Aaron Fischer
f24858d162
This step seems bold, but is saves us so much hassle. Even better, we have a reliable codebase, with all the dependencies (and their versions) we need in order to build the project. If a library got an update, we can replace it inplace if the code is still compatible.
81 lines
3.2 KiB
C++
81 lines
3.2 KiB
C++
/*
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WiFiUdp.h - Library for Arduino Wifi shield.
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Copyright (c) 2011-2014 Arduino LLC. All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef wifiudp_h
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#define wifiudp_h
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#include <Udp.h>
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#define UDP_TX_PACKET_MAX_SIZE 24
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class WiFiUDP : public UDP {
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private:
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uint8_t _sock; // socket ID for Wiz5100
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uint16_t _port; // local port to listen on
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public:
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WiFiUDP(); // Constructor
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virtual uint8_t begin(uint16_t); // initialize, start listening on specified port. Returns 1 if successful, 0 if there are no sockets available to use
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virtual void stop(); // Finish with the UDP socket
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// Sending UDP packets
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// Start building up a packet to send to the remote host specific in ip and port
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// Returns 1 if successful, 0 if there was a problem with the supplied IP address or port
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virtual int beginPacket(IPAddress ip, uint16_t port);
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// Start building up a packet to send to the remote host specific in host and port
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// Returns 1 if successful, 0 if there was a problem resolving the hostname or port
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virtual int beginPacket(const char *host, uint16_t port);
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// Finish off this packet and send it
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// Returns 1 if the packet was sent successfully, 0 if there was an error
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virtual int endPacket();
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// Write a single byte into the packet
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virtual size_t write(uint8_t);
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// Write size bytes from buffer into the packet
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virtual size_t write(const uint8_t *buffer, size_t size);
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using Print::write;
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// Start processing the next available incoming packet
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// Returns the size of the packet in bytes, or 0 if no packets are available
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virtual int parsePacket();
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// Number of bytes remaining in the current packet
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virtual int available();
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// Read a single byte from the current packet
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virtual int read();
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// Read up to len bytes from the current packet and place them into buffer
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// Returns the number of bytes read, or 0 if none are available
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virtual int read(unsigned char* buffer, size_t len);
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// Read up to len characters from the current packet and place them into buffer
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// Returns the number of characters read, or 0 if none are available
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virtual int read(char* buffer, size_t len) { return read((unsigned char*)buffer, len); };
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// Return the next byte from the current packet without moving on to the next byte
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virtual int peek();
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virtual void flush(); // Finish reading the current packet
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// Return the IP address of the host who sent the current incoming packet
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virtual IPAddress remoteIP();
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// Return the port of the host who sent the current incoming packet
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virtual uint16_t remotePort();
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friend class WiFiDrv;
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};
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#endif
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