either Windows (or the terminal program) gets confused and then refuses to work with that port again, until you close/reopen your program. WHY? Because when the terminal program is open and a USB-based COM: port suddenly disappears. IF point #(3) applies to you, and you are using a terminal program (I use RealTerm), it's also important to close the terminal program and then reopen it after your DUE has uploaded and restarted.I'm not sure if it's just the "USB-disconnect" handling by Windows, or the playing of the Windows sound which notifies you that "hey! a usb device was just unplugged" (or both). It seems to me that the "USB device disconnect" process on the host Windows-PC is interfering with the timing on the USB-PROGRAMMING port and the BOSSAC uploader software.
ARDUINO DUE PC
When a download is initiated (via the USB-PROGRAMMING port), the native USB port "disconnects", as far as your host PC is concerned.
ARDUINO DUE SERIAL
If you are using the DUE's native USB port (for example, to dump out serial diagnostic info like I often do), it's important to UNPLUG this USB cable before an upload. Like I mention below in #3, I think the hub is introducing a timing problem with BOSSAC. Don't go through a hub! Using a hub doesn't make uploading impossible, but reeeealllyy makes it prone to failure. It is the first Arduino board based on a 32-bit ARM core microcontroller. It will handle the DUE's "erase" button for you, which is more convenient that having to press that yourself frequently.įor your programming USB cable, make sure to plug that into a native USB port on your PC/laptop. Arduino Due Arduino Due Front Arduino Due Back Overview The Arduino Due is a microcontroller board based on the Atmel SAM3X8E ARM Cortex-M3 CPU (datasheet). Frustrating!Īfter a lot of Googling, and methodically shotgunning this problem, I think I've found a combination of things that helps with DUE upload reliability (at least on my Win7-圆4 host PC):Īlways use the DUE "programming" port for uploads. Eventually I'd get the DUE to upload successfully again. The Arduino MKR Connector Carrier has input level conversion on analog inputs and logic level conversion on digital pins. It pretty much blows away the Due in every way. I'd then reset the DUE, press the erase button, restart the IDE, unplug/replug USB cables. It is an Arduino-IDE-compatible 5V tolerant microcontroller board with a whopping 256Kb of SRAM and 64 digital inputs. I'd often get the dreaded "An error occurred while uploading the sketch" message. It could be considered as a professional board considered UNO as a beginner board. DUE board not only has tons of features but also has terrific processing speed making it suitable for advanced applications. The one major headache has been with the upload process. ARDUINO DUE board is one of the most powerful development boards in the ARDUINO series. In the past 3 weeks, I've been able to get my new DUE to do everything I want.
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