Moving from Codesourcery to ARM-GCC

[bobc]

Hi all

Currently I believe that the Codesourcery Lite is the recommended build tool for r2c2. Well, Mentor don't make it so easy to download it, obviously they want you to buy one of their "Non-lite" tools.

ARM are now doing a supported ARM toolchain, no strings attached. I have tried the Windows version, and it works ok apart from one issue with the bootloader. The latest GCC-ARM compiler is not compatible with older lpc17xx.cmsis library (or vice versa). Building the bootloader with opt=0 gets round it, there is also a code patch, or new release of lpc17xx.cmsis.

The ARM supplied toolchain needs a few extra tools like "make" to be downloaded, which are bundled with Codesourcery. I haven't tried the Linux version.

So it might be an idea to move to ARM supplied toolchain in future if the cmsis issues are addressed, but people can continue with Codesourcery if they already have it.

ARM embedded : https://launchpad.net/gcc-arm-embedded

[Arthur Wolf]

You can get install scripts for it for Win/OSX/Linux in the smoothie repo. They are widely used/tested at this point, so they are probably at least a good starting point.

2013/6/16 bobc <bobcou...@googlemail.com>

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[bobc]

It would help if you said what "it" is. ;)

2013/6/16 bobc <bobcou...@googlemail.com>

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[Arthur Wolf]

Oh sorry

https://github.com/arthurwolf/Smoothie/blob/edge/linux_install
https://github.com/arthurwolf/Smoothie/blob/edge/mac_install
https://github.com/arthurwolf/Smoothie/blob/edge/win_install.cmd

"It" is the ARM-GCC toolchain.

2013/6/16 bobc <bobcou...@googlemail.com>

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[Nelson Neves]

Getting R2C2 code compiled in ARM-GCC was one of my old requests, wanted to support firmware auto update functionality for my webapp running on a Linux embedded board with  ARM-GCC support... form the webapp the user would have a list of stable github R2C2 firmware releases (stable branches), it would download that source code, compile it on the Linux board (via internal board ARM-GCC ) and flash it to the R2C2 board (send firmware.bin to the SD card and reboot board) ... this would simplify the firmware upgrade or downgrade.