I am trying to use SEGGER_RTT_printf with SDK12 in eclipse. I have added the appropriate lines to the makefile and SEGGER_RTT_WriteString works fine. My Makefile lines: SRC_FILES += \ $(SDK_ROOT)/external/segger_rtt/RTT_Syscalls_GCC.c \ $(SDK_ROOT)/external/segger_rtt/SEGGER_RTT....