Peter Ferland / MTS-Cellular_lat1

Simple detection for LE910-NA1 modules

Fork of MTS-Cellular by MultiTech

Cellular/UIP.cpp@13:e443e7e2b605, 2014-05-22 (annotated)

Committer:
Mike Fiore
Date:
Thu May 22 14:05:49 2014 -0500
Revision:
13:e443e7e2b605
Parent:
11:4e428f689069
Child:
14:614952fb3af3
only check APN if using a HSPA radio

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Mike Fiore 3:04046eebaef5 1 #include "mbed.h"
Mike Fiore 3:04046eebaef5 2 #include "UIP.h"
Mike Fiore 1:f155d94d6f3a 3 #include "MTSText.h"
Mike Fiore 4:1f63354b8d1b 4 #include "MTSLog.h"
Mike Fiore 2:10e72dce251d 5 #include "CellUtils.h"
Mike Fiore 1:f155d94d6f3a 6
Mike Fiore 1:f155d94d6f3a 7 using namespace mts;
Mike Fiore 1:f155d94d6f3a 8
Mike Fiore 11:4e428f689069 9 UIP::UIP(Radio type)
Mike Fiore 1:f155d94d6f3a 10 {
Mike Fiore 11:4e428f689069 11 this->type = type;
Mike Fiore 3:04046eebaef5 12 io = NULL;
Mike Fiore 9:1a03e3f3e7fe 13 dcd = NULL;
Mike Fiore 9:1a03e3f3e7fe 14 dtr = NULL;
Mike Fiore 9:1a03e3f3e7fe 15 resetLine = NULL;
Mike Fiore 3:04046eebaef5 16 echoMode = true;
Mike Fiore 3:04046eebaef5 17 pppConnected = false;
Mike Fiore 3:04046eebaef5 18 mode = TCP;
Mike Fiore 3:04046eebaef5 19 socketOpened = false;
Mike Fiore 3:04046eebaef5 20 socketCloseable = true;
Mike Fiore 3:04046eebaef5 21 local_port = 0;
Mike Fiore 3:04046eebaef5 22 local_address = "";
Mike Fiore 3:04046eebaef5 23 host_port = 0;
Mike Fiore 1:f155d94d6f3a 24 }
Mike Fiore 1:f155d94d6f3a 25
Mike Fiore 3:04046eebaef5 26 UIP::~UIP()
Mike Fiore 1:f155d94d6f3a 27 {
Mike Fiore 1:f155d94d6f3a 28 if (dtr != NULL) {
Mike Fiore 1:f155d94d6f3a 29 dtr->write(1);
Mike Fiore 1:f155d94d6f3a 30 }
Mike Fiore 1:f155d94d6f3a 31
Mike Fiore 1:f155d94d6f3a 32 delete dcd;
Mike Fiore 1:f155d94d6f3a 33 delete dtr;
Mike Fiore 1:f155d94d6f3a 34 delete resetLine;
Mike Fiore 1:f155d94d6f3a 35 }
Mike Fiore 1:f155d94d6f3a 36
Mike Fiore 3:04046eebaef5 37 bool UIP::init(MTSBufferedIO* io)
Mike Fiore 1:f155d94d6f3a 38 {
Mike Fiore 8:2d7259d244d1 39 if (! Cellular::init(io)) {
Mike Fiore 1:f155d94d6f3a 40 return false;
Mike Fiore 1:f155d94d6f3a 41 }
Mike Fiore 1:f155d94d6f3a 42
Mike Fiore 1:f155d94d6f3a 43 // Reset radio to make sure it's in a good state and wait for it to come back
Mike Fiore 1:f155d94d6f3a 44 reset();
Mike Fiore 1:f155d94d6f3a 45 test();
Mike Fiore 1:f155d94d6f3a 46
Mike Fiore 11:4e428f689069 47 logDebug("radio: %s", Cellular::getRadioNames(type).data());
Mike Fiore 8:2d7259d244d1 48 return true;
Mike Fiore 1:f155d94d6f3a 49 }
Mike Fiore 1:f155d94d6f3a 50
Mike Fiore 3:04046eebaef5 51 bool UIP::connect()
Mike Fiore 1:f155d94d6f3a 52 {
Mike Fiore 1:f155d94d6f3a 53 //Check if socket is open
Mike Fiore 1:f155d94d6f3a 54 if(socketOpened) {
Mike Fiore 1:f155d94d6f3a 55 return true;
Mike Fiore 1:f155d94d6f3a 56 }
Mike Fiore 1:f155d94d6f3a 57
Mike Fiore 1:f155d94d6f3a 58 //Check if already connected
Mike Fiore 1:f155d94d6f3a 59 if(isConnected()) {
Mike Fiore 1:f155d94d6f3a 60 return true;
Mike Fiore 1:f155d94d6f3a 61 }
Mike Fiore 1:f155d94d6f3a 62
Mike Fiore 1:f155d94d6f3a 63 Timer tmr;
Mike Fiore 1:f155d94d6f3a 64
Mike Fiore 1:f155d94d6f3a 65 //Check Registration: AT+CREG? == 0,1
Mike Fiore 1:f155d94d6f3a 66 tmr.start();
Mike Fiore 1:f155d94d6f3a 67 do {
Mike Fiore 1:f155d94d6f3a 68 Registration registration = getRegistration();
Mike Fiore 1:f155d94d6f3a 69 if(registration != REGISTERED) {
Mike Fiore 4:1f63354b8d1b 70 logWarning("Not Registered [%d] ... waiting", (int)registration);
Mike Fiore 1:f155d94d6f3a 71 wait(1);
Mike Fiore 1:f155d94d6f3a 72 } else {
Mike Fiore 1:f155d94d6f3a 73 break;
Mike Fiore 1:f155d94d6f3a 74 }
Mike Fiore 1:f155d94d6f3a 75 } while(tmr.read() < 30);
Mike Fiore 1:f155d94d6f3a 76
Mike Fiore 1:f155d94d6f3a 77 //Check RSSI: AT+CSQ
Mike Fiore 1:f155d94d6f3a 78 tmr.reset();
Mike Fiore 1:f155d94d6f3a 79 do {
Mike Fiore 1:f155d94d6f3a 80 int rssi = getSignalStrength();
Mike Fiore 4:1f63354b8d1b 81 logDebug("Signal strength: %d", rssi);
Mike Fiore 1:f155d94d6f3a 82 if(rssi == 99) {
Mike Fiore 4:1f63354b8d1b 83 logWarning("No Signal ... waiting");
Mike Fiore 1:f155d94d6f3a 84 wait(1);
Mike Fiore 1:f155d94d6f3a 85 } else {
Mike Fiore 1:f155d94d6f3a 86 break;
Mike Fiore 1:f155d94d6f3a 87 }
Mike Fiore 1:f155d94d6f3a 88 } while(tmr.read() < 30);
Mike Fiore 1:f155d94d6f3a 89
Mike Fiore 1:f155d94d6f3a 90 //AT#CONNECTIONSTART: Make a PPP connection
Mike Fiore 13:e443e7e2b605 91 if (type == MTSMC_H5_IP) {
Mike Fiore 13:e443e7e2b605 92 logDebug("Making PPP Connection Attempt. APN[%s]", apn.c_str());
Mike Fiore 13:e443e7e2b605 93 } else {
Mike Fiore 13:e443e7e2b605 94 logDebug("Making PPP Connection Attempt");
Mike Fiore 13:e443e7e2b605 95 }
Mike Fiore 1:f155d94d6f3a 96 std::string pppResult = sendCommand("AT#CONNECTIONSTART", 120000);
Mike Fiore 1:f155d94d6f3a 97 std::vector<std::string> parts = Text::split(pppResult, "\r\n");
Mike Fiore 1:f155d94d6f3a 98
Mike Fiore 1:f155d94d6f3a 99 if(pppResult.find("Ok_Info_GprsActivation") != std::string::npos) {
Mike Fiore 1:f155d94d6f3a 100 if(parts.size() >= 2) {
Mike Fiore 1:f155d94d6f3a 101 local_address = parts[1];
Mike Fiore 1:f155d94d6f3a 102 }
Mike Fiore 4:1f63354b8d1b 103 logInfo("PPP Connection Established: IP[%s]", local_address.c_str());
Mike Fiore 1:f155d94d6f3a 104 pppConnected = true;
Mike Fiore 1:f155d94d6f3a 105
Mike Fiore 1:f155d94d6f3a 106 } else {
Mike Fiore 1:f155d94d6f3a 107 pppConnected = false;
Mike Fiore 1:f155d94d6f3a 108 }
Mike Fiore 1:f155d94d6f3a 109
Mike Fiore 1:f155d94d6f3a 110 return pppConnected;
Mike Fiore 1:f155d94d6f3a 111 }
Mike Fiore 1:f155d94d6f3a 112
Mike Fiore 3:04046eebaef5 113 void UIP::disconnect()
Mike Fiore 1:f155d94d6f3a 114 {
Mike Fiore 1:f155d94d6f3a 115 //AT#CONNECTIONSTOP: Close a PPP connection
Mike Fiore 4:1f63354b8d1b 116 logDebug("Closing PPP Connection");
Mike Fiore 1:f155d94d6f3a 117
Mike Fiore 1:f155d94d6f3a 118 if(socketOpened) {
Mike Fiore 1:f155d94d6f3a 119 close();
Mike Fiore 1:f155d94d6f3a 120 }
Mike Fiore 1:f155d94d6f3a 121
Mike Fiore 1:f155d94d6f3a 122 Code code = sendBasicCommand("AT#CONNECTIONSTOP", 10000);
Mike Fiore 1:f155d94d6f3a 123 if(code == SUCCESS) {
Mike Fiore 4:1f63354b8d1b 124 logDebug("Successfully closed PPP Connection");
Mike Fiore 1:f155d94d6f3a 125 } else {
Mike Fiore 4:1f63354b8d1b 126 logError("Closing PPP Connection [%d]. Continuing ...", (int)code);
Mike Fiore 1:f155d94d6f3a 127 }
Mike Fiore 1:f155d94d6f3a 128
Mike Fiore 1:f155d94d6f3a 129 pppConnected = false;
Mike Fiore 1:f155d94d6f3a 130 }
Mike Fiore 1:f155d94d6f3a 131
Mike Fiore 3:04046eebaef5 132 bool UIP::isConnected()
Mike Fiore 1:f155d94d6f3a 133 {
Mike Fiore 13:e443e7e2b605 134 //1) Check if APN was set if we're on a HSPA radio
Mike Fiore 13:e443e7e2b605 135 if (type == MTSMC_H5_IP) {
Mike Fiore 13:e443e7e2b605 136 if(apn.size() == 0) {
Mike Fiore 13:e443e7e2b605 137 logDebug("APN is not set");
Mike Fiore 13:e443e7e2b605 138 return false;
Mike Fiore 13:e443e7e2b605 139 }
Mike Fiore 1:f155d94d6f3a 140 }
Mike Fiore 1:f155d94d6f3a 141
Mike Fiore 13:e443e7e2b605 142 //2) Check that we do not have a live connection up
Mike Fiore 1:f155d94d6f3a 143 if(socketOpened) {
Mike Fiore 4:1f63354b8d1b 144 logDebug("Socket is opened");
Mike Fiore 1:f155d94d6f3a 145 return true;
Mike Fiore 1:f155d94d6f3a 146 }
Mike Fiore 13:e443e7e2b605 147 //3) Query the radio
Mike Fiore 1:f155d94d6f3a 148 std::string result = sendCommand("AT#VSTATE", 3000);
Mike Fiore 1:f155d94d6f3a 149 if(result.find("CONNECTED") != std::string::npos) {
Mike Fiore 1:f155d94d6f3a 150 if(pppConnected == false) {
Mike Fiore 4:1f63354b8d1b 151 logWarning("Internal PPP state tracking differs from radio (DISCONNECTED:CONNECTED)");
Mike Fiore 1:f155d94d6f3a 152 }
Mike Fiore 1:f155d94d6f3a 153 pppConnected = true;
Mike Fiore 1:f155d94d6f3a 154 } else {
Mike Fiore 1:f155d94d6f3a 155 if(pppConnected == true) {
Mike Fiore 1:f155d94d6f3a 156 //Find out what state is
Mike Fiore 1:f155d94d6f3a 157 size_t pos = result.find("STATE:");
Mike Fiore 1:f155d94d6f3a 158 if(pos != std::string::npos) {
Mike Fiore 1:f155d94d6f3a 159 result = Text::getLine(result, pos + sizeof("STATE:"), pos);
Mike Fiore 4:1f63354b8d1b 160 logWarning("Internal PPP state tracking differs from radio (CONNECTED:%s)", result.c_str());
Mike Fiore 1:f155d94d6f3a 161 } else {
Mike Fiore 4:1f63354b8d1b 162 logError("Unable to parse radio state: [%s]", result.c_str());
Mike Fiore 1:f155d94d6f3a 163 }
Mike Fiore 1:f155d94d6f3a 164
Mike Fiore 1:f155d94d6f3a 165 }
Mike Fiore 1:f155d94d6f3a 166 pppConnected = false;
Mike Fiore 1:f155d94d6f3a 167 }
Mike Fiore 1:f155d94d6f3a 168
Mike Fiore 1:f155d94d6f3a 169 return pppConnected;
Mike Fiore 1:f155d94d6f3a 170 }
Mike Fiore 1:f155d94d6f3a 171
Mike Fiore 3:04046eebaef5 172 bool UIP::bind(unsigned int port)
Mike Fiore 1:f155d94d6f3a 173 {
Mike Fiore 1:f155d94d6f3a 174 if(socketOpened) {
Mike Fiore 4:1f63354b8d1b 175 logError("socket is open. Can not set local port");
Mike Fiore 1:f155d94d6f3a 176 return false;
Mike Fiore 1:f155d94d6f3a 177 }
Mike Fiore 1:f155d94d6f3a 178 if(port > 65535) {
Mike Fiore 4:1f63354b8d1b 179 logError("port out of range (0-65535)");
Mike Fiore 1:f155d94d6f3a 180 return false;
Mike Fiore 1:f155d94d6f3a 181 }
Mike Fiore 1:f155d94d6f3a 182 local_port = port;
Mike Fiore 1:f155d94d6f3a 183 return true;
Mike Fiore 1:f155d94d6f3a 184 }
Mike Fiore 1:f155d94d6f3a 185
Mike Fiore 3:04046eebaef5 186 bool UIP::open(const std::string& address, unsigned int port, Mode mode)
Mike Fiore 1:f155d94d6f3a 187 {
Mike Fiore 1:f155d94d6f3a 188 char buffer[256] = {0};
Mike Fiore 1:f155d94d6f3a 189 Code portCode, addressCode;
Mike Fiore 1:f155d94d6f3a 190
Mike Fiore 1:f155d94d6f3a 191 //1) Check that we do not have a live connection up
Mike Fiore 1:f155d94d6f3a 192 if(socketOpened) {
Mike Fiore 1:f155d94d6f3a 193 //Check that the address, port, and mode match
Mike Fiore 1:f155d94d6f3a 194 if(host_address != address || host_port != port || this->mode != mode) {
Mike Fiore 1:f155d94d6f3a 195 if(this->mode == TCP) {
Mike Fiore 4:1f63354b8d1b 196 logError("TCP socket already opened [%s:%d]", host_address.c_str(), host_port);
Mike Fiore 1:f155d94d6f3a 197 } else {
Mike Fiore 4:1f63354b8d1b 198 logError("UDP socket already opened [%s:%d]", host_address.c_str(), host_port);
Mike Fiore 1:f155d94d6f3a 199 }
Mike Fiore 1:f155d94d6f3a 200 return false;
Mike Fiore 1:f155d94d6f3a 201 }
Mike Fiore 1:f155d94d6f3a 202
Mike Fiore 4:1f63354b8d1b 203 logDebug("Socket already opened");
Mike Fiore 1:f155d94d6f3a 204 return true;
Mike Fiore 1:f155d94d6f3a 205 }
Mike Fiore 1:f155d94d6f3a 206
Mike Fiore 1:f155d94d6f3a 207 //2) Check Parameters
Mike Fiore 1:f155d94d6f3a 208 if(port > 65535) {
Mike Fiore 4:1f63354b8d1b 209 logError("port out of range (0-65535)");
Mike Fiore 1:f155d94d6f3a 210 return false;
Mike Fiore 1:f155d94d6f3a 211 }
Mike Fiore 1:f155d94d6f3a 212
Mike Fiore 1:f155d94d6f3a 213 //3) Check PPP connection
Mike Fiore 1:f155d94d6f3a 214 if(!isConnected()) {
Mike Fiore 4:1f63354b8d1b 215 logError("PPP not established. Attempting to connect");
Mike Fiore 1:f155d94d6f3a 216 if(!connect()) {
Mike Fiore 4:1f63354b8d1b 217 logError("PPP connection failed");
Mike Fiore 1:f155d94d6f3a 218 return false;
Mike Fiore 1:f155d94d6f3a 219 } else {
Mike Fiore 4:1f63354b8d1b 220 logDebug("PPP connection established");
Mike Fiore 1:f155d94d6f3a 221 }
Mike Fiore 1:f155d94d6f3a 222 }
Mike Fiore 1:f155d94d6f3a 223
Mike Fiore 1:f155d94d6f3a 224 //Set Local Port
Mike Fiore 1:f155d94d6f3a 225 if(local_port != 0) {
Mike Fiore 1:f155d94d6f3a 226 //Attempt to set local port
Mike Fiore 1:f155d94d6f3a 227 sprintf(buffer, "AT#OUTPORT=%d", local_port);
Mike Fiore 1:f155d94d6f3a 228 Code code = sendBasicCommand(buffer, 1000);
Mike Fiore 1:f155d94d6f3a 229 if(code != SUCCESS) {
Mike Fiore 4:1f63354b8d1b 230 logWarning("Unable to set local port (%d) [%d]", local_port, (int) code);
Mike Fiore 1:f155d94d6f3a 231 }
Mike Fiore 1:f155d94d6f3a 232 }
Mike Fiore 1:f155d94d6f3a 233
Mike Fiore 1:f155d94d6f3a 234 //Set TCP/UDP parameters
Mike Fiore 1:f155d94d6f3a 235 if(mode == TCP) {
Mike Fiore 1:f155d94d6f3a 236 if(socketCloseable) {
Mike Fiore 1:f155d94d6f3a 237 Code code = sendBasicCommand("AT#DLEMODE=1,1", 1000);
Mike Fiore 1:f155d94d6f3a 238 if(code != SUCCESS) {
Mike Fiore 4:1f63354b8d1b 239 logWarning("Unable to set socket closeable [%d]", (int) code);
Mike Fiore 1:f155d94d6f3a 240 }
Mike Fiore 1:f155d94d6f3a 241 }
Mike Fiore 1:f155d94d6f3a 242 sprintf(buffer, "AT#TCPPORT=1,%d", port);
Mike Fiore 1:f155d94d6f3a 243 portCode = sendBasicCommand(buffer, 1000);
Mike Fiore 1:f155d94d6f3a 244 addressCode = sendBasicCommand("AT#TCPSERV=1,\"" + address + "\"", 1000);
Mike Fiore 1:f155d94d6f3a 245 } else {
Mike Fiore 1:f155d94d6f3a 246 if(socketCloseable) {
Mike Fiore 1:f155d94d6f3a 247 Code code = sendBasicCommand("AT#UDPDLEMODE=1", 1000);
Mike Fiore 1:f155d94d6f3a 248 if(code != SUCCESS) {
Mike Fiore 4:1f63354b8d1b 249 logWarning("Unable to set socket closeable [%d]", (int) code);
Mike Fiore 1:f155d94d6f3a 250 }
Mike Fiore 1:f155d94d6f3a 251 }
Mike Fiore 1:f155d94d6f3a 252 sprintf(buffer, "AT#UDPPORT=%d", port);
Mike Fiore 1:f155d94d6f3a 253 portCode = sendBasicCommand(buffer, 1000);
Mike Fiore 1:f155d94d6f3a 254 addressCode = sendBasicCommand("AT#UDPSERV=\"" + address + "\"", 1000);
Mike Fiore 1:f155d94d6f3a 255 }
Mike Fiore 1:f155d94d6f3a 256
Mike Fiore 1:f155d94d6f3a 257 if(portCode == SUCCESS) {
Mike Fiore 1:f155d94d6f3a 258 host_port = port;
Mike Fiore 1:f155d94d6f3a 259 } else {
Mike Fiore 4:1f63354b8d1b 260 logError("Host port could not be set");
Mike Fiore 1:f155d94d6f3a 261 }
Mike Fiore 1:f155d94d6f3a 262
Mike Fiore 1:f155d94d6f3a 263 if(addressCode == SUCCESS) {
Mike Fiore 1:f155d94d6f3a 264 host_address = address;
Mike Fiore 1:f155d94d6f3a 265 } else {
Mike Fiore 4:1f63354b8d1b 266 logError("Host address could not be set");
Mike Fiore 1:f155d94d6f3a 267 }
Mike Fiore 1:f155d94d6f3a 268
Mike Fiore 1:f155d94d6f3a 269 // Try and Connect
Mike Fiore 1:f155d94d6f3a 270 std::string sMode;
Mike Fiore 1:f155d94d6f3a 271 std::string sOpenSocketCmd;
Mike Fiore 1:f155d94d6f3a 272 if(mode == TCP) {
Mike Fiore 1:f155d94d6f3a 273 sOpenSocketCmd = "AT#OTCP=1";
Mike Fiore 1:f155d94d6f3a 274 sMode = "TCP";
Mike Fiore 1:f155d94d6f3a 275 } else {
Mike Fiore 1:f155d94d6f3a 276 sOpenSocketCmd = "AT#OUDP";
Mike Fiore 1:f155d94d6f3a 277 sMode = "UDP";
Mike Fiore 1:f155d94d6f3a 278 }
Mike Fiore 1:f155d94d6f3a 279
Mike Fiore 1:f155d94d6f3a 280 string response = sendCommand(sOpenSocketCmd, 30000);
Mike Fiore 1:f155d94d6f3a 281 if (response.find("Ok_Info_WaitingForData") != string::npos) {
Mike Fiore 4:1f63354b8d1b 282 logInfo("Opened %s Socket [%s:%d]", sMode.c_str(), address.c_str(), port);
Mike Fiore 1:f155d94d6f3a 283 socketOpened = true;
Mike Fiore 1:f155d94d6f3a 284 } else {
Mike Fiore 4:1f63354b8d1b 285 logWarning("Unable to open %s Socket [%s:%d]", sMode.c_str(), address.c_str(), port);
Mike Fiore 1:f155d94d6f3a 286 socketOpened = false;
Mike Fiore 1:f155d94d6f3a 287 }
Mike Fiore 1:f155d94d6f3a 288
Mike Fiore 1:f155d94d6f3a 289 return socketOpened;
Mike Fiore 1:f155d94d6f3a 290 }
Mike Fiore 1:f155d94d6f3a 291
Mike Fiore 3:04046eebaef5 292 bool UIP::isOpen()
Mike Fiore 1:f155d94d6f3a 293 {
Mike Fiore 1:f155d94d6f3a 294 if(io->readable()) {
Mike Fiore 4:1f63354b8d1b 295 logDebug("Assuming open, data available to read.\n\r");
Mike Fiore 1:f155d94d6f3a 296 return true;
Mike Fiore 1:f155d94d6f3a 297 }
Mike Fiore 1:f155d94d6f3a 298 return socketOpened;
Mike Fiore 1:f155d94d6f3a 299 }
Mike Fiore 1:f155d94d6f3a 300
Mike Fiore 3:04046eebaef5 301 bool UIP::close()
Mike Fiore 1:f155d94d6f3a 302 {
Mike Fiore 1:f155d94d6f3a 303 if(io == NULL) {
Mike Fiore 4:1f63354b8d1b 304 logError("MTSBufferedIO not set");
Mike Fiore 1:f155d94d6f3a 305 return false;
Mike Fiore 1:f155d94d6f3a 306 }
Mike Fiore 1:f155d94d6f3a 307
Mike Fiore 1:f155d94d6f3a 308 if(!socketOpened) {
Mike Fiore 4:1f63354b8d1b 309 logWarning("Socket close() called, but socket was not open");
Mike Fiore 1:f155d94d6f3a 310 return true;
Mike Fiore 1:f155d94d6f3a 311 }
Mike Fiore 1:f155d94d6f3a 312
Mike Fiore 1:f155d94d6f3a 313 if(!socketCloseable) {
Mike Fiore 4:1f63354b8d1b 314 logError("Socket is not closeable");
Mike Fiore 1:f155d94d6f3a 315 return false;
Mike Fiore 1:f155d94d6f3a 316 }
Mike Fiore 1:f155d94d6f3a 317
Mike Fiore 1:f155d94d6f3a 318
Mike Fiore 1:f155d94d6f3a 319
Mike Fiore 1:f155d94d6f3a 320 if(io->write(ETX, 1000) != 1) {
Mike Fiore 4:1f63354b8d1b 321 logError("Timed out attempting to close socket");
Mike Fiore 1:f155d94d6f3a 322 return false;
Mike Fiore 1:f155d94d6f3a 323 }
Mike Fiore 1:f155d94d6f3a 324
Mike Fiore 1:f155d94d6f3a 325 Timer tmr;
Mike Fiore 1:f155d94d6f3a 326 int counter = 0;
Mike Fiore 1:f155d94d6f3a 327 char tmp[256];
Mike Fiore 1:f155d94d6f3a 328 tmr.start();
Mike Fiore 1:f155d94d6f3a 329 do {
Mike Fiore 1:f155d94d6f3a 330 if(socketOpened == false) {
Mike Fiore 1:f155d94d6f3a 331 break;
Mike Fiore 1:f155d94d6f3a 332 }
Mike Fiore 1:f155d94d6f3a 333 read(tmp, 256, 1000);
Mike Fiore 1:f155d94d6f3a 334 } while(counter++ < 10);
Mike Fiore 1:f155d94d6f3a 335
Mike Fiore 1:f155d94d6f3a 336 io->rxClear();
Mike Fiore 1:f155d94d6f3a 337 io->txClear();
Mike Fiore 1:f155d94d6f3a 338
Mike Fiore 1:f155d94d6f3a 339 socketOpened = false;
Mike Fiore 1:f155d94d6f3a 340 return true;
Mike Fiore 1:f155d94d6f3a 341 }
Mike Fiore 1:f155d94d6f3a 342
Mike Fiore 3:04046eebaef5 343 int UIP::read(char* data, int max, int timeout)
Mike Fiore 1:f155d94d6f3a 344 {
Mike Fiore 1:f155d94d6f3a 345 if(io == NULL) {
Mike Fiore 4:1f63354b8d1b 346 logError("MTSBufferedIO not set");
Mike Fiore 1:f155d94d6f3a 347 return -1;
Mike Fiore 1:f155d94d6f3a 348 }
Mike Fiore 1:f155d94d6f3a 349
Mike Fiore 1:f155d94d6f3a 350 //Check that nothing is in the rx buffer
Mike Fiore 1:f155d94d6f3a 351 if(!socketOpened && !io->readable()) {
Mike Fiore 4:1f63354b8d1b 352 logError("Socket is not open");
Mike Fiore 1:f155d94d6f3a 353 return -1;
Mike Fiore 1:f155d94d6f3a 354 }
Mike Fiore 1:f155d94d6f3a 355
Mike Fiore 1:f155d94d6f3a 356 int bytesRead = 0;
Mike Fiore 1:f155d94d6f3a 357
Mike Fiore 1:f155d94d6f3a 358 if(timeout >= 0) {
Mike Fiore 1:f155d94d6f3a 359 bytesRead = io->read(data, max, static_cast<unsigned int>(timeout));
Mike Fiore 1:f155d94d6f3a 360 } else {
Mike Fiore 1:f155d94d6f3a 361 bytesRead = io->read(data, max);
Mike Fiore 1:f155d94d6f3a 362 }
Mike Fiore 1:f155d94d6f3a 363
Mike Fiore 1:f155d94d6f3a 364 if(bytesRead > 0 && socketCloseable) {
Mike Fiore 1:f155d94d6f3a 365 //Remove escape characters
Mike Fiore 1:f155d94d6f3a 366 int index = 0;
Mike Fiore 1:f155d94d6f3a 367 bool escapeFlag = false;
Mike Fiore 1:f155d94d6f3a 368 for(int i = 0; i < bytesRead; i++) {
Mike Fiore 1:f155d94d6f3a 369 if(data[i] == DLE || data[i] == ETX) {
Mike Fiore 1:f155d94d6f3a 370 if(escapeFlag == true) {
Mike Fiore 1:f155d94d6f3a 371 //This character has been escaped
Mike Fiore 1:f155d94d6f3a 372 escapeFlag = false;
Mike Fiore 1:f155d94d6f3a 373 } else if(data[bytesRead] == DLE) {
Mike Fiore 1:f155d94d6f3a 374 //Found escape character
Mike Fiore 1:f155d94d6f3a 375 escapeFlag = true;
Mike Fiore 1:f155d94d6f3a 376 continue;
Mike Fiore 1:f155d94d6f3a 377 } else {
Mike Fiore 1:f155d94d6f3a 378 //ETX sent without escape -> Socket closed
Mike Fiore 4:1f63354b8d1b 379 logInfo("Read ETX character without DLE escape. Socket closed");
Mike Fiore 1:f155d94d6f3a 380 socketOpened = false;
Mike Fiore 1:f155d94d6f3a 381 continue;
Mike Fiore 1:f155d94d6f3a 382 }
Mike Fiore 1:f155d94d6f3a 383 }
Mike Fiore 1:f155d94d6f3a 384
Mike Fiore 1:f155d94d6f3a 385 if(index != i) {
Mike Fiore 1:f155d94d6f3a 386 data[index] = data[i];
Mike Fiore 1:f155d94d6f3a 387 }
Mike Fiore 1:f155d94d6f3a 388 index++;
Mike Fiore 1:f155d94d6f3a 389 }
Mike Fiore 1:f155d94d6f3a 390 bytesRead = index;
Mike Fiore 1:f155d94d6f3a 391 }
Mike Fiore 1:f155d94d6f3a 392
Mike Fiore 1:f155d94d6f3a 393 //Scan for socket closed message
Mike Fiore 1:f155d94d6f3a 394 for(size_t i = 0; i < bytesRead; i++) {
Mike Fiore 1:f155d94d6f3a 395 if(data[i] == 'O') {
Mike Fiore 1:f155d94d6f3a 396 if(strstr(&data[i], "Ok_Info_SocketClosed")) {
Mike Fiore 4:1f63354b8d1b 397 logInfo("Found socket closed message. Socket closed");
Mike Fiore 1:f155d94d6f3a 398 //Close socket and Cut Off End of Message
Mike Fiore 1:f155d94d6f3a 399 socketOpened = false;
Mike Fiore 1:f155d94d6f3a 400 data[i] = '\0';
Mike Fiore 1:f155d94d6f3a 401 bytesRead = i;
Mike Fiore 1:f155d94d6f3a 402 break;
Mike Fiore 1:f155d94d6f3a 403 }
Mike Fiore 1:f155d94d6f3a 404 }
Mike Fiore 1:f155d94d6f3a 405 }
Mike Fiore 1:f155d94d6f3a 406 return bytesRead;
Mike Fiore 1:f155d94d6f3a 407 }
Mike Fiore 1:f155d94d6f3a 408
Mike Fiore 3:04046eebaef5 409 int UIP::write(const char* data, int length, int timeout)
Mike Fiore 1:f155d94d6f3a 410 {
Mike Fiore 1:f155d94d6f3a 411 if(io == NULL) {
Mike Fiore 4:1f63354b8d1b 412 logError("MTSBufferedIO not set");
Mike Fiore 1:f155d94d6f3a 413 return -1;
Mike Fiore 1:f155d94d6f3a 414 }
Mike Fiore 1:f155d94d6f3a 415
Mike Fiore 1:f155d94d6f3a 416 if(!socketOpened) {
Mike Fiore 4:1f63354b8d1b 417 logError("Socket is not open");
Mike Fiore 1:f155d94d6f3a 418 return -1;
Mike Fiore 1:f155d94d6f3a 419 }
Mike Fiore 1:f155d94d6f3a 420
Mike Fiore 1:f155d94d6f3a 421 //In order to avoid allocating another buffer, capture indices of
Mike Fiore 1:f155d94d6f3a 422 //characters to escape during write
Mike Fiore 1:f155d94d6f3a 423 int specialWritten = 0;
Mike Fiore 1:f155d94d6f3a 424 std::vector<int> vSpecial;
Mike Fiore 1:f155d94d6f3a 425 if(socketCloseable) {
Mike Fiore 1:f155d94d6f3a 426 for(int i = 0; i < length; i++) {
Mike Fiore 1:f155d94d6f3a 427 if(data[i] == ETX || data[i] == DLE) {
Mike Fiore 1:f155d94d6f3a 428 //Push back index of special characters
Mike Fiore 1:f155d94d6f3a 429 vSpecial.push_back(i);
Mike Fiore 1:f155d94d6f3a 430 }
Mike Fiore 1:f155d94d6f3a 431 }
Mike Fiore 1:f155d94d6f3a 432 }
Mike Fiore 1:f155d94d6f3a 433
Mike Fiore 1:f155d94d6f3a 434 int bytesWritten = 0;
Mike Fiore 1:f155d94d6f3a 435 if(timeout >= 0) {
Mike Fiore 1:f155d94d6f3a 436 Timer tmr;
Mike Fiore 1:f155d94d6f3a 437 tmr.start();
Mike Fiore 1:f155d94d6f3a 438 do {
Mike Fiore 1:f155d94d6f3a 439 int available = io->writeable();
Mike Fiore 1:f155d94d6f3a 440 if (available > 0) {
Mike Fiore 1:f155d94d6f3a 441 if(specialWritten < vSpecial.size()) {
Mike Fiore 1:f155d94d6f3a 442 //Check if current index is at a special character
Mike Fiore 1:f155d94d6f3a 443 if(bytesWritten == vSpecial[specialWritten]) {
Mike Fiore 1:f155d94d6f3a 444 if(available < 2) {
Mike Fiore 1:f155d94d6f3a 445 //Requires at least two bytes of space
Mike Fiore 1:f155d94d6f3a 446 wait(0.05);
Mike Fiore 1:f155d94d6f3a 447 continue;
Mike Fiore 1:f155d94d6f3a 448 }
Mike Fiore 1:f155d94d6f3a 449 //Ready to write special character
Mike Fiore 1:f155d94d6f3a 450 if(io->write(DLE)) {
Mike Fiore 1:f155d94d6f3a 451 specialWritten++;
Mike Fiore 1:f155d94d6f3a 452 if(io->write(data[bytesWritten])) {
Mike Fiore 1:f155d94d6f3a 453 bytesWritten++;
Mike Fiore 1:f155d94d6f3a 454 }
Mike Fiore 1:f155d94d6f3a 455 } else {
Mike Fiore 1:f155d94d6f3a 456 //Unable to write escape character, try again next round
Mike Fiore 1:f155d94d6f3a 457 wait(0.05);
Mike Fiore 1:f155d94d6f3a 458 }
Mike Fiore 1:f155d94d6f3a 459 } else {
Mike Fiore 1:f155d94d6f3a 460 //We want to write all the way up to the next special character
Mike Fiore 1:f155d94d6f3a 461 int relativeIndex = vSpecial[specialWritten] - bytesWritten;
Mike Fiore 1:f155d94d6f3a 462 int size = MIN(available, relativeIndex);
Mike Fiore 1:f155d94d6f3a 463 bytesWritten += io->write(&data[bytesWritten], size);
Mike Fiore 1:f155d94d6f3a 464 }
Mike Fiore 1:f155d94d6f3a 465 } else {
Mike Fiore 1:f155d94d6f3a 466 int size = MIN(available, length - bytesWritten);
Mike Fiore 1:f155d94d6f3a 467 bytesWritten += io->write(&data[bytesWritten], size);
Mike Fiore 1:f155d94d6f3a 468 }
Mike Fiore 1:f155d94d6f3a 469 } else {
Mike Fiore 1:f155d94d6f3a 470 wait(0.05);
Mike Fiore 1:f155d94d6f3a 471 }
Mike Fiore 1:f155d94d6f3a 472 } while (tmr.read_ms() <= timeout && bytesWritten < length);
Mike Fiore 1:f155d94d6f3a 473 } else {
Mike Fiore 1:f155d94d6f3a 474 for(int i = 0; i < vSpecial.size(); i++) {
Mike Fiore 1:f155d94d6f3a 475 //Write up to the special character, then write the special character
Mike Fiore 1:f155d94d6f3a 476 int size = vSpecial[i] - bytesWritten;
Mike Fiore 1:f155d94d6f3a 477 int currentWritten = io->write(&data[bytesWritten], size);
Mike Fiore 1:f155d94d6f3a 478 bytesWritten += currentWritten;
Mike Fiore 1:f155d94d6f3a 479 if(currentWritten != size) {
Mike Fiore 1:f155d94d6f3a 480 //Failed to write up to the special character.
Mike Fiore 1:f155d94d6f3a 481 return bytesWritten;
Mike Fiore 1:f155d94d6f3a 482 }
Mike Fiore 1:f155d94d6f3a 483 if(io->write(DLE) && io->write(data[bytesWritten])) {
Mike Fiore 1:f155d94d6f3a 484 bytesWritten++;
Mike Fiore 1:f155d94d6f3a 485 } else {
Mike Fiore 1:f155d94d6f3a 486 //Failed to write the special character.
Mike Fiore 1:f155d94d6f3a 487 return bytesWritten;
Mike Fiore 1:f155d94d6f3a 488 }
Mike Fiore 1:f155d94d6f3a 489 }
Mike Fiore 1:f155d94d6f3a 490
Mike Fiore 1:f155d94d6f3a 491 bytesWritten = io->write(&data[bytesWritten], length - bytesWritten);
Mike Fiore 1:f155d94d6f3a 492 }
Mike Fiore 1:f155d94d6f3a 493
Mike Fiore 1:f155d94d6f3a 494 return bytesWritten;
Mike Fiore 1:f155d94d6f3a 495 }
Mike Fiore 1:f155d94d6f3a 496
Mike Fiore 3:04046eebaef5 497 unsigned int UIP::readable()
Mike Fiore 1:f155d94d6f3a 498 {
Mike Fiore 1:f155d94d6f3a 499 if(io == NULL) {
Mike Fiore 4:1f63354b8d1b 500 logWarning("MTSBufferedIO not set");
Mike Fiore 1:f155d94d6f3a 501 return 0;
Mike Fiore 1:f155d94d6f3a 502 }
Mike Fiore 1:f155d94d6f3a 503 if(!socketOpened && !io->readable()) {
Mike Fiore 4:1f63354b8d1b 504 logWarning("Socket is not open");
Mike Fiore 1:f155d94d6f3a 505 return 0;
Mike Fiore 1:f155d94d6f3a 506 }
Mike Fiore 1:f155d94d6f3a 507 return io->readable();
Mike Fiore 1:f155d94d6f3a 508 }
Mike Fiore 1:f155d94d6f3a 509
Mike Fiore 3:04046eebaef5 510 unsigned int UIP::writeable()
Mike Fiore 1:f155d94d6f3a 511 {
Mike Fiore 1:f155d94d6f3a 512 if(io == NULL) {
Mike Fiore 4:1f63354b8d1b 513 logWarning("MTSBufferedIO not set");
Mike Fiore 1:f155d94d6f3a 514 return 0;
Mike Fiore 1:f155d94d6f3a 515 }
Mike Fiore 1:f155d94d6f3a 516 if(!socketOpened) {
Mike Fiore 4:1f63354b8d1b 517 logWarning("Socket is not open");
Mike Fiore 1:f155d94d6f3a 518 return 0;
Mike Fiore 1:f155d94d6f3a 519 }
Mike Fiore 1:f155d94d6f3a 520
Mike Fiore 1:f155d94d6f3a 521 return io->writeable();
Mike Fiore 1:f155d94d6f3a 522 }
Mike Fiore 1:f155d94d6f3a 523
Mike Fiore 3:04046eebaef5 524 bool UIP::setDeviceIP(std::string address)
Mike Fiore 1:f155d94d6f3a 525 {
Mike Fiore 1:f155d94d6f3a 526 if (address.compare("DHCP") == 0) {
Mike Fiore 1:f155d94d6f3a 527 return true;
Mike Fiore 1:f155d94d6f3a 528 } else {
Mike Fiore 4:1f63354b8d1b 529 logWarning("Radio does not support static IPs, using DHCP.\n\r");
Mike Fiore 1:f155d94d6f3a 530 return false;
Mike Fiore 1:f155d94d6f3a 531 }
Mike Fiore 1:f155d94d6f3a 532 }
Mike Fiore 1:f155d94d6f3a 533
Mike Fiore 3:04046eebaef5 534 void UIP::reset()
Mike Fiore 1:f155d94d6f3a 535 {
Mike Fiore 1:f155d94d6f3a 536 disconnect();
Mike Fiore 1:f155d94d6f3a 537 Code code = sendBasicCommand("AT#RESET=0", 10000);
Mike Fiore 1:f155d94d6f3a 538 if(code != SUCCESS) {
Mike Fiore 4:1f63354b8d1b 539 logError("Socket Modem did not accept RESET command\n\r");
Mike Fiore 1:f155d94d6f3a 540 } else {
Mike Fiore 4:1f63354b8d1b 541 logWarning("Socket Modem is resetting, allow 30 seconds for it to come back\n\r");
Mike Fiore 1:f155d94d6f3a 542 }
Mike Fiore 1:f155d94d6f3a 543 }
Mike Fiore 1:f155d94d6f3a 544
Mike Fiore 3:04046eebaef5 545 std::string UIP::getDeviceIP()
Mike Fiore 1:f155d94d6f3a 546 {
Mike Fiore 1:f155d94d6f3a 547 return local_address;
Mike Fiore 1:f155d94d6f3a 548 }
Mike Fiore 1:f155d94d6f3a 549
Mike Fiore 3:04046eebaef5 550 Code UIP::echo(bool state)
Mike Fiore 1:f155d94d6f3a 551 {
Mike Fiore 1:f155d94d6f3a 552 Code code;
Mike Fiore 1:f155d94d6f3a 553 if (state) {
Mike Fiore 1:f155d94d6f3a 554 code = sendBasicCommand("ATE0", 1000);
Mike Fiore 1:f155d94d6f3a 555 echoMode = (code == SUCCESS) ? false : echoMode;
Mike Fiore 1:f155d94d6f3a 556 } else {
Mike Fiore 1:f155d94d6f3a 557 code = sendBasicCommand("ATE1", 1000);
Mike Fiore 1:f155d94d6f3a 558 echoMode = (code == SUCCESS) ? true : echoMode;
Mike Fiore 1:f155d94d6f3a 559 }
Mike Fiore 1:f155d94d6f3a 560 return code;
Mike Fiore 1:f155d94d6f3a 561 }
Mike Fiore 1:f155d94d6f3a 562
Mike Fiore 3:04046eebaef5 563 bool UIP::ping(const std::string& address)
Mike Fiore 1:f155d94d6f3a 564 {
Mike Fiore 1:f155d94d6f3a 565 char buffer[256] = {0};
Mike Fiore 1:f155d94d6f3a 566 Code code;
Mike Fiore 1:f155d94d6f3a 567
Mike Fiore 1:f155d94d6f3a 568 code = sendBasicCommand("AT#PINGREMOTE=\"" + address + "\"", 1000);
Mike Fiore 1:f155d94d6f3a 569 if (code != SUCCESS) {
Mike Fiore 1:f155d94d6f3a 570 return false;
Mike Fiore 1:f155d94d6f3a 571 }
Mike Fiore 1:f155d94d6f3a 572
Mike Fiore 1:f155d94d6f3a 573 sprintf(buffer, "AT#PINGNUM=%d", 1);
Mike Fiore 1:f155d94d6f3a 574 code = sendBasicCommand(buffer , 1000);
Mike Fiore 1:f155d94d6f3a 575 if (code != SUCCESS) {
Mike Fiore 1:f155d94d6f3a 576 return false;
Mike Fiore 1:f155d94d6f3a 577 }
Mike Fiore 1:f155d94d6f3a 578
Mike Fiore 1:f155d94d6f3a 579 sprintf(buffer, "AT#PINGDELAY=%d", PINGDELAY);
Mike Fiore 1:f155d94d6f3a 580 code = sendBasicCommand(buffer , 1000);
Mike Fiore 1:f155d94d6f3a 581 if (code != SUCCESS) {
Mike Fiore 1:f155d94d6f3a 582 return false;
Mike Fiore 1:f155d94d6f3a 583 }
Mike Fiore 1:f155d94d6f3a 584
Mike Fiore 1:f155d94d6f3a 585 std::string response;
Mike Fiore 1:f155d94d6f3a 586 for (int i = 0; i < PINGNUM; i++) {
Mike Fiore 1:f155d94d6f3a 587 response = sendCommand("AT#PING", PINGDELAY * 1000);
Mike Fiore 1:f155d94d6f3a 588 if (response.find("alive") != std::string::npos) {
Mike Fiore 1:f155d94d6f3a 589 return true;
Mike Fiore 1:f155d94d6f3a 590 }
Mike Fiore 1:f155d94d6f3a 591 }
Mike Fiore 1:f155d94d6f3a 592 return false;
Mike Fiore 1:f155d94d6f3a 593 }
Mike Fiore 1:f155d94d6f3a 594
Mike Fiore 3:04046eebaef5 595 Code UIP::setSocketCloseable(bool enabled)
Mike Fiore 1:f155d94d6f3a 596 {
Mike Fiore 1:f155d94d6f3a 597 if(socketCloseable == enabled) {
Mike Fiore 1:f155d94d6f3a 598 return SUCCESS;
Mike Fiore 1:f155d94d6f3a 599 }
Mike Fiore 1:f155d94d6f3a 600
Mike Fiore 1:f155d94d6f3a 601 if(socketOpened) {
Mike Fiore 4:1f63354b8d1b 602 logError("socket is already opened. Can not set closeable");
Mike Fiore 1:f155d94d6f3a 603 return ERROR;
Mike Fiore 1:f155d94d6f3a 604 }
Mike Fiore 1:f155d94d6f3a 605
Mike Fiore 1:f155d94d6f3a 606 socketCloseable = enabled;
Mike Fiore 1:f155d94d6f3a 607
Mike Fiore 1:f155d94d6f3a 608 return SUCCESS;
Mike Fiore 1:f155d94d6f3a 609 }