The FED C Compilers (WIZ-C Professional and AVIDICY) comes complete with a number of library routines including :

• Asynchronous serial port handling
• Delays & Waiting
• LCD module handling
• Infra Red data transfer to IRDA standards
• Interrupt driven serial communications
• IIC bus
• String handling functions
• Synchronous (clocked) serial data i/o
• DALLAS one wire bus interface
• Keypads
• Maths functions
• Bootloader for in circuit re-programming
• Graphic LCD drivers for T6963C device
• stdio/stdlib/ctype standard libraries
• printf and varieties
• Remote control - RC5 standard protocols
• Sound library for sending sampled WAVE files over the PWM output using internal ROM
  or external EEPROM.