Type in the full discussion title or a part of it.
Discussion Title Created date
Compiling with LTO produces broken binary after upgrading compiler
I upgraded avr-gcc to 7.2.0 and now my code does not work properly if I I compile it LTO. It does if I compile it without LTO, but I consider this a workaround and it is not my...
Sunday, 8 October 2017 - 03:04
Error when LTO is enabled
After upgrading avr-gcc to 7.2.0, I started to get the following error unless I disabled LTO. Previously my project compiled fine with LTO. Is there something I'm doing wrong?...
Tuesday, 19 September 2017 - 10:09
How do I report a compiler bug?
I believe I have found a compiler bug but I can't figure out how to report it.
Thursday, 1 June 2017 - 02:26
What is the highest port that a megaAVR can have?
I've only ever worked with Port B through Port F, but are there any beyond it, and if so which are they?
Monday, 24 April 2017 - 16:57
Is there any difference between power-on, watchdog, and external resets?
I have a very strange problem where some code which triggers a watchdog reset and then jumps to the boot loader only works if an external reset has not happened since the last...
Saturday, 25 February 2017 - 19:38
Are the I/O registers associated with a certain port always laid out the same way?
For example, on the ATmega32U4, PINB is followed by DDRB which itself is followed by PORTB. Does this hold true for all ports on all devices?
Sunday, 19 February 2017 - 20:16
Is it possible to drive a TWI bus faster than 400kHz?
I'm using a 16MHz clock.
Friday, 17 February 2017 - 22:55
Is using _end a good idea?
I'm thinking of using it as an array which could theoretically grow until all the available memory is used, as an alternative to allocating memory dynamically. Has anyone done...
Wednesday, 15 February 2017 - 16:25
Under what circumstances will a bootloader run?
I've written some for a Teensy 2.0. It compiles and flashes fine. However, whenever I try to run it, Teensy Loader displays "Reboot OK," but then after a moment displays previous...
Saturday, 28 January 2017 - 22:13