-mcpu=cortex-m33
-mthumb
-mfloat-abi=hard
-mfpu=fpv5-sp-d16
-fmessage-length=0
-fsigned-char
-ffunction-sections
-fdata-sections
-Wunused
-Wuninitialized
-Wall
-Wextra
-Wmissing-declarations
-Wconversion
-Wpointer-arith
-Wshadow
-Wlogical-op
-Waggregate-return
-Wfloat-equal
