Error: 'AT+CFUN? ' timed out in the LTE link monitor

RE: Error: 'AT+CFUN? ' timed out in the LTE link monitor

Achim Kraus — Mon, 19 Jun 2023 16:12:17 GMT

DK is just used instead of a SEGGER Jlink, it's half the price ;-).

RE: Error: 'AT+CFUN? ' timed out in the LTE link monitor

Didrik Rokhaug — Mon, 19 Jun 2023 15:49:41 GMT

Which board are you building for when using the DK?

nrf9160dk_nrf9160_ns?

RE: Error: 'AT+CFUN? ' timed out in the LTE link monitor

User_PP — Mon, 19 Jun 2023 14:10:36 GMT

Yes it works for the Icarus, I am only using DK as a flashing device so it is ok even if it's not working.

RE: Error: 'AT+CFUN? ' timed out in the LTE link monitor

Didrik Rokhaug — Mon, 19 Jun 2023 12:19:54 GMT

And when you build for actinius_icarus_ns it works for the Icarus?

But you are still not able to use the nRF91 DK?

Are you building for the same board when you try to use the DK?

RE: Error: 'AT+CFUN? ' timed out in the LTE link monitor

User_PP — Thu, 15 Jun 2023 11:42:01 GMT

I am building for actinius_icarus_ns

RE: Error: 'AT+CFUN? ' timed out in the LTE link monitor

Didrik Rokhaug — Thu, 15 Jun 2023 11:41:19 GMT

What board are you building for?

Are you building for the non-secure versions of the boards (with _ns at the end of the name)?

The modem in the nRF9160 is only accessible from the non-secure domain, so to use the modem, the application must be built as non-secure.

RE: Error: 'AT+CFUN? ' timed out in the LTE link monitor

User_PP — Thu, 15 Jun 2023 11:25:20 GMT

I kind of solved it by adding CONFIG_TFM_BUILD =Y for icarus, so now I am able to send AT commands to icarus but with the dk I am still not able to send and receive the AT commands.

RE: Error: 'AT+CFUN? ' timed out in the LTE link monitor

Didrik Rokhaug — Thu, 15 Jun 2023 11:04:47 GMT

I see you have opened a new ticket, where you are able to send AT commands.

Does that mean that this ticket can be closed?

And if so, it would be nice if you could share what you did to solve your problem.

RE: Error: 'AT+CFUN? ' timed out in the LTE link monitor

User_PP — Wed, 14 Jun 2023 11:39:04 GMT

Hi Didrik,

I used visual studio to flash the code into the icarus board by using nrf9160 dk. That's all. I used AT client sample to program the board as mentioned above.

RE: Error: 'AT+CFUN? ' timed out in the LTE link monitor

Didrik Rokhaug — Wed, 14 Jun 2023 11:18:33 GMT

Hi,

How did you program the board? Did you use a debugger, or the bootloader that was on the board from the factory?

Which file did you program to the board?

Best regards,

Didrik

RE: Error: 'AT+CFUN? ' timed out in the LTE link monitor

User_PP — Tue, 13 Jun 2023 14:58:19 GMT

Yes, I checked both of them are enabled in the proj.config

#
# Copyright (c) 2019 Nordic Semiconductor ASA
#
# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
#
# General config
CONFIG_ASSERT=y

# Network
CONFIG_NETWORKING=y
CONFIG_NET_NATIVE=n
CONFIG_NET_SOCKETS=y
CONFIG_NET_SOCKETS_OFFLOAD=y
CONFIG_NET_SOCKETS_POSIX_NAMES=y

# Modem library
CONFIG_NRF_MODEM_LIB=y

# AT host library
CONFIG_AT_HOST_LIBRARY=y
CONFIG_UART_INTERRUPT_DRIVEN=y

# Stacks and heaps
CONFIG_MAIN_STACK_SIZE=3072
CONFIG_HEAP_MEM_POOL_SIZE=16384

RE: Error: 'AT+CFUN? ' timed out in the LTE link monitor

Achim Kraus — Tue, 13 Jun 2023 14:43:49 GMT

Did you try to enable the at-host support?

# AT host
CONFIG_AT_HOST_LIBRARY=y
CONFIG_UART_INTERRUPT_DRIVEN=y