DEVDCB Struct Reference
[XgDevGenChar]


Detailed Description

Device driver's private data structure.


Data Fields

u_char dcb_rbuff [16]
volatile int dcb_rcnt
HANDLE dcb_rrdy
u_long dcb_rtimeout
u_char dcb_tbuff [16]
volatile int dcb_tcnt
int dcb_tlen
HANDLE dcb_trdy
u_long dcb_ttimeout


Field Documentation

u_char DEVDCB::dcb_rbuff[16]

Receive buffer.

volatile int DEVDCB::dcb_rcnt

Number of bytes in the receive buffer.

HANDLE DEVDCB::dcb_rrdy

Receiver ready queue.

u_long DEVDCB::dcb_rtimeout

Read timeout.

u_char DEVDCB::dcb_tbuff[16]

Transmit buffer.

volatile int DEVDCB::dcb_tcnt

Number of bytes already transmitted.

int DEVDCB::dcb_tlen

Number of bytes in the transmit buffer.

HANDLE DEVDCB::dcb_trdy

Transmitter ready queue.

u_long DEVDCB::dcb_ttimeout

Write timeout.


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