报错提示:flash download failed --- cortex m4,原因:This is a typical error you would see in Keil if you are trying to flash a non-softdevice example to a DKcontaining a softdevice.
擦除开发板固件,然后重新刷写固件
nrfjprog -e
报错提示:flash download failed --- cortex m4,原因:This is a typical error you would see in Keil if you are trying to flash a non-softdevice example to a DKcontaining a softdevice.
擦除开发板固件,然后重新刷写固件
nrfjprog -e