WIZnet / WIZnet_Library

This is WIZnet Ethernet Interface using Hardware TCP/IP chip, W5500, W5200 and W5100. One of them can be selected by enabling it in wiznet.h.

Dependents:   Embedded_web EmailButton EmailButton HTTPClient_Weather ... more

other drivers

for only W5500 / WIZ550io user, you could use

Import libraryW5500Interface

This is the Interface library for WIZnet W5500 chip which forked of EthernetInterfaceW5500, WIZnetInterface and WIZ550ioInterface. This library has simple name as "W5500Interface". and can be used for Wiz550io users also.

Last commit 28 Apr 2015 by W5500-Ethernet-Interface Makers

WIZnetInterface/Socket/TCPSocketConnection.cpp@8:cb8808b47e69, 2015-05-31 (annotated)

Committer:
Bongjun
Date:
Sun May 31 10:25:40 2015 +0000
Revision:
8:cb8808b47e69
Parent:
7:7c67a8922ec5 
fix some codes of reading Sn_RX_RSR, Sn_TX_FSR in W5100.cpp, W5200.cpp; added is_fin_received()  in W5100, W5200 files

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bangbh 6:ca8405b9564d 1 /* Copyright (C) 2012 mbed.org, MIT License
bangbh 6:ca8405b9564d 2 *
bangbh 6:ca8405b9564d 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
bangbh 6:ca8405b9564d 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
bangbh 6:ca8405b9564d 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
bangbh 6:ca8405b9564d 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
bangbh 6:ca8405b9564d 7 * furnished to do so, subject to the following conditions:
bangbh 6:ca8405b9564d 8 *
bangbh 6:ca8405b9564d 9 * The above copyright notice and this permission notice shall be included in all copies or
bangbh 6:ca8405b9564d 10 * substantial portions of the Software.
bangbh 6:ca8405b9564d 11 *
bangbh 6:ca8405b9564d 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
bangbh 6:ca8405b9564d 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
bangbh 6:ca8405b9564d 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
bangbh 6:ca8405b9564d 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
bangbh 6:ca8405b9564d 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
bangbh 6:ca8405b9564d 17 */
Bongjun 7:7c67a8922ec5 18 #include "TCPSocketConnection.h"
Bongjun 7:7c67a8922ec5 19 #include <cstring>
bangbh 6:ca8405b9564d 20
Bongjun 7:7c67a8922ec5 21 using std::memset;
Bongjun 7:7c67a8922ec5 22 using std::memcpy;
bangbh 6:ca8405b9564d 23
Bongjun 7:7c67a8922ec5 24 // not a big code.
Bongjun 7:7c67a8922ec5 25 // refer from EthernetInterface by mbed official driver
Bongjun 7:7c67a8922ec5 26 TCPSocketConnection::TCPSocketConnection() :
Bongjun 7:7c67a8922ec5 27 _is_connected(false)
bangbh 6:ca8405b9564d 28 {
bangbh 6:ca8405b9564d 29 }
bangbh 6:ca8405b9564d 30
bangbh 6:ca8405b9564d 31 int TCPSocketConnection::connect(const char* host, const int port)
bangbh 6:ca8405b9564d 32 {
bangbh 6:ca8405b9564d 33 if (_sock_fd < 0) {
bangbh 6:ca8405b9564d 34 _sock_fd = eth->new_socket();
bangbh 6:ca8405b9564d 35 if (_sock_fd < 0) {
bangbh 6:ca8405b9564d 36 return -1;
bangbh 6:ca8405b9564d 37 }
bangbh 6:ca8405b9564d 38 }
bangbh 6:ca8405b9564d 39 if (set_address(host, port) != 0) {
bangbh 6:ca8405b9564d 40 return -1;
bangbh 6:ca8405b9564d 41 }
bangbh 6:ca8405b9564d 42 if (!eth->connect(_sock_fd, get_address(), port)) {
bangbh 6:ca8405b9564d 43 return -1;
bangbh 6:ca8405b9564d 44 }
Bongjun 7:7c67a8922ec5 45 set_blocking(false);
Bongjun 7:7c67a8922ec5 46 // add code refer from EthernetInterface.
Bongjun 7:7c67a8922ec5 47 _is_connected = true;
bangbh 6:ca8405b9564d 48 return 0;
bangbh 6:ca8405b9564d 49 }
bangbh 6:ca8405b9564d 50
bangbh 6:ca8405b9564d 51 bool TCPSocketConnection::is_connected(void)
bangbh 6:ca8405b9564d 52 {
Bongjun 7:7c67a8922ec5 53 // force update recent state.
Bongjun 7:7c67a8922ec5 54 _is_connected = eth->is_connected(_sock_fd);
Bongjun 7:7c67a8922ec5 55 return _is_connected;
bangbh 6:ca8405b9564d 56 }
bangbh 6:ca8405b9564d 57
bangbh 6:ca8405b9564d 58
bangbh 6:ca8405b9564d 59 bool TCPSocketConnection::is_fin_received(void)
bangbh 6:ca8405b9564d 60 {
bangbh 6:ca8405b9564d 61 return eth->is_fin_received(_sock_fd);
bangbh 6:ca8405b9564d 62 }
jbkim 0:b72d22e10709 63
bangbh 6:ca8405b9564d 64 int TCPSocketConnection::send(char* data, int length)
bangbh 6:ca8405b9564d 65 {
Bongjun 7:7c67a8922ec5 66 // add to cover exception.
Bongjun 7:7c67a8922ec5 67 if ((_sock_fd < 0) || !_is_connected)
Bongjun 7:7c67a8922ec5 68 return -1;
Bongjun 7:7c67a8922ec5 69
bangbh 6:ca8405b9564d 70 int size = eth->wait_writeable(_sock_fd, _blocking ? -1 : _timeout);
bangbh 6:ca8405b9564d 71 if (size < 0) {
bangbh 6:ca8405b9564d 72 return -1;
bangbh 6:ca8405b9564d 73 }
bangbh 6:ca8405b9564d 74 if (size > length) {
bangbh 6:ca8405b9564d 75 size = length;
bangbh 6:ca8405b9564d 76 }
bangbh 6:ca8405b9564d 77 return eth->send(_sock_fd, data, size);
bangbh 6:ca8405b9564d 78 }
bangbh 6:ca8405b9564d 79
bangbh 6:ca8405b9564d 80 // -1 if unsuccessful, else number of bytes written
bangbh 6:ca8405b9564d 81 int TCPSocketConnection::send_all(char* data, int length)
bangbh 6:ca8405b9564d 82 {
Bongjun 7:7c67a8922ec5 83
bangbh 6:ca8405b9564d 84 int writtenLen = 0;
bangbh 6:ca8405b9564d 85 while (writtenLen < length) {
bangbh 6:ca8405b9564d 86 int size = eth->wait_writeable(_sock_fd, _blocking ? -1 : _timeout);
bangbh 6:ca8405b9564d 87 if (size < 0) {
bangbh 6:ca8405b9564d 88 return -1;
bangbh 6:ca8405b9564d 89 }
bangbh 6:ca8405b9564d 90 if (size > (length-writtenLen)) {
bangbh 6:ca8405b9564d 91 size = (length-writtenLen);
bangbh 6:ca8405b9564d 92 }
bangbh 6:ca8405b9564d 93 int ret = eth->send(_sock_fd, data + writtenLen, size);
bangbh 6:ca8405b9564d 94 if (ret < 0) {
bangbh 6:ca8405b9564d 95 return -1;
bangbh 6:ca8405b9564d 96 }
bangbh 6:ca8405b9564d 97 writtenLen += ret;
bangbh 6:ca8405b9564d 98 }
bangbh 6:ca8405b9564d 99 return writtenLen;
bangbh 6:ca8405b9564d 100 }
bangbh 6:ca8405b9564d 101
bangbh 6:ca8405b9564d 102 // -1 if unsuccessful, else number of bytes received
bangbh 6:ca8405b9564d 103 int TCPSocketConnection::receive(char* data, int length)
bangbh 6:ca8405b9564d 104 {
Bongjun 7:7c67a8922ec5 105 // add to cover exception.
Bongjun 7:7c67a8922ec5 106 if ((_sock_fd < 0) || !_is_connected)
Bongjun 7:7c67a8922ec5 107 return -1;
Bongjun 7:7c67a8922ec5 108
bangbh 6:ca8405b9564d 109 int size = eth->wait_readable(_sock_fd, _blocking ? -1 : _timeout);
bangbh 6:ca8405b9564d 110 if (size < 0) {
bangbh 6:ca8405b9564d 111 return -1;
bangbh 6:ca8405b9564d 112 }
bangbh 6:ca8405b9564d 113 if (size > length) {
bangbh 6:ca8405b9564d 114 size = length;
bangbh 6:ca8405b9564d 115 }
bangbh 6:ca8405b9564d 116 return eth->recv(_sock_fd, data, size);
bangbh 6:ca8405b9564d 117 }
bangbh 6:ca8405b9564d 118
bangbh 6:ca8405b9564d 119 // -1 if unsuccessful, else number of bytes received
bangbh 6:ca8405b9564d 120 int TCPSocketConnection::receive_all(char* data, int length)
bangbh 6:ca8405b9564d 121 {
bangbh 6:ca8405b9564d 122 int readLen = 0;
bangbh 6:ca8405b9564d 123 while (readLen < length) {
bangbh 6:ca8405b9564d 124 int size = eth->wait_readable(_sock_fd, _blocking ? -1 :_timeout);
bangbh 6:ca8405b9564d 125 if (size <= 0) {
bangbh 6:ca8405b9564d 126 break;
bangbh 6:ca8405b9564d 127 }
bangbh 6:ca8405b9564d 128 if (size > (length - readLen)) {
bangbh 6:ca8405b9564d 129 size = length - readLen;
bangbh 6:ca8405b9564d 130 }
bangbh 6:ca8405b9564d 131 int ret = eth->recv(_sock_fd, data + readLen, size);
bangbh 6:ca8405b9564d 132 if (ret < 0) {
bangbh 6:ca8405b9564d 133 return -1;
bangbh 6:ca8405b9564d 134 }
bangbh 6:ca8405b9564d 135 readLen += ret;
bangbh 6:ca8405b9564d 136 }
bangbh 6:ca8405b9564d 137 return readLen;
bangbh 6:ca8405b9564d 138 }
bangbh 6:ca8405b9564d 139