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@22:d25a5a0d2497, 2019-09-24 (annotated)

Committer:
gsfan
Date:
Tue Sep 24 06:24:37 2019 +0000
Revision:
22:d25a5a0d2497
Parent:
16:105b56570533 
UART Command and SPI Data supported.; bug fix.;

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 12:057089026a20 25 if (!isAssociated() || _state.status != STAT_READY) return -1;
gsfan 11:71d67fea5ace 26
gsfan 8:64184a968e3b 27 for (i = 0; i < strlen(host); i ++) {
gsfan 8:64184a968e3b 28 if ((host[i] < '0' || host[i] > '9') && host[i] != '.') {
gsfan 8:64184a968e3b 29 flg = 1;
gsfan 8:64184a968e3b 30 break;
gsfan 8:64184a968e3b 31 }
gsfan 8:64184a968e3b 32 }
gsfan 8:64184a968e3b 33 if (!flg) {
gsfan 8:64184a968e3b 34 strncpy(ip, host, 16);
gsfan 8:64184a968e3b 35 return 0;
gsfan 8:64184a968e3b 36 }
gsfan 8:64184a968e3b 37
gsfan 8:64184a968e3b 38 if (cmdDNSLOOKUP(host)) {
gsfan 8:64184a968e3b 39 // retry
gsfan 8:64184a968e3b 40 wait_ms(1000);
gsfan 8:64184a968e3b 41 if (cmdDNSLOOKUP(host)) return -1;
gsfan 8:64184a968e3b 42 }
gsfan 8:64184a968e3b 43 strncpy(ip, _state.resolv, 16);
gsfan 8:64184a968e3b 44 return 0;
gsfan 8:64184a968e3b 45 }
gsfan 8:64184a968e3b 46
gsfan 12:057089026a20 47 int GSwifi::open (Protocol proto, const char *ip, int port, int src, void(*func)(int)) {
gsfan 11:71d67fea5ace 48 int cid;
gsfan 11:71d67fea5ace 49
gsfan 12:057089026a20 50 if (!isAssociated() || _state.status != STAT_READY) return -1;
gsfan 11:71d67fea5ace 51
gsfan 8:64184a968e3b 52 _state.cid = -1;
gsfan 8:64184a968e3b 53 if (proto == PROTO_TCP) {
gsfan 8:64184a968e3b 54 if (cmdNCTCP(ip, port)) return -1;
gsfan 8:64184a968e3b 55 } else {
gsfan 8:64184a968e3b 56 if (cmdNCUDP(ip, port, src)) return -1;
gsfan 8:64184a968e3b 57 }
gsfan 8:64184a968e3b 58 if (_state.cid < 0) return -1;
gsfan 11:71d67fea5ace 59 cid = _state.cid;
gsfan 11:71d67fea5ace 60 _con[cid].protocol = proto;
gsfan 11:71d67fea5ace 61 _con[cid].type = TYPE_CLIENT;
gsfan 12:057089026a20 62 _con[cid].func = func;
gsfan 11:71d67fea5ace 63 return cid;
gsfan 8:64184a968e3b 64 }
gsfan 8:64184a968e3b 65
gsfan 12:057089026a20 66 int GSwifi::listen (Protocol proto, int port, void(*func)(int)) {
gsfan 11:71d67fea5ace 67 int cid;
gsfan 11:71d67fea5ace 68
gsfan 12:057089026a20 69 if (!isAssociated() || _state.status != STAT_READY) return -1;
gsfan 11:71d67fea5ace 70
gsfan 8:64184a968e3b 71 _state.cid = -1;
gsfan 8:64184a968e3b 72 if (proto == PROTO_TCP) {
gsfan 8:64184a968e3b 73 if (cmdNSTCP(port)) return -1;
gsfan 8:64184a968e3b 74 } else {
gsfan 8:64184a968e3b 75 if (cmdNSUDP(port)) return -1;
gsfan 8:64184a968e3b 76 }
gsfan 8:64184a968e3b 77 if (_state.cid < 0) return -1;
gsfan 11:71d67fea5ace 78 cid = _state.cid;
gsfan 11:71d67fea5ace 79 _con[cid].protocol = proto;
gsfan 11:71d67fea5ace 80 _con[cid].type = TYPE_SERVER;
gsfan 12:057089026a20 81 _con[cid].func = func;
gsfan 11:71d67fea5ace 82 return cid;
gsfan 8:64184a968e3b 83 }
gsfan 8:64184a968e3b 84
gsfan 8:64184a968e3b 85 int GSwifi::close (int cid) {
gsfan 11:71d67fea5ace 86
gsfan 11:71d67fea5ace 87 if (!isConnected(cid)) return -1;
gsfan 11:71d67fea5ace 88
gsfan 8:64184a968e3b 89 _con[cid].connected = false;
gsfan 8:64184a968e3b 90 return cmdNCLOSE(cid);
gsfan 8:64184a968e3b 91 }
gsfan 8:64184a968e3b 92
gsfan 8:64184a968e3b 93 int GSwifi::send (int cid, const char *buf, int len) {
gsfan 8:64184a968e3b 94 char cmd[CFG_CMD_SIZE];
gsfan 8:64184a968e3b 95
gsfan 11:71d67fea5ace 96 if (!isConnected(cid)) return -1;
gsfan 8:64184a968e3b 97
gsfan 8:64184a968e3b 98 if ((_con[cid].protocol == PROTO_TCP) ||
gsfan 8:64184a968e3b 99 (_con[cid].protocol == PROTO_UDP && _con[cid].type == TYPE_CLIENT) ||
gsfan 8:64184a968e3b 100 (_con[cid].protocol == PROTO_HTTPD)) {
gsfan 8:64184a968e3b 101 if (len > CFG_DATA_SIZE) len = CFG_DATA_SIZE;
gsfan 8:64184a968e3b 102 sprintf(cmd, "\x1bZ%X%04d", cid, len);
gsfan 11:71d67fea5ace 103 return sendData(buf, len, CFG_TIMEOUT, cmd);
gsfan 8:64184a968e3b 104 } else {
gsfan 8:64184a968e3b 105 return -1;
gsfan 8:64184a968e3b 106 }
gsfan 8:64184a968e3b 107 }
gsfan 8:64184a968e3b 108
gsfan 8:64184a968e3b 109 int GSwifi::sendto (int cid, const char *buf, int len, const char *ip, int port) {
gsfan 8:64184a968e3b 110 char cmd[CFG_CMD_SIZE];
gsfan 8:64184a968e3b 111
gsfan 11:71d67fea5ace 112 if (!isConnected(cid)) return -1;
gsfan 8:64184a968e3b 113
gsfan 8:64184a968e3b 114 if ((_con[cid].protocol == PROTO_UDP && _con[cid].type == TYPE_SERVER)) {
gsfan 8:64184a968e3b 115 if (len > CFG_DATA_SIZE) len = CFG_DATA_SIZE;
gsfan 8:64184a968e3b 116 sprintf(cmd, "\x1bY%X%s:%d:%04d", cid, ip, port, len);
gsfan 11:71d67fea5ace 117 return sendData(buf, len, CFG_TIMEOUT, cmd);
gsfan 8:64184a968e3b 118 } else {
gsfan 8:64184a968e3b 119 return -1;
gsfan 8:64184a968e3b 120 }
gsfan 8:64184a968e3b 121 }
gsfan 8:64184a968e3b 122
gsfan 8:64184a968e3b 123 int GSwifi::recv (int cid, char *buf, int len) {
gsfan 8:64184a968e3b 124 int i;
gsfan 8:64184a968e3b 125
gsfan 11:71d67fea5ace 126 if (!isConnected(cid)) return -1;
gsfan 8:64184a968e3b 127
gsfan 8:64184a968e3b 128 if (_con[cid].buf == NULL) return 0;
gsfan 8:64184a968e3b 129 while (!_con[cid].received && _state.mode != MODE_COMMAND);
gsfan 8:64184a968e3b 130 _con[cid].received = false;
gsfan 8:64184a968e3b 131 for (i = 0; i < len; i ++) {
gsfan 8:64184a968e3b 132 if (_con[cid].buf->dequeue(&buf[i]) == false) break;
gsfan 8:64184a968e3b 133 }
gsfan 8:64184a968e3b 134 setRts(true);
gsfan 8:64184a968e3b 135 return i;
gsfan 8:64184a968e3b 136 }
gsfan 8:64184a968e3b 137
gsfan 8:64184a968e3b 138 int GSwifi::recvfrom (int cid, char *buf, int len, char *ip, int *port) {
gsfan 8:64184a968e3b 139 int i;
gsfan 8:64184a968e3b 140
gsfan 11:71d67fea5ace 141 if (!isConnected(cid)) return -1;
gsfan 8:64184a968e3b 142
gsfan 8:64184a968e3b 143 if (_con[cid].buf == NULL) return 0;
gsfan 8:64184a968e3b 144 while (!_con[cid].received && _state.mode != MODE_COMMAND);
gsfan 8:64184a968e3b 145 _con[cid].received = false;
gsfan 8:64184a968e3b 146 for (i = 0; i < len; i ++) {
gsfan 8:64184a968e3b 147 if (_con[cid].buf->dequeue(&buf[i]) == false) break;
gsfan 8:64184a968e3b 148 }
gsfan 8:64184a968e3b 149 strncpy(ip, _con[cid].ip, 16);
gsfan 8:64184a968e3b 150 *port = _con[cid].port;
gsfan 8:64184a968e3b 151 setRts(true);
gsfan 8:64184a968e3b 152 return i;
gsfan 8:64184a968e3b 153 }
gsfan 8:64184a968e3b 154
gsfan 8:64184a968e3b 155 int GSwifi::readable (int cid) {
gsfan 11:71d67fea5ace 156 if (!isConnected(cid)) return -1;
gsfan 11:71d67fea5ace 157
gsfan 8:64184a968e3b 158 if (_con[cid].buf == NULL) return -1;
gsfan 8:64184a968e3b 159 return _con[cid].buf->available();
gsfan 8:64184a968e3b 160 }
gsfan 8:64184a968e3b 161
gsfan 8:64184a968e3b 162 bool GSwifi::isConnected (int cid) {
gsfan 8:64184a968e3b 163 if (cid < 0 || cid >= 16) return false;
gsfan 11:71d67fea5ace 164
gsfan 8:64184a968e3b 165 return _con[cid].connected;
gsfan 8:64184a968e3b 166 }
gsfan 8:64184a968e3b 167
gsfan 8:64184a968e3b 168 int GSwifi::accept (int cid) {
gsfan 8:64184a968e3b 169 int i;
gsfan 11:71d67fea5ace 170
gsfan 11:71d67fea5ace 171 if (!isConnected(cid)) return -1;
gsfan 11:71d67fea5ace 172
gsfan 8:64184a968e3b 173 for (i = 0; i < 16; i ++) {
gsfan 8:64184a968e3b 174 if (_con[i].connected && _con[i].accept && _con[i].parent == cid) {
gsfan 8:64184a968e3b 175 _con[i].accept = false;
gsfan 8:64184a968e3b 176 return i;
gsfan 8:64184a968e3b 177 }
gsfan 8:64184a968e3b 178 }
gsfan 8:64184a968e3b 179 return -1;
gsfan 8:64184a968e3b 180 }
gsfan 8:64184a968e3b 181
gsfan 8:64184a968e3b 182 int GSwifi::getRemote(int cid, char **ip, int *port) {
gsfan 11:71d67fea5ace 183
gsfan 11:71d67fea5ace 184 if (!isConnected(cid)) return -1;
gsfan 11:71d67fea5ace 185
gsfan 8:64184a968e3b 186 *ip = _con[cid].ip;
gsfan 8:64184a968e3b 187 *port = _con[cid].port;
gsfan 8:64184a968e3b 188 return 0;
gsfan 8:64184a968e3b 189 }
gsfan 12:057089026a20 190
gsfan 12:057089026a20 191 void GSwifi::initCon (int cid, bool connected) {
gsfan 12:057089026a20 192 _con[cid].parent = -1;
gsfan 12:057089026a20 193 _con[cid].func = NULL;
gsfan 12:057089026a20 194 _con[cid].accept = false;
gsfan 16:105b56570533 195 #ifndef CFG_ENABLE_RTOS
gsfan 12:057089026a20 196 if (_con[cid].buf == NULL) {
gsfan 12:057089026a20 197 _con[cid].buf = new CircBuffer<char>(CFG_DATA_SIZE);
gsfan 12:057089026a20 198 if (_con[cid].buf == NULL) error("Can't allocate memory");
gsfan 12:057089026a20 199 }
gsfan 16:105b56570533 200 #endif
gsfan 16:105b56570533 201 if (_con[cid].buf != NULL) {
gsfan 16:105b56570533 202 _con[cid].buf->flush();
gsfan 16:105b56570533 203 }
gsfan 12:057089026a20 204 _con[cid].connected = connected;
gsfan 12:057089026a20 205 }