Feature List [new:1.6] Supports the ATMega128, ATMega32, and ATMega16 microcontroller models. [new:1.6] GUI for interactive simulation and monitoring. [new:1.6] Automatically generated disassembler. [new:1.4] Energy analysis tool. [new:1.4] GDB backend via remote serial protocol. [improved:1.6] Fast, cycle-accurate simulation of AVR programs. [improved:1.6] Cycle-accurate sensor network simulation. [improved:1.6] Profiling options and utilities. [improved:1.6] Greater than real-time performance for 7mhz devices. [improved:1.6] Clean, well-documented Java API. [improved:1.6] Three input formats: Atmel syntax, GAS syntax, and avr-objdump format. Support for breakpoints and watchpoints. [improved:1.6] Flexible extension points for developers. [improved:1.6] Scalable threading model for multi-node simulation. [improved:1.6] Stack analysis tool. Support for these devices on the ATMega128L: [new:1.6] The in-system reprogrammable flash. The basic timer, Timer0. [improved:1.4] Timer1, Timer2, and Timer3. The SPI (Serial Peripheral Interface) device. [improved:1.6] The two UART chips: USART0 and USART1 The 4KB EEPROM. The ADC (Analog to Digital Converter) device. Support for these devices on the mica2 platform: [new:1.6] The light sensor. [new:1.6] The 512kb external flash. [improved:1.4] Red, Green, and Yellow LEDs. [improved:1.6] The CC1000 AM radio. Control flow graph utilities. Features New for Beta 1.6 Support for the ATMega32 and ATMega16 microcontrollers. Automatically generated AVR disassembler. Simple GUI and stack monitor. Support for in-system-reprogramming, used in Surge and SOS. Refactored software architecture. Some performance improvements: 15-25% faster than Beta 1.4. Automatically updates node numbers for TinyOS and SOS program images. Allows sensor data to be replayed into the simulation. Improved emulation of CC1000 AM radio on Berkeley motes. Cleaner multiple-node simulation output. Improved command line options and help. Fixed several bugs relating to probing and monitoring behavior. Added several new probing extension points. Implemented inter-procedural side-effect analysis.. New monitors: calls, interrupts, and IO register monitors. Fixed dozens of bugs, including probing and monitoring, objdump input format, GDB server, terminal output. Features New for Beta 1.4 GDB Backend. Energy analysis tool (by Olaf Landsiedel). Distance-attentuation radio model and topology files (by Olaf Landsiedel). Refactored software architecture. Slight performance improvements: up to 10% faster than Beta 1.2. Fixed several timing bugs. Improved emulation of CC1000 AM radio on Berkeley motes. Cleaner multiple-node simulation output. Improved test suite and testing harness. Improved command line options and help. Fixed several bugs relating to probing and monitoring behavior. Deprecated legacy interpreter. Features New for Beta 1.2 More complete JavaDoc documentation. Refactored software architecture. Signification performance improvements: up to 65% faster than Beta 1.0. Support for Timer1, Timer2, Timer3, SPI, USART, EEPROM and ADC devices. Emulation of the CC1000 AM radio on Berkeley motes. Complete sensor network simulation infrastructure. Improved stack analysis tool. Support for memory watchpoints. Improved command line options and help. Features Planned for Avrora 1.0 Complete support for all on-chip devices on the Atmega128L. Flash memory updates. All sleep modes. Configurable external oscillators. Complete support for all "mica2" board components. Complete logging and inspection infrastructure. Extensible Environment model. Interactive source-level debugger. Future Features Interactive interface for inspecting simulation. A more complete microcontroller and platform library.