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@127:526003734633, 2014-01-02 (annotated)
- Committer:
- jengbrecht
- Date:
- Thu Jan 02 20:17:45 2014 +0000
- Revision:
- 127:526003734633
- Parent:
- 122:5f95f81a8b03
- Child:
- 130:5a8af68a46ec
- Child:
- 133:da0a2a7b5aa1
Added command mode state check in the constructor.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jengbrecht | 69:f3e696bbb0d5 | 1 | #include "Wifi.h" |
jengbrecht | 93:aa7a48e65974 | 2 | #include <string> |
jengbrecht | 69:f3e696bbb0d5 | 3 | |
jengbrecht | 69:f3e696bbb0d5 | 4 | Wifi* Wifi::instance = NULL; |
jengbrecht | 69:f3e696bbb0d5 | 5 | |
jengbrecht | 69:f3e696bbb0d5 | 6 | Wifi* Wifi::getInstance() |
jengbrecht | 69:f3e696bbb0d5 | 7 | { |
jengbrecht | 69:f3e696bbb0d5 | 8 | if(instance == NULL) { |
jengbrecht | 69:f3e696bbb0d5 | 9 | instance = new Wifi(NULL); |
jengbrecht | 69:f3e696bbb0d5 | 10 | } |
jengbrecht | 69:f3e696bbb0d5 | 11 | return instance; |
jengbrecht | 69:f3e696bbb0d5 | 12 | } |
jengbrecht | 69:f3e696bbb0d5 | 13 | |
jengbrecht | 69:f3e696bbb0d5 | 14 | bool Wifi::init(MTSBufferedIO* io) |
jengbrecht | 69:f3e696bbb0d5 | 15 | { |
jengbrecht | 69:f3e696bbb0d5 | 16 | if (io == NULL) { |
jengbrecht | 69:f3e696bbb0d5 | 17 | return false; |
jengbrecht | 69:f3e696bbb0d5 | 18 | } |
jengbrecht | 69:f3e696bbb0d5 | 19 | instance->io = io; |
jengbrecht | 127:526003734633 | 20 | |
jengbrecht | 127:526003734633 | 21 | //Check initial state of command mode |
jengbrecht | 127:526003734633 | 22 | std::string response = sendCommand("", 1000, ">"); |
jengbrecht | 127:526003734633 | 23 | if(response.find(">") != string::npos) { |
jengbrecht | 127:526003734633 | 24 | cmdOn = true; |
jengbrecht | 127:526003734633 | 25 | } |
jengbrecht | 127:526003734633 | 26 | |
jengbrecht | 94:1baa587e89ae | 27 | //Set device into command mode |
jengbrecht | 94:1baa587e89ae | 28 | if (!setCmdMode(true)) { |
jengbrecht | 94:1baa587e89ae | 29 | return false; |
jengbrecht | 94:1baa587e89ae | 30 | } |
jengbrecht | 94:1baa587e89ae | 31 | |
jengbrecht | 94:1baa587e89ae | 32 | //Set device to non-echo mode |
jengbrecht | 94:1baa587e89ae | 33 | if (sendBasicCommand("set uart mode 1", 1000) != SUCCESS) { |
jengbrecht | 94:1baa587e89ae | 34 | printf("[ERROR] Failed to set to non-echo mode\n\r"); |
jengbrecht | 94:1baa587e89ae | 35 | return false; |
jengbrecht | 74:9f87bd22c222 | 36 | } |
jengbrecht | 94:1baa587e89ae | 37 | |
jengbrecht | 94:1baa587e89ae | 38 | //Set device to manual infrastructure mode |
jengbrecht | 94:1baa587e89ae | 39 | if (sendBasicCommand("set wlan join 0", 1000) != SUCCESS) { |
jengbrecht | 94:1baa587e89ae | 40 | printf("[ERROR] Failed to set join mode\n\r"); |
jengbrecht | 94:1baa587e89ae | 41 | return false; |
jengbrecht | 94:1baa587e89ae | 42 | } |
jengbrecht | 94:1baa587e89ae | 43 | |
jengbrecht | 94:1baa587e89ae | 44 | //Set device to channel auto-scanning mode |
jengbrecht | 94:1baa587e89ae | 45 | if (sendBasicCommand("set wlan channel 0", 1000) != SUCCESS) { |
jengbrecht | 94:1baa587e89ae | 46 | printf("[ERROR] Failed to set auto-scanning mode\n\r"); |
jengbrecht | 94:1baa587e89ae | 47 | return false; |
jengbrecht | 94:1baa587e89ae | 48 | } |
jengbrecht | 94:1baa587e89ae | 49 | |
jengbrecht | 94:1baa587e89ae | 50 | //Set device so no data is transmitted immediately following a socket connection |
jengbrecht | 94:1baa587e89ae | 51 | if (sendBasicCommand("set comm remote 0", 1000) != SUCCESS) { |
jengbrecht | 94:1baa587e89ae | 52 | printf("[ERROR] Failed to set remote transmit mode\n\r"); |
jengbrecht | 94:1baa587e89ae | 53 | return false; |
jengbrecht | 94:1baa587e89ae | 54 | } |
jengbrecht | 106:358972176b89 | 55 | |
jengbrecht | 106:358972176b89 | 56 | //Set device into DHCP mode by default |
jengbrecht | 106:358972176b89 | 57 | if (sendBasicCommand("set ip dhcp 1", 1000) != SUCCESS) { |
jengbrecht | 106:358972176b89 | 58 | printf("[ERROR] Failed to set to default DHCP mode\n\r"); |
jengbrecht | 106:358972176b89 | 59 | return false; |
jengbrecht | 106:358972176b89 | 60 | } |
jengbrecht | 106:358972176b89 | 61 | |
jengbrecht | 94:1baa587e89ae | 62 | return true; |
jengbrecht | 69:f3e696bbb0d5 | 63 | } |
jengbrecht | 69:f3e696bbb0d5 | 64 | |
jengbrecht | 69:f3e696bbb0d5 | 65 | Wifi::Wifi(MTSBufferedIO* io) |
jengbrecht | 69:f3e696bbb0d5 | 66 | : io(io) |
jengbrecht | 69:f3e696bbb0d5 | 67 | , wifiConnected(false) |
jengbrecht | 79:f356009dbc12 | 68 | , _ssid("") |
jengbrecht | 69:f3e696bbb0d5 | 69 | , mode(TCP) |
jengbrecht | 69:f3e696bbb0d5 | 70 | , socketOpened(false) |
jengbrecht | 69:f3e696bbb0d5 | 71 | , socketCloseable(true) |
jengbrecht | 69:f3e696bbb0d5 | 72 | , local_port(0) |
jengbrecht | 106:358972176b89 | 73 | , local_address("") |
jengbrecht | 69:f3e696bbb0d5 | 74 | , host_port(0) |
jengbrecht | 79:f356009dbc12 | 75 | , cmdOn(false) |
jengbrecht | 69:f3e696bbb0d5 | 76 | { |
jengbrecht | 69:f3e696bbb0d5 | 77 | |
jengbrecht | 69:f3e696bbb0d5 | 78 | } |
jengbrecht | 69:f3e696bbb0d5 | 79 | |
jengbrecht | 69:f3e696bbb0d5 | 80 | Wifi::~Wifi() |
jengbrecht | 69:f3e696bbb0d5 | 81 | { |
jengbrecht | 69:f3e696bbb0d5 | 82 | } |
jengbrecht | 69:f3e696bbb0d5 | 83 | |
jengbrecht | 69:f3e696bbb0d5 | 84 | bool Wifi::connect() |
jengbrecht | 69:f3e696bbb0d5 | 85 | { |
jengbrecht | 69:f3e696bbb0d5 | 86 | //Check if socket is open |
jengbrecht | 69:f3e696bbb0d5 | 87 | if(socketOpened) { |
jengbrecht | 69:f3e696bbb0d5 | 88 | return true; |
jengbrecht | 69:f3e696bbb0d5 | 89 | } |
jengbrecht | 69:f3e696bbb0d5 | 90 | |
jengbrecht | 69:f3e696bbb0d5 | 91 | //Run Test first to validate a good state |
jengbrecht | 69:f3e696bbb0d5 | 92 | if(isConnected()) { |
jengbrecht | 69:f3e696bbb0d5 | 93 | return true; |
jengbrecht | 69:f3e696bbb0d5 | 94 | } |
jengbrecht | 69:f3e696bbb0d5 | 95 | |
jengbrecht | 93:aa7a48e65974 | 96 | if (_ssid.size() == 0) { |
jengbrecht | 93:aa7a48e65974 | 97 | printf("[ERROR] No SSID has been set\n\r"); |
jengbrecht | 93:aa7a48e65974 | 98 | return false; |
jengbrecht | 93:aa7a48e65974 | 99 | } |
jengbrecht | 93:aa7a48e65974 | 100 | |
jengbrecht | 98:dbeac735109d | 101 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 102 | return false; |
jengbrecht | 93:aa7a48e65974 | 103 | } |
jengbrecht | 93:aa7a48e65974 | 104 | |
jengbrecht | 69:f3e696bbb0d5 | 105 | //Possibly add a scan command here and look for the network.... |
jengbrecht | 69:f3e696bbb0d5 | 106 | |
jengbrecht | 69:f3e696bbb0d5 | 107 | //join my_network |
jengbrecht | 69:f3e696bbb0d5 | 108 | printf("[DEBUG] Making SSID Connection Attempt. SSID[%s]\r\n", _ssid.c_str()); |
jengbrecht | 93:aa7a48e65974 | 109 | std::string result = sendCommand("join " + _ssid, 15000, "Listen"); |
jengbrecht | 93:aa7a48e65974 | 110 | //printf("Connect Status: %s\n\r", result.c_str()); |
jengbrecht | 69:f3e696bbb0d5 | 111 | |
jengbrecht | 93:aa7a48e65974 | 112 | //Check whether connection was successful |
jengbrecht | 93:aa7a48e65974 | 113 | if(result.find("Associated!") != string::npos) { |
jengbrecht | 106:358972176b89 | 114 | if(result.find("Static") == string::npos) { |
jengbrecht | 106:358972176b89 | 115 | int start = result.find("IP="); |
jengbrecht | 106:358972176b89 | 116 | int stop = result.find(":", start); |
jengbrecht | 106:358972176b89 | 117 | local_address = result.substr(start + 3, stop - start - 3); |
jengbrecht | 106:358972176b89 | 118 | } |
jengbrecht | 93:aa7a48e65974 | 119 | printf("[INFO] WiFi Connection Established: IP[%s]\r\n", local_address.c_str()); |
jengbrecht | 93:aa7a48e65974 | 120 | wifiConnected = true; |
jengbrecht | 106:358972176b89 | 121 | |
jengbrecht | 103:da58d27c15d7 | 122 | //Report Signal Strength of new connection |
jengbrecht | 103:da58d27c15d7 | 123 | wait(1); //Needed for signal strength to be available |
jengbrecht | 103:da58d27c15d7 | 124 | int rssi = getSignalStrength(); |
jengbrecht | 103:da58d27c15d7 | 125 | printf("[DEBUG] Signal strength (dBm): %d\r\n", rssi); |
jengbrecht | 93:aa7a48e65974 | 126 | } else { |
jengbrecht | 93:aa7a48e65974 | 127 | wifiConnected = false; |
jengbrecht | 93:aa7a48e65974 | 128 | } |
jengbrecht | 69:f3e696bbb0d5 | 129 | |
jengbrecht | 69:f3e696bbb0d5 | 130 | return wifiConnected; |
jengbrecht | 69:f3e696bbb0d5 | 131 | } |
jengbrecht | 69:f3e696bbb0d5 | 132 | |
jengbrecht | 69:f3e696bbb0d5 | 133 | void Wifi::disconnect() |
jengbrecht | 69:f3e696bbb0d5 | 134 | { |
jengbrecht | 79:f356009dbc12 | 135 | printf("[DEBUG] Disconnecting from network\r\n"); |
jengbrecht | 79:f356009dbc12 | 136 | |
jengbrecht | 79:f356009dbc12 | 137 | if(socketOpened) { |
jengbrecht | 79:f356009dbc12 | 138 | close(); |
jengbrecht | 79:f356009dbc12 | 139 | } |
jengbrecht | 79:f356009dbc12 | 140 | |
jengbrecht | 98:dbeac735109d | 141 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 142 | printf("[ERROR] Failed in disconnecting from network. Continuing ...\r\n"); |
jengbrecht | 79:f356009dbc12 | 143 | } |
jengbrecht | 79:f356009dbc12 | 144 | |
jengbrecht | 100:9d96b4391151 | 145 | std::string response = sendCommand("leave", 10000, "<4.00>"); |
jengbrecht | 100:9d96b4391151 | 146 | response = sendCommand("show net", 5000, "Links"); |
jengbrecht | 100:9d96b4391151 | 147 | //printf("Response: %s\n\r", response.c_str()); |
jengbrecht | 100:9d96b4391151 | 148 | if (response.find("Assoc=FAIL") != string::npos) { |
jengbrecht | 79:f356009dbc12 | 149 | printf("[DEBUG] Successfully disconnected from network\r\n"); |
jengbrecht | 79:f356009dbc12 | 150 | } else { |
jengbrecht | 79:f356009dbc12 | 151 | printf("[ERROR] Failed in disconnecting from network. Continuing ...\r\n"); |
jengbrecht | 79:f356009dbc12 | 152 | } |
jengbrecht | 79:f356009dbc12 | 153 | |
jengbrecht | 79:f356009dbc12 | 154 | wifiConnected = false; |
jengbrecht | 69:f3e696bbb0d5 | 155 | } |
jengbrecht | 69:f3e696bbb0d5 | 156 | |
jengbrecht | 69:f3e696bbb0d5 | 157 | bool Wifi::isConnected() |
jengbrecht | 69:f3e696bbb0d5 | 158 | { |
jengbrecht | 79:f356009dbc12 | 159 | //1) Check if SSID was set |
jengbrecht | 79:f356009dbc12 | 160 | if(_ssid.size() == 0) { |
jengbrecht | 79:f356009dbc12 | 161 | printf("[DEBUG] SSID is not set\r\n"); |
jengbrecht | 79:f356009dbc12 | 162 | return false; |
jengbrecht | 79:f356009dbc12 | 163 | } |
jengbrecht | 79:f356009dbc12 | 164 | |
jengbrecht | 79:f356009dbc12 | 165 | //1) Check that we do not have a live connection up |
jengbrecht | 117:e59a616ffe16 | 166 | if(isOpen()) { |
jengbrecht | 79:f356009dbc12 | 167 | printf("[DEBUG] Socket is opened\r\n"); |
jengbrecht | 79:f356009dbc12 | 168 | return true; |
jengbrecht | 79:f356009dbc12 | 169 | } |
jengbrecht | 79:f356009dbc12 | 170 | |
jengbrecht | 98:dbeac735109d | 171 | //Check command mode. |
jengbrecht | 98:dbeac735109d | 172 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 173 | return false; |
jengbrecht | 98:dbeac735109d | 174 | } |
jengbrecht | 98:dbeac735109d | 175 | |
jengbrecht | 79:f356009dbc12 | 176 | //2) Query the wifi module |
jengbrecht | 79:f356009dbc12 | 177 | wifiConnected = false; |
jengbrecht | 93:aa7a48e65974 | 178 | std::string result = sendCommand("show net", 5000, "Links"); |
jengbrecht | 93:aa7a48e65974 | 179 | //printf("netResult: %s\n\r", result); |
jengbrecht | 93:aa7a48e65974 | 180 | if(result.find("Assoc=OK") != std::string::npos) { |
jengbrecht | 79:f356009dbc12 | 181 | wifiConnected = true; |
jengbrecht | 79:f356009dbc12 | 182 | } |
jengbrecht | 79:f356009dbc12 | 183 | |
jengbrecht | 79:f356009dbc12 | 184 | return wifiConnected; |
jengbrecht | 69:f3e696bbb0d5 | 185 | } |
jengbrecht | 69:f3e696bbb0d5 | 186 | |
jengbrecht | 69:f3e696bbb0d5 | 187 | bool Wifi::bind(unsigned int port) |
jengbrecht | 69:f3e696bbb0d5 | 188 | { |
jengbrecht | 94:1baa587e89ae | 189 | if(socketOpened) { |
jengbrecht | 94:1baa587e89ae | 190 | printf("[ERROR] socket is open. Can not set local port\r\n"); |
jengbrecht | 94:1baa587e89ae | 191 | return false; |
jengbrecht | 94:1baa587e89ae | 192 | } |
jengbrecht | 94:1baa587e89ae | 193 | if(port > 65535) { |
jengbrecht | 94:1baa587e89ae | 194 | printf("[ERROR] port out of range (0-65535)\r\n"); |
jengbrecht | 94:1baa587e89ae | 195 | return false; |
jengbrecht | 94:1baa587e89ae | 196 | } |
jengbrecht | 94:1baa587e89ae | 197 | local_port = port; |
jengbrecht | 69:f3e696bbb0d5 | 198 | return true; |
jengbrecht | 69:f3e696bbb0d5 | 199 | } |
jengbrecht | 69:f3e696bbb0d5 | 200 | |
jengbrecht | 69:f3e696bbb0d5 | 201 | bool Wifi::open(const std::string& address, unsigned int port, Mode mode) |
jengbrecht | 69:f3e696bbb0d5 | 202 | { |
jengbrecht | 95:4fdf968b5b37 | 203 | char buffer[256] = {0}; |
jengbrecht | 95:4fdf968b5b37 | 204 | printf("[DEBUG] Attempting to Open Socket\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 205 | |
jengbrecht | 95:4fdf968b5b37 | 206 | //1) Check that we do not have a live connection up |
jengbrecht | 95:4fdf968b5b37 | 207 | if(socketOpened) { |
jengbrecht | 95:4fdf968b5b37 | 208 | //Check that the address, port, and mode match |
jengbrecht | 95:4fdf968b5b37 | 209 | if(host_address != address || host_port != port || this->mode != mode) { |
jengbrecht | 95:4fdf968b5b37 | 210 | if(this->mode == TCP) { |
jengbrecht | 95:4fdf968b5b37 | 211 | printf("[ERROR] TCP socket already opened (%s:%d)\r\n", host_address.c_str(), host_port); |
jengbrecht | 95:4fdf968b5b37 | 212 | } else { |
jengbrecht | 95:4fdf968b5b37 | 213 | printf("[ERROR] UDP socket already opened (%s:%d)\r\n", host_address.c_str(), host_port); |
jengbrecht | 95:4fdf968b5b37 | 214 | } |
jengbrecht | 95:4fdf968b5b37 | 215 | return false; |
jengbrecht | 95:4fdf968b5b37 | 216 | } |
jengbrecht | 95:4fdf968b5b37 | 217 | |
jengbrecht | 95:4fdf968b5b37 | 218 | printf("[DEBUG] Socket already opened\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 219 | return true; |
jengbrecht | 95:4fdf968b5b37 | 220 | } |
jengbrecht | 95:4fdf968b5b37 | 221 | |
jengbrecht | 95:4fdf968b5b37 | 222 | //2) Check Parameters |
jengbrecht | 95:4fdf968b5b37 | 223 | if(port > 65535) { |
jengbrecht | 95:4fdf968b5b37 | 224 | printf("[ERROR] port out of range (0-65535)\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 225 | return false; |
jengbrecht | 95:4fdf968b5b37 | 226 | } |
jengbrecht | 95:4fdf968b5b37 | 227 | |
jengbrecht | 95:4fdf968b5b37 | 228 | |
jengbrecht | 95:4fdf968b5b37 | 229 | //3) Check Wifi network connection |
jengbrecht | 95:4fdf968b5b37 | 230 | if(!isConnected()) { |
jengbrecht | 95:4fdf968b5b37 | 231 | printf("[ERROR] Wifi network not connected. Attempting to connect\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 232 | if(!connect()) { |
jengbrecht | 95:4fdf968b5b37 | 233 | printf("[ERROR] Wifi network connection failed\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 234 | return false; |
jengbrecht | 95:4fdf968b5b37 | 235 | } else { |
jengbrecht | 95:4fdf968b5b37 | 236 | printf("[DEBUG] Wifi connection established\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 237 | } |
jengbrecht | 95:4fdf968b5b37 | 238 | } |
jengbrecht | 95:4fdf968b5b37 | 239 | |
jengbrecht | 95:4fdf968b5b37 | 240 | //Check command mode |
jengbrecht | 98:dbeac735109d | 241 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 242 | return false; |
jengbrecht | 95:4fdf968b5b37 | 243 | } |
jengbrecht | 95:4fdf968b5b37 | 244 | |
jengbrecht | 95:4fdf968b5b37 | 245 | //Set Local Port |
jengbrecht | 95:4fdf968b5b37 | 246 | if(local_port != 0) { |
jengbrecht | 95:4fdf968b5b37 | 247 | //Attempt to set local port |
jengbrecht | 95:4fdf968b5b37 | 248 | sprintf(buffer, "set ip localport %d", local_port); |
jengbrecht | 95:4fdf968b5b37 | 249 | Code code = sendBasicCommand(buffer, 1000); |
jengbrecht | 95:4fdf968b5b37 | 250 | if(code != SUCCESS) { |
jengbrecht | 95:4fdf968b5b37 | 251 | printf("[WARNING] Unable to set local port (%d) [%d]. Continuing...\r\n", local_port, (int) code); |
jengbrecht | 95:4fdf968b5b37 | 252 | } |
jengbrecht | 95:4fdf968b5b37 | 253 | } |
jengbrecht | 95:4fdf968b5b37 | 254 | |
jengbrecht | 95:4fdf968b5b37 | 255 | //Set TCP/UDP parameters |
jengbrecht | 95:4fdf968b5b37 | 256 | sprintf(buffer, "set ip remote %d", port); |
jengbrecht | 95:4fdf968b5b37 | 257 | if(sendBasicCommand(buffer, 1000) == SUCCESS) { |
jengbrecht | 95:4fdf968b5b37 | 258 | host_port = port; |
jengbrecht | 95:4fdf968b5b37 | 259 | } else { |
jengbrecht | 95:4fdf968b5b37 | 260 | printf("[ERROR] Host port could not be set\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 261 | } |
jengbrecht | 95:4fdf968b5b37 | 262 | |
jengbrecht | 95:4fdf968b5b37 | 263 | if(sendBasicCommand("set ip host " + address, 1000) == SUCCESS) { |
jengbrecht | 95:4fdf968b5b37 | 264 | host_address = address; |
jengbrecht | 95:4fdf968b5b37 | 265 | } else { |
jengbrecht | 95:4fdf968b5b37 | 266 | printf("[ERROR] Host address could not be set\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 267 | } |
jengbrecht | 95:4fdf968b5b37 | 268 | |
jengbrecht | 100:9d96b4391151 | 269 | if(sendBasicCommand("set ip protocol 8", 1000) != SUCCESS) { |
jengbrecht | 100:9d96b4391151 | 270 | printf("[ERROR] Failed to set TCP mode\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 271 | } |
jengbrecht | 95:4fdf968b5b37 | 272 | |
jengbrecht | 95:4fdf968b5b37 | 273 | // Try and Connect |
jengbrecht | 95:4fdf968b5b37 | 274 | std::string sMode; |
jengbrecht | 95:4fdf968b5b37 | 275 | std::string sOpenSocketCmd; |
jengbrecht | 95:4fdf968b5b37 | 276 | if(mode == TCP) { |
jengbrecht | 95:4fdf968b5b37 | 277 | sOpenSocketCmd = "open"; |
jengbrecht | 95:4fdf968b5b37 | 278 | sMode = "TCP"; |
jengbrecht | 95:4fdf968b5b37 | 279 | } else { |
jengbrecht | 100:9d96b4391151 | 280 | //TODO |
jengbrecht | 100:9d96b4391151 | 281 | //sOpenSocketCmd = "AT#OUDP"; |
jengbrecht | 100:9d96b4391151 | 282 | //sMode = "UDP"; |
jengbrecht | 95:4fdf968b5b37 | 283 | } |
jengbrecht | 100:9d96b4391151 | 284 | string response = sendCommand(sOpenSocketCmd, 10000, "OPEN"); |
jengbrecht | 95:4fdf968b5b37 | 285 | if (response.find("OPEN") != string::npos) { |
jengbrecht | 95:4fdf968b5b37 | 286 | printf("[INFO] Opened %s Socket [%s:%d]\r\n", sMode.c_str(), address.c_str(), port); |
jengbrecht | 95:4fdf968b5b37 | 287 | socketOpened = true; |
jengbrecht | 100:9d96b4391151 | 288 | cmdOn = false; |
jengbrecht | 95:4fdf968b5b37 | 289 | } else { |
jengbrecht | 95:4fdf968b5b37 | 290 | printf("[WARNING] Unable to open %s Socket [%s:%d]\r\n", sMode.c_str(), address.c_str(), port); |
jengbrecht | 95:4fdf968b5b37 | 291 | socketOpened = false; |
jengbrecht | 95:4fdf968b5b37 | 292 | } |
jengbrecht | 95:4fdf968b5b37 | 293 | |
jengbrecht | 95:4fdf968b5b37 | 294 | return socketOpened; |
jengbrecht | 69:f3e696bbb0d5 | 295 | } |
jengbrecht | 69:f3e696bbb0d5 | 296 | |
jengbrecht | 69:f3e696bbb0d5 | 297 | bool Wifi::isOpen() |
jengbrecht | 69:f3e696bbb0d5 | 298 | { |
jengbrecht | 122:5f95f81a8b03 | 299 | if(io->readable()) { |
jengbrecht | 122:5f95f81a8b03 | 300 | printf("[DEBUG] Assuming open, data available to read.\n\r"); |
jengbrecht | 122:5f95f81a8b03 | 301 | return true; |
jengbrecht | 122:5f95f81a8b03 | 302 | } |
jengbrecht | 114:cd34b1d64360 | 303 | if(!setCmdMode(true)) { |
jengbrecht | 114:cd34b1d64360 | 304 | printf("[ERROR] Failed to properly check if TCP connection is open.\r\n"); |
jengbrecht | 114:cd34b1d64360 | 305 | return socketOpened; |
jengbrecht | 114:cd34b1d64360 | 306 | } |
jengbrecht | 114:cd34b1d64360 | 307 | std::string response = sendCommand("show connection", 2000, "\n"); |
jengbrecht | 114:cd34b1d64360 | 308 | int start = response.find("f"); |
jengbrecht | 114:cd34b1d64360 | 309 | if(start != string::npos && response.size() >= (start + 3)) { |
jengbrecht | 114:cd34b1d64360 | 310 | if(response[start + 3] == '1') { |
jengbrecht | 114:cd34b1d64360 | 311 | socketOpened = true; |
jengbrecht | 114:cd34b1d64360 | 312 | } else { |
jengbrecht | 114:cd34b1d64360 | 313 | socketOpened = false; |
jengbrecht | 114:cd34b1d64360 | 314 | } |
jengbrecht | 114:cd34b1d64360 | 315 | } else { |
jengbrecht | 114:cd34b1d64360 | 316 | printf("[WARNING] Trouble checking TCP Connection status.\n\r"); |
jengbrecht | 114:cd34b1d64360 | 317 | } |
jengbrecht | 95:4fdf968b5b37 | 318 | return socketOpened; |
jengbrecht | 69:f3e696bbb0d5 | 319 | } |
jengbrecht | 69:f3e696bbb0d5 | 320 | |
jengbrecht | 69:f3e696bbb0d5 | 321 | bool Wifi::close() |
jengbrecht | 69:f3e696bbb0d5 | 322 | { |
jengbrecht | 114:cd34b1d64360 | 323 | wait(1); |
jengbrecht | 95:4fdf968b5b37 | 324 | if(io == NULL) { |
jengbrecht | 95:4fdf968b5b37 | 325 | printf("[ERROR] MTSBufferedIO not set\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 326 | return false; |
jengbrecht | 95:4fdf968b5b37 | 327 | } |
jengbrecht | 95:4fdf968b5b37 | 328 | |
jengbrecht | 95:4fdf968b5b37 | 329 | if(!socketOpened) { |
jengbrecht | 95:4fdf968b5b37 | 330 | printf("[WARNING] Socket close() called, but socket was not open\r\n"); |
jengbrecht | 95:4fdf968b5b37 | 331 | return true; |
jengbrecht | 95:4fdf968b5b37 | 332 | } |
jengbrecht | 95:4fdf968b5b37 | 333 | |
jengbrecht | 98:dbeac735109d | 334 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 335 | printf("[ERROR] Failed to close socket\r\n"); |
jengbrecht | 98:dbeac735109d | 336 | return false; |
jengbrecht | 95:4fdf968b5b37 | 337 | } |
jengbrecht | 95:4fdf968b5b37 | 338 | |
jengbrecht | 114:cd34b1d64360 | 339 | if(isOpen()) { |
jengbrecht | 114:cd34b1d64360 | 340 | std::string response = sendCommand("close", 3000, "CLOS"); |
jengbrecht | 114:cd34b1d64360 | 341 | if(response.find("CLOS") == string::npos) { |
jengbrecht | 114:cd34b1d64360 | 342 | printf("[WARNING] Failed to successfully close socket...\r\n"); |
jengbrecht | 114:cd34b1d64360 | 343 | return false; |
jengbrecht | 114:cd34b1d64360 | 344 | } |
jengbrecht | 95:4fdf968b5b37 | 345 | } |
jengbrecht | 121:5a7fba896c98 | 346 | |
jengbrecht | 119:544578fd290c | 347 | wait(1); //Wait so the subsequent isOpen calls return correctly. |
jengbrecht | 113:7238f9b8db17 | 348 | io->rxClear(); |
jengbrecht | 113:7238f9b8db17 | 349 | io->txClear(); |
jengbrecht | 114:cd34b1d64360 | 350 | |
jengbrecht | 69:f3e696bbb0d5 | 351 | return true; |
jengbrecht | 69:f3e696bbb0d5 | 352 | } |
jengbrecht | 69:f3e696bbb0d5 | 353 | |
jengbrecht | 69:f3e696bbb0d5 | 354 | int Wifi::read(char* data, int max, int timeout) |
jengbrecht | 69:f3e696bbb0d5 | 355 | { |
jengbrecht | 98:dbeac735109d | 356 | if(io == NULL) { |
jengbrecht | 98:dbeac735109d | 357 | printf("[ERROR] MTSBufferedIO not set\r\n"); |
jengbrecht | 98:dbeac735109d | 358 | return -1; |
jengbrecht | 98:dbeac735109d | 359 | } |
jengbrecht | 98:dbeac735109d | 360 | |
jengbrecht | 98:dbeac735109d | 361 | //Check that nothing is in the rx buffer |
jengbrecht | 98:dbeac735109d | 362 | if(!socketOpened && !io->readable()) { |
jengbrecht | 98:dbeac735109d | 363 | printf("[ERROR] Socket is not open\r\n"); |
jengbrecht | 98:dbeac735109d | 364 | return -1; |
jengbrecht | 98:dbeac735109d | 365 | } |
jengbrecht | 98:dbeac735109d | 366 | |
jengbrecht | 98:dbeac735109d | 367 | //Check for data mode |
jengbrecht | 98:dbeac735109d | 368 | if(!setCmdMode(false)) { |
jengbrecht | 98:dbeac735109d | 369 | printf("[ERROR] Failed to read data due to mode\r\n"); |
jengbrecht | 98:dbeac735109d | 370 | return -1; |
jengbrecht | 98:dbeac735109d | 371 | } |
jengbrecht | 98:dbeac735109d | 372 | |
jengbrecht | 98:dbeac735109d | 373 | int bytesRead = 0; |
jengbrecht | 98:dbeac735109d | 374 | |
jengbrecht | 98:dbeac735109d | 375 | if(timeout >= 0) { |
jengbrecht | 98:dbeac735109d | 376 | bytesRead = io->read(data, max, static_cast<unsigned int>(timeout)); |
jengbrecht | 98:dbeac735109d | 377 | } else { |
jengbrecht | 98:dbeac735109d | 378 | bytesRead = io->read(data, max); |
jengbrecht | 98:dbeac735109d | 379 | } |
jengbrecht | 98:dbeac735109d | 380 | |
jengbrecht | 98:dbeac735109d | 381 | return bytesRead; |
jengbrecht | 69:f3e696bbb0d5 | 382 | } |
jengbrecht | 69:f3e696bbb0d5 | 383 | |
jengbrecht | 69:f3e696bbb0d5 | 384 | int Wifi::write(const char* data, int length, int timeout) |
jengbrecht | 69:f3e696bbb0d5 | 385 | { |
jengbrecht | 98:dbeac735109d | 386 | if(io == NULL) { |
jengbrecht | 98:dbeac735109d | 387 | printf("[ERROR] MTSBufferedIO not set\r\n"); |
jengbrecht | 98:dbeac735109d | 388 | return -1; |
jengbrecht | 98:dbeac735109d | 389 | } |
jengbrecht | 98:dbeac735109d | 390 | |
jengbrecht | 98:dbeac735109d | 391 | if(!socketOpened) { |
jengbrecht | 98:dbeac735109d | 392 | printf("[ERROR] Socket is not open\r\n"); |
jengbrecht | 98:dbeac735109d | 393 | return -1; |
jengbrecht | 98:dbeac735109d | 394 | } |
jengbrecht | 98:dbeac735109d | 395 | |
jengbrecht | 98:dbeac735109d | 396 | //Check for data mode |
jengbrecht | 98:dbeac735109d | 397 | if(!setCmdMode(false)) { |
jengbrecht | 98:dbeac735109d | 398 | printf("[ERROR] Failed to write data due to mode\r\n"); |
jengbrecht | 98:dbeac735109d | 399 | return -1; |
jengbrecht | 98:dbeac735109d | 400 | } |
jengbrecht | 98:dbeac735109d | 401 | |
jengbrecht | 98:dbeac735109d | 402 | int bytesWritten = 0; |
jengbrecht | 103:da58d27c15d7 | 403 | |
jengbrecht | 98:dbeac735109d | 404 | if(timeout >= 0) { |
jengbrecht | 100:9d96b4391151 | 405 | bytesWritten = io->write(data, length, static_cast<unsigned int>(timeout)); |
jengbrecht | 98:dbeac735109d | 406 | } else { |
jengbrecht | 100:9d96b4391151 | 407 | bytesWritten = io->write(data, length); |
jengbrecht | 98:dbeac735109d | 408 | } |
jengbrecht | 103:da58d27c15d7 | 409 | |
jengbrecht | 98:dbeac735109d | 410 | return bytesWritten; |
jengbrecht | 69:f3e696bbb0d5 | 411 | } |
jengbrecht | 69:f3e696bbb0d5 | 412 | |
jengbrecht | 69:f3e696bbb0d5 | 413 | unsigned int Wifi::readable() |
jengbrecht | 69:f3e696bbb0d5 | 414 | { |
jengbrecht | 69:f3e696bbb0d5 | 415 | if(io == NULL) { |
jengbrecht | 69:f3e696bbb0d5 | 416 | printf("[ERROR] MTSBufferedIO not set\r\n"); |
jengbrecht | 69:f3e696bbb0d5 | 417 | return 0; |
jengbrecht | 69:f3e696bbb0d5 | 418 | } |
jengbrecht | 69:f3e696bbb0d5 | 419 | if(!socketOpened) { |
jengbrecht | 69:f3e696bbb0d5 | 420 | printf("[ERROR] Socket is not open\r\n"); |
jengbrecht | 69:f3e696bbb0d5 | 421 | return 0; |
jengbrecht | 69:f3e696bbb0d5 | 422 | } |
jengbrecht | 69:f3e696bbb0d5 | 423 | return io->readable(); |
jengbrecht | 69:f3e696bbb0d5 | 424 | } |
jengbrecht | 69:f3e696bbb0d5 | 425 | |
jengbrecht | 69:f3e696bbb0d5 | 426 | unsigned int Wifi::writeable() |
jengbrecht | 69:f3e696bbb0d5 | 427 | { |
jengbrecht | 69:f3e696bbb0d5 | 428 | if(io == NULL) { |
jengbrecht | 69:f3e696bbb0d5 | 429 | printf("[ERROR] MTSBufferedIO not set\r\n"); |
jengbrecht | 69:f3e696bbb0d5 | 430 | return 0; |
jengbrecht | 69:f3e696bbb0d5 | 431 | } |
jengbrecht | 69:f3e696bbb0d5 | 432 | if(!socketOpened) { |
jengbrecht | 69:f3e696bbb0d5 | 433 | printf("[ERROR] Socket is not open\r\n"); |
jengbrecht | 69:f3e696bbb0d5 | 434 | return 0; |
jengbrecht | 69:f3e696bbb0d5 | 435 | } |
jengbrecht | 69:f3e696bbb0d5 | 436 | |
jengbrecht | 69:f3e696bbb0d5 | 437 | return io->writeable(); |
jengbrecht | 69:f3e696bbb0d5 | 438 | } |
jengbrecht | 69:f3e696bbb0d5 | 439 | |
jengbrecht | 69:f3e696bbb0d5 | 440 | void Wifi::reset() |
jengbrecht | 69:f3e696bbb0d5 | 441 | { |
jengbrecht | 121:5a7fba896c98 | 442 | sendCommand("reboot", 2000); |
jengbrecht | 121:5a7fba896c98 | 443 | wifiConnected = false; |
jengbrecht | 121:5a7fba896c98 | 444 | _ssid = ""; |
jengbrecht | 121:5a7fba896c98 | 445 | mode = TCP; |
jengbrecht | 121:5a7fba896c98 | 446 | socketOpened = false; |
jengbrecht | 121:5a7fba896c98 | 447 | socketCloseable = true; |
jengbrecht | 121:5a7fba896c98 | 448 | local_port = 0; |
jengbrecht | 121:5a7fba896c98 | 449 | local_address = ""; |
jengbrecht | 121:5a7fba896c98 | 450 | host_port = 0; |
jengbrecht | 121:5a7fba896c98 | 451 | cmdOn = false; |
jengbrecht | 121:5a7fba896c98 | 452 | wait(10); |
jengbrecht | 69:f3e696bbb0d5 | 453 | } |
jengbrecht | 69:f3e696bbb0d5 | 454 | |
jengbrecht | 106:358972176b89 | 455 | Code Wifi::setDeviceIP(std::string address) |
jengbrecht | 106:358972176b89 | 456 | { |
jengbrecht | 108:554585370b4a | 457 | //Check for command mode |
jengbrecht | 108:554585370b4a | 458 | if(!setCmdMode(true)) { |
jengbrecht | 108:554585370b4a | 459 | printf("[ERROR] Failed to set IP due to mode issue\r\n"); |
jengbrecht | 108:554585370b4a | 460 | return FAILURE; |
jengbrecht | 108:554585370b4a | 461 | } |
jengbrecht | 113:7238f9b8db17 | 462 | |
jengbrecht | 106:358972176b89 | 463 | //Set to DHCP mode |
jengbrecht | 106:358972176b89 | 464 | if(address.compare("DHCP") == 0) { |
jengbrecht | 106:358972176b89 | 465 | return sendBasicCommand("set ip dhcp 1", 1000); |
jengbrecht | 106:358972176b89 | 466 | } |
jengbrecht | 106:358972176b89 | 467 | |
jengbrecht | 106:358972176b89 | 468 | //Set to static mode and set address |
jengbrecht | 106:358972176b89 | 469 | Code code = sendBasicCommand("set ip address " + address, 1000); |
jengbrecht | 106:358972176b89 | 470 | if(code != SUCCESS) { |
jengbrecht | 106:358972176b89 | 471 | return code; |
jengbrecht | 106:358972176b89 | 472 | } |
jengbrecht | 106:358972176b89 | 473 | code = sendBasicCommand("set ip dhcp 0", 1000); |
jengbrecht | 106:358972176b89 | 474 | if(code != SUCCESS) { |
jengbrecht | 106:358972176b89 | 475 | return code; |
jengbrecht | 106:358972176b89 | 476 | } |
jengbrecht | 106:358972176b89 | 477 | local_address = address; |
jengbrecht | 106:358972176b89 | 478 | return SUCCESS; |
jengbrecht | 106:358972176b89 | 479 | } |
jengbrecht | 106:358972176b89 | 480 | |
jengbrecht | 106:358972176b89 | 481 | std::string Wifi::getDeviceIP() |
jengbrecht | 106:358972176b89 | 482 | { |
jengbrecht | 106:358972176b89 | 483 | return local_address; |
jengbrecht | 106:358972176b89 | 484 | } |
jengbrecht | 106:358972176b89 | 485 | |
jengbrecht | 103:da58d27c15d7 | 486 | Code Wifi::setNetwork(const std::string& ssid, SecurityType type, const std::string& key) |
jengbrecht | 69:f3e696bbb0d5 | 487 | { |
jengbrecht | 98:dbeac735109d | 488 | //Check the command mode |
jengbrecht | 98:dbeac735109d | 489 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 490 | return FAILURE; |
jengbrecht | 98:dbeac735109d | 491 | } |
jengbrecht | 98:dbeac735109d | 492 | |
sgodinez | 73:bb5bbca971ae | 493 | Code code; |
jengbrecht | 69:f3e696bbb0d5 | 494 | |
jengbrecht | 69:f3e696bbb0d5 | 495 | //Set the appropraite SSID |
jengbrecht | 69:f3e696bbb0d5 | 496 | code = sendBasicCommand("set wlan ssid " + ssid, 1000); |
sgodinez | 73:bb5bbca971ae | 497 | if (code != SUCCESS) { |
jengbrecht | 69:f3e696bbb0d5 | 498 | return code; |
jengbrecht | 69:f3e696bbb0d5 | 499 | } |
jengbrecht | 69:f3e696bbb0d5 | 500 | |
jengbrecht | 69:f3e696bbb0d5 | 501 | //Set the security key |
jengbrecht | 69:f3e696bbb0d5 | 502 | if (type == WEP64 || type == WEP128) { |
jengbrecht | 69:f3e696bbb0d5 | 503 | //Set the WEP key if using WEP encryption |
jengbrecht | 69:f3e696bbb0d5 | 504 | code = sendBasicCommand("set wlan key " + key, 1000); |
sgodinez | 73:bb5bbca971ae | 505 | if (code != SUCCESS) { |
jengbrecht | 69:f3e696bbb0d5 | 506 | return code; |
jengbrecht | 69:f3e696bbb0d5 | 507 | } |
jengbrecht | 69:f3e696bbb0d5 | 508 | } else if (type == WPA || type == WPA2) { |
jengbrecht | 69:f3e696bbb0d5 | 509 | //Set the WPA key if using WPA encryption |
jengbrecht | 69:f3e696bbb0d5 | 510 | code = sendBasicCommand("set wlan phrase " + key, 1000); |
sgodinez | 73:bb5bbca971ae | 511 | if (code != SUCCESS) { |
jengbrecht | 69:f3e696bbb0d5 | 512 | return code; |
jengbrecht | 69:f3e696bbb0d5 | 513 | } |
jengbrecht | 69:f3e696bbb0d5 | 514 | } |
jengbrecht | 69:f3e696bbb0d5 | 515 | |
jengbrecht | 69:f3e696bbb0d5 | 516 | _ssid = ssid; |
sgodinez | 73:bb5bbca971ae | 517 | return SUCCESS; |
jengbrecht | 69:f3e696bbb0d5 | 518 | } |
jengbrecht | 69:f3e696bbb0d5 | 519 | |
jengbrecht | 94:1baa587e89ae | 520 | Code Wifi::setDNS(const std::string& dnsName) |
jengbrecht | 94:1baa587e89ae | 521 | { |
jengbrecht | 98:dbeac735109d | 522 | //Check the command mode |
jengbrecht | 98:dbeac735109d | 523 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 524 | return FAILURE; |
jengbrecht | 98:dbeac735109d | 525 | } |
jengbrecht | 98:dbeac735109d | 526 | |
jengbrecht | 94:1baa587e89ae | 527 | return sendBasicCommand("set dns name " + dnsName, 1000); |
jengbrecht | 94:1baa587e89ae | 528 | } |
jengbrecht | 94:1baa587e89ae | 529 | |
jengbrecht | 69:f3e696bbb0d5 | 530 | int Wifi::getSignalStrength() |
jengbrecht | 69:f3e696bbb0d5 | 531 | { |
jengbrecht | 103:da58d27c15d7 | 532 | //Signal strength does not report correctly if not connected |
jengbrecht | 103:da58d27c15d7 | 533 | if(!wifiConnected) { |
jengbrecht | 103:da58d27c15d7 | 534 | printf("[ERROR] Could not get RSSI, Wifi network not connected.\n\r"); |
jengbrecht | 103:da58d27c15d7 | 535 | return 99; |
jengbrecht | 103:da58d27c15d7 | 536 | } |
jengbrecht | 103:da58d27c15d7 | 537 | |
jengbrecht | 98:dbeac735109d | 538 | //Check the command mode |
jengbrecht | 98:dbeac735109d | 539 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 540 | printf("[ERROR] Could not get RSSI\n\r"); |
jengbrecht | 103:da58d27c15d7 | 541 | return 99; |
jengbrecht | 98:dbeac735109d | 542 | } |
jengbrecht | 98:dbeac735109d | 543 | |
jengbrecht | 93:aa7a48e65974 | 544 | string response = sendCommand("show rssi", 2000, "dBm"); |
jengbrecht | 74:9f87bd22c222 | 545 | if (response.find("RSSI") == string::npos) { |
jengbrecht | 98:dbeac735109d | 546 | printf("[ERROR] Could not get RSSI\n\r"); |
jengbrecht | 103:da58d27c15d7 | 547 | return 99; |
jengbrecht | 74:9f87bd22c222 | 548 | } |
jengbrecht | 74:9f87bd22c222 | 549 | int start = response.find('('); |
jengbrecht | 74:9f87bd22c222 | 550 | int stop = response.find(')', start); |
jengbrecht | 74:9f87bd22c222 | 551 | string signal = response.substr(start + 1, stop - start - 1); |
jengbrecht | 74:9f87bd22c222 | 552 | int value; |
jengbrecht | 74:9f87bd22c222 | 553 | sscanf(signal.c_str(), "%d", &value); |
jengbrecht | 74:9f87bd22c222 | 554 | return value; |
jengbrecht | 69:f3e696bbb0d5 | 555 | } |
jengbrecht | 69:f3e696bbb0d5 | 556 | |
jengbrecht | 95:4fdf968b5b37 | 557 | bool Wifi::ping(const std::string& address) |
jengbrecht | 95:4fdf968b5b37 | 558 | { |
jengbrecht | 98:dbeac735109d | 559 | //Check the command mode |
jengbrecht | 98:dbeac735109d | 560 | if(!setCmdMode(true)) { |
jengbrecht | 98:dbeac735109d | 561 | printf("[ERROR] Could not send ping command\n\r"); |
jengbrecht | 98:dbeac735109d | 562 | return false; |
jengbrecht | 98:dbeac735109d | 563 | } |
jengbrecht | 98:dbeac735109d | 564 | |
jengbrecht | 95:4fdf968b5b37 | 565 | std::string response; |
jengbrecht | 95:4fdf968b5b37 | 566 | for (int i = 0; i < PINGNUM; i++) { |
jengbrecht | 95:4fdf968b5b37 | 567 | response = sendCommand("ping " + address, PINGDELAY * 1000, "reply"); |
jengbrecht | 95:4fdf968b5b37 | 568 | if (response.find("reply") != std::string::npos) { |
jengbrecht | 95:4fdf968b5b37 | 569 | return true; |
jengbrecht | 95:4fdf968b5b37 | 570 | } |
jengbrecht | 95:4fdf968b5b37 | 571 | } |
jengbrecht | 95:4fdf968b5b37 | 572 | return false; |
jengbrecht | 95:4fdf968b5b37 | 573 | } |
jengbrecht | 95:4fdf968b5b37 | 574 | |
jengbrecht | 79:f356009dbc12 | 575 | bool Wifi::setCmdMode(bool on) |
jengbrecht | 74:9f87bd22c222 | 576 | { |
jengbrecht | 79:f356009dbc12 | 577 | if (on) { |
jengbrecht | 79:f356009dbc12 | 578 | if (cmdOn) { |
jengbrecht | 79:f356009dbc12 | 579 | return true; |
jengbrecht | 79:f356009dbc12 | 580 | } |
jengbrecht | 79:f356009dbc12 | 581 | wait(.5); |
jengbrecht | 93:aa7a48e65974 | 582 | std::string response = sendCommand("$$", 2000, "CMD", '$'); |
jengbrecht | 79:f356009dbc12 | 583 | if (response.find("CMD") != string::npos) { |
jengbrecht | 79:f356009dbc12 | 584 | cmdOn = true; |
jengbrecht | 113:7238f9b8db17 | 585 | wait(.5); |
jengbrecht | 79:f356009dbc12 | 586 | return true; |
jengbrecht | 79:f356009dbc12 | 587 | } |
jengbrecht | 98:dbeac735109d | 588 | printf("[ERROR] Failed to enter command mode\n\r"); |
jengbrecht | 79:f356009dbc12 | 589 | return false; |
jengbrecht | 79:f356009dbc12 | 590 | } else { |
jengbrecht | 79:f356009dbc12 | 591 | if (!cmdOn) { |
jengbrecht | 79:f356009dbc12 | 592 | return true; |
jengbrecht | 79:f356009dbc12 | 593 | } |
jengbrecht | 93:aa7a48e65974 | 594 | std::string response = sendCommand("exit", 2000, "EXIT"); |
jengbrecht | 79:f356009dbc12 | 595 | if (response.find("EXIT") != string::npos) { |
jengbrecht | 79:f356009dbc12 | 596 | cmdOn = false; |
jengbrecht | 79:f356009dbc12 | 597 | return true; |
jengbrecht | 79:f356009dbc12 | 598 | } |
jengbrecht | 98:dbeac735109d | 599 | printf("[ERROR] Failed to exit command mode\n\r"); |
jengbrecht | 79:f356009dbc12 | 600 | return false; |
jengbrecht | 74:9f87bd22c222 | 601 | } |
jengbrecht | 74:9f87bd22c222 | 602 | } |
jengbrecht | 69:f3e696bbb0d5 | 603 | |
sgodinez | 73:bb5bbca971ae | 604 | Code Wifi::sendBasicCommand(string command, int timeoutMillis, char esc) |
jengbrecht | 69:f3e696bbb0d5 | 605 | { |
jengbrecht | 69:f3e696bbb0d5 | 606 | if(socketOpened) { |
jengbrecht | 69:f3e696bbb0d5 | 607 | printf("[ERROR] socket is open. Can not send AT commands\r\n"); |
sgodinez | 73:bb5bbca971ae | 608 | return ERROR; |
jengbrecht | 69:f3e696bbb0d5 | 609 | } |
jengbrecht | 69:f3e696bbb0d5 | 610 | |
jengbrecht | 93:aa7a48e65974 | 611 | string response = sendCommand(command, timeoutMillis, "AOK", esc); |
jengbrecht | 69:f3e696bbb0d5 | 612 | //printf("Response: %s\n\r", response.c_str()); |
jengbrecht | 69:f3e696bbb0d5 | 613 | if (response.size() == 0) { |
sgodinez | 73:bb5bbca971ae | 614 | return NO_RESPONSE; |
jengbrecht | 69:f3e696bbb0d5 | 615 | } else if (response.find("AOK") != string::npos) { |
sgodinez | 73:bb5bbca971ae | 616 | return SUCCESS; |
jengbrecht | 69:f3e696bbb0d5 | 617 | } else if (response.find("ERR") != string::npos) { |
sgodinez | 73:bb5bbca971ae | 618 | return ERROR; |
jengbrecht | 69:f3e696bbb0d5 | 619 | } else { |
sgodinez | 73:bb5bbca971ae | 620 | return FAILURE; |
jengbrecht | 69:f3e696bbb0d5 | 621 | } |
jengbrecht | 69:f3e696bbb0d5 | 622 | } |
jengbrecht | 69:f3e696bbb0d5 | 623 | |
jengbrecht | 93:aa7a48e65974 | 624 | string Wifi::sendCommand(string command, int timeoutMillis, std::string response, char esc) |
jengbrecht | 69:f3e696bbb0d5 | 625 | { |
jengbrecht | 69:f3e696bbb0d5 | 626 | if(io == NULL) { |
jengbrecht | 69:f3e696bbb0d5 | 627 | printf("[ERROR] MTSBufferedIO not set\r\n"); |
jengbrecht | 69:f3e696bbb0d5 | 628 | return ""; |
jengbrecht | 69:f3e696bbb0d5 | 629 | } |
jengbrecht | 106:358972176b89 | 630 | //if(socketOpened && command.compare("$$") != 0 && command.compare("exit") != 0 && command.compare("close") != 0) { |
jengbrecht | 106:358972176b89 | 631 | // printf("[ERROR] socket is open. Can not send AT commands\r\n"); |
jengbrecht | 106:358972176b89 | 632 | // return ""; |
jengbrecht | 106:358972176b89 | 633 | //} |
jengbrecht | 69:f3e696bbb0d5 | 634 | |
jengbrecht | 69:f3e696bbb0d5 | 635 | io->rxClear(); |
jengbrecht | 69:f3e696bbb0d5 | 636 | io->txClear(); |
jengbrecht | 69:f3e696bbb0d5 | 637 | std::string result; |
jengbrecht | 79:f356009dbc12 | 638 | |
sgodinez | 73:bb5bbca971ae | 639 | //Attempt to write command |
sgodinez | 73:bb5bbca971ae | 640 | if(io->write(command.data(), command.size(), timeoutMillis) != command.size()) { |
sgodinez | 73:bb5bbca971ae | 641 | //Failed to write command |
sgodinez | 73:bb5bbca971ae | 642 | printf("[ERROR] failed to send command to radio within %d milliseconds\r\n", timeoutMillis); |
sgodinez | 73:bb5bbca971ae | 643 | return ""; |
sgodinez | 73:bb5bbca971ae | 644 | } |
jengbrecht | 79:f356009dbc12 | 645 | |
sgodinez | 73:bb5bbca971ae | 646 | //Send Escape Character |
sgodinez | 73:bb5bbca971ae | 647 | if (esc != 0x00) { |
sgodinez | 73:bb5bbca971ae | 648 | if(io->write(esc, timeoutMillis) != 1) { |
sgodinez | 73:bb5bbca971ae | 649 | printf("[ERROR] failed to send '%c' to radio within %d milliseconds\r\n", esc, timeoutMillis); |
sgodinez | 73:bb5bbca971ae | 650 | return ""; |
sgodinez | 73:bb5bbca971ae | 651 | } |
sgodinez | 73:bb5bbca971ae | 652 | } |
sgodinez | 73:bb5bbca971ae | 653 | |
jengbrecht | 69:f3e696bbb0d5 | 654 | int timer = 0; |
sgodinez | 73:bb5bbca971ae | 655 | size_t previous = 0; |
jengbrecht | 69:f3e696bbb0d5 | 656 | char tmp[256]; |
jengbrecht | 69:f3e696bbb0d5 | 657 | tmp[255] = 0; |
jengbrecht | 69:f3e696bbb0d5 | 658 | bool done = false; |
jengbrecht | 69:f3e696bbb0d5 | 659 | do { |
jengbrecht | 93:aa7a48e65974 | 660 | wait(.2); |
jengbrecht | 93:aa7a48e65974 | 661 | timer = timer + 200; |
sgodinez | 73:bb5bbca971ae | 662 | previous = result.size(); |
jengbrecht | 93:aa7a48e65974 | 663 | int size = io->read(tmp, 255, 0); //1 less than allocated |
jengbrecht | 69:f3e696bbb0d5 | 664 | if(size > 0) { |
jengbrecht | 69:f3e696bbb0d5 | 665 | result.append(tmp, size); |
jengbrecht | 93:aa7a48e65974 | 666 | if (response.size() != 0) { |
jengbrecht | 93:aa7a48e65974 | 667 | if (result.find(response) != string::npos) { |
jengbrecht | 93:aa7a48e65974 | 668 | return result; |
jengbrecht | 93:aa7a48e65974 | 669 | } |
jengbrecht | 93:aa7a48e65974 | 670 | } else { |
jengbrecht | 93:aa7a48e65974 | 671 | done = (result.size() == previous); |
jengbrecht | 69:f3e696bbb0d5 | 672 | } |
jengbrecht | 69:f3e696bbb0d5 | 673 | } |
jengbrecht | 69:f3e696bbb0d5 | 674 | if(timer >= timeoutMillis) { |
jengbrecht | 127:526003734633 | 675 | if(!(command.compare("reboot") == 0 || command.compare("") == 0)) { |
jengbrecht | 121:5a7fba896c98 | 676 | printf("[WARNING] sendCommand [%s] timed out after %d milliseconds\r\n", command.c_str(), timeoutMillis); |
jengbrecht | 121:5a7fba896c98 | 677 | } |
jengbrecht | 69:f3e696bbb0d5 | 678 | done = true; |
jengbrecht | 69:f3e696bbb0d5 | 679 | } |
jengbrecht | 69:f3e696bbb0d5 | 680 | } while (!done); |
jengbrecht | 79:f356009dbc12 | 681 | |
jengbrecht | 93:aa7a48e65974 | 682 | //printf("Result: %s\n\r", result.c_str()); |
jengbrecht | 69:f3e696bbb0d5 | 683 | return result; |
jengbrecht | 69:f3e696bbb0d5 | 684 | } |