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ESP8266InterfaceTiny/ESP8266/ESP8266.cpp@0:23e533c4b1ec, 2015-12-15 (annotated)

Committer:
jksoft
Date:
Tue Dec 15 09:56:32 2015 +0000
Revision:
0:23e533c4b1ec
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
jksoft 0:23e533c4b1ec 1 /* Copyright (C) 2012 mbed.org, MIT License
jksoft 0:23e533c4b1ec 2 *
jksoft 0:23e533c4b1ec 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
jksoft 0:23e533c4b1ec 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
jksoft 0:23e533c4b1ec 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
jksoft 0:23e533c4b1ec 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
jksoft 0:23e533c4b1ec 7 * furnished to do so, subject to the following conditions:
jksoft 0:23e533c4b1ec 8 *
jksoft 0:23e533c4b1ec 9 * The above copyright notice and this permission notice shall be included in all copies or
jksoft 0:23e533c4b1ec 10 * substantial portions of the Software.
jksoft 0:23e533c4b1ec 11 *
jksoft 0:23e533c4b1ec 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
jksoft 0:23e533c4b1ec 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
jksoft 0:23e533c4b1ec 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
jksoft 0:23e533c4b1ec 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jksoft 0:23e533c4b1ec 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
jksoft 0:23e533c4b1ec 17 */
jksoft 0:23e533c4b1ec 18
jksoft 0:23e533c4b1ec 19 #include "mbed.h"
jksoft 0:23e533c4b1ec 20 #include "ESP8266.h"
jksoft 0:23e533c4b1ec 21 #include "Endpoint.h"
jksoft 0:23e533c4b1ec 22 #include "SoftSerialSendOnry.h"
jksoft 0:23e533c4b1ec 23
jksoft 0:23e533c4b1ec 24 extern SoftSerialSendOnry pc;
jksoft 0:23e533c4b1ec 25
jksoft 0:23e533c4b1ec 26 //#include <string>
jksoft 0:23e533c4b1ec 27 //#include <algorithm>
jksoft 0:23e533c4b1ec 28
jksoft 0:23e533c4b1ec 29 //Debug is disabled by default
jksoft 0:23e533c4b1ec 30 #if 0
jksoft 0:23e533c4b1ec 31 #define DBG(x, ...) pc.printf("[ESP8266 : DBG]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
jksoft 0:23e533c4b1ec 32 #define WARN(x, ...) pc.printf("[ESP8266 : WARN]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
jksoft 0:23e533c4b1ec 33 #define ERR(x, ...) pc.printf("[ESP8266 : ERR]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
jksoft 0:23e533c4b1ec 34 #else
jksoft 0:23e533c4b1ec 35 #define DBG(x, ...) //wait_us(10);
jksoft 0:23e533c4b1ec 36 #define WARN(x, ...) //wait_us(10);
jksoft 0:23e533c4b1ec 37 #define ERR(x, ...)
jksoft 0:23e533c4b1ec 38 #endif
jksoft 0:23e533c4b1ec 39
jksoft 0:23e533c4b1ec 40 #if 0
jksoft 0:23e533c4b1ec 41 #define INFO(x, ...) printf("[ESP8266 : INFO]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
jksoft 0:23e533c4b1ec 42 #else
jksoft 0:23e533c4b1ec 43 #define INFO(x, ...)
jksoft 0:23e533c4b1ec 44 #endif
jksoft 0:23e533c4b1ec 45
jksoft 0:23e533c4b1ec 46 #define ESP_MAX_TRY_JOIN 3
jksoft 0:23e533c4b1ec 47 #define ESP_MAXID 4 // the largest possible ID Value (max num of sockets possible)
jksoft 0:23e533c4b1ec 48
jksoft 0:23e533c4b1ec 49 ESP8266 * ESP8266::inst;
jksoft 0:23e533c4b1ec 50 char* ip = NULL;
jksoft 0:23e533c4b1ec 51
jksoft 0:23e533c4b1ec 52 ESP8266::ESP8266(PinName tx, PinName rx, PinName reset, const char *ssid, const char *phrase, uint32_t baud) :
jksoft 0:23e533c4b1ec 53 wifi(tx, rx), reset_pin(reset), buf_ESP8266(ESP_MBUFFE_MAX)
jksoft 0:23e533c4b1ec 54 {
jksoft 0:23e533c4b1ec 55 INFO("Initializing ESP8266 object");
jksoft 0:23e533c4b1ec 56 memset(&state, 0, sizeof(state));
jksoft 0:23e533c4b1ec 57
jksoft 0:23e533c4b1ec 58
jksoft 0:23e533c4b1ec 59 strcpy(this->ssid, ssid);
jksoft 0:23e533c4b1ec 60 strcpy(this->phrase, phrase);
jksoft 0:23e533c4b1ec 61 inst = this;
jksoft 0:23e533c4b1ec 62 attach_rx(false);
jksoft 0:23e533c4b1ec 63
jksoft 0:23e533c4b1ec 64 wifi.baud(baud); // initial baud rate of the ESP8266
jksoft 0:23e533c4b1ec 65
jksoft 0:23e533c4b1ec 66 state.associated = false;
jksoft 0:23e533c4b1ec 67 state.cmdMode = false;
jksoft 0:23e533c4b1ec 68 }
jksoft 0:23e533c4b1ec 69
jksoft 0:23e533c4b1ec 70 bool ESP8266::join()
jksoft 0:23e533c4b1ec 71 {
jksoft 0:23e533c4b1ec 72 char cmd[100];
jksoft 0:23e533c4b1ec 73 sendCommand( "AT+CWMODE=1", "change", NULL, 1000);
jksoft 0:23e533c4b1ec 74 //string cmd="AT+CWJAP=\""+(string)this->ssid+"\",\""+(string)this->phrase+"\"";
jksoft 0:23e533c4b1ec 75 sprintf(cmd,"AT+CWJAP=\"%s\",\"%s\"",this->ssid,this->phrase);
jksoft 0:23e533c4b1ec 76 if( sendCommand( cmd, "OK", NULL, 10000) ) {
jksoft 0:23e533c4b1ec 77 // successfully joined the network
jksoft 0:23e533c4b1ec 78 state.associated = true;
jksoft 0:23e533c4b1ec 79 INFO("ssid: %s, phrase: %s", this->ssid, this->phrase);
jksoft 0:23e533c4b1ec 80 return true;
jksoft 0:23e533c4b1ec 81 }
jksoft 0:23e533c4b1ec 82 return false;
jksoft 0:23e533c4b1ec 83 }
jksoft 0:23e533c4b1ec 84
jksoft 0:23e533c4b1ec 85 bool ESP8266::connect()
jksoft 0:23e533c4b1ec 86 {
jksoft 0:23e533c4b1ec 87 sendCommand("AT+CWDHCP=1,1","OK",NULL,1000); // DHCP Enabled in Station Mode
jksoft 0:23e533c4b1ec 88 return ESP8266::join();
jksoft 0:23e533c4b1ec 89 }
jksoft 0:23e533c4b1ec 90
jksoft 0:23e533c4b1ec 91 bool ESP8266::is_connected()
jksoft 0:23e533c4b1ec 92 {
jksoft 0:23e533c4b1ec 93 return true;
jksoft 0:23e533c4b1ec 94 }
jksoft 0:23e533c4b1ec 95
jksoft 0:23e533c4b1ec 96 bool ESP8266::start(bool type,char* ip, int port, int id)
jksoft 0:23e533c4b1ec 97 {
jksoft 0:23e533c4b1ec 98 char cmd[256];
jksoft 0:23e533c4b1ec 99 // Error Check
jksoft 0:23e533c4b1ec 100 if(id > ESP_MAXID) {
jksoft 0:23e533c4b1ec 101 ERR("startUDPMulti: max id is: %d, id given is %d",ESP_MAXID,id);
jksoft 0:23e533c4b1ec 102 return false;
jksoft 0:23e533c4b1ec 103 }
jksoft 0:23e533c4b1ec 104 // Single Connection Mode
jksoft 0:23e533c4b1ec 105 if(id < 0) {
jksoft 0:23e533c4b1ec 106 DBG("Start Single Connection Mode");
jksoft 0:23e533c4b1ec 107 //char portstr[5];
jksoft 0:23e533c4b1ec 108 bool check [3] = {0};
jksoft 0:23e533c4b1ec 109 //sprintf(portstr, "%d", port);
jksoft 0:23e533c4b1ec 110 switch(type) {
jksoft 0:23e533c4b1ec 111 case ESP_UDP_TYPE : //UDP
jksoft 0:23e533c4b1ec 112 sprintf(cmd,"AT+CIPSTART=\"UDP\",\"%s\",%d",ip,port);
jksoft 0:23e533c4b1ec 113 check[0] = sendCommand(cmd, "OK", NULL, 10000);
jksoft 0:23e533c4b1ec 114 //check[0] = sendCommand(( "AT+CIPSTART=\"UDP\",\"" + (string) ip + "\"," + (string) portstr ).c_str(), "OK", NULL, 10000);
jksoft 0:23e533c4b1ec 115 break;
jksoft 0:23e533c4b1ec 116 case ESP_TCP_TYPE : //TCP
jksoft 0:23e533c4b1ec 117 sprintf(cmd,"AT+CIPSTART=\"TCP\",\"%s\",%d",ip,port);
jksoft 0:23e533c4b1ec 118 check[0] = sendCommand(cmd, "OK", NULL, 10000);
jksoft 0:23e533c4b1ec 119 //check[0] = sendCommand(( "AT+CIPSTART=\"TCP\",\"" + (string) ip + "\"," + (string) portstr ).c_str(), "OK", NULL, 10000);
jksoft 0:23e533c4b1ec 120 break;
jksoft 0:23e533c4b1ec 121 default:
jksoft 0:23e533c4b1ec 122 ERR("Default hit for starting connection, this shouldnt be possible!!");
jksoft 0:23e533c4b1ec 123 break;
jksoft 0:23e533c4b1ec 124 }
jksoft 0:23e533c4b1ec 125 check[1] = sendCommand("AT+CIPMODE=1", "OK", NULL, 1000);// go into transparent mode
jksoft 0:23e533c4b1ec 126 check[2] = sendCommand("AT+CIPSEND", ">", NULL, 1000);// go into transparent mode
jksoft 0:23e533c4b1ec 127 // check that all commands were sucessful
jksoft 0:23e533c4b1ec 128 if(check[0] and check[1] and check[2]) {
jksoft 0:23e533c4b1ec 129 state.cmdMode = false;
jksoft 0:23e533c4b1ec 130 return true;
jksoft 0:23e533c4b1ec 131 } else {
jksoft 0:23e533c4b1ec 132 ERR("startUDPTransparent Failed for ip:%s, port:%d",ip,port);
jksoft 0:23e533c4b1ec 133 return false;
jksoft 0:23e533c4b1ec 134 }
jksoft 0:23e533c4b1ec 135 }
jksoft 0:23e533c4b1ec 136 // Multi Connection Mode
jksoft 0:23e533c4b1ec 137 else {
jksoft 0:23e533c4b1ec 138 //TODO: impliment Multi Connection Mode
jksoft 0:23e533c4b1ec 139 ERR("Not currently Supported!");
jksoft 0:23e533c4b1ec 140 return false;
jksoft 0:23e533c4b1ec 141 }
jksoft 0:23e533c4b1ec 142 }
jksoft 0:23e533c4b1ec 143
jksoft 0:23e533c4b1ec 144 bool ESP8266::startUDP(char* ip, int port, int id, int length)
jksoft 0:23e533c4b1ec 145 {
jksoft 0:23e533c4b1ec 146 char cmd[256];
jksoft 0:23e533c4b1ec 147 char portstr[5];
jksoft 0:23e533c4b1ec 148 char idstr[1];
jksoft 0:23e533c4b1ec 149 char lenstr[2];
jksoft 0:23e533c4b1ec 150
jksoft 0:23e533c4b1ec 151 sprintf(portstr, "%d", port);
jksoft 0:23e533c4b1ec 152 sprintf(idstr, "%d", id);
jksoft 0:23e533c4b1ec 153 sprintf(lenstr, "%d", length);
jksoft 0:23e533c4b1ec 154
jksoft 0:23e533c4b1ec 155 sendCommand("AT+CIPMUX=1", "OK", NULL, 1000);
jksoft 0:23e533c4b1ec 156 sprintf(cmd,"AT+CIPSTART=%d,\"UDP\",\"%s\",%d,1112,0",id,ip,port);
jksoft 0:23e533c4b1ec 157 sendCommand(cmd, "OK", NULL, 10000);
jksoft 0:23e533c4b1ec 158 //sendCommand(( "AT+CIPSTART=" + string(idstr) + ",\"UDP\",\"" + (string) ip + "\"," + (string) portstr + ",1112,0").c_str(), "OK", NULL, 10000);
jksoft 0:23e533c4b1ec 159 sprintf(cmd,"AT+CIPSEND=%d,%d",id,length);
jksoft 0:23e533c4b1ec 160 sendCommand(cmd, ">", NULL, 1000);// go into transparent mode
jksoft 0:23e533c4b1ec 161 //sendCommand(("AT+CIPSEND=" + (string)idstr + "," + (string)lenstr).c_str(), ">", NULL, 1000);// go into transparent mode
jksoft 0:23e533c4b1ec 162 DBG("Data Mode\r\n");
jksoft 0:23e533c4b1ec 163 state.cmdMode = false;
jksoft 0:23e533c4b1ec 164
jksoft 0:23e533c4b1ec 165 return true;
jksoft 0:23e533c4b1ec 166 }
jksoft 0:23e533c4b1ec 167
jksoft 0:23e533c4b1ec 168 bool ESP8266::startTCPServer(int port)
jksoft 0:23e533c4b1ec 169 {
jksoft 0:23e533c4b1ec 170 char cmd[100];
jksoft 0:23e533c4b1ec 171 bool command_results[3];
jksoft 0:23e533c4b1ec 172 command_results[0]=sendCommand("AT+CWMODE=3", "OK", NULL, 1000);
jksoft 0:23e533c4b1ec 173 command_results[1]=sendCommand("AT+CIPMUX=1", "OK", NULL, 1000);
jksoft 0:23e533c4b1ec 174 if(port == 333){
jksoft 0:23e533c4b1ec 175 command_results[2]=sendCommand("AT+CIPSERVER=1", "OK", NULL, 1000);
jksoft 0:23e533c4b1ec 176 }
jksoft 0:23e533c4b1ec 177 else{
jksoft 0:23e533c4b1ec 178 sprintf(cmd,"AT+CIPSERVER=1,%d",port);
jksoft 0:23e533c4b1ec 179 command_results[2]=sendCommand(cmd, "OK", NULL, 1000);
jksoft 0:23e533c4b1ec 180 }
jksoft 0:23e533c4b1ec 181 //sendCommand("AT+CIFSR", "OK", NULL, 1000);
jksoft 0:23e533c4b1ec 182 DBG("Data Mode\r\n");
jksoft 0:23e533c4b1ec 183 state.cmdMode = false;
jksoft 0:23e533c4b1ec 184 if (command_results[0] and command_results[1] and command_results[2]){
jksoft 0:23e533c4b1ec 185 return true;
jksoft 0:23e533c4b1ec 186 }
jksoft 0:23e533c4b1ec 187 else{
jksoft 0:23e533c4b1ec 188 return false;
jksoft 0:23e533c4b1ec 189 }
jksoft 0:23e533c4b1ec 190 }
jksoft 0:23e533c4b1ec 191
jksoft 0:23e533c4b1ec 192 bool ESP8266::close()
jksoft 0:23e533c4b1ec 193 {
jksoft 0:23e533c4b1ec 194 wait(0.1f);
jksoft 0:23e533c4b1ec 195 send("+++",3);
jksoft 0:23e533c4b1ec 196 wait(1.0f);
jksoft 0:23e533c4b1ec 197 state.cmdMode = true;
jksoft 0:23e533c4b1ec 198 sendCommand("AT+CIPCLOSE","OK", NULL, 10000);
jksoft 0:23e533c4b1ec 199 return true;
jksoft 0:23e533c4b1ec 200 }
jksoft 0:23e533c4b1ec 201
jksoft 0:23e533c4b1ec 202 bool ESP8266::disconnect()
jksoft 0:23e533c4b1ec 203 {
jksoft 0:23e533c4b1ec 204 // if already disconnected, return
jksoft 0:23e533c4b1ec 205 if (!state.associated)
jksoft 0:23e533c4b1ec 206 return true;
jksoft 0:23e533c4b1ec 207 // send command to quit AP
jksoft 0:23e533c4b1ec 208 sendCommand("AT+CWQAP", "OK", NULL, 10000);
jksoft 0:23e533c4b1ec 209 state.associated = false;
jksoft 0:23e533c4b1ec 210 return true;
jksoft 0:23e533c4b1ec 211 }
jksoft 0:23e533c4b1ec 212
jksoft 0:23e533c4b1ec 213 int ESP8266::strfind(const char *str,const char *chkstr,int pos)
jksoft 0:23e533c4b1ec 214 {
jksoft 0:23e533c4b1ec 215 if( (strlen(str)-pos) < strlen(chkstr) ) return(-1);
jksoft 0:23e533c4b1ec 216
jksoft 0:23e533c4b1ec 217
jksoft 0:23e533c4b1ec 218 for(int i=pos;i<strlen(str);i++)
jksoft 0:23e533c4b1ec 219 {
jksoft 0:23e533c4b1ec 220 if(memcmp(chkstr,&str[i],strlen(chkstr))==0)
jksoft 0:23e533c4b1ec 221 {
jksoft 0:23e533c4b1ec 222 return(i);
jksoft 0:23e533c4b1ec 223 }
jksoft 0:23e533c4b1ec 224 }
jksoft 0:23e533c4b1ec 225 return(-1);
jksoft 0:23e533c4b1ec 226 }
jksoft 0:23e533c4b1ec 227
jksoft 0:23e533c4b1ec 228 char* ESP8266::substr(const char *str , char *outstr , int pos1 , int pos2 )
jksoft 0:23e533c4b1ec 229 {
jksoft 0:23e533c4b1ec 230 int size = pos2 - pos1;
jksoft 0:23e533c4b1ec 231
jksoft 0:23e533c4b1ec 232 memcpy(outstr , &str[pos1] , size );
jksoft 0:23e533c4b1ec 233 outstr[size] = '\0';
jksoft 0:23e533c4b1ec 234
jksoft 0:23e533c4b1ec 235 return(outstr);
jksoft 0:23e533c4b1ec 236 }
jksoft 0:23e533c4b1ec 237
jksoft 0:23e533c4b1ec 238 int ESP8266::strcount(const char *str , char countstr )
jksoft 0:23e533c4b1ec 239 {
jksoft 0:23e533c4b1ec 240 int ret = 0;
jksoft 0:23e533c4b1ec 241
jksoft 0:23e533c4b1ec 242 for(int i = 0 ; i < strlen(str) ; i++)
jksoft 0:23e533c4b1ec 243 {
jksoft 0:23e533c4b1ec 244 if( str[i] == countstr )
jksoft 0:23e533c4b1ec 245 {
jksoft 0:23e533c4b1ec 246 ret++;
jksoft 0:23e533c4b1ec 247 }
jksoft 0:23e533c4b1ec 248
jksoft 0:23e533c4b1ec 249 }
jksoft 0:23e533c4b1ec 250
jksoft 0:23e533c4b1ec 251 return(ret);
jksoft 0:23e533c4b1ec 252 }
jksoft 0:23e533c4b1ec 253
jksoft 0:23e533c4b1ec 254 /*
jksoft 0:23e533c4b1ec 255 Assuming Returned data looks like this:
jksoft 0:23e533c4b1ec 256 +CIFSR:STAIP,"192.168.11.2"
jksoft 0:23e533c4b1ec 257 +CIFSR:STAMAC,"18:fe:34:9f:3a:f5"
jksoft 0:23e533c4b1ec 258 grabbing IP from first set of quotation marks
jksoft 0:23e533c4b1ec 259 */
jksoft 0:23e533c4b1ec 260 char* ESP8266::getIPAddress()
jksoft 0:23e533c4b1ec 261 {
jksoft 0:23e533c4b1ec 262 char result[30] = {0};
jksoft 0:23e533c4b1ec 263 char tmp[30] = {0};
jksoft 0:23e533c4b1ec 264 int check = 0;
jksoft 0:23e533c4b1ec 265 check = sendCommand("AT+CIFSR", NULL, result, 1000);
jksoft 0:23e533c4b1ec 266 //pc.printf("\r\nReceivedInfo for IP Command is: %s\r\n",result);
jksoft 0:23e533c4b1ec 267 ip = ipString;
jksoft 0:23e533c4b1ec 268 if(check) {
jksoft 0:23e533c4b1ec 269 // Success
jksoft 0:23e533c4b1ec 270 uint8_t pos1 = 0, pos2 = 0;
jksoft 0:23e533c4b1ec 271 //uint8_t pos3 = 0, pos4 = 0;
jksoft 0:23e533c4b1ec 272 pos1 = strfind(result,"+CIFSR:STAIP",0);
jksoft 0:23e533c4b1ec 273 //pos1 = resultString.find("+CIFSR:STAIP");
jksoft 0:23e533c4b1ec 274 pos1 = strfind(result,"\"",pos1);
jksoft 0:23e533c4b1ec 275 //pos1 = resultString.find('"',pos1);
jksoft 0:23e533c4b1ec 276 pos2 = strfind(result,"\"",pos1+1);
jksoft 0:23e533c4b1ec 277 //pos2 = resultString.find('"',pos1+1);
jksoft 0:23e533c4b1ec 278 //pos3 = resultString.find('"',pos2+1); //would find mac address
jksoft 0:23e533c4b1ec 279 //pos4 = resultString.find('"',pos3+1);
jksoft 0:23e533c4b1ec 280 strncpy(ipString,substr(result,tmp,pos1,pos2),sizeof(ipString));
jksoft 0:23e533c4b1ec 281 INFO("IP: %s",ipString);
jksoft 0:23e533c4b1ec 282 ip = ipString;
jksoft 0:23e533c4b1ec 283
jksoft 0:23e533c4b1ec 284 } else {
jksoft 0:23e533c4b1ec 285 // Failure
jksoft 0:23e533c4b1ec 286 ERR("getIPAddress() failed");
jksoft 0:23e533c4b1ec 287 ip = NULL;
jksoft 0:23e533c4b1ec 288 }
jksoft 0:23e533c4b1ec 289 return ip;
jksoft 0:23e533c4b1ec 290 }
jksoft 0:23e533c4b1ec 291
jksoft 0:23e533c4b1ec 292 bool ESP8266::gethostbyname(const char * host, char * ip)
jksoft 0:23e533c4b1ec 293 {
jksoft 0:23e533c4b1ec 294 int nb_digits = 0;
jksoft 0:23e533c4b1ec 295 char tmp[100];
jksoft 0:23e533c4b1ec 296
jksoft 0:23e533c4b1ec 297 strcpy(ip,host);
jksoft 0:23e533c4b1ec 298
jksoft 0:23e533c4b1ec 299 return true;
jksoft 0:23e533c4b1ec 300 #if 0
jksoft 0:23e533c4b1ec 301 // no dns needed
jksoft 0:23e533c4b1ec 302 int pos = strfind(host,".",0);
jksoft 0:23e533c4b1ec 303 if (pos != -1) {
jksoft 0:23e533c4b1ec 304 nb_digits = atoi(substr(host,tmp,0,pos));
jksoft 0:23e533c4b1ec 305 }
jksoft 0:23e533c4b1ec 306 //printf("substrL %s\r\n", sub.c_str());
jksoft 0:23e533c4b1ec 307 if (strcount(host,'.') == 3 && nb_digits > 0) {
jksoft 0:23e533c4b1ec 308 strcpy(ip, host);
jksoft 0:23e533c4b1ec 309 return true;
jksoft 0:23e533c4b1ec 310 } else {
jksoft 0:23e533c4b1ec 311 // dns needed, not currently available
jksoft 0:23e533c4b1ec 312 ERR("gethostbyname(): DNS Not currently available, only use IP Addresses!");
jksoft 0:23e533c4b1ec 313 return false;
jksoft 0:23e533c4b1ec 314 }
jksoft 0:23e533c4b1ec 315 #endif
jksoft 0:23e533c4b1ec 316 }
jksoft 0:23e533c4b1ec 317
jksoft 0:23e533c4b1ec 318 void ESP8266::reset()
jksoft 0:23e533c4b1ec 319 {
jksoft 0:23e533c4b1ec 320 reset_pin = 0;
jksoft 0:23e533c4b1ec 321 wait_us(20);
jksoft 0:23e533c4b1ec 322 reset_pin = 1;
jksoft 0:23e533c4b1ec 323 //wait(1);
jksoft 0:23e533c4b1ec 324 //reset_pin = !reset_pin
jksoft 0:23e533c4b1ec 325 //send("+++",3);
jksoft 0:23e533c4b1ec 326 wait(1);
jksoft 0:23e533c4b1ec 327 state.cmdMode = true;
jksoft 0:23e533c4b1ec 328 sendCommand("AT", "OK", NULL, 1000);
jksoft 0:23e533c4b1ec 329 sendCommand("AT+RST", "ready", NULL, 10000);
jksoft 0:23e533c4b1ec 330 state.associated = false;
jksoft 0:23e533c4b1ec 331
jksoft 0:23e533c4b1ec 332 }
jksoft 0:23e533c4b1ec 333
jksoft 0:23e533c4b1ec 334 bool ESP8266::reboot()
jksoft 0:23e533c4b1ec 335 {
jksoft 0:23e533c4b1ec 336 reset();
jksoft 0:23e533c4b1ec 337 return true;
jksoft 0:23e533c4b1ec 338 }
jksoft 0:23e533c4b1ec 339
jksoft 0:23e533c4b1ec 340 void ESP8266::handler_rx(void)
jksoft 0:23e533c4b1ec 341 {
jksoft 0:23e533c4b1ec 342 //read characters
jksoft 0:23e533c4b1ec 343 char c;
jksoft 0:23e533c4b1ec 344 while (wifi.readable()) {
jksoft 0:23e533c4b1ec 345 c=wifi.getc();
jksoft 0:23e533c4b1ec 346 buf_ESP8266.queue(c);
jksoft 0:23e533c4b1ec 347 //if (state.cmdMode) pc.printf("%c",c); //debug echo, needs fast serial console to prevent UART overruns
jksoft 0:23e533c4b1ec 348 }
jksoft 0:23e533c4b1ec 349 }
jksoft 0:23e533c4b1ec 350
jksoft 0:23e533c4b1ec 351 void ESP8266::attach_rx(bool callback)
jksoft 0:23e533c4b1ec 352 {
jksoft 0:23e533c4b1ec 353 if (!callback) {
jksoft 0:23e533c4b1ec 354 wifi.attach(NULL);
jksoft 0:23e533c4b1ec 355 }
jksoft 0:23e533c4b1ec 356 else {
jksoft 0:23e533c4b1ec 357 wifi.attach(this, &ESP8266::handler_rx);
jksoft 0:23e533c4b1ec 358 }
jksoft 0:23e533c4b1ec 359 }
jksoft 0:23e533c4b1ec 360
jksoft 0:23e533c4b1ec 361 int ESP8266::readable()
jksoft 0:23e533c4b1ec 362 {
jksoft 0:23e533c4b1ec 363 return buf_ESP8266.available();
jksoft 0:23e533c4b1ec 364 }
jksoft 0:23e533c4b1ec 365
jksoft 0:23e533c4b1ec 366 int ESP8266::writeable()
jksoft 0:23e533c4b1ec 367 {
jksoft 0:23e533c4b1ec 368 return wifi.writeable();
jksoft 0:23e533c4b1ec 369 }
jksoft 0:23e533c4b1ec 370
jksoft 0:23e533c4b1ec 371 char ESP8266::getc()
jksoft 0:23e533c4b1ec 372 {
jksoft 0:23e533c4b1ec 373 char c=0;
jksoft 0:23e533c4b1ec 374 while (!buf_ESP8266.available());
jksoft 0:23e533c4b1ec 375 buf_ESP8266.dequeue(&c);
jksoft 0:23e533c4b1ec 376 return c;
jksoft 0:23e533c4b1ec 377 }
jksoft 0:23e533c4b1ec 378
jksoft 0:23e533c4b1ec 379 int ESP8266::putc(char c)
jksoft 0:23e533c4b1ec 380 {
jksoft 0:23e533c4b1ec 381 while (!wifi.writeable() || wifi.readable()); //wait for echoed command characters to be read first
jksoft 0:23e533c4b1ec 382 return wifi.putc(c);
jksoft 0:23e533c4b1ec 383 }
jksoft 0:23e533c4b1ec 384
jksoft 0:23e533c4b1ec 385 void ESP8266::flush()
jksoft 0:23e533c4b1ec 386 {
jksoft 0:23e533c4b1ec 387 buf_ESP8266.flush();
jksoft 0:23e533c4b1ec 388 }
jksoft 0:23e533c4b1ec 389
jksoft 0:23e533c4b1ec 390 int ESP8266::send(const char * buf, int len)
jksoft 0:23e533c4b1ec 391 {
jksoft 0:23e533c4b1ec 392 //TODO: need to add handler for data > 2048B, this is the max packet size of the ESP8266.
jksoft 0:23e533c4b1ec 393 if(len >= 2048){
jksoft 0:23e533c4b1ec 394 WARN("send buffer >= 2048B, need to chunk this up to be less.");
jksoft 0:23e533c4b1ec 395 }
jksoft 0:23e533c4b1ec 396 const char* bufptr=buf;
jksoft 0:23e533c4b1ec 397 for(int i=0; i<len; i++) {
jksoft 0:23e533c4b1ec 398 putc((int)*bufptr++);
jksoft 0:23e533c4b1ec 399 }
jksoft 0:23e533c4b1ec 400 return len;
jksoft 0:23e533c4b1ec 401 }
jksoft 0:23e533c4b1ec 402
jksoft 0:23e533c4b1ec 403 bool ESP8266::sendCommand(const char * cmd, const char * ACK, char * res, int timeout)
jksoft 0:23e533c4b1ec 404 {
jksoft 0:23e533c4b1ec 405 char read;
jksoft 0:23e533c4b1ec 406 char checking[512] = "";
jksoft 0:23e533c4b1ec 407 int checking_size = 0;
jksoft 0:23e533c4b1ec 408 int fond = -1;
jksoft 0:23e533c4b1ec 409 Timer tmr;
jksoft 0:23e533c4b1ec 410 int result = 0;
jksoft 0:23e533c4b1ec 411
jksoft 0:23e533c4b1ec 412 DBG("sendCmd:\t %s",cmd);
jksoft 0:23e533c4b1ec 413
jksoft 0:23e533c4b1ec 414 attach_rx(true);
jksoft 0:23e533c4b1ec 415
jksoft 0:23e533c4b1ec 416 //We flush the buffer
jksoft 0:23e533c4b1ec 417 while (readable())
jksoft 0:23e533c4b1ec 418 getc();
jksoft 0:23e533c4b1ec 419
jksoft 0:23e533c4b1ec 420 if (!ACK || !strcmp(ACK, "NO")) {
jksoft 0:23e533c4b1ec 421 for (int i = 0; i < strlen(cmd); i++) {
jksoft 0:23e533c4b1ec 422 result = (putc(cmd[i]) == cmd[i]) ? result + 1 : result;
jksoft 0:23e533c4b1ec 423 wait(0.005f); // prevents stuck recieve ready (?) need to let echoed character get read first
jksoft 0:23e533c4b1ec 424 }
jksoft 0:23e533c4b1ec 425 putc(13); //CR
jksoft 0:23e533c4b1ec 426 wait(0.005f); // wait for echo
jksoft 0:23e533c4b1ec 427 putc(10); //LF
jksoft 0:23e533c4b1ec 428
jksoft 0:23e533c4b1ec 429 } else {
jksoft 0:23e533c4b1ec 430 //We flush the buffer
jksoft 0:23e533c4b1ec 431 while (readable())
jksoft 0:23e533c4b1ec 432 getc();
jksoft 0:23e533c4b1ec 433
jksoft 0:23e533c4b1ec 434 tmr.start();
jksoft 0:23e533c4b1ec 435 for (int i = 0; i < strlen(cmd); i++) {
jksoft 0:23e533c4b1ec 436 result = (putc(cmd[i]) == cmd[i]) ? result + 1 : result;
jksoft 0:23e533c4b1ec 437 wait(.005); // wait for echo
jksoft 0:23e533c4b1ec 438 }
jksoft 0:23e533c4b1ec 439 putc(13); //CR
jksoft 0:23e533c4b1ec 440 wait(0.005f); // wait for echo
jksoft 0:23e533c4b1ec 441 putc(10); //LF
jksoft 0:23e533c4b1ec 442
jksoft 0:23e533c4b1ec 443 while (1) {
jksoft 0:23e533c4b1ec 444 if (tmr.read_ms() > timeout) {
jksoft 0:23e533c4b1ec 445 //We flush the buffer
jksoft 0:23e533c4b1ec 446 while (readable())
jksoft 0:23e533c4b1ec 447 getc();
jksoft 0:23e533c4b1ec 448
jksoft 0:23e533c4b1ec 449 DBG("check:\t %s", checking);
jksoft 0:23e533c4b1ec 450
jksoft 0:23e533c4b1ec 451 attach_rx(true);
jksoft 0:23e533c4b1ec 452 return -1;
jksoft 0:23e533c4b1ec 453 } else if (readable()) {
jksoft 0:23e533c4b1ec 454 read = getc();
jksoft 0:23e533c4b1ec 455 //pc.printf("%c",read); //debug echo
jksoft 0:23e533c4b1ec 456 if ( read != '\r' && read != '\n') {
jksoft 0:23e533c4b1ec 457 checking[checking_size] = read;
jksoft 0:23e533c4b1ec 458 checking_size++;
jksoft 0:23e533c4b1ec 459 checking[checking_size] = '\0';
jksoft 0:23e533c4b1ec 460 fond = strfind(checking,ACK,0);
jksoft 0:23e533c4b1ec 461 if (fond != -1) {
jksoft 0:23e533c4b1ec 462 wait(0.01f);
jksoft 0:23e533c4b1ec 463
jksoft 0:23e533c4b1ec 464 //We flush the buffer
jksoft 0:23e533c4b1ec 465 while (readable())
jksoft 0:23e533c4b1ec 466 read = getc();
jksoft 0:23e533c4b1ec 467 //printf("%c",read); //debug echo
jksoft 0:23e533c4b1ec 468 break;
jksoft 0:23e533c4b1ec 469 }
jksoft 0:23e533c4b1ec 470 }
jksoft 0:23e533c4b1ec 471 }
jksoft 0:23e533c4b1ec 472 }
jksoft 0:23e533c4b1ec 473 DBG("check: %s", checking);
jksoft 0:23e533c4b1ec 474
jksoft 0:23e533c4b1ec 475 attach_rx(true);
jksoft 0:23e533c4b1ec 476 return result;
jksoft 0:23e533c4b1ec 477 }
jksoft 0:23e533c4b1ec 478
jksoft 0:23e533c4b1ec 479 //the user wants the result from the command (ACK == NULL, res != NULL)
jksoft 0:23e533c4b1ec 480 if (res != NULL) {
jksoft 0:23e533c4b1ec 481 int i = 0;
jksoft 0:23e533c4b1ec 482 Timer timeout;
jksoft 0:23e533c4b1ec 483 timeout.start();
jksoft 0:23e533c4b1ec 484 tmr.reset();
jksoft 0:23e533c4b1ec 485 while (1) {
jksoft 0:23e533c4b1ec 486 if (timeout.read() > 2) {
jksoft 0:23e533c4b1ec 487 if (i == 0) {
jksoft 0:23e533c4b1ec 488 res = NULL;
jksoft 0:23e533c4b1ec 489 break;
jksoft 0:23e533c4b1ec 490 }
jksoft 0:23e533c4b1ec 491 res[i] = '\0';
jksoft 0:23e533c4b1ec 492 DBG("user str 1: %s", res);
jksoft 0:23e533c4b1ec 493
jksoft 0:23e533c4b1ec 494 break;
jksoft 0:23e533c4b1ec 495 } else {
jksoft 0:23e533c4b1ec 496 if (tmr.read_ms() > 300) {
jksoft 0:23e533c4b1ec 497 res[i] = '\0';
jksoft 0:23e533c4b1ec 498 DBG("user str: %s", res);
jksoft 0:23e533c4b1ec 499
jksoft 0:23e533c4b1ec 500 break;
jksoft 0:23e533c4b1ec 501 }
jksoft 0:23e533c4b1ec 502 if (readable()) {
jksoft 0:23e533c4b1ec 503 tmr.start();
jksoft 0:23e533c4b1ec 504 read = getc();
jksoft 0:23e533c4b1ec 505
jksoft 0:23e533c4b1ec 506 // we drop \r and \n
jksoft 0:23e533c4b1ec 507 if ( read != '\r' && read != '\n') {
jksoft 0:23e533c4b1ec 508 res[i++] = read;
jksoft 0:23e533c4b1ec 509 }
jksoft 0:23e533c4b1ec 510 }
jksoft 0:23e533c4b1ec 511 }
jksoft 0:23e533c4b1ec 512 }
jksoft 0:23e533c4b1ec 513 DBG("user str: %s", res);
jksoft 0:23e533c4b1ec 514 }
jksoft 0:23e533c4b1ec 515
jksoft 0:23e533c4b1ec 516 //We flush the buffer
jksoft 0:23e533c4b1ec 517 while (readable())
jksoft 0:23e533c4b1ec 518 getc();
jksoft 0:23e533c4b1ec 519
jksoft 0:23e533c4b1ec 520 attach_rx(true);
jksoft 0:23e533c4b1ec 521 DBG("result: %d", result)
jksoft 0:23e533c4b1ec 522 return result;
jksoft 0:23e533c4b1ec 523 }