Zilog EZ80F91AZA User Manual download pdf (Page 20)

RZK Board Support Package UM007518-1211

Zilog Real-Time Kernel: eZ80

CPU

User Manual

PHY Initialization

The F91PhyInit.c file contains the phyInit() initialization routine for the PHY. This

phyInit() routine currently configures the AMD Am89C874 PHY device featured on

the eZ80F91 Module and the MICREL KS8721 PHY device featured on the eZ80F91

Mini-Module. You can modify the

phyInit() routine to initialize other PHY devices.

WLAN Configuration

The configurable parameters for the WLAN driver are located in the wlan_conf.c file

which is available in the following path:

<ZDSII installed directory>\Program Files\Zilog\

ZDSII_eZ80Acclaim!_A.B.C\ZTP\ZTPX.Y.Z_Lib\RZK\Conf

For a description of the available WLAN drivers, see Table 5. If these parameters are set

to 0/NULL (as in the default case), the user must call the

scan and join commands to

connect to a particular AP. Otherwise, the values provided in these parameters are consid-

ered to connect to the specified AP without user interaction.

Table 4. Configurable EMAC Drivers

Variable/Macro Default Value Description/Valid Values

f91_mac_addr {

0x00, 0x90, 0x23, 0x73,

0x50, 0x49

};

The default MAC address must be initialized in

this array. You must change this value according

to your application setup. If more than one sys-

tem has the same MAC address and if DHCP is

enabled in ZTP, the same IP address is

assigned to all of the systems with the same

MAC address.

F91_emac_config (valid for

eZ80F91 module only)

{

1568, F91_AUTO,

BUF32

};

A structure that contains values with which the

EMAC device is to be initialized. Below are valid

values for different structure members:

F91_emac_config txBufSize = 0-1568

F91_emac_config mode = F91_10_HD,

F91_10_FD, F91_100_HD, F91_100_FD or

F91_AUTO

F91_emac_config bufSize = 32

EMAC_THD_STACK_SIZE

4096 EMAC interrupt thread’s stack size.

EMAC_TASK_PRIOH 6 EMAC interrupt thread’s priority.

Note: * Do not change this value without the knowledge of the whole system. The behavior of the system is indetermi-

nate if the default value is changed.

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