Source code to build rtcwake application for Linux

• Add your own Makefile to build. To build for your desktop, use this command gcc -o rtcwake rtcwake.c -I.
• Use below command to excute

rtcwake -m $(sleep_method) -s $(seconds)

Or call through system()

system("/root/rtcwake -m mem -s 10");

• More information about rtcwake: https://man7.org/linux/man-pages/man8/rtcwake.8.html