nRF9160 DK: Offloading Bluetooth Low Energy related tasks to nRF52840 SoC

RE: nRF9160 DK: Offloading Bluetooth Low Energy related tasks to nRF52840 SoC

dtquang89 — Mon, 05 Jul 2021 09:47:14 GMT

I have questions regarding the communication between nRF52 and nRF91.

1. Is this UART connection similar to enable interface between two chips, by adding the below line on overlay file?

[embed:dc8ab71f-3b98-42d9-b0f6-e21e02a0f8e2:17099f24-56d9-4914-8463-48a5b76e9b75:type=c_cpp&text=%23include%20%3Cnrf9160dk_uart1_on_if0_3.dtsi%3E]

2. In my application, I am using NUS service, and using uart0. Now I want to create another uart, uart1, in order to pass the data I received from BLE on nRF52 to nRF91, and send it over LTE network. But on the nRF52 side, I think it is not working. Probably there is something wrong with the device tree or configuration, since I got the device.

Do you have any idea? Thank you very much.

RE: nRF9160 DK: Offloading Bluetooth Low Energy related tasks to nRF52840 SoC

dtquang89 — Mon, 05 Jul 2021 07:55:29 GMT

Thank you for interesting approach.

RE: nRF9160 DK: Offloading Bluetooth Low Energy related tasks to nRF52840 SoC

Brett — Mon, 31 May 2021 10:33:47 GMT

Not sure if I should post here, or to the community in general, but .....

What you have created is basically what I am looking for, a simple way to pass data between the 9160 & 52840. I have pulled the above code, where the 9160 compiles and installs fine, but the 52840 gives an error with respect to CONFIG_BOARD_NRF9160DK_INTERFACE0_MCU=y and CONFIG_BOARD_NRF9160DK_INTERFACE1_MCU=y

/code/sdk-nrf/samples/nrf9160/nrf9160dk_serial/nrf52840/prj.conf:7: warning: attempt to assign the value 'y' to the undefined symbol BOARD_NRF9160DK_INTERFACE0_MCU

Did you run into this error - as I didnt see anything in the community when I searched for the error.

I am running on the 9160dk.

RE: nRF9160 DK: Offloading Bluetooth Low Energy related tasks to nRF52840 SoC

Thomas Page — Fri, 15 Jan 2021 15:05:30 GMT

This is a really interesting article. How difficult would it be to have a similar approach to other HA protocols?