This project implements a simple function of lighting the red LED or green LED.
When generating app1's firmware, please use firmware1.sct file as the linker file and set the APP1_ENABLE macro definition to 1.
When genarating app2's firmware, please use firmware2.sct file as the linker file and set the APP1_ENABLE macro definition to 0.

note: Increase the value of FW_VERSION every time you want to generate a new firmware.

For more details, please refer to AN12373.
