Merge remote-tracking branch 'origin/master'

Author: piotrmaciejbednarski

.github/workflows/rust.yml

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+name: Rust
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build
+      run: cargo build --verbose
+    - name: Run tests
+      run: cargo test --verbose

LICENSE

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+MIT License
+
+Copyright (c) 2025 Piotr Bednarski
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# Megatec UPS Control Library (Rust)
+
+A Rust library for interfacing with Megatec protocol-compatible UPS (Uninterruptible Power Supply) devices via USB. This library provides a safe, high-level interface for monitoring and controlling UPS devices.
+
+The library was created from scratch, initially in C, but rewritten in Rust. Through reverse engineering and in-depth analysis of the UPSilon 2000 program, I discovered how the program communicates with the UPS device.
+
+This project is the only library in the world that has collected all the functionalities of the UPSilon 2000 program, making them open-source. The library supports the Mega(USB) protocol created by Mega System Technologies, Inc.
+
+## Features
+
+- 🔌 USB device connection management
+- 📊 Real-time UPS status monitoring
+- 🔋 Battery testing capabilities
+- 🔔 Beep control
+- 📈 Rating information retrieval
+- 🛑 Emergency shutdown control
+
+## Installation
+
+Add this to your `Cargo.toml`:
+
+```toml
+[dependencies]
+megatec-ups-control = "0.1.0"
+```
+
+## Usage
+
+Basic example:
+
+```rust
+use megatec_ups_control::{MegatecUps, Result, UpsStatus};
+
+fn main() -> Result<()> {
+    // Create a new UPS connection
+    // Replace these with your actual vendor and product IDs
+    let ups = match MegatecUps::new(0x0001, 0x0000) {
+        Ok(ups) => {
+            println!("Successfully connected to UPS device");
+            ups
+        }
+        Err(e) => {
+            println!("Failed to connect to UPS device: {:?}", e);
+            return Err(e);
+        }
+    };
+
+    // Get UPS name
+    let name: String = ups.get_name()?;
+    println!("UPS Name: {}", name);
+
+    // Get UPS status
+    let status: UpsStatus = ups.get_status()?;
+    println!("UPS Status:");
+    println!("  Input Voltage: {} V", status.input_voltage);
+    println!("  Input Fault Voltage: {} V", status.input_fault_voltage);
+    println!("  Output Voltage: {} V", status.output_voltage);
+    println!("  Output Current: {}%", status.output_current);
+    println!("  Input Frequency: {} Hz", status.input_frequency);
+    println!("  Battery Voltage: {} V", status.battery_voltage);
+    println!("  Temperature: {} °C", status.temperature);
+
+    // Perform a 10-second test
+    println!("Performing 10-second test...");
+    ups.test()?;
+
+    Ok(())
+}
+```
+
+## API Reference
+
+### Main Types
+
+#### `MegatecUps`
+Main structure for interacting with the UPS device.
+
+```rust
+let ups = MegatecUps::new(vendor_id, product_id)?;
+```
+
+#### `UpsStatus`
+Structure containing UPS status information:
+- `input_voltage`: Input voltage (V)
+- `input_fault_voltage`: Input fault voltage (V)
+- `output_voltage`: Output voltage (V)
+- `output_current`: Output current (%)
+- `input_frequency`: Input frequency (Hz)
+- `battery_voltage`: Battery voltage (V)
+- `temperature`: Temperature (°C)
+
+### Key Methods
+
+#### Device Information
+- `get_name()` - Get UPS name
+- `get_rating()` - Get UPS rating information
+- `get_status()` - Get UPS status with acknowledgment
+- `get_status_no_ack()` - Get UPS status without acknowledgment
+
+#### Testing Functions
+- `test()` - Perform 10-second test
+- `test_until_battery_low()` - Test until battery is low
+- `test_with_time(minutes)` - Test for specified duration
+- `abort_test()` - Abort current test
+
+#### Control Functions
+- `switch_beep()` - Toggle UPS beep
+- `shutdown()` - Initiate UPS shutdown (1-minute delay)
+
+## Error Handling
+
+The library uses a custom error type `UpsError` with the following variants:
+- `Usb(UsbError)` - USB communication errors
+- `InvalidResponse` - Invalid or unexpected device response
+- `InvalidTime` - Invalid time value for testing
+
+## Test Duration Calculation
+
+The library includes a special algorithm for calculating test durations:
+- 1-9 minutes: values 101-109
+- 10-19 minutes: values 125-134
+- 20-99 minutes: calculated using range-based formula
+
+## Building from Source
+
+```bash
+# Clone the repository
+git clone https://github.com/piotrmaciejbednarski/megatec-ups-control
+cd megatec-ups-control
+
+# Build the library
+cargo build --release
+```
+
+## Contributing
+
+Contributions are welcome! Please feel free to submit a Pull Request.
+
+## License
+
+This project is licensed under the MIT License - see the LICENSE file for details.