Аудио-концентратор: список регистров

  Unused

  RXNU_INT

RX FIFO Underrun Pending Interrupt
0: No Pending Interrupt
1: RXFIFO Underrun Pending Interrupt
Write 1 to clear this interrupt.

  Unused

  RXNA_INT

RX FIFO Data Available Pending Interrupt

0: No Pending IRQ
1: TX FIFO Data Available Pending Interrupt When Data in RX FIFO are more than RX Trigger Level
Write 1 to clear this Interrupt or Automatic clear if Interrupt condition fails

Команда U-Boot для чтения регистра

Bit fields structure

typedef union  apbif_rxnirq_sts
{
  struct
  {
   unsigned rxna_int : 1;
   unsigned unused0 : 1;
   unsigned rxnu_int : 1;
   unsigned unused1 : 29;
  } b;
   unsigned long w;
} APBIF_RXnIRQ_STS