Bender Robotics / Mbed 2 deprecated PLAUCI_full

posilani dat

Dependencies:   FatFileSystemCpp mbed PowerControl USBHostLite

WiflyInterface/Wifly/Wifly.cpp@7:805c16a071d0, 2015-04-20 (annotated)

Committer:
jkaderka
Date:
Mon Apr 20 18:14:54 2015 +0000
Revision:
7:805c16a071d0
Child:
11:137108e3403e
WiflyInterface converted to folder to avoid updating the oficial library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jkaderka 7:805c16a071d0 1 /* Copyright (C) 2012 mbed.org, MIT License
jkaderka 7:805c16a071d0 2 *
jkaderka 7:805c16a071d0 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
jkaderka 7:805c16a071d0 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
jkaderka 7:805c16a071d0 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
jkaderka 7:805c16a071d0 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
jkaderka 7:805c16a071d0 7 * furnished to do so, subject to the following conditions:
jkaderka 7:805c16a071d0 8 *
jkaderka 7:805c16a071d0 9 * The above copyright notice and this permission notice shall be included in all copies or
jkaderka 7:805c16a071d0 10 * substantial portions of the Software.
jkaderka 7:805c16a071d0 11 *
jkaderka 7:805c16a071d0 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
jkaderka 7:805c16a071d0 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
jkaderka 7:805c16a071d0 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
jkaderka 7:805c16a071d0 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jkaderka 7:805c16a071d0 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
jkaderka 7:805c16a071d0 17 */
jkaderka 7:805c16a071d0 18
jkaderka 7:805c16a071d0 19 #include "mbed.h"
jkaderka 7:805c16a071d0 20 #include "Wifly.h"
jkaderka 7:805c16a071d0 21 #include <string>
jkaderka 7:805c16a071d0 22 #include <algorithm>
jkaderka 7:805c16a071d0 23
jkaderka 7:805c16a071d0 24 //Debug is disabled by default
jkaderka 7:805c16a071d0 25 #if (0 && !defined(TARGET_LPC11U24))
jkaderka 7:805c16a071d0 26 #define DBG(x, ...) std::printf("[Wifly : DBG]"x"\r\n", ##__VA_ARGS__);
jkaderka 7:805c16a071d0 27 #define WARN(x, ...) std::printf("[Wifly : WARN]"x"\r\n", ##__VA_ARGS__);
jkaderka 7:805c16a071d0 28 #define ERR(x, ...) std::printf("[Wifly : ERR]"x"\r\n", ##__VA_ARGS__);
jkaderka 7:805c16a071d0 29 #else
jkaderka 7:805c16a071d0 30 #define DBG(x, ...)
jkaderka 7:805c16a071d0 31 #define WARN(x, ...)
jkaderka 7:805c16a071d0 32 #define ERR(x, ...)
jkaderka 7:805c16a071d0 33 #endif
jkaderka 7:805c16a071d0 34
jkaderka 7:805c16a071d0 35 #if !defined(TARGET_LPC11U24)
jkaderka 7:805c16a071d0 36 #define INFO(x, ...) printf("[Wifly : INFO]"x"\r\n", ##__VA_ARGS__);
jkaderka 7:805c16a071d0 37 #else
jkaderka 7:805c16a071d0 38 #define INFO(x, ...)
jkaderka 7:805c16a071d0 39 #endif
jkaderka 7:805c16a071d0 40
jkaderka 7:805c16a071d0 41 #define MAX_TRY_JOIN 3
jkaderka 7:805c16a071d0 42
jkaderka 7:805c16a071d0 43 Wifly * Wifly::inst;
jkaderka 7:805c16a071d0 44
jkaderka 7:805c16a071d0 45 Wifly::Wifly( PinName tx, PinName rx, PinName _reset, PinName tcp_status, const char * ssid, const char * phrase, Security sec):
jkaderka 7:805c16a071d0 46 wifi(tx, rx), reset_pin(_reset), tcp_status(tcp_status), buf_wifly(256)
jkaderka 7:805c16a071d0 47 {
jkaderka 7:805c16a071d0 48 memset(&state, 0, sizeof(state));
jkaderka 7:805c16a071d0 49 state.sec = sec;
jkaderka 7:805c16a071d0 50
jkaderka 7:805c16a071d0 51 // change all ' ' in '$' in the ssid and the passphrase
jkaderka 7:805c16a071d0 52 strcpy(this->ssid, ssid);
jkaderka 7:805c16a071d0 53 for (int i = 0; i < strlen(ssid); i++) {
jkaderka 7:805c16a071d0 54 if (this->ssid[i] == ' ')
jkaderka 7:805c16a071d0 55 this->ssid[i] = '$';
jkaderka 7:805c16a071d0 56 }
jkaderka 7:805c16a071d0 57 strcpy(this->phrase, phrase);
jkaderka 7:805c16a071d0 58 for (int i = 0; i < strlen(phrase); i++) {
jkaderka 7:805c16a071d0 59 if (this->phrase[i] == ' ')
jkaderka 7:805c16a071d0 60 this->phrase[i] = '$';
jkaderka 7:805c16a071d0 61 }
jkaderka 7:805c16a071d0 62
jkaderka 7:805c16a071d0 63 inst = this;
jkaderka 7:805c16a071d0 64 attach_rx(false);
jkaderka 7:805c16a071d0 65 state.cmd_mode = false;
jkaderka 7:805c16a071d0 66 }
jkaderka 7:805c16a071d0 67
jkaderka 7:805c16a071d0 68 void Wifly::baudr(int baudrate)
jkaderka 7:805c16a071d0 69 {
jkaderka 7:805c16a071d0 70 char cmd[50];
jkaderka 7:805c16a071d0 71
jkaderka 7:805c16a071d0 72 sprintf(cmd, "set uart instant %d\r", baudrate);
jkaderka 7:805c16a071d0 73 sendCommand(cmd, NULL);
jkaderka 7:805c16a071d0 74 wait(1);
jkaderka 7:805c16a071d0 75
jkaderka 7:805c16a071d0 76 wifi.baud(baudrate);
jkaderka 7:805c16a071d0 77 }
jkaderka 7:805c16a071d0 78
jkaderka 7:805c16a071d0 79 bool Wifly::join()
jkaderka 7:805c16a071d0 80 {
jkaderka 7:805c16a071d0 81 char cmd[75];
jkaderka 7:805c16a071d0 82
jkaderka 7:805c16a071d0 83 for (int i= 0; i < MAX_TRY_JOIN; i++) {
jkaderka 7:805c16a071d0 84
jkaderka 7:805c16a071d0 85 // no auto join
jkaderka 7:805c16a071d0 86 if (!sendCommand("set w j 0\r", "AOK"))
jkaderka 7:805c16a071d0 87 continue;
jkaderka 7:805c16a071d0 88
jkaderka 7:805c16a071d0 89 //no echo
jkaderka 7:805c16a071d0 90 if (!sendCommand("set u m 1\r", "AOK"))
jkaderka 7:805c16a071d0 91 continue;
jkaderka 7:805c16a071d0 92
jkaderka 7:805c16a071d0 93 // set time
jkaderka 7:805c16a071d0 94 if (!sendCommand("set c t 30\r", "AOK"))
jkaderka 7:805c16a071d0 95 continue;
jkaderka 7:805c16a071d0 96
jkaderka 7:805c16a071d0 97 // set size
jkaderka 7:805c16a071d0 98 if (!sendCommand("set c s 1024\r", "AOK"))
jkaderka 7:805c16a071d0 99 continue;
jkaderka 7:805c16a071d0 100
jkaderka 7:805c16a071d0 101 // red led on when tcp connection active
jkaderka 7:805c16a071d0 102 if (!sendCommand("set s i 0x40\r", "AOK"))
jkaderka 7:805c16a071d0 103 continue;
jkaderka 7:805c16a071d0 104
jkaderka 7:805c16a071d0 105 // no string sent to the tcp client
jkaderka 7:805c16a071d0 106 if (!sendCommand("set c r 0\r", "AOK"))
jkaderka 7:805c16a071d0 107 continue;
jkaderka 7:805c16a071d0 108
jkaderka 7:805c16a071d0 109 // tcp protocol
jkaderka 7:805c16a071d0 110 if (!sendCommand("set i p 2\r", "AOK"))
jkaderka 7:805c16a071d0 111 continue;
jkaderka 7:805c16a071d0 112
jkaderka 7:805c16a071d0 113 // tcp retry
jkaderka 7:805c16a071d0 114 if (!sendCommand("set i f 0x7\r", "AOK"))
jkaderka 7:805c16a071d0 115 continue;
jkaderka 7:805c16a071d0 116
jkaderka 7:805c16a071d0 117 // set dns server
jkaderka 7:805c16a071d0 118 if (!sendCommand("set d n rn.microchip.com\r", "AOK"))
jkaderka 7:805c16a071d0 119 continue;
jkaderka 7:805c16a071d0 120
jkaderka 7:805c16a071d0 121 //dhcp
jkaderka 7:805c16a071d0 122 sprintf(cmd, "set i d %d\r", (state.dhcp) ? 1 : 0);
jkaderka 7:805c16a071d0 123 if (!sendCommand(cmd, "AOK"))
jkaderka 7:805c16a071d0 124 continue;
jkaderka 7:805c16a071d0 125
jkaderka 7:805c16a071d0 126 // ssid
jkaderka 7:805c16a071d0 127 sprintf(cmd, "set w s %s\r", ssid);
jkaderka 7:805c16a071d0 128 if (!sendCommand(cmd, "AOK"))
jkaderka 7:805c16a071d0 129 continue;
jkaderka 7:805c16a071d0 130
jkaderka 7:805c16a071d0 131 //auth
jkaderka 7:805c16a071d0 132 sprintf(cmd, "set w a %d\r", state.sec);
jkaderka 7:805c16a071d0 133 if (!sendCommand(cmd, "AOK"))
jkaderka 7:805c16a071d0 134 continue;
jkaderka 7:805c16a071d0 135
jkaderka 7:805c16a071d0 136 // if no dhcp, set ip, netmask and gateway
jkaderka 7:805c16a071d0 137 if (!state.dhcp) {
jkaderka 7:805c16a071d0 138 DBG("not dhcp\r");
jkaderka 7:805c16a071d0 139
jkaderka 7:805c16a071d0 140 sprintf(cmd, "set i a %s\r\n", ip);
jkaderka 7:805c16a071d0 141 if (!sendCommand(cmd, "AOK"))
jkaderka 7:805c16a071d0 142 continue;
jkaderka 7:805c16a071d0 143
jkaderka 7:805c16a071d0 144 sprintf(cmd, "set i n %s\r", netmask);
jkaderka 7:805c16a071d0 145 if (!sendCommand(cmd, "AOK"))
jkaderka 7:805c16a071d0 146 continue;
jkaderka 7:805c16a071d0 147
jkaderka 7:805c16a071d0 148 sprintf(cmd, "set i g %s\r", gateway);
jkaderka 7:805c16a071d0 149 if (!sendCommand(cmd, "AOK"))
jkaderka 7:805c16a071d0 150 continue;
jkaderka 7:805c16a071d0 151 }
jkaderka 7:805c16a071d0 152
jkaderka 7:805c16a071d0 153 //key step
jkaderka 7:805c16a071d0 154 if (state.sec != NONE) {
jkaderka 7:805c16a071d0 155 if (state.sec == WPA)
jkaderka 7:805c16a071d0 156 sprintf(cmd, "set w p %s\r", phrase);
jkaderka 7:805c16a071d0 157 else if (state.sec == WEP_128)
jkaderka 7:805c16a071d0 158 sprintf(cmd, "set w k %s\r", phrase);
jkaderka 7:805c16a071d0 159
jkaderka 7:805c16a071d0 160 if (!sendCommand(cmd, "AOK"))
jkaderka 7:805c16a071d0 161 continue;
jkaderka 7:805c16a071d0 162 }
jkaderka 7:805c16a071d0 163
jkaderka 7:805c16a071d0 164 //join the network (10s timeout)
jkaderka 7:805c16a071d0 165 if (state.dhcp) {
jkaderka 7:805c16a071d0 166 if (!sendCommand("join\r", "DHCP=ON", NULL, 10000))
jkaderka 7:805c16a071d0 167 continue;
jkaderka 7:805c16a071d0 168 } else {
jkaderka 7:805c16a071d0 169 if (!sendCommand("join\r", "Associated", NULL, 10000))
jkaderka 7:805c16a071d0 170 continue;
jkaderka 7:805c16a071d0 171 }
jkaderka 7:805c16a071d0 172
jkaderka 7:805c16a071d0 173 if (!sendCommand("save\r", "Stor"))
jkaderka 7:805c16a071d0 174 continue;
jkaderka 7:805c16a071d0 175
jkaderka 7:805c16a071d0 176 exit();
jkaderka 7:805c16a071d0 177
jkaderka 7:805c16a071d0 178 state.associated = true;
jkaderka 7:805c16a071d0 179 INFO("\r\nssid: %s\r\nphrase: %s\r\nsecurity: %s\r\n\r\n", this->ssid, this->phrase, getStringSecurity());
jkaderka 7:805c16a071d0 180 return true;
jkaderka 7:805c16a071d0 181 }
jkaderka 7:805c16a071d0 182 return false;
jkaderka 7:805c16a071d0 183 }
jkaderka 7:805c16a071d0 184
jkaderka 7:805c16a071d0 185
jkaderka 7:805c16a071d0 186 bool Wifly::setProtocol(Protocol p)
jkaderka 7:805c16a071d0 187 {
jkaderka 7:805c16a071d0 188 // use udp auto pairing
jkaderka 7:805c16a071d0 189 char cmd[20];
jkaderka 7:805c16a071d0 190 sprintf(cmd, "set i p %d\r", p);
jkaderka 7:805c16a071d0 191 if (!sendCommand(cmd, "AOK"))
jkaderka 7:805c16a071d0 192 return false;
jkaderka 7:805c16a071d0 193
jkaderka 7:805c16a071d0 194 switch(p) {
jkaderka 7:805c16a071d0 195 case TCP:
jkaderka 7:805c16a071d0 196 // set ip flags: tcp retry enabled
jkaderka 7:805c16a071d0 197 if (!sendCommand("set i f 0x07\r", "AOK"))
jkaderka 7:805c16a071d0 198 return false;
jkaderka 7:805c16a071d0 199 break;
jkaderka 7:805c16a071d0 200 case UDP:
jkaderka 7:805c16a071d0 201 // set ip flags: udp auto pairing enabled
jkaderka 7:805c16a071d0 202 if (!sendCommand("set i h 0.0.0.0\r", "AOK"))
jkaderka 7:805c16a071d0 203 return false;
jkaderka 7:805c16a071d0 204 if (!sendCommand("set i f 0x40\r", "AOK"))
jkaderka 7:805c16a071d0 205 return false;
jkaderka 7:805c16a071d0 206 break;
jkaderka 7:805c16a071d0 207 }
jkaderka 7:805c16a071d0 208 state.proto = p;
jkaderka 7:805c16a071d0 209 return true;
jkaderka 7:805c16a071d0 210 }
jkaderka 7:805c16a071d0 211
jkaderka 7:805c16a071d0 212 char * Wifly::getStringSecurity()
jkaderka 7:805c16a071d0 213 {
jkaderka 7:805c16a071d0 214 switch(state.sec) {
jkaderka 7:805c16a071d0 215 case NONE:
jkaderka 7:805c16a071d0 216 return "NONE";
jkaderka 7:805c16a071d0 217 case WEP_128:
jkaderka 7:805c16a071d0 218 return "WEP_128";
jkaderka 7:805c16a071d0 219 case WPA:
jkaderka 7:805c16a071d0 220 return "WPA";
jkaderka 7:805c16a071d0 221 }
jkaderka 7:805c16a071d0 222 return "UNKNOWN";
jkaderka 7:805c16a071d0 223 }
jkaderka 7:805c16a071d0 224
jkaderka 7:805c16a071d0 225 bool Wifly::connect(const char * host, int port)
jkaderka 7:805c16a071d0 226 {
jkaderka 7:805c16a071d0 227 char rcv[20];
jkaderka 7:805c16a071d0 228 char cmd[20];
jkaderka 7:805c16a071d0 229
jkaderka 7:805c16a071d0 230 // try to open
jkaderka 7:805c16a071d0 231 sprintf(cmd, "open %s %d\r", host, port);
jkaderka 7:805c16a071d0 232 if (sendCommand(cmd, "OPEN", NULL, 10000)) {
jkaderka 7:805c16a071d0 233 state.tcp = true;
jkaderka 7:805c16a071d0 234 state.cmd_mode = false;
jkaderka 7:805c16a071d0 235 return true;
jkaderka 7:805c16a071d0 236 }
jkaderka 7:805c16a071d0 237
jkaderka 7:805c16a071d0 238 // if failed, retry and parse the response
jkaderka 7:805c16a071d0 239 if (sendCommand(cmd, NULL, rcv, 5000)) {
jkaderka 7:805c16a071d0 240 if (strstr(rcv, "OPEN") == NULL) {
jkaderka 7:805c16a071d0 241 if (strstr(rcv, "Connected") != NULL) {
jkaderka 7:805c16a071d0 242 wait(0.25);
jkaderka 7:805c16a071d0 243 if (!sendCommand("close\r", "CLOS"))
jkaderka 7:805c16a071d0 244 return false;
jkaderka 7:805c16a071d0 245 wait(0.25);
jkaderka 7:805c16a071d0 246 if (!sendCommand(cmd, "OPEN", NULL, 10000))
jkaderka 7:805c16a071d0 247 return false;
jkaderka 7:805c16a071d0 248 } else {
jkaderka 7:805c16a071d0 249 return false;
jkaderka 7:805c16a071d0 250 }
jkaderka 7:805c16a071d0 251 }
jkaderka 7:805c16a071d0 252 } else {
jkaderka 7:805c16a071d0 253 return false;
jkaderka 7:805c16a071d0 254 }
jkaderka 7:805c16a071d0 255
jkaderka 7:805c16a071d0 256 state.tcp = true;
jkaderka 7:805c16a071d0 257 state.cmd_mode = false;
jkaderka 7:805c16a071d0 258
jkaderka 7:805c16a071d0 259 return true;
jkaderka 7:805c16a071d0 260 }
jkaderka 7:805c16a071d0 261
jkaderka 7:805c16a071d0 262
jkaderka 7:805c16a071d0 263 bool Wifly::gethostbyname(const char * host, char * ip)
jkaderka 7:805c16a071d0 264 {
jkaderka 7:805c16a071d0 265 string h = host;
jkaderka 7:805c16a071d0 266 char cmd[30], rcv[100];
jkaderka 7:805c16a071d0 267 int l = 0;
jkaderka 7:805c16a071d0 268 char * point;
jkaderka 7:805c16a071d0 269 int nb_digits = 0;
jkaderka 7:805c16a071d0 270
jkaderka 7:805c16a071d0 271 // no dns needed
jkaderka 7:805c16a071d0 272 int pos = h.find(".");
jkaderka 7:805c16a071d0 273 if (pos != string::npos) {
jkaderka 7:805c16a071d0 274 string sub = h.substr(0, h.find("."));
jkaderka 7:805c16a071d0 275 nb_digits = atoi(sub.c_str());
jkaderka 7:805c16a071d0 276 }
jkaderka 7:805c16a071d0 277 //printf("substrL %s\r\n", sub.c_str());
jkaderka 7:805c16a071d0 278 if (count(h.begin(), h.end(), '.') == 3 && nb_digits > 0) {
jkaderka 7:805c16a071d0 279 strcpy(ip, host);
jkaderka 7:805c16a071d0 280 }
jkaderka 7:805c16a071d0 281 // dns needed
jkaderka 7:805c16a071d0 282 else {
jkaderka 7:805c16a071d0 283 nb_digits = 0;
jkaderka 7:805c16a071d0 284 sprintf(cmd, "lookup %s\r", host);
jkaderka 7:805c16a071d0 285 if (!sendCommand(cmd, NULL, rcv))
jkaderka 7:805c16a071d0 286 return false;
jkaderka 7:805c16a071d0 287
jkaderka 7:805c16a071d0 288 // look for the ip address
jkaderka 7:805c16a071d0 289 char * begin = strstr(rcv, "=") + 1;
jkaderka 7:805c16a071d0 290 for (int i = 0; i < 3; i++) {
jkaderka 7:805c16a071d0 291 point = strstr(begin + l, ".");
jkaderka 7:805c16a071d0 292 DBG("str: %s", begin + l);
jkaderka 7:805c16a071d0 293 l += point - (begin + l) + 1;
jkaderka 7:805c16a071d0 294 }
jkaderka 7:805c16a071d0 295 DBG("str: %s", begin + l);
jkaderka 7:805c16a071d0 296 while(*(begin + l + nb_digits) >= '0' && *(begin + l + nb_digits) <= '9') {
jkaderka 7:805c16a071d0 297 DBG("digit: %c", *(begin + l + nb_digits));
jkaderka 7:805c16a071d0 298 nb_digits++;
jkaderka 7:805c16a071d0 299 }
jkaderka 7:805c16a071d0 300 memcpy(ip, begin, l + nb_digits);
jkaderka 7:805c16a071d0 301 ip[l+nb_digits] = 0;
jkaderka 7:805c16a071d0 302 DBG("ip from dns: %s", ip);
jkaderka 7:805c16a071d0 303 }
jkaderka 7:805c16a071d0 304 return true;
jkaderka 7:805c16a071d0 305 }
jkaderka 7:805c16a071d0 306
jkaderka 7:805c16a071d0 307
jkaderka 7:805c16a071d0 308 void Wifly::flush()
jkaderka 7:805c16a071d0 309 {
jkaderka 7:805c16a071d0 310 buf_wifly.flush();
jkaderka 7:805c16a071d0 311 }
jkaderka 7:805c16a071d0 312
jkaderka 7:805c16a071d0 313 bool Wifly::sendCommand(const char * cmd, const char * ack, char * res, int timeout)
jkaderka 7:805c16a071d0 314 {
jkaderka 7:805c16a071d0 315 if (!state.cmd_mode) {
jkaderka 7:805c16a071d0 316 cmdMode();
jkaderka 7:805c16a071d0 317 }
jkaderka 7:805c16a071d0 318 if (send(cmd, strlen(cmd), ack, res, timeout) == -1) {
jkaderka 7:805c16a071d0 319 ERR("sendCommand: cannot %s\r\n", cmd);
jkaderka 7:805c16a071d0 320 exit();
jkaderka 7:805c16a071d0 321 return false;
jkaderka 7:805c16a071d0 322 }
jkaderka 7:805c16a071d0 323 return true;
jkaderka 7:805c16a071d0 324 }
jkaderka 7:805c16a071d0 325
jkaderka 7:805c16a071d0 326 bool Wifly::cmdMode()
jkaderka 7:805c16a071d0 327 {
jkaderka 7:805c16a071d0 328 // if already in cmd mode, return
jkaderka 7:805c16a071d0 329 if (state.cmd_mode)
jkaderka 7:805c16a071d0 330 return true;
jkaderka 7:805c16a071d0 331
jkaderka 7:805c16a071d0 332 if (send("$$$", 3, "CMD") == -1) {
jkaderka 7:805c16a071d0 333 ERR("cannot enter in cmd mode\r\n");
jkaderka 7:805c16a071d0 334 exit();
jkaderka 7:805c16a071d0 335 return false;
jkaderka 7:805c16a071d0 336 }
jkaderka 7:805c16a071d0 337 state.cmd_mode = true;
jkaderka 7:805c16a071d0 338 return true;
jkaderka 7:805c16a071d0 339 }
jkaderka 7:805c16a071d0 340
jkaderka 7:805c16a071d0 341 bool Wifly::disconnect()
jkaderka 7:805c16a071d0 342 {
jkaderka 7:805c16a071d0 343 // if already disconnected, return
jkaderka 7:805c16a071d0 344 if (!state.associated)
jkaderka 7:805c16a071d0 345 return true;
jkaderka 7:805c16a071d0 346
jkaderka 7:805c16a071d0 347 if (!sendCommand("leave\r", "DeAuth"))
jkaderka 7:805c16a071d0 348 return false;
jkaderka 7:805c16a071d0 349 exit();
jkaderka 7:805c16a071d0 350
jkaderka 7:805c16a071d0 351 state.associated = false;
jkaderka 7:805c16a071d0 352 return true;
jkaderka 7:805c16a071d0 353
jkaderka 7:805c16a071d0 354 }
jkaderka 7:805c16a071d0 355
jkaderka 7:805c16a071d0 356 bool Wifly::is_connected()
jkaderka 7:805c16a071d0 357 {
jkaderka 7:805c16a071d0 358 return (tcp_status.read() == 1) ? true : false;
jkaderka 7:805c16a071d0 359 }
jkaderka 7:805c16a071d0 360
jkaderka 7:805c16a071d0 361
jkaderka 7:805c16a071d0 362 void Wifly::reset()
jkaderka 7:805c16a071d0 363 {
jkaderka 7:805c16a071d0 364 reset_pin = 0;
jkaderka 7:805c16a071d0 365 wait(0.2);
jkaderka 7:805c16a071d0 366 reset_pin = 1;
jkaderka 7:805c16a071d0 367 wait(0.2);
jkaderka 7:805c16a071d0 368 }
jkaderka 7:805c16a071d0 369
jkaderka 7:805c16a071d0 370 bool Wifly::reboot()
jkaderka 7:805c16a071d0 371 {
jkaderka 7:805c16a071d0 372 // if already in cmd mode, return
jkaderka 7:805c16a071d0 373 if (!sendCommand("reboot\r"))
jkaderka 7:805c16a071d0 374 return false;
jkaderka 7:805c16a071d0 375
jkaderka 7:805c16a071d0 376 wait(0.3);
jkaderka 7:805c16a071d0 377
jkaderka 7:805c16a071d0 378 state.cmd_mode = false;
jkaderka 7:805c16a071d0 379 return true;
jkaderka 7:805c16a071d0 380 }
jkaderka 7:805c16a071d0 381
jkaderka 7:805c16a071d0 382 bool Wifly::close()
jkaderka 7:805c16a071d0 383 {
jkaderka 7:805c16a071d0 384 // if not connected, return
jkaderka 7:805c16a071d0 385 if (!state.tcp)
jkaderka 7:805c16a071d0 386 return true;
jkaderka 7:805c16a071d0 387
jkaderka 7:805c16a071d0 388 wait(0.25);
jkaderka 7:805c16a071d0 389 if (!sendCommand("close\r", "CLOS"))
jkaderka 7:805c16a071d0 390 return false;
jkaderka 7:805c16a071d0 391 exit();
jkaderka 7:805c16a071d0 392
jkaderka 7:805c16a071d0 393 state.tcp = false;
jkaderka 7:805c16a071d0 394 return true;
jkaderka 7:805c16a071d0 395 }
jkaderka 7:805c16a071d0 396
jkaderka 7:805c16a071d0 397
jkaderka 7:805c16a071d0 398 int Wifly::putc(char c)
jkaderka 7:805c16a071d0 399 {
jkaderka 7:805c16a071d0 400 while (!wifi.writeable());
jkaderka 7:805c16a071d0 401 return wifi.putc(c);
jkaderka 7:805c16a071d0 402 }
jkaderka 7:805c16a071d0 403
jkaderka 7:805c16a071d0 404
jkaderka 7:805c16a071d0 405 bool Wifly::exit()
jkaderka 7:805c16a071d0 406 {
jkaderka 7:805c16a071d0 407 flush();
jkaderka 7:805c16a071d0 408 if (!state.cmd_mode)
jkaderka 7:805c16a071d0 409 return true;
jkaderka 7:805c16a071d0 410 if (!sendCommand("exit\r", "EXIT"))
jkaderka 7:805c16a071d0 411 return false;
jkaderka 7:805c16a071d0 412 state.cmd_mode = false;
jkaderka 7:805c16a071d0 413 flush();
jkaderka 7:805c16a071d0 414 return true;
jkaderka 7:805c16a071d0 415 }
jkaderka 7:805c16a071d0 416
jkaderka 7:805c16a071d0 417
jkaderka 7:805c16a071d0 418 int Wifly::readable()
jkaderka 7:805c16a071d0 419 {
jkaderka 7:805c16a071d0 420 return buf_wifly.available();
jkaderka 7:805c16a071d0 421 }
jkaderka 7:805c16a071d0 422
jkaderka 7:805c16a071d0 423 int Wifly::writeable()
jkaderka 7:805c16a071d0 424 {
jkaderka 7:805c16a071d0 425 return wifi.writeable();
jkaderka 7:805c16a071d0 426 }
jkaderka 7:805c16a071d0 427
jkaderka 7:805c16a071d0 428 char Wifly::getc()
jkaderka 7:805c16a071d0 429 {
jkaderka 7:805c16a071d0 430 char c;
jkaderka 7:805c16a071d0 431 while (!buf_wifly.available());
jkaderka 7:805c16a071d0 432 buf_wifly.dequeue(&c);
jkaderka 7:805c16a071d0 433 return c;
jkaderka 7:805c16a071d0 434 }
jkaderka 7:805c16a071d0 435
jkaderka 7:805c16a071d0 436 void Wifly::handler_rx(void)
jkaderka 7:805c16a071d0 437 {
jkaderka 7:805c16a071d0 438 //read characters
jkaderka 7:805c16a071d0 439 while (wifi.readable())
jkaderka 7:805c16a071d0 440 buf_wifly.queue(wifi.getc());
jkaderka 7:805c16a071d0 441 }
jkaderka 7:805c16a071d0 442
jkaderka 7:805c16a071d0 443 void Wifly::attach_rx(bool callback)
jkaderka 7:805c16a071d0 444 {
jkaderka 7:805c16a071d0 445 if (!callback)
jkaderka 7:805c16a071d0 446 wifi.attach(NULL);
jkaderka 7:805c16a071d0 447 else
jkaderka 7:805c16a071d0 448 wifi.attach(this, &Wifly::handler_rx);
jkaderka 7:805c16a071d0 449 }
jkaderka 7:805c16a071d0 450
jkaderka 7:805c16a071d0 451
jkaderka 7:805c16a071d0 452 int Wifly::send(const char * str, int len, const char * ACK, char * res, int timeout)
jkaderka 7:805c16a071d0 453 {
jkaderka 7:805c16a071d0 454 char read;
jkaderka 7:805c16a071d0 455 size_t found = string::npos;
jkaderka 7:805c16a071d0 456 string checking;
jkaderka 7:805c16a071d0 457 Timer tmr;
jkaderka 7:805c16a071d0 458 int result = 0;
jkaderka 7:805c16a071d0 459
jkaderka 7:805c16a071d0 460 DBG("will send: %s\r\n",str);
jkaderka 7:805c16a071d0 461
jkaderka 7:805c16a071d0 462 attach_rx(false);
jkaderka 7:805c16a071d0 463
jkaderka 7:805c16a071d0 464 //We flush the buffer
jkaderka 7:805c16a071d0 465 while (wifi.readable())
jkaderka 7:805c16a071d0 466 wifi.getc();
jkaderka 7:805c16a071d0 467
jkaderka 7:805c16a071d0 468 if (!ACK || !strcmp(ACK, "NO")) {
jkaderka 7:805c16a071d0 469 for (int i = 0; i < len; i++)
jkaderka 7:805c16a071d0 470 result = (putc(str[i]) == str[i]) ? result + 1 : result;
jkaderka 7:805c16a071d0 471 } else {
jkaderka 7:805c16a071d0 472 //We flush the buffer
jkaderka 7:805c16a071d0 473 while (wifi.readable())
jkaderka 7:805c16a071d0 474 wifi.getc();
jkaderka 7:805c16a071d0 475
jkaderka 7:805c16a071d0 476 tmr.start();
jkaderka 7:805c16a071d0 477 for (int i = 0; i < len; i++)
jkaderka 7:805c16a071d0 478 result = (putc(str[i]) == str[i]) ? result + 1 : result;
jkaderka 7:805c16a071d0 479
jkaderka 7:805c16a071d0 480 while (1) {
jkaderka 7:805c16a071d0 481 if (tmr.read_ms() > timeout) {
jkaderka 7:805c16a071d0 482 //We flush the buffer
jkaderka 7:805c16a071d0 483 while (wifi.readable())
jkaderka 7:805c16a071d0 484 wifi.getc();
jkaderka 7:805c16a071d0 485
jkaderka 7:805c16a071d0 486 DBG("check: %s\r\n", checking.c_str());
jkaderka 7:805c16a071d0 487
jkaderka 7:805c16a071d0 488 attach_rx(true);
jkaderka 7:805c16a071d0 489 return -1;
jkaderka 7:805c16a071d0 490 } else if (wifi.readable()) {
jkaderka 7:805c16a071d0 491 read = wifi.getc();
jkaderka 7:805c16a071d0 492 if ( read != '\r' && read != '\n') {
jkaderka 7:805c16a071d0 493 checking += read;
jkaderka 7:805c16a071d0 494 found = checking.find(ACK);
jkaderka 7:805c16a071d0 495 if (found != string::npos) {
jkaderka 7:805c16a071d0 496 wait(0.01);
jkaderka 7:805c16a071d0 497
jkaderka 7:805c16a071d0 498 //We flush the buffer
jkaderka 7:805c16a071d0 499 while (wifi.readable())
jkaderka 7:805c16a071d0 500 wifi.getc();
jkaderka 7:805c16a071d0 501
jkaderka 7:805c16a071d0 502 break;
jkaderka 7:805c16a071d0 503 }
jkaderka 7:805c16a071d0 504 }
jkaderka 7:805c16a071d0 505 }
jkaderka 7:805c16a071d0 506 }
jkaderka 7:805c16a071d0 507 DBG("check: %s\r\n", checking.c_str());
jkaderka 7:805c16a071d0 508
jkaderka 7:805c16a071d0 509 attach_rx(true);
jkaderka 7:805c16a071d0 510 return result;
jkaderka 7:805c16a071d0 511 }
jkaderka 7:805c16a071d0 512
jkaderka 7:805c16a071d0 513 //the user wants the result from the command (ACK == NULL, res != NULL)
jkaderka 7:805c16a071d0 514 if ( res != NULL) {
jkaderka 7:805c16a071d0 515 int i = 0;
jkaderka 7:805c16a071d0 516 Timer timeout;
jkaderka 7:805c16a071d0 517 timeout.start();
jkaderka 7:805c16a071d0 518 tmr.reset();
jkaderka 7:805c16a071d0 519 while (1) {
jkaderka 7:805c16a071d0 520 if (timeout.read() > 2) {
jkaderka 7:805c16a071d0 521 if (i == 0) {
jkaderka 7:805c16a071d0 522 res = NULL;
jkaderka 7:805c16a071d0 523 break;
jkaderka 7:805c16a071d0 524 }
jkaderka 7:805c16a071d0 525 res[i] = '\0';
jkaderka 7:805c16a071d0 526 DBG("user str 1: %s\r\n", res);
jkaderka 7:805c16a071d0 527
jkaderka 7:805c16a071d0 528 break;
jkaderka 7:805c16a071d0 529 } else {
jkaderka 7:805c16a071d0 530 if (tmr.read_ms() > 300) {
jkaderka 7:805c16a071d0 531 res[i] = '\0';
jkaderka 7:805c16a071d0 532 DBG("user str: %s\r\n", res);
jkaderka 7:805c16a071d0 533
jkaderka 7:805c16a071d0 534 break;
jkaderka 7:805c16a071d0 535 }
jkaderka 7:805c16a071d0 536 if (wifi.readable()) {
jkaderka 7:805c16a071d0 537 tmr.start();
jkaderka 7:805c16a071d0 538 read = wifi.getc();
jkaderka 7:805c16a071d0 539
jkaderka 7:805c16a071d0 540 // we drop \r and \n
jkaderka 7:805c16a071d0 541 if ( read != '\r' && read != '\n') {
jkaderka 7:805c16a071d0 542 res[i++] = read;
jkaderka 7:805c16a071d0 543 }
jkaderka 7:805c16a071d0 544 }
jkaderka 7:805c16a071d0 545 }
jkaderka 7:805c16a071d0 546 }
jkaderka 7:805c16a071d0 547 DBG("user str: %s\r\n", res);
jkaderka 7:805c16a071d0 548 }
jkaderka 7:805c16a071d0 549
jkaderka 7:805c16a071d0 550 //We flush the buffer
jkaderka 7:805c16a071d0 551 while (wifi.readable())
jkaderka 7:805c16a071d0 552 wifi.getc();
jkaderka 7:805c16a071d0 553
jkaderka 7:805c16a071d0 554 attach_rx(true);
jkaderka 7:805c16a071d0 555 DBG("result: %d\r\n", result)
jkaderka 7:805c16a071d0 556 return result;
jkaderka 7:805c16a071d0 557 }