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mega128 Port G question
Hi all. I am using a mega128 (NO mega103 compatibility mode). I have a few SPI slaves to connect but also want to use the Timer/Counter0 pin (and later maybe Time/Counter1 pins)...
Thu. Jun 5, 2008 - 02:30 PM
[solved] AVR Studio 4.13 Service Packs
I´m a little bit stumped. I got my new (refurbished) IBM Thinkpad this week and had to download the installer for AVR Studio. It seems like I missed the release of Service Pack 2...
Tue. Dec 18, 2007 - 05:59 PM
Subversion: add file but don't version it?
This might be a case of RTFM, but then I just don't see it: I was wondering if it is possible to have files added to a repository but at the same time keep them unversioned?...
Fri. Jul 13, 2007 - 09:23 AM
avr-libc variable definition (possibly stupid question)
I´m reworking some example code to fit my project (and gcc). Once again I stumbled over the different possibilities of variable definition. The avr-libc reference manual states...
Sat. Apr 14, 2007 - 12:07 PM
VCC vs. maximum operating frequency on mega128?
Hi. I know some datasheets hold info on the maximum operating frequency vs. supply voltage (like the ATtiny2313 datasheet, page 184 or see pic below). I could not find the same...
Mon. Mar 26, 2007 - 09:37 AM
breakpoints on JTAGICE mkII
Hi. I´ve spent the last week or so trying to debug some code and finally decided to buy a JTAGICE mkII. Reading the manual prior to ordering, I stumbled over the breakpoints...
Fri. Feb 23, 2007 - 11:46 AM
struct{} in EEPROM?
Hi, just finished reading the docs I found on using the EEPROM for non-volatile storage. If I understood everything right, the EEPROM can hold any kind of data, as long as it is...
Wed. Dec 6, 2006 - 10:27 AM
avr-libc: Built-in rounding function and documentation?
I was just coding a small rounding function which, of course, is called 'round': int16_t round(float f) { uint16_t r; r=f+(f
Mon. Dec 4, 2006 - 10:24 AM
Cast from array to float: Code OK?
I have a compass module with an SPI that sends the heading information as IEEE floating point. The float number is contained in a longer data stream, the four bytes for its...
Fri. Nov 24, 2006 - 09:12 PM
Wasn´t there a sticky post with literature recommendations?
Sorry to bug you, but wasn´t there a sticky post with literature recommendations on C? Has the post diasappeared? Has it been moved? Is my memory completely wrong and there hasn´t...
Wed. Oct 18, 2006 - 08:50 AM
SPI idle voltage levels
While playing around with SPI, I observed something I found no explanation for: When setting up the controller (a mega128 in this case, a smaller one wasn´t at hand :) ), all...
Tue. Oct 17, 2006 - 08:35 PM
What´s the use of minimum-width integer types ?
While reading the avr-libc 1.4.4 documentation I stumbled across the definition of "Minimum-width integer types" such as int_least8_t, uint_least8_t, etc. What´s the use of such a...
Tue. Oct 17, 2006 - 08:32 AM