gpioselect.c File Reference

#include <xinu.h>

Include dependency graph for gpioselect.c:

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Functions
devcall	gpioselect (uint32 pinreg, uint32 pinmode, uint32 pinsettings)

Function Documentation

gpioselect()

devcall gpioselect	(	uint32	pinreg,
		uint32	pinmode,
		uint32	pinsettings
	)

Definition at line 8 of file gpioselect.c.

References OK, and PINMUXBASE.

{
    volatile uint32* confreg; /* Pin configuration register */

    /* Pick up the pin configuration register address */

    confreg = &(((uint32*)PINMUXBASE)[pinreg]);

    /* Apply the specified settings to the pin */

    *confreg = pinmode|pinsettings;

    return OK;
}