The dfu-programmer protested that “Bootloader and code overlap. Then I executed the “erase” command and the “flash” command.
The arduino disappeared from the list of serial devices. I followed the instructions here ( ) to enable DFU programming mode. I have a Mega 2560, and I’ve been unable to get the solution described here to work. Till then I’ll be updating fw for those who will request that ? Please stay tuned, there will be a blog post about this soon.Īpril 5th, 2011 at problem, I will wait for that info. Gianluca is aware this information is needed, but he is very busy this week making sure the production reaches the distributors.
Nettigo: We will be posting the serial numbers of the boards bringing the new software. If it is being shipped with updated fw – starting from which serial n/o fw update is not needed for UNO and 2560? Is updated firmware shipped on new boards now or still we need to fix 8u2 fw for linux users (new UNO boards I have got recently seems to work with my linux out of the box, but I would like to be sure)? I Advice you to look on the forum, this shuold be well explained! Hey folks, I have a question concerning the tut (I hope someone can answer): Do I need to unsolder the 10k resistor after reprogramming the ATmega 8U2? Follow dfu-programmer instructions from the tutorial. The RX (and maybe the TX?) LED should blink.Ħ. Briefly touch other end of wire 2 to left side of capacitor near the N of RESET-EN on the top of the board. Hold other end of wire 1 on upper left pad (of 6) near the Y in ITALY on the top of the board.Ĥ. The picture on the linked tutorial doesn’t explain where to put the resistor on the 2560, so here’s what I did based on stuff I found in a forum post:ģ. i updated the firmware using this site: īoth work fine now. Hi, i own 2 new uno – both not the smd-version. It doesn’t sound like I need to upgrade my firmware, but is there a way that I can determine whether or not my 8U2 has the new firmware or not?
I have a recent SMD Uno, and use Mac OS X. If you’re having trouble getting uploading to work at all, please post on the forum. You shouldn’t follow them if you just want to update the USB-serial firmware using the DFU bootloader that’s already on the 8U2.
The instructions for upgrading the firmware using avrdude are for writing both the DFU bootloader and the USB-serial firmware with an ISP (in-system programmer). You do also need the resistor on the Mega 2560 (or to simply hold a wire across the pads of the solder jumper). I followed these instructions and got an lfuse verification error, but I think my board is working now.
Do I need to use the resistor?Īlso, at the github link, there’s a readme that says how to upgrade the firmware using avrdude. It’s not clear if you need the resistor for the Mega 2560.
It says that you need to put in the resistor if your board is not an UNO SMD, and then it shows what to do on the regular UNO. can anyone please help me on what to download or what applications i need to make this graph? Thanks alot. I am new here.but i am sending temperature and heart rate data from my fio + xbee to X-ctu and would like to graph this data in real time. I’ll post this on the forum but thought maybe is something to add to this post.
For the first time, Arduino uno appeared in serial port (using 0021 on Ubuntu 10 ) but when I tried to upload Blik:Īvrdude: stk500_getsync(): not in sync: resp=0xf9Īvrdude: stk500_recv(): programmer is not responding You can leave a response, or trackback from your own site.ġ7 Responses to “Fix to Uno and Mega 2560 Linux serial problems” You can follow any responses to this entry through the RSS 2.0 feed.