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Added info about udev rules and compiling a toolchain

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Mike Szczys 2012-07-01 14:56:03 -05:00
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README.md
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@ -41,3 +41,14 @@ If you have OpenOCD installed 'make program' can be used to flash the .bin file
sudo make install sudo make install
If there is an error finding the .cfg file, please double-check the OPENOCD_BOARD_DIR constant at the top of the Makefile (in this template directory, not in OpenOCD). If there is an error finding the .cfg file, please double-check the OPENOCD_BOARD_DIR constant at the top of the Makefile (in this template directory, not in OpenOCD).
###UDEV Rule for the Discovery Board
If you are not able to communicate with the STM32F0-Discovery board without root privileges you should follow the step from [the stlink repo readme file](https://github.com/texane/stlink#readme) for adding a udev rule for this hardware.
##Compiling your own toolchain
It might be best to use a precompiled toolchain liked CodeSourcery G++: Lite Edition. But if you would prefer to compile your own, give [this guide](http://www.kunen.org/uC/gnu_tool.html) a try. Just google for the source code to make sure you're using the most recent versions. GCC now comes with the core and g++ code all in one archive.
###Possible compiling errors:
* You may encouter unfulfilled dependecies when it comes to GMP, MPFR and MPC. According to [the GCC installation Wiki](http://gcc.gnu.org/wiki/InstallingGCC) you should install the following packages: libgmp-dev libmpfr-dev libmpc-dev. If that doesn't work, read the linked Wiki for further options.
* If you get the error: "configure: error: Link tests are not allowed after GCC_NO_EXECUTABLES" try adding the following flags when configuring GCC: "--with-system-zlib --disable-shared"