C-Language Function Library for Atmel AVR Processors - Written by Pascal Stang
Procyon AVRlib [1] 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 in this help document and at any example code that is available in the avrlib/examples directory. Then look inside the [libname].h and [libname]conf.h files, and then the [libname].c file for more details and documentation.
Significant example code is included with AVRlib and can be found in the avrlib/examples directory. The example code is organized as a set of demo applications each of which strives to illustrate how to use a certain AVRlib function library. Effort is made to keep the example code heavily (and thoughtfully) commented.
The latest version of Procyon AVRlib (including this documentation) is available from http://hubbard.engr.scu.edu/embedded/avr/avrlib
Additional Pages:
Release Notes
Installing AVRlib Manually
AVRlib Sub-Libraries
The following is a list of sub-libraries in AVRlib.
General Use:
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)
AVR Built-In Peripheral Support
Timer(s)
Uart(s)
A/D Converter
I2C Master/Slave
SPI Interface
Device Drivers for External Hardware:
Character LCD Modules (HD44780-based)
I2c EEPROM Memories
SPI EEPROM Memories
MMC/SD Memory Cards (SPI-mode)
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
AVR Software-Emulated Devices and Interfaces
I2c Master (Bit-Bang)
UART (software-based, timer interrupt driven)
Pulse Output (arbitrary-frequency continuous/counted square wave)
Intel-type Memory Bus (Address & Data Buses + nRD,nWR)
Network Support
Device Drivers
Realtek RTL8019AS Ethernet Driver (10mb)
ASIX AX88796L Ethernet Driver (10/100mb)
Crystal CS8900 Ethernet Driver (10mb)
PrismII 802.11b WLAN Driver
Network Protocols
ARP
IP
ICMP
UDP
DHCP
Network Stack
[1] The name "AVRlib" bears an unfortunate resemblance to "AVR libc" even though the two libraries are different and should not be confused. AVR libc is the Standard C Library for AVR-Series Processors and provides functions we typically think of as being standard C like printf, stdio calls, math functions, plus some AVR-specific functions. Procyon AVRlib provides additional higher-level functions designed to help designers accomplish typical embedded systems tasks.
======================================================
Procyon AVRlib
C-Language Function Library for Atmel AVR Processors
Written by Pascal Stang | Updated: Tuesday September 20, 2005
--------------------------------------------------------------------------------
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.
--------------------------------------------------------------------------------
Procyon AVRlib Overview
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)
Network Support
Device Drivers
RTL8019 Ethernet
AX88796 Ethernet
CS8900 Ethernet
Prism2 Wireless LAN
Network Protocols
ARP
ICMP
IP
UDP
DHCP
Network Stack infrastructure
Link: http://vfx.freeweb.hu/avr/index.html
Procyon AVRlib [1] 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 in this help document and at any example code that is available in the avrlib/examples directory. Then look inside the [libname].h and [libname]conf.h files, and then the [libname].c file for more details and documentation.
Significant example code is included with AVRlib and can be found in the avrlib/examples directory. The example code is organized as a set of demo applications each of which strives to illustrate how to use a certain AVRlib function library. Effort is made to keep the example code heavily (and thoughtfully) commented.
The latest version of Procyon AVRlib (including this documentation) is available from http://hubbard.engr.scu.edu/embedded/avr/avrlib
Additional Pages:
Release Notes
Installing AVRlib Manually
AVRlib Sub-Libraries
The following is a list of sub-libraries in AVRlib.
General Use:
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)
AVR Built-In Peripheral Support
Timer(s)
Uart(s)
A/D Converter
I2C Master/Slave
SPI Interface
Device Drivers for External Hardware:
Character LCD Modules (HD44780-based)
I2c EEPROM Memories
SPI EEPROM Memories
MMC/SD Memory Cards (SPI-mode)
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
AVR Software-Emulated Devices and Interfaces
I2c Master (Bit-Bang)
UART (software-based, timer interrupt driven)
Pulse Output (arbitrary-frequency continuous/counted square wave)
Intel-type Memory Bus (Address & Data Buses + nRD,nWR)
Network Support
Device Drivers
Realtek RTL8019AS Ethernet Driver (10mb)
ASIX AX88796L Ethernet Driver (10/100mb)
Crystal CS8900 Ethernet Driver (10mb)
PrismII 802.11b WLAN Driver
Network Protocols
ARP
IP
ICMP
UDP
DHCP
Network Stack
[1] The name "AVRlib" bears an unfortunate resemblance to "AVR libc" even though the two libraries are different and should not be confused. AVR libc is the Standard C Library for AVR-Series Processors and provides functions we typically think of as being standard C like printf, stdio calls, math functions, plus some AVR-specific functions. Procyon AVRlib provides additional higher-level functions designed to help designers accomplish typical embedded systems tasks.
======================================================
Procyon AVRlib
C-Language Function Library for Atmel AVR Processors
Written by Pascal Stang | Updated: Tuesday September 20, 2005
--------------------------------------------------------------------------------
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.
--------------------------------------------------------------------------------
Procyon AVRlib Overview
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)
Network Support
Device Drivers
RTL8019 Ethernet
AX88796 Ethernet
CS8900 Ethernet
Prism2 Wireless LAN
Network Protocols
ARP
ICMP
IP
UDP
DHCP
Network Stack infrastructure
Link: http://vfx.freeweb.hu/avr/index.html