blownelco Plaetevoet / ESP8266Interface3

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Fork of ESP8266Interface by ESP8266

ESP8266/ESP8266.cpp@49:c5c9899c0255, 2016-12-06 (annotated)

Committer:
blownelco
Date:
Tue Dec 06 15:41:58 2016 +0000
Revision:
49:c5c9899c0255
Parent:
48:03fd9333670d
Child:
50:3e59ddd16330
test mqqt

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 1:fb4494783863 1 /* Copyright (C) 2012 mbed.org, MIT License
samux 1:fb4494783863 2 *
samux 1:fb4494783863 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
samux 1:fb4494783863 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
samux 1:fb4494783863 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
samux 1:fb4494783863 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
samux 1:fb4494783863 7 * furnished to do so, subject to the following conditions:
samux 1:fb4494783863 8 *
samux 1:fb4494783863 9 * The above copyright notice and this permission notice shall be included in all copies or
samux 1:fb4494783863 10 * substantial portions of the Software.
samux 1:fb4494783863 11 *
samux 1:fb4494783863 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
samux 1:fb4494783863 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
samux 1:fb4494783863 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
samux 1:fb4494783863 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samux 1:fb4494783863 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
samux 1:fb4494783863 17 */
samux 1:fb4494783863 18
samux 1:fb4494783863 19 #include "mbed.h"
michaeljkoster 13:41098c907200 20 #include "ESP8266.h"
michaeljkoster 16:3f0efaa57a12 21 #include "Endpoint.h"
samux 1:fb4494783863 22 #include <string>
samux 1:fb4494783863 23 #include <algorithm>
samux 1:fb4494783863 24
samux 1:fb4494783863 25 //Debug is disabled by default
blownelco 49:c5c9899c0255 26
mbedAustin 42:3f62103a4f3c 27 #define DBG(x, ...) printf("[ESP8266 : DBG]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
mbedAustin 42:3f62103a4f3c 28 #define WARN(x, ...) printf("[ESP8266 : WARN]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
mbedAustin 42:3f62103a4f3c 29 #define ERR(x, ...) printf("[ESP8266 : ERR]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
blownelco 49:c5c9899c0255 30 //#else
blownelco 49:c5c9899c0255 31 //#define DBG(x, ...) //wait_us(10);
blownelco 49:c5c9899c0255 32 //#define WARN(x, ...) //wait_us(10);
blownelco 49:c5c9899c0255 33 //#define ERR(x, ...)
blownelco 49:c5c9899c0255 34
samux 1:fb4494783863 35
blownelco 49:c5c9899c0255 36
mbedAustin 42:3f62103a4f3c 37 #define INFO(x, ...) printf("[ESP8266 : INFO]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
blownelco 49:c5c9899c0255 38 //#else
blownelco 49:c5c9899c0255 39 //#define INFO(x, ...)
blownelco 49:c5c9899c0255 40
samux 1:fb4494783863 41
mbedAustin 30:c035696b9397 42 #define ESP_MAX_TRY_JOIN 3
mbedAustin 30:c035696b9397 43 #define ESP_MAXID 4 // the largest possible ID Value (max num of sockets possible)
samux 1:fb4494783863 44
blownelco 49:c5c9899c0255 45
blownelco 49:c5c9899c0255 46 DigitalOut led4(PTA14); // RGB LED
blownelco 49:c5c9899c0255 47 DigitalOut led3(PTA13); // RGB LED
blownelco 49:c5c9899c0255 48
blownelco 49:c5c9899c0255 49
blownelco 49:c5c9899c0255 50
blownelco 49:c5c9899c0255 51
michaeljkoster 13:41098c907200 52 ESP8266 * ESP8266::inst;
mbedAustin 29:939372104145 53 char* ip = NULL;
samux 1:fb4494783863 54
sam_grove 40:0a83315aea0a 55 ESP8266::ESP8266(PinName tx, PinName rx, PinName reset, const char *ssid, const char *phrase, uint32_t baud) :
sam_grove 40:0a83315aea0a 56 wifi(tx, rx), reset_pin(reset), buf_ESP8266(ESP_MBUFFE_MAX)
samux 1:fb4494783863 57 {
mbedAustin 36:e1545c6c2cb3 58 INFO("Initializing ESP8266 object");
samux 1:fb4494783863 59 memset(&state, 0, sizeof(state));
samux 1:fb4494783863 60
sarahmarshy 48:03fd9333670d 61
samux 1:fb4494783863 62 strcpy(this->ssid, ssid);
samux 1:fb4494783863 63 strcpy(this->phrase, phrase);
samux 1:fb4494783863 64 inst = this;
samux 1:fb4494783863 65 attach_rx(false);
mbedAustin 28:91e65e22e63a 66
mbedAustin 28:91e65e22e63a 67 wifi.baud(baud); // initial baud rate of the ESP8266
mbedAustin 28:91e65e22e63a 68
michaeljkoster 22:c4360e61486a 69 state.associated = false;
michaeljkoster 22:c4360e61486a 70 state.cmdMode = false;
samux 1:fb4494783863 71 }
samux 1:fb4494783863 72
michaeljkoster 13:41098c907200 73 bool ESP8266::join()
samux 1:fb4494783863 74 {
michaeljkoster 23:de9221771e96 75 sendCommand( "AT+CWMODE=1", "change", NULL, 1000);
michaeljkoster 16:3f0efaa57a12 76 string cmd="AT+CWJAP=\""+(string)this->ssid+"\",\""+(string)this->phrase+"\"";
mbedAustin 28:91e65e22e63a 77 if( sendCommand( cmd.c_str(), "OK", NULL, 10000) ) {
michaeljkoster 16:3f0efaa57a12 78 // successfully joined the network
samux 1:fb4494783863 79 state.associated = true;
mbedAustin 37:6887e61cf674 80 INFO("ssid: %s, phrase: %s", this->ssid, this->phrase);
blownelco 49:c5c9899c0255 81 sendCommand("AT+CIFSR", "OK", NULL, 1000);
blownelco 49:c5c9899c0255 82
blownelco 49:c5c9899c0255 83
blownelco 49:c5c9899c0255 84
samux 1:fb4494783863 85 return true;
samux 1:fb4494783863 86 }
samux 1:fb4494783863 87 return false;
samux 1:fb4494783863 88 }
samux 1:fb4494783863 89
michaeljkoster 13:41098c907200 90 bool ESP8266::connect()
samux 1:fb4494783863 91 {
mbedAustin 28:91e65e22e63a 92 sendCommand("AT+CWDHCP=1,1","OK",NULL,1000); // DHCP Enabled in Station Mode
mbedAustin 28:91e65e22e63a 93 return ESP8266::join();
samux 1:fb4494783863 94 }
samux 1:fb4494783863 95
michaeljkoster 15:37a7a56a424f 96 bool ESP8266::is_connected()
michaeljkoster 15:37a7a56a424f 97 {
michaeljkoster 15:37a7a56a424f 98 return true;
michaeljkoster 15:37a7a56a424f 99 }
michaeljkoster 15:37a7a56a424f 100
mbedAustin 30:c035696b9397 101 bool ESP8266::start(bool type,char* ip, int port, int id)
mbedAustin 30:c035696b9397 102 {
mbedAustin 30:c035696b9397 103 // Error Check
mbedAustin 30:c035696b9397 104 if(id > ESP_MAXID) {
mbedAustin 30:c035696b9397 105 ERR("startUDPMulti: max id is: %d, id given is %d",ESP_MAXID,id);
mbedAustin 30:c035696b9397 106 return false;
mbedAustin 30:c035696b9397 107 }
mbedAustin 30:c035696b9397 108 // Single Connection Mode
mbedAustin 30:c035696b9397 109 if(id < 0) {
mbedAustin 30:c035696b9397 110 DBG("Start Single Connection Mode");
mbedAustin 30:c035696b9397 111 char portstr[5];
mbedAustin 30:c035696b9397 112 char idstr[2];
mbedAustin 30:c035696b9397 113 bool check [3] = {0};
mbedAustin 30:c035696b9397 114 sprintf(idstr,"%d",id);
mbedAustin 30:c035696b9397 115 sprintf(portstr, "%d", port);
mbedAustin 30:c035696b9397 116 switch(type) {
mbedAustin 30:c035696b9397 117 case ESP_UDP_TYPE : //UDP
mbedAustin 32:cf071dc33972 118 check[0] = sendCommand(( "AT+CIPSTART=\"UDP\",\"" + (string) ip + "\"," + (string) portstr ).c_str(), "OK", NULL, 10000);
mbedAustin 30:c035696b9397 119 break;
mbedAustin 30:c035696b9397 120 case ESP_TCP_TYPE : //TCP
mbedAustin 32:cf071dc33972 121 check[0] = sendCommand(( "AT+CIPSTART=\"TCP\",\"" + (string) ip + "\"," + (string) portstr ).c_str(), "OK", NULL, 10000);
mbedAustin 30:c035696b9397 122 break;
mbedAustin 30:c035696b9397 123 default:
mbedAustin 30:c035696b9397 124 ERR("Default hit for starting connection, this shouldnt be possible!!");
mbedAustin 30:c035696b9397 125 break;
mbedAustin 30:c035696b9397 126 }
mbedAustin 30:c035696b9397 127 check[1] = sendCommand("AT+CIPMODE=1", "OK", NULL, 1000);// go into transparent mode
mbedAustin 30:c035696b9397 128 check[2] = sendCommand("AT+CIPSEND", ">", NULL, 1000);// go into transparent mode
mbedAustin 30:c035696b9397 129 // check that all commands were sucessful
mbedAustin 32:cf071dc33972 130 if(check[0] and check[1] and check[2]) {
mbedAustin 30:c035696b9397 131 state.cmdMode = false;
mbedAustin 30:c035696b9397 132 return true;
mbedAustin 30:c035696b9397 133 } else {
mbedAustin 36:e1545c6c2cb3 134 ERR("startUDPTransparent Failed for ip:%s, port:%d",ip,port);
mbedAustin 30:c035696b9397 135 return false;
mbedAustin 30:c035696b9397 136 }
mbedAustin 30:c035696b9397 137 }
mbedAustin 30:c035696b9397 138 // Multi Connection Mode
mbedAustin 30:c035696b9397 139 else {
mbedAustin 30:c035696b9397 140 //TODO: impliment Multi Connection Mode
mbedAustin 30:c035696b9397 141 ERR("Not currently Supported!");
mbedAustin 30:c035696b9397 142 return false;
mbedAustin 32:cf071dc33972 143
mbedAustin 32:cf071dc33972 144 // DBG("Start Multi Connection Mode");
mbedAustin 32:cf071dc33972 145 // char portstr[5];
mbedAustin 32:cf071dc33972 146 // char idstr[2];
mbedAustin 32:cf071dc33972 147 // bool check [3] = {0};
mbedAustin 32:cf071dc33972 148 // sprintf(idstr,"%d",id);
mbedAustin 32:cf071dc33972 149 // sprintf(portstr, "%d", port);
mbedAustin 32:cf071dc33972 150 // switch(type) {
mbedAustin 32:cf071dc33972 151 // case ESP_UDP_TYPE : //UDP
mbedAustin 32:cf071dc33972 152 // check[0] = sendCommand(( "AT+CIPSTART=" + (string) idstr + ",\"UDP\",\"" + (string) ip + "\"," + (string) portstr ).c_str(), "OK", NULL, 10000);
mbedAustin 32:cf071dc33972 153 // break;
mbedAustin 32:cf071dc33972 154 // case ESP_TCP_TYPE : //TCP
mbedAustin 32:cf071dc33972 155 // check[0] = sendCommand(( "AT+CIPSTART=" + (string) idstr + ",\"TCP\",\"" + (string) ip + "\"," + (string) portstr ).c_str(), "OK", NULL, 10000);
mbedAustin 32:cf071dc33972 156 // break;
mbedAustin 32:cf071dc33972 157 // default:
mbedAustin 32:cf071dc33972 158 // ERR("Default hit for starting connection, this shouldnt be possible!!");
mbedAustin 32:cf071dc33972 159 // break;
mbedAustin 32:cf071dc33972 160 // }
mbedAustin 30:c035696b9397 161 }
mbedAustin 30:c035696b9397 162 }
mbedAustin 30:c035696b9397 163
sarahmarshy 44:3a7b6083210b 164 bool ESP8266::startUDP(char* ip, int port, int id, int length)
mbedAustin 28:91e65e22e63a 165 {
michaeljkoster 17:d11fa4c3ac65 166 char portstr[5];
sarahmarshy 44:3a7b6083210b 167 char idstr[1];
sarahmarshy 44:3a7b6083210b 168 char lenstr[2];
sarahmarshy 44:3a7b6083210b 169
michaeljkoster 16:3f0efaa57a12 170 sprintf(portstr, "%d", port);
sarahmarshy 44:3a7b6083210b 171 sprintf(idstr, "%d", id);
sarahmarshy 44:3a7b6083210b 172 sprintf(lenstr, "%d", length);
sarahmarshy 44:3a7b6083210b 173
sarahmarshy 44:3a7b6083210b 174 sendCommand("AT+CIPMUX=1", "OK", NULL, 1000);
sarahmarshy 44:3a7b6083210b 175 sendCommand(( "AT+CIPSTART=" + string(idstr) + ",\"UDP\",\"" + (string) ip + "\"," + (string) portstr + ",1112,0").c_str(), "OK", NULL, 10000);
sarahmarshy 44:3a7b6083210b 176 sendCommand(("AT+CIPSEND=" + (string)idstr + "," + (string)lenstr).c_str(), ">", NULL, 1000);// go into transparent mode
mbedAustin 34:7ccda5d68a00 177 DBG("Data Mode\r\n");
michaeljkoster 22:c4360e61486a 178 state.cmdMode = false;
mbedAustin 28:91e65e22e63a 179
michaeljkoster 16:3f0efaa57a12 180 return true;
michaeljkoster 16:3f0efaa57a12 181 }
michaeljkoster 16:3f0efaa57a12 182
sarahmarshy 44:3a7b6083210b 183 bool ESP8266::startTCPServer(int port)
sarahmarshy 44:3a7b6083210b 184 {
sarahmarshy 44:3a7b6083210b 185 bool command_results[3];
sarahmarshy 44:3a7b6083210b 186 command_results[0]=sendCommand("AT+CWMODE=3", "OK", NULL, 1000);
sarahmarshy 44:3a7b6083210b 187 command_results[1]=sendCommand("AT+CIPMUX=1", "OK", NULL, 1000);
sarahmarshy 44:3a7b6083210b 188 if(port == 333){
sarahmarshy 44:3a7b6083210b 189 command_results[2]=sendCommand("AT+CIPSERVER=1", "OK", NULL, 1000);
sarahmarshy 44:3a7b6083210b 190 }
sarahmarshy 44:3a7b6083210b 191 else{
sarahmarshy 44:3a7b6083210b 192 char portstr[5];
sarahmarshy 44:3a7b6083210b 193 sprintf(portstr, "%d", port);
sarahmarshy 44:3a7b6083210b 194 command_results[2]=sendCommand(("AT+CIPSERVER=1," + (string)portstr).c_str(), "OK", NULL, 1000);
sarahmarshy 44:3a7b6083210b 195 }
sarahmarshy 44:3a7b6083210b 196 //sendCommand("AT+CIFSR", "OK", NULL, 1000);
sarahmarshy 44:3a7b6083210b 197 DBG("Data Mode\r\n");
sarahmarshy 44:3a7b6083210b 198 state.cmdMode = false;
sarahmarshy 44:3a7b6083210b 199 if (command_results[0] and command_results[1] and command_results[2]){
sarahmarshy 44:3a7b6083210b 200 return true;
sarahmarshy 44:3a7b6083210b 201 }
sarahmarshy 44:3a7b6083210b 202 else{
sarahmarshy 44:3a7b6083210b 203 return false;
sarahmarshy 44:3a7b6083210b 204 }
sarahmarshy 44:3a7b6083210b 205 }
sarahmarshy 44:3a7b6083210b 206
michaeljkoster 15:37a7a56a424f 207 bool ESP8266::close()
michaeljkoster 15:37a7a56a424f 208 {
sam_grove 40:0a83315aea0a 209 wait(0.1f);
michaeljkoster 17:d11fa4c3ac65 210 send("+++",3);
sam_grove 40:0a83315aea0a 211 wait(1.0f);
michaeljkoster 22:c4360e61486a 212 state.cmdMode = true;
michaeljkoster 16:3f0efaa57a12 213 sendCommand("AT+CIPCLOSE","OK", NULL, 10000);
michaeljkoster 15:37a7a56a424f 214 return true;
michaeljkoster 15:37a7a56a424f 215 }
michaeljkoster 15:37a7a56a424f 216
michaeljkoster 15:37a7a56a424f 217 bool ESP8266::disconnect()
michaeljkoster 15:37a7a56a424f 218 {
michaeljkoster 15:37a7a56a424f 219 // if already disconnected, return
michaeljkoster 15:37a7a56a424f 220 if (!state.associated)
michaeljkoster 15:37a7a56a424f 221 return true;
michaeljkoster 15:37a7a56a424f 222 // send command to quit AP
mbedAustin 28:91e65e22e63a 223 sendCommand("AT+CWQAP", "OK", NULL, 10000);
michaeljkoster 15:37a7a56a424f 224 state.associated = false;
michaeljkoster 15:37a7a56a424f 225 return true;
michaeljkoster 15:37a7a56a424f 226 }
michaeljkoster 15:37a7a56a424f 227
mbedAustin 28:91e65e22e63a 228 /*
mbedAustin 28:91e65e22e63a 229 Assuming Returned data looks like this:
mbedAustin 28:91e65e22e63a 230 +CIFSR:STAIP,"192.168.11.2"
mbedAustin 28:91e65e22e63a 231 +CIFSR:STAMAC,"18:fe:34:9f:3a:f5"
mbedAustin 28:91e65e22e63a 232 grabbing IP from first set of quotation marks
mbedAustin 28:91e65e22e63a 233 */
michaeljkoster 15:37a7a56a424f 234 char* ESP8266::getIPAddress()
michaeljkoster 15:37a7a56a424f 235 {
mbedAustin 28:91e65e22e63a 236 char result[30] = {0};
mbedAustin 28:91e65e22e63a 237 int check = 0;
mbedAustin 28:91e65e22e63a 238 check = sendCommand("AT+CIFSR", NULL, result, 1000);
mbedAustin 29:939372104145 239 //pc.printf("\r\nReceivedInfo for IP Command is: %s\r\n",result);
mbedAustin 29:939372104145 240 ip = ipString;
mbedAustin 29:939372104145 241 if(check) {
mbedAustin 28:91e65e22e63a 242 // Success
mbedAustin 28:91e65e22e63a 243 string resultString(result);
mbedAustin 28:91e65e22e63a 244 uint8_t pos1 = 0, pos2 = 0;
mbedAustin 28:91e65e22e63a 245 //uint8_t pos3 = 0, pos4 = 0;
mbedAustin 28:91e65e22e63a 246 pos1 = resultString.find("+CIFSR:STAIP");
mbedAustin 28:91e65e22e63a 247 pos1 = resultString.find('"',pos1);
mbedAustin 28:91e65e22e63a 248 pos2 = resultString.find('"',pos1+1);
mbedAustin 28:91e65e22e63a 249 //pos3 = resultString.find('"',pos2+1); //would find mac address
mbedAustin 28:91e65e22e63a 250 //pos4 = resultString.find('"',pos3+1);
mbedAustin 28:91e65e22e63a 251 strncpy(ipString,resultString.substr(pos1,pos2).c_str(),sizeof(ipString));
mbedAustin 28:91e65e22e63a 252 ipString[pos2 - pos1 +1] = 0; // null terminate string correctly.
mbedAustin 42:3f62103a4f3c 253 INFO("IP: %s",ipString);
mbedAustin 29:939372104145 254 ip = ipString;
mbedAustin 29:939372104145 255
mbedAustin 29:939372104145 256 } else {
mbedAustin 28:91e65e22e63a 257 // Failure
mbedAustin 41:264902b160ea 258 ERR("getIPAddress() failed");
mbedAustin 29:939372104145 259 ip = NULL;
mbedAustin 28:91e65e22e63a 260 }
mbedAustin 29:939372104145 261 return ip;
michaeljkoster 15:37a7a56a424f 262 }
michaeljkoster 15:37a7a56a424f 263
michaeljkoster 13:41098c907200 264 bool ESP8266::gethostbyname(const char * host, char * ip)
samux 1:fb4494783863 265 {
samux 1:fb4494783863 266 string h = host;
samux 1:fb4494783863 267 int nb_digits = 0;
samux 1:fb4494783863 268
samux 1:fb4494783863 269 // no dns needed
samux 1:fb4494783863 270 int pos = h.find(".");
samux 1:fb4494783863 271 if (pos != string::npos) {
samux 1:fb4494783863 272 string sub = h.substr(0, h.find("."));
samux 1:fb4494783863 273 nb_digits = atoi(sub.c_str());
samux 1:fb4494783863 274 }
samux 1:fb4494783863 275 //printf("substrL %s\r\n", sub.c_str());
samux 1:fb4494783863 276 if (count(h.begin(), h.end(), '.') == 3 && nb_digits > 0) {
samux 1:fb4494783863 277 strcpy(ip, host);
michaeljkoster 13:41098c907200 278 return true;
mbedAustin 28:91e65e22e63a 279 } else {
michaeljkoster 13:41098c907200 280 // dns needed, not currently available
mbedAustin 30:c035696b9397 281 ERR("gethostbyname(): DNS Not currently available, only use IP Addresses!");
michaeljkoster 13:41098c907200 282 return false;
michaeljkoster 13:41098c907200 283 }
michaeljkoster 13:41098c907200 284 }
samux 1:fb4494783863 285
michaeljkoster 13:41098c907200 286 void ESP8266::reset()
samux 1:fb4494783863 287 {
samux 1:fb4494783863 288 reset_pin = 0;
sam_grove 40:0a83315aea0a 289 wait_us(20);
samux 1:fb4494783863 290 reset_pin = 1;
sam_grove 40:0a83315aea0a 291 //wait(1);
sarahmarshy 46:913d07795182 292 //reset_pin = !reset_pin
michaeljkoster 24:03585a13ff3b 293 //send("+++",3);
sarahmarshy 46:913d07795182 294 wait(1);
michaeljkoster 24:03585a13ff3b 295 state.cmdMode = true;
michaeljkoster 24:03585a13ff3b 296 sendCommand("AT", "OK", NULL, 1000);
mbedAustin 28:91e65e22e63a 297 sendCommand("AT+RST", "ready", NULL, 10000);
michaeljkoster 24:03585a13ff3b 298 state.associated = false;
michaeljkoster 24:03585a13ff3b 299
samux 1:fb4494783863 300 }
samux 1:fb4494783863 301
michaeljkoster 13:41098c907200 302 bool ESP8266::reboot()
samux 3:9aa05e19c62e 303 {
michaeljkoster 16:3f0efaa57a12 304 reset();
samux 3:9aa05e19c62e 305 return true;
samux 3:9aa05e19c62e 306 }
samux 3:9aa05e19c62e 307
michaeljkoster 15:37a7a56a424f 308 void ESP8266::handler_rx(void)
samux 1:fb4494783863 309 {
michaeljkoster 15:37a7a56a424f 310 //read characters
michaeljkoster 16:3f0efaa57a12 311 char c;
mbedAustin 28:91e65e22e63a 312 while (wifi.readable()) {
michaeljkoster 16:3f0efaa57a12 313 c=wifi.getc();
michaeljkoster 16:3f0efaa57a12 314 buf_ESP8266.queue(c);
michaeljkoster 26:0d5bcb3903e2 315 //if (state.cmdMode) pc.printf("%c",c); //debug echo, needs fast serial console to prevent UART overruns
michaeljkoster 16:3f0efaa57a12 316 }
michaeljkoster 15:37a7a56a424f 317 }
michaeljkoster 15:37a7a56a424f 318
michaeljkoster 15:37a7a56a424f 319 void ESP8266::attach_rx(bool callback)
michaeljkoster 15:37a7a56a424f 320 {
sam_grove 40:0a83315aea0a 321 if (!callback) {
michaeljkoster 15:37a7a56a424f 322 wifi.attach(NULL);
sam_grove 40:0a83315aea0a 323 }
sam_grove 40:0a83315aea0a 324 else {
michaeljkoster 15:37a7a56a424f 325 wifi.attach(this, &ESP8266::handler_rx);
sam_grove 40:0a83315aea0a 326 }
samux 1:fb4494783863 327 }
samux 1:fb4494783863 328
michaeljkoster 13:41098c907200 329 int ESP8266::readable()
samux 1:fb4494783863 330 {
michaeljkoster 13:41098c907200 331 return buf_ESP8266.available();
samux 1:fb4494783863 332 }
samux 1:fb4494783863 333
michaeljkoster 13:41098c907200 334 int ESP8266::writeable()
samux 1:fb4494783863 335 {
samux 1:fb4494783863 336 return wifi.writeable();
samux 1:fb4494783863 337 }
samux 1:fb4494783863 338
michaeljkoster 13:41098c907200 339 char ESP8266::getc()
samux 1:fb4494783863 340 {
michaeljkoster 14:4d1128f72e00 341 char c=0;
michaeljkoster 13:41098c907200 342 while (!buf_ESP8266.available());
michaeljkoster 13:41098c907200 343 buf_ESP8266.dequeue(&c);
samux 1:fb4494783863 344 return c;
samux 1:fb4494783863 345 }
samux 1:fb4494783863 346
michaeljkoster 15:37a7a56a424f 347 int ESP8266::putc(char c)
samux 1:fb4494783863 348 {
michaeljkoster 20:d764237405c2 349 while (!wifi.writeable() || wifi.readable()); //wait for echoed command characters to be read first
michaeljkoster 15:37a7a56a424f 350 return wifi.putc(c);
samux 1:fb4494783863 351 }
samux 1:fb4494783863 352
michaeljkoster 15:37a7a56a424f 353 void ESP8266::flush()
samux 1:fb4494783863 354 {
michaeljkoster 15:37a7a56a424f 355 buf_ESP8266.flush();
samux 1:fb4494783863 356 }
samux 1:fb4494783863 357
michaeljkoster 16:3f0efaa57a12 358 int ESP8266::send(const char * buf, int len)
michaeljkoster 15:37a7a56a424f 359 {
mbedAustin 32:cf071dc33972 360 //TODO: need to add handler for data > 2048B, this is the max packet size of the ESP8266.
mbedAustin 43:2e326d95fe2c 361 if(len >= 2048){
mbedAustin 43:2e326d95fe2c 362 WARN("send buffer >= 2048B, need to chunk this up to be less.");
mbedAustin 43:2e326d95fe2c 363 }
michaeljkoster 16:3f0efaa57a12 364 const char* bufptr=buf;
mbedAustin 28:91e65e22e63a 365 for(int i=0; i<len; i++) {
michaeljkoster 17:d11fa4c3ac65 366 putc((int)*bufptr++);
michaeljkoster 18:60422852e99c 367 }
michaeljkoster 19:fb8d5bff2076 368 return len;
michaeljkoster 15:37a7a56a424f 369 }
samux 1:fb4494783863 370
michaeljkoster 16:3f0efaa57a12 371 bool ESP8266::sendCommand(const char * cmd, const char * ACK, char * res, int timeout)
samux 1:fb4494783863 372 {
samux 1:fb4494783863 373 char read;
samux 1:fb4494783863 374 size_t found = string::npos;
sam_grove 40:0a83315aea0a 375 string checking = "";
samux 1:fb4494783863 376 Timer tmr;
samux 1:fb4494783863 377 int result = 0;
samux 1:fb4494783863 378
mbedAustin 42:3f62103a4f3c 379 DBG("sendCmd:\t %s",cmd);
samux 1:fb4494783863 380
michaeljkoster 17:d11fa4c3ac65 381 attach_rx(true);
samux 1:fb4494783863 382
samux 1:fb4494783863 383 //We flush the buffer
michaeljkoster 17:d11fa4c3ac65 384 while (readable())
michaeljkoster 17:d11fa4c3ac65 385 getc();
mbedAustin 28:91e65e22e63a 386
samux 1:fb4494783863 387 if (!ACK || !strcmp(ACK, "NO")) {
mbedAustin 28:91e65e22e63a 388 for (int i = 0; i < strlen(cmd); i++) {
michaeljkoster 16:3f0efaa57a12 389 result = (putc(cmd[i]) == cmd[i]) ? result + 1 : result;
sam_grove 40:0a83315aea0a 390 wait(0.005f); // prevents stuck recieve ready (?) need to let echoed character get read first
michaeljkoster 16:3f0efaa57a12 391 }
michaeljkoster 16:3f0efaa57a12 392 putc(13); //CR
sam_grove 40:0a83315aea0a 393 wait(0.005f); // wait for echo
michaeljkoster 16:3f0efaa57a12 394 putc(10); //LF
michaeljkoster 16:3f0efaa57a12 395
samux 1:fb4494783863 396 } else {
samux 1:fb4494783863 397 //We flush the buffer
michaeljkoster 17:d11fa4c3ac65 398 while (readable())
michaeljkoster 17:d11fa4c3ac65 399 getc();
samux 1:fb4494783863 400
samux 1:fb4494783863 401 tmr.start();
mbedAustin 28:91e65e22e63a 402 for (int i = 0; i < strlen(cmd); i++) {
michaeljkoster 16:3f0efaa57a12 403 result = (putc(cmd[i]) == cmd[i]) ? result + 1 : result;
michaeljkoster 20:d764237405c2 404 wait(.005); // wait for echo
michaeljkoster 16:3f0efaa57a12 405 }
michaeljkoster 16:3f0efaa57a12 406 putc(13); //CR
sam_grove 40:0a83315aea0a 407 wait(0.005f); // wait for echo
michaeljkoster 16:3f0efaa57a12 408 putc(10); //LF
samux 1:fb4494783863 409
samux 1:fb4494783863 410 while (1) {
samux 1:fb4494783863 411 if (tmr.read_ms() > timeout) {
samux 1:fb4494783863 412 //We flush the buffer
michaeljkoster 17:d11fa4c3ac65 413 while (readable())
michaeljkoster 17:d11fa4c3ac65 414 getc();
blownelco 49:c5c9899c0255 415 led4 = !led4;
mbedAustin 42:3f62103a4f3c 416 DBG("check:\t %s", checking.c_str());
samux 1:fb4494783863 417
samux 1:fb4494783863 418 attach_rx(true);
samux 1:fb4494783863 419 return -1;
michaeljkoster 17:d11fa4c3ac65 420 } else if (readable()) {
michaeljkoster 17:d11fa4c3ac65 421 read = getc();
blownelco 49:c5c9899c0255 422 printf("%c",read); //debug echo
samux 1:fb4494783863 423 if ( read != '\r' && read != '\n') {
samux 1:fb4494783863 424 checking += read;
samux 1:fb4494783863 425 found = checking.find(ACK);
samux 1:fb4494783863 426 if (found != string::npos) {
sam_grove 40:0a83315aea0a 427 wait(0.01f);
samux 1:fb4494783863 428
samux 1:fb4494783863 429 //We flush the buffer
michaeljkoster 17:d11fa4c3ac65 430 while (readable())
michaeljkoster 26:0d5bcb3903e2 431 read = getc();
blownelco 49:c5c9899c0255 432 led4 = !led4;
blownelco 49:c5c9899c0255 433 printf("%c",read); //debug echo
samux 1:fb4494783863 434 break;
samux 1:fb4494783863 435 }
samux 1:fb4494783863 436 }
samux 1:fb4494783863 437 }
samux 1:fb4494783863 438 }
mbedAustin 36:e1545c6c2cb3 439 DBG("check: %s", checking.c_str());
samux 1:fb4494783863 440
samux 1:fb4494783863 441 attach_rx(true);
samux 1:fb4494783863 442 return result;
samux 1:fb4494783863 443 }
samux 1:fb4494783863 444
samux 1:fb4494783863 445 //the user wants the result from the command (ACK == NULL, res != NULL)
sarahmarshy 46:913d07795182 446 if (res != NULL) {
samux 1:fb4494783863 447 int i = 0;
samux 1:fb4494783863 448 Timer timeout;
samux 1:fb4494783863 449 timeout.start();
samux 1:fb4494783863 450 tmr.reset();
samux 1:fb4494783863 451 while (1) {
samux 1:fb4494783863 452 if (timeout.read() > 2) {
samux 1:fb4494783863 453 if (i == 0) {
samux 1:fb4494783863 454 res = NULL;
samux 1:fb4494783863 455 break;
samux 1:fb4494783863 456 }
samux 1:fb4494783863 457 res[i] = '\0';
mbedAustin 36:e1545c6c2cb3 458 DBG("user str 1: %s", res);
samux 1:fb4494783863 459
samux 1:fb4494783863 460 break;
samux 1:fb4494783863 461 } else {
samux 1:fb4494783863 462 if (tmr.read_ms() > 300) {
samux 1:fb4494783863 463 res[i] = '\0';
mbedAustin 36:e1545c6c2cb3 464 DBG("user str: %s", res);
samux 1:fb4494783863 465
samux 1:fb4494783863 466 break;
samux 1:fb4494783863 467 }
michaeljkoster 17:d11fa4c3ac65 468 if (readable()) {
samux 1:fb4494783863 469 tmr.start();
michaeljkoster 17:d11fa4c3ac65 470 read = getc();
samux 1:fb4494783863 471
samux 1:fb4494783863 472 // we drop \r and \n
samux 1:fb4494783863 473 if ( read != '\r' && read != '\n') {
samux 1:fb4494783863 474 res[i++] = read;
samux 1:fb4494783863 475 }
samux 1:fb4494783863 476 }
samux 1:fb4494783863 477 }
samux 1:fb4494783863 478 }
mbedAustin 36:e1545c6c2cb3 479 DBG("user str: %s", res);
samux 1:fb4494783863 480 }
samux 1:fb4494783863 481
samux 1:fb4494783863 482 //We flush the buffer
michaeljkoster 17:d11fa4c3ac65 483 while (readable())
michaeljkoster 17:d11fa4c3ac65 484 getc();
samux 1:fb4494783863 485
samux 1:fb4494783863 486 attach_rx(true);
mbedAustin 36:e1545c6c2cb3 487 DBG("result: %d", result)
samux 1:fb4494783863 488 return result;
michaeljkoster 15:37a7a56a424f 489 }