![]() 'history' goes back a few months so I have an audit trail (the 273 items are several months old)! Everything in normal text failed, those in blue bold are from today and were successful:Ģ73 bossac -e -w -v -b Ģ74 bossac -e -w -v -b Ģ75 bossac -e -w -v -b Ģ76 bossac -e -w -v -b Ģ77 bossac -e -w -v -b Ģ78 bossac -e -w -v -b -p /dev/tty.usbmodem142411 Ģ79 bossac -e -w -v -b -p /dev/tty/usbmodem142411 Ģ80 bossac -e -w -v -b -p /dev/tty.usbmodem142411 Ģ81 bossac -e -w -v -b -p tty.usbmodem142411 Ĥ58 bossac -p /dev/tty.usbmodem1444421. I can also leave off the -port option and it will successfully auotscan and find it which is odd since I tried autoscan and it failed. Mac - /Users//Library/Arduino15/packages/arduino/tools/bossac/1.3a-arduino and they all work. Ubuntu - an invisible '.Arduino15' folder is created in your user 'home' folder. 'AppData' is a hidden folder, so to see this you will need to 'show hidden files, folders and drives' in the Windows Explorer > Tools > Folder options > Views > Advanced settings. Windows - C:\Users\AppData\Roaming\Arduino15\packages\arduino\tools\bossac\1.3a-arduino If you want to use Arduino 1.6.2 or later, install it, then install support for the 'Arduino SAM-based boards' (like the Due and Duet) by going to Tools > Board > Boards Manager. The easiest thing to do is to use the old version of Arduino IDE v1.6.1 (from So I still can't replicate the problem! What Mac are you using? Look in Apple Menu > About this Mac, then for the model identifier (eg MacBook Pro 6,2), look at the first page of the System Information. I can install Arduino, flash the board with bossac, and then it comes back as before. This was the same as I saw on my other MBP with OS X 10.9. ![]() Once the firmware is erased, even without Arduino installed, it's seen as: With the 1.09 firmware on the Duet, OS X sees it in the System information as: I've just done a fresh install of OS X 10.10.3 on a Macbook Pro 6,2 (Mid 2010). Thanks for replying, I was trying to remember who it was! I was talking to zombiepantslol about this at the end of last week, but we can't seem to replicate the problem. The Duet should then work again on the Mac.Įdited 1 time(s). The current workaround is to flash the Duet on a Windows or Linux PC, or running in Boot Camp (not VM, as the USB port won't be passed through to the VM). Any other suggestions gratefully received. I haven't been able to prove if this is correct, though. It could be that the device ID of a Duet with no firmware is not being recognised, so OS X effectively ignores it. I have also wondered if it's something to do with Security preferences I don't know if it's relevant, but I always have 'System Preferences > Security & Privacy > General > Allow apps downloaded from:' set to 'Anywhere'. Let me know which version of Mac OS X you are using, and what Mac it's running on. If you have problems, or if you actually can flash your Duet with your Mac with OS X 10.10 (positive reports may be helpful too!), please post here. There have been issues in the past with (there's a long thread here about a guy who just couldn't flash the Duet on his Mac: ), but generally it seemed to work fine in the more recent versions of Mac OS X, or at least I didn't hear of any problems. The customers report that they have OS X 10.10.3. I have no problem erasing and flashing Duets. I have a late 2013 MacBook Pro Retina running OS X 10.9.5 'Mavericks' (I haven't updated to 10.10 yet). I'm trying to work out why this is happening. There are, apparently, examples of this happening with Arduino Due boards as well. It disappears off the list of USB devices (System Information > USB ), can't be found by bossac, and will not reappear. I've had a couple of users report that, while they are able to connect to the Duet with their Mac when it has firmware installed, via Arduino IDE and/or Pronterface, as soon as they press the 'erase' and 'reset' buttons on the Duet, they can no longer connect to it.
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