A library for talking to Multi-Tech's Cellular SocketModem Devices.
Dependents: M2X_dev axeda_wrapper_dev MTS_M2x_Example1 MTS_Cellular_Connect_Example ... more
cellular/Cellular.cpp@17:2d7c4ea7491b, 2013-12-16 (annotated)
- Committer:
- sgodinez
- Date:
- Mon Dec 16 20:00:20 2013 +0000
- Revision:
- 17:2d7c4ea7491b
- Parent:
- 13:0af863114629
- Child:
- 19:38794784e009
TCP send / receive working. close() still requires some finesse when other end disconnects.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jengbrecht | 0:563b70517320 | 1 | #ifndef CELLULAR_CPP |
jengbrecht | 0:563b70517320 | 2 | #define CELLULAR_CPP |
jengbrecht | 0:563b70517320 | 3 | |
jengbrecht | 0:563b70517320 | 4 | #include "Cellular.h" |
sgodinez | 4:6561c9128c6f | 5 | #include "MTSText.h" |
jengbrecht | 0:563b70517320 | 6 | |
sgodinez | 11:134435d8a2d5 | 7 | Cellular::Cellular(MTSBufferedIO& io) |
sgodinez | 11:134435d8a2d5 | 8 | : io(io) |
sgodinez | 13:0af863114629 | 9 | , echoMode(true) |
sgodinez | 11:134435d8a2d5 | 10 | , pppConnected(false) |
sgodinez | 11:134435d8a2d5 | 11 | , mode(TCP) |
sgodinez | 11:134435d8a2d5 | 12 | , socketOpened(false) |
sgodinez | 17:2d7c4ea7491b | 13 | , socketCloseable(false) |
sgodinez | 11:134435d8a2d5 | 14 | , local_port(0) |
sgodinez | 11:134435d8a2d5 | 15 | , host_port(0) |
jengbrecht | 0:563b70517320 | 16 | { |
jengbrecht | 0:563b70517320 | 17 | } |
jengbrecht | 0:563b70517320 | 18 | |
jengbrecht | 0:563b70517320 | 19 | Cellular::~Cellular() |
jengbrecht | 0:563b70517320 | 20 | { |
jengbrecht | 0:563b70517320 | 21 | } |
jengbrecht | 0:563b70517320 | 22 | |
sgodinez | 11:134435d8a2d5 | 23 | bool Cellular::connect() { |
sgodinez | 13:0af863114629 | 24 | //Check if socket is open |
sgodinez | 13:0af863114629 | 25 | if(socketOpened) { |
sgodinez | 13:0af863114629 | 26 | return true; |
sgodinez | 13:0af863114629 | 27 | } |
sgodinez | 13:0af863114629 | 28 | |
sgodinez | 11:134435d8a2d5 | 29 | //Run Test first to validate a good state |
sgodinez | 13:0af863114629 | 30 | if(isConnected()) { |
sgodinez | 13:0af863114629 | 31 | return true; |
sgodinez | 13:0af863114629 | 32 | } |
sgodinez | 13:0af863114629 | 33 | |
sgodinez | 11:134435d8a2d5 | 34 | //Check RSSI: AT+CSQ |
sgodinez | 13:0af863114629 | 35 | int rssi = getSignalStrength(); |
sgodinez | 17:2d7c4ea7491b | 36 | printf("[DEBUG] Signal strength: %d\r\n", rssi); |
sgodinez | 13:0af863114629 | 37 | |
sgodinez | 11:134435d8a2d5 | 38 | //Check Registration: AT+CREG? == 0,1 |
sgodinez | 13:0af863114629 | 39 | Registration registration = getRegistration(); |
sgodinez | 13:0af863114629 | 40 | if(registration != REGISTERED) { |
sgodinez | 17:2d7c4ea7491b | 41 | printf("[WARNING] Not Registered [%d]\r\n", (int)registration); |
sgodinez | 13:0af863114629 | 42 | } |
sgodinez | 11:134435d8a2d5 | 43 | |
sgodinez | 11:134435d8a2d5 | 44 | //AT#CONNECTIONSTART: Make a PPP connection |
sgodinez | 17:2d7c4ea7491b | 45 | printf("[DEBUG] Making PPP Connection Attempt. APN[%s]\r\n", apn.c_str()); |
sgodinez | 13:0af863114629 | 46 | std::string pppResult = sendCommand("AT#CONNECTIONSTART", 120000); |
sgodinez | 17:2d7c4ea7491b | 47 | std::vector<std::string> parts = Text::split(pppResult, "\r\n"); |
sgodinez | 13:0af863114629 | 48 | |
sgodinez | 17:2d7c4ea7491b | 49 | //printf("[DEBUG] PPP CONNECT RESULT [%s]\r\n", pppResult.c_str()); |
sgodinez | 17:2d7c4ea7491b | 50 | // for(uint32_t i = 0; i < parts.size(); i++) { |
sgodinez | 17:2d7c4ea7491b | 51 | // printf("[%d] [%s]\r\n", i, parts[i].c_str()); |
sgodinez | 17:2d7c4ea7491b | 52 | // } |
sgodinez | 13:0af863114629 | 53 | |
sgodinez | 13:0af863114629 | 54 | if(pppResult.find("Ok_Info_GprsActivation") != std::string::npos) { |
sgodinez | 13:0af863114629 | 55 | if(parts.size() >= 2) { |
sgodinez | 13:0af863114629 | 56 | local_address = parts[1]; |
sgodinez | 13:0af863114629 | 57 | } |
sgodinez | 17:2d7c4ea7491b | 58 | printf("[INFO] PPP Connection Established: IP[%s]\r\n", local_address.c_str()); |
sgodinez | 13:0af863114629 | 59 | pppConnected = true; |
sgodinez | 13:0af863114629 | 60 | |
sgodinez | 13:0af863114629 | 61 | } else { |
sgodinez | 13:0af863114629 | 62 | pppConnected = false; |
sgodinez | 13:0af863114629 | 63 | } |
sgodinez | 11:134435d8a2d5 | 64 | |
sgodinez | 13:0af863114629 | 65 | return pppConnected; |
sgodinez | 11:134435d8a2d5 | 66 | } |
sgodinez | 11:134435d8a2d5 | 67 | |
sgodinez | 11:134435d8a2d5 | 68 | void Cellular::disconnect() { |
sgodinez | 17:2d7c4ea7491b | 69 | //AT#CONNECTIONSTOP: Close a PPP connection |
sgodinez | 17:2d7c4ea7491b | 70 | printf("[DEBUG] Closing PPP Connection\r\n"); |
sgodinez | 11:134435d8a2d5 | 71 | |
sgodinez | 17:2d7c4ea7491b | 72 | if(socketOpened) { |
sgodinez | 17:2d7c4ea7491b | 73 | close(); |
sgodinez | 17:2d7c4ea7491b | 74 | } |
sgodinez | 17:2d7c4ea7491b | 75 | |
sgodinez | 17:2d7c4ea7491b | 76 | Code code = sendBasicCommand("AT#CONNECTIONSTOP", 10000); |
sgodinez | 17:2d7c4ea7491b | 77 | if(code == OK) { |
sgodinez | 17:2d7c4ea7491b | 78 | printf("[DEBUG] Successfully closed PPP Connection\r\n"); |
sgodinez | 17:2d7c4ea7491b | 79 | } else { |
sgodinez | 17:2d7c4ea7491b | 80 | printf("[ERROR] Closing PPP Connection [%d]. Continuing ...\r\n", (int)code); |
sgodinez | 17:2d7c4ea7491b | 81 | } |
sgodinez | 17:2d7c4ea7491b | 82 | |
sgodinez | 17:2d7c4ea7491b | 83 | pppConnected = false; |
sgodinez | 11:134435d8a2d5 | 84 | } |
sgodinez | 11:134435d8a2d5 | 85 | |
sgodinez | 11:134435d8a2d5 | 86 | bool Cellular::isConnected() { |
sgodinez | 11:134435d8a2d5 | 87 | //1) Check if APN was set |
sgodinez | 11:134435d8a2d5 | 88 | if(apn.size() == 0) { |
sgodinez | 17:2d7c4ea7491b | 89 | printf("[DEBUG] APN is not set\r\n"); |
sgodinez | 11:134435d8a2d5 | 90 | return false; |
sgodinez | 11:134435d8a2d5 | 91 | } |
sgodinez | 11:134435d8a2d5 | 92 | |
sgodinez | 11:134435d8a2d5 | 93 | //1) Check that we do not have a live connection up |
sgodinez | 11:134435d8a2d5 | 94 | if(socketOpened) { |
sgodinez | 17:2d7c4ea7491b | 95 | printf("[DEBUG] Socket is opened\r\n"); |
sgodinez | 11:134435d8a2d5 | 96 | return true; |
sgodinez | 11:134435d8a2d5 | 97 | } |
sgodinez | 11:134435d8a2d5 | 98 | //2) Query the radio |
sgodinez | 11:134435d8a2d5 | 99 | pppConnected = false; |
sgodinez | 11:134435d8a2d5 | 100 | std::string result = sendCommand("AT#VSTATE", 1000); |
sgodinez | 11:134435d8a2d5 | 101 | if(result.find("CONNECTED") != std::string::npos) { |
sgodinez | 11:134435d8a2d5 | 102 | pppConnected = true; |
sgodinez | 11:134435d8a2d5 | 103 | } |
sgodinez | 11:134435d8a2d5 | 104 | |
sgodinez | 11:134435d8a2d5 | 105 | return pppConnected; |
sgodinez | 11:134435d8a2d5 | 106 | } |
sgodinez | 11:134435d8a2d5 | 107 | |
sgodinez | 11:134435d8a2d5 | 108 | bool Cellular::bind(unsigned int port) { |
sgodinez | 11:134435d8a2d5 | 109 | return false; |
sgodinez | 11:134435d8a2d5 | 110 | } |
sgodinez | 11:134435d8a2d5 | 111 | |
sgodinez | 11:134435d8a2d5 | 112 | bool Cellular::open(const std::string& address, unsigned int port, Mode mode) { |
sgodinez | 17:2d7c4ea7491b | 113 | char buffer[256] = {0}; |
sgodinez | 11:134435d8a2d5 | 114 | Code portCode, addressCode; |
sgodinez | 17:2d7c4ea7491b | 115 | printf("[DEBUG] Attempting to Open Socket\r\n"); |
sgodinez | 11:134435d8a2d5 | 116 | |
sgodinez | 11:134435d8a2d5 | 117 | //1) Check that we do not have a live connection up |
sgodinez | 11:134435d8a2d5 | 118 | if(socketOpened) { |
sgodinez | 17:2d7c4ea7491b | 119 | printf("[DEBUG] Socket already opened\r\n"); |
sgodinez | 11:134435d8a2d5 | 120 | return true; |
sgodinez | 11:134435d8a2d5 | 121 | } |
sgodinez | 11:134435d8a2d5 | 122 | |
sgodinez | 11:134435d8a2d5 | 123 | //2) Check PPP connection |
sgodinez | 11:134435d8a2d5 | 124 | if(!isConnected()) { |
sgodinez | 17:2d7c4ea7491b | 125 | printf("[ERROR] PPP not established. Attempting to connect\r\n"); |
sgodinez | 11:134435d8a2d5 | 126 | if(!connect()) { |
sgodinez | 17:2d7c4ea7491b | 127 | printf("[ERROR] PPP connection failed\r\n"); |
sgodinez | 11:134435d8a2d5 | 128 | return false; |
sgodinez | 11:134435d8a2d5 | 129 | } else { |
sgodinez | 17:2d7c4ea7491b | 130 | printf("[DEBUG] PPP connection established\r\n"); |
sgodinez | 11:134435d8a2d5 | 131 | } |
sgodinez | 11:134435d8a2d5 | 132 | } |
sgodinez | 11:134435d8a2d5 | 133 | |
sgodinez | 17:2d7c4ea7491b | 134 | ////Setup IP Connection |
sgodinez | 11:134435d8a2d5 | 135 | if(mode == TCP) { |
sgodinez | 17:2d7c4ea7491b | 136 | if(socketCloseable) { |
sgodinez | 17:2d7c4ea7491b | 137 | Code code = sendBasicCommand("AT#DLEMODE=1,0", 1000); |
sgodinez | 17:2d7c4ea7491b | 138 | if(code != OK) { |
sgodinez | 17:2d7c4ea7491b | 139 | printf("[WARNING] Unable to set socket closeable [%d]\r\n", (int) code); |
sgodinez | 17:2d7c4ea7491b | 140 | } |
sgodinez | 17:2d7c4ea7491b | 141 | } |
sgodinez | 17:2d7c4ea7491b | 142 | sprintf(buffer, "AT#TCPPORT=1,%d", port); |
sgodinez | 17:2d7c4ea7491b | 143 | portCode = sendBasicCommand(buffer, 1000); |
sgodinez | 17:2d7c4ea7491b | 144 | addressCode = sendBasicCommand("AT#TCPSERV=1,\"" + address + "\"", 1000); |
sgodinez | 11:134435d8a2d5 | 145 | } else { |
sgodinez | 17:2d7c4ea7491b | 146 | if(socketCloseable) { |
sgodinez | 17:2d7c4ea7491b | 147 | Code code = sendBasicCommand("AT#UDPDLEMODE=1", 1000); |
sgodinez | 17:2d7c4ea7491b | 148 | if(code != OK) { |
sgodinez | 17:2d7c4ea7491b | 149 | printf("[WARNING] Unable to set socket closeable [%d]\r\n", (int) code); |
sgodinez | 17:2d7c4ea7491b | 150 | } |
sgodinez | 17:2d7c4ea7491b | 151 | } |
sgodinez | 17:2d7c4ea7491b | 152 | sprintf(buffer, "AT#UDPPORT=1,%d", port); |
sgodinez | 17:2d7c4ea7491b | 153 | portCode = sendBasicCommand(buffer, 1000); |
sgodinez | 17:2d7c4ea7491b | 154 | addressCode = sendBasicCommand("AT#UDPSERV=1,\"" + address + "\"", 1000); |
sgodinez | 11:134435d8a2d5 | 155 | } |
sgodinez | 11:134435d8a2d5 | 156 | |
sgodinez | 11:134435d8a2d5 | 157 | if(portCode == OK) { |
sgodinez | 11:134435d8a2d5 | 158 | host_port = port; |
sgodinez | 11:134435d8a2d5 | 159 | } else { |
sgodinez | 17:2d7c4ea7491b | 160 | printf("[ERROR] Host port could not be set\r\n"); |
sgodinez | 11:134435d8a2d5 | 161 | } |
sgodinez | 11:134435d8a2d5 | 162 | |
sgodinez | 11:134435d8a2d5 | 163 | if(addressCode == OK) { |
sgodinez | 11:134435d8a2d5 | 164 | host_address = address; |
sgodinez | 11:134435d8a2d5 | 165 | } else { |
sgodinez | 17:2d7c4ea7491b | 166 | printf("[ERROR] Host address could not be set\r\n"); |
sgodinez | 11:134435d8a2d5 | 167 | } |
sgodinez | 11:134435d8a2d5 | 168 | |
sgodinez | 13:0af863114629 | 169 | // Try and Connect |
sgodinez | 13:0af863114629 | 170 | string response = sendCommand("AT#OTCP=1", 30000); |
sgodinez | 13:0af863114629 | 171 | if (response.find("Ok_Info_WaitingForData") != string::npos) { |
sgodinez | 17:2d7c4ea7491b | 172 | printf("[INFO] Opened TCP Socket [%s:%d]\r\n", address.c_str(), port); |
sgodinez | 13:0af863114629 | 173 | socketOpened = true; |
sgodinez | 13:0af863114629 | 174 | } else { |
sgodinez | 17:2d7c4ea7491b | 175 | printf("[WARNING] Unable to open TCP Socket [%s:%d]\r\n", address.c_str(), port); |
sgodinez | 13:0af863114629 | 176 | socketOpened = false; |
sgodinez | 13:0af863114629 | 177 | } |
sgodinez | 11:134435d8a2d5 | 178 | |
sgodinez | 13:0af863114629 | 179 | return socketOpened; |
sgodinez | 11:134435d8a2d5 | 180 | } |
sgodinez | 11:134435d8a2d5 | 181 | |
sgodinez | 11:134435d8a2d5 | 182 | bool Cellular::isOpen() { |
sgodinez | 17:2d7c4ea7491b | 183 | return socketOpened; |
sgodinez | 11:134435d8a2d5 | 184 | } |
sgodinez | 11:134435d8a2d5 | 185 | |
sgodinez | 17:2d7c4ea7491b | 186 | bool Cellular::close() { |
sgodinez | 13:0af863114629 | 187 | if(!socketOpened) { |
sgodinez | 17:2d7c4ea7491b | 188 | printf("[ERROR] Socket is not open\r\n"); |
sgodinez | 17:2d7c4ea7491b | 189 | return false; |
sgodinez | 13:0af863114629 | 190 | } |
sgodinez | 11:134435d8a2d5 | 191 | |
sgodinez | 17:2d7c4ea7491b | 192 | if(!socketCloseable) { |
sgodinez | 17:2d7c4ea7491b | 193 | printf("[ERROR] Socket is not closeable\r\n"); |
sgodinez | 17:2d7c4ea7491b | 194 | return false; |
sgodinez | 17:2d7c4ea7491b | 195 | } |
sgodinez | 17:2d7c4ea7491b | 196 | |
sgodinez | 17:2d7c4ea7491b | 197 | //Build Escape Message => ETX |
sgodinez | 17:2d7c4ea7491b | 198 | char buffer[2] = { 0x03, 0x00 }; |
sgodinez | 13:0af863114629 | 199 | Code code = sendBasicCommand(buffer, 1000, NONE); |
sgodinez | 13:0af863114629 | 200 | if(code != OK) { |
sgodinez | 17:2d7c4ea7491b | 201 | printf("[ERROR] Radio did not accept close socket command"); |
sgodinez | 17:2d7c4ea7491b | 202 | return false; |
sgodinez | 13:0af863114629 | 203 | } |
sgodinez | 17:2d7c4ea7491b | 204 | socketOpened = false; |
sgodinez | 17:2d7c4ea7491b | 205 | return true; |
sgodinez | 11:134435d8a2d5 | 206 | } |
sgodinez | 11:134435d8a2d5 | 207 | |
sgodinez | 11:134435d8a2d5 | 208 | int Cellular::read(char* data, int max, int timeout) { |
sgodinez | 17:2d7c4ea7491b | 209 | if(!socketOpened) { |
sgodinez | 17:2d7c4ea7491b | 210 | printf("[ERROR] Socket is not open\r\n"); |
sgodinez | 17:2d7c4ea7491b | 211 | return -1; |
sgodinez | 17:2d7c4ea7491b | 212 | } |
sgodinez | 17:2d7c4ea7491b | 213 | int bytesRead = 0; |
sgodinez | 17:2d7c4ea7491b | 214 | |
sgodinez | 17:2d7c4ea7491b | 215 | if(timeout >= 0) { |
sgodinez | 17:2d7c4ea7491b | 216 | Timer tmr; |
sgodinez | 17:2d7c4ea7491b | 217 | tmr.start(); |
sgodinez | 17:2d7c4ea7491b | 218 | while (tmr.read_ms() <= timeout && bytesRead < max) { |
sgodinez | 17:2d7c4ea7491b | 219 | if (io.readable()) { |
sgodinez | 17:2d7c4ea7491b | 220 | if(io.read(data[bytesRead]) == 1) { |
sgodinez | 17:2d7c4ea7491b | 221 | bytesRead++; |
sgodinez | 17:2d7c4ea7491b | 222 | } |
sgodinez | 17:2d7c4ea7491b | 223 | } else { |
sgodinez | 17:2d7c4ea7491b | 224 | wait(0.05); |
sgodinez | 17:2d7c4ea7491b | 225 | } |
sgodinez | 17:2d7c4ea7491b | 226 | } |
sgodinez | 17:2d7c4ea7491b | 227 | } else { |
sgodinez | 17:2d7c4ea7491b | 228 | bytesRead = io.read(data, max); |
sgodinez | 17:2d7c4ea7491b | 229 | } |
sgodinez | 17:2d7c4ea7491b | 230 | |
sgodinez | 17:2d7c4ea7491b | 231 | return bytesRead; |
sgodinez | 11:134435d8a2d5 | 232 | } |
sgodinez | 11:134435d8a2d5 | 233 | |
sgodinez | 11:134435d8a2d5 | 234 | int Cellular::write(char* data, int length, int timeout) { |
sgodinez | 17:2d7c4ea7491b | 235 | if(!socketOpened) { |
sgodinez | 17:2d7c4ea7491b | 236 | printf("[ERROR] Socket is not open\r\n"); |
sgodinez | 17:2d7c4ea7491b | 237 | return -1; |
sgodinez | 17:2d7c4ea7491b | 238 | } |
sgodinez | 17:2d7c4ea7491b | 239 | |
sgodinez | 17:2d7c4ea7491b | 240 | int bytesWritten = 0; |
sgodinez | 17:2d7c4ea7491b | 241 | |
sgodinez | 17:2d7c4ea7491b | 242 | if(timeout >= 0) { |
sgodinez | 17:2d7c4ea7491b | 243 | Timer tmr; |
sgodinez | 17:2d7c4ea7491b | 244 | tmr.start(); |
sgodinez | 17:2d7c4ea7491b | 245 | while (tmr.read_ms() <= timeout && bytesWritten < length) { |
sgodinez | 17:2d7c4ea7491b | 246 | if (io.writeable()) { |
sgodinez | 17:2d7c4ea7491b | 247 | if(io.write(*data) == 1) { |
sgodinez | 17:2d7c4ea7491b | 248 | data++; |
sgodinez | 17:2d7c4ea7491b | 249 | bytesWritten++; |
sgodinez | 17:2d7c4ea7491b | 250 | } |
sgodinez | 17:2d7c4ea7491b | 251 | } else { |
sgodinez | 17:2d7c4ea7491b | 252 | wait(0.05); |
sgodinez | 17:2d7c4ea7491b | 253 | } |
sgodinez | 17:2d7c4ea7491b | 254 | } |
sgodinez | 17:2d7c4ea7491b | 255 | } else { |
sgodinez | 17:2d7c4ea7491b | 256 | bytesWritten = io.write(data, length); |
sgodinez | 17:2d7c4ea7491b | 257 | } |
sgodinez | 17:2d7c4ea7491b | 258 | |
sgodinez | 17:2d7c4ea7491b | 259 | return bytesWritten; |
sgodinez | 11:134435d8a2d5 | 260 | } |
sgodinez | 11:134435d8a2d5 | 261 | |
sgodinez | 11:134435d8a2d5 | 262 | unsigned int Cellular::readable() { |
sgodinez | 17:2d7c4ea7491b | 263 | if(!socketOpened) { |
sgodinez | 17:2d7c4ea7491b | 264 | printf("[ERROR] Socket is not open\r\n"); |
sgodinez | 17:2d7c4ea7491b | 265 | return 0; |
sgodinez | 17:2d7c4ea7491b | 266 | } |
sgodinez | 17:2d7c4ea7491b | 267 | return io.readable(); |
sgodinez | 11:134435d8a2d5 | 268 | } |
sgodinez | 11:134435d8a2d5 | 269 | |
sgodinez | 11:134435d8a2d5 | 270 | unsigned int Cellular::writeable() { |
sgodinez | 17:2d7c4ea7491b | 271 | if(!socketOpened) { |
sgodinez | 17:2d7c4ea7491b | 272 | printf("[ERROR] Socket is not open\r\n"); |
sgodinez | 17:2d7c4ea7491b | 273 | return 0; |
sgodinez | 17:2d7c4ea7491b | 274 | } |
sgodinez | 17:2d7c4ea7491b | 275 | |
sgodinez | 17:2d7c4ea7491b | 276 | return io.writeable(); |
sgodinez | 11:134435d8a2d5 | 277 | } |
sgodinez | 11:134435d8a2d5 | 278 | |
sgodinez | 11:134435d8a2d5 | 279 | void Cellular::reset() { |
sgodinez | 11:134435d8a2d5 | 280 | |
sgodinez | 11:134435d8a2d5 | 281 | } |
sgodinez | 11:134435d8a2d5 | 282 | |
sgodinez | 11:134435d8a2d5 | 283 | Cellular::Code Cellular::test() |
jengbrecht | 0:563b70517320 | 284 | { |
sgodinez | 11:134435d8a2d5 | 285 | Code code = sendBasicCommand("AT", 1000); |
sgodinez | 11:134435d8a2d5 | 286 | |
sgodinez | 11:134435d8a2d5 | 287 | if(code != OK) { |
sgodinez | 11:134435d8a2d5 | 288 | printf("[Error] Failed basic AT command"); |
sgodinez | 11:134435d8a2d5 | 289 | return code; |
sgodinez | 11:134435d8a2d5 | 290 | } |
sgodinez | 11:134435d8a2d5 | 291 | |
sgodinez | 11:134435d8a2d5 | 292 | //AT#VSTATE != "CHECKING" |
sgodinez | 11:134435d8a2d5 | 293 | |
sgodinez | 11:134435d8a2d5 | 294 | //AT#GPRSMODE == |
sgodinez | 12:40ac31a09132 | 295 | return OK; |
jengbrecht | 0:563b70517320 | 296 | } |
jengbrecht | 0:563b70517320 | 297 | |
jengbrecht | 0:563b70517320 | 298 | Cellular::Code Cellular::echoOff(bool state) |
jengbrecht | 0:563b70517320 | 299 | { |
sgodinez | 13:0af863114629 | 300 | Code code; |
jengbrecht | 0:563b70517320 | 301 | if (state) { |
sgodinez | 13:0af863114629 | 302 | code = sendBasicCommand("ATE0", 1000); |
sgodinez | 13:0af863114629 | 303 | echoMode = (code == OK) ? false : echoMode; |
jengbrecht | 0:563b70517320 | 304 | } else { |
sgodinez | 13:0af863114629 | 305 | code = sendBasicCommand("ATE1", 1000); |
sgodinez | 13:0af863114629 | 306 | echoMode = (code == OK) ? true : echoMode; |
jengbrecht | 0:563b70517320 | 307 | } |
sgodinez | 13:0af863114629 | 308 | return code; |
jengbrecht | 0:563b70517320 | 309 | } |
jengbrecht | 0:563b70517320 | 310 | |
jengbrecht | 0:563b70517320 | 311 | int Cellular::getSignalStrength() |
jengbrecht | 0:563b70517320 | 312 | { |
jengbrecht | 0:563b70517320 | 313 | string response = sendCommand("AT+CSQ", 1000); |
jengbrecht | 0:563b70517320 | 314 | if (response.find("OK") == string::npos) { |
jengbrecht | 0:563b70517320 | 315 | return -1; |
jengbrecht | 0:563b70517320 | 316 | } |
jengbrecht | 0:563b70517320 | 317 | int start = response.find(':'); |
jengbrecht | 0:563b70517320 | 318 | int stop = response.find(',', start); |
jengbrecht | 0:563b70517320 | 319 | string signal = response.substr(start + 2, stop - start - 2); |
jengbrecht | 0:563b70517320 | 320 | int value; |
jengbrecht | 0:563b70517320 | 321 | sscanf(signal.c_str(), "%d", &value); |
jengbrecht | 0:563b70517320 | 322 | return value; |
jengbrecht | 0:563b70517320 | 323 | } |
jengbrecht | 0:563b70517320 | 324 | |
sgodinez | 5:93e889a5abc6 | 325 | std::string Cellular::getPhoneNumber() { |
sgodinez | 5:93e889a5abc6 | 326 | return "unknown"; |
sgodinez | 5:93e889a5abc6 | 327 | } |
sgodinez | 5:93e889a5abc6 | 328 | |
jengbrecht | 0:563b70517320 | 329 | Cellular::Registration Cellular::getRegistration() |
jengbrecht | 0:563b70517320 | 330 | { |
jengbrecht | 0:563b70517320 | 331 | string response = sendCommand("AT+CREG?", 1000); |
jengbrecht | 0:563b70517320 | 332 | if (response.find("OK") == string::npos) { |
jengbrecht | 0:563b70517320 | 333 | return UNKNOWN; |
jengbrecht | 0:563b70517320 | 334 | } |
jengbrecht | 0:563b70517320 | 335 | int start = response.find(','); |
jengbrecht | 0:563b70517320 | 336 | int stop = response.find(' ', start); |
jengbrecht | 0:563b70517320 | 337 | string regStat = response.substr(start + 1, stop - start - 1); |
jengbrecht | 0:563b70517320 | 338 | int value; |
jengbrecht | 0:563b70517320 | 339 | sscanf(regStat.c_str(), "%d", &value); |
jengbrecht | 0:563b70517320 | 340 | switch (value) { |
jengbrecht | 0:563b70517320 | 341 | case 0: |
jengbrecht | 0:563b70517320 | 342 | return NOT_REGISTERED; |
jengbrecht | 0:563b70517320 | 343 | case 1: |
jengbrecht | 0:563b70517320 | 344 | return REGISTERED; |
jengbrecht | 0:563b70517320 | 345 | case 2: |
jengbrecht | 0:563b70517320 | 346 | return SEARCHING; |
jengbrecht | 0:563b70517320 | 347 | case 3: |
jengbrecht | 0:563b70517320 | 348 | return DENIED; |
jengbrecht | 0:563b70517320 | 349 | case 4: |
jengbrecht | 0:563b70517320 | 350 | return UNKNOWN; |
jengbrecht | 0:563b70517320 | 351 | case 5: |
jengbrecht | 0:563b70517320 | 352 | return ROAMING; |
jengbrecht | 0:563b70517320 | 353 | } |
sgodinez | 4:6561c9128c6f | 354 | return UNKNOWN; |
jengbrecht | 0:563b70517320 | 355 | } |
jengbrecht | 0:563b70517320 | 356 | |
jengbrecht | 0:563b70517320 | 357 | Cellular::Code Cellular::sendBasicCommand(string command, int timeoutMillis, ESC_CHAR esc) |
jengbrecht | 0:563b70517320 | 358 | { |
sgodinez | 17:2d7c4ea7491b | 359 | if(socketOpened) { |
sgodinez | 17:2d7c4ea7491b | 360 | printf("[ERROR] socket is open. Can not send AT commands\r\n"); |
sgodinez | 17:2d7c4ea7491b | 361 | return ERROR; |
sgodinez | 17:2d7c4ea7491b | 362 | } |
sgodinez | 17:2d7c4ea7491b | 363 | |
jengbrecht | 0:563b70517320 | 364 | string response = sendCommand(command, timeoutMillis, esc); |
jengbrecht | 0:563b70517320 | 365 | if (response.size() == 0) { |
jengbrecht | 0:563b70517320 | 366 | return NO_RESPONSE; |
jengbrecht | 0:563b70517320 | 367 | } else if (response.find("OK") != string::npos) { |
jengbrecht | 0:563b70517320 | 368 | return OK; |
jengbrecht | 0:563b70517320 | 369 | } else if (response.find("ERROR") != string::npos) { |
jengbrecht | 0:563b70517320 | 370 | return ERROR; |
jengbrecht | 0:563b70517320 | 371 | } else { |
jengbrecht | 0:563b70517320 | 372 | return FAILURE; |
jengbrecht | 0:563b70517320 | 373 | } |
jengbrecht | 0:563b70517320 | 374 | } |
jengbrecht | 0:563b70517320 | 375 | |
sgodinez | 11:134435d8a2d5 | 376 | Cellular::Code Cellular::setApn(const std::string& apn) { |
sgodinez | 11:134435d8a2d5 | 377 | Code code = sendBasicCommand("AT#APNSERV=\"" + apn + "\"", 1000); |
sgodinez | 11:134435d8a2d5 | 378 | if (code != OK) { |
sgodinez | 11:134435d8a2d5 | 379 | return code; |
sgodinez | 11:134435d8a2d5 | 380 | } |
sgodinez | 11:134435d8a2d5 | 381 | this->apn = apn; |
sgodinez | 11:134435d8a2d5 | 382 | return code; |
sgodinez | 11:134435d8a2d5 | 383 | } |
sgodinez | 11:134435d8a2d5 | 384 | |
sgodinez | 11:134435d8a2d5 | 385 | Cellular::Code Cellular::setDns(const std::string& apn) { |
sgodinez | 12:40ac31a09132 | 386 | return FAILURE; |
sgodinez | 11:134435d8a2d5 | 387 | } |
sgodinez | 11:134435d8a2d5 | 388 | |
sgodinez | 17:2d7c4ea7491b | 389 | Cellular::Code Cellular::setSocketCloseable(bool enabled) { |
sgodinez | 17:2d7c4ea7491b | 390 | if(socketCloseable == enabled) { |
sgodinez | 17:2d7c4ea7491b | 391 | return OK; |
sgodinez | 17:2d7c4ea7491b | 392 | } |
sgodinez | 17:2d7c4ea7491b | 393 | |
sgodinez | 17:2d7c4ea7491b | 394 | if(socketOpened) { |
sgodinez | 17:2d7c4ea7491b | 395 | printf("[ERROR] socket is already opened. Can not set closeable\r\n"); |
sgodinez | 17:2d7c4ea7491b | 396 | return ERROR; |
sgodinez | 17:2d7c4ea7491b | 397 | } |
sgodinez | 17:2d7c4ea7491b | 398 | |
sgodinez | 17:2d7c4ea7491b | 399 | socketCloseable = enabled; |
sgodinez | 17:2d7c4ea7491b | 400 | |
sgodinez | 17:2d7c4ea7491b | 401 | return OK; |
sgodinez | 17:2d7c4ea7491b | 402 | } |
sgodinez | 17:2d7c4ea7491b | 403 | |
sgodinez | 4:6561c9128c6f | 404 | Cellular::Code Cellular::sendSMS(const Sms& sms) { |
sgodinez | 4:6561c9128c6f | 405 | return sendSMS(sms.phoneNumber, sms.message); |
sgodinez | 4:6561c9128c6f | 406 | } |
sgodinez | 4:6561c9128c6f | 407 | |
sgodinez | 4:6561c9128c6f | 408 | Cellular::Code Cellular::sendSMS(const std::string& phoneNumber, const std::string& message) |
sgodinez | 17:2d7c4ea7491b | 409 | { |
jengbrecht | 0:563b70517320 | 410 | Code code = sendBasicCommand("AT+CMGF=1", 1000); |
jengbrecht | 0:563b70517320 | 411 | if (code != OK) { |
jengbrecht | 0:563b70517320 | 412 | return code; |
jengbrecht | 0:563b70517320 | 413 | } |
jengbrecht | 0:563b70517320 | 414 | string cmd = "AT+CMGS=\"+"; |
jengbrecht | 0:563b70517320 | 415 | cmd.append(phoneNumber); |
jengbrecht | 0:563b70517320 | 416 | cmd.append("\""); |
jengbrecht | 0:563b70517320 | 417 | string response1 = sendCommand(cmd, 1000); |
jengbrecht | 0:563b70517320 | 418 | if (response1.find('>') == string::npos) { |
jengbrecht | 0:563b70517320 | 419 | return NO_RESPONSE; |
jengbrecht | 0:563b70517320 | 420 | } |
jengbrecht | 0:563b70517320 | 421 | wait(.2); |
jengbrecht | 0:563b70517320 | 422 | string response2 = sendCommand(message, 4000, CTRL_Z); |
sgodinez | 17:2d7c4ea7491b | 423 | printf("SMS Response: %s\r\n", response2.c_str()); |
jengbrecht | 0:563b70517320 | 424 | if (response2.find("+CMGS:") == string::npos) { |
jengbrecht | 0:563b70517320 | 425 | return FAILURE; |
jengbrecht | 0:563b70517320 | 426 | } |
jengbrecht | 0:563b70517320 | 427 | return OK; |
jengbrecht | 0:563b70517320 | 428 | } |
jengbrecht | 0:563b70517320 | 429 | |
sgodinez | 4:6561c9128c6f | 430 | std::vector<Cellular::Sms> Cellular::getReceivedSms() { |
sgodinez | 9:5b12c5a8dde4 | 431 | int smsNumber = 0; |
sgodinez | 4:6561c9128c6f | 432 | std::vector<Sms> vSms; |
sgodinez | 4:6561c9128c6f | 433 | std::string received = sendCommand("AT+CMGL=\"ALL\"", 4000); |
sgodinez | 5:93e889a5abc6 | 434 | size_t pos = received.find("+CMGL: "); |
sgodinez | 4:6561c9128c6f | 435 | |
sgodinez | 5:93e889a5abc6 | 436 | while (pos != std::string::npos) { |
sgodinez | 4:6561c9128c6f | 437 | Cellular::Sms sms; |
sgodinez | 4:6561c9128c6f | 438 | std::string line(Text::getLine(received, pos, pos)); |
sgodinez | 17:2d7c4ea7491b | 439 | //printf("[DEBUG] Top of SMS Parse Loop. LINE[%s]\r\n", line.c_str()); |
sgodinez | 9:5b12c5a8dde4 | 440 | if(line.find("+CMGL: ") == std::string::npos) { |
sgodinez | 4:6561c9128c6f | 441 | continue; |
sgodinez | 4:6561c9128c6f | 442 | } |
sgodinez | 4:6561c9128c6f | 443 | |
sgodinez | 4:6561c9128c6f | 444 | //Start of SMS message |
sgodinez | 4:6561c9128c6f | 445 | std::vector<std::string> vSmsParts = Text::split(line, ','); |
sgodinez | 4:6561c9128c6f | 446 | if(vSmsParts.size() != 6) { |
sgodinez | 17:2d7c4ea7491b | 447 | printf("[WARNING] Expected 6 commas. SMS[%d] DATA[%s]. Continuing ...\r\n", smsNumber, line.c_str()); |
sgodinez | 4:6561c9128c6f | 448 | continue; |
sgodinez | 4:6561c9128c6f | 449 | } |
sgodinez | 4:6561c9128c6f | 450 | |
sgodinez | 4:6561c9128c6f | 451 | sms.phoneNumber = vSmsParts[2]; |
sgodinez | 4:6561c9128c6f | 452 | sms.timestamp = vSmsParts[4] + ", " + vSmsParts[5]; |
sgodinez | 4:6561c9128c6f | 453 | |
sgodinez | 8:3fe68d6130a8 | 454 | if(pos == std::string::npos) { |
sgodinez | 17:2d7c4ea7491b | 455 | printf("[WARNING] Expected SMS body. SMS[%d]. Leaving ...\r\n", smsNumber); |
sgodinez | 8:3fe68d6130a8 | 456 | break; |
sgodinez | 8:3fe68d6130a8 | 457 | } |
sgodinez | 9:5b12c5a8dde4 | 458 | //Check for the start of the next SMS message |
sgodinez | 9:5b12c5a8dde4 | 459 | size_t bodyEnd = received.find("\r\n+CMGL: ", pos); |
sgodinez | 8:3fe68d6130a8 | 460 | if(bodyEnd == std::string::npos) { |
sgodinez | 17:2d7c4ea7491b | 461 | //printf("[DEBUG] Parsing Last SMS. SMS[%d]\r\n", smsNumber); |
sgodinez | 9:5b12c5a8dde4 | 462 | //This must be the last SMS message |
sgodinez | 9:5b12c5a8dde4 | 463 | bodyEnd = received.find("\r\n\r\nOK", pos); |
sgodinez | 8:3fe68d6130a8 | 464 | } |
sgodinez | 9:5b12c5a8dde4 | 465 | |
sgodinez | 9:5b12c5a8dde4 | 466 | //Safety check that we found the boundary of this current SMS message |
sgodinez | 9:5b12c5a8dde4 | 467 | if(bodyEnd != std::string::npos) { |
sgodinez | 9:5b12c5a8dde4 | 468 | sms.message = received.substr(pos, bodyEnd - pos); |
sgodinez | 9:5b12c5a8dde4 | 469 | } else { |
sgodinez | 8:3fe68d6130a8 | 470 | sms.message = received.substr(pos); |
sgodinez | 17:2d7c4ea7491b | 471 | printf("[WARNING] Expected to find end of SMS list. SMS[%d] DATA[%s].\r\n", smsNumber, sms.message.c_str()); |
sgodinez | 8:3fe68d6130a8 | 472 | } |
sgodinez | 5:93e889a5abc6 | 473 | vSms.push_back(sms); |
sgodinez | 4:6561c9128c6f | 474 | pos = bodyEnd; |
sgodinez | 17:2d7c4ea7491b | 475 | //printf("[DEBUG] Parsed SMS[%d]. Starting Next at position [%d]\r\n", smsNumber, pos); |
sgodinez | 9:5b12c5a8dde4 | 476 | smsNumber++; |
sgodinez | 4:6561c9128c6f | 477 | } |
sgodinez | 17:2d7c4ea7491b | 478 | printf("Received %d SMS\r\n", smsNumber); |
sgodinez | 4:6561c9128c6f | 479 | return vSms; |
sgodinez | 4:6561c9128c6f | 480 | } |
sgodinez | 4:6561c9128c6f | 481 | |
sgodinez | 4:6561c9128c6f | 482 | Cellular::Code Cellular::deleteOnlyReceivedReadSms() { |
sgodinez | 4:6561c9128c6f | 483 | return sendBasicCommand("AT+CMGD=1,1", 1000); |
sgodinez | 4:6561c9128c6f | 484 | } |
sgodinez | 4:6561c9128c6f | 485 | |
sgodinez | 4:6561c9128c6f | 486 | Cellular::Code Cellular::deleteAllReceivedSms() { |
sgodinez | 4:6561c9128c6f | 487 | return sendBasicCommand("AT+CMGD=1,4", 1000); |
sgodinez | 4:6561c9128c6f | 488 | } |
sgodinez | 4:6561c9128c6f | 489 | |
sgodinez | 4:6561c9128c6f | 490 | |
jengbrecht | 0:563b70517320 | 491 | string Cellular::sendCommand(string command, int timeoutMillis, ESC_CHAR esc) |
jengbrecht | 0:563b70517320 | 492 | { |
sgodinez | 17:2d7c4ea7491b | 493 | if(socketOpened) { |
sgodinez | 17:2d7c4ea7491b | 494 | printf("[ERROR] socket is open. Can not send AT commands\r\n"); |
sgodinez | 17:2d7c4ea7491b | 495 | return ""; |
sgodinez | 17:2d7c4ea7491b | 496 | } |
sgodinez | 17:2d7c4ea7491b | 497 | |
jengbrecht | 0:563b70517320 | 498 | int size = command.size() + 1; |
jengbrecht | 0:563b70517320 | 499 | char cmd[size]; |
jengbrecht | 0:563b70517320 | 500 | strcpy(cmd, command.c_str()); |
jengbrecht | 0:563b70517320 | 501 | if (esc == CR) { |
jengbrecht | 0:563b70517320 | 502 | cmd[size -1] = '\r'; |
jengbrecht | 0:563b70517320 | 503 | } else if (esc == CTRL_Z) { |
jengbrecht | 0:563b70517320 | 504 | cmd[size -1] = 0x1A; |
sgodinez | 13:0af863114629 | 505 | } else if(esc == NONE) { |
sgodinez | 13:0af863114629 | 506 | cmd[size -1] = '\0'; |
jengbrecht | 0:563b70517320 | 507 | } |
jengbrecht | 0:563b70517320 | 508 | |
sgodinez | 4:6561c9128c6f | 509 | io.rxClear(); |
sgodinez | 4:6561c9128c6f | 510 | io.txClear(); |
sgodinez | 8:3fe68d6130a8 | 511 | std::string result; |
sgodinez | 4:6561c9128c6f | 512 | int status = io.write(cmd, size); |
sgodinez | 4:6561c9128c6f | 513 | int available = io.rxAvailable(); |
jengbrecht | 0:563b70517320 | 514 | int previous = -1; |
jengbrecht | 0:563b70517320 | 515 | int timer = 0; |
sgodinez | 8:3fe68d6130a8 | 516 | char tmp[256]; |
sgodinez | 8:3fe68d6130a8 | 517 | tmp[255] = 0; |
sgodinez | 13:0af863114629 | 518 | bool started = !echoMode; |
sgodinez | 13:0af863114629 | 519 | bool done = false; |
sgodinez | 8:3fe68d6130a8 | 520 | do { |
jengbrecht | 0:563b70517320 | 521 | wait(.1); |
jengbrecht | 0:563b70517320 | 522 | timer = timer + 100; |
jengbrecht | 0:563b70517320 | 523 | previous = available; |
sgodinez | 4:6561c9128c6f | 524 | available = io.rxAvailable(); |
sgodinez | 8:3fe68d6130a8 | 525 | |
sgodinez | 8:3fe68d6130a8 | 526 | int size = io.read(tmp,255); //1 less than allocated |
sgodinez | 8:3fe68d6130a8 | 527 | if(size > 0) { |
sgodinez | 8:3fe68d6130a8 | 528 | result.append(tmp, size); |
sgodinez | 8:3fe68d6130a8 | 529 | } |
sgodinez | 13:0af863114629 | 530 | |
sgodinez | 13:0af863114629 | 531 | if(!started) { |
sgodinez | 13:0af863114629 | 532 | //In Echo Mode (Command will have echo'd + 2 characters for \r\n) |
sgodinez | 13:0af863114629 | 533 | if(result.size() > command.size() + 2) { |
sgodinez | 13:0af863114629 | 534 | started = true; |
sgodinez | 13:0af863114629 | 535 | } |
sgodinez | 13:0af863114629 | 536 | } else { |
sgodinez | 13:0af863114629 | 537 | done = (available == previous); |
sgodinez | 13:0af863114629 | 538 | } |
sgodinez | 13:0af863114629 | 539 | if(timer >= timeoutMillis) { |
sgodinez | 17:2d7c4ea7491b | 540 | printf("[WARNING] sendCommand timed out after %d milliseconds\r\n", timeoutMillis); |
sgodinez | 13:0af863114629 | 541 | done = true; |
sgodinez | 13:0af863114629 | 542 | } |
sgodinez | 13:0af863114629 | 543 | } while (!done); |
sgodinez | 8:3fe68d6130a8 | 544 | |
sgodinez | 8:3fe68d6130a8 | 545 | return result; |
jengbrecht | 0:563b70517320 | 546 | } |
jengbrecht | 0:563b70517320 | 547 | |
jengbrecht | 0:563b70517320 | 548 | #endif /* CELLULAR_CPP */ |