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OAL I/O Macros (Compact 2013)

  • Article

10/16/2014

The following table shows the I/O macros.

Programming Element

Description

CLRPORT8

This macro clears a byte from a specified port address.

CLRPORT16

This macro clears a 16-bit word from a specified port address.

CLRPORT32

This macro clears a 32-bit word from a specified port address.

CLRREG8

This macro clears a byte at a specified address.

CLRREG16

This macro clears a 16-bit word at a specified address.

CLRREG32

This macro clears a 32-bit word at a specified address.

INPORT8

This macro reads a byte from a specified address.

INPORT16

This macro reads a 16-bit word from a specified port address.

INPORT32

This macro reads a 32-bit word from a specified address.

INREG8

This macro reads a byte from a specified address.

INREG16

This macro reads a 16-bit word from a specified address.

INREG32

This macro reads a 32-bit word from a specified address.

MASKPORT8

This macro is a helper function that uses a bit mask to write a byte to a specified address.

MASKPORT16

This macro is a helper function that uses a bit mask to write a 16-bit word to a specified address.

MASKPORT32

This macro is a helper function that uses a bit mask to write a 32-bit word to a specified address.

MASKREG8

This macro is a helper function that uses a bit mask to write a byte to a specified address.

MASKREG16

This macro is a helper function that uses a bit mask to write a 16-bit word to a specified address.

MASKREG32

This macro is a helper function that uses a bit mask to write a 32-bit word to a specified address.

OUTPORT8

This macro writes a byte to a specified address.

OUTPORT16

This macro writes a 16-bit word to a specified address.

OUTPORT32

This macro writes a 32-bit word to a specified address.

OUTREG8

This macro writes a byte to a specified address.

OUTREG16

This macro writes a 16-bit word to a specified address.

OUTREG32

This macro writes a 32-bit word to a specified address.

SETPORT8

This macro sets the bits at a specified port address.

SETPORT16

This macro sets a 16-bit word at a specified port address.

SETPORT32

This macro sets a 32-bit word at a specified port address.

SETREG8

This macro sets the bits at a specified address.

SETREG16

This macro sets a 16-bit word at a specified address.

SETREG32

This macro sets a 32-bit word at a specified address.

See Also

Reference

OAL I/O Reference