ACKme / WiConnect

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

NetworkScan.cpp@42:8ffb253b09e7, 2015-09-28 (annotated)

Committer:
aymangrais
Date:
Mon Sep 28 03:38:43 2015 +0000
Revision:
42:8ffb253b09e7
Parent:
29:b6af04b77a56 
increase ota timeout to be 5 seconds (instead of 1.5 sec)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dan_ackme 29:b6af04b77a56 1 /**
dan_ackme 29:b6af04b77a56 2 * ACKme WiConnect Host Library is licensed under the BSD licence:
dan_ackme 29:b6af04b77a56 3 *
dan_ackme 29:b6af04b77a56 4 * Copyright (c)2014 ACKme Networks.
dan_ackme 29:b6af04b77a56 5 * All rights reserved.
dan_ackme 29:b6af04b77a56 6 *
dan_ackme 29:b6af04b77a56 7 * Redistribution and use in source and binary forms, with or without modification,
dan_ackme 29:b6af04b77a56 8 * are permitted provided that the following conditions are met:
dan_ackme 29:b6af04b77a56 9 *
dan_ackme 29:b6af04b77a56 10 * 1. Redistributions of source code must retain the above copyright notice,
dan_ackme 29:b6af04b77a56 11 * this list of conditions and the following disclaimer.
dan_ackme 29:b6af04b77a56 12 * 2. Redistributions in binary form must reproduce the above copyright notice,
dan_ackme 29:b6af04b77a56 13 * this list of conditions and the following disclaimer in the documentation
dan_ackme 29:b6af04b77a56 14 * and/or other materials provided with the distribution.
dan_ackme 29:b6af04b77a56 15 * 3. The name of the author may not be used to endorse or promote products
dan_ackme 29:b6af04b77a56 16 * derived from this software without specific prior written permission.
dan_ackme 29:b6af04b77a56 17 *
dan_ackme 29:b6af04b77a56 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED
dan_ackme 29:b6af04b77a56 19 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
dan_ackme 29:b6af04b77a56 20 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
dan_ackme 29:b6af04b77a56 21 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
dan_ackme 29:b6af04b77a56 22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
dan_ackme 29:b6af04b77a56 23 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
dan_ackme 29:b6af04b77a56 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
dan_ackme 29:b6af04b77a56 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
dan_ackme 29:b6af04b77a56 26 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
dan_ackme 29:b6af04b77a56 27 * OF SUCH DAMAGE.
dan_ackme 29:b6af04b77a56 28 */
dan_ackme 29:b6af04b77a56 29 #include "Wiconnect.h"
dan_ackme 29:b6af04b77a56 30 #include "internal/common.h"
dan_ackme 29:b6af04b77a56 31
dan_ackme 29:b6af04b77a56 32
dan_ackme 29:b6af04b77a56 33 #define SCAN_TIMEOUT 15000
dan_ackme 29:b6af04b77a56 34
dan_ackme 29:b6af04b77a56 35
dan_ackme 29:b6af04b77a56 36
dan_ackme 29:b6af04b77a56 37
dan_ackme 29:b6af04b77a56 38 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 39 WiconnectResult NetworkInterface::scan(ScanResultList &resultList, const uint8_t *channelList, const char* ssid)
dan_ackme 29:b6af04b77a56 40 {
dan_ackme 29:b6af04b77a56 41 WiconnectResult result;
dan_ackme 29:b6af04b77a56 42 char *cmdBuffer = wiconnect->internalBuffer;
dan_ackme 29:b6af04b77a56 43
dan_ackme 29:b6af04b77a56 44
dan_ackme 29:b6af04b77a56 45 if(WICONNECT_IS_IDLE())
dan_ackme 29:b6af04b77a56 46 {
dan_ackme 29:b6af04b77a56 47 #define SCAN_CMD "scan -v "
dan_ackme 29:b6af04b77a56 48 char *cmdBufferPtr = cmdBuffer + sizeof(SCAN_CMD)-1;
dan_ackme 29:b6af04b77a56 49
dan_ackme 29:b6af04b77a56 50 strcpy(cmdBuffer, SCAN_CMD);
dan_ackme 29:b6af04b77a56 51
dan_ackme 29:b6af04b77a56 52 if(channelList != NULL)
dan_ackme 29:b6af04b77a56 53 {
dan_ackme 29:b6af04b77a56 54 for(const uint8_t *ch = (const uint8_t *)channelList; *ch != 0; ++ch)
dan_ackme 29:b6af04b77a56 55 {
dan_ackme 29:b6af04b77a56 56 cmdBufferPtr += sprintf(cmdBufferPtr, "%d,", *ch);
dan_ackme 29:b6af04b77a56 57 }
dan_ackme 29:b6af04b77a56 58 *(cmdBufferPtr-1) = ' ';
dan_ackme 29:b6af04b77a56 59 }
dan_ackme 29:b6af04b77a56 60 else
dan_ackme 29:b6af04b77a56 61 {
dan_ackme 29:b6af04b77a56 62 strcat(cmdBufferPtr, "all ");
dan_ackme 29:b6af04b77a56 63 cmdBufferPtr += 4;
dan_ackme 29:b6af04b77a56 64 }
dan_ackme 29:b6af04b77a56 65
dan_ackme 29:b6af04b77a56 66 if(ssid != NULL)
dan_ackme 29:b6af04b77a56 67 {
dan_ackme 29:b6af04b77a56 68 strcpy(cmdBufferPtr, ssid);
dan_ackme 29:b6af04b77a56 69 }
dan_ackme 29:b6af04b77a56 70
dan_ackme 29:b6af04b77a56 71 resultList.reset();
dan_ackme 29:b6af04b77a56 72 }
dan_ackme 29:b6af04b77a56 73
dan_ackme 29:b6af04b77a56 74 CHECK_OTHER_COMMAND_EXECUTING();
dan_ackme 29:b6af04b77a56 75
dan_ackme 29:b6af04b77a56 76 //if(!completeHandler_.isValid())
dan_ackme 29:b6af04b77a56 77 {
dan_ackme 29:b6af04b77a56 78 if(WICONNECT_SUCCEEDED(result, wiconnect->sendCommand(SCAN_TIMEOUT, cmdBuffer)))
dan_ackme 29:b6af04b77a56 79 {
dan_ackme 29:b6af04b77a56 80 result = processScanResults(wiconnect->internalBuffer, resultList);
dan_ackme 29:b6af04b77a56 81 }
dan_ackme 29:b6af04b77a56 82 }
dan_ackme 29:b6af04b77a56 83 //#ifdef WICONNECT_ASYNC_TIMER_ENABLED
dan_ackme 29:b6af04b77a56 84 // else
dan_ackme 29:b6af04b77a56 85 // {
dan_ackme 29:b6af04b77a56 86 // QueuedCommand *cmd = new QueuedCommand(NULL, 4096, SCAN_TIMEOUT, cmdBuffer);
dan_ackme 29:b6af04b77a56 87 // cmd->userData = (void*)resultList;
dan_ackme 29:b6af04b77a56 88 // completeHandler = completeHandler_;
dan_ackme 29:b6af04b77a56 89 // if(WICONNECT_FAILED(result, wiconnect->enqueueCommand(cmd, Callback(this, &NetworkInterface::scanCompleteCallback))))
dan_ackme 29:b6af04b77a56 90 // {
dan_ackme 29:b6af04b77a56 91 // delete cmd;
dan_ackme 29:b6af04b77a56 92 // }
dan_ackme 29:b6af04b77a56 93 // else
dan_ackme 29:b6af04b77a56 94 // {
dan_ackme 29:b6af04b77a56 95 // result = WICONNECT_PROCESSING;
dan_ackme 29:b6af04b77a56 96 // }
dan_ackme 29:b6af04b77a56 97 // }
dan_ackme 29:b6af04b77a56 98 //#endif
dan_ackme 29:b6af04b77a56 99
dan_ackme 29:b6af04b77a56 100 CHECK_CLEANUP_COMMAND();
dan_ackme 29:b6af04b77a56 101
dan_ackme 29:b6af04b77a56 102 return result;
dan_ackme 29:b6af04b77a56 103 }
dan_ackme 29:b6af04b77a56 104
dan_ackme 29:b6af04b77a56 105
dan_ackme 29:b6af04b77a56 106
dan_ackme 29:b6af04b77a56 107
dan_ackme 29:b6af04b77a56 108
dan_ackme 29:b6af04b77a56 109 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 110 WiconnectResult NetworkInterface::processScanResults(char *resultStr, ScanResultList &resultList)
dan_ackme 29:b6af04b77a56 111 {
dan_ackme 29:b6af04b77a56 112 WiconnectResult result = WICONNECT_SUCCESS;
dan_ackme 29:b6af04b77a56 113 char *line, *savedLine;
dan_ackme 29:b6af04b77a56 114
dan_ackme 29:b6af04b77a56 115 for(savedLine = resultStr; (line = StringUtil::strtok_r(savedLine, "\r\n", &savedLine)) != NULL;)
dan_ackme 29:b6af04b77a56 116 {
dan_ackme 29:b6af04b77a56 117 char *toks[9], *savedTok;
dan_ackme 29:b6af04b77a56 118
dan_ackme 29:b6af04b77a56 119 if(*line != '#')
dan_ackme 29:b6af04b77a56 120 {
dan_ackme 29:b6af04b77a56 121 continue;
dan_ackme 29:b6af04b77a56 122 }
dan_ackme 29:b6af04b77a56 123 savedTok = line + 2;
dan_ackme 29:b6af04b77a56 124
dan_ackme 29:b6af04b77a56 125 for(int i = 0; i < 8 && (toks[i] = StringUtil::strtok_r(savedTok, " ", &savedTok)) != NULL; ++i)
dan_ackme 29:b6af04b77a56 126 {
dan_ackme 29:b6af04b77a56 127 if(toks[i] == NULL)
dan_ackme 29:b6af04b77a56 128 {
dan_ackme 29:b6af04b77a56 129 result = WICONNECT_RESPONSE_PARSE_ERROR;
dan_ackme 29:b6af04b77a56 130 goto exit;
dan_ackme 29:b6af04b77a56 131 }
dan_ackme 29:b6af04b77a56 132 }
dan_ackme 29:b6af04b77a56 133
dan_ackme 29:b6af04b77a56 134 if(WICONNECT_FAILED(result, resultList.add(toks[1], toks[2], toks[3], toks[4], toks[5], savedTok)))
dan_ackme 29:b6af04b77a56 135 {
dan_ackme 29:b6af04b77a56 136 goto exit;
dan_ackme 29:b6af04b77a56 137 }
dan_ackme 29:b6af04b77a56 138 }
dan_ackme 29:b6af04b77a56 139
dan_ackme 29:b6af04b77a56 140 exit:
dan_ackme 29:b6af04b77a56 141 return result;
dan_ackme 29:b6af04b77a56 142 }
dan_ackme 29:b6af04b77a56 143
dan_ackme 29:b6af04b77a56 144 //#ifdef WICONNECT_ASYNC_TIMER_ENABLED
dan_ackme 29:b6af04b77a56 145 //
dan_ackme 29:b6af04b77a56 146 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 147 //void NetworkInterface::scanCompleteCallback(WiconnectResult result, void *arg1, void *arg2)
dan_ackme 29:b6af04b77a56 148 //{
dan_ackme 29:b6af04b77a56 149 // QueuedCommand *cmd = (QueuedCommand*)arg1;
dan_ackme 29:b6af04b77a56 150 // ScanResultList *listPtr = (ScanResultList*)cmd->userData;
dan_ackme 29:b6af04b77a56 151 //
dan_ackme 29:b6af04b77a56 152 // if(result == WICONNECT_SUCCESS)
dan_ackme 29:b6af04b77a56 153 // {
dan_ackme 29:b6af04b77a56 154 // result = processScanResults(cmd->responseBuffer, listPtr);
dan_ackme 29:b6af04b77a56 155 // }
dan_ackme 29:b6af04b77a56 156 // delete cmd;
dan_ackme 29:b6af04b77a56 157 //
dan_ackme 29:b6af04b77a56 158 // completeHandler.call(result, listPtr, NULL);
dan_ackme 29:b6af04b77a56 159 //}
dan_ackme 29:b6af04b77a56 160 //
dan_ackme 29:b6af04b77a56 161 //#endif