init project

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anlicheng 2025-06-10 22:11:27 +08:00
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.rebar3
_*
.eunit
*.o
*.beam
*.plt
*.swp
*.swo
.erlang.cookie
ebin
log
erl_crash.dump
.rebar
logs
_build
.idea
*.iml
rebar3.crashdump
*~

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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
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END OF TERMS AND CONDITIONS
Copyright 2025, anlicheng <244108715@qq.com>.
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
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Unless required by applicable law or agreed to in writing, software
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See the License for the specific language governing permissions and
limitations under the License.

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modbus
=====
An OTP application
Build
-----
$ rebar3 compile

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%%%-------------------------------------------------------------------
%%% @author anlicheng
%%% @copyright (C) 2025, <COMPANY>
%%% @doc
%%%
%%% @end
%%% Created : 10. 6 2025 22:07
%%%-------------------------------------------------------------------
-author("anlicheng").
-record(modbus_transport, {
type :: rtu | tcp,
port :: string(),
baudrate :: integer() | undefined,
host :: string() | undefined,
timeout :: integer() | undefined
}).
-record(modbus_device, {
name :: atom(),
slave_id :: integer(),
variables = #{} :: map(),
controls = #{} :: map(),
poll_interval :: integer() | undefined
}).
-record(modbus_var, {
address :: integer(),
type :: atom(),
scale = 1.0 :: float(),
unit :: string() | undefined,
poll = true :: boolean()
}).
-type modbus_ast() :: #{
transport => #modbus_transport{},
devices => [#modbus_device{}]
}.

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{application, modbus,
[{description, "An OTP application"},
{vsn, "0.1.0"},
{registered, []},
{mod, {modbus_app, []}},
{applications,
[
lager,
sync,
kernel,
stdlib
]},
{env,[]},
{modules, []},
{licenses, ["Apache-2.0"]},
{links, []}
]}.

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%%%-------------------------------------------------------------------
%% @doc modbus public API
%% @end
%%%-------------------------------------------------------------------
-module(modbus_app).
-behaviour(application).
-export([start/2, stop/1]).
start(_StartType, _StartArgs) ->
modbus_sup:start_link().
stop(_State) ->
ok.
%% internal functions

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%%%-------------------------------------------------------------------
%%% @author anlicheng
%%% @copyright (C) 2025, <COMPANY>
%%% @doc
%%%
%%% @end
%%% Created : 10. 6 2025 22:08
%%%-------------------------------------------------------------------
-module(modbus_parser).
-export([parse/1, parse_file/1]).
-include("modbus_ast.hrl").
%%
parse(Input) when is_binary(Input) ->
Tokens = lexer(Input),
{ok, AST} = parser(Tokens),
case validate(AST) of
ok -> {ok, AST};
{error, Reason} -> {error, Reason}
end.
parse_file(Filename) ->
case file:read_file(Filename) of
{ok, Content} -> parse(Content);
Error -> Error
end.
%%
lexer(Input) ->
lexer(Input, 1, [], []).
lexer(<<>>, _Line, _Current, Acc) -> lists:reverse(Acc);
lexer(<<$\s, Rest/binary>>, Line, Current, Acc) ->
lexer(Rest, Line, Current, Acc);
lexer(<<$\n, Rest/binary>>, Line, Current, Acc) ->
lexer(Rest, Line+1, Current, Acc);
lexer(<<$\t, Rest/binary>>, Line, Current, Acc) ->
lexer(Rest, Line, Current, Acc);
lexer(<<$#, Rest/binary>>, Line, _Current, Acc) ->
{Comment, NewRest} = read_until(Rest, <<$\n>>),
lexer(NewRest, Line+1, [], [{comment, Line, Comment}|Acc]);
lexer(<<${, Rest/binary>>, Line, [], Acc) ->
lexer(Rest, Line, [], [{'{', Line}|Acc]);
lexer(<<$}, Rest/binary>>, Line, [], Acc) ->
lexer(Rest, Line, [], [{'}', Line}|Acc]);
lexer(<<$;, Rest/binary>>, Line, [], Acc) ->
lexer(Rest, Line, [], [{';', Line}|Acc]);
lexer(<<Char/utf8, Rest/binary>>, Line, Current, Acc) ->
case is_special(Char) of
true ->
NewAcc = case Current of
[] -> Acc;
_ -> [{ident, Line, list_to_binary(lists:reverse(Current))}|Acc]
end,
lexer(Rest, Line, [], [{special, Line, Char}|NewAcc]);
false ->
lexer(Rest, Line, [Char|Current], Acc)
end.
read_until(Bin, Delim) ->
case binary:match(Bin, <<Delim>>) of
{Pos, _} ->
{binary:part(Bin, 0, Pos), binary:part(Bin, Pos+1, byte_size(Bin)-Pos-1)};
nomatch ->
{Bin, <<>>}
end.
is_special(${) -> true;
is_special($}) -> true;
is_special($;) -> true;
is_special($=) -> true;
is_special(_) -> false.
%% AST
parser(Tokens) ->
parser(Tokens, []).
parser([], [Result]) -> {ok, Result};
parser([{'{', _}|Tokens], Stack) ->
parser(Tokens, [open_block|Stack]);
parser([{'}', _}|Tokens], [open_block, {block, Type, Props}|Stack]) ->
Block = #{type => Type, properties => lists:reverse(Props)},
parser(Tokens, [Block|Stack]);
parser([{ident, _, <<"modbus">>}|Tokens], Stack) ->
parser(Tokens, [{block, modbus, []}|Stack]);
parser([{ident, _, <<"device">>}, {ident, _, Name}|Tokens], Stack) ->
parser(Tokens, [{block, {device, Name}, []}|Stack]);
parser([{ident, Line, Name}, {special, _, $=}|Tokens], [{block, _, Props}|Stack]) ->
{Value, Rest} = parse_value(Tokens, []),
parser(Rest, [{block, Props#{binary_to_atom(Name, utf8) => Value}}|Stack]);
parser([{';', _}|Tokens], Stack) ->
parser(Tokens, Stack);
parser([{comment, _, _}|Tokens], Stack) ->
parser(Tokens, Stack).
parse_value([{ident, _, Value}|Tokens], _) -> {binary_to_atom(Value, utf8), Tokens};
parse_value([{integer, _, Value}|Tokens], _) -> {Value, Tokens};
parse_value([{float, _, Value}|Tokens], _) -> {Value, Tokens};
parse_value([{string, _, Value}|Tokens], _) -> {Value, Tokens};
parse_value([{'{', _}|Tokens], Acc) ->
{Block, Rest} = parse_block(Tokens, []),
{Block, Rest}.
parse_block([{'}', _}|Tokens], Props) -> {lists:reverse(Props), Tokens};
parse_block([{ident, Line, Name}|Tokens], Props) ->
{Value, Rest} = parse_value(Tokens, []),
parse_block(Rest, Props#{binary_to_atom(Name, utf8) => Value}).
%% AST的合法性和一致性
validate(AST) ->
try
validate_transport(AST),
validate_devices(AST),
ok
catch
throw:Reason -> {error, Reason}
end.
validate_transport(#{transport := #modbus_transport{type = rtu, port = Port}}) ->
case filelib:is_file(Port) of
true -> ok;
false -> throw({invalid_port, Port})
end;
validate_transport(#{transport := #modbus_transport{type = tcp, host = Host}}) ->
case inet:parse_address(Host) of
{ok, _} -> ok;
_ -> throw({invalid_host, Host})
end;
validate_transport(_) -> throw(missing_transport_config).
validate_devices(#{devices := Devices}) ->
lists:foreach(fun validate_device/1, Devices).
validate_device(#modbus_device{slave_id = Id}) when Id < 1 orelse Id > 247 ->
throw({invalid_slave_id, Id});
validate_device(#modbus_device{variables = Vars}) ->
maps:foreach(fun validate_variable/2, Vars).
validate_variable(_Name, #modbus_var{address = Addr}) when Addr < 0 orelse Addr > 65535 ->
throw({invalid_register_address, Addr});
validate_variable(_Name, #modbus_var{type = Type})
when Type /= int16 andalso Type /= uint16 andalso Type /= float32 ->
throw({invalid_data_type, Type});
validate_variable(_, _) -> ok.

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%%%-------------------------------------------------------------------
%% @doc modbus top level supervisor.
%% @end
%%%-------------------------------------------------------------------
-module(modbus_sup).
-behaviour(supervisor).
-export([start_link/0]).
-export([init/1]).
-define(SERVER, ?MODULE).
start_link() ->
supervisor:start_link({local, ?SERVER}, ?MODULE, []).
%% sup_flags() = #{strategy => strategy(), % optional
%% intensity => non_neg_integer(), % optional
%% period => pos_integer()} % optional
%% child_spec() = #{id => child_id(), % mandatory
%% start => mfargs(), % mandatory
%% restart => restart(), % optional
%% shutdown => shutdown(), % optional
%% type => worker(), % optional
%% modules => modules()} % optional
init([]) ->
SupFlags = #{strategy => one_for_all,
intensity => 0,
period => 1},
ChildSpecs = [],
{ok, {SupFlags, ChildSpecs}}.
%% internal functions

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%%%-------------------------------------------------------------------
%%% @author anlicheng
%%% @copyright (C) 2025, <COMPANY>
%%% @doc
%%%
%%% @end
%%% Created : 10. 6 2025 22:09
%%%-------------------------------------------------------------------
-module(test).
-author("anlicheng").
%% API
-export([test/0]).
test() ->
{ok, Config} = file:read_file("/usr/local/code/cloudkit/modbus/modbus.conf"),
{ok, AST} = modbus_parser:parse(Config),
modbus_parser:validate(AST),
lager:debug("ast is: ~p", [AST]),
ok.

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[
{modbus, [
]},
%% 系统日志配置系统日志为lager, 支持日志按日期自动分割
{lager, [
{colored, true},
%% Whether to write a crash log, and where. Undefined means no crash logger.
{crash_log, "trade_hub.crash.log"},
%% Maximum size in bytes of events in the crash log - defaults to 65536
{crash_log_msg_size, 65536},
%% Maximum size of the crash log in bytes, before its rotated, set
%% to 0 to disable rotation - default is 0
{crash_log_size, 10485760},
%% What time to rotate the crash log - default is no time
%% rotation. See the README for a description of this format.
{crash_log_date, "$D0"},
%% Number of rotated crash logs to keep, 0 means keep only the
%% current one - default is 0
{crash_log_count, 5},
%% Whether to redirect error_logger messages into lager - defaults to true
{error_logger_redirect, true},
%% How big the gen_event mailbox can get before it is switched into sync mode
{async_threshold, 20},
%% Switch back to async mode, when gen_event mailbox size decrease from `async_threshold'
%% to async_threshold - async_threshold_window
{async_threshold_window, 5},
{handlers, [
%% debug | info | warning | error, 日志级别
{lager_console_backend, debug},
{lager_file_backend, [{file, "debug.log"}, {level, debug}, {size, 314572800}]},
{lager_file_backend, [{file, "notice.log"}, {level, notice}, {size, 314572800}]},
{lager_file_backend, [{file, "error.log"}, {level, error}, {size, 314572800}]},
{lager_file_backend, [{file, "info.log"}, {level, info}, {size, 314572800}]}
]}
]}
].

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-sname modbus
-setcookie modbus_cookie
+K true
+A30

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modbus.conf Normal file
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modbus {
# 通信参数
transport rtu {
port /dev/ttyUSB0;
baudrate 9600;
parity none;
stopbits 1;
timeout 1s;
}
# 或TCP配置
transport tcp {
host 192.168.1.100;
port 502;
timeout 500ms;
}
# 日志设置
error_log /var/log/modbus_error.log warn;
access_log /var/log/modbus_access.log;
}
device boiler_controller {
# 设备标识
slave_id 1;
model "Siemens S7-1200";
description "Main boiler controller";
# 轮询间隔
poll_interval 5s;
# 重试策略
retries 3;
retry_timeout 2s;
# 数据点定义
variables {
# 温度读取(保持寄存器)
temperature {
address 40001; # Modbus地址表示法
type int16;
scale 0.1;
unit "°C";
poll on;
}
# 压力传感器(输入寄存器)
pressure {
address 30001;
type uint16;
scale 0.01;
unit "kPa";
poll on;
}
# 状态位(线圈)
alarm_status {
address 00001;
type bool;
bits {
0 "overheat";
1 "low_pressure";
2 "pump_failure";
}
poll on;
}
}
# 写入控制
controls {
# 启停控制
power_switch {
address 00010;
type bool;
safe_value off;
}
# PID设定值
pid_setpoint {
address 40010;
type float32;
min 0.0;
max 100.0;
precision 0.1;
}
}
}
processor temperature_processor {
# 输入源
input $boiler_controller.temperature;
# 数据转换
transform {
# 线性转换: raw * 0.1 + 2.5
linear 0.1 2.5;
# 滤波
moving_average 5;
# 范围检查
validate {
min -10.0;
max 150.0;
action log; # or 'discard', 'replace_with: value'
}
}
# 输出目标
output {
mqtt "sensors/boiler/temp";
influxdb "plant_metrics" measurement="temperature";
}
}
alarm high_temperature {
# 触发条件
condition $boiler_controller.temperature > 90.0;
# 持续判定
hold_time 30s;
# 动作
actions {
log "CRITICAL: Boiler temperature too high!";
mqtt "alarms/boiler";
email "ops@example.com";
exec "/usr/local/bin/shutdown_boiler.sh";
}
# 恢复动作
recovery_actions {
log "Boiler temperature back to normal";
}
}

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rebar.config Normal file
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{erl_opts, [debug_info]}.
{deps, [
{sync, ".*", {git, "https://github.com/rustyio/sync.git", {branch, "master"}}},
{jiffy, ".*", {git, "https://github.com/davisp/jiffy.git", {tag, "1.1.1"}}},
{parse_trans, ".*", {git, "https://github.com/uwiger/parse_trans", {tag, "3.0.0"}}},
{lager, ".*", {git,"https://github.com/erlang-lager/lager.git", {tag, "3.9.2"}}}
]}.
{relx, [{release, {modbus, "0.1.0"},
[modbus,
sasl]},
{mode, dev},
%% automatically picked up if the files
%% exist but can be set manually, which
%% is required if the names aren't exactly
%% sys.config and vm.args
{sys_config, "./config/sys.config"},
{vm_args, "./config/vm.args"}
%% the .src form of the configuration files do
%% not require setting RELX_REPLACE_OS_VARS
%% {sys_config_src, "./config/sys.config.src"},
%% {vm_args_src, "./config/vm.args.src"}
]}.
{profiles, [{prod, [{relx,
[%% prod is the default mode when prod
%% profile is used, so does not have
%% to be explicitly included like this
{mode, prod}
%% use minimal mode to exclude ERTS
%% {mode, minimal}
]
}]}]}.
{erl_opts, [{parse_transform,lager_transform}]}.
{rebar_packages_cdn, "https://hexpm.upyun.com"}.

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rebar.lock Normal file
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{"1.2.0",
[{<<"fs">>,{pkg,<<"fs">>,<<"6.1.1">>},1},
{<<"goldrush">>,{pkg,<<"goldrush">>,<<"0.1.9">>},1},
{<<"gpb">>,
{git,"https://github.com/tomas-abrahamsson/gpb.git",
{ref,"edda1006d863a09509673778c455d33d88e6edbc"}},
0},
{<<"jiffy">>,
{git,"https://github.com/davisp/jiffy.git",
{ref,"50daa80a62a97ffb6dd46ea9cb8ccb4930cbf1ae"}},
0},
{<<"lager">>,
{git,"https://github.com/erlang-lager/lager.git",
{ref,"459a3b2cdd9eadd29e5a7ce5c43932f5ccd6eb88"}},
0},
{<<"parse_trans">>,
{git,"https://github.com/uwiger/parse_trans",
{ref,"6f3645afb43c7c57d61b54ef59aecab288ce1013"}},
0},
{<<"sync">>,
{git,"https://github.com/rustyio/sync.git",
{ref,"7dc303ed4ce8d26db82e171dbbd7c41067852c65"}},
0}]}.
[
{pkg_hash,[
{<<"fs">>, <<"9D147B944D60CFA48A349F12D06C8EE71128F610C90870BDF9A6773206452ED0">>},
{<<"goldrush">>, <<"F06E5D5F1277DA5C413E84D5A2924174182FB108DABB39D5EC548B27424CD106">>}]},
{pkg_hash_ext,[
{<<"fs">>, <<"EF94E95FFE79916860649FED80AC62B04C322B0BB70F5128144C026B4D171F8B">>},
{<<"goldrush">>, <<"99CB4128CFFCB3227581E5D4D803D5413FA643F4EB96523F77D9E6937D994CEB">>}]}
].

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run Executable file
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#! /bin/sh
rebar3 compile
rebar3 release
_build/default/rel/modbus/bin/modbus console