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McpX

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McpX is a library for communicating with Mitsubishi Electric PLCs using the MC protocol. It features a simple and easy-to-use API, allowing you to communicate without worrying about MC protocol details. It runs on various platforms, including Linux, Windows, and macOS.

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<a href="README_JA.md">日本語</a> | <a href="README.md">English</a>

**McpX is a library for communicating with Mitsubishi Electric PLCs using the MC protocol.**  
It features a simple and easy-to-use API, allowing you to communicate without worrying about MC protocol details.  
It runs on various platforms, including Linux, Windows, and macOS.

## Installation
### .NET CLI
```sh
dotnet add package McpX
```
### Package Manager(Visual Studio)
```sh
PM> NuGet\Install-Package McpX
```

## Example Usage 
```csharp
using McpXLib;
using McpXLib.Enums;

// Connect to PLC by specifying IP and port
using (var mcpx = new McpX("192.168.12.88", 10000))
{
 // Read 7000 points starting from M0
 bool[] mArr = mcpx.BatchRead<bool>(Prefix.M, "0", 7000);
 
 // Read 7000 words starting from D1000
 short[] dArr = mcpx.BatchRead<short>(Prefix.D, "1000", 7000);

// Write 1234 to D0 and 5678 to D1 as signed 32-bit integers
 mcpx.BatchWrite<int>(Prefix.D, "0", [1234, 5678]);
}
```
[C# and Visual Basic samples are available here.](https://github.com/YudaiKitamura/McpX/tree/main/Example)

## Supported Commands

| Name | Description | Synchronous Method | Asynchronous Method |
|------------------------------|------------------------------------------------------------------------|---------------------------------------------------------|------------------------------------------------------------------|
| **Single Read** | Reads a single value from the specified device. | `Read<T>(Prefix prefix, string address)` | `ReadAsync<T>(Prefix prefix, string address)` |
| **Single Write** | Writes a single value to the specified device. | `Write<T>(Prefix prefix, string address, T value)` | `WriteAsync<T>(Prefix prefix, string address, T value)` |
| **Batch Read** | Reads multiple consecutive values starting from the specified address. | `BatchRead<T>(Prefix prefix, string address, ushort length)` | `BatchReadAsync<T>(Prefix prefix, string address, ushort length)` |
| **Batch Write** | Writes an array of values to consecutive device addresses. | `BatchWrite<T>(Prefix prefix, string address, T[] values)` | `BatchWriteAsync<T>(Prefix prefix, string address, T[] values)` |
| **Random Read** | Reads values from non-consecutive devices (bit / word / double-word). | `RandomRead(Action<RandomReadBuilder> build)` | `RandomReadAsync(Action<RandomReadBuilder> build)` |
| **Random Write** | Writes values to non-consecutive devices (bit / word / double-word). | `RandomWrite(Action<RandomWriteBuilder> build)` | `RandomWriteAsync(Action<RandomWriteBuilder> build)` |
| **Monitor Registration** | Registers devices to monitor and returns a `MonitorSession`. | `MonitorRegist(Action<MonitorBuilder> build)` | `MonitorRegistAsync(Action<MonitorBuilder> build)` |
| **Monitor Read** | Reads the latest values of registered devices via the returned session. | `MonitorSession.Read()` | `MonitorSession.ReadAsync()` |
| **Remote Password Lock/Unlock** | Automatically locks the PLC with the specified remote password when the instance is created and unlocks it when disposed. | `McpX(string ip, int port, string? password = null)` | – |

## Supported Protocols
- TCP
- UDP
- 3E frame (binary code)
- 3E frame (ASCII code)
- 4E frame (binary code)
- 4E frame (ASCII code)

## Roadmap
- [x] ~~3E frame (ASCII code) support~~
- [x] ~~4E frame (binary code) support~~
- [x] ~~4E frame (ASCII code) support~~
- [x] ~~UDP support~~
- [ ] GX Simulator support – In progress

## Changelog
- [CHANGELOG.md](./CHANGELOG.md)

## Related
- [mcpx-mcp-server](https://github.com/YudaiKitamura/mcpx-mcp-server) An MCP(Model Context Protocol) server that enables real-time access to Mitsubishi Electric PLC devices from generative AI.

McpX

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