DAQiFi Core Library

The DAQiFi Core Library is a .NET library designed to simplify interaction with DAQiFi devices. It provides a robust and intuitive API for discovering, connecting to, and communicating with DAQiFi hardware, making it an ideal choice for developers building applications that require data acquisition and device control.

Features

✅ Available Now

• Device Discovery: Find DAQiFi devices connected via WiFi, USB/Serial, or HID bootloader mode
• Transport Layer: UDP and Serial communication support with async/await patterns
• Protocol Buffers: Efficient binary message serialization for device communication
• Cross-Platform: Compatible with .NET 8.0 and .NET 9.0

🚧 In Development

• Connection Management: Establish and manage connections with minimal effort
• Channel Configuration: Support for both analog and digital channels
• Data Streaming: Stream data from devices in real-time
• Firmware Updates: Manage firmware updates seamlessly

Getting Started

Installation

dotnet add package Daqifi.Core

Quick Start: Device Discovery

using Daqifi.Core.Device.Discovery;

// Discover WiFi devices on your network
using var wifiFinder = new WiFiDeviceFinder();
wifiFinder.DeviceDiscovered += (sender, e) =>
{
    var device = e.DeviceInfo;
    Console.WriteLine($"Found: {device.Name} at {device.IPAddress}");
    Console.WriteLine($"  Serial: {device.SerialNumber}");
    Console.WriteLine($"  Firmware: {device.FirmwareVersion}");
};

var devices = await wifiFinder.DiscoverAsync(TimeSpan.FromSeconds(5));
Console.WriteLine($"Discovery complete. Found {devices.Count()} device(s)");

// Discover USB/Serial devices
using var serialFinder = new SerialDeviceFinder();
var serialDevices = await serialFinder.DiscoverAsync();

foreach (var device in serialDevices)
{
    Console.WriteLine($"Serial Port: {device.PortName}");
}

Advanced Discovery Options

// Use cancellation tokens for fine-grained control
using var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromSeconds(10));

try
{
    var devices = await wifiFinder.DiscoverAsync(cts.Token);
}
catch (OperationCanceledException)
{
    Console.WriteLine("Discovery was cancelled");
}

// Discover on custom UDP port (default is 30303)
using var customFinder = new WiFiDeviceFinder(port: 12345);
var customDevices = await customFinder.DiscoverAsync();

Supported Devices

The library automatically detects DAQiFi hardware:

• Nyquist 1: DAQiFi's data acquisition device
• Nyquist 3: DAQiFi's advanced data acquisition device

Both devices are identified by their part number in the discovery response.

Connection Types

• WiFi: Network-connected devices discovered via UDP broadcast
• Serial: USB-connected devices enumerated via serial ports
• HID: Devices in bootloader mode (requires platform-specific HID library)

Real-World Usage

This library powers the DAQiFi Desktop application and is designed for:

• Custom data acquisition applications
• Automated testing systems
• Industrial monitoring solutions
• Research and development tools
• Any application requiring DAQiFi device integration

Requirements

• .NET 8.0 or .NET 9.0
• For WiFi discovery: UDP port 30303 must be accessible (firewall configuration may be required)
• For Serial discovery: Appropriate USB drivers for your platform
• Admin privileges may be required for firewall configuration on Windows

Publishing

This library follows semantic versioning (MAJOR.MINOR.PATCH):

• MAJOR: Breaking changes
• MINOR: New features (backwards compatible)
• PATCH: Bug fixes

Releases are automated via GitHub Actions:

1. Create a new GitHub Release
2. Tag it with vX.Y.Z (e.g. v1.0.0)
3. For pre-releases, use -alpha.1, -beta.1, -rc.1 suffixes
4. Publishing to NuGet happens automatically on release