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
wifi/Wifi.cpp@138:a233b9775f93, 2014-01-04 (annotated)
- Committer:
- jengbrecht
- Date:
- Sat Jan 04 00:55:16 2014 +0000
- Revision:
- 138:a233b9775f93
- Parent:
- 136:0937dce3630b
- Child:
- 141:571e0ef6c8dc
Added the ability on open call within Wifi to except a URL in addition to an IP address.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jengbrecht | 69:f3e696bbb0d5 | 1 | #include "Wifi.h" |
jengbrecht | 138:a233b9775f93 | 2 | #include "MTSText.h" |
jengbrecht | 69:f3e696bbb0d5 | 3 | |
jengbrecht | 135:960c0b523f88 | 4 | #if 0 |
sam_grove | 131:da8f0e1c264a | 5 | //Enable debug |
sam_grove | 131:da8f0e1c264a | 6 | #include <cstdio> |
jengbrecht | 138:a233b9775f93 | 7 | #define DBG(x, ...) std::printf("Line: %d %s \t[Wifi : DBG]"x"\r\n", __LINE__, __FILE__, ##__VA_ARGS__); |
sam_grove | 131:da8f0e1c264a | 8 | #else |
sam_grove | 131:da8f0e1c264a | 9 | #define DBG(x, ...) |
sam_grove | 131:da8f0e1c264a | 10 | #endif |
sam_grove | 131:da8f0e1c264a | 11 | |
jengbrecht | 69:f3e696bbb0d5 | 12 | Wifi* Wifi::instance = NULL; |
jengbrecht | 69:f3e696bbb0d5 | 13 | |
jengbrecht | 69:f3e696bbb0d5 | 14 | Wifi* Wifi::getInstance() |
jengbrecht | 69:f3e696bbb0d5 | 15 | { |
jengbrecht | 69:f3e696bbb0d5 | 16 | if(instance == NULL) { |
jengbrecht | 69:f3e696bbb0d5 | 17 | instance = new Wifi(NULL); |
jengbrecht | 69:f3e696bbb0d5 | 18 | } |
jengbrecht | 69:f3e696bbb0d5 | 19 | return instance; |
jengbrecht | 69:f3e696bbb0d5 | 20 | } |
jengbrecht | 69:f3e696bbb0d5 | 21 | |
sam_grove | 131:da8f0e1c264a | 22 | bool Wifi::sortInterfaceMode(void) |
jengbrecht | 138:a233b9775f93 | 23 | { |
jengbrecht | 127:526003734633 | 24 | //Check initial state of command mode |
jengbrecht | 127:526003734633 | 25 | std::string response = sendCommand("", 1000, ">"); |
jengbrecht | 127:526003734633 | 26 | if(response.find(">") != string::npos) { |
jengbrecht | 127:526003734633 | 27 | cmdOn = true; |
jengbrecht | 127:526003734633 | 28 | } |
jengbrecht | 127:526003734633 | 29 | |
jengbrecht | 94:1baa587e89ae | 30 | //Set device into command mode |
jengbrecht | 94:1baa587e89ae | 31 | if (!setCmdMode(true)) { |
jengbrecht | 94:1baa587e89ae | 32 | return false; |
jengbrecht | 94:1baa587e89ae | 33 | } |
jengbrecht | 138:a233b9775f93 | 34 | |
sam_grove | 131:da8f0e1c264a | 35 | return true; |
sam_grove | 131:da8f0e1c264a | 36 | } |
jengbrecht | 94:1baa587e89ae | 37 | |
sam_grove | 131:da8f0e1c264a | 38 | bool Wifi::init(MTSBufferedIO* io) |
sam_grove | 131:da8f0e1c264a | 39 | { |
sam_grove | 131:da8f0e1c264a | 40 | if (io == NULL) { |
sam_grove | 131:da8f0e1c264a | 41 | return false; |
sam_grove | 131:da8f0e1c264a | 42 | } |
sam_grove | 131:da8f0e1c264a | 43 | instance->io = io; |
jengbrecht | 138:a233b9775f93 | 44 | |
sam_grove | 131:da8f0e1c264a | 45 | // start from the same place each time |
sam_grove | 131:da8f0e1c264a | 46 | reset(); |
jengbrecht | 138:a233b9775f93 | 47 | |
sam_grove | 131:da8f0e1c264a | 48 | //Secure interface mode |
sam_grove | 131:da8f0e1c264a | 49 | if(!sortInterfaceMode()) { |
sam_grove | 131:da8f0e1c264a | 50 | return false; |
sam_grove | 131:da8f0e1c264a | 51 | } |
jengbrecht | 138:a233b9775f93 | 52 | |
jengbrecht | 94:1baa587e89ae | 53 | //Set device to non-echo mode |
sam_grove | 131:da8f0e1c264a | 54 | while (sendBasicCommand("set uart mode 1", 1000) != SUCCESS) { |
jengbrecht | 94:1baa587e89ae | 55 | printf("[ERROR] Failed to set to non-echo mode\n\r"); |
sam_grove | 131:da8f0e1c264a | 56 | //return false; |
jengbrecht | 74:9f87bd22c222 | 57 | } |
sam_grove | 132:165b3a1084bd | 58 | // do this twice because the module response doesnt seem to always take |
sam_grove | 132:165b3a1084bd | 59 | while (sendBasicCommand("set uart mode 1", 1000) != SUCCESS) { |
sam_grove | 132:165b3a1084bd | 60 | printf("[ERROR] Failed to set to non-echo mode\n\r"); |
sam_grove | 132:165b3a1084bd | 61 | //return false; |
jengbrecht | 74:9f87bd22c222 | 62 | } |
jengbrecht | 94:1baa587e89ae | 63 | |
jengbrecht | 94:1baa587e89ae | 64 | //Set device to manual infrastructure mode |
jengbrecht | 94:1baa587e89ae | 65 | if (sendBasicCommand("set wlan join 0", 1000) != SUCCESS) { |
jengbrecht | 94:1baa587e89ae | 66 | printf("[ERROR] Failed to set join mode\n\r"); |
jengbrecht | 94:1baa587e89ae | 67 | return false; |
jengbrecht | 94:1baa587e89ae | 68 | } |
jengbrecht | 94:1baa587e89ae | 69 | |
jengbrecht | 94:1baa587e89ae | 70 | //Set device to channel auto-scanning mode |
jengbrecht | 94:1baa587e89ae | 71 | if (sendBasicCommand("set wlan channel 0", 1000) != SUCCESS) { |
jengbrecht | 94:1baa587e89ae | 72 | printf("[ERROR] Failed to set auto-scanning mode\n\r"); |
jengbrecht | 94:1baa587e89ae | 73 | return false; |
jengbrecht | 94:1baa587e89ae | 74 | } |
jengbrecht | 94:1baa587e89ae | 75 | |
jengbrecht | 94:1baa587e89ae | 76 | //Set device so no data is transmitted immediately following a socket connection |
jengbrecht | 94:1baa587e89ae | 77 | if (sendBasicCommand("set comm remote 0", 1000) != SUCCESS) { |
jengbrecht | 94:1baa587e89ae | 78 | printf("[ERROR] Failed to set remote transmit mode\n\r"); |
jengbrecht | 94:1baa587e89ae | 79 | return false; |
jengbrecht | 94:1baa587e89ae | 80 | } |
jengbrecht | 106:358972176b89 | 81 | |
jengbrecht | 106:358972176b89 | 82 | //Set device into DHCP mode by default |
jengbrecht | 106:358972176b89 | 83 | if (sendBasicCommand("set ip dhcp 1", 1000) != SUCCESS) { |
jengbrecht | 106:358972176b89 | 84 | printf("[ERROR] Failed to set to default DHCP mode\n\r"); |
jengbrecht | 106:358972176b89 | 85 | return false; |
jengbrecht | 106:358972176b89 | 86 | } |
jengbrecht | 106:358972176b89 | 87 | |
jengbrecht | 94:1baa587e89ae | 88 | return true; |
jengbrecht | 69:f3e696bbb0d5 | 89 | } |
jengbrecht | 69:f3e696bbb0d5 | 90 | |
jengbrecht | 69:f3e696bbb0d5 | 91 | Wifi::Wifi(MTSBufferedIO* io) |
jengbrecht | 69:f3e696bbb0d5 | 92 | : io(io) |
jengbrecht | 69:f3e696bbb0d5 | 93 | , wifiConnected(false) |
jengbrecht | 79:f356009dbc12 | 94 | , _ssid("") |
jengbrecht | 69:f3e696bbb0d5 | 95 | , mode(TCP) |
jengbrecht | 69:f3e696bbb0d5 | 96 | , socketOpened(false) |
jengbrecht | 69:f3e696bbb0d5 | 97 | , socketCloseable(true) |
jengbrecht | 69:f3e696bbb0d5 | 98 | , local_port(0) |
jengbrecht | 106:358972176b89 | 99 | , local_address("") |
jengbrecht | 69:f3e696bbb0d5 | 100 | , host_port(0) |
jengbrecht | 79:f356009dbc12 | 101 | , cmdOn(false) |
jengbrecht | 69:f3e696bbb0d5 | 102 | { |
jengbrecht | 69:f3e696bbb0d5 | 103 | |
jengbrecht | 69:f3e696bbb0d5 | 104 | } |
jengbrecht | 69:f3e696bbb0d5 | 105 | |
jengbrecht | 69:f3e696bbb0d5 | 106 | Wifi::~Wifi() |
jengbrecht | 69:f3e696bbb0d5 | 107 | { |
jengbrecht | 69:f3e696bbb0d5 | 108 | } |
jengbrecht | 69:f3e696bbb0d5 | 109 | |
jengbrecht | 69:f3e696bbb0d5 | 110 | bool Wifi::connect() |
jengbrecht | 69:f3e696bbb0d5 | 111 | { |
jengbrecht | 69:f3e696bbb0d5 | 112 | //Check if socket is open |
jengbrecht | 69:f3e696bbb0d5 | 113 | if(socketOpened) { |
jengbrecht | 69:f3e696bbb0d5 | 114 | return true; |
jengbrecht | 69:f3e696bbb0d5 | 115 | } |
jengbrecht | 69:f3e696bbb0d5 | 116 | |
jengbrecht | 69:f3e696bbb0d5 | 117 | //Run Test first to validate a good state |
jengbrecht | 69:f3e696bbb0d5 | 118 | if(isConnected()) { |
jengbrecht | 69:f3e696bbb0d5 | 119 | return true; |
jengbrecht | 69:f3e696bbb0d5 | 120 | } |
jengbrecht | 69:f3e696bbb0d5 | 121 | |
jengbrecht | 93:aa7a48e65974 | 122 | if (_ssid.size() == 0) { |
jengbrecht | 93:aa7a48e65974 | 123 | printf("[ERROR] No SSID has been set\n\r"); |
jengbrecht | 93:aa7a48e65974 | 124 | return false; |
jengbrecht | 93:aa7a48e65974 | 125 | } |
jengbrecht | 93:aa7a48e65974 | 126 | |
jengbrecht | 98:dbeac735109d | 127 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 128 | return false; |
jengbrecht | 93:aa7a48e65974 | 129 | } |
jengbrecht | 93:aa7a48e65974 | 130 | |
jengbrecht | 69:f3e696bbb0d5 | 131 | //Possibly add a scan command here and look for the network.... |
jengbrecht | 69:f3e696bbb0d5 | 132 | |
jengbrecht | 69:f3e696bbb0d5 | 133 | //join my_network |
jengbrecht | 69:f3e696bbb0d5 | 134 | printf("[DEBUG] Making SSID Connection Attempt. SSID[%s]\r\n", _ssid.c_str()); |
jengbrecht | 133:da0a2a7b5aa1 | 135 | std::string result = sendCommand("join " + _ssid, 15000, "GW="); |
jengbrecht | 93:aa7a48e65974 | 136 | //printf("Connect Status: %s\n\r", result.c_str()); |
jengbrecht | 69:f3e696bbb0d5 | 137 | |
jengbrecht | 93:aa7a48e65974 | 138 | //Check whether connection was successful |
jengbrecht | 93:aa7a48e65974 | 139 | if(result.find("Associated!") != string::npos) { |
jengbrecht | 106:358972176b89 | 140 | if(result.find("Static") == string::npos) { |
jengbrecht | 106:358972176b89 | 141 | int start = result.find("IP="); |
jengbrecht | 106:358972176b89 | 142 | int stop = result.find(":", start); |
jengbrecht | 106:358972176b89 | 143 | local_address = result.substr(start + 3, stop - start - 3); |
jengbrecht | 106:358972176b89 | 144 | } |
jengbrecht | 93:aa7a48e65974 | 145 | printf("[INFO] WiFi Connection Established: IP[%s]\r\n", local_address.c_str()); |
jengbrecht | 93:aa7a48e65974 | 146 | wifiConnected = true; |
jengbrecht | 106:358972176b89 | 147 | |
jengbrecht | 103:da58d27c15d7 | 148 | //Report Signal Strength of new connection |
jengbrecht | 103:da58d27c15d7 | 149 | wait(1); //Needed for signal strength to be available |
jengbrecht | 103:da58d27c15d7 | 150 | int rssi = getSignalStrength(); |
jengbrecht | 103:da58d27c15d7 | 151 | printf("[DEBUG] Signal strength (dBm): %d\r\n", rssi); |
jengbrecht | 93:aa7a48e65974 | 152 | } else { |
jengbrecht | 93:aa7a48e65974 | 153 | wifiConnected = false; |
jengbrecht | 93:aa7a48e65974 | 154 | } |
jengbrecht | 69:f3e696bbb0d5 | 155 | |
jengbrecht | 69:f3e696bbb0d5 | 156 | return wifiConnected; |
jengbrecht | 69:f3e696bbb0d5 | 157 | } |
jengbrecht | 69:f3e696bbb0d5 | 158 | |
jengbrecht | 69:f3e696bbb0d5 | 159 | void Wifi::disconnect() |
jengbrecht | 69:f3e696bbb0d5 | 160 | { |
sam_grove | 132:165b3a1084bd | 161 | wait(5.0f); |
jengbrecht | 79:f356009dbc12 | 162 | printf("[DEBUG] Disconnecting from network\r\n"); |
jengbrecht | 79:f356009dbc12 | 163 | |
jengbrecht | 79:f356009dbc12 | 164 | if(socketOpened) { |
jengbrecht | 79:f356009dbc12 | 165 | close(); |
jengbrecht | 79:f356009dbc12 | 166 | } |
jengbrecht | 79:f356009dbc12 | 167 | |
jengbrecht | 98:dbeac735109d | 168 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 169 | printf("[ERROR] Failed in disconnecting from network. Continuing ...\r\n"); |
jengbrecht | 79:f356009dbc12 | 170 | } |
jengbrecht | 79:f356009dbc12 | 171 | |
jengbrecht | 100:9d96b4391151 | 172 | std::string response = sendCommand("leave", 10000, "<4.00>"); |
jengbrecht | 100:9d96b4391151 | 173 | response = sendCommand("show net", 5000, "Links"); |
jengbrecht | 100:9d96b4391151 | 174 | //printf("Response: %s\n\r", response.c_str()); |
jengbrecht | 100:9d96b4391151 | 175 | if (response.find("Assoc=FAIL") != string::npos) { |
jengbrecht | 79:f356009dbc12 | 176 | printf("[DEBUG] Successfully disconnected from network\r\n"); |
jengbrecht | 79:f356009dbc12 | 177 | } else { |
jengbrecht | 79:f356009dbc12 | 178 | printf("[ERROR] Failed in disconnecting from network. Continuing ...\r\n"); |
jengbrecht | 79:f356009dbc12 | 179 | } |
jengbrecht | 79:f356009dbc12 | 180 | |
jengbrecht | 79:f356009dbc12 | 181 | wifiConnected = false; |
jengbrecht | 69:f3e696bbb0d5 | 182 | } |
jengbrecht | 69:f3e696bbb0d5 | 183 | |
jengbrecht | 69:f3e696bbb0d5 | 184 | bool Wifi::isConnected() |
jengbrecht | 69:f3e696bbb0d5 | 185 | { |
jengbrecht | 79:f356009dbc12 | 186 | //1) Check if SSID was set |
jengbrecht | 79:f356009dbc12 | 187 | if(_ssid.size() == 0) { |
jengbrecht | 79:f356009dbc12 | 188 | printf("[DEBUG] SSID is not set\r\n"); |
jengbrecht | 79:f356009dbc12 | 189 | return false; |
jengbrecht | 79:f356009dbc12 | 190 | } |
jengbrecht | 79:f356009dbc12 | 191 | |
jengbrecht | 79:f356009dbc12 | 192 | //1) Check that we do not have a live connection up |
jengbrecht | 117:e59a616ffe16 | 193 | if(isOpen()) { |
jengbrecht | 79:f356009dbc12 | 194 | printf("[DEBUG] Socket is opened\r\n"); |
jengbrecht | 79:f356009dbc12 | 195 | return true; |
jengbrecht | 79:f356009dbc12 | 196 | } |
jengbrecht | 79:f356009dbc12 | 197 | |
jengbrecht | 98:dbeac735109d | 198 | //Check command mode. |
jengbrecht | 98:dbeac735109d | 199 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 200 | return false; |
jengbrecht | 98:dbeac735109d | 201 | } |
jengbrecht | 98:dbeac735109d | 202 | |
jengbrecht | 79:f356009dbc12 | 203 | //2) Query the wifi module |
jengbrecht | 79:f356009dbc12 | 204 | wifiConnected = false; |
jengbrecht | 93:aa7a48e65974 | 205 | std::string result = sendCommand("show net", 5000, "Links"); |
jengbrecht | 93:aa7a48e65974 | 206 | //printf("netResult: %s\n\r", result); |
jengbrecht | 93:aa7a48e65974 | 207 | if(result.find("Assoc=OK") != std::string::npos) { |
jengbrecht | 79:f356009dbc12 | 208 | wifiConnected = true; |
jengbrecht | 79:f356009dbc12 | 209 | } |
jengbrecht | 79:f356009dbc12 | 210 | |
jengbrecht | 79:f356009dbc12 | 211 | return wifiConnected; |
jengbrecht | 69:f3e696bbb0d5 | 212 | } |
jengbrecht | 69:f3e696bbb0d5 | 213 | |
jengbrecht | 69:f3e696bbb0d5 | 214 | bool Wifi::bind(unsigned int port) |
jengbrecht | 69:f3e696bbb0d5 | 215 | { |
jengbrecht | 94:1baa587e89ae | 216 | if(socketOpened) { |
jengbrecht | 94:1baa587e89ae | 217 | printf("[ERROR] socket is open. Can not set local port\r\n"); |
jengbrecht | 94:1baa587e89ae | 218 | return false; |
jengbrecht | 94:1baa587e89ae | 219 | } |
jengbrecht | 94:1baa587e89ae | 220 | if(port > 65535) { |
jengbrecht | 94:1baa587e89ae | 221 | printf("[ERROR] port out of range (0-65535)\r\n"); |
jengbrecht | 94:1baa587e89ae | 222 | return false; |
jengbrecht | 94:1baa587e89ae | 223 | } |
jengbrecht | 94:1baa587e89ae | 224 | local_port = port; |
jengbrecht | 69:f3e696bbb0d5 | 225 | return true; |
jengbrecht | 69:f3e696bbb0d5 | 226 | } |
jengbrecht | 69:f3e696bbb0d5 | 227 | |
jengbrecht | 69:f3e696bbb0d5 | 228 | bool Wifi::open(const std::string& address, unsigned int port, Mode mode) |
jengbrecht | 69:f3e696bbb0d5 | 229 | { |
jengbrecht | 95:4fdf968b5b37 | 230 | char buffer[256] = {0}; |
jengbrecht | 95:4fdf968b5b37 | 231 | printf("[DEBUG] Attempting to Open Socket\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 232 | |
jengbrecht | 95:4fdf968b5b37 | 233 | //1) Check that we do not have a live connection up |
jengbrecht | 95:4fdf968b5b37 | 234 | if(socketOpened) { |
jengbrecht | 95:4fdf968b5b37 | 235 | //Check that the address, port, and mode match |
jengbrecht | 95:4fdf968b5b37 | 236 | if(host_address != address || host_port != port || this->mode != mode) { |
jengbrecht | 95:4fdf968b5b37 | 237 | if(this->mode == TCP) { |
jengbrecht | 95:4fdf968b5b37 | 238 | printf("[ERROR] TCP socket already opened (%s:%d)\r\n", host_address.c_str(), host_port); |
jengbrecht | 95:4fdf968b5b37 | 239 | } else { |
jengbrecht | 95:4fdf968b5b37 | 240 | printf("[ERROR] UDP socket already opened (%s:%d)\r\n", host_address.c_str(), host_port); |
jengbrecht | 95:4fdf968b5b37 | 241 | } |
jengbrecht | 95:4fdf968b5b37 | 242 | return false; |
jengbrecht | 95:4fdf968b5b37 | 243 | } |
jengbrecht | 95:4fdf968b5b37 | 244 | |
jengbrecht | 95:4fdf968b5b37 | 245 | printf("[DEBUG] Socket already opened\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 246 | return true; |
jengbrecht | 95:4fdf968b5b37 | 247 | } |
jengbrecht | 95:4fdf968b5b37 | 248 | |
jengbrecht | 95:4fdf968b5b37 | 249 | //2) Check Parameters |
jengbrecht | 95:4fdf968b5b37 | 250 | if(port > 65535) { |
jengbrecht | 95:4fdf968b5b37 | 251 | printf("[ERROR] port out of range (0-65535)\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 252 | return false; |
jengbrecht | 95:4fdf968b5b37 | 253 | } |
jengbrecht | 95:4fdf968b5b37 | 254 | |
jengbrecht | 95:4fdf968b5b37 | 255 | |
jengbrecht | 95:4fdf968b5b37 | 256 | //3) Check Wifi network connection |
jengbrecht | 95:4fdf968b5b37 | 257 | if(!isConnected()) { |
jengbrecht | 95:4fdf968b5b37 | 258 | printf("[ERROR] Wifi network not connected. Attempting to connect\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 259 | if(!connect()) { |
jengbrecht | 95:4fdf968b5b37 | 260 | printf("[ERROR] Wifi network connection failed\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 261 | return false; |
jengbrecht | 95:4fdf968b5b37 | 262 | } else { |
jengbrecht | 95:4fdf968b5b37 | 263 | printf("[DEBUG] Wifi connection established\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 264 | } |
jengbrecht | 95:4fdf968b5b37 | 265 | } |
jengbrecht | 95:4fdf968b5b37 | 266 | |
jengbrecht | 95:4fdf968b5b37 | 267 | //Check command mode |
jengbrecht | 98:dbeac735109d | 268 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 269 | return false; |
jengbrecht | 95:4fdf968b5b37 | 270 | } |
jengbrecht | 95:4fdf968b5b37 | 271 | |
jengbrecht | 95:4fdf968b5b37 | 272 | //Set Local Port |
jengbrecht | 95:4fdf968b5b37 | 273 | if(local_port != 0) { |
jengbrecht | 95:4fdf968b5b37 | 274 | //Attempt to set local port |
jengbrecht | 95:4fdf968b5b37 | 275 | sprintf(buffer, "set ip localport %d", local_port); |
jengbrecht | 95:4fdf968b5b37 | 276 | Code code = sendBasicCommand(buffer, 1000); |
jengbrecht | 95:4fdf968b5b37 | 277 | if(code != SUCCESS) { |
jengbrecht | 95:4fdf968b5b37 | 278 | printf("[WARNING] Unable to set local port (%d) [%d]. Continuing...\r\n", local_port, (int) code); |
jengbrecht | 95:4fdf968b5b37 | 279 | } |
jengbrecht | 95:4fdf968b5b37 | 280 | } |
jengbrecht | 95:4fdf968b5b37 | 281 | |
jengbrecht | 95:4fdf968b5b37 | 282 | //Set TCP/UDP parameters |
jengbrecht | 95:4fdf968b5b37 | 283 | sprintf(buffer, "set ip remote %d", port); |
jengbrecht | 95:4fdf968b5b37 | 284 | if(sendBasicCommand(buffer, 1000) == SUCCESS) { |
jengbrecht | 95:4fdf968b5b37 | 285 | host_port = port; |
jengbrecht | 95:4fdf968b5b37 | 286 | } else { |
jengbrecht | 95:4fdf968b5b37 | 287 | printf("[ERROR] Host port could not be set\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 288 | } |
jengbrecht | 95:4fdf968b5b37 | 289 | |
jengbrecht | 138:a233b9775f93 | 290 | //Check if address of URL |
jengbrecht | 138:a233b9775f93 | 291 | std::vector<std::string> tmp = Text::split(address, '.'); |
jengbrecht | 138:a233b9775f93 | 292 | if(tmp.size() != 4) { |
jengbrecht | 138:a233b9775f93 | 293 | std::string ip = getHostByName(address); |
jengbrecht | 138:a233b9775f93 | 294 | if(ip.size() != 0) { |
jengbrecht | 138:a233b9775f93 | 295 | host_address = ip; |
jengbrecht | 138:a233b9775f93 | 296 | } else { |
jengbrecht | 138:a233b9775f93 | 297 | return false; |
jengbrecht | 138:a233b9775f93 | 298 | } |
jengbrecht | 138:a233b9775f93 | 299 | } else { |
jengbrecht | 95:4fdf968b5b37 | 300 | host_address = address; |
jengbrecht | 138:a233b9775f93 | 301 | } |
jengbrecht | 138:a233b9775f93 | 302 | |
jengbrecht | 138:a233b9775f93 | 303 | //Set Address |
jengbrecht | 138:a233b9775f93 | 304 | printf("[DEBUG] Host address: %s\n\r", host_address.c_str()); |
jengbrecht | 138:a233b9775f93 | 305 | if(sendBasicCommand("set ip host " + host_address, 1000) != SUCCESS) { |
jengbrecht | 95:4fdf968b5b37 | 306 | printf("[ERROR] Host address could not be set\r\n"); |
jengbrecht | 138:a233b9775f93 | 307 | return false; |
jengbrecht | 95:4fdf968b5b37 | 308 | } |
jengbrecht | 95:4fdf968b5b37 | 309 | |
jengbrecht | 100:9d96b4391151 | 310 | if(sendBasicCommand("set ip protocol 8", 1000) != SUCCESS) { |
jengbrecht | 100:9d96b4391151 | 311 | printf("[ERROR] Failed to set TCP mode\r\n"); |
jengbrecht | 138:a233b9775f93 | 312 | return false; |
jengbrecht | 95:4fdf968b5b37 | 313 | } |
jengbrecht | 95:4fdf968b5b37 | 314 | |
jengbrecht | 95:4fdf968b5b37 | 315 | // Try and Connect |
jengbrecht | 95:4fdf968b5b37 | 316 | std::string sMode; |
jengbrecht | 95:4fdf968b5b37 | 317 | std::string sOpenSocketCmd; |
jengbrecht | 95:4fdf968b5b37 | 318 | if(mode == TCP) { |
jengbrecht | 95:4fdf968b5b37 | 319 | sOpenSocketCmd = "open"; |
jengbrecht | 95:4fdf968b5b37 | 320 | sMode = "TCP"; |
jengbrecht | 95:4fdf968b5b37 | 321 | } else { |
jengbrecht | 100:9d96b4391151 | 322 | //TODO |
jengbrecht | 100:9d96b4391151 | 323 | //sOpenSocketCmd = "AT#OUDP"; |
jengbrecht | 100:9d96b4391151 | 324 | //sMode = "UDP"; |
jengbrecht | 95:4fdf968b5b37 | 325 | } |
jengbrecht | 100:9d96b4391151 | 326 | string response = sendCommand(sOpenSocketCmd, 10000, "OPEN"); |
jengbrecht | 95:4fdf968b5b37 | 327 | if (response.find("OPEN") != string::npos) { |
jengbrecht | 138:a233b9775f93 | 328 | printf("[INFO] Opened %s Socket [%s:%d]\r\n", sMode.c_str(), host_address.c_str(), port); |
jengbrecht | 95:4fdf968b5b37 | 329 | socketOpened = true; |
jengbrecht | 100:9d96b4391151 | 330 | cmdOn = false; |
jengbrecht | 95:4fdf968b5b37 | 331 | } else { |
jengbrecht | 138:a233b9775f93 | 332 | printf("[WARNING] Unable to open %s Socket [%s:%d]\r\n", sMode.c_str(), host_address.c_str(), port); |
jengbrecht | 95:4fdf968b5b37 | 333 | socketOpened = false; |
jengbrecht | 95:4fdf968b5b37 | 334 | } |
jengbrecht | 95:4fdf968b5b37 | 335 | |
jengbrecht | 95:4fdf968b5b37 | 336 | return socketOpened; |
jengbrecht | 69:f3e696bbb0d5 | 337 | } |
jengbrecht | 69:f3e696bbb0d5 | 338 | |
jengbrecht | 69:f3e696bbb0d5 | 339 | bool Wifi::isOpen() |
jengbrecht | 69:f3e696bbb0d5 | 340 | { |
jengbrecht | 122:5f95f81a8b03 | 341 | if(io->readable()) { |
jengbrecht | 122:5f95f81a8b03 | 342 | printf("[DEBUG] Assuming open, data available to read.\n\r"); |
jengbrecht | 122:5f95f81a8b03 | 343 | return true; |
jengbrecht | 122:5f95f81a8b03 | 344 | } |
jengbrecht | 114:cd34b1d64360 | 345 | if(!setCmdMode(true)) { |
jengbrecht | 114:cd34b1d64360 | 346 | printf("[ERROR] Failed to properly check if TCP connection is open.\r\n"); |
jengbrecht | 114:cd34b1d64360 | 347 | return socketOpened; |
jengbrecht | 114:cd34b1d64360 | 348 | } |
jengbrecht | 114:cd34b1d64360 | 349 | std::string response = sendCommand("show connection", 2000, "\n"); |
jengbrecht | 114:cd34b1d64360 | 350 | int start = response.find("f"); |
jengbrecht | 114:cd34b1d64360 | 351 | if(start != string::npos && response.size() >= (start + 3)) { |
jengbrecht | 114:cd34b1d64360 | 352 | if(response[start + 3] == '1') { |
jengbrecht | 114:cd34b1d64360 | 353 | socketOpened = true; |
jengbrecht | 114:cd34b1d64360 | 354 | } else { |
jengbrecht | 114:cd34b1d64360 | 355 | socketOpened = false; |
jengbrecht | 114:cd34b1d64360 | 356 | } |
jengbrecht | 114:cd34b1d64360 | 357 | } else { |
jengbrecht | 114:cd34b1d64360 | 358 | printf("[WARNING] Trouble checking TCP Connection status.\n\r"); |
jengbrecht | 114:cd34b1d64360 | 359 | } |
jengbrecht | 95:4fdf968b5b37 | 360 | return socketOpened; |
jengbrecht | 69:f3e696bbb0d5 | 361 | } |
jengbrecht | 69:f3e696bbb0d5 | 362 | |
jengbrecht | 69:f3e696bbb0d5 | 363 | bool Wifi::close() |
jengbrecht | 69:f3e696bbb0d5 | 364 | { |
jengbrecht | 114:cd34b1d64360 | 365 | wait(1); |
jengbrecht | 95:4fdf968b5b37 | 366 | if(io == NULL) { |
jengbrecht | 95:4fdf968b5b37 | 367 | printf("[ERROR] MTSBufferedIO not set\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 368 | return false; |
jengbrecht | 95:4fdf968b5b37 | 369 | } |
jengbrecht | 95:4fdf968b5b37 | 370 | |
jengbrecht | 95:4fdf968b5b37 | 371 | if(!socketOpened) { |
jengbrecht | 95:4fdf968b5b37 | 372 | printf("[WARNING] Socket close() called, but socket was not open\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 373 | return true; |
jengbrecht | 95:4fdf968b5b37 | 374 | } |
jengbrecht | 95:4fdf968b5b37 | 375 | |
jengbrecht | 98:dbeac735109d | 376 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 377 | printf("[ERROR] Failed to close socket\r\n"); |
jengbrecht | 98:dbeac735109d | 378 | return false; |
jengbrecht | 95:4fdf968b5b37 | 379 | } |
jengbrecht | 95:4fdf968b5b37 | 380 | |
jengbrecht | 114:cd34b1d64360 | 381 | if(isOpen()) { |
jengbrecht | 114:cd34b1d64360 | 382 | std::string response = sendCommand("close", 3000, "CLOS"); |
jengbrecht | 114:cd34b1d64360 | 383 | if(response.find("CLOS") == string::npos) { |
jengbrecht | 114:cd34b1d64360 | 384 | printf("[WARNING] Failed to successfully close socket...\r\n"); |
jengbrecht | 114:cd34b1d64360 | 385 | return false; |
jengbrecht | 114:cd34b1d64360 | 386 | } |
jengbrecht | 95:4fdf968b5b37 | 387 | } |
jengbrecht | 121:5a7fba896c98 | 388 | |
jengbrecht | 119:544578fd290c | 389 | wait(1); //Wait so the subsequent isOpen calls return correctly. |
jengbrecht | 113:7238f9b8db17 | 390 | io->rxClear(); |
jengbrecht | 113:7238f9b8db17 | 391 | io->txClear(); |
jengbrecht | 114:cd34b1d64360 | 392 | |
jengbrecht | 69:f3e696bbb0d5 | 393 | return true; |
jengbrecht | 69:f3e696bbb0d5 | 394 | } |
jengbrecht | 69:f3e696bbb0d5 | 395 | |
jengbrecht | 69:f3e696bbb0d5 | 396 | int Wifi::read(char* data, int max, int timeout) |
jengbrecht | 69:f3e696bbb0d5 | 397 | { |
jengbrecht | 98:dbeac735109d | 398 | if(io == NULL) { |
jengbrecht | 98:dbeac735109d | 399 | printf("[ERROR] MTSBufferedIO not set\r\n"); |
jengbrecht | 98:dbeac735109d | 400 | return -1; |
jengbrecht | 98:dbeac735109d | 401 | } |
jengbrecht | 98:dbeac735109d | 402 | |
jengbrecht | 98:dbeac735109d | 403 | //Check that nothing is in the rx buffer |
jengbrecht | 98:dbeac735109d | 404 | if(!socketOpened && !io->readable()) { |
jengbrecht | 98:dbeac735109d | 405 | printf("[ERROR] Socket is not open\r\n"); |
jengbrecht | 98:dbeac735109d | 406 | return -1; |
jengbrecht | 98:dbeac735109d | 407 | } |
jengbrecht | 98:dbeac735109d | 408 | |
jengbrecht | 98:dbeac735109d | 409 | //Check for data mode |
jengbrecht | 98:dbeac735109d | 410 | if(!setCmdMode(false)) { |
jengbrecht | 98:dbeac735109d | 411 | printf("[ERROR] Failed to read data due to mode\r\n"); |
jengbrecht | 98:dbeac735109d | 412 | return -1; |
jengbrecht | 98:dbeac735109d | 413 | } |
jengbrecht | 98:dbeac735109d | 414 | |
jengbrecht | 98:dbeac735109d | 415 | int bytesRead = 0; |
jengbrecht | 98:dbeac735109d | 416 | |
jengbrecht | 98:dbeac735109d | 417 | if(timeout >= 0) { |
jengbrecht | 98:dbeac735109d | 418 | bytesRead = io->read(data, max, static_cast<unsigned int>(timeout)); |
jengbrecht | 98:dbeac735109d | 419 | } else { |
jengbrecht | 98:dbeac735109d | 420 | bytesRead = io->read(data, max); |
jengbrecht | 98:dbeac735109d | 421 | } |
jengbrecht | 98:dbeac735109d | 422 | |
jengbrecht | 98:dbeac735109d | 423 | return bytesRead; |
jengbrecht | 69:f3e696bbb0d5 | 424 | } |
jengbrecht | 69:f3e696bbb0d5 | 425 | |
jengbrecht | 69:f3e696bbb0d5 | 426 | int Wifi::write(const char* data, int length, int timeout) |
jengbrecht | 69:f3e696bbb0d5 | 427 | { |
jengbrecht | 98:dbeac735109d | 428 | if(io == NULL) { |
jengbrecht | 98:dbeac735109d | 429 | printf("[ERROR] MTSBufferedIO not set\r\n"); |
jengbrecht | 98:dbeac735109d | 430 | return -1; |
jengbrecht | 98:dbeac735109d | 431 | } |
jengbrecht | 98:dbeac735109d | 432 | |
jengbrecht | 98:dbeac735109d | 433 | if(!socketOpened) { |
jengbrecht | 98:dbeac735109d | 434 | printf("[ERROR] Socket is not open\r\n"); |
jengbrecht | 98:dbeac735109d | 435 | return -1; |
jengbrecht | 98:dbeac735109d | 436 | } |
jengbrecht | 98:dbeac735109d | 437 | |
jengbrecht | 98:dbeac735109d | 438 | //Check for data mode |
jengbrecht | 98:dbeac735109d | 439 | if(!setCmdMode(false)) { |
jengbrecht | 98:dbeac735109d | 440 | printf("[ERROR] Failed to write data due to mode\r\n"); |
jengbrecht | 98:dbeac735109d | 441 | return -1; |
jengbrecht | 98:dbeac735109d | 442 | } |
jengbrecht | 98:dbeac735109d | 443 | |
jengbrecht | 98:dbeac735109d | 444 | int bytesWritten = 0; |
jengbrecht | 103:da58d27c15d7 | 445 | |
jengbrecht | 98:dbeac735109d | 446 | if(timeout >= 0) { |
jengbrecht | 100:9d96b4391151 | 447 | bytesWritten = io->write(data, length, static_cast<unsigned int>(timeout)); |
jengbrecht | 98:dbeac735109d | 448 | } else { |
jengbrecht | 100:9d96b4391151 | 449 | bytesWritten = io->write(data, length); |
jengbrecht | 98:dbeac735109d | 450 | } |
jengbrecht | 103:da58d27c15d7 | 451 | |
jengbrecht | 98:dbeac735109d | 452 | return bytesWritten; |
jengbrecht | 69:f3e696bbb0d5 | 453 | } |
jengbrecht | 69:f3e696bbb0d5 | 454 | |
jengbrecht | 69:f3e696bbb0d5 | 455 | unsigned int Wifi::readable() |
jengbrecht | 69:f3e696bbb0d5 | 456 | { |
jengbrecht | 69:f3e696bbb0d5 | 457 | if(io == NULL) { |
jengbrecht | 69:f3e696bbb0d5 | 458 | printf("[ERROR] MTSBufferedIO not set\r\n"); |
jengbrecht | 69:f3e696bbb0d5 | 459 | return 0; |
jengbrecht | 69:f3e696bbb0d5 | 460 | } |
jengbrecht | 69:f3e696bbb0d5 | 461 | if(!socketOpened) { |
jengbrecht | 69:f3e696bbb0d5 | 462 | printf("[ERROR] Socket is not open\r\n"); |
jengbrecht | 69:f3e696bbb0d5 | 463 | return 0; |
jengbrecht | 69:f3e696bbb0d5 | 464 | } |
jengbrecht | 69:f3e696bbb0d5 | 465 | return io->readable(); |
jengbrecht | 69:f3e696bbb0d5 | 466 | } |
jengbrecht | 69:f3e696bbb0d5 | 467 | |
jengbrecht | 69:f3e696bbb0d5 | 468 | unsigned int Wifi::writeable() |
jengbrecht | 69:f3e696bbb0d5 | 469 | { |
jengbrecht | 69:f3e696bbb0d5 | 470 | if(io == NULL) { |
jengbrecht | 69:f3e696bbb0d5 | 471 | printf("[ERROR] MTSBufferedIO not set\r\n"); |
jengbrecht | 69:f3e696bbb0d5 | 472 | return 0; |
jengbrecht | 69:f3e696bbb0d5 | 473 | } |
jengbrecht | 69:f3e696bbb0d5 | 474 | if(!socketOpened) { |
jengbrecht | 69:f3e696bbb0d5 | 475 | printf("[ERROR] Socket is not open\r\n"); |
jengbrecht | 69:f3e696bbb0d5 | 476 | return 0; |
jengbrecht | 69:f3e696bbb0d5 | 477 | } |
jengbrecht | 69:f3e696bbb0d5 | 478 | |
jengbrecht | 69:f3e696bbb0d5 | 479 | return io->writeable(); |
jengbrecht | 69:f3e696bbb0d5 | 480 | } |
jengbrecht | 69:f3e696bbb0d5 | 481 | |
jengbrecht | 69:f3e696bbb0d5 | 482 | void Wifi::reset() |
jengbrecht | 69:f3e696bbb0d5 | 483 | { |
sam_grove | 131:da8f0e1c264a | 484 | if(!sortInterfaceMode()) { |
sam_grove | 131:da8f0e1c264a | 485 | return; |
sam_grove | 131:da8f0e1c264a | 486 | } |
jengbrecht | 138:a233b9775f93 | 487 | |
sam_grove | 131:da8f0e1c264a | 488 | sendCommand("factory RESET", 2000, "Set Factory Default"); // <ver> comes out about 1 sec later |
sam_grove | 131:da8f0e1c264a | 489 | wait(0.5f); |
sam_grove | 131:da8f0e1c264a | 490 | sendCommand("reboot", 2000, "*READY*"); |
jengbrecht | 138:a233b9775f93 | 491 | |
jengbrecht | 121:5a7fba896c98 | 492 | wifiConnected = false; |
jengbrecht | 121:5a7fba896c98 | 493 | _ssid = ""; |
jengbrecht | 121:5a7fba896c98 | 494 | mode = TCP; |
jengbrecht | 121:5a7fba896c98 | 495 | socketOpened = false; |
jengbrecht | 121:5a7fba896c98 | 496 | socketCloseable = true; |
jengbrecht | 121:5a7fba896c98 | 497 | local_port = 0; |
jengbrecht | 121:5a7fba896c98 | 498 | local_address = ""; |
jengbrecht | 121:5a7fba896c98 | 499 | host_port = 0; |
jengbrecht | 121:5a7fba896c98 | 500 | cmdOn = false; |
sam_grove | 131:da8f0e1c264a | 501 | wait(1); |
sam_grove | 131:da8f0e1c264a | 502 | // if(!init(io)) { |
sam_grove | 131:da8f0e1c264a | 503 | // printf("[ERROR] Failed to reinitialize after reset.\n\r"); |
sam_grove | 131:da8f0e1c264a | 504 | // } |
jengbrecht | 69:f3e696bbb0d5 | 505 | } |
jengbrecht | 69:f3e696bbb0d5 | 506 | |
jengbrecht | 106:358972176b89 | 507 | Code Wifi::setDeviceIP(std::string address) |
jengbrecht | 106:358972176b89 | 508 | { |
jengbrecht | 108:554585370b4a | 509 | //Check for command mode |
jengbrecht | 108:554585370b4a | 510 | if(!setCmdMode(true)) { |
jengbrecht | 108:554585370b4a | 511 | printf("[ERROR] Failed to set IP due to mode issue\r\n"); |
jengbrecht | 108:554585370b4a | 512 | return FAILURE; |
jengbrecht | 108:554585370b4a | 513 | } |
jengbrecht | 113:7238f9b8db17 | 514 | |
jengbrecht | 106:358972176b89 | 515 | //Set to DHCP mode |
jengbrecht | 106:358972176b89 | 516 | if(address.compare("DHCP") == 0) { |
jengbrecht | 106:358972176b89 | 517 | return sendBasicCommand("set ip dhcp 1", 1000); |
jengbrecht | 106:358972176b89 | 518 | } |
jengbrecht | 106:358972176b89 | 519 | |
jengbrecht | 106:358972176b89 | 520 | //Set to static mode and set address |
jengbrecht | 106:358972176b89 | 521 | Code code = sendBasicCommand("set ip address " + address, 1000); |
jengbrecht | 106:358972176b89 | 522 | if(code != SUCCESS) { |
jengbrecht | 106:358972176b89 | 523 | return code; |
jengbrecht | 106:358972176b89 | 524 | } |
jengbrecht | 106:358972176b89 | 525 | code = sendBasicCommand("set ip dhcp 0", 1000); |
jengbrecht | 106:358972176b89 | 526 | if(code != SUCCESS) { |
jengbrecht | 106:358972176b89 | 527 | return code; |
jengbrecht | 106:358972176b89 | 528 | } |
jengbrecht | 106:358972176b89 | 529 | local_address = address; |
jengbrecht | 106:358972176b89 | 530 | return SUCCESS; |
jengbrecht | 106:358972176b89 | 531 | } |
jengbrecht | 106:358972176b89 | 532 | |
jengbrecht | 106:358972176b89 | 533 | std::string Wifi::getDeviceIP() |
jengbrecht | 106:358972176b89 | 534 | { |
jengbrecht | 106:358972176b89 | 535 | return local_address; |
jengbrecht | 106:358972176b89 | 536 | } |
jengbrecht | 106:358972176b89 | 537 | |
jengbrecht | 103:da58d27c15d7 | 538 | Code Wifi::setNetwork(const std::string& ssid, SecurityType type, const std::string& key) |
jengbrecht | 69:f3e696bbb0d5 | 539 | { |
jengbrecht | 98:dbeac735109d | 540 | //Check the command mode |
jengbrecht | 98:dbeac735109d | 541 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 542 | return FAILURE; |
jengbrecht | 98:dbeac735109d | 543 | } |
jengbrecht | 98:dbeac735109d | 544 | |
sgodinez | 73:bb5bbca971ae | 545 | Code code; |
jengbrecht | 69:f3e696bbb0d5 | 546 | |
jengbrecht | 69:f3e696bbb0d5 | 547 | //Set the appropraite SSID |
jengbrecht | 69:f3e696bbb0d5 | 548 | code = sendBasicCommand("set wlan ssid " + ssid, 1000); |
sgodinez | 73:bb5bbca971ae | 549 | if (code != SUCCESS) { |
jengbrecht | 69:f3e696bbb0d5 | 550 | return code; |
jengbrecht | 69:f3e696bbb0d5 | 551 | } |
jengbrecht | 69:f3e696bbb0d5 | 552 | |
jengbrecht | 69:f3e696bbb0d5 | 553 | //Set the security key |
jengbrecht | 69:f3e696bbb0d5 | 554 | if (type == WEP64 || type == WEP128) { |
jengbrecht | 69:f3e696bbb0d5 | 555 | //Set the WEP key if using WEP encryption |
jengbrecht | 69:f3e696bbb0d5 | 556 | code = sendBasicCommand("set wlan key " + key, 1000); |
sgodinez | 73:bb5bbca971ae | 557 | if (code != SUCCESS) { |
jengbrecht | 69:f3e696bbb0d5 | 558 | return code; |
jengbrecht | 69:f3e696bbb0d5 | 559 | } |
jengbrecht | 69:f3e696bbb0d5 | 560 | } else if (type == WPA || type == WPA2) { |
jengbrecht | 69:f3e696bbb0d5 | 561 | //Set the WPA key if using WPA encryption |
jengbrecht | 69:f3e696bbb0d5 | 562 | code = sendBasicCommand("set wlan phrase " + key, 1000); |
sgodinez | 73:bb5bbca971ae | 563 | if (code != SUCCESS) { |
jengbrecht | 69:f3e696bbb0d5 | 564 | return code; |
jengbrecht | 69:f3e696bbb0d5 | 565 | } |
jengbrecht | 69:f3e696bbb0d5 | 566 | } |
jengbrecht | 69:f3e696bbb0d5 | 567 | |
jengbrecht | 69:f3e696bbb0d5 | 568 | _ssid = ssid; |
sgodinez | 73:bb5bbca971ae | 569 | return SUCCESS; |
jengbrecht | 69:f3e696bbb0d5 | 570 | } |
jengbrecht | 69:f3e696bbb0d5 | 571 | |
jengbrecht | 94:1baa587e89ae | 572 | Code Wifi::setDNS(const std::string& dnsName) |
jengbrecht | 94:1baa587e89ae | 573 | { |
jengbrecht | 98:dbeac735109d | 574 | //Check the command mode |
jengbrecht | 98:dbeac735109d | 575 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 576 | return FAILURE; |
jengbrecht | 98:dbeac735109d | 577 | } |
jengbrecht | 98:dbeac735109d | 578 | |
jengbrecht | 94:1baa587e89ae | 579 | return sendBasicCommand("set dns name " + dnsName, 1000); |
jengbrecht | 94:1baa587e89ae | 580 | } |
jengbrecht | 94:1baa587e89ae | 581 | |
jengbrecht | 69:f3e696bbb0d5 | 582 | int Wifi::getSignalStrength() |
jengbrecht | 69:f3e696bbb0d5 | 583 | { |
jengbrecht | 103:da58d27c15d7 | 584 | //Signal strength does not report correctly if not connected |
jengbrecht | 103:da58d27c15d7 | 585 | if(!wifiConnected) { |
jengbrecht | 103:da58d27c15d7 | 586 | printf("[ERROR] Could not get RSSI, Wifi network not connected.\n\r"); |
jengbrecht | 103:da58d27c15d7 | 587 | return 99; |
jengbrecht | 103:da58d27c15d7 | 588 | } |
jengbrecht | 103:da58d27c15d7 | 589 | |
jengbrecht | 98:dbeac735109d | 590 | //Check the command mode |
jengbrecht | 98:dbeac735109d | 591 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 592 | printf("[ERROR] Could not get RSSI\n\r"); |
jengbrecht | 103:da58d27c15d7 | 593 | return 99; |
jengbrecht | 98:dbeac735109d | 594 | } |
jengbrecht | 98:dbeac735109d | 595 | |
jengbrecht | 93:aa7a48e65974 | 596 | string response = sendCommand("show rssi", 2000, "dBm"); |
jengbrecht | 74:9f87bd22c222 | 597 | if (response.find("RSSI") == string::npos) { |
jengbrecht | 98:dbeac735109d | 598 | printf("[ERROR] Could not get RSSI\n\r"); |
jengbrecht | 103:da58d27c15d7 | 599 | return 99; |
jengbrecht | 74:9f87bd22c222 | 600 | } |
jengbrecht | 74:9f87bd22c222 | 601 | int start = response.find('('); |
jengbrecht | 74:9f87bd22c222 | 602 | int stop = response.find(')', start); |
jengbrecht | 74:9f87bd22c222 | 603 | string signal = response.substr(start + 1, stop - start - 1); |
jengbrecht | 74:9f87bd22c222 | 604 | int value; |
jengbrecht | 74:9f87bd22c222 | 605 | sscanf(signal.c_str(), "%d", &value); |
jengbrecht | 74:9f87bd22c222 | 606 | return value; |
jengbrecht | 69:f3e696bbb0d5 | 607 | } |
jengbrecht | 69:f3e696bbb0d5 | 608 | |
jengbrecht | 95:4fdf968b5b37 | 609 | bool Wifi::ping(const std::string& address) |
jengbrecht | 95:4fdf968b5b37 | 610 | { |
jengbrecht | 98:dbeac735109d | 611 | //Check the command mode |
jengbrecht | 98:dbeac735109d | 612 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 613 | printf("[ERROR] Could not send ping command\n\r"); |
jengbrecht | 98:dbeac735109d | 614 | return false; |
jengbrecht | 98:dbeac735109d | 615 | } |
jengbrecht | 98:dbeac735109d | 616 | |
jengbrecht | 95:4fdf968b5b37 | 617 | std::string response; |
jengbrecht | 95:4fdf968b5b37 | 618 | for (int i = 0; i < PINGNUM; i++) { |
jengbrecht | 95:4fdf968b5b37 | 619 | response = sendCommand("ping " + address, PINGDELAY * 1000, "reply"); |
jengbrecht | 95:4fdf968b5b37 | 620 | if (response.find("reply") != std::string::npos) { |
jengbrecht | 95:4fdf968b5b37 | 621 | return true; |
jengbrecht | 95:4fdf968b5b37 | 622 | } |
jengbrecht | 95:4fdf968b5b37 | 623 | } |
jengbrecht | 95:4fdf968b5b37 | 624 | return false; |
jengbrecht | 95:4fdf968b5b37 | 625 | } |
jengbrecht | 95:4fdf968b5b37 | 626 | |
jengbrecht | 79:f356009dbc12 | 627 | bool Wifi::setCmdMode(bool on) |
jengbrecht | 74:9f87bd22c222 | 628 | { |
jengbrecht | 79:f356009dbc12 | 629 | if (on) { |
jengbrecht | 79:f356009dbc12 | 630 | if (cmdOn) { |
jengbrecht | 79:f356009dbc12 | 631 | return true; |
jengbrecht | 79:f356009dbc12 | 632 | } |
jengbrecht | 79:f356009dbc12 | 633 | wait(.5); |
jengbrecht | 93:aa7a48e65974 | 634 | std::string response = sendCommand("$$", 2000, "CMD", '$'); |
jengbrecht | 79:f356009dbc12 | 635 | if (response.find("CMD") != string::npos) { |
jengbrecht | 79:f356009dbc12 | 636 | cmdOn = true; |
jengbrecht | 113:7238f9b8db17 | 637 | wait(.5); |
jengbrecht | 79:f356009dbc12 | 638 | return true; |
jengbrecht | 79:f356009dbc12 | 639 | } |
jengbrecht | 98:dbeac735109d | 640 | printf("[ERROR] Failed to enter command mode\n\r"); |
jengbrecht | 79:f356009dbc12 | 641 | return false; |
jengbrecht | 79:f356009dbc12 | 642 | } else { |
jengbrecht | 79:f356009dbc12 | 643 | if (!cmdOn) { |
jengbrecht | 79:f356009dbc12 | 644 | return true; |
jengbrecht | 79:f356009dbc12 | 645 | } |
jengbrecht | 93:aa7a48e65974 | 646 | std::string response = sendCommand("exit", 2000, "EXIT"); |
jengbrecht | 79:f356009dbc12 | 647 | if (response.find("EXIT") != string::npos) { |
jengbrecht | 79:f356009dbc12 | 648 | cmdOn = false; |
jengbrecht | 79:f356009dbc12 | 649 | return true; |
jengbrecht | 79:f356009dbc12 | 650 | } |
jengbrecht | 98:dbeac735109d | 651 | printf("[ERROR] Failed to exit command mode\n\r"); |
jengbrecht | 79:f356009dbc12 | 652 | return false; |
jengbrecht | 74:9f87bd22c222 | 653 | } |
jengbrecht | 74:9f87bd22c222 | 654 | } |
jengbrecht | 69:f3e696bbb0d5 | 655 | |
jengbrecht | 138:a233b9775f93 | 656 | std::string Wifi::getHostByName(std::string url) |
jengbrecht | 138:a233b9775f93 | 657 | { |
jengbrecht | 138:a233b9775f93 | 658 | std::string response = sendCommand("lookup " + url, 3000, "<4.00>"); |
jengbrecht | 138:a233b9775f93 | 659 | int start = response.find("="); |
jengbrecht | 138:a233b9775f93 | 660 | int stop = response.find("\r"); |
jengbrecht | 138:a233b9775f93 | 661 | if(start == string::npos || stop == string::npos) { |
jengbrecht | 138:a233b9775f93 | 662 | printf("[ERROR] Failed to resolve URL [%s]", response.c_str()); |
jengbrecht | 138:a233b9775f93 | 663 | return ""; |
jengbrecht | 138:a233b9775f93 | 664 | } |
jengbrecht | 138:a233b9775f93 | 665 | std::string ip = response.substr(start + 1, stop - start - 1); |
jengbrecht | 138:a233b9775f93 | 666 | //printf("Data: %s\n\r", ip); |
jengbrecht | 138:a233b9775f93 | 667 | return ip; |
jengbrecht | 138:a233b9775f93 | 668 | } |
jengbrecht | 138:a233b9775f93 | 669 | |
sgodinez | 73:bb5bbca971ae | 670 | Code Wifi::sendBasicCommand(string command, int timeoutMillis, char esc) |
jengbrecht | 69:f3e696bbb0d5 | 671 | { |
jengbrecht | 69:f3e696bbb0d5 | 672 | if(socketOpened) { |
jengbrecht | 69:f3e696bbb0d5 | 673 | printf("[ERROR] socket is open. Can not send AT commands\r\n"); |
sgodinez | 73:bb5bbca971ae | 674 | return ERROR; |
jengbrecht | 69:f3e696bbb0d5 | 675 | } |
jengbrecht | 69:f3e696bbb0d5 | 676 | |
jengbrecht | 93:aa7a48e65974 | 677 | string response = sendCommand(command, timeoutMillis, "AOK", esc); |
jengbrecht | 69:f3e696bbb0d5 | 678 | //printf("Response: %s\n\r", response.c_str()); |
jengbrecht | 69:f3e696bbb0d5 | 679 | if (response.size() == 0) { |
sgodinez | 73:bb5bbca971ae | 680 | return NO_RESPONSE; |
jengbrecht | 69:f3e696bbb0d5 | 681 | } else if (response.find("AOK") != string::npos) { |
sgodinez | 73:bb5bbca971ae | 682 | return SUCCESS; |
jengbrecht | 69:f3e696bbb0d5 | 683 | } else if (response.find("ERR") != string::npos) { |
sgodinez | 73:bb5bbca971ae | 684 | return ERROR; |
jengbrecht | 69:f3e696bbb0d5 | 685 | } else { |
sgodinez | 73:bb5bbca971ae | 686 | return FAILURE; |
jengbrecht | 69:f3e696bbb0d5 | 687 | } |
jengbrecht | 69:f3e696bbb0d5 | 688 | } |
jengbrecht | 69:f3e696bbb0d5 | 689 | |
jengbrecht | 93:aa7a48e65974 | 690 | string Wifi::sendCommand(string command, int timeoutMillis, std::string response, char esc) |
jengbrecht | 69:f3e696bbb0d5 | 691 | { |
jengbrecht | 69:f3e696bbb0d5 | 692 | if(io == NULL) { |
jengbrecht | 69:f3e696bbb0d5 | 693 | printf("[ERROR] MTSBufferedIO not set\r\n"); |
jengbrecht | 69:f3e696bbb0d5 | 694 | return ""; |
jengbrecht | 69:f3e696bbb0d5 | 695 | } |
jengbrecht | 106:358972176b89 | 696 | //if(socketOpened && command.compare("$$") != 0 && command.compare("exit") != 0 && command.compare("close") != 0) { |
jengbrecht | 106:358972176b89 | 697 | // printf("[ERROR] socket is open. Can not send AT commands\r\n"); |
jengbrecht | 106:358972176b89 | 698 | // return ""; |
jengbrecht | 106:358972176b89 | 699 | //} |
jengbrecht | 69:f3e696bbb0d5 | 700 | |
jengbrecht | 69:f3e696bbb0d5 | 701 | io->rxClear(); |
jengbrecht | 69:f3e696bbb0d5 | 702 | io->txClear(); |
jengbrecht | 69:f3e696bbb0d5 | 703 | std::string result; |
jengbrecht | 79:f356009dbc12 | 704 | |
sgodinez | 73:bb5bbca971ae | 705 | //Attempt to write command |
sgodinez | 73:bb5bbca971ae | 706 | if(io->write(command.data(), command.size(), timeoutMillis) != command.size()) { |
sgodinez | 73:bb5bbca971ae | 707 | //Failed to write command |
sgodinez | 73:bb5bbca971ae | 708 | printf("[ERROR] failed to send command to radio within %d milliseconds\r\n", timeoutMillis); |
sgodinez | 73:bb5bbca971ae | 709 | return ""; |
sgodinez | 73:bb5bbca971ae | 710 | } |
sgodinez | 73:bb5bbca971ae | 711 | //Send Escape Character |
sgodinez | 73:bb5bbca971ae | 712 | if (esc != 0x00) { |
sgodinez | 73:bb5bbca971ae | 713 | if(io->write(esc, timeoutMillis) != 1) { |
sgodinez | 73:bb5bbca971ae | 714 | printf("[ERROR] failed to send '%c' to radio within %d milliseconds\r\n", esc, timeoutMillis); |
sgodinez | 73:bb5bbca971ae | 715 | return ""; |
sgodinez | 73:bb5bbca971ae | 716 | } |
sgodinez | 73:bb5bbca971ae | 717 | } |
sam_grove | 131:da8f0e1c264a | 718 | DBG("Sending: %s%c", command.data(), esc); |
jengbrecht | 138:a233b9775f93 | 719 | |
jengbrecht | 69:f3e696bbb0d5 | 720 | int timer = 0; |
sgodinez | 73:bb5bbca971ae | 721 | size_t previous = 0; |
jengbrecht | 69:f3e696bbb0d5 | 722 | char tmp[256]; |
jengbrecht | 69:f3e696bbb0d5 | 723 | tmp[255] = 0; |
jengbrecht | 69:f3e696bbb0d5 | 724 | bool done = false; |
jengbrecht | 69:f3e696bbb0d5 | 725 | do { |
jengbrecht | 93:aa7a48e65974 | 726 | wait(.2); |
jengbrecht | 93:aa7a48e65974 | 727 | timer = timer + 200; |
sgodinez | 73:bb5bbca971ae | 728 | previous = result.size(); |
jengbrecht | 93:aa7a48e65974 | 729 | int size = io->read(tmp, 255, 0); //1 less than allocated |
jengbrecht | 69:f3e696bbb0d5 | 730 | if(size > 0) { |
jengbrecht | 69:f3e696bbb0d5 | 731 | result.append(tmp, size); |
jengbrecht | 93:aa7a48e65974 | 732 | if (response.size() != 0) { |
jengbrecht | 93:aa7a48e65974 | 733 | if (result.find(response) != string::npos) { |
sam_grove | 131:da8f0e1c264a | 734 | goto exit_func; |
sam_grove | 131:da8f0e1c264a | 735 | //return result; |
jengbrecht | 93:aa7a48e65974 | 736 | } |
jengbrecht | 93:aa7a48e65974 | 737 | } else { |
jengbrecht | 93:aa7a48e65974 | 738 | done = (result.size() == previous); |
jengbrecht | 69:f3e696bbb0d5 | 739 | } |
jengbrecht | 69:f3e696bbb0d5 | 740 | } |
jengbrecht | 69:f3e696bbb0d5 | 741 | if(timer >= timeoutMillis) { |
jengbrecht | 127:526003734633 | 742 | if(!(command.compare("reboot") == 0 || command.compare("") == 0)) { |
jengbrecht | 121:5a7fba896c98 | 743 | printf("[WARNING] sendCommand [%s] timed out after %d milliseconds\r\n", command.c_str(), timeoutMillis); |
jengbrecht | 121:5a7fba896c98 | 744 | } |
jengbrecht | 69:f3e696bbb0d5 | 745 | done = true; |
jengbrecht | 69:f3e696bbb0d5 | 746 | } |
jengbrecht | 69:f3e696bbb0d5 | 747 | } while (!done); |
jengbrecht | 79:f356009dbc12 | 748 | |
sam_grove | 131:da8f0e1c264a | 749 | exit_func: |
sam_grove | 131:da8f0e1c264a | 750 | DBG("Result: %s\n\r", result.c_str()); |
jengbrecht | 69:f3e696bbb0d5 | 751 | return result; |
jengbrecht | 69:f3e696bbb0d5 | 752 | } |