[chbot] ATSAMD21 programmer

[Mark Atherton]

Thanks, but the SAM series is quite different.

See you Monday eve ??

-Mark


On 19/01/2020 2:54 PM, Mark Beckett wrote:
>
> Not sure if this will help
>
> https://learn.sparkfun.com/tutorials/pro-micro--fio-v3-hookup-guide/troubleshooting-and-faq#faq-vid
>
>
> On 19/01/20 12:28, Mark Atherton wrote:
>> Just compiled an Arduino LoRaWAN demo sketch, and programmed it into 
>> a SparkFun SAMD21 Pro RF.
>>
>> Post programming, the blue LED appears to be on (or flashing fast), 
>> and the Arduino IDE is no longer able to find/program the unit.
>>
>> Win7 Device Manager reports the USB device under 'Other devices' 
>> "Sparkfun SAMD21 Pro RF" with a VID of 1B4F, and PID 214F there is 
>> also a yellow exclamation point indicating that the associated USB 
>> drivers have not been installed.
>>
>> A search of the web indicates that the bootloader has been corrupted, 
>> but I am surprised that the hardware can still enumerate a USB device 
>> - mind you, I know nothing about this processor.
>>
>> -----
>>
>> So the short-and-sweet question: anyone seen/fixed this issue before, 
>> it seems like a popular way of bricking these (expensive) boards.
>>
>> I have found the bootloader hex/binary, and fetched a copy of Atmel 
>> Studio (870MB), just need to find a cheap, readily available, and 
>> compatible programmer.
>>
>> Comments please.
>>
>> Regards, Mark
>>
>>
>>
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