1 | function [Tune, tout, DataTime, ErrorFlag] = gettune(varargin) |
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2 | %GETTUNE - Returns the betatron tunes |
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3 | % | Higher Fractional Tune (X) | |
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4 | % | | = gettune(t, FreshDataFlag, TimeOutPeriod) |
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5 | % | Lower Fractional Tune (Y) | |
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6 | % |
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7 | % INPUTS |
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8 | % 1. t, FreshDataFlag, TimeOutPeriod (see help getpv for details) |
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9 | % 2. 'Struct' - Output will be a response matrix structure |
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10 | % 'Numeric' - Output will be a numeric matrix {default} |
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11 | % 3. Optional override of the units: |
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12 | % 'Physics' - Use physics units |
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13 | % 'Hardware' - Use hardware units |
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14 | % 4. Optional override of the mode: |
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15 | % 'Online' - Get data online |
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16 | % 'Simulator' - Get data on the simulated accelerator using AT |
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17 | % 'Model' - Same as 'Simulator' |
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18 | % 'Manual' - Get data manually |
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19 | % |
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20 | % OUTPUTS |
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21 | % 1. Fractional tune |
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22 | % 2. tout (see help getpv for details) |
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23 | % 3. DataTime (see help getpv for details) |
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24 | % 4. ErrorFlag = 0 -> no errors |
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25 | % else -> error or warning occurred |
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26 | % |
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27 | % NOTES |
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28 | % 1. An easy way to measure N averaged tunes is mean(gettune(1:2:N)')' (2 seconds between measurements) |
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29 | % |
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30 | % See also steptune, settune |
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31 | |
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32 | % |
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33 | % Written by Gregory J. Portmann |
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34 | % Modified by Laurent S. Nadolski |
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35 | |
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36 | DisplayFlag = 0; |
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37 | for i = length(varargin):-1:1 |
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38 | if isstruct(varargin{i}) |
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39 | % Ignore structures |
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40 | elseif iscell(varargin{i}) |
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41 | % Ignore cells |
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42 | elseif strcmpi(varargin{i},'Display') |
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43 | DisplayFlag = 1; |
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44 | varargin(i) = []; |
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45 | elseif strcmpi(varargin{i},'NoDisplay') |
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46 | DisplayFlag = 0; |
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47 | varargin(i) = []; |
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48 | end |
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49 | end |
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50 | |
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51 | %% get betatron tunes |
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52 | [Tune, tout, DataTime] = getpv('TUNE', 'Monitor', [1 1; 1 2], varargin{:}); |
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53 | |
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54 | %% Complete structure |
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55 | if isstruct(Tune) |
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56 | TuneUnitsString = getfamilydata('TUNE','Monitor','HWUnits'); |
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57 | if isempty(TuneUnitsString) |
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58 | Tune.UnitsString = 'Fractional Tune'; |
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59 | else |
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60 | Tune.UnitsString = TuneUnitsString; |
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61 | end |
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62 | Tune.DataDescriptor = 'TUNE'; |
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63 | Tune.CreatedBy = 'gettune'; |
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64 | end |
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65 | |
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66 | %% Display to the screen |
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67 | if DisplayFlag |
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68 | fprintf('\n Horizontal Tune = %f\n', Tune(1)); |
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69 | fprintf(' Vertical Tune = %f\n\n', Tune(2)); |
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70 | end |
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71 | |
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72 | |
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73 | % % Get data at every point in time vector, t |
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74 | % t_start = gettime; |
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75 | % for i = 1:length(t) |
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76 | % T = t(i)-(gettime-t_start); |
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77 | % if T > 0 |
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78 | % pause(T); |
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79 | % end |
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80 | % tout(i) = gettime - t_start; |
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81 | % |
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82 | % [Tune(:,i), ErrorFlag] = local_gettune; |
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83 | % |
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84 | % if FreshDataFlag |
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85 | % FreshDataCounter = FreshDataFlag; |
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86 | % t0 = gettime; |
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87 | % Tune0 = Tune(:,i); |
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88 | % while FreshDataCounter |
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89 | % [Tune(:,i), ErrorFlag] = local_gettune; |
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90 | % |
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91 | % if ~any((Tune(:,i)-Tune0)==0) |
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92 | % FreshDataCounter = FreshDataCounter - 1; |
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93 | % end |
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94 | % |
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95 | % if (gettime-t0)> TimeOutPeriod |
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96 | % error('Timed out waiting for fresh tune data.'); |
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97 | % %ErrorFlag = 1; |
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98 | % %break |
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99 | % end |
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100 | % end |
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101 | % end |
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102 | % end |
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103 | % |
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104 | % % if nargout == 0 |
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105 | % % fprintf('\n Horizontal Tune = %f\n', Tune(1,1)); |
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106 | % % fprintf(' Vertical Tune = %f\n\n', Tune(2,1)); |
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107 | % % end |
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108 | % |
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109 | % |
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110 | % |
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111 | % function [Tune, ErrorFlag] = local_gettune |
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112 | % |
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113 | % ErrorFlag = 0; |
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114 | % |
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115 | % [FamilyIndex, ACCELERATOR_OBJECT] = isfamily('TUNE'); |
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116 | % |
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117 | % if isfield(ACCELERATOR_OBJECT, 'Mode') |
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118 | % Mode = ACCELERATOR_OBJECT.Mode; |
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119 | % else |
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120 | % Mode = 'Online'; |
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121 | % end |
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122 | % |
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123 | % if strcmp(lower(Mode),'online') |
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124 | % |
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125 | % RFam = getam('TUNE'); |
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126 | % |
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127 | % elseif strcmp(lower(Mode),'simulator') |
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128 | % |
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129 | % global THERING |
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130 | % if isempty(THERING) |
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131 | % error('Simulator variable is not setup properly.'); |
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132 | % end |
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133 | % |
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134 | % [TD, Tune1] = twissring(THERING,0,1:length(THERING)+1); |
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135 | % Tune = Tune1' + rand(2,1)*.0001; |
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136 | % |
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137 | % elseif strcmp(lower(Mode),'manual') |
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138 | % |
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139 | % Tune(1,1) = input(' Input the horizontal tune = '); |
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140 | % Tune(2,1) = input(' Input the vertical tune = '); |
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141 | % |
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142 | % elseif strcmp(lower(Mode),'als') |
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143 | % |
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144 | % Tune = gettune_als; |
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145 | % |
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146 | % else |
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147 | % |
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148 | % error(sprintf('Unknown mode for family %s.', ACCELERATOR_OBJECT.FamilyName)); |
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149 | % |
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150 | % end |
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