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__flash causing "unrecognizable insn" error when passing struct to function
I'm working a menu system and am having issues passing structures by reference using __flash.  I'm using the Atmel AVR8 3.4.5 toolchain (GCC 4.8.1) in Atmel Studio 6.2 SP1,...
Wednesday, 5 November 2014 - 15:03
Xmega32E5 32MHz oscillator issue - measures ~60MHz?!
I'm having issues with the 32MHz internal oscillator on a Xmega32E5.  The 2MHz clock checks out fine.  I also tried enabling the 8MHz oscillator and using PLL for 32MHz...
Sunday, 7 September 2014 - 16:39
AVR libc function sizes?
Does anyone know of a list anywhere that gives an estimation of flash usage for a given function in AVR-libc? Just a list of some of the bigger ones like printf would be handy to...
Sunday, 24 August 2014 - 12:15
High speed UART experiences on internal oscillator?
Just curious what other's experiences are with higher speed UART rates on the Xmega's internal oscillator. How fast have you been able to go? I've been using 460,800 on a...
Wednesday, 20 August 2014 - 19:15
Having issues with accessing __flash strings in functions
I'm having issues accessing my string pointers in functions when using __flash. This is stuffed inside the XplainedA1 USART demo with relevant parts below. I'm using AS 6.2 and...
Friday, 25 July 2014 - 20:45
Virtual Ports on Xmega8E5
I'm running into an issue trying to map Virtual Ports on a Xmega8E5. According to the datasheet it has the Virtual Port capability, however the PORTCFG_t structure doesn't...
Wednesday, 12 February 2014 - 16:30
How to maximize serial throughput for a wireless bridge?
Not sure if this is the correct section or not, but seems to fit. I'm working on a project that's intended to be a RS485 wireless bridge, mainly for holiday lighting control. I'...
Wednesday, 5 February 2014 - 18:01
Extending ASF?
I'm trying to get along with ASF "properly" and make it work for me. For instance, I'd like to create a library for my Nordic nRF24L01+ modules that I could re-use among a few...
Wednesday, 22 January 2014 - 15:34
Driving a P Channel MOSFET from an AVR
I'm sure this is very elementary for most of you, but I'm just a hobbyist who is using MOSFETS for the first time. This is pretty simple, switching a load of LEDs via PWM for...
Sunday, 15 September 2013 - 15:04