Altera_avalon_fifo_read_ienable(), Altera_avalon_fifo_read_almostfull(), Altera_avalon_fifo_read_almostempty() – Altera Embedded Peripherals IP User Manual
Page 168: Altera_avalon_fifo_read_ienable() -13, Altera_avalon_fifo_read_almostfull() -13, Altera_avalon_fifo_read_almostempty() -13
Parameters:
address
—the base address of the FIFO control slave
mask
—masks the read value from the
status
register
Returns:
Returns the masked bits of the addressed register.
Description:
Gets the addressed register bits—the
AND
of the value of the addressed register
and the mask.
altera_avalon_fifo_read_ienable()
Prototype:
int altera_avalon_fifo_read_ienable(alt_u32 address, alt_u32 mask)
Thread-safe:
No.
Available from
ISR:
No.
Include:
<altera_avalon_fifo_regs.h>, <altera_avalon_fifo_utils.h>
Parameters:
address
—the base address of the FIFO control slave
mask
—masks the read value from the
interruptenable
register
Returns:
Returns the logical
AND
of the
interruptenable
register and the mask.
Description:
Gets the logical
AND
of the
interruptenable
register and the mask.
altera_avalon_fifo_read_almostfull()
Prototype:
int altera_avalon_fifo_read_almostfull(alt_u32 address)
Thread-safe:
No.
Available
from ISR:
No.
Include:
<altera_avalon_fifo_regs.h>, <altera_avalon_fifo_utils.h>
Parameters:
address
—the base address of the FIFO control slave
Returns:
Returns the value of the
almostfull
register.
Description:
Gets the value of the
almostfull
register.
altera_avalon_fifo_read_almostempty()
Prototype:
int altera_avalon_fifo_read_almostempty(alt_u32 address)
Thread-safe:
No.
Available
from ISR:
No.
Include:
<altera_avalon_fifo_regs.h>, <altera_avalon_fifo_utils.h>
Parameters:
address
—the base address of the FIFO control slave
Returns:
Returns the value of the
almostempty
register.
UG-01085
2014.24.07
altera_avalon_fifo_read_ienable()
16-13
On-Chip FIFO Memory Core
Altera Corporation