AS 909 clone Source Code

Focuser and Guider only functionality

Code is applicable to Microchip 12F629 and 16F627/16F628.

Meant to be compiled by Hi-Tech C Lite PIC compiler.

Use Microchip MP LAB IDE and define a project using the above compiler and the contained 4 files. See source as_is2c.h file for change needed if hand compiling. V0.3: Hex files for both the 12F629 guider only and 16F628 for full functionality included.



All downloads and use of the code are subject to the following terms: Software and source code Copyright (C) 2008 GC. This software is copyright under the following conditions: Permission to use, copy, and modify this software and its documentation is

hereby granted to all academic and not-for-profit institutions and individuals without fee, provided that the above copyright notice and this permission notice appear in all copies of the software and related documentation. Permission to distribute the software verbatim is NOT explicitly granted. Significantly modified or extended versions thereof on a not-for-profit basis is explicitly granted, under the above conditions.


However, the right to use this software by companies or other for profit organizations, or in conjunction with for profit activities, and the right to distribute the software or modified or extended versions thereof for profit are NOT granted except by prior arrangement and written consent of the copyright holder. For these purposes, downloads of the source code constitute "use" and downloads of this source code by for profit Organizations and/or distribution to for profit institutions in explicitly prohibited without the prior consent of the copyright holder. Use of this source code constitutes an agreement not to criticize, in any way, the code-writing style of the author, including any statements regarding the extent of documentation and comments present. The software is provided "AS-IS" and without warranty of any kind, express, implied or otherwise, including without limitation, any warranty of merchantability or fitness for a particular purpose. In no event shall the author be liable for any special, incidental, indirect or consequential damages of any kind, or any damages whatsoever resulting from loss of use, data or profits, whether or not advised of the possibility of damage, and on any theory of liability, arising out of or in connection with the use or performance of this software.


Software source download

Version 0.2 is fully compatible even if you do not add the focuser hardware, you�ll just have some extra pins toggle on the 16F62X . There is no change for the 12F629 PIC chip, both sources are identical for that chip.


If you agree to the above terms, click here for version 0.3 (focuser and guider, guider only, including hex files for both)

If you agree to the above terms, click here for version 0.2 (focuser and guider)

If you agree to the above terms, click here for version 0.1 (guider only)