. Thread: FreeRTOS

    by TimFlynn
    Replies
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    FreeRTOS

    It appears that version 4.1.8 has bit of an omission.
    I would like to use Task Tags.
    Ideal for use with the DACs on a XMC4000. Can "see" with a scope what task is active.

    But this version seems...
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    Not to revive a stale thread, but this still...

    Not to revive a stale thread, but this still shows up in searches.

    I use something like :
    #define DO_TP200(A) (PORT3->OMR = ((A)==1) ? PORT3_OMR_PS8_Msk : PORT3_OMR_PR8_Msk)

    This is very...
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    Hi Andrew, Thank you! Too many MLAs. Whats a...

    Hi Andrew,

    Thank you!
    Too many MLAs. Whats a MLA, a Multi Letter Acronym. too many -- too confusing.
    Do you know what the difference is between an event & a trigger event?
    For example...
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    Hello Infineon engineers .... Is it just me,...

    Hello Infineon engineers ....

    Is it just me, or is there a gap in the documentation about interrupts.
    For example,
    I have a UART, I have it setup and sending data (I can see it on a scope). I...
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    Hi Andrew, Where is the XMCLib documentation? ...

    Hi Andrew,
    Where is the XMCLib documentation?

    Where are the Infineon engineers?
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    Did you get an answer? IS there any detailed...

    Did you get an answer?
    IS there any detailed info on using interrupts with FIFOs?
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    Thanks Andrew, But I still have the problem the...

    Thanks Andrew,
    But I still have the problem the UART App is limited to a specific receive size. But I read something about Receive flushing the buffers. So, if I read 2 bytes, then go back and say...
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    Is everyone on vacation?

    Is everyone on vacation?
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    XMC4700 UART Interrupts

    I'm trying to figure the best way to approach my problem. Perhaps some experts will weigh in.

    Among other communications, I have 2 UARTs I will be running. 1 at about 500 Kbaud & the other at just...
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    CAN_NODE vs MULTICAN_CONFIG apps

    I'm using the CAN_NODE app in my code. I ran across the MULTICAN_CONFIG app, but can't find why to one over the other.
    It appears that MULTICAN_CONFIG can deal with Gateway mode.
    I'm not using...
  23. What is the difference between the...

    What is the difference between the Multican_config app & the can_node app ?
  24. Details on using a pin as an external interrupt source on XMC1302

    Reference : DIGITAL_IO HW Signal Connection Issues

    Is there an example app or detailed information of using an input as a interrupt source via ERU?
    This is on a XMC1302.
    Also, what is the...
  25. Thread: Tag Connect

    by TimFlynn
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    Presently using Tag Connects on all of our...

    Presently using Tag Connects on all of our XMC4000 series boards. Works great!
    Looking for something similar for XMC1000 series boards.
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