2.05.0 Professional - Codevision Avr
CodeVisionAVR 2.05.0 Professional is a high-performance C cross-compiler and Integrated Development Environment (IDE) designed specifically for Microchip (formerly Atmel) AVR microcontrollers. This version is widely known for its "Automatic Program Generator" (CodeWizardAVR), which allows users to configure microcontroller peripherals without needing to refer extensively to datasheets. Key Features of the Professional Version
CodeWizardAVR: An automatic code generator that allows you to easily initialize peripherals like Timers/Counters, USART, ADC, and SPI via a graphical interface.
Advanced Compiler Optimizations: Includes a peephole optimizer and Common Block Subroutine Packing (Code Compressor) to reduce code size and increase efficiency.
Memory Model Support: Provides four memory models (TINY, SMALL, MEDIUM, and LARGE) to handle different FLASH and RAM sizes, including transparent handling of the RAMPZ register for large chips.
Rich Library Set: Includes dedicated libraries for alphanumeric LCDs, MMC/SD cards, I2C/TWI, and 1-Wire sensors (like the DS18B20). CodeVision AVR 2.05.0 Professional
Integrated Debugging: Generates COFF symbol files for source-level debugging in Microchip Studio 7 or AVR Studio 4.19, allowing for real-time variable watching.
Built-in Terminal & Programmer: Features an integrated serial communication terminal and an in-system chip programmer compatible with tools like STK500, AVRISP MkII, and AVR Dragon. Version 2.05.0 Specifics
Hardware Compatibility: This version supports a wide range of AVR chips, including newer ATmega and ATtiny models.
IDE Environment: Runs on 32-bit and 64-bit Windows operating systems, featuring an editor with auto-indentation and syntax highlighting for both C and AVR assembler. CodeVisionAVR 2
Efficient RAM Usage: Unlike many other compilers, it stores constant literal strings only in FLASH memory rather than copying them to RAM, saving precious memory space.
For more detailed technical documentation, you can visit the Official HP InfoTech Features Page or review the User Manual. CodeVisionAVR User Manual
The proper post-build actions and memory configurations for CodeVisionAVR 2.05.0 Professional depend on your specific AVR microcontroller. However, here are the standard correct settings and common post-build steps:
Why "Professional"?
The Professional edition unlocks:
- Full optimization levels (size and speed).
- Support for all AVR devices (the standard edition has limitations).
- Floating-point and long long (64-bit) support.
- A complete TCP/IP stack for Ethernet applications.
- CAN (Controller Area Network) bus libraries.
4. Common Issues & Fixes in 2.05.0
| Problem | Proper Fix |
|---------|-------------|
| .eep file not created | Enable "Generate EEPROM HEX" in Project → Configure → Compiler → Output |
| Wrong interrupt vector table | Set correct chip (e.g., ATmega16 vs ATmega32 — vector sizes differ) |
| Linker errors (undefined symbol) | Add required library: -l option or add .lib file |
| Program doesn't start | Ensure code or flash memory area is properly set |
Unlocking Embedded Potential: A Deep Dive into CodeVision AVR 2.05.0 Professional
In the ecosystem of embedded systems, few tools have maintained relevance and reverence quite like the CodeVision AVR 2.05.0 Professional compiler and IDE. While the open-source world has embraced GCC-based toolchains, professional developers and educators have long turned to CodeVision for its hallmark feature: the CodeWizardAVR automatic program generator.
For those working with Atmel’s (now Microchip) 8-bit AVR microcontrollers—such as the ATmega328P, ATtiny85, or ATmega2560—version 2.05.0 Professional represents a sweet spot. It combines stability, a robust library set, and a visual peripheral initializer that cuts development time by more than half.
This article explores the features, workflow, installation, and practical advantages of using CodeVision AVR 2.05.0 Professional for serious firmware development. Full optimization levels (size and speed)
Issue: Cannot debug with JTAG ICE
Solution: Version 2.05.0 supports JTAG ICE (original, not mkII) on specific ports (LPT or USB-to-serial). On modern PCs, use a USB-to-UART converter (FTDI) and configure debugger speed to 115200 or lower.