Compaq AA-RNG2A-TE manual Window 4 Diagnostic Register Offset Definitions, Mdncrc

8

Defines the offset for the free transmit bytes register.

2.6 Window 4 Diagnostic Register Offset Definitions

The window 4 operational registers include such registers as the media type and status register and the network diagnostic port register, as shown in Figure 2–4.

Figure 2–4: Window 4 Diagnostic Registers

Register	Constant
Media Type and Status Register	W4_MEDIA
Network Diagnostic and	W4_NET
Status Register

ZK-1270U-AI

The following code shows the definitions for the window 4 diagnostic registers:

#define W4_MEDIA			0xa
enum w4_media {		2
MD_TPE	=0x8000,
MD_COAXE	=0x4000,
MD_RES1	=0x2000,
MD_SQE	=0x1000,
MD_VLB	=0x0800,
MD_PRD	=0x0400,
MD_JAB	=0x0200,
MD_UNSQ	=0x0100,
MD_LBE	=0x0080,
MD_JABE	=0x0040,
MD_CS	=0x0020,
MD_COLL	=0x0010,
MD_SQEE	=0x0008,
MD_NCRC	=0x0004

};

#define W4_NET0x6 enum w4_net { 4

ND_EXT =0x8000, ND_ENDEC =0x4000,

ND_ECL =0x2000, ND_LOOP =0x1000,

ND_TXE =0x0800,

ND_RXE =0x0400,

ND_TXB =0x0200, ND_TXRR =0x0100, ND_STATE =0x0080,

ND_REV =0x003e,

ND_LOW =0x0001

};

1

3

1

Defines the offset for the media type and status register.

Defining Device Register Offsets 2–11