refactor: update README

Author: AhmedYasserrr

README.md

@@ -1,80 +1,33 @@
-# Pyectool
+# libectool  
 
-**Pyectool** is a Python package with C++ bindings for interacting with the Embedded Controller (EC) on ChromeOS and Framework devices. It is extracted from and based on [`ectool`](https://gitlab.howett.net/DHowett/ectool) utility, and exposes EC control functions directly to Python programs via a native extension.
+libectool is a shared library extracted from ectool, providing programmatic access to Embedded Controller (EC) functionalities on ChromeOS and compatible devices.  
 
-## Features
-
-- Python bindings for EC functionality using `pybind11`.
-- Supports fan duty control, temperature reading, AC power status, and more.
-- Designed for integration with hardware management or fan control tools.
-- Shared core logic with `libectool` for C/C++ integration.
-
----
-
-## Build & Install (Python Package)
-
-We use [`scikit-build-core`](https://scikit-build-core.readthedocs.io/en/latest/) to build the C++ extension via CMake.
-
-### Prerequisites
-
-Install the required system dependencies:
+## Features  
+- Exposes EC control functions via a shared library (`libectool.so`).  
+- Supports fan control, battery management, temperature monitoring, and more.  
+- Designed for integration into other applications.  
 
+## Build Instructions  
 ```sh
-sudo apt update
-sudo apt install -y libusb-1.0-0-dev libftdi1-dev pkg-config
-````
-### Clone the repository
-
-## Install system-wide
-```sh
-sudo pip install .
-```
-Or:
-
-```bash
-sudo env "PIP_BREAK_SYSTEM_PACKAGES=1" pip install .
+cd libectool
+mkdir build && cd build
+cmake ..
+cmake --build .
 ```
-(Required on modern distros like Ubuntu 24.04 due to PEP 668.)
-
-### Test from outside the repo dir
-After installing, **do not run Python from the `libectool/` directory**, since it contains a `pyectool/` folder that may shadow the installed package.
-
-Instead, test from another location, e.g.:
+##  Post Build Instructions
+After building, you need to move `libectool.so` to a library directory where it can be found by your system:
 
+### Option 1 — User-specific (Recommended for non-root users)
 ```sh
-cd ..
-sudo python -c "import pyectool; print(pyectool.is_on_ac())"
+mkdir -p ~/.local/lib
+cp src/core/libectool.so ~/.local/lib/libectool.so
+export LD_LIBRARY_PATH="$HOME/.local/lib:$LD_LIBRARY_PATH"
 ```
-
-## VENV INSTALLATION
-
-If you **don’t** want to touch system Python:
-
-### Create venv
-
-```bash
-python3 -m venv ~/.venv/pyectool
-source ~/.venv/pyectool/bin/activate
-```
-
-### Install your package
-
-Inside the venv:
-```bash
-pip install .
+To make it persistent across sessions, add the export to your shell configuration:
+```sh
+echo 'export LD_LIBRARY_PATH="$HOME/.local/lib:$LD_LIBRARY_PATH"' >> ~/.bashrc
 ```
-### Test from outside the repo dir
-```bash
-cd ..
-sudo env "PATH=$PATH" python -c "import pyectool; print(pyectool.is_on_ac())" 
+### Option 2 — Global installation
+```sh
+sudo cp src/core/libectool.so /usr/local/lib/libectool.so
 ```
-
-### Available Functions
-
-| Function                                   | Description                                                                      |
-| ------------------------------------------ | -------------------------------------------------------------------------------- |
-| `auto_fan_control()`               | Enables automatic fan control by the EC.                             |
-| `get_max_non_battery_temperature() -> float` | Returns the highest temperature (in °C) from all sensors except the battery.     |
-| `get_max_temperature() -> float`             | Returns the highest temperature (in °C) from all EC sensors including battery.   |
-| `is_on_ac() -> bool`                       | Checks whether the device is running on AC power.                                |
-| `set_fan_duty(percent: int)`               | Sets the fan duty cycle manually (0–100%).                                       |