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best C++ practice for useful utilities
    I am having fun with first time working with C++. I am converting a long owned telescope controller project where the software grew a lot of awkward tendrils over...
Sunday, 8 September 2019 - 21:46
Moving from C to C++, weird issue
  After the last 8 years of writing in plain C for my Xmega projects I took it upon myself to learn some C++ and make a C++ version of one of my telescope controllers....
Tuesday, 3 September 2019 - 00:49
Arbitrarily Large Bootloaders
So I notice this AVR App notes for the bootloader says    For this bootloader implementation, the code size is approximately 12KB, and the code is placed in the...
Tuesday, 3 April 2018 - 22:49
Xmega Bootloader Shenanigans (Solved)
Thanks to Sukuwc for posting the zipfile for app note AVR42788 !!  As a result, I was able to get a XMEGA bootloader running from SD card on my telescope controller project...
Monday, 2 April 2018 - 18:19
cold weather signal cables
  I have spent many hours looking through cables over the last few years and have drawn a blank for my requirements.   I am wondering if anyone can recommend a good...
Monday, 5 March 2018 - 23:25
RN42 bluetooth HID Host - Is it possible?
  I have incorporated RN42 bluetooth modules for a few years on my XMEGA projects. I have used them to send debugging text, and commands, back and forth to Android phones....
Monday, 27 February 2017 - 03:03
Moving up from 128A4U to 256A3U, any catches? warnings?
I had very slowly been building up to about 50% in-use on my 128A4U program memory space. Then I got into a big patch of code with a lot of 64 bit math, and the second half of my...
Sunday, 7 February 2016 - 08:07
Stack Monitoring Worries
  I've been working with the XMEGA for the last four years, but I have never really dived "under the hood" with debugging or memory examination (until today).... which means...
Saturday, 16 January 2016 - 23:37
Using RTS and CTS for the first time.
  For a few years I've used these RN-42 bluetooth modules. I've always just tied RTS and CTS together and forgot them. Now I've discovered that in order to put the RN42 into...
Saturday, 2 January 2016 - 23:08
puzzled about some pointers to text
  I am working on a XMEGA A4U. I have some const char arrays in PROGMEM that have short names for all the time zones: const char TimeZoneSmall01[] PROGMEM = " -12 DateLine...
Tuesday, 29 December 2015 - 00:18
Picking the right baud rate timing
  I have recently switched to a new PCB design for my Xmega project.  It has a RN-42 bluetooth "modem" which the Xmega talks to via RS232.   I noticed I was getting...
Friday, 18 December 2015 - 18:48
128A4U's wont program, 256A3B will
  I thought this might be an issue with my AVR ISP MK2, but maybe not, maybe it's a problem with my Xmega128A4U's, so I thought I would post here as a last ditch plea for...
Wednesday, 16 December 2015 - 04:45

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