Host library for controlling a WiConnect enabled Wi-Fi module.
Dependents: wiconnect-ota_example wiconnect-web_setup_example wiconnect-test-console wiconnect-tcp_server_example ... more
Diff: NetworkScan.cpp
- Revision:
- 29:b6af04b77a56
diff -r 3c52f578708a -r b6af04b77a56 NetworkScan.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NetworkScan.cpp Mon Oct 27 13:42:26 2014 -0700 @@ -0,0 +1,161 @@ +/** + * ACKme WiConnect Host Library is licensed under the BSD licence: + * + * Copyright (c)2014 ACKme Networks. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT + * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT + * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ +#include "Wiconnect.h" +#include "internal/common.h" + + +#define SCAN_TIMEOUT 15000 + + + + +/*************************************************************************************************/ +WiconnectResult NetworkInterface::scan(ScanResultList &resultList, const uint8_t *channelList, const char* ssid) +{ + WiconnectResult result; + char *cmdBuffer = wiconnect->internalBuffer; + + + if(WICONNECT_IS_IDLE()) + { +#define SCAN_CMD "scan -v " + char *cmdBufferPtr = cmdBuffer + sizeof(SCAN_CMD)-1; + + strcpy(cmdBuffer, SCAN_CMD); + + if(channelList != NULL) + { + for(const uint8_t *ch = (const uint8_t *)channelList; *ch != 0; ++ch) + { + cmdBufferPtr += sprintf(cmdBufferPtr, "%d,", *ch); + } + *(cmdBufferPtr-1) = ' '; + } + else + { + strcat(cmdBufferPtr, "all "); + cmdBufferPtr += 4; + } + + if(ssid != NULL) + { + strcpy(cmdBufferPtr, ssid); + } + + resultList.reset(); + } + + CHECK_OTHER_COMMAND_EXECUTING(); + + //if(!completeHandler_.isValid()) + { + if(WICONNECT_SUCCEEDED(result, wiconnect->sendCommand(SCAN_TIMEOUT, cmdBuffer))) + { + result = processScanResults(wiconnect->internalBuffer, resultList); + } + } +//#ifdef WICONNECT_ASYNC_TIMER_ENABLED +// else +// { +// QueuedCommand *cmd = new QueuedCommand(NULL, 4096, SCAN_TIMEOUT, cmdBuffer); +// cmd->userData = (void*)resultList; +// completeHandler = completeHandler_; +// if(WICONNECT_FAILED(result, wiconnect->enqueueCommand(cmd, Callback(this, &NetworkInterface::scanCompleteCallback)))) +// { +// delete cmd; +// } +// else +// { +// result = WICONNECT_PROCESSING; +// } +// } +//#endif + + CHECK_CLEANUP_COMMAND(); + + return result; +} + + + + + +/*************************************************************************************************/ +WiconnectResult NetworkInterface::processScanResults(char *resultStr, ScanResultList &resultList) +{ + WiconnectResult result = WICONNECT_SUCCESS; + char *line, *savedLine; + + for(savedLine = resultStr; (line = StringUtil::strtok_r(savedLine, "\r\n", &savedLine)) != NULL;) + { + char *toks[9], *savedTok; + + if(*line != '#') + { + continue; + } + savedTok = line + 2; + + for(int i = 0; i < 8 && (toks[i] = StringUtil::strtok_r(savedTok, " ", &savedTok)) != NULL; ++i) + { + if(toks[i] == NULL) + { + result = WICONNECT_RESPONSE_PARSE_ERROR; + goto exit; + } + } + + if(WICONNECT_FAILED(result, resultList.add(toks[1], toks[2], toks[3], toks[4], toks[5], savedTok))) + { + goto exit; + } + } + + exit: + return result; +} + +//#ifdef WICONNECT_ASYNC_TIMER_ENABLED +// +/*************************************************************************************************/ +//void NetworkInterface::scanCompleteCallback(WiconnectResult result, void *arg1, void *arg2) +//{ +// QueuedCommand *cmd = (QueuedCommand*)arg1; +// ScanResultList *listPtr = (ScanResultList*)cmd->userData; +// +// if(result == WICONNECT_SUCCESS) +// { +// result = processScanResults(cmd->responseBuffer, listPtr); +// } +// delete cmd; +// +// completeHandler.call(result, listPtr, NULL); +//} +// +//#endif