105 lines
2.6 KiB
Tcl
105 lines
2.6 KiB
Tcl
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# Drive the 3 Monochromator blades as a "bunch"
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#
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# Author: Jing Chen, jgn@ansto.gov.au
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#
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# Date: 11/11/2011
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# DriveMono: drive the 3 Monochromators to translating as a "bunch"
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proc DriveMono {motor pos angle} {
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histmem stop
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bat_table -set NO_BAT_ENTRIES $framenum NO_BAT_PERIODS $framenum
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bat_table -set NO_REPEAT_ENTRY 1 NO_REPEAT_TABLE 1 NO_EXECUTE_TABLE 1 PERIOD_INDICES { 0 1 }
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fat_table -set NOS_PERIODS $framenum
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oat_table -set T {0 2200000} NTC 1
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histmem loadconf
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histmem fsrce EXTERNAL
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}
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publish DriveMono user
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# SetHistoNormal: resets the histo for standard operation
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proc SetHistoNormal {} {
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histmem stop
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bat_table -set NO_BAT_ENTRIES 1 NO_BAT_PERIODS 1
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bat_table -set NO_REPEAT_ENTRY 0 NO_REPEAT_TABLE 0 NO_EXECUTE_TABLE 0 PERIOD_INDICES { 0}
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fat_table -set NOS_PERIODS 1
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oat_table -set T {0 2200000} NTC 1
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histmem loadconf
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histmem fsrce INTERNAL
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proc ::histogram_memory::pre_count {} {}
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}
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# continous scan for EPHI- the euler cradle phi stage (innermost axis)
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# note make sure controller 2 has the PHISCAN code in it
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publish SetHistoNormal user
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proc EphiCtsScan {start step range steptime} {
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# magic number: steps per rotation for phi
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set ephisteps -12500
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set ephispeed [expr {($step*1.0)/$steptime}]
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set numsteps [expr {round($range/$step)}]
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# broadcast $omspeed $numsteps
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# run ephi to start angle -1 so that first pulse signals as ephi crosses 0 angle
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# at correct velocity
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ephi accel 1
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ephi decel 1
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ephi speed 3
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drive ephi [expr {$start-1}]
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ephi speed $ephispeed
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ephi accel [expr {$ephispeed*1.2}]
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# now set ephi parameters to galil and clear the bit
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set scval [expr {($range+2.2)*$ephisteps}]
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set stval [expr {$ephisteps * $step}]
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broadcast $scval $stval
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som send CTLEN=$scval
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som send CTSTEP=$stval
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# som send OMN = [expr {$numsteps+1}]
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som send CB5
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proc ::histogram_memory::pre_count {} {
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ephi send "XQ #EPHSCAN,2"
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}
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histmem mode unlimited
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histmem start block
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newfile HISTOPERIOD_XY
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for {set i 0} {$i<$numsteps} {incr i} {save $i}
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ephi speed 1
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# this we needed when it didn't work properly
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# proc ::histogram_memory::pre_count {} {}
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# ephi send SHC
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# ephi send SPC=25000
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# ephi send BCG
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# wait 3
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# ephi send "XQ #THREAD0,0"
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# wait 3
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# ephi reset
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}
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publish EphiCtsScan user
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proc EulerCtsScan {range step steptime} {
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set numsteps [expr {round($range/$step)}]
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SetHistoSync $numsteps
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foreach chi {0 15 30 45 60 75 90} {
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drive echi $chi
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EphiCtsScan [expr {-$range/2}] $step $range $steptime
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}
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# SetHistoNormal
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}
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publish EulerCtsScan user
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