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µC/TCP-IP is configurable at compile time via approximately 70 50 #defines in the application’s net_cfg.h file. µC/TCP-IP uses #defines because they allow code and data sizes to be scaled at compile time based on enabled features and the configured number of network objects. This allows the ROM and RAM footprints of µC/TCP-IP to be adjusted based on application requirements.
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The sections in this chapter are organized following the order in µC/TCP-IP's template configuration file, net_cfg.h.
Task Queue Configuration
| Constant | Description | Possible Values |
|---|---|---|
| NET_CFG_IF_RX_Q_SIZE | ||
| NET_CFG_IF_TX_DEALLOC_Q_SIZE |
Compile Features
| Constant | Description | Possible Values |
|---|---|---|
| NET_CFG_OPTIMIZE_ASM_EN | Select portions of µC/TCP-IP code may call optimized assembly functions by configuring If optimized assembly files/functions are included in the µC/TCP-IP build set Set to | DEF_ENABLED or DEF_DISABLED |
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Address Resolution Protocol (ARP)
ARP is only required with IPv4used when the IPv4 stack is enabled.
| Constant | Description | Possible Values |
|---|---|---|
| NET_ARP_CFG_CACHE_NBR | Configures the number of ARP cache entries. |
Neighbor Discovery Protocol (NDP)
NDPis only required with IPv6NDP is only used when the IPv6 stack is enabled.
| Constant | Description | Possible Values |
|---|---|---|
| NET_NDP_CFG_CACHE_NBR | ||
| NET_NDP_CFG_DEST_NBR | ||
| NET_NDP_CFG_PREFIX_NBR | ||
| NET_NDP_CFG_ROUTER_NBR |
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