Running mbed BLE example without debugger attached?

[Daniel Schuler]

I'm using the nRF52 DK with mbed, running the heart rate monitor demo app.

When I disconnect the board from the PC and attach a USB power supply instead, the nRF52 won't boot. Re-attaching to the PC and power cycling causes it to boot again.

Is there a flag that must be set to run the nRF52 in standalone / no debugger mode?

Sorry if this question has been asked before, but I couldn't find any info on this.

[Matt]

Try another USB power supply.

[MartinBL]

Have you tried Matt 's suggestion? Have you made any progress? It shouldn't be necessary to set any flags.