Replace uf2 creation code with upstream uf2tool

Replace `atomvm_uf2create_provider` uf2 creation code with upstream standalone
`uf2tool` from https://github.com/pguyot/uf2tool.

Signed-off-by: Winford <winford@object.stream>

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Using the `-s init` option is still supported but deprecated.  Use the `--application` (or `-a`) option to generate OTP applications using AtomVM.
+- Replace `atomvm_uf2create_provider` uf2 creation code with [upstream `uf2tool`](https://github.com/pguyot/uf2tool)
 
 ## [0.7.3] (2023.11.25)
 

rebar.config

@@ -1,6 +1,9 @@
 {erl_opts, [debug_info]}.
 
-{deps, [{atomvm_packbeam, "0.7.2"}]}.
+{deps, [
+    {atomvm_packbeam, "0.7.2"},
+    {uf2tool, {git, "https://github.com/pguyot/uf2tool.git", {tag, "1.0.0"}}}
+]}.
 
 {ex_doc, [
     {source_url, <<"https://github.com/atomvm/atomvm_rebar3_plugin">>},

src/atomvm_uf2create_provider.erl

@@ -1,10 +1,7 @@
 %
 % This file is part of AtomVM.
 %
-% Copyright 2022 Paul Guyot <pguyot@kallisys.net>
-%
-% Adapted for atomvm_rebar3_plugin:
-% Copyright 2023 Winford (UncleGrumpy) <winford@object.stream>
+% Copyright 2023-24 Winford (UncleGrumpy) <winford@object.stream>
 %
 % Licensed under the Apache License, Version 2.0 (the "License");
 % you may not use this file except in compliance with the License.
@@ -139,62 +136,7 @@ parse_addr("16#" ++ AddrHex) ->
 parse_addr(AddrDec) ->
     list_to_integer(AddrDec).
 
-%%% UF2 defines
--define(UF2_MAGIC_START0, 16#0A324655).
--define(UF2_MAGIC_START1, 16#9E5D5157).
--define(UF2_MAGIC_END, 16#0AB16F30).
-
--define(UF2_FLAG_FAMILY_ID_PRESENT, 16#00002000).
-
-%%% Pico defines
--define(UF2_PICO_FLAGS, ?UF2_FLAG_FAMILY_ID_PRESENT).
--define(UF2_PICO_PAGE_SIZE, 256).
--define(UF2_PICO_FAMILY_ID, 16#E48BFF56).
-
-%%%
-
-do_uf2create(OutputPath, StartAddr, ImagePath) ->
-    {ok, ImageBin} = file:read_file(ImagePath),
-    BlocksCount0 = byte_size(ImageBin) div ?UF2_PICO_PAGE_SIZE,
-    BlocksCount =
-        BlocksCount0 +
-            if
-                byte_size(ImageBin) rem ?UF2_PICO_PAGE_SIZE =:= 0 -> 0;
-                true -> 1
-            end,
-    OutputBin = uf2create0(0, BlocksCount, StartAddr, ImageBin, []),
-    ok = file:write_file(OutputPath, OutputBin).
-
-%% @private
-uf2create0(_BlockIndex, _BlocksCount, _BaseAddr, <<>>, Acc) ->
-    lists:reverse(Acc);
-uf2create0(BlockIndex, BlocksCount, BaseAddr, ImageBin, Acc) ->
-    {PageBin, Tail} =
-        if
-            byte_size(ImageBin) >= ?UF2_PICO_PAGE_SIZE ->
-                split_binary(ImageBin, ?UF2_PICO_PAGE_SIZE);
-            true ->
-                {ImageBin, <<>>}
-        end,
-    PaddedData = pad_binary(PageBin, 476),
-    Block = [
-        <<
-            ?UF2_MAGIC_START0:32/little,
-            ?UF2_MAGIC_START1:32/little,
-            ?UF2_PICO_FLAGS:32/little,
-            BaseAddr:32/little,
-            ?UF2_PICO_PAGE_SIZE:32/little,
-            BlockIndex:32/little,
-            BlocksCount:32/little,
-            ?UF2_PICO_FAMILY_ID:32/little
-        >>,
-        PaddedData,
-        <<?UF2_MAGIC_END:32/little>>
-    ],
-    uf2create0(BlockIndex + 1, BlocksCount, BaseAddr + ?UF2_PICO_PAGE_SIZE, Tail, [Block | Acc]).
 
 %% @private
-pad_binary(Bin, Len) ->
-    PadCount = Len - byte_size(Bin),
-    Pad = binary:copy(<<0>>, PadCount),
-    [Bin, Pad].
+do_uf2create(OutputPath, StartAddr, ImagePath) ->
+    uf2tool:uf2create(OutputPath, StartAddr, ImagePath).