 nRF51 SDK | Application Programming Interface for Common Libraries, BLE Libraries, and BLE Services |
 Peripheral Drivers | |
 ADNS2080 driver | ADNS2080 mouse sensor driver |
| Cherry 8x16 keyboard matrix driver | Cherry 8x16 keyboard matrix driver |
| DS1624 digital temperature sensor driver | DS1624 digital temperature sensor driver |
| MPU6050 gyro/accelerometer driver | MPU6050 gyro/accelerometer driver |
| SDIO driver | 2-wire serial interface driver |
| Synaptics Touchpad driver. | Synaptics Touchpad driver |
| AES ECB encryption | Driver for the nRF51 AES Electronic Code Book (ECB) peripheral |
| GPIO abstraction | GPIO pin abstraction and port abstraction for reading and writing byte-wise to GPIO ports |
| GPIOTE abstraction | GPIOTE abstraction for configuration of channels |
| Non-volatile memory controller | Driver for the nRF51 NVMC peripheral |
| Simple UART driver | Simple UART driver |
| SPI Master driver | SPI master driver |
| Software controlled SPI Slave driver. | Software controlled SPI Slave driver |
 Software controlled TWI Master driver | Software controlled TWI Master driver |
| SDK Common Libraries | |
| Button Handler | Buttons handling module |
| Common application error handler | Common application error handler and macros for utilizing a common error handler |
| FIFO implementation | FIFO implementation |
| GPIOTE Handler | GPIOTE handler module |
| Scheduler | The scheduler is used for transferring execution from the interrupt context to the main context |
| Application Timer | Application timer functionality |
| Debug Logger | Enables debug logs/ trace over UART |
| UART module | UART module interface |
| Utility Functions and Definitions | Various types and definitions available to all applications |
 HCI Transport | HCI transport module implementation |
| CRC compute | This module implements the CRC-16 calculation in the blocks |
| Memory pool | Memory pool implementation |
| Memory Pool Internal | Memory pool internal definitions |
| SLIP module | SLIP layer for supporting packet framing in HCI transport |
| Persistent Storage Interface | Abstracted flash interface |
| Persistent Storage Access Operation Codes | Persistent Storage Access Operation Codes. These are used to report any error during a persistent storage access operation or any general error that may occur in the interface |
| Persistent Memory Interface Data Types | Data Types needed for interfacing with persistent memory |
| Persistent Storage Access Routines | Functions/Interface SDK modules use to persistently store data |
| Utility Functions and Definitions (Platform) | Various types and definitions available to all applications when using SoftDevice |
| SoftDevice Event Handler | API for initializing and disabling the SoftDevice |
| Types definitions for ANT support in SoftDevice handler. | This file contains the declarations of types required for ANT stack support. These types will be defined when the preprocessor define ANT_STACK_SUPPORT_REQD is defined |
| Types definitions for BLE support in SoftDevice handler. | This file contains the declarations of types required for BLE stack support. These types will be defined when the preprocessor define BLE_STACK_SUPPORT_REQD is defined |
 SDK Error codes | |
 Base defined for SDK Modules | |
| Codes reserved as identification for module where the error occurred. | |
| Codes reserved as identification for common errors. | |
| Error / status codes specific to device manager. | |
| Bootloader/DFU API | |
| HCI Transport Layer Configuration | Definition of HCI Transport Layer configurable parameters |
| Bootloader API. | Bootloader module interface |
| Types and definitions. | Bootloader module type and definitions |
| Device Firmware Update API. | Device Firmware Update module interface |
| Types and definitions. | Device Firmware Update module type and definitions |
| DFU transport API. | DFU transport module interface |
| Bootloader util API. | Bootloader util module interface |
| Ble_sdk_app_bootloader_main | |
 Experimental Libraries | |
| Battery Service Client | Battery Service Client module |
| Enumerations | |
| Structures | |
| Types | |
| Functions | |
| Heart Rate Service Client | Heart Rate Service Client module |
| Enumerations | |
| Structures | |
| Types | |
| Functions | |
| Database Discovery | Database discovery module |
| Defines | |
| Enumerations | |
| Structures | |
| Types | |
| Functions | |
| S120 (BLE Central) | Application Programming Interface for S120 SoftDevice |
| BLE SoftDevice Common | Type definitions, macros, error codes, SVC and event number subranges etc. common to all S120 SoftDevice modules |
| Events, type definitions and API calls | Module independent events, type definitions and API calls for the BLE SoftDevice |
| Enumerations | |
| Defines | |
| User Memory Types | |
| Structures | |
| Functions | |
| General error codes | General error code definitions for the BLE API |
| Module specific error code subranges | Assignment of subranges for module specific error codes |
| Bluetooth status codes | |
| Module specific SVC, event and option number subranges | Definition of SVC, event and option number subranges for each API module |
| Common types and macro definitions | Common types and macro definitions for the BLE SoftDevice |
| Defines | |
| BLE Connection Handles | |
| Assigned Values for BLE UUIDs | |
| Types of UUID | |
| Bluetooth Appearance values | |
| Structures | |
| Message Sequence Charts | |
| Interrupt-driven Event Retrieval | |
| Thread Mode Event Retrieval | |
| App Buffer Management | |
| Nrf_error | |
| Generic Access Profile (GAP) | Definitions and prototypes for the GAP interface |
| Message Sequence Charts | |
| GAP Advertisement | |
| GAP Peripheral Connection Establishment and Termination | |
| GAP Connection Parameter Update | |
| GAP RSSI | |
| GAP Peripheral Pairing: Just Works | |
| GAP Peripheral Bonding: Just Works | |
| GAP Peripheral Bonding: Passkey Entry, Peripheral displays | |
| GAP Peripheral Bonding: Passkey Entry (Central display) or OOB MSC | |
| GAP Peripheral Encryption Establishment using stored keys | |
| GAP Peripheral Initiated Security Establishment | |
| GAP Scanning | |
| GAP Central Connection Establishment and Termination | |
| GAP Central Connection Parameter Update | |
| GAP Central Encryption Establishment using stored keys | |
| GAP Central Pairing: Just Works | |
| GAP Central Bonding: Just Works | |
| GAP Central Bonding: Passkey Entry, Central displays | |
| GAP Central Bonding: Passkey Entry (Peripheral display) or OOB MSC | |
| GAP Central Security Request Reception | |
| GAP Unexpected Security Packet Reception | |
| GAP Central Encryption and Authentication mutual exclusion | |
| GAP Central Connection Parameter Update on multiple links | |
| GAP Central Control Procedure Serialization on multiple links | |
| Enumerations | |
| Defines | |
| SVC return values specific to GAP | |
| GAP Roles | |
| GAP Timeout sources | |
| GAP Address types | |
| GAP Advertising and Scan Response Data format | |
| GAP Advertising Flags | |
| GAP Advertising interval max and min | |
| GAP Scan interval max and min | |
| GAP Scan window max and min | |
| GAP Scan timeout max and min | |
| GAP Advertising types | |
| GAP Advertising filter policies | |
| GAP Advertising timeout values | |
| GAP Discovery modes | |
| GAP IO Capabilities | |
| GAP Authentication Key Types | |
| GAP Security status | |
| GAP Security status sources | |
| GAP Connection Parameters Limits | |
| GAP attribute security requirement setters | |
| GAP Security Modes | |
| Structures | |
| Functions | |
| Generic Attribute Profile (GATT) Client | Definitions and prototypes for the GATT Client interface |
| Message Sequence Charts | |
| GATTC Primary Service Discovery | |
| GATTC Relationship Discovery | |
| GATTC Characteristic Discovery | |
| GATTC Descriptor Discovery | |
| GATTC Read Characteristic Value by UUID | |
| GATTC Characteristic or Descriptor Value Read | |
| GATTC Read Multiple Characteristic Values | |
| GATTC Characteristic or Descriptor Value Write | |
| GATTC Characteristic or Descriptor Value Long Write | |
| GATTC Characteristic or Descriptor Value Reliable Write | |
| GATTC Handle Value Indication | |
| GATTC Handle Value Notification | |
| GATTC Timeout | |
| Enumerations | |
| Defines | |
| SVC return values specific to GATTC | |
| Structures | |
| Functions | |
| Generic Attribute Profile (GATT) Common | Common definitions and prototypes for the GATT interfaces |
| Defines | |
| GATT Timeout sources | |
| GATT Write operations | |
| GATT Execute Write flags | |
| GATT Handle Value operations | |
| GATT Status Codes | |
| Characteristic Presentation Formats | |
| GATT Bluetooth Namespaces | |
| Structures | |
| Generic Attribute Profile (GATT) Server | Definitions and prototypes for the GATTS interface |
| Message Sequence Charts | |
| GATTS ATT Table Population | |
| GATTS Read Request without Authorization | |
| GATTS Write Request without Authorization | |
| GATTS Write Command with or without Authorization | |
| GATTS Read Request with Authorization | |
| GATTS Write Request with Authorization | |
| GATTS Queued Writes: Stack handled, no attributes require authorization | |
| GATTS Queued Writes: Stack handled, one or more attributes require authorization | |
| GATTS Queued Writes: App handled, no attributes require authorization | |
| GATTS Queued Writes: App handled, one or more attributes require authorization | |
| GATTS Queued Writes: Prepare Queue Full | |
| GATTS Queued Writes: Execute Write without Prepare Write | |
| GATTS Handle Value Indication | |
| GATTS Handle Value Notification | |
| GATTS Handle Value Indication or Notification disabled | |
| GATTS Handle Value Indication or Notification with System Attributes Missing | |
| GATTS Service Changed | |
| GATTS System Attributes Handling: Unknown Peer | |
| GATTS System Attributes Handling: Bonded Peer | |
| Enumerations | |
| Defines | |
| SVC return values specific to GATTS | |
| Maximum attribute lengths | |
| GATT Server Service Types | |
| GATT Server Attribute Types | |
| GATT Server Operations | |
| GATT Value Locations | |
| GATT Server Authorization Types | |
| Structures | |
| Functions | |
| User memory layout for Queued Writes | |
| Logical Link Control and Adaptation Protocol (L2CAP) | Definitions and prototypes for the L2CAP interface |
| Message Sequence Charts | |
| L2CAP API | |
| Enumerations | |
| Defines | |
| SVC return values specific to L2CAP | |
| Structures | |
| Functions | |
| SoftDevice Manager API | APIs for SoftDevice management |
| SoftDevice Manager Error Codes | Error definitions for the SDM API |
| Defines | |
| Enumerations | |
| Types | |
| Functions | |
| SoftDevice Global Error Codes | Global Error definitions |
| Error Codes Base number definitions | |
| SoC Library API | APIs for the SoC library |
| SoC Library Error Codes | Error definitions for the SoC library |
| Defines | |
| Types | |
| Functions | |
1.8.3.1 
