import fsuipc f = fsuipc.FSUIPC() f.open() # Write Heading (Offset 0x07CC, 2 bytes) # Note: Values are usually multiplied by 65536/360 for degrees new_heading = 90 f.write(0x07CC, 2, new_heading) f.close() Use code with caution. 5. Advanced Applications for FSUIPC Python
Python’s entry into this space is primarily facilitated by client wrappers like the fsuipc Python package and pyuipc . These libraries allow developers to interact with the simulator using Pythonic syntax rather than low-level memory offsets. This synergy is particularly powerful for several use cases:
: It supports building a wide range of external tools, such as custom ACARS clients, external gauges, and even hardware bridges for Linux users via tools like wineUIPC . Cons
The key to unlocking FSUIPC's full power is understanding . Every piece of data you want to read or write is located at a specific memory address, or offset. For example: fsuipc python
Typical offset categories:
The workflow of any FSUIPC Python script follows a simple pattern: Open a connection to FSUIPC. Prepare the offsets you want to read or write. Process the data loop. Close the connection. Let's dive into practical code examples. Example 1: Reading Live Flight Data
The standard way to interact with FSUIPC in Python is using the fsuipc library. import fsuipc f = fsuipc
You must have FSUIPC (FSUIPC7 for MSFS, or the relevant version for older sims) installed and running. Python: Python 3.8+ installed on your Windows machine. Installation
: It allows you to read and write "offsets"—hexadecimal memory locations that represent everything from aircraft speed and fuel levels to switch positions and light statuses.
The biggest barrier to entry is the FSUIPC SDK documentation. To use Python with FSUIPC, you must understand Memory Offsets . You don't ask the sim for "Altimeter setting"; you have to know that you need to read "Offset 0330" and that it is a 2-byte integer that needs to be divided by 16 to get the correct value. These libraries allow developers to interact with the
The potential for Python scripting in flight simulation is massive. A. Custom Hardware Interface
Before writing code, you need the following installed:
At its core, FSUIPC (Flight Simulator Universal InterProcess Communication) is a cornerstone utility for Microsoft Flight Simulator, FSX, and Prepar3D. It acts as a universal interface, allowing third-party programs to read from and write to the inner workings of the simulator. Think of it as a massive database of real-time flight data and a control hub. It allows you to read any parameter—from your precise latitude and longitude to the fuel level in your left wing tank—and to write to any control, such as setting the autopilot altitude, toggling the landing gear, or adjusting the throttle.