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picoC port for STM32 and EFM32 processors http://akb77.com/g/stm32/uc/
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picoc ----- PicoC is a very small C interpreter for scripting. It was originally written as a script language for a UAV's on-board flight system. It's also very suitable for other robotic, embedded and non-embedded applications. The core C source code is around 3500 lines of code. It's not intended to be a complete implementation of ISO C but it has all the essentials. When compiled it only takes a few k of code space and is also very sparing of data space. This means it can work well in small embedded devices. It's also a fun example of how to create a very small language implementation while still keeping the code readable. picoc is now feature frozen. Since it's important that it remain small it's intended that no more major features will be added from now on. It's been tested on x86-32, x86-64, powerpc, arm, ultrasparc, HP-PA and blackfin processors and is easy to port to new targets. Compiling picoc --------------- picoc can be compiled for a UNIX/Linux/POSIX host by typing "make". The test suite can be run by typing "make test". Porting picoc ------------- platform.h is where you select your platform type and specify the includes etc. for your platform. platform_XXX.c contains support functions so the compiler can work on your platform, such as how to write characters to the console etc.. platform_library.c contains your library of functions you want to make available to user programs. There's also a clibrary.c which contains user library functions like printf() which are platform-independent. Porting the system will involve setting up suitable includes and defines in platform.h, writing some I/O routines in platform_XXX.c, putting whatever user functions you want in platform_library.c and then changing the main program in picoc.c to whatever you need to do to get programs into the system. platform.h is set to UNIX_HOST by default so tests can be easily run on a UNIX system. You'll need to specify your own host setup dependent on your target platform. Copyright --------- picoc is published under the "New BSD License". http://www.opensource.org/licenses/bsd-license.php Copyright (c) 2009-2011, Zik Saleeba All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the Zik Saleeba nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.