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Allow MAX_SOCK_NUM to be overriden by previous define #168

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Allow MAX_SOCK_NUM to be overriden by previous define #168

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2 changes: 2 additions & 0 deletions src/Ethernet.h
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Original file line number Diff line number Diff line change
Expand Up @@ -33,11 +33,13 @@
// up to 4 sockets. W5200 & W5500 can have up to 8 sockets. Several bytes
// of RAM are used for each socket. Reducing the maximum can save RAM, but
// you are limited to fewer simultaneous connections.
#ifndef MAX_SOCK_NUM
#if defined(RAMEND) && defined(RAMSTART) && ((RAMEND - RAMSTART) <= 2048)
#define MAX_SOCK_NUM 4
#else
#define MAX_SOCK_NUM 8
#endif
#endif

// By default, each socket uses 2K buffers inside the WIZnet chip. If
// MAX_SOCK_NUM is set to fewer than the chip's maximum, uncommenting
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