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INDI Drivers

Drivers for AMSKY and AMFOC01 devices

The indi-astrometers package provides three INDI drivers for AstroMeters devices:

  • AMSKY (indi_amsky01) – Sky quality and cloud sensor (AMSKY01 / AMSKY02), direct serial connection
  • AMSKY Viewer API (indi_amsky01_api) – HTTP API client of the AMSKY Viewer GUI app
  • AMFOC01 (indi_amfoc01) – Motorized focuser controller

All drivers are distributed in the indi-astrometers GitHub repository.

Installation

1. Clone the repository

git clone https://github.com/AstroMeters/indi-astrometers.git
cd indi-astrometers

2. Build the drivers

Make sure CMake and the INDI Core library are installed on your system.

mkdir build && cd build
cmake ..
make -j4

3. Install

sudo make install
sudo ldconfig

This will install all drivers (indi_amsky01, indi_amsky01_api, indi_amfoc01) into your system’s INDI driver path.

Usage

The following examples show usage from the command line (CLI). It is also possible to use any INDI-compatible client, such as the graphical KStars/Ekos environment.

AMSKY Driver

Run the driver manually:

indi_amsky01

Or start it via indiserver:

indiserver indi_amsky01

The driver communicates with the AMSKY02 (or legacy AMSKY01) sensor via USB or RS-485. The driver name indi_amsky01 is kept for compatibility and works with both sensor generations. It provides the following features:

  • Sky brightness measurement (SQM equivalent)
  • Cloud detection using thermopile sensor
  • Ambient temperature and humidity monitoring
  • Full compatibility with INDI clients (KStars/Ekos, etc.)

AMSKY Viewer API Driver

indiserver indi_amsky01_api

Instead of opening the serial port itself, this driver reads data from the HTTP API of the running AMSKY Viewer application (by default http://localhost:8080/data.json, configurable). This lets the viewer GUI and INDI clients use the sensor at the same time.

AMFOC01 Driver

Run the driver manually:

indi_amfoc01

Or start it via indiserver:

indiserver indi_amfoc01

The driver supports the AMFOC01 focuser with features:

  • Absolute/relative position control
  • Stepper motor driver integration
  • Temperature compensation
  • Full compatibility with INDI/Ekos focusing tools

Testing the installation

You can verify the installation by listing drivers:

indiserver -v indi_amsky01 indi_amfoc01

Connect your devices, then open KStars/Ekos, add the drivers, and check communication in the INDI Control Panel.

Repository & Issues

For source code, updates, and bug reports: indi-astrometers GitHub repository