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26.FOURC> while (wait(0x22)) {27.more> getangles28.more> printf("%10.4f\r", A[tth])29.more> }30.FOURC>As in C, continue and break statements may be used within loops. The statementexit can be used anywhere and always causes a jump back to the command level.MacroFacilityOne of spec’s most powerful features is its provision for defining macros. Throughmacros, you can simplify use of the diffractometer as well as determine the style andformat of the data output. Through the macro facility, you can customize the environmentto include any enhancements or specialized requirements for your experiment.Standard macro sets included in the spec package support conventional twocircle,four-circle and z-axis diffractometers along with some specialized liquid surfacediffractometers. These macros control the measurement and the recording ofexperimental data and establish a standard format for ASCII data files.An example of a simple macro that can be used to record a comment on the printer is30.FOURC> def com ’31.quot> on(PRINTER)32.quot> printf("$*\n")33.quot> off(PRINTER)34.quot> ’35.FOURC>Notice the prompt shows the program is expecting the quote to be closed. The variablePRINTER contains a string naming the printer device used to document thediffractometer operation. To use the above macro, type:35.FOURC> com This is a comment.This is a comment.36.FOURC>The text This is a comment is substituted in the printf() function for the symbol$* and is printed on both the screen and the printer.Each argument following a macro call is available to the macro using $1, $2, ... ,where $1 refers to the first argument, and so on. Up to 25 arguments may be used.An argument is a string of characters separated by white space (spaces and tabs) orenclosed in single or double quotes, $* represents all the arguments, and $# is thenumber of arguments.22 USER MANUAL AND TUTORIALS INTERIM WORK-IN-PROGRESS (8/16/01) NOT FOR GENERAL DISTRIBUTION
When a macro definition contains argument substitution, and you invoke that macrowith more arguments than needed, the extra arguments you typed up to the next ; , }or newline disappear. However, ifthe macro does not use argument substitution inits definition, text typed following the macro invocation is not thrown away.To see what a macro contains, use the command prdef to print out the macro definition.36.FOURC> prdef comdef com ’on(PRINTER)printf("$*\n")off(PRINTER)’37.FOURC>Notice that the form of the definition, if written to a file, would be suitable for readingback in as a macro definition.The standard macro library is read automatically the first time you run spec orwhen you start the program with the -f flag. You can get a listing of all the currentlydefined macros with the command lsdef .37.FOURC> lsdefALPHA (4) bug (275) hklscan (1639) qdo (10)AZIMUTH (4) ca (182) hkradial (334) rplot (10)BETA (4) calcA (7) hlcircle (339) rplot_res (112)CEN (10) calcE (7) hlradial (333) save (432)Escan (1448) calcG (7) hscan (139) savegeo (1121)F_ALPHA (4) calcHKL (7) initdw (42) saveslits (99)F_AZIMUTH (5) calcL (8) initfx (39) saveusr (0)F_BETA (4) calcM (7) initnec (44) savmac (118)F_OMEGA (5) calcZ (7) initoki (39) scan_head (5)F_PHI (5) cat (14) inittemp (33) scan_loop (5)Fheader (0) cd (11) klcircle (339) scan_move (5)Flabel (2) ci (177) klradial (333) scan_on (192)Fout (2) cl (22) kscan (139) scan_plot (0)Ftail (0) com (12) l (16) scan_tail (5)H (4) comment (184) less (15) set (344)K (4) config (109) lm (539) set_E (314)L (4) count (6) lp_plot (674) set_dial (649)LAMBDA (4) ct (47) ls (13) set_lm (349)OMEGA (4) cuts (764) lscan (139) setaz (448)Pheader (0) cz (177) lup (419) setlat (764)Plabel (2) d (12) mail (16) setmode (927)Pout (2) d2scan (564) measuretemp (1) setmono (368)RtoT_0 (162) d3scan (688) mesh (1221) setplot (1119)RtoT_1 (162) debug (212) mk (175) setpowder (867)RtoT_2 (161) do (9) move_E (208) setscans (67)RtoT_3 (163) dscan (95) move_em (8) setsector (1341)TtoR_0 (160) dtscan (143) mv (175) setslit (464)INTERIM WORK-IN-PROGRESS (8/16/01) NOT FOR GENERAL DISTRIBUTION USER MANUAL AND TUTORIALS 23
Page 1 and 2: spec X-Ray Diffraction SoftwareUSER
Page 3 and 4: specX-Ray Diffraction SoftwareCerti
Page 5 and 6: TABLE OF CONTENTSUSER MANUAL AND TU
Page 7 and 8: Reciprocal Space Macros ...........
Page 9 and 10: Preface For the Interim ManualWe ap
Page 11 and 12: USER MANUAL AND TUTORIALS
Page 15 and 16: files is then identified (/usr/loca
Page 17 and 18: denotes variable parameters you sup
Page 19 and 20: spec also keeps track of software m
Page 21 and 22: 13.FOURC> mvr th 114.FOURC>will mov
Page 23 and 24: 8 0.98 0 0 17603 38839 19 0.99 0 0
Page 25 and 26: 4.FOURC> p date(1e9)Sat Sep 8 21:46
Page 27 and 28: Controlling Output Tothe Printer an
Page 29 and 30: By convention, global variables in
Page 31: 16.FOURC> for (i = 0; i < MOTORS; i
Page 35 and 36: 38.FOURC> undef com39.FOURC> prdef
Page 37 and 38: 43.FOURC> lsdef *scanEscan (1448) a
Page 39 and 40: diffractometer. For example, they m
Page 41 and 42: set_lim(motor_number, low, high) an
Page 43 and 44: 66.FOURC> getcounts; printf("%s = %
Page 45 and 46: the number of bytes is less than n
Page 47 and 48: PLOT-> fnscans.4 options scan-numbe
Page 49 and 50: #S number Starts a new scan. number
Page 51 and 52: ShowscansThe showscans program is a
Page 53 and 54: REFERENCE MANUAL
Page 55 and 56: IntroductionThe material contained
Page 57 and 58: ArraysArrays are formed using squar
Page 59 and 60: Numer ic ConstantsNumeric constants
Page 61 and 62: !! Redo the previous command.!14 Re
Page 63 and 64: In some installations, spec is inst
Page 65 and 66: ExitingA spec session is normally t
Page 67 and 68: DEBUG — is a user-assignable nume
Page 69 and 70: USER — is string valued and is se
Page 71 and 72: The concatenation operator comes in
Page 73 and 74: The second form of the for statemen
Page 75 and 76: These are the grammar rules:express
Page 77 and 78: local identifier-list [ ; ]syms pat
Page 79 and 80: Utility Functions and CommandsAll f
Page 81 and 82: .sp N — spaces N lines. Without a
Page 83 and 84:
¢The formatting commands:.RB .BR .
Page 85 and 86:
"ischr" or "−c" — Returns true
Page 87 and 88:
polled devices, spec needs to perfo
Page 89 and 90:
"show_prdef_files" — When this mo
Page 91 and 92:
EOS sequence are read or until the
Page 93 and 94:
¡with dlog or ends with .dlog . De
Page 95 and 96:
10.FOURC> def change_it ’{11.quot
Page 97 and 98:
tty_cntl(cmd) — Sends terminal-sp
Page 99 and 100:
Commands For Var ia blesglobal name
Page 101 and 102:
¤£ ¢prdef pattern ... — As abo
Page 103 and 104:
at the end of the line.Within a mac
Page 105 and 106:
config file. Built-in code for the
Page 107 and 108:
RS-232 Serial InterfacesSerial func
Page 109 and 110:
vme_put32(addr, data [, dmode ])
Page 111 and 112:
In addition, device-dependent value
Page 113 and 114:
correction. If val is given, then t
Page 115 and 116:
¡and is set in the config file. Th
Page 117 and 118:
¡data_grp(grp, npts, wid) — Conf
Page 119 and 120:
"min" — Returns the minimum value
Page 121 and 122:
"xlog" — Use a logarithmic x axis
Page 123 and 124:
continued line, appropriate for sav
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LIBS= parameters. If the tools prov
Page 127 and 128:
¡void set_return_data(double *x, i
Page 129 and 130:
split(string, array) — Splits the
Page 131 and 132:
STANDARD MACRO GUIDE
Page 133 and 134:
IntroductionThe standard macros inc
Page 135 and 136:
the argument is not a valid mnemoni
Page 137 and 138:
Utility MacrosUNIX CommandsThese si
Page 139 and 140:
# View (and modify), then reread co
Page 141 and 142:
if ("$1" != ".") {DOFILE = "$1"if (
Page 143 and 144:
Star t-up MacrosThese macros ask fo
Page 145 and 146:
Motor Macrosmv motor posmvr motor p
Page 147 and 148:
Change a motor limitdef set_lm ’i
Page 149 and 150:
# Where - all motorsdef wa ’waitm
Page 151 and 152:
# "count" is the basic macro to cou
Page 153 and 154:
Reciprocal Space MacrosThe followin
Page 155 and 156:
Scan MacrosThe following sections s
Page 157 and 158:
Basic Reciprocal Space Scanshscan s
Page 159 and 160:
def Pheader ’printf("\n Setpoint
Page 161 and 162:
’}Here are examples of _settemp m
Page 163 and 164:
Pr inter Initializa tion MacrosThes
Page 165 and 166:
’X_L = motor_name(_m1)_sx = _s1 ;
Page 167 and 168:
space scans, the limit check must l
Page 169 and 170:
}}Pheaderprintf("\noffpprintf(" ")_
Page 171 and 172:
# The loop macro, called by all the
Page 173 and 174:
FOUR-CIRCLE REFERENCE
Page 175 and 176:
IntroductionWhen invoked by the nam
Page 177 and 178:
Once properly configured, diffracto
Page 179 and 180:
Four-CircleModesAs noted above, bec
Page 181 and 182:
asurface, keeping α small will kee
Page 183 and 184:
¢¢¢¢Sector sSectors correspond
Page 185 and 186:
Four-CircleFilesMost questions rega
Page 187 and 188:
U[14] g_l0 or0, setor0 L of primary
Page 189 and 190:
’gpset A[mA[1]] g_u01gpset A[mA[2
Page 191 and 192:
global REFLEX # Variable for file n
Page 193 and 194:
To calculate the new lattice parame
Page 195 and 196:
ADMINISTRATOR’S GUIDE
Page 197 and 198:
IntroductionThe first section of th
Page 199 and 200:
The distribution will be in tar for
Page 201 and 202:
¢KSC 3929 SCSI-CAMAC file location
Page 203 and 204:
Installing Driver sIn the early his
Page 205 and 206:
Fine Tuning the HardwareConfigurati
Page 207 and 208:
...*gparam[3] = 1.54;...if (*gparam
Page 209 and 210:
Makefile, and /usr/local/lib/spec.d
Page 211 and 212:
Ena bling E/ISA I/O Por ts On HP 70
Page 213 and 214:
ˆW Gain wizard access to set prote
Page 215 and 216:
CA_LC2301CA_LC3512CA_LC3521CA_LC358
Page 217 and 218:
MCU_O As above, but with old PROMsM
Page 219 and 220:
config file that has the most motor
Page 221 and 222:
the edconf program set-user id spec
Page 223 and 224:
HARDWARE REFERENCE
Page 225 and 226:
Introductionspec includes built-in
Page 227 and 228:
DSP 6001/6002 CAMAC With No Driverc
Page 229 and 230:
Kinetic Systems CAMAC Softwareconfi
Page 231 and 232:
Any of the National Instruments boa
Page 233 and 234:
National Instruments SB-GPIB Ver 1.
Page 235 and 236:
modified version of the standard li
Page 237 and 238:
Bit 3 Model 616/617 PCI-VMEBit 3 Mo
Page 239 and 240:
Motor Controller sAdvanced Control
Page 241 and 242:
panel controls. Youshould consult t
Page 243 and 244:
Huber SMC 9000 (GPIB)config file:GP
Page 245 and 246:
motors on the board) and clears the
Page 247 and 248:
translation stages, the maximum val
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MOTORS DEVICE ADDR MODE NUM TYPEYES
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The driver is contained in the file
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30.FOURC> print motor_par(tth, "rea
Page 255 and 256:
free-axis-displacement commands "L+
Page 257 and 258:
PMC Corporation DCX-100 (Serial and
Page 259 and 260:
Motor ParametersThe steps per deg/m
Page 261 and 262:
Timer s and CountersAm9513-based Co
Page 263 and 264:
DSP RTC-018 Real Time Clock (CAMAC)
Page 265 and 266:
Kinetic Systems 3610 6-Channel 50 M
Page 267 and 268:
Or tec 974/994/995/997 NIM Timer s
Page 269 and 270:
Setting Operational ParametersThe c
Page 271 and 272:
mca_par("first_ch") — returns the
Page 273 and 274:
Oxford/Tennelec/Nucleus PCA Mutlipo
Page 275 and 276:
mca_par("preset") — in PHA mode,
Page 277 and 278:
¢REFERENCESJournal articles descri
Page 279 and 280:
camac program, 199cat macro, 127cd
Page 281 and 282:
opening, 6selecting, 6standard form
Page 283 and 284:
saving to output device, 132scan, 1
Page 285 and 286:
number,35, 37output, customizing, 1
Page 287 and 288:
wait() function, 33, 68, 77, 78, 99
Page 289 and 290:
¡spec (1) (CSS Utilities) spec (1)
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