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Data corruption with USB bulk transfers
Hi.   I'm trying to send some data over USB via bulk transfers on XMEGA. I can send data, but if the data rate gets too high it becomes corrupted. I think what maybe...
Friday, 15 January 2016 - 12:09
Custom USB device descriptors with ASF (implementing WCID)
I'm trying to implement "Windows Compatible ID" (WCID) with the ASF. Basically you add some extra descriptors to your USB interface and Windows can install a driver for...
Thursday, 19 November 2015 - 15:30
Setting up .flash1 with Atmel Studio
I'm on Atmel Studio 6.2 and trying to set up .flash1 to be at 0x10000 (word addressing). I tried adding ".progmem1.data=0x10000" to the linker config but it doesn't work. It looks...
Monday, 16 November 2015 - 10:47
XMEGA static damage may affect RC2M oscillator
Recently we had a small number of XMEGA based boards that we think were damaged by static. They were wrapped in some heatshrink that wasn't ESD safe, and now the 2MHz RC...
Wednesday, 4 November 2015 - 12:02
Higher contrast icons for AS7
Is there a way to use the AS6 icons, or at least some with a reasonable level of contrast in AS7? The three themes that come with it are all terrible. AS6 was easy on the eye,...
Sunday, 1 November 2015 - 18:09
stdio performance with USART
Following on from this thread: https://www.avrfreaks.net/forum/h...   I did some tests redirecting stdio to a USART running on an XMEGA. I used the simulator for cycle...
Tuesday, 16 June 2015 - 14:08
Qtouch with Atmel Studio on the ATtiny20-EK1
I'm looking at using Qtouch in a product do got an ATtiny20-EK1 board to play with. It works fine but I can't get the supplied IAR project to build in the latest version of IAR...
Friday, 1 May 2015 - 10:20
External resistors for USB (disabling internal resistors)
I want to use the same connector for both USB and high speed (~1M baud) 3.3V USART. Obviously only one will be in use at a time. In order to handle high speed signals I need some...
Thursday, 9 April 2015 - 10:08
Reducing ASF USB HID footprint for XMEGA bootloader
Morning everyone.   I've written a simple HID bootloader for XMEGA devices that is open source: https://github.com/mojo-chan/hid...   It's very alpha, not tested at...
Thursday, 9 April 2015 - 08:21
USB vendor class callbacks - UDI_VENDOR_SETUP_OUT_RECEIVED and UDI_VENDOR_SETUP_IN_RECEIVED
Afternoon everyone.   I'm trying to develop an open source vendor class USB device. It needs to accept commands and return data with an interrupt endpoint. The interrupt...
Saturday, 4 April 2015 - 16:37
E5 asynchronous interrupt pins
Looking at the datasheet for the E5 it doesn't mention which pins have asynchronous interrupt support. In fact it kinda implies that they all do. Other devices list which...
Tuesday, 24 March 2015 - 14:53
XOSC starting with no crystal?
Hi. I have a weird issue when I don't have an external oscillator on my PCB.   I have a product where there are two versions. One has a 16MHz crystal and caps, the other...
Thursday, 19 March 2015 - 14:28

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