2.4 Function specification

[Interrupt register access management]

  Title  
 Function specifications 

  Function  
 Get interrupt mask register 

  Function name  
 INT_GetMsk 

No
1

 
  format  Uint32 INT_GetMsk (void)
 Input  None
 Output  None
 Function value  Interrupt mask bit value
  (0: Do not mask, 1: Mask)
 Function  Acquires the mask save memory to the interrupt mask bit value. 

  Title  
 Function specifications 

  Function  
 Set interrupt mask register 

  Function name  
 INT_SetMsk 

No
2

 
  format  void INT_SetMsk (Uint32 msk_bit)
 Input  msk_bit: Interrupt mask bit value
  (0: Do not mask, 1: Mask)
 Output  None
 Function value  None
 Function  Sets the interrupt mask bit value in the interrupt mask register and mask storage memory. 

  Title  
 Function specifications 

  Function  
 Interrupt mask register change 

  Function name  
 INT_ChgMsk 

No
3

 
  format  void INT_ChgMsk (Uint32 ena_msk_bit, Uint32 dis_msk_bit)
 Input  ena_msk_bit: Interrupt mask bit value (enable)
:  dis_msk_bit: Interrupt mask bit value (disabled)
 Output  None
 Function value  None
 Function  Changes the interrupt mask register and mask save memory only for the specified bits. finger
.  Undefined bits retain their values.
:  Interrupt mask bit value (enable) 1 bit is set not to be masked and interrupt
:  Set the mask bit value (disabled) to mask 1 bit. Which
Bits for which   is not specified retain their values.
.  Interrupts are temporarily prohibited during this process. Also, the interrupt mask bit value (enable
Resets the interrupt status register corresponding to the 1 bit of  ( Bull). A-Bus split
If the  mask is enabled, the interrupt acknowledge register is enabled.
 Remarks  If you do not specify any interrupt mask bits, specify INT_MSK_NULL.