-module(eensy).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([processes_info/0, get_system_platform/0, erlang_display/1, erlang_garbage_collect/0, pin/3, i2c/5, board/2]).
-export_type([platform_name/0, pull/0, board_peripheral/0, board_config/0]).

-if(?OTP_RELEASE >= 27).
-define(MODULEDOC(Str), -moduledoc(Str)).
-define(DOC(Str), -doc(Str)).
-else.
-define(MODULEDOC(Str), -compile([])).
-define(DOC(Str), -compile([])).
-endif.

-type platform_name() :: generic_unix | emscripten | esp32 | pico | stm32.

-type pull() :: up | down.

-opaque board_peripheral() :: {i2c,
        binary(),
        integer(),
        integer(),
        integer(),
        pull()} |
    {pin, binary(), integer(), pull()}.

-opaque board_config() :: {board_config,
        list(board_peripheral()),
        list(board_peripheral())}.

-file("src/eensy.gleam", 16).
?DOC(" System processess\n").
-spec processes_info() -> nil.
processes_info() ->
    eensy_ffi:processes_info().

-file("src/eensy.gleam", 20).
?DOC(" get the running platform name\n").
-spec get_system_platform() -> platform_name().
get_system_platform() ->
    atomvm:platform().

-file("src/eensy.gleam", 24).
?DOC(" using erlang:display directly from gleam for debug purposes\n").
-spec erlang_display(any()) -> nil.
erlang_display(Any) ->
    erlang:display(Any).

-file("src/eensy.gleam", 28).
?DOC(" using erlang:garbage_collect directly from gleam for forcing vm behaviour\n").
-spec erlang_garbage_collect() -> nil.
erlang_garbage_collect() ->
    erlang:garbage_collect().

-file("src/eensy.gleam", 82).
-spec pin(binary(), integer(), pull()) -> board_peripheral().
pin(Name, Num, Pull) ->
    {pin, Name, Num, Pull}.

-file("src/eensy.gleam", 86).
-spec i2c(binary(), integer(), integer(), integer(), pull()) -> board_peripheral().
i2c(Name, Sda, Scl, Clock_speed, Pull) ->
    {i2c, Name, Sda, Scl, Clock_speed, Pull}.

-file("src/eensy.gleam", 96).
-spec board(list(board_peripheral()), list(board_peripheral())) -> board_config().
board(Inputs, Outputs) ->
    {board_config, Inputs, Outputs}.