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Free Microcontrollers Software download

Software for programming microcontrollers and compile software (and other software useful in microcontroller programming .)

Small Device C Compiler

Developer: 
sdcc.sourceforge.net

SDCC is a retargettable, optimizing ANSI - C compiler that targets the Intel 8051, Maxim 80DS390, Zilog Z80 and the Motorola 68HC08 based MCUs. Work is in progress on supporting the Microchip PIC16 and PIC18 series. SDCC is Free Open Source Software, distributed under GNU General Public License (GPL).

Some of the features include:

•SDCC sdas and sdld, a retargettable assembler and linker, based on ASXXXX, is Free Open Source Software, distributed under GNU General Public License (GPL).
•extensive MCU specific language extensions, allowing effective use of the underlying hardware.
•a host of standard optimizations such as global sub expression elimination, loop optimizations (loop invariant, strength reduction of induction variables and loop reversing), constant folding and propagation, copy propagation, dead code elimination and jump tables for 'switch' statements.
•MCU specific optimizations, including a global register allocator.
•adaptable MCU specific backend that should be well suited for other 8 bit MCUs
•independent rule based peep hole optimizer.
•a full range of data types: char (8 bits, 1 byte), short (16 bits, 2 bytes), int (16 bits, 2 bytes), long (32 bit, 4 bytes) and float (4 byte IEEE).
•the ability to add inline assembler code anywhere in a function.
•the ability to report on the complexity of a function to help decide what should be re-written in assembler.
•a good selection of automated regression tests.

WinAVR development tools for the Atmel AVR

Developer: 
sourceforge.net/projects/winavr

WinAVR (pronounced "whenever") is a suite of executable, open source software development tools for the Atmel AVR series of RISC microprocessors hosted on the Windows platform. It includes the GNU GCC compiler for C and C++.

WinAVR contains all the tools for developing on the AVR. This includes avr-gcc (compiler), avrdude (programmer), avr-gdb (debugger), and more! WinAVR is used all over the world from hobbyists sitting in their damp basements, to schools, to commercial projects.

Software: 
WinAVR development tools for the Atmel AVR

WinPicProg

Developer: 
Nigel Goodwin

WinPicProg is the latest 32 bit Windows program in the PicProg series for programming the MicroChip micro-controllers, now including some of the serial EPROM range (12C508/9, 12C671/2, and 16C505) as well as the previous FLASH chips. It’s written using Borland Delphi 6.0, following on from the DOS versions written using Borland TP7.0, the 16 Bit Windows version written using Delphi 1.0, and the 32 Bit Windows version originally ported for NT by Andrew Jarman.

Software: 
WinPicProg software download

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