/* -------------------------------------------------------------------------- */ /* - Header for NexStar auxiliary command set telescope control - */ /* -------------------------------------------------------------------------- */ /* */ /* Copyright 2009-2012 John Kielkopf */ /* kielkopf@louisville.edu */ /* */ /* Distributed under the terms of the General Public License (see LICENSE) */ /* */ /* Date: July 22, 2012 */ /* Version: 6.0 */ /* */ /* History: */ /* */ /* January 1, 2009 */ /* Version 1.0 */ /* Released */ /* */ /* July 27, 2009 */ /* Version 1.1 */ /* Consistent with latest version */ /* */ /* November 28, 2009 */ /* Version 1.6 */ /* Default focus calibration added */ /* */ /* December 2, 2009 */ /* Version 1.8 */ /* Corrected cross meridian error */ /* */ /* August 21, 2010 */ /* Version 2.0 */ /* Added device option for serial port */ /* Bumped version number to match current xmtel */ /* Added telserial to configuration file */ /* */ /* October 23, 2010 */ /* Version 2.1 */ /* Focus routine made an external function */ /* */ /* January 29, 2012 */ /* Compatible with latest xmtel */ /* Version 2.4 */ /* */ /* July 1, 2012 */ /* Version 6.0 */ /* Compatibility with current xmtel */ /* Updated leapsecond to 35.0 */ /* Focus and temperature files */ #define FOCUSFILE "/usr/local/observatory/status/telfocus" #define TEMPERATUREFILE "/usr/local/observatory/status/teltemperature" #define ROTATEFILE "/usr/local/observatory/status/rotate" #define MAXPATHLEN 100 /* CDK20 motors are 500 cpr x 5.9 gear x 3 cog x 360 worm = 3,186,000 cpr */ /* Celestron processes this count and reports 24 bits per turn */ /* Stepsize for RA and Dec encoders */ /* 24 bits = 16777216 */ /* Dec: 24 bits = 360 degrees */ /* RA: 24 bits = 24 hours */ #define ALTCOUNTPERDEG 46603.3778 #define AZCOUNTPERDEG 46603.3778 /* The protocol requires 24 bit counters */ /* Search for 16777 in protocol.c to see where this is used */ /* Set this for maximum slew rate in degree/sec for some controllers */ /* A very safe choice is 2 but it takes a long time to slew at this rate */ /* A compromise is 4 which is still slower than the CGE Pro default */ /* A rate that is certainly too fast is the CGE Pro default of 8 */ /* Not only is a slower rate safer in case of a collision, but the */ /* lower accelerations should reduce wear in robotic system with */ /* frequent slews. */ /* Site parameters are not defined here. */ /* The difference between terrestrial and ephemeris time is determined */ /* by the accumulated number of leapseconds at this moment. */ /* Updated on July 1, 2012 from 34.0 */ #define LEAPSECONDS 35.0 /* Important constant */ #define PI 3.14159265358 /* The following parameters are used internally to set speed and direction. */ /* Do not change these values. */ /* Slew motion speeds */ #define GUIDE 1 #define CENTER 2 #define FIND 4 #define SLEW 8 /* Slew directions */ #define NORTH 1 #define SOUTH 2 #define EAST 4 #define WEST 8 /* Focus commands */ /* Distance from the CCD to the focal plane */ /* Direction is + from the CCD toward the sky */ /* Used by Focus(focuscmd, focusspd) */ #define FOCUSSPD4 8 /* Fast */ #define FOCUSSPD3 4 /* Medium */ #define FOCUSSPD2 2 /* Slow */ #define FOCUSSPD1 1 /* Precise */ #define FOCUSCMDOUT 1 /* CCD moves away from sky */ #define FOCUSCMDOFF 0 /* CCD does not move */ #define FOCUSCMDIN -1 /* CCD moves toward the sky */ /* Rotator commands */ #define ROTATESPDFAST 3 /* Fast set */ #define ROTATESPDSLOW 2 /* Slow set */ #define ROTATESPDSIDEREAL 1 /* Sidereal rate */ #define ROTATECMDCW 1 /* Camera rotates CW looking toward the sky */ #define ROTATECMDOFF 0 /* Camera does not rotate */ #define ROTATECMDCCW -1 /* Camera rotates CCW looking toward the sky */ /* Fan commands */ #define FANCMDHIGH 2 /* Cooling fan on high speed */ #define FANCMDLOW 1 /* Cooling fan on low speed */ #define FANCMDOFF 0 /* Cooling fan off */ /* Dew heater commands */ #define HEATERCMDHIGH 2 /* dew heater on high */ #define HEATERCMDLOW 1 /* dew heater on low */ #define HEATERCMDOFF 0 /* dew heater off */ /* Pointing models (bit mapped and additive) */ #define RAW 0 /* Unnmodified but assumed zero corrected */ #define OFFSET 1 /* Correct for target offset*/ #define REFRACT 2 /* Correct for atmospheric refraction */ #define POLAR 4 /* Correct for polar axis misalignment */ #define DYNAMIC 8 /* Correct for errors in real time */ /* Display epochs (selected with GUI button) */ #define J2000 0 /* Epoch 2000.0 as entered or precessed without pm */ #define EOD 1 /* Epoch of date with pm if available (default) */ /* Mounts */ #define ALTAZ 0 /* Alt-azimuth mount with at least 2-axis tracking */ #define EQFORK 1 /* Equatorial fork */ #define GEM 2 /* German equatorial */ /* Slew tolerances intentionally kept large to minimize looping */ #define SLEWTOLRA 0.006667 /* 0.1/15 hour or 24 seconds of time */ #define SLEWTOLDEC 0.1 /* 0.1 degree or 6 minutes of arc */ #define SLEWFAST 0 /* Set to 1 for fast slew with caution !! */ /* Slew software limits */ #define MINTARGETALT 10. /* Minimum target altitude in degrees */