MultiTech / MTS-Cellular

Cellular library for MTS Socket Modem Arduino Shield devices from Multi-Tech Systems

Dependents:   mtsas mtsas mtsas mtsas

Cellular/EasyIP.cpp@49:1fc51c53cebf, 2014-08-04 (annotated)

Committer:
Vanger
Date:
Mon Aug 04 22:16:18 2014 +0000
Revision:
49:1fc51c53cebf
Parent:
41:8b9b5098696f
Child:
51:ffc556ba33f7
Simplified sendEscapeCommand() under EasyIP.cpp and changed comments under both EasyIP.h and EasyIP.cpp

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vanger 26:2b769ed8de4f 1 #include "mbed.h"
Vanger 26:2b769ed8de4f 2 #include "EasyIP.h"
Vanger 26:2b769ed8de4f 3 #include "MTSText.h"
Vanger 26:2b769ed8de4f 4 #include "MTSLog.h"
Vanger 26:2b769ed8de4f 5 #include "CellUtils.h"
Vanger 26:2b769ed8de4f 6
Vanger 26:2b769ed8de4f 7 using namespace mts;
Vanger 26:2b769ed8de4f 8
Vanger 30:1326b623919a 9
Vanger 30:1326b623919a 10
Vanger 26:2b769ed8de4f 11 EasyIP::EasyIP(Radio type)
Vanger 26:2b769ed8de4f 12 {
Vanger 26:2b769ed8de4f 13 this->type = type;
Vanger 26:2b769ed8de4f 14 io = NULL;
Vanger 26:2b769ed8de4f 15 dcd = NULL;
Vanger 26:2b769ed8de4f 16 dtr = NULL;
Vanger 26:2b769ed8de4f 17 resetLine = NULL;
Vanger 26:2b769ed8de4f 18 echoMode = true;
Vanger 26:2b769ed8de4f 19 pppConnected = false;
Vanger 26:2b769ed8de4f 20 socketMode = TCP;
Vanger 26:2b769ed8de4f 21 socketOpened = false;
Vanger 26:2b769ed8de4f 22 socketCloseable = true;
Vanger 26:2b769ed8de4f 23 local_port = 0;
Vanger 26:2b769ed8de4f 24 local_address = "";
Vanger 26:2b769ed8de4f 25 host_port = 0;
Vanger 26:2b769ed8de4f 26 }
Vanger 26:2b769ed8de4f 27
Vanger 26:2b769ed8de4f 28 EasyIP::~EasyIP()
Vanger 26:2b769ed8de4f 29 {
Vanger 26:2b769ed8de4f 30 if (dtr != NULL) {
Vanger 26:2b769ed8de4f 31 dtr->write(1);
Vanger 26:2b769ed8de4f 32 }
Vanger 26:2b769ed8de4f 33
Vanger 26:2b769ed8de4f 34 delete dcd;
Vanger 26:2b769ed8de4f 35 delete dtr;
Vanger 26:2b769ed8de4f 36 delete resetLine;
Vanger 26:2b769ed8de4f 37 }
Vanger 26:2b769ed8de4f 38
Vanger 26:2b769ed8de4f 39 //Initializes the MTS IO Buffer
Vanger 26:2b769ed8de4f 40 bool EasyIP::init(MTSBufferedIO* io)
Vanger 26:2b769ed8de4f 41 {
Vanger 26:2b769ed8de4f 42 if (! Cellular::init(io)) {
Vanger 26:2b769ed8de4f 43 return false;
Vanger 26:2b769ed8de4f 44 }
Vanger 26:2b769ed8de4f 45
Vanger 26:2b769ed8de4f 46 logDebug("radio type: %s", Cellular::getRadioNames(type).c_str());
Vanger 49:1fc51c53cebf 47 //Turns on the HW flow control
Vanger 41:8b9b5098696f 48 if(sendBasicCommand("AT&K3", 2000) != MTS_SUCCESS) {
Vanger 35:257eb41405e1 49 logWarning("Failed to set flow control to radio");
Vanger 35:257eb41405e1 50 }
Vanger 26:2b769ed8de4f 51 return true;
Vanger 26:2b769ed8de4f 52 }
Vanger 26:2b769ed8de4f 53
Vanger 26:2b769ed8de4f 54 bool EasyIP::connect()
Vanger 26:2b769ed8de4f 55 {
Vanger 33:3b6f3904dde0 56 //Check if APN is not set, if it is not, connect will not work.
Vanger 29:edc613ed3f2e 57 if (type == MTSMC_H5_IP || type == MTSMC_H5 || type == MTSMC_G3) {
Vanger 29:edc613ed3f2e 58 if(apn.size() == 0) {
Vanger 29:edc613ed3f2e 59 logDebug("APN is not set");
Vanger 29:edc613ed3f2e 60 return false;
Vanger 29:edc613ed3f2e 61 }
Vanger 29:edc613ed3f2e 62 }
Vanger 29:edc613ed3f2e 63
Vanger 26:2b769ed8de4f 64 //Check if socket is open
Vanger 26:2b769ed8de4f 65 //flag stored in Cellular.h
Vanger 26:2b769ed8de4f 66 if(socketOpened) {
Vanger 26:2b769ed8de4f 67 return true;
Vanger 26:2b769ed8de4f 68 }
Vanger 26:2b769ed8de4f 69
Vanger 26:2b769ed8de4f 70 //Check if already connected
Vanger 26:2b769ed8de4f 71 //by calling the function isConnected() in EasyIP.cpp
Vanger 26:2b769ed8de4f 72 if(isConnected()) {
Vanger 26:2b769ed8de4f 73 return true;
Vanger 26:2b769ed8de4f 74 }
Vanger 26:2b769ed8de4f 75 //Create an mbed timer object
Vanger 26:2b769ed8de4f 76 Timer tmr;
Vanger 26:2b769ed8de4f 77 //Check Registration: AT+CREG? == 0,1
Vanger 26:2b769ed8de4f 78 //(Does the AT command inside Cellular class)
Vanger 26:2b769ed8de4f 79 tmr.start();
Vanger 35:257eb41405e1 80
Vanger 26:2b769ed8de4f 81 do {
Vanger 26:2b769ed8de4f 82 Registration registration = getRegistration();
Vanger 26:2b769ed8de4f 83 if(registration != REGISTERED) {
Vanger 26:2b769ed8de4f 84 logTrace("Not Registered [%d] ... waiting", (int)registration);
Vanger 26:2b769ed8de4f 85 wait(1);
Vanger 26:2b769ed8de4f 86 } else {
Vanger 26:2b769ed8de4f 87 break;
Vanger 26:2b769ed8de4f 88 }
Vanger 30:1326b623919a 89 } while(tmr.read() < 30);
Vanger 26:2b769ed8de4f 90 //Check RSSI: AT+CSQ
Vanger 26:2b769ed8de4f 91 //Does the command inside Cellular
Vanger 26:2b769ed8de4f 92 tmr.reset();
Vanger 26:2b769ed8de4f 93 do {
Vanger 26:2b769ed8de4f 94 int rssi = getSignalStrength();
Vanger 26:2b769ed8de4f 95 logDebug("Signal strength: %d", rssi);
Vanger 30:1326b623919a 96 if((rssi == 99) || (rssi == -1)) {
Vanger 26:2b769ed8de4f 97 logTrace("No Signal ... waiting");
Vanger 26:2b769ed8de4f 98 wait(1);
Vanger 26:2b769ed8de4f 99 } else {
Vanger 26:2b769ed8de4f 100 break;
Vanger 26:2b769ed8de4f 101 }
Vanger 26:2b769ed8de4f 102 } while(tmr.read() < 30);
Vanger 26:2b769ed8de4f 103
Vanger 27:ec44d5a9544f 104 //Similar to AT#CONNECTIONSTART: Make a PPP connection
Vanger 26:2b769ed8de4f 105 if (type == MTSMC_H5 || type == MTSMC_G3) {
Vanger 26:2b769ed8de4f 106 logDebug("Making PPP Connection Attempt. APN[%s]", apn.c_str());
Vanger 26:2b769ed8de4f 107 } else {
Vanger 26:2b769ed8de4f 108 logDebug("Making PPP Connection Attempt");
Vanger 26:2b769ed8de4f 109 }
Vanger 26:2b769ed8de4f 110 //The main thing going on; Sends the AT command to start a connection
Vanger 30:1326b623919a 111 //Assuming context is already stored in the modem
Vanger 35:257eb41405e1 112 std::string pppResult = sendCommand("AT#SGACT=1,1", 5000);
Vanger 30:1326b623919a 113 std::vector<std::string> parts;
Vanger 26:2b769ed8de4f 114 if(pppResult.find("OK") != std::string::npos) {
Vanger 30:1326b623919a 115 parts = Text::split(pppResult, "\r\n");
Vanger 26:2b769ed8de4f 116 if(parts.size() >= 2) {
Vanger 26:2b769ed8de4f 117 parts = Text::split(parts[1], " ");
Vanger 26:2b769ed8de4f 118 local_address = parts[1];
Vanger 26:2b769ed8de4f 119 }
Vanger 26:2b769ed8de4f 120 logInfo("PPP Connection Established: IP[%s]", local_address.c_str());
Vanger 26:2b769ed8de4f 121 pppConnected = true;
Vanger 26:2b769ed8de4f 122
Vanger 26:2b769ed8de4f 123 } else {
Vanger 30:1326b623919a 124 pppResult = sendCommand("AT#SGACT?", 2000);
Vanger 30:1326b623919a 125 if(pppResult.empty() || (pppResult.find("ERROR") != std::string::npos)) {
Vanger 30:1326b623919a 126 pppConnected = false;
Vanger 30:1326b623919a 127 } else {
Vanger 30:1326b623919a 128 if(pppResult.find("1,1") != std::string::npos) {
Vanger 35:257eb41405e1 129 logDebug("Radio is already connected");
Vanger 30:1326b623919a 130 pppConnected = true;
Vanger 30:1326b623919a 131 } else {
Vanger 30:1326b623919a 132 pppConnected = false;
Vanger 30:1326b623919a 133 }
Vanger 30:1326b623919a 134 }
Vanger 26:2b769ed8de4f 135 }
Vanger 26:2b769ed8de4f 136
Vanger 26:2b769ed8de4f 137 return pppConnected;
Vanger 26:2b769ed8de4f 138 }
Vanger 26:2b769ed8de4f 139
Vanger 26:2b769ed8de4f 140 void EasyIP::disconnect()
Vanger 26:2b769ed8de4f 141 {
Vanger 26:2b769ed8de4f 142 //AT#SGACT=1,0: Close a PPP connection
Vanger 28:f93d7b3f7c2e 143 logDebug("Closing PPP Connection");
Vanger 26:2b769ed8de4f 144 if(socketOpened) {
Vanger 30:1326b623919a 145 if(!close()) { //Calls another EasyIP function to close socket before disconnect
Vanger 30:1326b623919a 146 logDebug("Failed to close socket for disconnect");
Vanger 30:1326b623919a 147 return; //Can't close connection without AT commands
Vanger 30:1326b623919a 148 //(and thus need socket closed)
Vanger 30:1326b623919a 149 }
Vanger 26:2b769ed8de4f 150 }
Vanger 35:257eb41405e1 151 std::string result;
Vanger 35:257eb41405e1 152 Timer tmr;
Vanger 26:2b769ed8de4f 153 //Sends AT#SGACT=1,0 command
Vanger 35:257eb41405e1 154 if (sendBasicCommand("AT#SGACT=1,0", 1000) == MTS_SUCCESS) {
Vanger 30:1326b623919a 155 pppConnected = false;
Vanger 30:1326b623919a 156 logDebug("Successfully closed PPP Connection");
Vanger 30:1326b623919a 157 }
Vanger 35:257eb41405e1 158
Vanger 35:257eb41405e1 159 tmr.start();
Vanger 35:257eb41405e1 160 while(tmr.read() < 30) {
Vanger 35:257eb41405e1 161 result = sendCommand("AT#SGACT?", 1000);
Vanger 35:257eb41405e1 162 if(result.find("1,0") != std::string::npos) {
Vanger 35:257eb41405e1 163 pppConnected = false;
Vanger 35:257eb41405e1 164 break;
Vanger 35:257eb41405e1 165 } else if(result.find("ERROR") != std::string::npos) {
Vanger 35:257eb41405e1 166 break;
Vanger 35:257eb41405e1 167 } else {
Vanger 35:257eb41405e1 168 wait(1);
Vanger 35:257eb41405e1 169 }
Vanger 35:257eb41405e1 170 }
Vanger 35:257eb41405e1 171
Vanger 35:257eb41405e1 172 if(pppConnected) {
Vanger 35:257eb41405e1 173 wait(30);
Vanger 35:257eb41405e1 174 pppConnected = false;
Vanger 35:257eb41405e1 175 }
Vanger 35:257eb41405e1 176
Vanger 30:1326b623919a 177 return;
Vanger 26:2b769ed8de4f 178 }
Vanger 27:ec44d5a9544f 179
Vanger 26:2b769ed8de4f 180 bool EasyIP::isConnected()
Vanger 26:2b769ed8de4f 181 {
Vanger 29:edc613ed3f2e 182 std::string stateString;
Vanger 29:edc613ed3f2e 183 std::vector<std::string> pieces;
Vanger 30:1326b623919a 184 //state flags for various connection checks
Vanger 30:1326b623919a 185 bool signal = false, regist = false, active = false;
Vanger 26:2b769ed8de4f 186
Vanger 29:edc613ed3f2e 187 //1) Check if APN was set if we're on an HSPA radio
Vanger 29:edc613ed3f2e 188 if (type == MTSMC_H5_IP || type == MTSMC_H5 || type == MTSMC_G3) {
Vanger 29:edc613ed3f2e 189 if(apn.size() == 0) {
Vanger 29:edc613ed3f2e 190 logDebug("APN is not set");
Vanger 29:edc613ed3f2e 191 return false;
Vanger 29:edc613ed3f2e 192 }
Vanger 29:edc613ed3f2e 193 }
Vanger 29:edc613ed3f2e 194
Vanger 29:edc613ed3f2e 195 //2) Check that we do not have a live connection up
Vanger 29:edc613ed3f2e 196 if(socketOpened) {
Vanger 29:edc613ed3f2e 197 logDebug("Socket is opened");
Vanger 29:edc613ed3f2e 198 return true;
Vanger 29:edc613ed3f2e 199 }
Vanger 29:edc613ed3f2e 200
Vanger 30:1326b623919a 201
Vanger 29:edc613ed3f2e 202 //3) Query the radio
Vanger 29:edc613ed3f2e 203 //Check antenna signal
Vanger 30:1326b623919a 204 std::string reply = sendCommand("AT+CSQ", 500);
Vanger 29:edc613ed3f2e 205 if(reply.empty() || (reply.find("ERROR") != std::string::npos)) {
Vanger 29:edc613ed3f2e 206 signal = false;
Vanger 29:edc613ed3f2e 207 } else {
Vanger 29:edc613ed3f2e 208 pieces = Text::split(reply, "\r\n");
Vanger 29:edc613ed3f2e 209 if(pieces.size() >= 2) {
Vanger 29:edc613ed3f2e 210 pieces = Text::split(pieces[1], " ");
Vanger 29:edc613ed3f2e 211 if(pieces.size() >= 2) {
Vanger 29:edc613ed3f2e 212 if((pieces[1].find("0,0") != std::string::npos) || (pieces[1].find("99,99") != std::string::npos)) {
Vanger 29:edc613ed3f2e 213 signal = false;
Vanger 29:edc613ed3f2e 214 } else {
Vanger 29:edc613ed3f2e 215 signal = true;
Vanger 29:edc613ed3f2e 216 }
Vanger 29:edc613ed3f2e 217 }
Vanger 29:edc613ed3f2e 218 }
Vanger 29:edc613ed3f2e 219 }
Vanger 27:ec44d5a9544f 220
Vanger 29:edc613ed3f2e 221 //Check cell tower registration
Vanger 30:1326b623919a 222 reply = sendCommand("AT+CREG?", 500);
Vanger 29:edc613ed3f2e 223 if(reply.empty() || (reply.find("ERROR") != std::string::npos)) {
Vanger 29:edc613ed3f2e 224 regist = false;
Vanger 29:edc613ed3f2e 225 } else {
Vanger 29:edc613ed3f2e 226 pieces = Text::split(reply, "\r\n");
Vanger 29:edc613ed3f2e 227 if(pieces.size() >= 2) {
Vanger 29:edc613ed3f2e 228 pieces = Text::split(pieces[1], " ");
Vanger 29:edc613ed3f2e 229 if(pieces.size() >= 2) {
Vanger 29:edc613ed3f2e 230 if((pieces[1].find("0,1") != std::string::npos) || (pieces[1].find("0,5") != std::string::npos)) {
Vanger 29:edc613ed3f2e 231 regist = true; //1 for connected, 5 for roaming connected
Vanger 29:edc613ed3f2e 232 } else {
Vanger 29:edc613ed3f2e 233 regist = false; //Cell tower not registered
Vanger 29:edc613ed3f2e 234 }
Vanger 29:edc613ed3f2e 235 }
Vanger 29:edc613ed3f2e 236 }
Vanger 29:edc613ed3f2e 237 }
Vanger 27:ec44d5a9544f 238
Vanger 33:3b6f3904dde0 239 //Check active context (SGACT = 1,1)
Vanger 30:1326b623919a 240 reply = sendCommand("AT#SGACT?", 500);
Vanger 29:edc613ed3f2e 241 if(reply.empty() || (reply.find("ERROR") != std::string::npos)) {
Vanger 29:edc613ed3f2e 242 active = false;
Vanger 29:edc613ed3f2e 243 } else {
Vanger 29:edc613ed3f2e 244 pieces = Text::split(reply, "\r\n");
Vanger 29:edc613ed3f2e 245 if(pieces.size() >= 2) {
Vanger 29:edc613ed3f2e 246 pieces = Text::split(pieces[1], " ");
Vanger 29:edc613ed3f2e 247 if(pieces.size() >= 2) {
Vanger 29:edc613ed3f2e 248 if(pieces[1].find("1,1") != std::string::npos) {
Vanger 29:edc613ed3f2e 249 active = true; //1 for an active connection mode
Vanger 29:edc613ed3f2e 250 } else {
Vanger 29:edc613ed3f2e 251 active = false; //0, or unknown value, is an inactive connection mode
Vanger 29:edc613ed3f2e 252 }
Vanger 29:edc613ed3f2e 253 }
Vanger 29:edc613ed3f2e 254 }
Vanger 29:edc613ed3f2e 255 }
Vanger 30:1326b623919a 256 //4) Determine radio state
Vanger 30:1326b623919a 257 if(regist && signal) {
Vanger 29:edc613ed3f2e 258 if(pppConnected) {
Vanger 30:1326b623919a 259 if(active) {
Vanger 30:1326b623919a 260 if(ping()) {
Vanger 30:1326b623919a 261 stateString = "CONNECTED";
Vanger 30:1326b623919a 262 pppConnected = true;
Vanger 29:edc613ed3f2e 263 } else {
Vanger 30:1326b623919a 264 stateString = "AUTHENTICATING";
Vanger 30:1326b623919a 265 pppConnected = true;
Vanger 30:1326b623919a 266 return false; //Return false instead of changing pppConnected due to the fact
Vanger 30:1326b623919a 267 //that it is connected to ppp, it just can't ping successfully
Vanger 29:edc613ed3f2e 268 }
Vanger 30:1326b623919a 269 } else {
Vanger 30:1326b623919a 270 stateString = "DISCONNECTING";
Vanger 30:1326b623919a 271 pppConnected = false;
Vanger 30:1326b623919a 272 }
Vanger 30:1326b623919a 273 } else {
Vanger 30:1326b623919a 274 if(active) {
Vanger 30:1326b623919a 275 if(ping()) {
Vanger 30:1326b623919a 276 pppConnected = true;
Vanger 30:1326b623919a 277 stateString = "CONNECTED";
Vanger 30:1326b623919a 278 } else {
Vanger 30:1326b623919a 279 stateString = "CONNECTING";
Vanger 30:1326b623919a 280 }
Vanger 30:1326b623919a 281 } else {
Vanger 30:1326b623919a 282 stateString = "IDLE";
Vanger 30:1326b623919a 283 }
Vanger 29:edc613ed3f2e 284 }
Vanger 30:1326b623919a 285 } else if(regist != signal) {
Vanger 30:1326b623919a 286 stateString = "CHECKING";
Vanger 35:257eb41405e1 287 return false;
Vanger 30:1326b623919a 288 } else if(!regist && !signal) {
Vanger 30:1326b623919a 289 stateString = "DISCONNECTED";
Vanger 30:1326b623919a 290 pppConnected = false;
Vanger 30:1326b623919a 291 }
Vanger 35:257eb41405e1 292
Vanger 35:257eb41405e1 293 std::string pppStatus = pppConnected ? "CONNECTED" : "DISCONNECTED";
Vanger 35:257eb41405e1 294 if(stateString != pppStatus) {
Vanger 35:257eb41405e1 295 logDebug("Internal PPP state[%s], radio state[%s])",pppStatus.c_str() ,stateString.c_str());
Vanger 29:edc613ed3f2e 296 }
Vanger 26:2b769ed8de4f 297 return pppConnected;
Vanger 26:2b769ed8de4f 298 }
Vanger 30:1326b623919a 299
Vanger 33:3b6f3904dde0 300 //Resets the radio
Vanger 33:3b6f3904dde0 301 void EasyIP::reset()
Vanger 33:3b6f3904dde0 302 {
Vanger 33:3b6f3904dde0 303 disconnect();
Vanger 33:3b6f3904dde0 304 if(sendBasicCommand("AT#REBOOT", 10000) != MTS_SUCCESS) {
Vanger 33:3b6f3904dde0 305 logError("Socket Modem did not accept RESET command\n\r");
Vanger 33:3b6f3904dde0 306 } else {
Vanger 33:3b6f3904dde0 307 logWarning("Socket Modem is resetting, allow 30 seconds for it to come back\n\r");
Vanger 33:3b6f3904dde0 308 return;
Vanger 33:3b6f3904dde0 309 }
Vanger 33:3b6f3904dde0 310 }
Vanger 33:3b6f3904dde0 311
Vanger 26:2b769ed8de4f 312 //Binds the socket to a specific port if able
Vanger 26:2b769ed8de4f 313 bool EasyIP::bind(unsigned int port)
Vanger 26:2b769ed8de4f 314 {
Vanger 30:1326b623919a 315 if(socketOpened) {
Vanger 30:1326b623919a 316 logError("socket is open. Can not set local port");
Vanger 30:1326b623919a 317 return false;
Vanger 30:1326b623919a 318 }
Vanger 30:1326b623919a 319 if(port > 65535) {
Vanger 30:1326b623919a 320 logError("port out of range (0-65535)");
Vanger 30:1326b623919a 321 return false;
Vanger 30:1326b623919a 322 }
Vanger 30:1326b623919a 323 local_port = port;
Vanger 26:2b769ed8de4f 324 return true;
Vanger 26:2b769ed8de4f 325 }
Vanger 27:ec44d5a9544f 326
Vanger 26:2b769ed8de4f 327 bool EasyIP::open(const std::string& address, unsigned int port, Mode mode)
Vanger 26:2b769ed8de4f 328 {
Vanger 30:1326b623919a 329 char sOpenSocketCmd[256] = {0}; //String for AT command
Vanger 30:1326b623919a 330 std::string sMode = "";
Vanger 31:529db15abda7 331 int typeSocket = 0;
Vanger 31:529db15abda7 332 int closeType = 0;
Vanger 30:1326b623919a 333
Vanger 30:1326b623919a 334 //1) Check that we do not have a live connection up
Vanger 30:1326b623919a 335 if(socketOpened) {
Vanger 30:1326b623919a 336 //Check that the address, port, and mode match
Vanger 30:1326b623919a 337 if(host_address != address || host_port != port || socketMode != mode) {
Vanger 30:1326b623919a 338 if(socketMode == TCP) {
Vanger 30:1326b623919a 339 logError("TCP socket already opened [%s:%d]", host_address.c_str(), host_port);
Vanger 30:1326b623919a 340 } else {
Vanger 30:1326b623919a 341 logError("UDP socket already opened [%s:%d]", host_address.c_str(), host_port);
Vanger 30:1326b623919a 342 }
Vanger 30:1326b623919a 343 return false;
Vanger 30:1326b623919a 344 }
Vanger 30:1326b623919a 345
Vanger 30:1326b623919a 346 logDebug("Socket already opened");
Vanger 30:1326b623919a 347 return true;
Vanger 30:1326b623919a 348 }
Vanger 30:1326b623919a 349
Vanger 30:1326b623919a 350 //2) Check Parameters
Vanger 30:1326b623919a 351 if(port > 65535) {
Vanger 30:1326b623919a 352 logError("port out of range (0-65535)");
Vanger 30:1326b623919a 353 return false;
Vanger 30:1326b623919a 354 }
Vanger 41:8b9b5098696f 355
Vanger 41:8b9b5098696f 356 if(type == MTSMC_EV3) {
Vanger 41:8b9b5098696f 357 if(!local_port) {
Vanger 41:8b9b5098696f 358 logDebug("Local port set to 1, port 0 not supported for MTSMC_EV3");
Vanger 41:8b9b5098696f 359 local_port = 1;
Vanger 41:8b9b5098696f 360 }
Vanger 41:8b9b5098696f 361 }
Vanger 30:1326b623919a 362
Vanger 30:1326b623919a 363 //3) Check PPP connection
Vanger 30:1326b623919a 364 if(!isConnected()) {
Vanger 30:1326b623919a 365 logError("PPP not established. Attempting to connect");
Vanger 30:1326b623919a 366 if(!connect()) {
Vanger 30:1326b623919a 367 logError("PPP connection failed");
Vanger 30:1326b623919a 368 return false;
Vanger 30:1326b623919a 369 } else {
Vanger 30:1326b623919a 370 logDebug("PPP connection established");
Vanger 30:1326b623919a 371 }
Vanger 30:1326b623919a 372 }
Vanger 30:1326b623919a 373
Vanger 30:1326b623919a 374 //4) Set escape sequence to not be transmitted
Vanger 30:1326b623919a 375 if(sendBasicCommand("AT#SKIPESC=1", 2000) != MTS_SUCCESS) {
Vanger 30:1326b623919a 376 logWarning("Failed to disable escape sequence transmission on data mode suspension");
Vanger 30:1326b623919a 377 }
Vanger 30:1326b623919a 378
Vanger 30:1326b623919a 379 if(mode == TCP) {
Vanger 30:1326b623919a 380 typeSocket = 0;
Vanger 30:1326b623919a 381 sMode = "TCP";
Vanger 30:1326b623919a 382 } else {
Vanger 30:1326b623919a 383 typeSocket = 1;
Vanger 30:1326b623919a 384 sMode = "UDP";
Vanger 30:1326b623919a 385 }
Vanger 31:529db15abda7 386
Vanger 31:529db15abda7 387 if(socketCloseable) {
Vanger 31:529db15abda7 388 closeType = 0;
Vanger 31:529db15abda7 389 } else {
Vanger 31:529db15abda7 390 closeType = 255;
Vanger 31:529db15abda7 391 }
Vanger 31:529db15abda7 392 //5) Open Socket
Vanger 31:529db15abda7 393 sprintf(sOpenSocketCmd, "AT#SD=1,%d,%d,%s,%d,%d,0", typeSocket, port, address.c_str(),closeType , local_port);
Vanger 38:b2088faa8bfd 394 std::string response = sendCommand(sOpenSocketCmd, 60000);
Vanger 30:1326b623919a 395
Vanger 30:1326b623919a 396 if(response.find("CONNECT") != std::string::npos) {
Vanger 30:1326b623919a 397 host_address = address;
Vanger 30:1326b623919a 398 host_port = port;
Vanger 30:1326b623919a 399
Vanger 30:1326b623919a 400 logInfo("Opened %s Socket [%s:%d]", sMode.c_str(), address.c_str(), port);
Vanger 30:1326b623919a 401 socketOpened = true;
Vanger 30:1326b623919a 402 socketMode = mode;
Vanger 30:1326b623919a 403 } else {
Vanger 30:1326b623919a 404 logWarning("Unable to open %s Socket [%s:%d]", sMode.c_str(), address.c_str(), port);
Vanger 30:1326b623919a 405 socketOpened = false;
Vanger 30:1326b623919a 406 }
Vanger 30:1326b623919a 407
Vanger 26:2b769ed8de4f 408 return socketOpened;
Vanger 26:2b769ed8de4f 409 }
Vanger 27:ec44d5a9544f 410
Vanger 26:2b769ed8de4f 411 bool EasyIP::isOpen()
Vanger 26:2b769ed8de4f 412 {
Vanger 30:1326b623919a 413 if(io->readable()) {
Vanger 30:1326b623919a 414 logDebug("Assuming open, data available to read.\n\r");
Vanger 30:1326b623919a 415 return true;
Vanger 30:1326b623919a 416 }
Vanger 26:2b769ed8de4f 417 return socketOpened;
Vanger 26:2b769ed8de4f 418 }
Vanger 27:ec44d5a9544f 419
Vanger 26:2b769ed8de4f 420 bool EasyIP::close()
Vanger 26:2b769ed8de4f 421 {
Vanger 26:2b769ed8de4f 422
Vanger 30:1326b623919a 423 if(io == NULL) {
Vanger 30:1326b623919a 424 logError("MTSBufferedIO not set");
Vanger 30:1326b623919a 425 return false;
Vanger 30:1326b623919a 426 }
Vanger 30:1326b623919a 427
Vanger 30:1326b623919a 428 if(!socketOpened) {
Vanger 30:1326b623919a 429 logWarning("Socket close() called, but socket was not open");
Vanger 30:1326b623919a 430 return true;
Vanger 30:1326b623919a 431 }
Vanger 30:1326b623919a 432
Vanger 30:1326b623919a 433 if(!socketCloseable) {
Vanger 30:1326b623919a 434 logError("Socket is not closeable");
Vanger 30:1326b623919a 435 return false;
Vanger 30:1326b623919a 436 }
Vanger 30:1326b623919a 437
Vanger 30:1326b623919a 438 if(!sendEscapeCommand()) {
Vanger 30:1326b623919a 439 logError("Failed to exit online mode");
Vanger 30:1326b623919a 440 return false;
Vanger 30:1326b623919a 441 } else {
Vanger 30:1326b623919a 442 socketOpened = false;
Vanger 30:1326b623919a 443 }
Vanger 30:1326b623919a 444
Vanger 30:1326b623919a 445 if(sendBasicCommand("AT#SH=1", 2000) != MTS_SUCCESS) {
Vanger 30:1326b623919a 446 logDebug("Failed to close socket connection");
Vanger 30:1326b623919a 447 }
Vanger 30:1326b623919a 448
Vanger 30:1326b623919a 449 Timer tmr;
Vanger 30:1326b623919a 450 int counter = 0;
Vanger 30:1326b623919a 451 char tmp[256];
Vanger 30:1326b623919a 452 tmr.start();
Vanger 30:1326b623919a 453 do {
Vanger 30:1326b623919a 454 if(socketOpened == false) {
Vanger 30:1326b623919a 455 break;
Vanger 30:1326b623919a 456 }
Vanger 30:1326b623919a 457 read(tmp, 256, 1000);
Vanger 30:1326b623919a 458 } while(counter++ < 10);
Vanger 30:1326b623919a 459
Vanger 30:1326b623919a 460 io->rxClear();
Vanger 30:1326b623919a 461 io->txClear();
Vanger 30:1326b623919a 462
Vanger 30:1326b623919a 463 return !socketOpened;
Vanger 26:2b769ed8de4f 464 }
Vanger 26:2b769ed8de4f 465
Vanger 26:2b769ed8de4f 466 int EasyIP::read(char* data, int max, int timeout)
Vanger 26:2b769ed8de4f 467 {
Vanger 30:1326b623919a 468 if(io == NULL) {
Vanger 30:1326b623919a 469 logError("MTSBufferedIO not set");
Vanger 30:1326b623919a 470 return -1;
Vanger 30:1326b623919a 471 }
Vanger 30:1326b623919a 472
Vanger 30:1326b623919a 473 //Check that nothing is in the rx buffer
Vanger 30:1326b623919a 474 if(!socketOpened && !io->readable()) {
Vanger 30:1326b623919a 475 logError("Socket is not open");
Vanger 30:1326b623919a 476 return -1;
Vanger 30:1326b623919a 477 }
Vanger 30:1326b623919a 478
Vanger 30:1326b623919a 479 int bytesRead = 0;
Vanger 30:1326b623919a 480
Vanger 30:1326b623919a 481
Vanger 30:1326b623919a 482 if(timeout >= 0) {
Vanger 30:1326b623919a 483 bytesRead = io->read(data, max, static_cast<unsigned int>(timeout));
Vanger 30:1326b623919a 484 } else {
Vanger 30:1326b623919a 485 bytesRead = io->read(data, max);
Vanger 30:1326b623919a 486 }
Vanger 35:257eb41405e1 487
Vanger 35:257eb41405e1 488 //Scan for socket closed message
Vanger 31:529db15abda7 489 if(bytesRead > 0 && socketCloseable) {
Vanger 35:257eb41405e1 490 for(int i = 0; i < bytesRead; i++) {
Vanger 31:529db15abda7 491 if(data[i] == 'N') {
Vanger 31:529db15abda7 492 if(strstr(&data[i], "NO CARRIER")) {
Vanger 31:529db15abda7 493 logTrace("Found socket closed message. Checking validity");
Vanger 31:529db15abda7 494 //Close socket and Cut Off End of Message
Vanger 31:529db15abda7 495 socketOpened = socketCheck(); //Verifies legitimacy of socket disconnect
Vanger 31:529db15abda7 496 if(socketOpened) {
Vanger 31:529db15abda7 497 logDebug("Socket still open");
Vanger 31:529db15abda7 498 continue;
Vanger 31:529db15abda7 499 } else {
Vanger 31:529db15abda7 500 logDebug("Socket closed");
Vanger 31:529db15abda7 501 data[i] = '\0';
Vanger 31:529db15abda7 502 bytesRead = i;
Vanger 31:529db15abda7 503 break;
Vanger 31:529db15abda7 504 }
Vanger 30:1326b623919a 505 }
Vanger 30:1326b623919a 506 }
Vanger 30:1326b623919a 507 }
Vanger 30:1326b623919a 508 }
Vanger 30:1326b623919a 509 return bytesRead;
Vanger 26:2b769ed8de4f 510 }
Vanger 26:2b769ed8de4f 511
Vanger 26:2b769ed8de4f 512 int EasyIP::write(const char* data, int length, int timeout)
Vanger 26:2b769ed8de4f 513 {
Vanger 30:1326b623919a 514 if(io == NULL) {
Vanger 30:1326b623919a 515 logError("MTSBufferedIO not set");
Vanger 30:1326b623919a 516 return -1;
Vanger 30:1326b623919a 517 }
Vanger 30:1326b623919a 518
Vanger 30:1326b623919a 519 if(!socketOpened) {
Vanger 30:1326b623919a 520 logError("Socket is not open");
Vanger 30:1326b623919a 521 return -1;
Vanger 30:1326b623919a 522 }
Vanger 30:1326b623919a 523
Vanger 30:1326b623919a 524 int bytesWritten = 0;
Vanger 31:529db15abda7 525 int size = length;
Vanger 31:529db15abda7 526 int failedWrites = 0;
Vanger 30:1326b623919a 527 if(timeout >= 0) {
Vanger 30:1326b623919a 528 Timer tmr;
Vanger 30:1326b623919a 529 tmr.start();
Vanger 30:1326b623919a 530 do {
Vanger 30:1326b623919a 531 int available = io->writeable();
Vanger 30:1326b623919a 532 if (available > 0) {
Vanger 31:529db15abda7 533 size = MIN(available, length - bytesWritten);
Vanger 31:529db15abda7 534 bytesWritten += io->write(&data[bytesWritten], size);
Vanger 30:1326b623919a 535 } else {
Vanger 30:1326b623919a 536 wait(0.05);
Vanger 30:1326b623919a 537 }
Vanger 30:1326b623919a 538 } while (tmr.read_ms() <= timeout && bytesWritten < length);
Vanger 30:1326b623919a 539 } else {
Vanger 31:529db15abda7 540 //If timeout is -1:
Vanger 31:529db15abda7 541 do {
Vanger 31:529db15abda7 542 int available = io->writeable();
Vanger 31:529db15abda7 543 if(available > 0) {
Vanger 31:529db15abda7 544 size = MIN(available, length - bytesWritten);
Vanger 31:529db15abda7 545 int currentWritten = io->write(&data[bytesWritten], size);
Vanger 31:529db15abda7 546 bytesWritten += currentWritten;
Vanger 31:529db15abda7 547 if(!currentWritten) {
Vanger 31:529db15abda7 548 failedWrites++;
Vanger 31:529db15abda7 549 }
Vanger 31:529db15abda7 550 if(failedWrites > 10) {
Vanger 31:529db15abda7 551 logError("Couldn't write any characters");
Vanger 31:529db15abda7 552 return bytesWritten;
Vanger 31:529db15abda7 553 }
Vanger 31:529db15abda7 554 } else {
Vanger 31:529db15abda7 555 wait(0.05);
Vanger 30:1326b623919a 556 }
Vanger 31:529db15abda7 557 } while (bytesWritten < length);
Vanger 30:1326b623919a 558 }
Vanger 30:1326b623919a 559 return bytesWritten;
Vanger 26:2b769ed8de4f 560 }
Vanger 26:2b769ed8de4f 561
Vanger 26:2b769ed8de4f 562 unsigned int EasyIP::readable()
Vanger 26:2b769ed8de4f 563 {
Vanger 30:1326b623919a 564 if(io == NULL) {
Vanger 30:1326b623919a 565 logWarning("MTSBufferedIO not set");
Vanger 30:1326b623919a 566 return 0;
Vanger 30:1326b623919a 567 }
Vanger 30:1326b623919a 568 if(!socketOpened && !io->readable()) {
Vanger 30:1326b623919a 569 logWarning("Socket is not open");
Vanger 30:1326b623919a 570 return 0;
Vanger 30:1326b623919a 571 }
Vanger 26:2b769ed8de4f 572 return io->readable();
Vanger 26:2b769ed8de4f 573 }
Vanger 26:2b769ed8de4f 574
Vanger 26:2b769ed8de4f 575 unsigned int EasyIP::writeable()
Vanger 26:2b769ed8de4f 576 {
Vanger 30:1326b623919a 577 if(io == NULL) {
Vanger 30:1326b623919a 578 logWarning("MTSBufferedIO not set");
Vanger 30:1326b623919a 579 return 0;
Vanger 30:1326b623919a 580 }
Vanger 30:1326b623919a 581 if(!socketOpened) {
Vanger 30:1326b623919a 582 logWarning("Socket is not open");
Vanger 30:1326b623919a 583 return 0;
Vanger 30:1326b623919a 584 }
Vanger 26:2b769ed8de4f 585
Vanger 26:2b769ed8de4f 586 return io->writeable();
Vanger 26:2b769ed8de4f 587 }
Vanger 26:2b769ed8de4f 588
Vanger 26:2b769ed8de4f 589 bool EasyIP::setDeviceIP(std::string address)
Vanger 26:2b769ed8de4f 590 {
Vanger 26:2b769ed8de4f 591 if (address.compare("DHCP") == 0) {
Vanger 26:2b769ed8de4f 592 return true;
Vanger 26:2b769ed8de4f 593 } else {
Vanger 26:2b769ed8de4f 594 logWarning("Radio does not support static IPs, using DHCP.\n\r");
Vanger 26:2b769ed8de4f 595 return false;
Vanger 26:2b769ed8de4f 596 }
Vanger 26:2b769ed8de4f 597 }
Vanger 26:2b769ed8de4f 598
Vanger 26:2b769ed8de4f 599 Code EasyIP::setApn(const std::string& apn)
Vanger 26:2b769ed8de4f 600 {
Vanger 26:2b769ed8de4f 601 if (type == MTSMC_H5 || type == MTSMC_G3) {
Vanger 26:2b769ed8de4f 602 //Set IP,PPP,IPv6
Vanger 26:2b769ed8de4f 603 Code code = sendBasicCommand("AT+CGDCONT=1,PPP," + apn, 1000);
Vanger 26:2b769ed8de4f 604 if (code != MTS_SUCCESS) {
Vanger 33:3b6f3904dde0 605 return code; //This will return whatever is not MTS_SUCCESS
Vanger 26:2b769ed8de4f 606 }
Vanger 26:2b769ed8de4f 607 this->apn = apn;
Vanger 26:2b769ed8de4f 608 return code; //This will return MTS_SUCCESS
Vanger 26:2b769ed8de4f 609 } else {
Vanger 26:2b769ed8de4f 610 logInfo("CDMA radios don't need an APN");
Vanger 26:2b769ed8de4f 611 return MTS_SUCCESS;
Vanger 26:2b769ed8de4f 612 }
Vanger 26:2b769ed8de4f 613 }
Vanger 27:ec44d5a9544f 614
Vanger 26:2b769ed8de4f 615 std::string EasyIP::getDeviceIP()
Vanger 26:2b769ed8de4f 616 {
Vanger 26:2b769ed8de4f 617 return local_address;
Vanger 26:2b769ed8de4f 618 }
Vanger 26:2b769ed8de4f 619
Vanger 32:7d5581159bed 620 //Turns off echo when it receives a true, turns on when it receives false
Vanger 26:2b769ed8de4f 621 Code EasyIP::echo(bool state)
Vanger 26:2b769ed8de4f 622 {
Vanger 27:ec44d5a9544f 623 Code code;
Vanger 27:ec44d5a9544f 624 if (state) {
Vanger 27:ec44d5a9544f 625 code = sendBasicCommand("ATE0", 1000);
Vanger 27:ec44d5a9544f 626 echoMode = (code == MTS_SUCCESS) ? false : echoMode;
Vanger 27:ec44d5a9544f 627 } else {
Vanger 27:ec44d5a9544f 628 code = sendBasicCommand("ATE1", 1000);
Vanger 27:ec44d5a9544f 629 echoMode = (code == MTS_SUCCESS) ? true : echoMode;
Vanger 27:ec44d5a9544f 630 }
Vanger 27:ec44d5a9544f 631 return code;
Vanger 26:2b769ed8de4f 632 }
Vanger 26:2b769ed8de4f 633
Vanger 26:2b769ed8de4f 634 bool EasyIP::ping(const std::string& address)
Vanger 26:2b769ed8de4f 635 {
Vanger 26:2b769ed8de4f 636 char buffer[256] = {0};
Vanger 27:ec44d5a9544f 637 std::vector<std::string> parts;
Vanger 27:ec44d5a9544f 638 int pingsRec=0;
Vanger 27:ec44d5a9544f 639 int TTL=0;
Vanger 27:ec44d5a9544f 640 int Timeout=0;
Vanger 27:ec44d5a9544f 641
Vanger 27:ec44d5a9544f 642 //Format parameters for sending to radio
Vanger 30:1326b623919a 643 sprintf(buffer, "AT#PING=%s,1,32,%d", address.c_str(), (PINGDELAY*10));
Vanger 26:2b769ed8de4f 644
Vanger 27:ec44d5a9544f 645 for(int pngs=0; pngs<PINGNUM; pngs++) {
Vanger 35:257eb41405e1 646 std::string response = sendCommand(buffer, (PINGDELAY*2000)); //Send 1 ping
Vanger 35:257eb41405e1 647 wait(0.5); //Radio seems to get stuck if no wait is incurred between issuing ping commands
Vanger 35:257eb41405e1 648 //leads to unknown registration state eventually :(
Vanger 28:f93d7b3f7c2e 649 if(response.empty()) {
Vanger 28:f93d7b3f7c2e 650 continue; //Skip current loop if send command fails
Vanger 28:f93d7b3f7c2e 651 }
Vanger 28:f93d7b3f7c2e 652 if(response.find("ERROR") != std::string::npos) {
Vanger 28:f93d7b3f7c2e 653 continue; //Skip current loop if send command fails
Vanger 28:f93d7b3f7c2e 654 }
Vanger 27:ec44d5a9544f 655 parts = Text::split(response, "\r\n");
Vanger 28:f93d7b3f7c2e 656 if(parts.size() < 2) {
Vanger 28:f93d7b3f7c2e 657 continue;
Vanger 28:f93d7b3f7c2e 658 }
Vanger 27:ec44d5a9544f 659 parts = Text::split(parts[1], ",");
Vanger 28:f93d7b3f7c2e 660 if(parts.size() < 4) {
Vanger 28:f93d7b3f7c2e 661 continue;
Vanger 28:f93d7b3f7c2e 662 }
Vanger 27:ec44d5a9544f 663 //Parse TTL and Timeout values
Vanger 27:ec44d5a9544f 664 Timeout = std::atoi(parts[2].c_str());
Vanger 27:ec44d5a9544f 665 TTL = std::atoi(parts[3].c_str());
Vanger 27:ec44d5a9544f 666
Vanger 27:ec44d5a9544f 667 if((Timeout < 600) && (TTL < 255)) {
Vanger 27:ec44d5a9544f 668 pingsRec++;
Vanger 27:ec44d5a9544f 669 }
Vanger 27:ec44d5a9544f 670 } //Success if less than 50% packet loss
Vanger 27:ec44d5a9544f 671 if( ((pingsRec/PINGNUM)>= 0.5) ) {
Vanger 27:ec44d5a9544f 672 return true;
Vanger 27:ec44d5a9544f 673 }
Vanger 26:2b769ed8de4f 674 return false;
Vanger 26:2b769ed8de4f 675 }
Vanger 26:2b769ed8de4f 676
Vanger 27:ec44d5a9544f 677 //Pass 1 to enable socket closeable
Vanger 27:ec44d5a9544f 678 //Pass 0 to disable socket closeable
Vanger 26:2b769ed8de4f 679 Code EasyIP::setSocketCloseable(bool enabled)
Vanger 26:2b769ed8de4f 680 {
Vanger 31:529db15abda7 681 if(socketCloseable == enabled) {
Vanger 31:529db15abda7 682 return MTS_SUCCESS;
Vanger 31:529db15abda7 683 }
Vanger 31:529db15abda7 684
Vanger 31:529db15abda7 685 if(socketOpened) {
Vanger 31:529db15abda7 686 logError("socket is already opened. Can not set closeable");
Vanger 31:529db15abda7 687 return MTS_ERROR;
Vanger 31:529db15abda7 688 }
Vanger 31:529db15abda7 689
Vanger 31:529db15abda7 690 socketCloseable = enabled;
Vanger 31:529db15abda7 691
Vanger 26:2b769ed8de4f 692 return MTS_SUCCESS;
Vanger 26:2b769ed8de4f 693 }
Vanger 33:3b6f3904dde0 694
Vanger 33:3b6f3904dde0 695 bool EasyIP::sendEscapeCommand()
Vanger 33:3b6f3904dde0 696 {
Vanger 33:3b6f3904dde0 697 //string Cellular::sendCommand(const std::string& command, unsigned int timeoutMillis, char esc)
Vanger 33:3b6f3904dde0 698 if(io == NULL) {
Vanger 33:3b6f3904dde0 699 logError("MTSBufferedIO not set");
Vanger 33:3b6f3904dde0 700 return false;
Vanger 33:3b6f3904dde0 701 }
Vanger 33:3b6f3904dde0 702 if(!socketOpened) {
Vanger 35:257eb41405e1 703 logError("Socket is not open. +++ Escape sequence should fail");
Vanger 33:3b6f3904dde0 704 }
Vanger 33:3b6f3904dde0 705
Vanger 33:3b6f3904dde0 706 if(!socketCloseable) {
Vanger 33:3b6f3904dde0 707 logError("Socket is not closeable");
Vanger 33:3b6f3904dde0 708 return false;
Vanger 33:3b6f3904dde0 709 }
Vanger 33:3b6f3904dde0 710
Vanger 33:3b6f3904dde0 711 io->rxClear();
Vanger 33:3b6f3904dde0 712 io->txClear();
Vanger 33:3b6f3904dde0 713
Vanger 33:3b6f3904dde0 714 std::string result;
Vanger 41:8b9b5098696f 715 unsigned int timeoutMillis = 10000; //time in ms
Vanger 33:3b6f3904dde0 716 //Attempt to write command
Vanger 35:257eb41405e1 717 wait(1.2); //Format for +++ command is 1 second wait, send +++, then another second wait
Vanger 33:3b6f3904dde0 718 //1s wait after command is implemented as a polling function for 2 seconds
Vanger 33:3b6f3904dde0 719 //Option: Could change wait periods to be longer/shorter (0-255)*50ms
Vanger 49:1fc51c53cebf 720 if(io->write("+++", 3, timeoutMillis) != 3) {
Vanger 33:3b6f3904dde0 721 //Failed to write command
Vanger 33:3b6f3904dde0 722 logError("failed to send command to radio within %d milliseconds", timeoutMillis);
Vanger 33:3b6f3904dde0 723 return false;
Vanger 33:3b6f3904dde0 724 }
Vanger 33:3b6f3904dde0 725
Vanger 33:3b6f3904dde0 726 int timer = 0;
Vanger 33:3b6f3904dde0 727 char tmp[256];
Vanger 33:3b6f3904dde0 728 tmp[255] = 0;
Vanger 33:3b6f3904dde0 729 bool done = false;
Vanger 33:3b6f3904dde0 730 io->read(tmp,255,0);
Vanger 33:3b6f3904dde0 731 bool exitmode = false;
Vanger 33:3b6f3904dde0 732
Vanger 33:3b6f3904dde0 733 do {
Vanger 33:3b6f3904dde0 734 wait(0.1);
Vanger 33:3b6f3904dde0 735 timer += 100;
Vanger 33:3b6f3904dde0 736 //Make a non-blocking read call by passing timeout of zero
Vanger 33:3b6f3904dde0 737 int size = io->read(tmp,255,0); //1 less than allocated (timeout is instant)
Vanger 33:3b6f3904dde0 738 if(size > 0) {
Vanger 33:3b6f3904dde0 739 result.append(tmp, size);
Vanger 33:3b6f3904dde0 740 }
Vanger 33:3b6f3904dde0 741 if(result.find("OK") != std::string::npos) {
Vanger 33:3b6f3904dde0 742 exitmode = true;
Vanger 33:3b6f3904dde0 743 done = true;
Vanger 33:3b6f3904dde0 744 } else if(result.find("NO CARRIER") != std::string::npos) {
Vanger 33:3b6f3904dde0 745 exitmode = true;
Vanger 33:3b6f3904dde0 746 done = true;
Vanger 33:3b6f3904dde0 747 } else if(result.find("ERROR") != std::string::npos) {
Vanger 33:3b6f3904dde0 748 exitmode = false;
Vanger 33:3b6f3904dde0 749 done = true;
Vanger 33:3b6f3904dde0 750 }
Vanger 33:3b6f3904dde0 751 if(timer >= timeoutMillis) {
Vanger 33:3b6f3904dde0 752 logDebug("Escape sequence [+++] timed out after %d milliseconds", timeoutMillis);
Vanger 33:3b6f3904dde0 753 exitmode = true;
Vanger 33:3b6f3904dde0 754 done = true;
Vanger 33:3b6f3904dde0 755 }
Vanger 33:3b6f3904dde0 756 } while (!done);
Vanger 33:3b6f3904dde0 757
Vanger 33:3b6f3904dde0 758 return exitmode;
Vanger 33:3b6f3904dde0 759 }
Vanger 33:3b6f3904dde0 760
Vanger 33:3b6f3904dde0 761 bool EasyIP::socketCheck() {
Vanger 33:3b6f3904dde0 762 bool status = false;
Vanger 33:3b6f3904dde0 763 std::string socketInfo = "9"; //9 is unrecognized
Vanger 33:3b6f3904dde0 764 std::vector<std::string> params;
Vanger 33:3b6f3904dde0 765
Vanger 33:3b6f3904dde0 766 //Goes from data mode to command mode
Vanger 33:3b6f3904dde0 767 if(sendEscapeCommand()) {
Vanger 33:3b6f3904dde0 768 socketOpened = false;
Vanger 33:3b6f3904dde0 769 if(sendBasicCommand("AT", 1000) == MTS_SUCCESS) {
Vanger 33:3b6f3904dde0 770 socketInfo = sendCommand("AT#SS=1", 2000);
Vanger 33:3b6f3904dde0 771 if(socketInfo.find("OK") != std::string::npos) {
Vanger 33:3b6f3904dde0 772 //Found valid response
Vanger 33:3b6f3904dde0 773 params = Text::split(socketInfo, "\r\n");
Vanger 33:3b6f3904dde0 774 params = Text::split(params[1], ",");
Vanger 33:3b6f3904dde0 775 socketInfo = params[1];
Vanger 33:3b6f3904dde0 776 //Check comparison of params[1] to response codes
Vanger 33:3b6f3904dde0 777 } else {
Vanger 33:3b6f3904dde0 778 logError("Could not determine socket status[%s]",socketInfo.c_str());
Vanger 33:3b6f3904dde0 779 socketInfo == "9"; //9 is unrecognized
Vanger 33:3b6f3904dde0 780 }
Vanger 33:3b6f3904dde0 781 }
Vanger 33:3b6f3904dde0 782 } else {
Vanger 33:3b6f3904dde0 783 status = false; //Return value of socketOpened when checking
Vanger 33:3b6f3904dde0 784 }
Vanger 33:3b6f3904dde0 785
Vanger 33:3b6f3904dde0 786 //Check socket status query
Vanger 33:3b6f3904dde0 787 if(socketInfo == "2" || socketInfo == "3" || socketInfo == "1" || socketInfo == "4") {
Vanger 33:3b6f3904dde0 788 status = true; //2 and 3 are suspended connections
Vanger 33:3b6f3904dde0 789 } else if(socketInfo == "0" || socketInfo == "5") {
Vanger 33:3b6f3904dde0 790 status = false; //0 is closed socket, probably won't occur
Vanger 33:3b6f3904dde0 791 } else {
Vanger 33:3b6f3904dde0 792 logError("Could not determine socket status");
Vanger 33:3b6f3904dde0 793 status = false; //anything else is unknown status
Vanger 33:3b6f3904dde0 794 }
Vanger 33:3b6f3904dde0 795
Vanger 33:3b6f3904dde0 796 //Reconnects to active socket if able
Vanger 33:3b6f3904dde0 797 if(status) {
Vanger 33:3b6f3904dde0 798 std::string reconnect = sendCommand("AT#SO=1", 2000);
Vanger 33:3b6f3904dde0 799 if(reconnect.find("CONNECT") != std::string::npos || reconnect.find("OK") != std::string::npos) {
Vanger 33:3b6f3904dde0 800 } else {
Vanger 33:3b6f3904dde0 801 logError("Failed to resume socket connection");
Vanger 33:3b6f3904dde0 802 }
Vanger 33:3b6f3904dde0 803 }
Vanger 33:3b6f3904dde0 804 return status;
Vanger 33:3b6f3904dde0 805 }