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Moving from C to C++, weird issue
Thanks for the tips. I actually had tried setting the F_CPU in both those symbols blocks. In fact I had to put weird values into those to make delay_us or delay_ms seem normal...
Thursday, 5 September 2019 - 03:54
AVR42788: SD Card Bootloader for XMEGA A1U - Missing Example Project
Final update, I was able to get this bootloader running on my XMEGA256A3U with the expected minimal mods. 1) repointing the 4 SPI lines and Card Detect, 2) changing the...
Thursday, 5 April 2018 - 05:19
Arbitrarily Large Bootloaders
> Wl,--relax -Wl,--section-start=.mysection=0x1E000 -Wl,--section-start=.text=0x20000   So I can scoot this "mysection" down another 0x200, no big deal, and add...
Wednesday, 4 April 2018 - 17:27
Arbitrarily Large Bootloaders
Hello, thanks. Why is the Application Table called out as a special area of memory?
Wednesday, 4 April 2018 - 06:30
Xmega Bootloader Shenanigans (Solved)
> the one on the right is missing two parts, Those are the i2c RAM i ditched when I got the SD card. I kept one.   I have all four controllers working great now....
Tuesday, 3 April 2018 - 20:22
Xmega Bootloader Shenanigans (Solved)
Hi JC   Yes on all the questions about proper connections to rails, caps, Avcc, bypass caps. I will take a close look at the power supply over time.    I built 4...
Tuesday, 3 April 2018 - 17:37
Xmega Bootloader Shenanigans (Solved)
> What is the clock source to these three controllers?   I am not really sure. I know how my own clock stuff works, its just a few lines of code. But in these generic app...
Monday, 2 April 2018 - 19:47
AVR42788: SD Card Bootloader for XMEGA A1U - Missing Example Project
Yep, goto, That's what they did in AVR42788.   I got this to work by the way. About 1/3 of the time. I am not sure how that is even possible given the same code running each...
Monday, 2 April 2018 - 02:09
AVR42788: SD Card Bootloader for XMEGA A1U - Missing Example Project
I have been working on making this work since yesterday.    I am wondering your collective opinions about question #1 above still. Question#2 was correct, I was able to...
Sunday, 1 April 2018 - 17:03
AVR42788: SD Card Bootloader for XMEGA A1U - Missing Example Project
This App Note code just compiled fine for my XMEGA 256A3U.  I have good luck at getting this XMEGA to do whatever I want, but I am challenged by these Bootloaders.  ...
Saturday, 31 March 2018 - 21:47
AVR42788: SD Card Bootloader for XMEGA A1U - Missing Example Project
Thanks !!! Did you get it to work? I wonder if it would work on my 256A3U project.  ( If you google XMEGA SD bootloader there are tons of examples, none of which compiled or...
Thursday, 29 March 2018 - 03:31
cold weather signal cables
I think you are right that silicone is the premier choice. Second would be some type of rubber is my guess.   I believe the cable I just posted as my "dream cable" is sold on...
Wednesday, 7 March 2018 - 22:50

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