Procyon AVRlib
C-Language Function Library for Atmel AVR Processors

Written by Pascal Stang | Updated:

AVRlib is a library of easy-to-use C functions for a variety of common and uncommon tasks using AVR processors.
The goal of AVRlib is to allow programmers to work quickly towards their end goal by reducing the time needed to write basic support functions and code.
Most AVRlib header (*.h) files have lengthy descriptions of how to use the supplied library functions. All code (*.c) files are heavily commented with additional information.
Documentation is still being improved and refined on many libraries. When getting familiar with a library, look first at the HTML docs and any example code that is available in the examples directory. Then look inside the *.h and *conf.h files, and then the *.c file for that library for more details and documentation.
Significant example code is included in avrlib.zip. The example code is heavily commented and strives to illustrate how to use various AVRlib function libraries.
Download AVRlib (with docs and code examples)
- AVRlib (zip file, 1MB, )
- AVRlib (win32 installer package, 1MB, )
On-line HTML Documentation
Release Notes
AVRlib Install Guide for manual installation of zip file

General	AVR Built-In Peripheral Drivers
Byte Buffering (circular) Bit Buffering (linear) Printf and other formatted print functions VT100 Terminal Output Command Line Interface FAT16/32 File System (support is read-only for now) STX/ETX Packet Protocol Fixed-Point Math Library (basic operations only)	Timers (with PWM, interrupt management) UART (interrupt driven) A/D Converter I2C Master/Slave (interrupt and non-intr) SPI Interface External Interrupts
External Hardware Device Drivers	AVR Software-Emulated Devices
Character LCD Modules (HD44780-based) I2C EEPROM Memories SPI EEPROM Memories MMC/SD Card Interface (SPI mode) LIS3L02 ST Accelerometer IDE/ATA Interface (for hard disks and CF cards) Quadrature Encoders RC-Servos (up to 8 channels) STA013 MP3 Decoder Chip GPS Receivers (via serial port) NMEA-0813 Protocol Trimble TSIP Protocol Graphic LCD Modules KS0108/HD61202 Controller T6963 Controller LCD Fonts and Symbols	I2c Master (Bit-Bang) UART (software-based, timer interrupt driven) Pulse Output (timer-based, variable frequency) Intel-type Memory Bus (Address & Data Buses + nRD,nWR)

Written by Pascal Stang | Updated: