Gordon Luk

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10 years, 1 month ago.

Problems with mbed on OSX Yosemite, Read Only (nRF51822)

After upgrade to Yosemite. The mbed driver become read only.

I tried commands to make it read & write, manual copy file to mbed drive as below: sudo mount -u -w -o sync /Volumes/MBED cp xxx.hex to /Volumes/MBED/.

After nRF51822 auto remount MBED, it appeared below file

fail.txt --- SWD ERROR

Please help, thanks.

Question relating to:

Last updated: 27 Aug 2020
The nRF51822-mKIT is a low cost ARM mbed enabled development board for Bluetooth® Smart designs with the nRF51822 SoC. The kit gives access to all GPIO pins via pin headers …

Thanks for the report. A few other are noting similar behavior. Should have more details soon

posted by Sam Grove 22 Oct 2014

3 Answers

Austin Blackstone
10 years, 1 month ago.

The issue has been recognized and raised here https://github.com/mbedmicro/CMSIS-DAP/issues/69 . We are in the process of fixing it. Please sit tight and we should have a fix out soon.

-Austin Team mbed

Thanks, wait your good news.

posted by Gordon Luk 27 Oct 2014
Jorge Bueno
9 years, 11 months ago.

Any news with this?! Thanks!

Workaround can be found here.

posted by Adam Green 12 Dec 2014
Takuo WATANABE
9 years, 11 months ago.

Try -X option with cp command.

cp -X yourfile.hex /Volumes/MBED

Cf. https://developer.mbed.org/users/takuo/notebook/copying-bin-files-to-frdm-kl25z46z-using-cpmv-comm/