參數(shù)資料
型號： 101-0494
廠商： Rabbit Semiconductor
文件頁數(shù)： 47/90頁
文件大?。?/td> 0K
描述： MODULE RABBITCORE RCM2250
標(biāo)準(zhǔn)包裝： 1
系列： RabbitCore®
模塊/板類型： 單板計算機(jī)模塊
適用于相關(guān)產(chǎn)品： RCM2250
User’s Manual
45
6.7 How to Set IP Addresses in the Sample Programs
We have provided a number of sample programs demonstrating various uses of TCP/IP for
networking embedded systems. These programs require that you connect your PC and the
Coyote together on the same network. This network can be a local private network (pre-
ferred for initial experimentation and debugging), or a connection via the Internet.
With the introduction of Dynamic C 7.30 we have taken steps to make it easier to run
many of our sample programs. You will see a TCPCONFIG macro. This macro tells
Dynamic C to select your configuration from a list of default configurations. You will
have three choices when you encounter a sample program with the TCPCONFIG macro.
1. You can replace the TCPCONFIG macro with individual MY_IP_ADDRESS,
MY_NETMASK
, MY_GATEWAY, and MY_NAMESERVER macros in each program.
2. You can leave TCPCONFIG at the usual default of 1, which will set the IP configurations
to 10.10.6.100, the netmask to 255.255.255.0, and the nameserver and gateway
to 10.10.6.1. If you would like to change the default values, for example, to use an IP
address of 10.1.1.2 for the Coyote board, and 10.1.1.1 for your PC, you can edit
the values in the section that directly follows the “General Configuration” comment in
the TCP_CONFIG.LIB library. You will find this library in the LIB\TCPIP directory.
3. You can create a CUSTOM_CONFIG.LIB library and use a TCPCONFIG value greater
than 100. Instructions for doing this are at the beginning of the TCP_CONFIG.LIB
library in the LIB\TCPIP directory.
There are some other “standard” configurations for TCPCONFIG that let you select differ-
ent features such as DHCP. Their values are documented at the top of the
TCP_CONFIG.LIB
library in the LIB\TCPIP directory. More information is available in
the Dynamic C TCP/IP User’s Manual.
IP Addresses Before Dynamic C 7.30
Most of the sample programs use macros to define the IP address assigned to the board and
the IP address of the gateway, if there is a gateway. Instead of the TCPCONFIG macro, you
will see a MY_IP_ADDRESS macro and other macros.
#define MY_IP_ADDRESS "10.10.6.170"
#define MY_NETMASK "255.255.255.0"
#define MY_GATEWAY "10.10.6.1"
#define MY_NAMESERVER "10.10.6.1"
In order to do a direct connection, the following IP addresses can be used for the Coyote:
#define MY_IP_ADDRESS "10.1.1.2"
#define MY_NETMASK "255.255.255.0"
// #define MY_GATEWAY "10.10.6.1"
// #define MY_NAMESERVER "10.10.6.1"
In this case, the gateway and nameserver are not used, and are commented out. The IP
address of the board is defined to be 10.1.1.2. The IP address of your PC can be defined
as 10.1.1.1.
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