Remove the useless module files
Update README.md
Update AUTHORS
Start writting the new Makefile
Remove the useless function and some comments
Add the MEMS sensors definition
Initialize the PID parametes with function PID_Init
Remove the files which deleted in past
Remove the KEY Button function
Finish writting the new Makefile
Merge branch 'new_makefile'
Makefile: remove the deleted files
Makefile: remove the useless variable "INCLUDE"
Change the FPU mode back to hard mode
Update .gitignore
Fix the compiler warnings
[Warning!]Fix the dangerous wrong PID parameters
Merge pull request #74 from shengwen1997/master

New makefile, modify the PID_Init function