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CSAT Project ============ README ====== Introduction ============ First of all, CSAT stands for Control System for an Amateur Telescope. So, the main idea of CSAT is the developing of a TCS (Telescope Control System) for amateur telescopes, in general, as a first exercise for the construction of, later, a gTCS, a generic TCS, which would be a framework that could be used as a base for any TCS that you may want to write for a particular telescope. The main information resource is the twiki page that is mantained with the last information about the development of CSAT, and can be found in: * https://csrg.inf.utfsm.cl/twiki4/bin/view/ACS/ControlAmateurTelescope CSAT is developed over ACS, the ALMA Common Software, a distributed system framework provided by the ALMA project. So if you want to use CSAT for any specific purpose, you must have ACS installed on your PC first. Actually ACS runs over Scientific Linux 4.1 officially, but there is a version for newer Linux distributions patched by the UTFSM ACS Team. Further information can be found in: * https://csrg.inf.utfsm.cl/twiki4/bin/view/ACS/RepackagingAcs The CSAT project has been under development since March, 2007, and since then is has been growing and growing, so at the time it has several separated modules, some of them depending on other ones, so here you can find an explanation about each one of these modules, and the dependencies over them. Compiling ========= For compilation, just type: $> make build This will clean all the modules (if anything is compiled), then will build and install each module by separated, in the proper order that they must be done. The modules =========== The modules available on the CSAT project are: * EXTERNALS/jogl: This module contains the neccessary java classes for using the OpenGL API in Java. * EXTERNALS/rxtx: This module contains java classes and shared libraries for the use of the serial port in the Java language. * EXTERNALS/serialRS232: This module contains the SerialRS232 C++ class used for communicate with the serial port. It provides an easy way to handle this communication with a class abstraction layer. The original code was written by Pablo de Vicente, but it has been modified to make it more generic and efficient. * telecli: The telecli module consists in a simple C-written application that allows you to control a Celestron Nexstar 4 SE telescope via command line. It supports several commands to be sent to the telescope, and more can be added. It works only as a stand-alone application. This module was developed initially with the purpose of learning how to connect to the telescope, so there is not any ACS component in this module. * garmingpscli: The garmingpscli module consists in a simple C-written program that allows you to access a Garmin eTrex Legend GPS through the serial port. This application is very simple, but more complexity can be added to it. Anyways, this only intends to be a little example on how to access the GPS, in order to write an ACS component that can do so, so the application will stay simple. * lpiRQ: The lpiRQ (LPI Research Quest) module includes two applications that connects to a Meade LPI CCD. One of them is a command line application that grabs a frame from the CCD and stores it in a file, and the other one consists on a GUI that shows the image that is coming from the CCD, and where you can change the different parameters of this device on a easy way. There is no ACS component on this module because of the same reason that the telecli don't have either: the main idea of this module was to learn how to connect to the CCD and obtain information from it. NOTE: For the lpiGui software to compile and run, you need the hacked version of the sn9c1xx driver, derived from the 1.34 version of the original one. This driver offers two additional ioctl's calls, each of them getting the value of a register of the CCD that was not being read on the original driver. With this, we can do a control loop over the reset level value of the CCD, and this will allow us to don't get stuck the process that is reading the images from the device. The modified module can be found in: git://csrg.inf.utfsm.cl/rtobar/sn9c1xx.git * telesim: The telesim module, as it name says, is a telescope simulator. It currently simulates the Celestron Nexstar 4 SE telescope, and is written in Java (an older version was written in C, but was thrown away). The class design of the simulator allows you to include more telescopes to the simulator. Currently there are plans to include the Meade LX200 telescope to this simulator. Also, this module includes a ACS component for connecting to the simulator via ACS, so you can use the simulator connecting to it with your personal component. * amTCS: This module (amateur TCS) is the main one. It consists on a TCS that, with the information coming from the telescope, the CCD and a GPS, and some logic and calculations written on it, it controls the telescope's movement for observing some objective. It includes many ACS components, and all their configuration and testing, among other things. There are many improvements that have to be done over the amTCS, because it is the main module of the CSAT project, so they will be. At the moment of writing, the GPS is still not connected to the amTCS, so a PC clock and fixed ubication values are being used. Only the trunk is compiled, while the other branches are test-purpose only. * extClients: This modules contains a wrapper for communicating the amTCS with clients that should connect to a telescope. For example, kstars can be configured to communicate with a Celestron Nexstar telescope. The wrapper creates a device that listens to the incomming request sent from the external clients to a serial port, and translates them into CSAT's calls. This gives the chance to use external clients with their UIs to control any telescope attached to CSAT, even when the telescope is not supported by the external client. * Hevelius: Finally, Hevelius is a GUI client for the amTCS components. It is written in Java, and was developed initially for the "Feria de Software 2007", but now (that this event has passed away) it is being mantained to satisfy the requirements of the CSAT project. The authors of each module, and the contributors, are listed on the AUTHORS and CREDITS files, respectively, so look at them if you want to know more about them. The dependencies ================ The dependecies between the modules are as follows: ------------- ---------------- -------------- | lpiRQ/lpi | | lpiRQ/lpiGui | | extClients | ------------- ---------------- -------------- | | V ------------- ---------------- ------------- ------------- | telecli | | garmingpscli | | amTCS |<---- | Hevelius | ------------- ---------------- ------------- ------------- | | / | | | | / | | | | / V | | | / ------------- | | | / | telesim | | | | / ------------- | | | / | | | | / | | V V V V V ------------------------- ------------------ ------------------ | EXTERNALS/serialRS232 | | EXTERNALS/rxtx | | EXTERNALS/jogl | ------------------------- ------------------ ------------------
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