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1 from os.path import join, split, realpath |
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2 sd = split(realpath(__file__))[0] |
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3 |
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4 # Override gettext _ in this module |
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5 # since we just want string to be added to dictionnary |
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6 # but translation should happen here |
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7 _ = lambda x:x |
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8 |
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9 LANGUAGES = ["IL","ST","FBD","LD","SFC"] |
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10 |
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11 LOCATIONDATATYPES = {"X" : ["BOOL"], |
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12 "B" : ["SINT", "USINT", "BYTE", "STRING"], |
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13 "W" : ["INT", "UINT", "WORD", "WSTRING"], |
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14 "D" : ["DINT", "UDINT", "REAL", "DWORD"], |
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15 "L" : ["LINT", "ULINT", "LREAL", "LWORD"]} |
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16 |
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17 #------------------------------------------------------------------------------- |
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18 # Function Block Types definitions |
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19 #------------------------------------------------------------------------------- |
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20 |
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21 StdTC6Libs = [(_("Standard function blocks"), join(sd, "Standard_Function_Blocks.xml")), |
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22 (_("Additional function blocks"),join(sd, "Additional_Function_Blocks.xml"))] |
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23 |
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24 StdFuncsCSV = join(sd,"iec_std.csv") |
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25 |
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26 # FIXME : since std fb now loaded from TC6 file, is that still necessary ? |
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27 StdBlockComments = { |
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28 "SR": _("SR bistable\nThe SR bistable is a latch where the Set dominates."), |
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29 "RS": _("RS bistable\nThe RS bistable is a latch where the Reset dominates."), |
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30 "SEMA": _("Semaphore\nThe semaphore provides a mechanism to allow software elements mutually exclusive access to certain ressources."), |
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31 "R_TRIG": _("Rising edge detector\nThe output produces a single pulse when a rising edge is detected."), |
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32 "F_TRIG": _("Falling edge detector\nThe output produces a single pulse when a falling edge is detected."), |
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33 "CTU": _("Up-counter\nThe up-counter can be used to signal when a count has reached a maximum value."), |
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34 "CTD": _("Down-counter\nThe down-counter can be used to signal when a count has reached zero, on counting down from a preset value."), |
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35 "CTUD": _("Up-down counter\nThe up-down counter has two inputs CU and CD. It can be used to both count up on one input and down on the other."), |
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36 "TP": _("Pulse timer\nThe pulse timer can be used to generate output pulses of a given time duration."), |
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37 "TON": _("On-delay timer\nThe on-delay timer can be used to delay setting an output true, for fixed period after an input becomes true."), |
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38 "TOF": _("Off-delay timer\nThe off-delay timer can be used to delay setting an output false, for fixed period after input goes false."), |
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39 "RTC": _("Real time clock\nThe real time clock has many uses including time stamping, setting dates and times of day in batch reports, in alarm messages and so on."), |
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40 "INTEGRAL": _("Integral\nThe integral function block integrates the value of input XIN over time."), |
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41 "DERIVATIVE": _("Derivative\nThe derivative function block produces an output XOUT proportional to the rate of change of the input XIN."), |
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42 "PID": _("PID\nThe PID (proportional, Integral, Derivative) function block provides the classical three term controller for closed loop control."), |
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43 "RAMP": _("Ramp\nThe RAMP function block is modelled on example given in the standard."), |
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44 "HYSTERESIS": _("Hysteresis\nThe hysteresis function block provides a hysteresis boolean output driven by the difference of two floating point (REAL) inputs XIN1 and XIN2."), |
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45 } |
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46 |
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47 for block_type in ["CTU", "CTD", "CTUD"]: |
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48 for return_type in ["DINT", "LINT", "UDINT", "ULINT"]: |
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49 StdBlockComments["%s_%s" % (block_type, return_type)] = StdBlockComments[block_type] |
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50 |
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51 def GetBlockInfos(pou): |
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52 infos = pou.getblockInfos() |
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53 # FIXME : as well |
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54 infos["comment"] = StdBlockComments[infos["name"]] |
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55 infos["inputs"] = [ |
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56 (var_name, var_type, "rising") |
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57 if var_name in ["CU", "CD"] |
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58 else (var_name, var_type, var_modifier) |
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59 for var_name, var_type, var_modifier in infos["inputs"]] |
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60 return infos |
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61 |
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62 #------------------------------------------------------------------------------- |
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63 # Data Types definitions |
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64 #------------------------------------------------------------------------------- |
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65 |
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66 """ |
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67 Ordored list of common data types defined in the IEC 61131-3 |
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68 Each type is associated to his direct parent type. It defines then a hierarchy |
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69 between type that permits to make a comparison of two types |
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70 """ |
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71 TypeHierarchy_list = [ |
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72 ("ANY", None), |
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73 ("ANY_DERIVED", "ANY"), |
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74 ("ANY_ELEMENTARY", "ANY"), |
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75 ("ANY_MAGNITUDE", "ANY_ELEMENTARY"), |
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76 ("ANY_BIT", "ANY_ELEMENTARY"), |
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77 ("ANY_NBIT", "ANY_BIT"), |
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78 ("ANY_STRING", "ANY_ELEMENTARY"), |
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79 ("ANY_DATE", "ANY_ELEMENTARY"), |
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80 ("ANY_NUM", "ANY_MAGNITUDE"), |
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81 ("ANY_REAL", "ANY_NUM"), |
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82 ("ANY_INT", "ANY_NUM"), |
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83 ("ANY_SINT", "ANY_INT"), |
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84 ("ANY_UINT", "ANY_INT"), |
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85 ("BOOL", "ANY_BIT"), |
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86 ("SINT", "ANY_SINT"), |
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87 ("INT", "ANY_SINT"), |
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88 ("DINT", "ANY_SINT"), |
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89 ("LINT", "ANY_SINT"), |
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90 ("USINT", "ANY_UINT"), |
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91 ("UINT", "ANY_UINT"), |
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92 ("UDINT", "ANY_UINT"), |
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93 ("ULINT", "ANY_UINT"), |
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94 ("REAL", "ANY_REAL"), |
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95 ("LREAL", "ANY_REAL"), |
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96 ("TIME", "ANY_MAGNITUDE"), |
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97 ("DATE", "ANY_DATE"), |
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98 ("TOD", "ANY_DATE"), |
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99 ("DT", "ANY_DATE"), |
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100 ("STRING", "ANY_STRING"), |
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101 ("BYTE", "ANY_NBIT"), |
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102 ("WORD", "ANY_NBIT"), |
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103 ("DWORD", "ANY_NBIT"), |
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104 ("LWORD", "ANY_NBIT") |
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105 #("WSTRING", "ANY_STRING") # TODO |
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106 ] |
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107 |
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108 DataTypeRange_list = [ |
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109 ("SINT", (-2**7, 2**7 - 1)), |
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110 ("INT", (-2**15, 2**15 - 1)), |
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111 ("DINT", (-2**31, 2**31 - 1)), |
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112 ("LINT", (-2**31, 2**31 - 1)), |
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113 ("USINT", (0, 2**8 - 1)), |
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114 ("UINT", (0, 2**16 - 1)), |
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115 ("UDINT", (0, 2**31 - 1)), |
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116 ("ULINT", (0, 2**31 - 1)) |
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117 ] |
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118 |
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119 ANY_TO_ANY_FILTERS = { |
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120 "ANY_TO_ANY":[ |
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121 # simple type conv are let as C cast |
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122 (("ANY_INT","ANY_BIT"),("ANY_NUM","ANY_BIT")), |
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123 (("ANY_REAL",),("ANY_REAL",)), |
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124 # REAL_TO_INT |
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125 (("ANY_REAL",),("ANY_SINT",)), |
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126 (("ANY_REAL",),("ANY_UINT",)), |
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127 (("ANY_REAL",),("ANY_BIT",)), |
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128 # TO_TIME |
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129 (("ANY_INT","ANY_BIT"),("ANY_DATE","TIME")), |
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130 (("ANY_REAL",),("ANY_DATE","TIME")), |
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131 (("ANY_STRING",), ("ANY_DATE","TIME")), |
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132 # FROM_TIME |
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133 (("ANY_DATE","TIME"), ("ANY_REAL",)), |
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134 (("ANY_DATE","TIME"), ("ANY_INT","ANY_NBIT")), |
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135 (("TIME",), ("ANY_STRING",)), |
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136 (("DATE",), ("ANY_STRING",)), |
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137 (("TOD",), ("ANY_STRING",)), |
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138 (("DT",), ("ANY_STRING",)), |
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139 # TO_STRING |
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140 (("BOOL",), ("ANY_STRING",)), |
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141 (("ANY_BIT",), ("ANY_STRING",)), |
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142 (("ANY_REAL",), ("ANY_STRING",)), |
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143 (("ANY_SINT",), ("ANY_STRING",)), |
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144 (("ANY_UINT",), ("ANY_STRING",)), |
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145 # FROM_STRING |
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146 (("ANY_STRING",), ("BOOL",)), |
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147 (("ANY_STRING",), ("ANY_BIT",)), |
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148 (("ANY_STRING",), ("ANY_SINT",)), |
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149 (("ANY_STRING",), ("ANY_UINT",)), |
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150 (("ANY_STRING",), ("ANY_REAL",))], |
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151 "BCD_TO_ANY":[ |
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152 (("BYTE",),("USINT",)), |
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153 (("WORD",),("UINT",)), |
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154 (("DWORD",),("UDINT",)), |
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155 (("LWORD",),("ULINT",))], |
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156 "ANY_TO_BCD":[ |
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157 (("USINT",),("BYTE",)), |
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158 (("UINT",),("WORD",)), |
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159 (("UDINT",),("DWORD",)), |
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160 (("ULINT",),("LWORD",))] |
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161 } |
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162 |
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163 # remove gettext override |
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164 del _ |