AT_SLAVE ported to Canarin.
STM32CubeExpansion_LRWAN_V2.0.0 (en.i-cube_lrwan.zip) from I-CUBE-LRWAN. Updated from icube-lrwan-canarin which was based on STM32CubeExpansion_LRWAN_V1.3.1.
Add macro CANARIN_4 in the IDE of your choice to use USART1 instead of LPUART1.