You have to use the serial terminal (Baud rate of 115200) to configure the board by sending commands. The application will then store the parameters in flash memory. You have to restart the device to update the changes.

Wifi

McuMinINI write settings.ini WiFi ssid "YOUR_SSID"
McuMinINI write settings.ini WiFi pass "YOUR_PASSWORD"

MQTT

Broker informations:

McuMinINI write settings.ini MQTT broker "BROKER_NAME"
McuMinINI write settings.ini MQTT user "USERNAME"
McuMinINI write settings.ini MQTT pass "PASSWORD"

Topic names:

McuMinINI write settings.ini MQTT topic_sensor_update "<user>/<room>/<device>/update"
McuMinINI write settings.ini MQTT topic_send_measurement "<user>/<room>/<device>/cmd/measure"

Build

Project has Debug, Release and Test targets, using CMake Presets.

Configure:

cmake --list-presets
cmake --preset Debug
cmake --preset Release
cmake --preset Test

Build:

cmake --build --list-presets
cmake --build --preset app-debug
cmake --build --preset app-release
cmake --build --preset app-test

Test:

ctest --list-presets
ctest --test-dir build/Test -R Led_1

Worflow:

cmake --workflow --list-presets