#
# Simple driver generator for the non-motor galil controls on mc4
# vim: ts=8 sts=2 sw=2 expandtab autoindent smartindent nocindent
#
driver shutters = {
  usecreatenode = false
  vendor = galil; device = mc4; protocol = dmc2280;
  class = instrument
  simulation_group = motor_simulation
#
# Unnamed group has variables at device level
#
#
# The named group is at the device level, variables below that
#
  group = {
    type = text
    priv = user
    group_property 'data' = 'true'
    group_property 'nxsave' = 'true'
    property 'type' = 'part'
    property 'klass' = 'collimator'
    property 'sdsinfo' = '::nexus::scobj::sdsinfo'
    var fast_shutter = {
      readable = 1
      read_command = 'MG @IN[5], @IN[6]'
      read_function = read_switch_pair
      property 'nxalias' = 'fast_shutter'
    }
    var rough_40 = {
      readable = 1;
      read_function = read_switch_pair;
      read_command = 'MG @IN[13], @IN[14]'
      writeable = 1
      write_function = write_switch;
      write_command = '10'
      allowed = 'in,out'
      property 'nxalias' = 'rough_40'
    }
    var rough_100 = {
      readable = 1;
      read_function = read_switch_pair;
      read_command = 'MG @IN[15], @IN[16]'
      writeable = 1
      write_function = write_switch;
      write_command = '11'
      allowed = 'in,out'
      property 'nxalias' = 'rough_100'
    }
  };

#
# Code lines start with '@' which is stripped before being emitted
# The code is emitted at the appropriate place in the given function
#
  code read_function read_switch_pair = {
@  if { [string equal -nocase -length 1 "${data}" "?"] } {
@    sct geterror "Galil error in: '${data}'"
@  } else {
@    set data_list [split [string trim "${data}"]]
@    if { [llength ${data_list}]  > 2 && [lindex ${data_list} end] == ":" } {
@      set data_list [lrange ${data_list} 0 1]
@    }
@    if { [llength ${data_list}] == 2 } {
@      set left [expr [lindex ${data_list} 0]]
@      set right [expr [lindex ${data_list} 1]]
@      if  { ${left} == 1 && ${right} == 0 } { # open
@        set data "out"
@      } elseif  { ${left} == 0 && ${right} == 1 } { # closed
@        set data "in"
@      } else { # indeterminate
@        set data "moving"
@      }
@    } else {
@      sct geterror "Syntax error in: '${data}'=>'${data_list}'"
@    }
@  }
  }
  code write_function write_switch = {
@  if { [string equal -nocase -length 2 "${par}" "in"] } {
@    set cmd "SB${cmd_str}"
@  } elseif { [string equal -nocase -length 2 "${par}" "out"] } {
@    set cmd "CB${cmd_str}"
@  } else {
@    sct geterror "Value error: '${par}' not in ('in', 'out')"
@  }
  }
#
# This code is after database creation
#
  code mkDriver = {
  }
};