TI CC254x Bluetooth Low Energy Software Developer’s Guide SWRU271F Version 1.3.1
Copyright © 2010-2013 Texas Instruments, Inc.
REFERENCES .............................................................................................................................................. 4
USEFUL LINKS ............................................................................................................................................ 4
1 OVERVIEW........................................................................................................................................... 5
1.1 INTRODUCTION ................................................................................................................................. 5
1.2 BLE PROTOCOL STACK BASICS........................................................................................................ 5
2 TEXAS INSTRUMENTS BLE SOFTWARE DEVELOPMENT PLATFORM ............................. 6
2.1 CONFIGURATIONS ............................................................................................................................. 6
2.2 PROJECTS ......................................................................................................................................... 8
3 SOFTWARE OVERVIEW ................................................................................................................... 9
3.1 OPERATING SYSTEM ABSTRACTION LAYER (OSAL)........................................................................ 9
3.1.1 Task Initialization .................................................................................................................. 10
3.1.2 Task Events and Event Processing ........................................................................................ 10
3.1.3 Heap Manager ....................................................................................................................... 10
3.1.4 OSAL Messages ..................................................................................................................... 11
3.2 HARDWARE ABSTRACTION LAYER (HAL) ..................................................................................... 11
3.3 BLE PROTOCOL STACK .................................................................................................................. 12
3.3.1 Generic Access Profile (GAP) ............................................................................................... 12
3.3.2 Generic Attribute Profile (GATT) .......................................................................................... 14
3.3.3 Using the GAP and GATT Stack API ..................................................................................... 16
3.3.4 GATT Server Application API ............................................................................................... 17
3.3.5 Library Files .......................................................................................................................... 17
3.4 PROFILES ........................................................................................................................................ 18
3.4.1 GAP Peripheral Role Profile ................................................................................................. 18
3.4.2 GAP Peripheral / Broadcaster Multi-Role Profile ................................................................ 19
3.4.3 GAP Central Role Profile ...................................................................................................... 19
3.4.4 GAP Bond Manager............................................................................................................... 20
3.4.5 Simple GATT Profile .............................................................................................................. 21
3.4.6 Simple Keys GATT Profile ..................................................................................................... 23
3.4.7 Device Information Service.................................................................................................... 24
3.4.8 Additional GATT Profiles ...................................................................................................... 25
4 WORKING WITH PROJECTS USING IAR EMBEDDED WORKBENCH 8.10.4 .................... 25
4.1 IAR OVERVIEW .............................................................................................................................. 25
4.2 USING IAR EMBEDDED WORKBENCH ............................................................................................ 25
4.2.1 Open an Existing Project ....................................................................................................... 25
4.2.2 Project Options, Configurations, and Defined Symbols ........................................................ 26
4.2.3 Building and Debugging a Project ........................................................................................ 29
4.2.4 Linker Map File ..................................................................................................................... 31
4.3 SIMPLEBLEPERIPHERAL SAMPLE PROJECT .................................................................................... 32
4.3.1 Project Overview ................................................................................................................... 32
4.3.2 Initialization ........................................................................................................................... 34
4.3.3 Periodic Event ....................................................................................................................... 34
4.3.4 Peripheral State Notification Callback .................................................................................. 34
4.3.5 Key Presses (CC2540/41DK-MINI Keyfob only) .................................................................. 34
4.3.6 LCD Display (CC2540/41 Slave only) ................................................................................... 35
4.3.7 Complete Attribute Table ....................................................................................................... 35
4.4 SIMPLEBLECENTRAL SAMPLE PROJECT ........................................................................................ 38
4.4.1 Project Overview ................................................................................................................... 38
4.4.2 User Interface ........................................................................................................................ 38
4.4.3 Basic Operation ..................................................................................................................... 39
4.4.4 Initialization ........................................................................................................................... 39
4.4.5 Event Processing ................................................................................................................... 39
4.4.6 Callbacks ............................................................................................................................... 40
4.4.7 Service Discovery .................................................................................................................. 40
4.5 HOSTTESTRELEASE NETWORK PROCESSOR PROJECT .................................................................... 40
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