do i need to flash softdevice s140 when programming the nrf52840 dongle using another development board as debugger ?

[ziv123]

hello Nordic

i want to use the bl652 laird development board (nrf52832) as a debugger  for the nrf52840 dongle 

i have been working with that board allready so it has the s132 softdevice on it, maybe its a stupied question but i want to be sure the softdevice is flashed to the SOC and not on some local board memory

i have 2 question:

1. do i need to flash the s140 to the nrf52840 dongle before programing it and using the s140 examples ? if so what will be the easy way to do that ?

2.  if i would like to later use the usb on the dongle as a virtual serial port on my pc, how can i simulate a uart port when the dongle is connected and debugged via the development board ?

if you are not familiar with the bl652 then for answering consider i am using the 10040 board

best regards

Ziv 

[haakonsh]

1. do i need to flash the s140 to the nrf52840 dongle before programing it and using the s140 examples ? if so what will be the easy way to do that ?

 Yes. The easiest way is to use the USB bootloader and the Programmer app in nRF Connect For Desktop.

 

2.  if i would like to later use the usb on the dongle as a virtual serial port on my pc, how can i simulate a uart port when the dongle is connected and debugged via the development board ?

 You need to use the USB CDC library, see the USB CDC example in the SDK.