Project does not do serial output

[jlienau03]

code.zip

Hi,

I've created a project combining gps, nvs, and mqtt based off the nrf and zephyr project samples. I've been able to go into the sample projects and add .overlay files to the project and spm sample to output to another UART, but in my combined project it will only output through the Jlink on the LTE Link Monitor and not to the UART I defined. The project loads and builds without error. I have tried with a fresh install of nRF Connect SDK and all dependencies and am on v1.0.0.

CMakeLists

cmake_minimum_required(VERSION 3.8.2)

include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
project(new_sample)

# NORDIC SDK APP START
target_sources(app PRIVATE src/main.c)

# new stuff
target_include_directories(app PRIVATE $ENV{ZEPHYR_BASE}/subsys/fs/nvs C:/Users/user/Desktop/includes)

target_sources(app PRIVATE C:/Users/user/Desktop/includes/button.c)
target_sources(app PRIVATE C:/Users/user/Desktop/includes/gps_.c)
target_sources(app PRIVATE C:/Users/user/Desktop/includes/led.c)
target_sources(app PRIVATE C:/Users/user/Desktop/includes/mqtt_.c)


# NORDIC SDK APP END

prj.conf

# General config
CONFIG_ASSERT=y
CONFIG_TEST_RANDOM_GENERATOR=y

# BSD library
CONFIG_BSD_LIBRARY=y

# AT host library
CONFIG_AT_HOST_LIBRARY=y

# above is from at_client

# nvs
CONFIG_FLASH=y
CONFIG_FLASH_PAGE_LAYOUT=y

CONFIG_NVS=y
CONFIG_LOG=y
CONFIG_LOG_DEFAULT_LEVEL=4
CONFIG_NVS_LOG_LEVEL_DBG=y
CONFIG_REBOOT=y
CONFIG_MPU_ALLOW_FLASH_WRITE=y

# gps
CONFIG_NEWLIB_LIBC=y
CONFIG_NEWLIB_LIBC_FLOAT_PRINTF=y

# uart
CONFIG_SERIAL=y
CONFIG_TRUSTED_EXECUTION_NONSECURE=y
CONFIG_MAIN_STACK_SIZE=4096
CONFIG_UART_0_NRF_UARTE=y
CONFIG_UART_INTERRUPT_DRIVEN=y

# mqtt
CONFIG_HW_STACK_PROTECTION=y
CONFIG_IMG_MANAGER=y
CONFIG_BOOTLOADER_MCUBOOT=y
CONFIG_MQTT_LIB=y
CONFIG_MQTT_LIB_TLS=y
CONFIG_FLOAT=y
CONFIG_CLIENT_ID_MAX_LEN=64

# fota
CONFIG_AWS_FOTA=y
CONFIG_NRF_DOWNLOAD_CLIENT_STACK_SIZE=4096
CONFIG_HEAP_MEM_POOL_SIZE=4096

# networking and sockets
CONFIG_STDOUT_CONSOLE=y
CONFIG_NETWORKING=y
CONFIG_NET_SOCKETS_OFFLOAD=y
CONFIG_NET_SOCKETS=y
CONFIG_NET_SOCKETS_SOCKOPT_TLS=y
CONFIG_NET_SOCKETS_POSIX_NAMES=y

# lte
CONFIG_LTE_LINK_CONTROL=y
CONFIG_LTE_AUTO_INIT_AND_CONNECT=n

nrf9160_pca10090ns.overlay

/* Needed to get NRF_UARTE2 and NRF_PWMn defined. */
&uart2 {
	status = "ok";
};

&uart0 {
	current-speed = <115200>;
	status = "ok";
	tx-pin = <11>;
	rx-pin = <12>;
	rts-pin = <13>;
	cts-pin = <14>;
};

nrf9160_pca10090.overlay in spm sample

/* Needed to get NRF_UARTE2 and NRF_PWMn defined. */
&pwm1 {
	status = "ok";
};

&pwm2 {
	status = "ok";
};

&pwm3 {
	status = "ok";
};

&uart2 {
	status = "ok";
};

&uart0 {
	current-speed = <115200>;
	status = "ok";
	tx-pin = <11>;
	rx-pin = <12>;
	rts-pin = <13>;
	cts-pin = <14>;
};

I've attached a zip of my main.c and includes. I left out the certificates.h and kconfig

Thanks

[Bjørn Kvaale]

Have you remembered to open a new build folder after you made changes in the project configuration. Also when you added the overlay files. Make the changes & then open a new example project & just change the build folder from build to build1 for example. This oftentimes solves the problem.

Also, could you check to make sure that the changes you made are noticeable in this file: nrf\applications\asset_tracker\build1\zephyrnrf9160_pca10090ns.dts_compiled (i.e. the dts_compiled file inside your build folder of your own example).

[jlienau03]

I probed all the pins on the DK (P.010, P0.11, P0.12, P0.13) and none of them show any indication of them being configured improperly.  They all seem to be at the correct potential.  It seems that the nRF9160 just isn’t outputting anything.

I also tried connecting via the nRF Connect program just to make sure the VCOM ports weren’t taking over, but nothing is output there either.

I’ve previously used these same pins and same overlay file to setup and run the UART example.  So I’m thinking it’s something in the conf file that's causing the issue but I’m not sure what.