51 # FIXME : since std fb now loaded from TC6 file, is that still necessary ?

    52 StdBlockComments = {

    53     "SR": _("SR bistable\nThe SR bistable is a latch where the Set dominates."),

    54     "RS": _("RS bistable\nThe RS bistable is a latch where the Reset dominates."),

    55     "SEMA": _("Semaphore\nThe semaphore provides a mechanism to allow software elements mutually exclusive access to certain ressources."),

    56     "R_TRIG": _("Rising edge detector\nThe output produces a single pulse when a rising edge is detected."),

    57     "F_TRIG": _("Falling edge detector\nThe output produces a single pulse when a falling edge is detected."),

    58     "CTU": _("Up-counter\nThe up-counter can be used to signal when a count has reached a maximum value."),

    59     "CTD": _("Down-counter\nThe down-counter can be used to signal when a count has reached zero, on counting down from a preset value."),

    60     "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."),

    61     "TP": _("Pulse timer\nThe pulse timer can be used to generate output pulses of a given time duration."),

    62     "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."),

    63     "TOF": _("Off-delay timer\nThe off-delay timer can be used to delay setting an output false, for fixed period after input goes false."),

    64     "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."),

    65     "INTEGRAL": _("Integral\nThe integral function block integrates the value of input XIN over time."),

    66     "DERIVATIVE": _("Derivative\nThe derivative function block produces an output XOUT proportional to the rate of change of the input XIN."),

    67     "PID": _("PID\nThe PID (proportional, Integral, Derivative) function block provides the classical three term controller for closed loop control."),

    68     "RAMP": _("Ramp\nThe RAMP function block is modelled on example given in the standard."),

    69     "HYSTERESIS": _("Hysteresis\nThe hysteresis function block provides a hysteresis boolean output driven by the difference of two floating point (REAL) inputs XIN1 and XIN2."),

    70 }

    71 

    72 for block_type in ["CTU", "CTD", "CTUD"]:

    73     for return_type in ["DINT", "LINT", "UDINT", "ULINT"]:

    74         StdBlockComments["%s_%s" % (block_type, return_type)] = StdBlockComments[block_type]

    75 

    78     # FIXME : as well

    79     infos["comment"] = StdBlockComments[infos["name"]]