gs fan / GSwifiInterface

GSwifiInterface library (interface for GainSpan Wi-Fi GS1011 modules) Please see https://mbed.org/users/gsfan/notebook/GSwifiInterface/

Dependents:   GSwifiInterface_HelloWorld GSwifiInterface_HelloServo GSwifiInterface_UDPEchoServer GSwifiInterface_UDPEchoClient ... more

Fork of WiflyInterface by mbed official

GainSpan Wi-Fi library

The GS1011/GS2100 is an ultra low power 802.11b wireless module from GainSpan.

mbed RTOS supported.

/media/uploads/gsfan/gs_im_002.jpg /media/uploads/gsfan/gs1011m_2.jpg

ゲインスパン Wi-Fi モジュール ライブラリ

ゲインスパン社の低電力 Wi-Fiモジュール（無線LAN） GS1011/GS2100 シリーズ用のライブラリです。

mbed RTOS に対応しています。(mbed2.0)

GSwifi/GSwifi_sock.cpp@8:64184a968e3b, 2013-10-31 (annotated)

Committer:
gsfan
Date:
Thu Oct 31 06:41:45 2013 +0000
Revision:
8:64184a968e3b
Child:
11:71d67fea5ace
supported mbed RTOS

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gsfan 8:64184a968e3b 1 /* Copyright (C) 2013 gsfan, MIT License
gsfan 8:64184a968e3b 2 *
gsfan 8:64184a968e3b 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
gsfan 8:64184a968e3b 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
gsfan 8:64184a968e3b 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
gsfan 8:64184a968e3b 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
gsfan 8:64184a968e3b 7 * furnished to do so, subject to the following conditions:
gsfan 8:64184a968e3b 8 *
gsfan 8:64184a968e3b 9 * The above copyright notice and this permission notice shall be included in all copies or
gsfan 8:64184a968e3b 10 * substantial portions of the Software.
gsfan 8:64184a968e3b 11 *
gsfan 8:64184a968e3b 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
gsfan 8:64184a968e3b 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
gsfan 8:64184a968e3b 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
gsfan 8:64184a968e3b 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
gsfan 8:64184a968e3b 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
gsfan 8:64184a968e3b 17 */
gsfan 8:64184a968e3b 18
gsfan 8:64184a968e3b 19 #include "GSwifi.h"
gsfan 8:64184a968e3b 20
gsfan 8:64184a968e3b 21 int GSwifi::getHostByName(const char * host, char * ip)
gsfan 8:64184a968e3b 22 {
gsfan 8:64184a968e3b 23 int i, flg = 0;
gsfan 8:64184a968e3b 24
gsfan 8:64184a968e3b 25 for (i = 0; i < strlen(host); i ++) {
gsfan 8:64184a968e3b 26 if ((host[i] < '0' || host[i] > '9') && host[i] != '.') {
gsfan 8:64184a968e3b 27 flg = 1;
gsfan 8:64184a968e3b 28 break;
gsfan 8:64184a968e3b 29 }
gsfan 8:64184a968e3b 30 }
gsfan 8:64184a968e3b 31 if (!flg) {
gsfan 8:64184a968e3b 32 strncpy(ip, host, 16);
gsfan 8:64184a968e3b 33 return 0;
gsfan 8:64184a968e3b 34 }
gsfan 8:64184a968e3b 35
gsfan 8:64184a968e3b 36 if (cmdDNSLOOKUP(host)) {
gsfan 8:64184a968e3b 37 // retry
gsfan 8:64184a968e3b 38 wait_ms(1000);
gsfan 8:64184a968e3b 39 if (cmdDNSLOOKUP(host)) return -1;
gsfan 8:64184a968e3b 40 }
gsfan 8:64184a968e3b 41 strncpy(ip, _state.resolv, 16);
gsfan 8:64184a968e3b 42 return 0;
gsfan 8:64184a968e3b 43 }
gsfan 8:64184a968e3b 44
gsfan 8:64184a968e3b 45 int GSwifi::open (Protocol proto, const char *ip, int port, int src) {
gsfan 8:64184a968e3b 46 _state.cid = -1;
gsfan 8:64184a968e3b 47 _state.acid = -1;
gsfan 8:64184a968e3b 48 if (proto == PROTO_TCP) {
gsfan 8:64184a968e3b 49 if (cmdNCTCP(ip, port)) return -1;
gsfan 8:64184a968e3b 50 } else {
gsfan 8:64184a968e3b 51 if (cmdNCUDP(ip, port, src)) return -1;
gsfan 8:64184a968e3b 52 }
gsfan 8:64184a968e3b 53 if (_state.cid < 0) return -1;
gsfan 8:64184a968e3b 54 _con[_state.cid].protocol = proto;
gsfan 8:64184a968e3b 55 _con[_state.cid].type = TYPE_CLIENT;
gsfan 8:64184a968e3b 56 return _state.cid;
gsfan 8:64184a968e3b 57 }
gsfan 8:64184a968e3b 58
gsfan 8:64184a968e3b 59 int GSwifi::listen (Protocol proto, int port) {
gsfan 8:64184a968e3b 60 _state.cid = -1;
gsfan 8:64184a968e3b 61 _state.acid = -1;
gsfan 8:64184a968e3b 62 if (proto == PROTO_TCP) {
gsfan 8:64184a968e3b 63 if (cmdNSTCP(port)) return -1;
gsfan 8:64184a968e3b 64 } else {
gsfan 8:64184a968e3b 65 if (cmdNSUDP(port)) return -1;
gsfan 8:64184a968e3b 66 }
gsfan 8:64184a968e3b 67 if (_state.cid < 0) return -1;
gsfan 8:64184a968e3b 68 _con[_state.cid].protocol = proto;
gsfan 8:64184a968e3b 69 _con[_state.cid].type = TYPE_SERVER;
gsfan 8:64184a968e3b 70 return _state.cid;
gsfan 8:64184a968e3b 71 }
gsfan 8:64184a968e3b 72
gsfan 8:64184a968e3b 73 int GSwifi::close (int cid) {
gsfan 8:64184a968e3b 74 if (cid < 0 || cid >= 16) return -1;
gsfan 8:64184a968e3b 75 _con[cid].connected = false;
gsfan 8:64184a968e3b 76 return cmdNCLOSE(cid);
gsfan 8:64184a968e3b 77 }
gsfan 8:64184a968e3b 78
gsfan 8:64184a968e3b 79 int GSwifi::send (int cid, const char *buf, int len) {
gsfan 8:64184a968e3b 80 char cmd[CFG_CMD_SIZE];
gsfan 8:64184a968e3b 81
gsfan 8:64184a968e3b 82 if (cid < 0 || cid >= 16) return -1;
gsfan 8:64184a968e3b 83 if (!_con[cid].connected) return -1;
gsfan 8:64184a968e3b 84
gsfan 8:64184a968e3b 85 if ((_con[cid].protocol == PROTO_TCP) ||
gsfan 8:64184a968e3b 86 (_con[cid].protocol == PROTO_UDP && _con[cid].type == TYPE_CLIENT) ||
gsfan 8:64184a968e3b 87 (_con[cid].protocol == PROTO_HTTPD)) {
gsfan 8:64184a968e3b 88 if (len > CFG_DATA_SIZE) len = CFG_DATA_SIZE;
gsfan 8:64184a968e3b 89 sprintf(cmd, "\x1bZ%X%04d", cid, len);
gsfan 8:64184a968e3b 90 return sendData(buf, len, DEFAULT_WAIT_RESP_TIMEOUT, cmd);
gsfan 8:64184a968e3b 91 } else {
gsfan 8:64184a968e3b 92 return -1;
gsfan 8:64184a968e3b 93 }
gsfan 8:64184a968e3b 94 }
gsfan 8:64184a968e3b 95
gsfan 8:64184a968e3b 96 int GSwifi::sendto (int cid, const char *buf, int len, const char *ip, int port) {
gsfan 8:64184a968e3b 97 char cmd[CFG_CMD_SIZE];
gsfan 8:64184a968e3b 98
gsfan 8:64184a968e3b 99 if (cid < 0 || cid >= 16) return -1;
gsfan 8:64184a968e3b 100 if (!_con[cid].connected) return -1;
gsfan 8:64184a968e3b 101
gsfan 8:64184a968e3b 102 if ((_con[cid].protocol == PROTO_UDP && _con[cid].type == TYPE_SERVER)) {
gsfan 8:64184a968e3b 103 if (len > CFG_DATA_SIZE) len = CFG_DATA_SIZE;
gsfan 8:64184a968e3b 104 sprintf(cmd, "\x1bY%X%s:%d:%04d", cid, ip, port, len);
gsfan 8:64184a968e3b 105 return sendData(buf, len, DEFAULT_WAIT_RESP_TIMEOUT, cmd);
gsfan 8:64184a968e3b 106 } else {
gsfan 8:64184a968e3b 107 return -1;
gsfan 8:64184a968e3b 108 }
gsfan 8:64184a968e3b 109 }
gsfan 8:64184a968e3b 110
gsfan 8:64184a968e3b 111 int GSwifi::recv (int cid, char *buf, int len) {
gsfan 8:64184a968e3b 112 int i;
gsfan 8:64184a968e3b 113
gsfan 8:64184a968e3b 114 if (cid < 0 || cid >= 16) return -1;
gsfan 8:64184a968e3b 115 if (!_con[cid].connected) return -1;
gsfan 8:64184a968e3b 116
gsfan 8:64184a968e3b 117 if (_con[cid].buf == NULL) return 0;
gsfan 8:64184a968e3b 118 while (!_con[cid].received && _state.mode != MODE_COMMAND);
gsfan 8:64184a968e3b 119 _con[cid].received = false;
gsfan 8:64184a968e3b 120 for (i = 0; i < len; i ++) {
gsfan 8:64184a968e3b 121 if (_con[cid].buf->dequeue(&buf[i]) == false) break;
gsfan 8:64184a968e3b 122 }
gsfan 8:64184a968e3b 123 setRts(true);
gsfan 8:64184a968e3b 124 return i;
gsfan 8:64184a968e3b 125 }
gsfan 8:64184a968e3b 126
gsfan 8:64184a968e3b 127 int GSwifi::recvfrom (int cid, char *buf, int len, char *ip, int *port) {
gsfan 8:64184a968e3b 128 int i;
gsfan 8:64184a968e3b 129
gsfan 8:64184a968e3b 130 if (cid < 0 || cid >= 16) return -1;
gsfan 8:64184a968e3b 131 if (!_con[cid].connected) return -1;
gsfan 8:64184a968e3b 132
gsfan 8:64184a968e3b 133 if (_con[cid].buf == NULL) return 0;
gsfan 8:64184a968e3b 134 while (!_con[cid].received && _state.mode != MODE_COMMAND);
gsfan 8:64184a968e3b 135 _con[cid].received = false;
gsfan 8:64184a968e3b 136 for (i = 0; i < len; i ++) {
gsfan 8:64184a968e3b 137 if (_con[cid].buf->dequeue(&buf[i]) == false) break;
gsfan 8:64184a968e3b 138 }
gsfan 8:64184a968e3b 139 strncpy(ip, _con[cid].ip, 16);
gsfan 8:64184a968e3b 140 *port = _con[cid].port;
gsfan 8:64184a968e3b 141 setRts(true);
gsfan 8:64184a968e3b 142 return i;
gsfan 8:64184a968e3b 143 }
gsfan 8:64184a968e3b 144
gsfan 8:64184a968e3b 145 int GSwifi::readable (int cid) {
gsfan 8:64184a968e3b 146 if (cid < 0 || cid >= 16) return -1;
gsfan 8:64184a968e3b 147 if (!_con[cid].connected) return -1;
gsfan 8:64184a968e3b 148 if (_con[cid].buf == NULL) return -1;
gsfan 8:64184a968e3b 149 return _con[cid].buf->available();
gsfan 8:64184a968e3b 150 }
gsfan 8:64184a968e3b 151
gsfan 8:64184a968e3b 152 bool GSwifi::isConnected (int cid) {
gsfan 8:64184a968e3b 153 if (cid < 0 || cid >= 16) return false;
gsfan 8:64184a968e3b 154 return _con[cid].connected;
gsfan 8:64184a968e3b 155 }
gsfan 8:64184a968e3b 156
gsfan 8:64184a968e3b 157 int GSwifi::accept (int cid) {
gsfan 8:64184a968e3b 158 int i;
gsfan 8:64184a968e3b 159 if (cid < 0 || cid >= 16) return -1;
gsfan 8:64184a968e3b 160 for (i = 0; i < 16; i ++) {
gsfan 8:64184a968e3b 161 if (_con[i].connected && _con[i].accept && _con[i].parent == cid) {
gsfan 8:64184a968e3b 162 _con[i].accept = false;
gsfan 8:64184a968e3b 163 return i;
gsfan 8:64184a968e3b 164 }
gsfan 8:64184a968e3b 165 }
gsfan 8:64184a968e3b 166 return -1;
gsfan 8:64184a968e3b 167 }
gsfan 8:64184a968e3b 168
gsfan 8:64184a968e3b 169 int GSwifi::getRemote(int cid, char **ip, int *port) {
gsfan 8:64184a968e3b 170 if (cid < 0 || cid >= 16) return -1;
gsfan 8:64184a968e3b 171 *ip = _con[cid].ip;
gsfan 8:64184a968e3b 172 *port = _con[cid].port;
gsfan 8:64184a968e3b 173 return 0;
gsfan 8:64184a968e3b 174 }