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SICL Language Reference IGPIOCTRL I_GPIO_PCTL_DELAY The setting parameter selects a PCTL delay value from a set of eight “click stops” numbered 0 through 7. A setting of 0 selects 200 ns; a setting of 7 selects 50 µs. For a complete list of delay values, see the GPIO Interface Installation Guide. Changes made by this function can remain in the interface hardware after your program ends. The setting remains until the computer is rebooted. I_GPIO_POLARITY The setting parameter determines the logical polarity of various interface lines according to the following bit map. A 0 sets active-low polarity; a 1 sets active-high polarity. Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Data Out Data In PSTS PFLG PCTL Value=16 Value=8 Value=4 Value=2 Value=1 Changes made by this function can remain in the interface hardware after your program ends. The setting remains until the computer is rebooted. Chapter 10 261
