Terms and Definitions¶
Bluetooth Low Energy Terms and Acronyms¶
- BLE
- Bluetooth Low Energy
- BR
- Basic Rate
- BR/EDR
- Basic Rate/Enhanced Data Rate
- CCCD
- Client Characteristic Configuration Descriptor
- Device Address
- A 48-bit value used to identify a device. A device address can be public, random static, or random private.
- GAP
- Generic Access Protocol
- GFSK
- Gaussian Frequency-Shift Keying
- HCI
- Host Control Interface
- Identity Address
- IA
- A Resolvable Private Address that is resolveable with an Identity Resolving Key yields an Identity Address.
- Identity Resolving Key
- IRK
- A key exchanged during Phase 3 of the bonding process. A Resolving List contains a local and a peer Identity Resolving Key as well as an Identity Address.
- ISM
- Industrial, Scientific, and Medical
- L2CAP
- Link Logical Control and Adaption Protocol
- LE
- Low Energy
- Link Layer
- LL
- A Bluetooth low energy stack layer in on the controller side.
- LTK
- Long Term Key
- A term defined by the Bluetooth Core Specification Version 4.2 referring to the key used for encypted connections.
- PHY
- Physical Layer
- Resolving List
- RL
- A Link Layer maintained table of one or more entries of a local and peer Identity Resolving Key associated to an Identity Address.
- Resolvable Private Address
- RPA
- A resolvable address is one that can be resolved given that the device has an Identity Resolving Key. By resolving a Resolvable Private Address one can determine its Identity Address.
- White List
- WL
- A filter policy in the Controller’s Link Layer that can prevent unwanted link layer events from waking up the host.
- Long Term Key
- LTK
- A symmetric 128-bit key that is used to encrypt an encrypted BLE link.
General Terms and Acronyms¶
- BIM
- Boot Image Manager, the software bootloader
- .bss
- Block started by symbol. This memory section usually contains uninitialized variables including the task stacks.
- CCA
- CCFG
- Customer Configuration
- CCFG
- Customer Configuration Area, contains lock-bits on flash page 31 and the Customer Configuration Table (.ccfg)
- CCS
- Code Composer Studio
- GPRAM
- General purpose RAM. This memory area is used for the cache per default, but can be configured to be used as RAM.
- HIB
- Halt In Boot. A mechanism in CC26xx and CC13xx devices to ensure that the external emulator can take control of the device before it executes any application code.
- IAR
- IAR Systems
- MCU
- Micro-controller Unit
- OAD
- Over the Air Download
- RCFG
- TI-RTOS in ROM Configuration Table
- ROM
- Read-only Memory
- SNV
- Simple Non-Volatile storage
- SNP
- Simple Network Processor, a BLE network processor implementation that supports the peripheral and broadcaster GAP Roles.
- Network Processor
- NP
- A device that contains the wireless protocol stack as well as RF hardware. Stack functionality is exposed via a serial interface.
- Application Processor
- AP
- An processor that implements the customer application as well the serial command interface to communicate with a network processor.
- UNPI
- Unified Network Processor Interface, a standardized serial transport format that is implemented by TI for the purposes of interfacing to network processor devices like the SNP. UNPI also manages the handshaking required for the serial interface.
- RTSC
- Real Time Software Components. See RTSC and RTSC-Pedia.
- VIMS
- Versatile Instruction Memory System. A system control module that handles access to the device memory areas from the CPU and system bus. You can read more in the Technical Reference Manual .
- cJTAG
- Class 4 IEEE 1149.7: Standard for Reduced-pin and Enhanced-functionality Test Access Port and Boundary-scan Architecture. This is known by acronym cJTAG (compact JTAG).
- JTAG
- IEEE standard 1149.1: Standard Test Access Port and Boundary Scan Architecture Test Access Port (TAP). This standard is known by the acronym JTAG (Joint Test Action Group).
TI-RTOS Terms and Acronyms¶
- Hwi
- A TI-RTOS Hardware interrupt.
- Idle Task
- A TI-RTOS default task that is executes when no other higher priority thread needs to run.
- ROV
- Runtime Object View
- A TI-RTOS kernel plugin for CCS and IAR to view a target’s instrumentation data.
- RTC
- Real-time Clock
- RTSC
- Real Time Software Componenets. A toolset for creating reusable code, used by TI-RTOS.
- Swi
- A TI-RTOS Software interrupt.
- TI-RTOS
- Texas Instruments Real Time Operating System
- Zero-Latency Interrupts
- An interrupt that will not be routed through the TI-RTOS kernel’s Hwi dispatcher. For more information, see this wiki article.
Over the Air Download (OAD) Terms and Acronyms¶
- BIM
- Boot Image Manager
- A bootloader that runs after the device’s ROM startup code. The BIM is responsible for analyzing the image header of all images and determining the most suitable image to run. Once the BIM has found the proper image, it will jump to it’s program entry.
- CRC
- Cyclic Redundancy Check
- An error-detecting code used to check the integrity of blocks of data.
- ECDSA
- Elliptic Curve Digital Signature Algorithm
- A variant of the Digital Signature Algorithm (DSA) which uses elliptic curve cryptography.
- Factory Image
- The factory image is a “golden” image that resides in external flash as a failsafe mechanism.
- HIB
- Halt In Boot. A mechanism in CC26xx and CC13xx devices to ensure that the external emulator can take control of the device before it executes any application code.
- OAD
- Over the Air Download
- The process of performing a device firmware update over the air.
- OAD Target
- The device whose firmware is being upgraded over the air. This is assumed to be a CC26xx device running the TI protocol specific transport for OAD.
- OAD Distributor
- The device responsible for accepting an OAD enabled image from the compiler and transferring it over the air to the OAD Target.
Secure Firmware (SFW) Terms and Acronyms¶
- Secure Firmware
- SFW
- The process of verifying an image before running for improved integrity and security
- Secure Firmware Bootloader
- SFB
- The bootloader that verifies the secure firmware image
- Secure Firmware Image
- SFI
- The application image that needs to be verified
- ECC
- Elliptic Curve Cryptography
- SHA
- Secure Hash Algorithm
- AES CBC MAC
- Advanced Encryption Standard Cipher Block Chaining Message Authentication Code
- TLV
- Type Length Value
Sensor Controller Terms and Acronyms¶
- SC
- Sensor Controller
- SCS
- Sensor Controller Studio