src/DynamicAttrAxis.cpp

   1 #include <iostream>
   2 #include "DynamicAttrAxis.h"
   3
   4 namespace DiffractometerDevice_ns
   5 {
   6
   7         AxisAttrib::AxisAttrib(char const *name, TangoHKLAdapter *adapter,
   8                         unsigned int idx) :
   9                 Tango::Attr(name, Tango::DEV_DOUBLE, Tango::READ_WRITE),
  10                 _adapter(adapter),
  11                 _idx(idx)
  12         {
  13                 Tango::UserDefaultAttrProp axis_prop;
  14                 axis_prop.set_label(name);
  15                 axis_prop.set_format("%7.4f");
  16
  17                 std::string description;
  18                 description += "The ";
  19                 description += name;
  20                 description += " axis of the diffractometer";
  21                 axis_prop.set_description(description.c_str());
  22                 axis_prop.set_unit("°");
  23                 this->set_default_properties(axis_prop);
  24         }
  25
  26         void AxisAttrib::read(Tango::DeviceImpl *dev,Tango::Attribute &att)
  27         {
  28                 double read, write;
  29
  30                 _adapter->read_axis(_idx, read, write);
  31                 att.set_value(&read);
  32                 Tango::WAttribute & watt = dev->get_device_attr()->get_w_attr_by_name(name.c_str());
  33                 watt.set_write_value(write);
  34         }
  35
  36         void AxisAttrib::write(Tango::DeviceImpl *dev,Tango::WAttribute &att)
  37         {
  38                 double value;
  39
  40                 att.get_write_value(value);
  41                 _adapter->write_axis(_idx, value);
  42         }
  43
  44         bool AxisAttrib::is_allowed(Tango::DeviceImpl *dev,Tango::AttReqType ty)
  45         {
  46                 if (dev->get_state() == Tango::FAULT ||
  47                                 dev->get_state() == Tango::ALARM)
  48                         if (type == Tango::READ_REQ)
  49                                 return true;
  50                         else
  51                                 return false;
  52                 return true;
  53         }
  54
  55 } //- end namespace