Files
sics/site_ansto/instrument/config/scan/scan_common_1.tcl
Ferdi Franceschini 5eaae53de0 Remove namespace qualification when setting attributes on runscan
r2234 | ffr | 2007-11-06 14:47:01 +1100 (Tue, 06 Nov 2007) | 2 lines
2012-11-15 13:29:14 +11:00

375 lines
12 KiB
Tcl

##
# @file Scan functionality and common high level commands are defined here.
#
# namespace variables\n
# ::scan::save_filetype data/scratch, controls if data will be saved to a scratch file.
# ::scan::reset_position true/false (default=true), drive motor back to start position at end of scan
#TODO Get rid of duplication in bmonscan and hmscan code
MakeScanCommand hmscan bm $cfPath(scan)/scan_common_1.hdd recover.bin
MakeScanCommand bmonscan bm $cfPath(scan)/scan_common_1.hdd recover.bin
namespace eval scan {
variable save_filetype
variable reset_position
set save_filetype "data"
set reset_position "false"
proc scan_collect {sobj uobj point} {
}
}
##
# @brief Returns an error if a scan variable target position exceeds the limits.
proc ::scan::check_limit {scan_variable limit_name target} {
switch $limit_name {
"hardlowerlim" - "softlowerlim" {
set limit [SplitReply [$scan_variable $limit_name]]
if { $target < $limit} {
return -code error "Final position of $target violates $limit_name $limit for $scan_variable"
}
}
"hardupperlim" - "softupperlim" {
set limit [SplitReply [$scan_variable $limit_name]]
if { $target > $limit} {
return -code error "Final position of $target violates $limit_name $limit for $scan_variable"
}
}
default {
return -code error "Invalid limit name $limit_name"
}
}
}
## \brief check final position against scan variable limits
#
# NOTE: The sics scan object alread checks if a variable is drivable
# so we don't have to.
# TODO We can't check limits of virtual motors yet because the
# configurablevirtualmotor doesn't set a checklimits function.
proc ::scan::check_scanvar {sobj uobj} {
set vlist [split [$sobj getvarpar 0] = ];
set NP [SplitReply [$sobj np]]
set scan_variable [string trim [lindex [split [lindex $vlist 0] . ] 1]]
set scan_start [lindex $vlist 1];
set scan_increment [lindex $vlist 2];
if {[getatt $scan_variable type] == "motor"} {
if {[SplitReply [$scan_variable fixed]] >= 0} {
return -code error "Can't drive scan variable, $scan_variable position is set to 'fixed'"
}
set target [expr $scan_start + $NP * $scan_increment]
if [catch {
::scan::check_limit $scan_variable hardlowerlim $target
::scan::check_limit $scan_variable hardupperlim $target
::scan::check_limit $scan_variable softlowerlim $target
::scan::check_limit $scan_variable softupperlim $target
}] {
return -code error $::errorInfo
}
}
}
##
# @brief Instrument specific scan configurations can override this procedure to perform some setup
# before running a scan, eg setting hmm frame frequency.
#
# NOTES\n
# Returning an error will cause the scan to abort before it starts\n
# eg\n
# return -code error "error message"
proc ::scan::pre_hmm_scan_prepare {} {}
##
# @brief Do some pre-scan checks and prime the DAE
proc ::scan::hmm_scan_prepare {sobj uobj} {
variable scan_pt_start_time
variable save_filetype
if {[::plc::inst_ready] != 1} {
return -code error "HMSCAN ABORTED: Instrument not ready"
}
if [catch {
::scan::check_scanvar $sobj $uobj
::scan::pre_hmm_scan_prepare
}] {
abortbatch
return -code error "HMSCAN ABORTED: $::errorInfo"
}
if [catch {
set numpoints [SplitReply [$sobj np]]
set vlist [split [$sobj getvarpar 0] = ]
set scanstart [lindex $vlist 1]
set scanstep [lindex $vlist 2]
::scan::hdb_hmscan -set NP $numpoints
::scan::hdb_hmscan -set scan_variable [string trim [lindex [split [lindex $vlist 0] . ] 1]]
::scan::hdb_hmscan -set scan_start $scanstart
::scan::hdb_hmscan -set scan_increment $scanstep
set scan_pt_start_time [sicstime]
::scan::hdb_hmscan -set feedback status BUSY
::nexus::newfile HISTOGRAM_XYT $save_filetype
data axis 1 [::scan::hdb_hmscan -set scan_variable]
clientput "Scan start: $scanstart, Scan step: $scanstep, Number of points: $numpoints"
clientput "Filetype: HISTOGRAM_XYT"
# Prime DAE
hmm pause
}] {
return -code error $::errorInfo
}
}
proc ::scan::hmm_count {sobj uobj point mode preset} {
::scan::hdb_hmscan -set mode $mode
::scan::hdb_hmscan -set preset $preset
::scan::hdb_hmscan -set feedback scanpoint $point
::scan::hdb_hmscan -set feedback mode $mode
::scan::hdb_hmscan -set feedback preset $preset
::scan::hdb_hmscan -set feedback scan_variable_value [SplitReply [[::scan::hdb_hmscan -set scan_variable]]]
# Start histogram and block until count is complete
::histogram_memory::start block
}
proc ::scan::hmm_scan_finish {sobj uobj} {
variable save_filetype
variable reset_position
set $save_filetype "data"
::histogram_memory::stop
::scan::hdb_hmscan -set feedback status IDLE
# Make sure that the next save command doesn't overwrite our scan data.
# and clear any data links
::nexus::newfile clear data
if {$reset_position == "true"} {
set reset_position "false"
set svar [::scan::hdb_hmscan -get scan_variable]
set svtype [getatt $svar type]
if {$svtype == "motor" || $svtype == "configurablevirtualmotor"} {
drive $svar [::scan::hdb_hmscan -get scan_start]
}
}
# ::histogram_memory::configure_server Filler_defaults
}
proc ::scan::bm_scan_finish {sobj uobj} {
variable reset_position
::scan::hdb_bmonscan -set feedback status IDLE
# Make sure that the next save command doesn't overwrite our scan data.
# and clear any data links
::nexus::newfile clear data
if {$reset_position == "true"} {
set reset_position "false"
set svar [::scan::hdb_bmonscan -get scan_variable]
set svtype [getatt $svar type]
if {$svtype == "motor" || $svtype == "configurablevirtualmotor"} {
drive $svar [::scan::hdb_bmonscan -get scan_start]
}
}
}
# Add an nxentry for the current scan point
#TODO Is this obsolete?
proc ::scan::write_nxentry {nxentryCmd point} {
variable scan_pt_start_time;
save $point
}
proc ::scan::bm_writepoint {sobj uobj pt} {
::nexus::save $pt
::scan::hdb_bmonscan -set feedback counts [SplitReply [bm getcounts]];
}
#TODO Feedback for Histogram memory scan
proc ::scan::hmm_writepoint {sobj uobj pt} {
variable save_filetype
# Write hdb tree
::nexus::save $pt
}
proc ::scan::donothing {args} {}
proc ::scan::bm_count {sobj uobj point mode preset} {
::scan::hdb_bmonscan -set mode $mode
::scan::hdb_bmonscan -set preset $preset
::scan::hdb_bmonscan -set feedback scanpoint $point;
::scan::hdb_bmonscan -set feedback mode $mode;
::scan::hdb_bmonscan -set feedback preset $preset;
::scan::hdb_bmonscan -set feedback scan_variable_value [SplitReply [[::scan::hdb_bmonscan -set scan_variable]]]
::monitor::count $mode $preset
}
proc ::scan::bm_scan_prepare {sobj uobj} {
variable scan_pt_start_time
if {[::plc::inst_ready] != 1} {
return -code error "HMSCAN ABORTED: Instrument not ready"
}
if [catch {
::scan::check_scanvar $sobj $uobj
::scan::pre_hmm_scan_prepare
}] {
abortbatch
return -code error "BMONSCAN ABORTED: $::errorInfo"
}
#TODO Parameterise varindex in some way
set varindex 0;
set numpoints [SplitReply [$sobj np]]
set vlist [split [$sobj getvarpar $varindex] = ]
set scanstart [lindex $vlist 1]
set scanstep [lindex $vlist 2]
::scan::hdb_bmonscan -set feedback filename [SplitReply [dataFileName]]
::scan::hdb_bmonscan -set NP $numpoints
::scan::hdb_bmonscan -set scan_variable [string trim [lindex [split [lindex $vlist 0] . ] 1]];
::scan::hdb_bmonscan -set scan_start $scanstart
::scan::hdb_bmonscan -set scan_increment $scanstep
set scanvar_pts [SplitReply [$sobj getvardata $varindex]]
todo_msg "SET START TIME [sicstime]"
::scan::hdb_bmonscan -set feedback status BUSY
array set bm_fb [::scan::hdb_bmonscan -list feedback]
::nexus::newfile BEAM_MONITOR data
::nexus::data axis 1 [::scan::hdb_bmonscan -set scan_variable]
#stdscan prepare $sobj $uobj;
clientput "Scan start: $scanstart, Scan step: $scanstep, Number of points: $numpoints"
clientput "Filetype: BEAM_MONITOR"
}
Publish ::scan::scan_collect user
Publish ::scan::write_nxentry user
Publish ::scan::hmm_count user
Publish ::scan::hmm_scan_prepare user
Publish ::scan::hmm_scan_finish user
Publish ::scan::hmm_writepoint user
Publish ::scan::donothing user
Publish ::scan::bm_scan_prepare user
Publish ::scan::bm_scan_finish user
Publish ::scan::bm_writepoint user
Publish ::scan::bm_count user
bmonscan configure script
bmonscan function writeheader ::scan::donothing
bmonscan function writepoint ::scan::bm_writepoint
bmonscan function count ::scan::bm_count
#bmonscan function collect ::scan::scan_collect
bmonscan function prepare ::scan::bm_scan_prepare
bmonscan function finish ::scan::bm_scan_finish
hmscan configure script
#hmscan function prepare hdbprepare
#hmscan function collect hdbcollect
hmscan function writeheader ::scan::donothing
hmscan function writepoint ::scan::hmm_writepoint
hmscan function count ::scan::hmm_count
#hmscan function collect ::scan::scan_collect
hmscan function prepare ::scan::hmm_scan_prepare
hmscan function finish ::scan::hmm_scan_finish
namespace eval scan {
command hdb_bmonscan { text:drivable scan_variable float: scan_start float: scan_increment int: NP text:monitor,timer mode float: preset int:0,2 channel} {
bmonscan clear
# bmonscan configure script
bmonscan add $scan_variable $scan_start $scan_increment
bmonscan setchannel $channel;
set status [catch {bmonscan run $NP $mode $preset} msg]
# bmonscan configure soft
if {$status == 0} {
return $msg
} else {
return -code error "ERROR [info level 0]"
}
}
::scan::hdb_bmonscan -addfb text filename text mode float preset float scan_variable_value int scanpoint int counts text status
::scan::hdb_bmonscan -set feedback status IDLE
command hdb_hmscan { text:drivable scan_variable float: scan_start float: scan_increment int: NP text:monitor,timer mode float: preset int:0,2 channel} {
hmscan clear
hmscan add $scan_variable $scan_start $scan_increment
hmscan setchannel $channel;
set status [catch {hmscan run $NP $mode $preset} msg]
if {$status == 0} {
return $msg
} else {
return -code error "ERROR [info level 0]"
}
}
::scan::hdb_hmscan -addfb text filename text mode float preset float scan_variable_value int scanpoint int counts text status
::scan::hdb_hmscan -set feedback status IDLE
}
sicslist setatt ::scan::hdb_bmonscan long_name bmonscan
sicslist setatt ::scan::hdb_hmscan long_name hmscan
namespace eval scan {
namespace export runscan
proc runscan {scanvar start stop numpoints mode preset {savetype "save"} } {
variable save_filetype
variable reset_position
set reset_position "true"
if {[is_drivable $scanvar] == 0} {
return -code error "The scan variable <$scanvar> must be drivable"
}
if {[string is integer $numpoints] != 1} {
return -code error "Number of points <$numpoints> must be an integer"
}
if { $numpoints < 1 } {
return -code error "Number of points <$numpoints> must not be less than one"
}
::histogram_memory::count_method $mode
::histogram_memory::count_size $preset
if {$numpoints == 1} {
set step 0
} else {
set step [expr double($stop - $start)/($numpoints - 1.0)]
}
if {$step == 0 && $numpoints > 1} {
clientput "WARNING:Scan step is zero and number of points > 1. Adjusting numpoints to one"
set numpoints 1
}
switch $savetype {
"save" {
set save_filetype data
}
"nosave" {
set save_filetype scratch
}
default {
return -code error "$savetype should be 'save' or 'nosave'"
}
}
hmscan clear
hmscan add $scanvar $start $step
# hmscan ignores mode and preset, we use FAT_COUNT_METHOD and FAT_COUNT_STOP
set status [catch {hmscan run $numpoints timer 0} msg]
if {$status == 0} {
return $msg
} else {
return -code error "ERROR [info level 0]\n$msg"
}
}
}
namespace import ::scan::runscan
publish runscan user
sicslist setatt runscan privilege internal