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Type: Posts; User: liudr

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    Paul, Thanks for your patience to read this...

    Paul,

    Thanks for your patience to read this thread. I wonder if you ever encountered any project that's got a lot of unknowns and trying to ask questions is just as hard to as doing the actual...
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    I appreciate your responses. I bet I would...

    I appreciate your responses. I bet I would benefit greatly if I were using general usb device/host drivers. I've done simple projects say emulating a keyboard, etc. using general drivers on Arduino....
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    OK thanks for explaining with some timelines. Do...

    OK thanks for explaining with some timelines. Do you mean that NXP has no library to support its own USB features, not even low-level calls such as control requests and BULK IN and OUT, and some...
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    Probably but arduino is easier to prototype and...

    Probably but arduino is easier to prototype and comes at no cost so a good idea to make a proof-of-concept device before investing heavily in NXP toolchain, time and money wise.

    Sorry I said high...
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    Making a proof-of-concept device

    My questions may be confusing because I'm still sorting out information. I'm interested in making a proof-of-concept device out of a teensy 4.0 board, also to learn how to use it. In case this works,...
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    OK thanks for letting me know that I can't use...

    OK thanks for letting me know that I can't use raspberry pi 4 as my dev system. I have a pretty good intel-based desktop for my dev work, fast and reliable. What about the USB features I asked about...
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    Great! This is probably going to work. I can...

    Great! This is probably going to work. I can place Teensy 4.0 board on my board. Saves time from having to route a 4-layer board and get the skills of reflowing BGAs. I wish there's a developer's...
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    Checking tennsy's capabilities

    Hi, my background has been atmega and esp32 chips and sometimes I use Arduino IDE for small projects. I know teensy is a pretty cool family of dev boards but have never come around to try it out. I...
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