6.4.1 How to Set IP Addresses in the Sample Programs
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_NET-
MASK , 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 RCM3360/RCM3370 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_CON-
FIG.LIB library in the LIB\TCPIP directory. More information is available in the
Dynamic C TCP/IP User ’s Manual .
56
RabbitCore RCM3360/RCM3370
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