AI Agent Skill HUB

guicedee-cerial

Lifecycle-aware serial port connectivity for GuicedEE using jSerialComm and Vert.x 5: @Named CerialPortConnection injection by port number, CRTP-fluent configuration, automatic reconnect with exponential backoff, idle monitoring, MicroProfile Health reporting, status lifecycle (12 states), message-delimited reads, per-port logging, and optional OpenTelemetry tracing. Use when connecting to serial ports, configuring baud rate and flow control, handling serial data, or monitoring serial device health.

5 stars
byGuicedEE
View on GitHubInstallation ↓

Best use case

guicedee-cerial is best used when you need a repeatable AI agent workflow instead of a one-off prompt.

Lifecycle-aware serial port connectivity for GuicedEE using jSerialComm and Vert.x 5: @Named CerialPortConnection injection by port number, CRTP-fluent configuration, automatic reconnect with exponential backoff, idle monitoring, MicroProfile Health reporting, status lifecycle (12 states), message-delimited reads, per-port logging, and optional OpenTelemetry tracing. Use when connecting to serial ports, configuring baud rate and flow control, handling serial data, or monitoring serial device health.

Teams using guicedee-cerial should expect a more consistent output, faster repeated execution, less prompt rewriting.

When to use this skill

  • You want a reusable workflow that can be run more than once with consistent structure.

When not to use this skill

  • You only need a quick one-off answer and do not need a reusable workflow.
  • You cannot install or maintain the underlying files, dependencies, or repository context.

Installation

Claude Code / Cursor / Codex

$curl -o ~/.claude/skills/guicedee-cerial/SKILL.md --create-dirs "https://raw.githubusercontent.com/GuicedEE/ai-rules/main/skills/.system/guicedee-cerial/SKILL.md"

Manual Installation

  1. Download SKILL.md from GitHub
  2. Place it in .claude/skills/guicedee-cerial/SKILL.md inside your project
  3. Restart your AI agent — it will auto-discover the skill

How guicedee-cerial Compares

Feature / Agentguicedee-cerialStandard Approach
Platform SupportNot specifiedLimited / Varies
Context Awareness High Baseline
Installation ComplexityUnknownN/A

Frequently Asked Questions

What does this skill do?

Lifecycle-aware serial port connectivity for GuicedEE using jSerialComm and Vert.x 5: @Named CerialPortConnection injection by port number, CRTP-fluent configuration, automatic reconnect with exponential backoff, idle monitoring, MicroProfile Health reporting, status lifecycle (12 states), message-delimited reads, per-port logging, and optional OpenTelemetry tracing. Use when connecting to serial ports, configuring baud rate and flow control, handling serial data, or monitoring serial device health.

Where can I find the source code?

You can find the source code on GitHub using the link provided at the top of the page.

SKILL.md Source

# GuicedEE Cerial

Lifecycle-aware serial port connectivity for GuicedEE using jSerialComm and Vert.x 5.

## Core Concept

Inject `@Named` `CerialPortConnection` singletons by port number, configure with CRTP-fluent setters, and let the framework handle connection lifecycle, idle monitoring, automatic reconnect with exponential backoff, MicroProfile Health reporting, and optional OpenTelemetry tracing.

## Required Flow

1. Add `com.guicedee:cerial` dependency.
2. Inject a named connection by port number:
   ```java
   @Inject @Named("1")
   private CerialPortConnection connection;
   ```
3. Configure and connect:
   ```java
   connection.setBaudRate(BaudRate.$9600)
             .setDataBits(DataBits.$8)
             .setParity(Parity.None)
             .setStopBits(StopBits.$1)
             .setFlowControl(FlowControl.None)
             .connect();
   ```
4. Send and receive data:
   ```java
   // Write
   connection.write("Hello, device!");

   // Read (callback on Vert.x worker thread)
   connection.setComPortRead((data, port) -> {
       String message = new String(data).trim();
       System.out.println("Received: " + message);
   });
   ```
5. Configure `module-info.java`:
   ```java
   module my.app {
       requires com.guicedee.cerial;
       opens my.app.serial to com.google.guice;
   }
   ```

## Port Configuration

| Method | Default | Values |
|---|---|---|
| `setBaudRate()` | `BaudRate.$9600` | `$300` to `$256000` |
| `setDataBits()` | `DataBits.$8` | `$5`, `$6`, `$7`, `$8` |
| `setParity()` | `Parity.None` | `None`, `Odd`, `Even`, `Mark`, `Space` |
| `setStopBits()` | `StopBits.$1` | `$1`, `$1_5`, `$2` |
| `setFlowControl()` | `FlowControl.None` | `None`, `RtsCtsIn`, `RtsCtsOut`, `XonXoffIn`, `XonXoffOut` |

## Connection Status

12 states grouped into Exception, Transitional, and Active sets:
- **Active:** `Silent`, `Running`, `Logging`, `Simulation`
- **Transitional:** `Opening`, `OperationInProgress`, `FileTransfer`
- **Exception:** `Offline`, `Missing`, `Failed`, `InUse`, `GeneralException`

## Reconnect with Exponential Backoff

- Starts at 1 s, doubles each attempt, capped at 60 s
- Resets on successful reconnect
- Configurable: `setInitialReconnectDelaySeconds()`, `setMaxReconnectDelaySeconds()`

## Idle Monitoring

`CerialIdleMonitor` detects silent connections via Vert.x periodic timer. Status transitions to `Silent` when idle beyond threshold.

## Health Check

`CerialHealthCheck` implements `@Liveness`, `@Readiness`, `@Startup` and reports status of all active connections (requires `health` module).

## Non-Negotiable Constraints

- Module must `requires com.guicedee.cerial;`.
- Ports 0–999 are pre-bound as `@Named("0")` through `@Named("999")` singletons.
- Serial packages must `opens` to `com.google.guice`.
- The module is registered automatically — no `provides` needed.
- Graceful shutdown via `IGuicePreDestroy` closes all open ports.

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