fef/ardix

Ardix is being relicensed to GPL v3 or later. I have no idea whether you
can just do this if you feel like it or if it has any consequences, but
i kinda don't really care that much about it.  Any changes made after
this commit will definitely fall under the GPL though, and considering
that only few things are really working yet anyways this is good enough
for me.

2021-02-28 02:18:39 +01:00

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The Ardix Kernel

This is the source tree of Ardix, a microkernel for various Arduino boards that implements some core concepts of the Unix philosophy. Please note that this project is not affiliated with or endorsed by Arduino s.r.l. in any way. Only ARM-based boards are supported at the moment.

License

Ardix is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Ardix is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see https://www.gnu.org/licenses/.

Compiling

Prerequisites

The GNU toolchain, including
- arm-gcc
- arm-ld
- arm-objcopy
GNU make
A programmer (bossac recommended)
A Unix-like shell (sorry Microsoft lackeys, you can use the Windows Subsystem for Linux for compiling but probably not for flashing)

Configuration

Right now, you have to manually define environment variables:

ARM_CC: Full path to arm-none-eabi-gcc. If unset, we will search for it in your PATH.
ARM_LD: Full path to arm-none-eabi-ld. If unset, we will search for it in your PATH.
ARM_OBJCOPY: Full path to arm-none-eabi-objcopy. If unset, we will search for it in your PATH.
ARCH: Codename for the target architecture. This is mandatory. The following architectures are currently supported:
- at91sam3x8e (Arduino Due)
EXTRA_CFLAGS: Any additional arguments that should be passed to the compiler.
EXTRA_LDFLAGS: Any additional arguments that should be passed to the linker.

Build

To build the EEPROM image, execute the following command:

# Replace <target> with one of the target architectures from the list above
ARCH='<target>' make ardix.bin

This will create the ardix.bin file, which can be passed to bossac for flashing. If you are using an Arduino DUE (at91sam3x8e), make sure to connect the USB cable to the programmer port (the one closer to the power jack).

# Replace <tty> with the name of the tty device in /dev
# that is connected to your Arduino
bossac -e -w -v -b -a --port=<tty> ardix.bin

Please refer to bossac --help for more information on how to use it.

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