http://processors.wiki.ti.com/index.php/Tutorial:_How_to_Create_a_Custom_Bluetooth_Smart_Embedded_Application_with_the_CC2650DK
define 128-bit UUID : F000-EE00-0451-4000-B000-000000000000
define Characteristic 1 Properties : Read
define Characteristic 2 Properties : Write / Notify
define Characteristic 3 Properties : Read
1.Advertising Packet
2.Central(Android phone) connection with CC2541
3.Check characteristic properties
4.Read characteristic 1 default value
5.Peripheral (CC2541) set characteristic 1 value:
6.Read characteristic 1 Value
7.Central (Android phone ) write data to peripheral (CC2541)
8.Peripheral (CC2541) receive the write data
9.Enable Notification
10.Peripheral (CC2541) send notification data to central (Android phone )
11.Central receive the notification data
12.Read characteristic 3 default value
13.Peripheral (CC2541) set characteristic 3 value
14.Read characteristic 3 value
