Gordon Luk

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10 years, 2 months 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, 2 months 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
10 years ago.

Any news with this?! Thanks!

Workaround can be found here.

posted by Adam Green 12 Dec 2014
Takuo WATANABE
10 years 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/