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Include the following files in your project tree from the µC/TCP-IP HTTPs source code distribution, as indicated in Figure - µC/HTTPs Source Code.
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\Micrium\Software\uC-TCPIP
\Micrium\Software\uC-TCPIP\Dev\Ether\<device_name>
\Micrium\Software\uC-TCPIP\Dev\Ether\PHY\<phy_device_name>
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