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Type: Posts; User: Maziac

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  1. Replies
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    It's working now for me as well. Maybe this...

    It's working now for me as well.

    Maybe this helps someone:
    To get it to work I had to remove the complete "Arduino" folder under home Documents.
    Then I reinstalled the libraries.

    I guess this...
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    I updated to Catalina and did a fresh install of...

    I updated to Catalina and did a fresh install of Arduino 1.8.10.
    I started Arduino, gave it full access rights to all drives and **was able to compile a sketch**.

    Then I executed the...
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    Moved to beta 3 thread.

    Moved to beta 3 thread.
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    CDC_DATA_INTERFACE interval

    The CDC data interface specifies a USB poll interval of 0. See here:



    #ifdef CDC_DATA_INTERFACE
    // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
    9, ...
  5. Thread: CDC vs SEREMU

    by Maziac
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    CDC vs SEREMU

    There are different devices available which offer a serial interface e.g. here:



    #if defined(USB_SERIAL)
    #define VENDOR_ID 0x16C0
    #define PRODUCT_ID 0x0483
    #define DEVICE_CLASS 2 //...
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    Thanks, this is of great help for me. So at...

    Thanks, this is of great help for me.
    So at least in Linux I will not have any problems.

    For the serial number: I guess if I have 2 different HWs they will automatically use different serial...
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    Which joystick is first?

    Hi,

    I would like to use the Teensy for a joystick project and I would like to know if there is a way to influence the order of the devices in the OS, e.g. Windows or Linux.

    If I attach 2 same...
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    Polling Joystick + Serial

    Hi,

    following problem.

    I have setup a Teensy LC as USB Joystick + Serial device with:



    #elif defined(USB_SERIAL_JOYSTICK)
    #define VENDOR_ID 0x16C0
  9. Replies
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    145

    Hello manitou, thanks very much, that was the...

    Hello manitou,

    thanks very much, that was the problem.
    The prescaler is working now.

    BTW:
    I'm not using it to generate wave forms, so the PWM won't help me.
    Instead I use it to check that...
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    Low level usage of timers

    I have read the specifications on timers (KL26 Sub-Family Reference Manual) and partially got it to work but I still have a problem with the prescaling.

    I would like to start a timer at a high...
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    Thanks very much for the answers. @KurtE If I...

    Thanks very much for the answers.

    @KurtE
    If I understand correct the send routine does not directly wait on a usb poll but writes into a queue.
    So as long as there are packets available it will...
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    I now found that 'usb_joystick_send' does wait...

    I now found that 'usb_joystick_send' does wait until the next poll. But I haven't yet understood how the wait does work.

    For me it seems that it waits at this location in usb_tx:
    b->desc =...
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    It seems that the problem is not the Teensy (LC)...

    It seems that the problem is not the Teensy (LC) but the usblag. There seem to be lags when usblag is polling the USB.
    It tested on Linux without seeing this problem.
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    Teensy USB delay

    Hi,

    I've done latency measurements for the Teensy LC by connecting it to an Arduino with an usb host shield to measure the lag
    with the usblag project, see https://gitlab.com/loic.petit/usblag
    ...
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    Get notification on usb poll

    Hi,

    I would like to use a Teensy LC to check the polling rate of the USB Host (i.e. PC).
    Therefore I would like to toggle a digital out pin everytime that the PC polls the teensy device.

    Is...
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