UIPEthernet library for Arduino IDE, Eclipse with arduino plugin and MBED/SMeshStudio (AVR,STM32F,ESP8266,Intel ARC32,Nordic nRF51,Teensy boards,Realtek Ameba(RTL8195A,RTL8710)), ENC28j60 network chip. Compatible with Wiznet W5100 Ethernet library API. Compiled and tested on Nucleo-F302R8. Master repository is: https://github.com/UIPEthernet/UIPEthernet/
UIPUdp.h
- Committer:
- cassyarduino
- Date:
- 2017-01-04
- Revision:
- 19:e416943f7119
- Parent:
- 10:cd62b2205c2a
- Child:
- 33:7ba5d53df0f2
File content as of revision 19:e416943f7119:
/* UIPUdp.h - Arduino implementation of a uIP wrapper class Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de> All rights reserved. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef UIPUDP_H #define UIPUDP_H #include "ethernet_comp.h" #if defined(ARDUINO) #include <Arduino.h> #include "Print.h" #if defined(__STM32F3__) || defined(STM32F3) #include "mbed/Udp.h" #else #include <Udp.h> #endif #endif #if defined(__MBED__) #include <mbed.h> #include "mbed/Print.h" #include "mbed/Udp.h" #endif #include "utility/mempool.h" extern "C" { #include "utility/uip.h" } #define UIP_UDP_MAXDATALEN 1500 #define UIP_UDP_PHYH_LEN UIP_LLH_LEN+UIP_IPUDPH_LEN #define UIP_UDP_MAXPACKETSIZE UIP_UDP_MAXDATALEN+UIP_UDP_PHYH_LEN typedef struct { memaddress out_pos; memhandle packet_next; memhandle packet_in; memhandle packet_out; bool send; } uip_udp_userdata_t; #if defined(ARDUINO) && !defined(STM32F3) class UIPUDP : public UDP { #endif #if defined(__MBED__) || defined(STM32F3) class UIPUDP : public Print, public UDP { #endif private: struct uip_udp_conn *_uip_udp_conn; uip_udp_userdata_t appdata; public: UIPUDP(void); // Constructor 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 virtual void stop(void); // Finish with the UDP socket // Sending UDP packets // Start building up a packet to send to the remote host specific in ip and port // Returns 1 if successful, 0 if there was a problem with the supplied IP address or port virtual int beginPacket(IPAddress ip, uint16_t port); // Start building up a packet to send to the remote host specific in host and port // Returns 1 if successful, 0 if there was a problem resolving the hostname or port virtual int beginPacket(const char *host, uint16_t port); // Finish off this packet and send it // Returns 1 if the packet was sent successfully, 0 if there was an error virtual int endPacket(void); // Write a single byte into the packet virtual size_t write(uint8_t); // Write size bytes from buffer into the packet virtual size_t write(const uint8_t *buffer, size_t size); using Print::write; // Start processing the next available incoming packet // Returns the size of the packet in bytes, or 0 if no packets are available virtual int parsePacket(void); // Number of bytes remaining in the current packet virtual int available(void); // Read a single byte from the current packet virtual int read(void); // Read up to len bytes from the current packet and place them into buffer // Returns the number of bytes read, or 0 if none are available virtual int read(unsigned char* buffer, size_t len); // Read up to len characters from the current packet and place them into buffer // Returns the number of characters read, or 0 if none are available virtual int read(char* buffer, size_t len) { return read((unsigned char*) buffer, len); } ; // Return the next byte from the current packet without moving on to the next byte virtual int peek(void); virtual void flush(void); // Finish reading the current packet // Return the IP address of the host who sent the current incoming packet virtual IPAddress remoteIP(void); // Return the port of the host who sent the current incoming packet virtual uint16_t remotePort(void); private: friend void uipudp_appcall(void); friend class UIPEthernetClass; static void _send(uip_udp_userdata_t *data); }; #endif