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Adding DFU to a USB HID device
I have a working USB HID generic device using the ASF 3.34.1. I want to add DFU capability. I already have a DFU bootloader, what I need to do is add the DFU endpoint to the main...
Fri. Dec 1, 2017 - 09:41 AM
Version control of Atmel Studio projects
It seems like there is an issue with trying to version control Atmel Studio 7 projects...   The .cproj file is needed, without it the project won't be loadable when you open...
Wed. Sep 20, 2017 - 10:07 AM
USB performance on XMEGA
I've been experimenting with a minimal USB stack based on the nonolith/Kevin Mehall one. I made a few fixes for XMEGA and successfully implemented a bootloader.   In...
Thu. Aug 17, 2017 - 04:14 PM
RDA5807M for RDA reception - how do you validate the data?
Anyone using an RDA5807M for RDA/RDA reception? These cheap FM radio ICs are popular and some people have used with an Arduino or Raspberry Pi, but the amount of information...
Wed. Aug 9, 2017 - 01:12 PM
Kevin Mehall's USB stack
Has anyone got Kevin Mehall's USB stack working? It's based on the nonolith one I think.   https://github.com/kevinmehall/usb   I've imported it into Atmel Studio...
Thu. Jul 13, 2017 - 01:10 PM
Unrolling memset()
Hi. I'm trying to clear a 256 byte array as quickly as possible. At the moment I have:   memset(input_matrix, 0, 256);  With -O3 this produces:   memset(...
Mon. Jun 19, 2017 - 08:27 AM
ATXMEGA128A3U-MH out of stock, no more until October?!
The ATXMEGA128A3U-MH seems to be out of stock everywhere! What is going on?   Since Microchip took over, prices have rocketed and now they can't even make enough of the...
Thu. Jun 15, 2017 - 02:12 PM
Linux toolchains, debugging and IDEs
I'm considering a switch to Linux, due to Windows 10. The one major bit of software I'm unable to run on Linux is Atmel Studio 7, so I'm looking for alternatives.   I'm...
Wed. May 10, 2017 - 08:31 AM
Locking write access to the user signature row
Is it possible to disable write access to the user signature row?   The various lock bits only seem to allow disabling write access to the application section, the...
Tue. May 9, 2017 - 10:28 AM
PSA: HID report descriptor locations
Public Service Announcement   For some reason Atmel decided to hide the HID descriptor in the ASF code. If you create a new HID device, especially a generic one, it can be...
Tue. Mar 21, 2017 - 10:21 AM
ASF 4 / Atmel Start compatibility list?
There is a list of compatible devices for ASF 4 / Atmel Start anywhere?   I tried to make an XMEGA HID device and it seems that the driver part of the ASF is missing for...
Thu. Mar 16, 2017 - 10:04 AM
V-USB ported to XMEGA
I ported V-USB, the software USB stack from Objective Development for MEGA/TINY AVRs to XMEGA.   https://github.com/kuro68k/vusb-...   It's not tested much yet and still...
Thu. Feb 16, 2017 - 04:11 PM

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