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
GainSpan Wi-Fi library
The GS1011/GS2100 is an ultra low power 802.11b wireless module from GainSpan.
mbed RTOS supported.
- about this library: http://mbed.org/users/gsfan/notebook/GSwifiInterface/
- about Wi-Fi module: http://mbed.org/users/gsfan/notebook/gainspan_wifi/
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)
- このライブラリについて: http://mbed.org/users/gsfan/notebook/gainspan_wifi/
- Wi-FIモジュールについて: http://mbed.org/users/gsfan/notebook/gainspan_wifi/
- UARTコマンド、SPIデータインターフェースに対応しました。(2019/09)
Diff: GSwifi/GSwifi_sock.cpp
- Revision:
- 11:71d67fea5ace
- Parent:
- 8:64184a968e3b
- Child:
- 12:057089026a20
diff -r 7d8134e7df01 -r 71d67fea5ace GSwifi/GSwifi_sock.cpp --- a/GSwifi/GSwifi_sock.cpp Thu Oct 31 08:34:45 2013 +0000 +++ b/GSwifi/GSwifi_sock.cpp Fri Nov 15 04:20:14 2013 +0000 @@ -22,6 +22,8 @@ { int i, flg = 0; + if (!isConnected() && _state.status == STAT_READY) return -1; + for (i = 0; i < strlen(host); i ++) { if ((host[i] < '0' || host[i] > '9') && host[i] != '.') { flg = 1; @@ -43,35 +45,45 @@ } int GSwifi::open (Protocol proto, const char *ip, int port, int src) { + int cid; + + if (!isConnected() && _state.status == STAT_READY) return -1; + _state.cid = -1; - _state.acid = -1; if (proto == PROTO_TCP) { if (cmdNCTCP(ip, port)) return -1; } else { if (cmdNCUDP(ip, port, src)) return -1; } if (_state.cid < 0) return -1; - _con[_state.cid].protocol = proto; - _con[_state.cid].type = TYPE_CLIENT; - return _state.cid; + cid = _state.cid; + _con[cid].protocol = proto; + _con[cid].type = TYPE_CLIENT; + return cid; } int GSwifi::listen (Protocol proto, int port) { + int cid; + + if (!isConnected() && _state.status == STAT_READY) return -1; + _state.cid = -1; - _state.acid = -1; if (proto == PROTO_TCP) { if (cmdNSTCP(port)) return -1; } else { if (cmdNSUDP(port)) return -1; } if (_state.cid < 0) return -1; - _con[_state.cid].protocol = proto; - _con[_state.cid].type = TYPE_SERVER; - return _state.cid; + cid = _state.cid; + _con[cid].protocol = proto; + _con[cid].type = TYPE_SERVER; + return cid; } int GSwifi::close (int cid) { - if (cid < 0 || cid >= 16) return -1; + + if (!isConnected(cid)) return -1; + _con[cid].connected = false; return cmdNCLOSE(cid); } @@ -79,15 +91,14 @@ int GSwifi::send (int cid, const char *buf, int len) { char cmd[CFG_CMD_SIZE]; - if (cid < 0 || cid >= 16) return -1; - if (!_con[cid].connected) return -1; + if (!isConnected(cid)) return -1; if ((_con[cid].protocol == PROTO_TCP) || (_con[cid].protocol == PROTO_UDP && _con[cid].type == TYPE_CLIENT) || (_con[cid].protocol == PROTO_HTTPD)) { if (len > CFG_DATA_SIZE) len = CFG_DATA_SIZE; sprintf(cmd, "\x1bZ%X%04d", cid, len); - return sendData(buf, len, DEFAULT_WAIT_RESP_TIMEOUT, cmd); + return sendData(buf, len, CFG_TIMEOUT, cmd); } else { return -1; } @@ -96,13 +107,12 @@ int GSwifi::sendto (int cid, const char *buf, int len, const char *ip, int port) { char cmd[CFG_CMD_SIZE]; - if (cid < 0 || cid >= 16) return -1; - if (!_con[cid].connected) return -1; + if (!isConnected(cid)) return -1; if ((_con[cid].protocol == PROTO_UDP && _con[cid].type == TYPE_SERVER)) { if (len > CFG_DATA_SIZE) len = CFG_DATA_SIZE; sprintf(cmd, "\x1bY%X%s:%d:%04d", cid, ip, port, len); - return sendData(buf, len, DEFAULT_WAIT_RESP_TIMEOUT, cmd); + return sendData(buf, len, CFG_TIMEOUT, cmd); } else { return -1; } @@ -111,8 +121,7 @@ int GSwifi::recv (int cid, char *buf, int len) { int i; - if (cid < 0 || cid >= 16) return -1; - if (!_con[cid].connected) return -1; + if (!isConnected(cid)) return -1; if (_con[cid].buf == NULL) return 0; while (!_con[cid].received && _state.mode != MODE_COMMAND); @@ -127,8 +136,7 @@ int GSwifi::recvfrom (int cid, char *buf, int len, char *ip, int *port) { int i; - if (cid < 0 || cid >= 16) return -1; - if (!_con[cid].connected) return -1; + if (!isConnected(cid)) return -1; if (_con[cid].buf == NULL) return 0; while (!_con[cid].received && _state.mode != MODE_COMMAND); @@ -143,20 +151,23 @@ } int GSwifi::readable (int cid) { - if (cid < 0 || cid >= 16) return -1; - if (!_con[cid].connected) return -1; + if (!isConnected(cid)) return -1; + if (_con[cid].buf == NULL) return -1; return _con[cid].buf->available(); } bool GSwifi::isConnected (int cid) { if (cid < 0 || cid >= 16) return false; + return _con[cid].connected; } int GSwifi::accept (int cid) { int i; - if (cid < 0 || cid >= 16) return -1; + + if (!isConnected(cid)) return -1; + for (i = 0; i < 16; i ++) { if (_con[i].connected && _con[i].accept && _con[i].parent == cid) { _con[i].accept = false; @@ -167,7 +178,9 @@ } int GSwifi::getRemote(int cid, char **ip, int *port) { - if (cid < 0 || cid >= 16) return -1; + + if (!isConnected(cid)) return -1; + *ip = _con[cid].ip; *port = _con[cid].port; return 0;