running bt_enable return -2

[sunnyyang]

hi professor,

According to peripheral project of nrf connect sdk 1.4.99, I add some function to achieve  spi and usb and filesystem.But the ble run abnormal.When run bt_enable,return -2. Can u give me some advice?

5074.prj.conf

[helsing]

Hi,

Are you able to run any of the other Bluetooth samples? Please run one of the other samples. If you get similar errors this could indicate that you might need to flash the network core of nRF5340. Here is a similar case .

Best regards,

Håkon

[sunnyyang]

Hi helsing,

If I delete CONFIG_NO_OPTIMIZATIONS=y and CONFIG_SETTINGS=y in my prj.conf. The ble will work normal.But In my project,I have to use CONFIG_NO_OPTIMIZATIONS=y.Please give me help.