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Type: Posts; User: PaulStoffregen

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    Ah, yes, I see it now. Double space with copy &...

    Ah, yes, I see it now. Double space with copy & paste. This problem is on the Arduino side. To see this, select the non-Teensy COM port from the Tools > Ports menu. That will use Arduino's normal...
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    You need to be much more specific about how to...

    You need to be much more specific about how to reproduce this problem!

    I tried just now with Arduino 1.8.13 and 1.54-beta2 on Windows 10. I believe you can see in this screenshot it looks...
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    Turns out this optimization makes only a small...

    Turns out this optimization makes only a small improvement.

    Here's a little test program which transmits 12 bytes at 33 Mbit/sec.



    #include <SPI.h>

    void setup() {
    SPI.begin();
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    Yes, byte order is an issue. But I also made a...

    Yes, byte order is an issue.

    But I also made a silly mistake of not converting byte count to word count. Doh!
    ...
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    I tried making use of the SPI 16 and 32 bit block...

    I tried making use of the SPI 16 and 32 bit block transfer functions. The Ethernet library fails to run if they're used.

    Can anyone see a mistake?
    ...
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    Thanks for testing! Hopefully we will finally...

    Thanks for testing!

    Hopefully we will finally have a map() function that meets all expectations.
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    I should have mentioned, another property some...

    I should have mentioned, another property some people are expecting is identical result for "reverse" mapping.

    In other words, ideally these should give the same result for all inputs:

    map(x,...
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    I'm not eager to extend the SPI library public...

    I'm not eager to extend the SPI library public API this way, so as written, no, probably not.

    But I would be happy to merge this if it didn't change the public API. Maybe some trickery with...
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    Has anyone looked at the new map() function yet?...

    Has anyone looked at the new map() function yet?

    Several issues were reported on these 2 threads:

    https://forum.pjrc.com/threads/63230-map()-returns-different-values-on-arduino-vs-teensy
    ...
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    I've never heard of this syntax either. ...

    I've never heard of this syntax either.




    This thread.
    https://forum.pjrc.com/threads/62473-Adding-Print-class-printf()-format-string-vs-arguments-checking
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