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All my (= Davide Bettio) code contributions were mostly LGPL v2.1 (or any later
version). This change will dual license them as "Apache-2.0 OR
LGPL-2.1-or-later".

All changes made by other contributors (Fred Dushin, Riccardo Binetti, etc...)
were already dual licensed.

Apache-2.0 will be used as default license, so you can use this software under
Apache-2.0 license terms. However we don't mind if anyone still wants to apply
LGPL-2.1-or-later license terms as an option.

We hope this change to Apache-2.0 will make AtomVM easier to adopt in any
project.

Thanks to everyone who has contributed to this project so far.
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@bettio
bettio committed Jan 27, 2022
1 parent 0f6955c commit 43a4300
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6 changes: 4 additions & 2 deletions .github/pull_request_template.md
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These changes are made under the terms of the LGPL v2.1 (or any later version)
and Apache 2.0 licenses.
These changes are made under both the "Apache 2.0" and the "GNU Lesser General
Public License 2.1 or later" license terms (dual license).

SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later
704 changes: 202 additions & 502 deletions LICENSE
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32 changes: 16 additions & 16 deletions doc/atomvm.md
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## Licensing

AtomVM is licensed under the terms of the LGPLv2 and Apache2 licenses.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.

This program 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, write to the
Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA .
AtomVM is licensed under the terms of Apache 2.0 license.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

AtomVM project has begun under the terms of LGPL 2.1 or later license, so it
can be used under the terms of LGPL 2.1 or later (dual license) as an option.

## Building AtomVM

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37 changes: 19 additions & 18 deletions libs/eavmlib/src/atomvm.erl
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright 2019 by Fred Dushin <[email protected]> %
% %
% This program is free software; you can redistribute it and/or modify %
% it under the terms of the GNU Lesser General Public License as %
% published by the Free Software Foundation; either version 2 of the %
% License, or (at your option) any later version. %
% %
% This program 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, write to the %
% Free Software Foundation, Inc., %
% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% This file is part of AtomVM.
%
% Copyright 2019 Fred Dushin <[email protected]>
%
% Licensed under the Apache License, Version 2.0 (the "License");
% you may not use this file except in compliance with the License.
% You may obtain a copy of the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS,
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
% See the License for the specific language governing permissions and
% limitations under the License.
%
% SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later
%

%%-----------------------------------------------------------------------------
%% @doc AtomVM-specific APIs
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37 changes: 19 additions & 18 deletions libs/eavmlib/src/console.erl
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright 2018 by Fred Dushin <[email protected]> %
% %
% This program is free software; you can redistribute it and/or modify %
% it under the terms of the GNU Lesser General Public License as %
% published by the Free Software Foundation; either version 2 of the %
% License, or (at your option) any later version. %
% %
% This program 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, write to the %
% Free Software Foundation, Inc., %
% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% This file is part of AtomVM.
%
% Copyright 2018 Fred Dushin <[email protected]>
%
% Licensed under the Apache License, Version 2.0 (the "License");
% you may not use this file except in compliance with the License.
% You may obtain a copy of the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS,
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
% See the License for the specific language governing permissions and
% limitations under the License.
%
% SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later
%

%%-----------------------------------------------------------------------------
%% @doc This modules supports output of string data to the console.
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37 changes: 19 additions & 18 deletions libs/eavmlib/src/esp.erl
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright 2019 by Fred Dushin <[email protected]> %
% %
% This program is free software; you can redistribute it and/or modify %
% it under the terms of the GNU Lesser General Public License as %
% published by the Free Software Foundation; either version 2 of the %
% License, or (at your option) any later version. %
% %
% This program 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, write to the %
% Free Software Foundation, Inc., %
% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% This file is part of AtomVM.
%
% Copyright 2019 Fred Dushin <[email protected]>
%
% Licensed under the Apache License, Version 2.0 (the "License");
% you may not use this file except in compliance with the License.
% You may obtain a copy of the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS,
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
% See the License for the specific language governing permissions and
% limitations under the License.
%
% SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later
%

%%-----------------------------------------------------------------------------
%% @doc ESP32-specific APIs
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38 changes: 20 additions & 18 deletions libs/eavmlib/src/gpio.erl
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright 2019 by Davide Bettio <[email protected]> %
% %
% This program is free software; you can redistribute it and/or modify %
% it under the terms of the GNU Lesser General Public License as %
% published by the Free Software Foundation; either version 2 of the %
% License, or (at your option) any later version. %
% %
% This program 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, write to the %
% Free Software Foundation, Inc., %
% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% This file is part of AtomVM.
%
% Copyright 2019 Davide Bettio <[email protected]>
%
% Licensed under the Apache License, Version 2.0 (the "License");
% you may not use this file except in compliance with the License.
% You may obtain a copy of the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS,
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
% See the License for the specific language governing permissions and
% limitations under the License.
%
% SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later
%

-module(gpio).

-export([open/0, read/2, set_direction/3, set_level/3, set_int/3, remove_int/2]).
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37 changes: 19 additions & 18 deletions libs/eavmlib/src/http_server.erl
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright 2019 by Davide Bettio <[email protected]> %
% %
% This program is free software; you can redistribute it and/or modify %
% it under the terms of the GNU Lesser General Public License as %
% published by the Free Software Foundation; either version 2 of the %
% License, or (at your option) any later version. %
% %
% This program 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, write to the %
% Free Software Foundation, Inc., %
% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% This file is part of AtomVM.
%
% Copyright 2019 Davide Bettio <[email protected]>
%
% Licensed under the Apache License, Version 2.0 (the "License");
% you may not use this file except in compliance with the License.
% You may obtain a copy of the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS,
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
% See the License for the specific language governing permissions and
% limitations under the License.
%
% SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later
%

-module(http_server).

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37 changes: 19 additions & 18 deletions libs/eavmlib/src/json_encoder.erl
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright 2019 by Davide Bettio <[email protected]> %
% %
% This program is free software; you can redistribute it and/or modify %
% it under the terms of the GNU Lesser General Public License as %
% published by the Free Software Foundation; either version 2 of the %
% License, or (at your option) any later version. %
% %
% This program 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, write to the %
% Free Software Foundation, Inc., %
% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% This file is part of AtomVM.
%
% Copyright 2019 Davide Bettio <[email protected]>
%
% Licensed under the Apache License, Version 2.0 (the "License");
% you may not use this file except in compliance with the License.
% You may obtain a copy of the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS,
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
% See the License for the specific language governing permissions and
% limitations under the License.
%
% SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later
%

-module(json_encoder).
-export([encode/1]).
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37 changes: 19 additions & 18 deletions libs/eavmlib/src/ledc.erl
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright 2020 by Fred Dushin <[email protected]> %
% %
% This program is free software; you can redistribute it and/or modify %
% it under the terms of the GNU Lesser General Public License as %
% published by the Free Software Foundation; either version 2 of the %
% License, or (at your option) any later version. %
% %
% This program 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, write to the %
% Free Software Foundation, Inc., %
% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% This file is part of AtomVM.
%
% Copyright 2020 Fred Dushin <[email protected]>
%
% Licensed under the Apache License, Version 2.0 (the "License");
% you may not use this file except in compliance with the License.
% You may obtain a copy of the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS,
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
% See the License for the specific language governing permissions and
% limitations under the License.
%
% SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later
%

%%-----------------------------------------------------------------------------
%% @doc LED Controller low-level APIs
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37 changes: 19 additions & 18 deletions libs/eavmlib/src/logger.erl
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright 2019 by Fred Dushin <[email protected]> %
% %
% This program is free software; you can redistribute it and/or modify %
% it under the terms of the GNU Lesser General Public License as %
% published by the Free Software Foundation; either version 2 of the %
% License, or (at your option) any later version. %
% %
% This program 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, write to the %
% Free Software Foundation, Inc., %
% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% This file is part of AtomVM.
%
% Copyright 2019 Fred Dushin <[email protected]>
%
% Licensed under the Apache License, Version 2.0 (the "License");
% you may not use this file except in compliance with the License.
% You may obtain a copy of the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS,
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
% See the License for the specific language governing permissions and
% limitations under the License.
%
% SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later
%

%%-----------------------------------------------------------------------------
%% @doc A simple logging module.
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