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

ScanResult.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 "api/types/ScanResult.h"
dan_ackme 29:b6af04b77a56 31 #include "api/NetworkInterface.h"
dan_ackme 29:b6af04b77a56 32 #include "internal/common.h"
dan_ackme 29:b6af04b77a56 33
dan_ackme 29:b6af04b77a56 34
dan_ackme 29:b6af04b77a56 35 static inline bool floatToFixedPointInt(const char *str, uint32_t *res);
dan_ackme 29:b6af04b77a56 36
dan_ackme 29:b6af04b77a56 37
dan_ackme 29:b6af04b77a56 38
dan_ackme 29:b6af04b77a56 39 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 40 ScanResult::ScanResult()
dan_ackme 29:b6af04b77a56 41 {
dan_ackme 29:b6af04b77a56 42 next = NULL;
dan_ackme 29:b6af04b77a56 43 previous = NULL;
dan_ackme 29:b6af04b77a56 44 channel = 0xff;
dan_ackme 29:b6af04b77a56 45 rssi = -9999;
dan_ackme 29:b6af04b77a56 46 rate = 0;
dan_ackme 29:b6af04b77a56 47 security = NETWORK_SECURITY_UNKNOWN;
dan_ackme 29:b6af04b77a56 48 memset(&mac, 0, (uint32_t)sizeof(mac));
dan_ackme 29:b6af04b77a56 49 memset(&ssid, 0, (uint32_t)sizeof(ssid));
dan_ackme 29:b6af04b77a56 50 }
dan_ackme 29:b6af04b77a56 51
dan_ackme 29:b6af04b77a56 52 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 53 WiconnectResult ScanResult::init(const char *channelStr, const char *rssiStr, const char* macStr, const char *rateStr, const char *secStr, const char *ssidStr)
dan_ackme 29:b6af04b77a56 54 {
dan_ackme 29:b6af04b77a56 55 intmax_t r;
dan_ackme 29:b6af04b77a56 56 if(!StringUtil::parseInt(channelStr, &r, 0, 15))
dan_ackme 29:b6af04b77a56 57 {
dan_ackme 29:b6af04b77a56 58 return WICONNECT_RESPONSE_PARSE_ERROR;
dan_ackme 29:b6af04b77a56 59 }
dan_ackme 29:b6af04b77a56 60 channel = (int)r;
dan_ackme 29:b6af04b77a56 61 if(!StringUtil::parseInt(rssiStr, &r, -200, 100))
dan_ackme 29:b6af04b77a56 62 {
dan_ackme 29:b6af04b77a56 63 return WICONNECT_RESPONSE_PARSE_ERROR;
dan_ackme 29:b6af04b77a56 64 }
dan_ackme 29:b6af04b77a56 65 rssi = (int)r;
dan_ackme 29:b6af04b77a56 66
dan_ackme 29:b6af04b77a56 67 if(!Wiconnect::strToMacAddress(macStr, &mac))
dan_ackme 29:b6af04b77a56 68 {
dan_ackme 29:b6af04b77a56 69 return WICONNECT_RESPONSE_PARSE_ERROR;
dan_ackme 29:b6af04b77a56 70 }
dan_ackme 29:b6af04b77a56 71
dan_ackme 29:b6af04b77a56 72 if(!floatToFixedPointInt(rateStr, &rate))
dan_ackme 29:b6af04b77a56 73 {
dan_ackme 29:b6af04b77a56 74 return WICONNECT_RESPONSE_PARSE_ERROR;
dan_ackme 29:b6af04b77a56 75 }
dan_ackme 29:b6af04b77a56 76 security = Wiconnect::strToNetworkSecurity(secStr);
dan_ackme 29:b6af04b77a56 77
dan_ackme 29:b6af04b77a56 78 if(!Wiconnect::strToSsid(ssidStr, &ssid))
dan_ackme 29:b6af04b77a56 79 {
dan_ackme 29:b6af04b77a56 80 return WICONNECT_RESPONSE_PARSE_ERROR;
dan_ackme 29:b6af04b77a56 81 }
dan_ackme 29:b6af04b77a56 82
dan_ackme 29:b6af04b77a56 83 return WICONNECT_SUCCESS;
dan_ackme 29:b6af04b77a56 84 }
dan_ackme 29:b6af04b77a56 85
dan_ackme 29:b6af04b77a56 86 #ifdef WICONNECT_ENABLE_MALLOC
dan_ackme 29:b6af04b77a56 87 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 88 void* ScanResult::operator new(size_t size)
dan_ackme 29:b6af04b77a56 89 {
dan_ackme 29:b6af04b77a56 90 Wiconnect *wiconnect = Wiconnect::getInstance();
dan_ackme 29:b6af04b77a56 91 wiconnect_assert(wiconnect, "ScanResult:new, malloc not defined", wiconnect->_malloc != NULL);
dan_ackme 29:b6af04b77a56 92 return Wiconnect::getInstance()->_malloc(size);
dan_ackme 29:b6af04b77a56 93 }
dan_ackme 29:b6af04b77a56 94
dan_ackme 29:b6af04b77a56 95 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 96 void ScanResult::operator delete(void* ptr)
dan_ackme 29:b6af04b77a56 97 {
dan_ackme 29:b6af04b77a56 98 Wiconnect *wiconnect = Wiconnect::getInstance();
dan_ackme 29:b6af04b77a56 99 wiconnect_assert(wiconnect, "ScanResult:delete, free not defined", wiconnect->_free != NULL);
dan_ackme 29:b6af04b77a56 100 Wiconnect::getInstance()->_free(ptr);
dan_ackme 29:b6af04b77a56 101 }
dan_ackme 29:b6af04b77a56 102 #endif
dan_ackme 29:b6af04b77a56 103
dan_ackme 29:b6af04b77a56 104 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 105 uint8_t ScanResult::getChannel() const
dan_ackme 29:b6af04b77a56 106 {
dan_ackme 29:b6af04b77a56 107 return channel;
dan_ackme 29:b6af04b77a56 108 }
dan_ackme 29:b6af04b77a56 109 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 110 NetworkSignalStrength ScanResult::getSignalStrength() const
dan_ackme 29:b6af04b77a56 111 {
dan_ackme 29:b6af04b77a56 112 return Wiconnect::rssiToSignalStrength(rssi);
dan_ackme 29:b6af04b77a56 113 }
dan_ackme 29:b6af04b77a56 114 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 115 const MacAddress* ScanResult::getMacAddress() const
dan_ackme 29:b6af04b77a56 116 {
dan_ackme 29:b6af04b77a56 117 return &mac;
dan_ackme 29:b6af04b77a56 118 }
dan_ackme 29:b6af04b77a56 119 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 120 uint32_t ScanResult::getRate() const
dan_ackme 29:b6af04b77a56 121 {
dan_ackme 29:b6af04b77a56 122 return rate;
dan_ackme 29:b6af04b77a56 123 }
dan_ackme 29:b6af04b77a56 124 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 125 const char* ScanResult::getRateStr(char *buffer) const
dan_ackme 29:b6af04b77a56 126 {
dan_ackme 29:b6af04b77a56 127 SET_STR_BUFFER(buffer, 16);
dan_ackme 29:b6af04b77a56 128 uint32_t i = rate / 10;
dan_ackme 29:b6af04b77a56 129 uint32_t f = rate % 10;
dan_ackme 29:b6af04b77a56 130 sprintf(ptr, "%u.%u", (unsigned int)i, (unsigned int)f);
dan_ackme 29:b6af04b77a56 131 return ptr;
dan_ackme 29:b6af04b77a56 132 }
dan_ackme 29:b6af04b77a56 133 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 134 NetworkSecurity ScanResult::getSecurityType() const
dan_ackme 29:b6af04b77a56 135 {
dan_ackme 29:b6af04b77a56 136 return security;
dan_ackme 29:b6af04b77a56 137 }
dan_ackme 29:b6af04b77a56 138 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 139 const Ssid* ScanResult::getSsid() const
dan_ackme 29:b6af04b77a56 140 {
dan_ackme 29:b6af04b77a56 141 return &ssid;
dan_ackme 29:b6af04b77a56 142 }
dan_ackme 29:b6af04b77a56 143
dan_ackme 29:b6af04b77a56 144 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 145 const ScanResult* ScanResult::getNext() const
dan_ackme 29:b6af04b77a56 146 {
dan_ackme 29:b6af04b77a56 147 return next;
dan_ackme 29:b6af04b77a56 148 }
dan_ackme 29:b6af04b77a56 149
dan_ackme 29:b6af04b77a56 150 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 151 const ScanResult* ScanResult::getPrevious() const
dan_ackme 29:b6af04b77a56 152 {
dan_ackme 29:b6af04b77a56 153 return previous;
dan_ackme 29:b6af04b77a56 154 }
dan_ackme 29:b6af04b77a56 155
dan_ackme 29:b6af04b77a56 156
dan_ackme 29:b6af04b77a56 157 /*************************************************************************************************/
dan_ackme 29:b6af04b77a56 158 static inline bool floatToFixedPointInt(const char *str, uint32_t *res)
dan_ackme 29:b6af04b77a56 159 {
dan_ackme 29:b6af04b77a56 160 intmax_t i;
dan_ackme 29:b6af04b77a56 161 intmax_t f = 0;
dan_ackme 29:b6af04b77a56 162 char buffer[32];
dan_ackme 29:b6af04b77a56 163
dan_ackme 29:b6af04b77a56 164 strcpy(buffer, str);
dan_ackme 29:b6af04b77a56 165
dan_ackme 29:b6af04b77a56 166 char* frac = strchr(buffer, '.');
dan_ackme 29:b6af04b77a56 167 if(frac != NULL)
dan_ackme 29:b6af04b77a56 168 {
dan_ackme 29:b6af04b77a56 169 *frac = 0;
dan_ackme 29:b6af04b77a56 170 ++frac;
dan_ackme 29:b6af04b77a56 171 }
dan_ackme 29:b6af04b77a56 172
dan_ackme 29:b6af04b77a56 173 if(!StringUtil::parseInt(buffer, &i, 0, 1000))
dan_ackme 29:b6af04b77a56 174 {
dan_ackme 29:b6af04b77a56 175 return false;
dan_ackme 29:b6af04b77a56 176 }
dan_ackme 29:b6af04b77a56 177 if(frac != NULL && !StringUtil::parseInt(frac, &f, 0, 9))
dan_ackme 29:b6af04b77a56 178 {
dan_ackme 29:b6af04b77a56 179 return false;
dan_ackme 29:b6af04b77a56 180 }
dan_ackme 29:b6af04b77a56 181
dan_ackme 29:b6af04b77a56 182 *res = (((uint32_t)i) * 10) + (uint32_t)f;
dan_ackme 29:b6af04b77a56 183
dan_ackme 29:b6af04b77a56 184 return true;
dan_ackme 29:b6af04b77a56 185 }
dan_ackme 29:b6af04b77a56 186