Регистры H616: TWI_DRV Interrupt Control Register

TWI_DRV_INT_CTRL

9.1.5. TWI_DRV Interrupt Control Register - адрес: 0x5002214 0x5002614 0x5002a14 0x5002e14 0x5003214 0x7081614 (смещение: 0x0214)

Двухпроводной интерфейс: список регистров

31 |•|•|•|•|•|•|•|•|•|•|•|•|•|•|•|•| 16
15 |•|•|•|•|•|•|•|•|•|•|•|•|•|•|•|•| 00

Unused

Bits 31 : 20

RX_REQ_INT_EN

Bit 19
R/W
0x0

TX_REQ_INT_EN

Bit 18
R/W
0x0

TRAN_ERR_INT_EN

Bit 17
R/W
0x0

TRAN_COM_INT_EN

Bit 16
R/W
0x0

Unused

Bits 15 : 4

RX_REQ_PD

Bit 3
R/W1C
0x0

Set when the data byte number in RECV_FIFO reaches RX_TRIG

TX_REQ_PD

Bit 2
R/W1C
0x0

Set when there is no less than DMA_TX_TRIG empty byte number in SEND_FIFO

TRAN_ERR_PD

Bit 1
R/W1C
0x0

Packet transmission failed pending

TRAN_COM_PD

Bit 0
R/W1C
0x0

Packet transmission completed pending

Команда U-Boot для чтения регистра

md 5002214 1
md 5002614 1
md 5002a14 1
md 5002e14 1
md 5003214 1
md 7081614 1

Bit fields structure

typedef union twi_drv_int_ctrl { struct { unsigned tran_com_pd : 1; unsigned tran_err_pd : 1; unsigned tx_req_pd : 1; unsigned rx_req_pd : 1; unsigned unused0 : 12; unsigned tran_com_int_en : 1; unsigned tran_err_int_en : 1; unsigned tx_req_int_en : 1; unsigned rx_req_int_en : 1; unsigned unused1 : 12; } b; unsigned long w; } TWI_DRV_INT_CTRL