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It is required to define a mandatory dependency on lwip, so we introduced esp_netif_stack component and made it require lwip, instead of directly depending on lwip. This enables building w-out lwip and support other TCP/IP stacks.
21 lines
854 B
Markdown
21 lines
854 B
Markdown
# ESP-NETIF stack component
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This component is a direct dependency of ESP-NETIF and it defines a required dependency on lwIP.
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## Purpose
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Purpose of this component is to pull specific TCP/IP stack (lwIP) into the list of dependencies when using component ESP-NETIF.
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By means of `esp_netif_stack` component, we can define these two
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dependency scenarios:
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1) Defines a required dependency on lwIP via this component (default)
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2) In case a non-lwip build is required.
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## Configure ESP-NETIF for building without lwIP
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In order to use ESP-NETIF without lwIP (e.g. when using custom TCP/IP stack), follow these steps
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* unselect `CONFIG_ESP_NETIF_TCPIP_LWIP` in `esp_netif` component configuration
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* add a component `esp_netif_stack` to your private component paths
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* register an empty component `idf_component_register()` in the component's CMakeLists.txt
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