 USB device descriptors for a single interface | The following structures provide the USB device descriptors required for USB Device with a single interface CDC |
 Standard I/O (stdio) | Common standard I/O driver that implements the stdio read and write functions on AVR and SAM devices |
  USB/CDC Standard I/O (stdio) | Standard I/O (stdio) management component that implements a stdio USB CDC interface on AVR devices |
| Sleep manager | The sleep manager is a service for ensuring that the device is not put to sleep in deeper sleep modes than the system (e.g., peripheral drivers, services or the application) allows at any given time |
| Sleep controller driver | This is a low-level driver implementation for the AVR XMEGA sleep controller |
| XMEGA compiler driver | Compiler abstraction layer and code utilities for 8-bit AVR |
| Assembler Support | This group provides a good handful of macros intended to smooth out the differences between various assemblers, similar to what compiler.h does for compilers, except that assemblers tend to be much less standardized than compilers |
| Macro Repeat | |
| Stringize | |
| Token Paste | |
| Program memory | |
| Status Codes | |
| Global interrupt management | This is a driver for global enabling and disabling of interrupts |
| Deprecated interrupt definitions | |
| Atmel part identification macros | This collection of macros identify which series and families that the various Atmel parts belong to |
| AVR UC3 parts | |
| AVR XMEGA parts | |
| megaAVR parts | |
| SAM parts | |
| SIO2HOST - USB | This module performs serial input/output functionalities via USB |
| Clock Management | |
| Generic Clock Management | Generic clocks are configurable clocks which run outside the system clock domain |
| Oscillator Management | This group contains functions and definitions related to configuring and enabling/disabling on-chip oscillators |
| PLL Management | This group contains functions and definitions related to configuring and enabling/disabling on-chip PLLs |
| System Clock Management | See Quick Start Guide for the System Clock Management service (XMEGA) |
| Configuration Change Protection | See Quick start guide for CCP driver |
| XMEGA reset cause | See reset_cause_quickstart |
| NVM driver | See Quick Start Guide for the XMEGA NVM Driver |
| NVM driver generic module handling | Support functions for the NVM driver |
| NVM driver signature handling | Handling of signature rows |
| NVM driver EEPROM handling | Functions for handling internal EEPROM memory |
| NVM driver flash handling | Functions for handling internal flash memory |
| NVM driver fuse and lock bits handling | Functions for reading fuses and writing lock bits |
| USB Stack | This stack includes the USB Device Stack, USB Host Stack and common definitions |
| USB Stack Device | This module includes USB Stack Device implementation |
| USB Device Controller (UDC) | The UDC provides a high-level abstraction of the usb device |
| Implementation of UDC | Internal implementation |
| USB Device Controller (UDC) - Prerequisites | Common prerequisites for all USB devices |
| USB Device Controller (UDC) - Example code | Common example code for all USB devices |
| USB Device Controller (UDC) - Workflow | Common workflow for all USB devices |
| USB Device Descriptor | |
| USB Device Driver (UDD) | The UDD driver provides a low-level abstraction of the device controller hardware |
| Xmega USB Device Driver | USBC low-level driver for USB Device mode |
 USB Device Interface (UDI) | The UDI provides a common API for all classes, and this is used by UDC for the main control of USB Device interface |
 USB Device Interface (UDI) for Communication Class Device (CDC) | Common APIs used by high level application to use this USB class |
| Interface with USB Device Core (UDC) | Structures and functions required by UDC |
| Implementation of UDI CDC | Class internal implementation |
| USB interface descriptors | The following structures provide predefined USB interface descriptors |
| Atmel USB Identifiers | This module defines Atmel PID and VIDs constants |
| USB Protocol Definitions | This module defines constants and data structures provided by the USB 2.0 specification |
| Communication Device Class Definitions | |
| Light Weight Mesh v2.0 | Lightweight Mesh software stack is an easy to use proprietary low power wireless mesh network protocol |
| PHY | Radio physical layer (PHY) provides functions for radio transceiver access |
| AT86RF231 PHY Layer | The AT86RF231 is a feature rich, low-power 2.4 GHz radio transceiver designed for industrial and consumer ZigBee/IEEE 802.15.4, 6LoWPAN, RF4CE and high data rate sub 1GHz ISM band applications Refer AT86RF231 Data Sheet for detailed information |
| Network layer(NWK) | Network layer (NWK) provides core stack functionality and provides two routing algorithms,1.Native routing and 2.AODV routing |
| LWMesh System Services | System services provide common functions for all layers, which are necessary for normal stack operation |
| LWMesh System Services - Security | |
| Group_trx_access | This module includes api's and defenitions required for Devices with externally plugged transceivers(Non Soc's) |
| Busy-Wait Delay Routines | This module provides simple loop-based delay routines for those applications requiring a brief wait during execution |
| Serial Peripheral Interface (SPI) | This is the common API for SPI interface |
| XMEGA SPI master service. | This is the API for SPI master service on XMEGA |
| SPI - Serial Peripheral Interface | Driver for the Serial Peripheral Interface (SPI) |
| Common IOPORT API | See Quick start guide for the common IOPORT service |
| Group_pal_common_hw_timer | Implements a common api interface for accessing timer drivers of all architectures |
| Timer Counter (TC) | See Quick Start Guide for the XMEGA TC Driver |
| Timer Counter (TC) interrupt management | This group provides functions to configure TC module interrupts |
| AWeX extension driver | This group provides low level drivers to configure AWeX extension |
| Hi-Res extension driver | This group provides low level drivers to configure Hi-Res extension |
| Programmable Multilevel Interrupt Controller | See Quick start guide for PMIC driver |
| XMEGA-A3BU Xplained board | |
| Feature definitions | |
| Configuration options | |
| Generic board support | The generic board support module includes board-specific definitions and function prototypes, such as the board initialization function |
| General Purpose Input/Output | This is the common API for GPIO |
1.8.5