參數(shù)資料
型號(hào): 101-1262
廠商: Rabbit Semiconductor
文件頁數(shù): 101/120頁
文件大?。?/td> 0K
描述: KIT DEV RCM5400W US/INTERNATIONL
標(biāo)準(zhǔn)包裝: 1
系列: RabbitCore 5000
類型: Wi-Fi / 802.11.b
頻率: 2.4GHz
適用于相關(guān)產(chǎn)品: RCM5400W
已供物品: 板,模塊,線纜,CD,電源
其它名稱: 316-1138
User’s Manual
75
6.3.2 Configuring TCP/IP at Run Time
There is one basic function call used to configure Wi-Fi and other network settings —
ifconfig()
. See the Dynamic C TCP/IP User’s Manual, Volume 1 for more informa-
tion about this function call.
6.3.3 Other Key Function Calls
Remember to call sock_init() after all the Wi-Fi parameters have been defined. The
Wi-Fi interface will be up automatically as long as you configured Dynamic C at compile
time with one of the TCPCONFIG macros. Otherwise the Wi-Fi interface is neither up nor
down, and must be brought up explicitly by calling either ifup(IF_WIFI0) or
ifconfig(IF_WIFI0,…)
. You must bring the interface down when you configure
Dynamic C at run time before modifying any parameters that require the interface to be
down (see Section 6.3.2) by calling ifdown(IF_WIFI0). Then bring the interface back up.
Finally, no radio transmission occurs until you call tcp_tick(NULL).
Instead of executing the above sequence based on sock_init(), you could use sock_
init_or_exit(1)
as a debugging tool to transmit packets (ARP, DHCP, association,
and authentication) while bringing up the interface and to get the IP address.
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