Imagecraft c compiler and development environment for the atmel avr

ICCV8 for AVR – C Compiler for Atmel AVRC Preprocessor Dialects ...................................................................... 65Predefined Macros .............................................................................. 66Supported Directives........................................................................... 68String Literals and Token Pasting....................................................... 70C IN 16 PAGES...............................................................................................71Preamble ............................................................................................. 71Declaration.......................................................................................... 74Expressions and Type Promotions...................................................... 77Statements........................................................................................... 82C LIBRARY AND STARTUP FILE ..............................................................85Overriding a Library Function............................................................ 85Startup File.......................................................................................... 86C Library General Description ........................................................... 89Character Type Functions................................................................... 91Floating-Point Math Functions ........................................................... 93Standard IO Functions ........................................................................ 95Standard Library And Memory Allocation Functions........................ 99String Functions................................................................................ 102Variable Argument Functions........................................................... 105Stack Checking Functions ................................................................ 106Greater Than 64K Access Functions ................................................ 108PROGRAMMING THE AVR.......................................................................111Accessing AVR Features .................................................................. 111io???v.h Header Files........................................................................ 112Generating Production ELF File....................................................... 114CRC Generation................................................................................ 116Program Data and Constant Memory ............................................... 117Strings ............................................................................................... 118Stacks ................................................................................................ 119Inline Assembly ................................................................................ 120IO Registers ...................................................................................... 121XMega IO Registers ......................................................................... 122Global Registers................................................................................ 123Addressing Absolute Memory Locations ......................................... 125Accessing Memory Outside of the 64K Range ................................ 127C Tasks ............................................................................................. 1312