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Merge branch 'dhcp' of github.com:amcewen/Arduino.

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This includes DCHP support and new UDP API for the Ethernet library.
This commit is contained in:
David A. Mellis
2011-03-23 23:28:33 -04:00
parent efae89ea0e
commit f43c0918ff
25 changed files with 1021 additions and 191 deletions
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21
libraries/Ethernet/utility/socket.h
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@ -16,5 +16,26 @@ extern uint16_t recvfrom(SOCKET s, uint8_t * buf, uint16_t len, uint8_t * addr,
extern uint16_t igmpsend(SOCKET s, const uint8_t * buf, uint16_t len);
// Functions to allow buffered UDP send (i.e. where the UDP datagram is built up over a
// number of calls before being sent
/*
@brief This function sets up a UDP datagram, the data for which will be provided by one
or more calls to bufferData and then finally sent with sendUDP.
@return 1 if the datagram was successfully set up, or 0 if there was an error
*/
extern int startUDP(SOCKET s, uint8_t* addr, uint16_t port);
/*
@brief This function copies up to len bytes of data from buf into a UDP datagram to be
sent later by sendUDP. Allows datagrams to be built up from a series of bufferData calls.
@return Number of bytes successfully buffered
*/
uint16_t bufferData(SOCKET s, uint16_t offset, const uint8_t* buf, uint16_t len);
/*
@brief Send a UDP datagram built up from a sequence of startUDP followed by one or more
calls to bufferData.
@return 1 if the datagram was successfully sent, or 0 if there was an error
*/
int sendUDP(SOCKET s);
#endif
/* _SOCKET_H_ */