Switch Science / Mbed 2 deprecated wifi_car_mbedLPC1114FN28

モータードライバとWi-FiモジュールESP-WROOM-02をmbed LPC1114FN28に繋げて、RCWControllerからコントロールするプログラム

Dependencies:   mbed

ESP8266InterfaceTiny/ESP8266/ESP8266.cpp@0:3c24a40c2343, 2016-07-22 (annotated)

Committer:
jksoft
Date:
Fri Jul 22 05:36:02 2016 +0000
Revision:
0:3c24a40c2343
??

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jksoft 0:3c24a40c2343 1 /* Copyright (C) 2012 mbed.org, MIT License
jksoft 0:3c24a40c2343 2 *
jksoft 0:3c24a40c2343 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
jksoft 0:3c24a40c2343 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
jksoft 0:3c24a40c2343 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
jksoft 0:3c24a40c2343 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
jksoft 0:3c24a40c2343 7 * furnished to do so, subject to the following conditions:
jksoft 0:3c24a40c2343 8 *
jksoft 0:3c24a40c2343 9 * The above copyright notice and this permission notice shall be included in all copies or
jksoft 0:3c24a40c2343 10 * substantial portions of the Software.
jksoft 0:3c24a40c2343 11 *
jksoft 0:3c24a40c2343 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
jksoft 0:3c24a40c2343 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
jksoft 0:3c24a40c2343 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
jksoft 0:3c24a40c2343 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jksoft 0:3c24a40c2343 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
jksoft 0:3c24a40c2343 17 */
jksoft 0:3c24a40c2343 18
jksoft 0:3c24a40c2343 19 #include "mbed.h"
jksoft 0:3c24a40c2343 20 #include "ESP8266.h"
jksoft 0:3c24a40c2343 21 #include "Endpoint.h"
jksoft 0:3c24a40c2343 22
jksoft 0:3c24a40c2343 23 //#include <string>
jksoft 0:3c24a40c2343 24 //#include <algorithm>
jksoft 0:3c24a40c2343 25 #include "SoftSerialSendOnry.h"
jksoft 0:3c24a40c2343 26
jksoft 0:3c24a40c2343 27 extern SoftSerialSendOnry pc;
jksoft 0:3c24a40c2343 28 //Debug is disabled by default
jksoft 0:3c24a40c2343 29 #if 0
jksoft 0:3c24a40c2343 30 #define DBG(x, ...) pc.printf("[ESP8266 : DBG]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
jksoft 0:3c24a40c2343 31 #define WARN(x, ...) pc.printf("[ESP8266 : WARN]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
jksoft 0:3c24a40c2343 32 #define ERR(x, ...) pc.printf("[ESP8266 : ERR]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
jksoft 0:3c24a40c2343 33 #else
jksoft 0:3c24a40c2343 34 #define DBG(x, ...) //wait_us(10);
jksoft 0:3c24a40c2343 35 #define WARN(x, ...) //wait_us(10);
jksoft 0:3c24a40c2343 36 #define ERR(x, ...)
jksoft 0:3c24a40c2343 37 #endif
jksoft 0:3c24a40c2343 38
jksoft 0:3c24a40c2343 39 #if 0
jksoft 0:3c24a40c2343 40 #define INFO(x, ...) printf("[ESP8266 : INFO]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
jksoft 0:3c24a40c2343 41 #else
jksoft 0:3c24a40c2343 42 #define INFO(x, ...)
jksoft 0:3c24a40c2343 43 #endif
jksoft 0:3c24a40c2343 44
jksoft 0:3c24a40c2343 45 #define ESP_MAX_TRY_JOIN 3
jksoft 0:3c24a40c2343 46 #define ESP_MAXID 4 // the largest possible ID Value (max num of sockets possible)
jksoft 0:3c24a40c2343 47
jksoft 0:3c24a40c2343 48 ESP8266 * ESP8266::inst;
jksoft 0:3c24a40c2343 49 char* ip = NULL;
jksoft 0:3c24a40c2343 50
jksoft 0:3c24a40c2343 51 ESP8266::ESP8266(PinName tx, PinName rx, PinName reset, const char *ssid, const char *phrase, uint32_t baud) :
jksoft 0:3c24a40c2343 52 wifi(tx, rx), reset_pin(reset), buf_ESP8266(ESP_MBUFFE_MAX)
jksoft 0:3c24a40c2343 53 {
jksoft 0:3c24a40c2343 54 INFO("Initializing ESP8266 object");
jksoft 0:3c24a40c2343 55 memset(&state, 0, sizeof(state));
jksoft 0:3c24a40c2343 56
jksoft 0:3c24a40c2343 57
jksoft 0:3c24a40c2343 58 strcpy(this->ssid, ssid);
jksoft 0:3c24a40c2343 59 strcpy(this->phrase, phrase);
jksoft 0:3c24a40c2343 60 inst = this;
jksoft 0:3c24a40c2343 61 attach_rx(false);
jksoft 0:3c24a40c2343 62
jksoft 0:3c24a40c2343 63 wifi.baud(baud); // initial baud rate of the ESP8266
jksoft 0:3c24a40c2343 64
jksoft 0:3c24a40c2343 65 state.associated = false;
jksoft 0:3c24a40c2343 66 state.cmdMode = false;
jksoft 0:3c24a40c2343 67 }
jksoft 0:3c24a40c2343 68
jksoft 0:3c24a40c2343 69 bool ESP8266::join()
jksoft 0:3c24a40c2343 70 {
jksoft 0:3c24a40c2343 71 char cmd[100];
jksoft 0:3c24a40c2343 72 sendCommand( "AT+CWMODE=1", "change", NULL, 1000);
jksoft 0:3c24a40c2343 73 //string cmd="AT+CWJAP=\""+(string)this->ssid+"\",\""+(string)this->phrase+"\"";
jksoft 0:3c24a40c2343 74 sprintf(cmd,"AT+CWJAP=\"%s\",\"%s\"",this->ssid,this->phrase);
jksoft 0:3c24a40c2343 75 if( sendCommand( cmd, "OK", NULL, 10000) ) {
jksoft 0:3c24a40c2343 76 // successfully joined the network
jksoft 0:3c24a40c2343 77 state.associated = true;
jksoft 0:3c24a40c2343 78 INFO("ssid: %s, phrase: %s", this->ssid, this->phrase);
jksoft 0:3c24a40c2343 79 return true;
jksoft 0:3c24a40c2343 80 }
jksoft 0:3c24a40c2343 81 return false;
jksoft 0:3c24a40c2343 82 }
jksoft 0:3c24a40c2343 83
jksoft 0:3c24a40c2343 84 bool ESP8266::single_ap()
jksoft 0:3c24a40c2343 85 {
jksoft 0:3c24a40c2343 86 char cmd[100];
jksoft 0:3c24a40c2343 87 sendCommand( "AT+CWMODE=2", "change", NULL, 1000);
jksoft 0:3c24a40c2343 88 //string cmd="AT+CWJAP=\""+(string)this->ssid+"\",\""+(string)this->phrase+"\"";
jksoft 0:3c24a40c2343 89 sprintf(cmd,"AT+CWSAP=\"%s\",\"%s\",11,3",this->ssid,this->phrase);
jksoft 0:3c24a40c2343 90 if( sendCommand( cmd, "OK", NULL, 10000) ) {
jksoft 0:3c24a40c2343 91 // successfully joined the network
jksoft 0:3c24a40c2343 92 state.associated = true;
jksoft 0:3c24a40c2343 93 INFO("ssid: %s, phrase: %s", this->ssid, this->phrase);
jksoft 0:3c24a40c2343 94 wait(1);
jksoft 0:3c24a40c2343 95 // Enable DHCP
jksoft 0:3c24a40c2343 96 sendCommand("AT+CWDHCP=0,1","OK",NULL,1000);
jksoft 0:3c24a40c2343 97 wait(1);
jksoft 0:3c24a40c2343 98 return true;
jksoft 0:3c24a40c2343 99 }
jksoft 0:3c24a40c2343 100 return false;
jksoft 0:3c24a40c2343 101 }
jksoft 0:3c24a40c2343 102
jksoft 0:3c24a40c2343 103 bool ESP8266::connect()
jksoft 0:3c24a40c2343 104 {
jksoft 0:3c24a40c2343 105 sendCommand("AT+CWDHCP=1,1","OK",NULL,1000); // DHCP Enabled in Station Mode
jksoft 0:3c24a40c2343 106 return ESP8266::join();
jksoft 0:3c24a40c2343 107 }
jksoft 0:3c24a40c2343 108
jksoft 0:3c24a40c2343 109 bool ESP8266::is_connected()
jksoft 0:3c24a40c2343 110 {
jksoft 0:3c24a40c2343 111 return true;
jksoft 0:3c24a40c2343 112 }
jksoft 0:3c24a40c2343 113
jksoft 0:3c24a40c2343 114 bool ESP8266::start(bool type,char* ip, int port, int id)
jksoft 0:3c24a40c2343 115 {
jksoft 0:3c24a40c2343 116 char cmd[256];
jksoft 0:3c24a40c2343 117 // Error Check
jksoft 0:3c24a40c2343 118 if(id > ESP_MAXID) {
jksoft 0:3c24a40c2343 119 ERR("startUDPMulti: max id is: %d, id given is %d",ESP_MAXID,id);
jksoft 0:3c24a40c2343 120 return false;
jksoft 0:3c24a40c2343 121 }
jksoft 0:3c24a40c2343 122 // Single Connection Mode
jksoft 0:3c24a40c2343 123 if(id < 0) {
jksoft 0:3c24a40c2343 124 DBG("Start Single Connection Mode");
jksoft 0:3c24a40c2343 125 //char portstr[5];
jksoft 0:3c24a40c2343 126 bool check [3] = {0};
jksoft 0:3c24a40c2343 127 //sprintf(portstr, "%d", port);
jksoft 0:3c24a40c2343 128 switch(type) {
jksoft 0:3c24a40c2343 129 case ESP_UDP_TYPE : //UDP
jksoft 0:3c24a40c2343 130 sprintf(cmd,"AT+CIPSTART=\"UDP\",\"%s\",%d,%d,0",ip,port,port+1);
jksoft 0:3c24a40c2343 131 pc.printf("%s\r\n",cmd);
jksoft 0:3c24a40c2343 132 check[0] = sendCommand(cmd, "OK", NULL, 10000);
jksoft 0:3c24a40c2343 133 //check[0] = sendCommand(( "AT+CIPSTART=\"UDP\",\"" + (string) ip + "\"," + (string) portstr ).c_str(), "OK", NULL, 10000);
jksoft 0:3c24a40c2343 134 break;
jksoft 0:3c24a40c2343 135 case ESP_TCP_TYPE : //TCP
jksoft 0:3c24a40c2343 136 sprintf(cmd,"AT+CIPSTART=\"TCP\",\"%s\",%d",ip,port);
jksoft 0:3c24a40c2343 137 check[0] = sendCommand(cmd, "OK", NULL, 10000);
jksoft 0:3c24a40c2343 138 //check[0] = sendCommand(( "AT+CIPSTART=\"TCP\",\"" + (string) ip + "\"," + (string) portstr ).c_str(), "OK", NULL, 10000);
jksoft 0:3c24a40c2343 139 break;
jksoft 0:3c24a40c2343 140 default:
jksoft 0:3c24a40c2343 141 ERR("Default hit for starting connection, this shouldnt be possible!!");
jksoft 0:3c24a40c2343 142 break;
jksoft 0:3c24a40c2343 143 }
jksoft 0:3c24a40c2343 144 check[1] = sendCommand("AT+CIPMODE=1", "OK", NULL, 1000);// go into transparent mode
jksoft 0:3c24a40c2343 145 check[2] = sendCommand("AT+CIPSEND", ">", NULL, 1000);// go into transparent mode
jksoft 0:3c24a40c2343 146 // check that all commands were sucessful
jksoft 0:3c24a40c2343 147 if(check[0] and check[1] and check[2]) {
jksoft 0:3c24a40c2343 148 state.cmdMode = false;
jksoft 0:3c24a40c2343 149 return true;
jksoft 0:3c24a40c2343 150 } else {
jksoft 0:3c24a40c2343 151 ERR("startUDPTransparent Failed for ip:%s, port:%d",ip,port);
jksoft 0:3c24a40c2343 152 return false;
jksoft 0:3c24a40c2343 153 }
jksoft 0:3c24a40c2343 154 }
jksoft 0:3c24a40c2343 155 // Multi Connection Mode
jksoft 0:3c24a40c2343 156 else {
jksoft 0:3c24a40c2343 157 //TODO: impliment Multi Connection Mode
jksoft 0:3c24a40c2343 158 ERR("Not currently Supported!");
jksoft 0:3c24a40c2343 159 return false;
jksoft 0:3c24a40c2343 160 }
jksoft 0:3c24a40c2343 161 }
jksoft 0:3c24a40c2343 162
jksoft 0:3c24a40c2343 163 bool ESP8266::startUDP(char* ip, int port, int id, int length)
jksoft 0:3c24a40c2343 164 {
jksoft 0:3c24a40c2343 165 char cmd[256];
jksoft 0:3c24a40c2343 166 char portstr[5];
jksoft 0:3c24a40c2343 167 char idstr[1];
jksoft 0:3c24a40c2343 168 char lenstr[2];
jksoft 0:3c24a40c2343 169
jksoft 0:3c24a40c2343 170 sprintf(portstr, "%d", port);
jksoft 0:3c24a40c2343 171 sprintf(idstr, "%d", id);
jksoft 0:3c24a40c2343 172 sprintf(lenstr, "%d", length);
jksoft 0:3c24a40c2343 173
jksoft 0:3c24a40c2343 174 sendCommand("AT+CIPMUX=1", "OK", NULL, 1000);
jksoft 0:3c24a40c2343 175 sprintf(cmd,"AT+CIPSTART=%d,\"UDP\",\"%s\",%d,1112,0",id,ip,port);
jksoft 0:3c24a40c2343 176 sendCommand(cmd, "OK", NULL, 10000);
jksoft 0:3c24a40c2343 177 //sendCommand(( "AT+CIPSTART=" + string(idstr) + ",\"UDP\",\"" + (string) ip + "\"," + (string) portstr + ",1112,0").c_str(), "OK", NULL, 10000);
jksoft 0:3c24a40c2343 178 sprintf(cmd,"AT+CIPSEND=%d,%d",id,length);
jksoft 0:3c24a40c2343 179 sendCommand(cmd, ">", NULL, 1000);// go into transparent mode
jksoft 0:3c24a40c2343 180 //sendCommand(("AT+CIPSEND=" + (string)idstr + "," + (string)lenstr).c_str(), ">", NULL, 1000);// go into transparent mode
jksoft 0:3c24a40c2343 181 DBG("Data Mode\r\n");
jksoft 0:3c24a40c2343 182 state.cmdMode = false;
jksoft 0:3c24a40c2343 183
jksoft 0:3c24a40c2343 184 return true;
jksoft 0:3c24a40c2343 185 }
jksoft 0:3c24a40c2343 186
jksoft 0:3c24a40c2343 187 bool ESP8266::startTCPServer(int port)
jksoft 0:3c24a40c2343 188 {
jksoft 0:3c24a40c2343 189 char cmd[100];
jksoft 0:3c24a40c2343 190 bool command_results[3];
jksoft 0:3c24a40c2343 191 command_results[0]=sendCommand("AT+CWMODE=3", "OK", NULL, 1000);
jksoft 0:3c24a40c2343 192 command_results[1]=sendCommand("AT+CIPMUX=1", "OK", NULL, 1000);
jksoft 0:3c24a40c2343 193 if(port == 333){
jksoft 0:3c24a40c2343 194 command_results[2]=sendCommand("AT+CIPSERVER=1", "OK", NULL, 1000);
jksoft 0:3c24a40c2343 195 }
jksoft 0:3c24a40c2343 196 else{
jksoft 0:3c24a40c2343 197 sprintf(cmd,"AT+CIPSERVER=1,%d",port);
jksoft 0:3c24a40c2343 198 command_results[2]=sendCommand(cmd, "OK", NULL, 1000);
jksoft 0:3c24a40c2343 199 }
jksoft 0:3c24a40c2343 200 //sendCommand("AT+CIFSR", "OK", NULL, 1000);
jksoft 0:3c24a40c2343 201 DBG("Data Mode\r\n");
jksoft 0:3c24a40c2343 202 state.cmdMode = false;
jksoft 0:3c24a40c2343 203 if (command_results[0] and command_results[1] and command_results[2]){
jksoft 0:3c24a40c2343 204 return true;
jksoft 0:3c24a40c2343 205 }
jksoft 0:3c24a40c2343 206 else{
jksoft 0:3c24a40c2343 207 return false;
jksoft 0:3c24a40c2343 208 }
jksoft 0:3c24a40c2343 209 }
jksoft 0:3c24a40c2343 210
jksoft 0:3c24a40c2343 211 bool ESP8266::close()
jksoft 0:3c24a40c2343 212 {
jksoft 0:3c24a40c2343 213 wait(0.1f);
jksoft 0:3c24a40c2343 214 send("+++",3);
jksoft 0:3c24a40c2343 215 wait(1.0f);
jksoft 0:3c24a40c2343 216 state.cmdMode = true;
jksoft 0:3c24a40c2343 217 sendCommand("AT+CIPCLOSE","OK", NULL, 10000);
jksoft 0:3c24a40c2343 218 return true;
jksoft 0:3c24a40c2343 219 }
jksoft 0:3c24a40c2343 220
jksoft 0:3c24a40c2343 221 bool ESP8266::disconnect()
jksoft 0:3c24a40c2343 222 {
jksoft 0:3c24a40c2343 223 // if already disconnected, return
jksoft 0:3c24a40c2343 224 if (!state.associated)
jksoft 0:3c24a40c2343 225 return true;
jksoft 0:3c24a40c2343 226 // send command to quit AP
jksoft 0:3c24a40c2343 227 sendCommand("AT+CWQAP", "OK", NULL, 10000);
jksoft 0:3c24a40c2343 228 state.associated = false;
jksoft 0:3c24a40c2343 229 return true;
jksoft 0:3c24a40c2343 230 }
jksoft 0:3c24a40c2343 231
jksoft 0:3c24a40c2343 232 int ESP8266::strfind(const char *str,const char *chkstr,int pos)
jksoft 0:3c24a40c2343 233 {
jksoft 0:3c24a40c2343 234 if( (strlen(str)-pos) < strlen(chkstr) ) return(-1);
jksoft 0:3c24a40c2343 235
jksoft 0:3c24a40c2343 236
jksoft 0:3c24a40c2343 237 for(int i=pos;i<strlen(str);i++)
jksoft 0:3c24a40c2343 238 {
jksoft 0:3c24a40c2343 239 if(memcmp(chkstr,&str[i],strlen(chkstr))==0)
jksoft 0:3c24a40c2343 240 {
jksoft 0:3c24a40c2343 241 return(i);
jksoft 0:3c24a40c2343 242 }
jksoft 0:3c24a40c2343 243 }
jksoft 0:3c24a40c2343 244 return(-1);
jksoft 0:3c24a40c2343 245 }
jksoft 0:3c24a40c2343 246
jksoft 0:3c24a40c2343 247 char* ESP8266::substr(const char *str , char *outstr , int pos1 , int pos2 )
jksoft 0:3c24a40c2343 248 {
jksoft 0:3c24a40c2343 249 int size = pos2 - pos1;
jksoft 0:3c24a40c2343 250
jksoft 0:3c24a40c2343 251 memcpy(outstr , &str[pos1] , size );
jksoft 0:3c24a40c2343 252 outstr[size] = '\0';
jksoft 0:3c24a40c2343 253
jksoft 0:3c24a40c2343 254 return(outstr);
jksoft 0:3c24a40c2343 255 }
jksoft 0:3c24a40c2343 256
jksoft 0:3c24a40c2343 257 int ESP8266::strcount(const char *str , char countstr )
jksoft 0:3c24a40c2343 258 {
jksoft 0:3c24a40c2343 259 int ret = 0;
jksoft 0:3c24a40c2343 260
jksoft 0:3c24a40c2343 261 for(int i = 0 ; i < strlen(str) ; i++)
jksoft 0:3c24a40c2343 262 {
jksoft 0:3c24a40c2343 263 if( str[i] == countstr )
jksoft 0:3c24a40c2343 264 {
jksoft 0:3c24a40c2343 265 ret++;
jksoft 0:3c24a40c2343 266 }
jksoft 0:3c24a40c2343 267
jksoft 0:3c24a40c2343 268 }
jksoft 0:3c24a40c2343 269
jksoft 0:3c24a40c2343 270 return(ret);
jksoft 0:3c24a40c2343 271 }
jksoft 0:3c24a40c2343 272
jksoft 0:3c24a40c2343 273 /*
jksoft 0:3c24a40c2343 274 Assuming Returned data looks like this:
jksoft 0:3c24a40c2343 275 +CIFSR:STAIP,"192.168.11.2"
jksoft 0:3c24a40c2343 276 +CIFSR:STAMAC,"18:fe:34:9f:3a:f5"
jksoft 0:3c24a40c2343 277 grabbing IP from first set of quotation marks
jksoft 0:3c24a40c2343 278 */
jksoft 0:3c24a40c2343 279 char* ESP8266::getIPAddress()
jksoft 0:3c24a40c2343 280 {
jksoft 0:3c24a40c2343 281 char result[80] = {0};
jksoft 0:3c24a40c2343 282 char tmp[30] = {0};
jksoft 0:3c24a40c2343 283 int check = 0;
jksoft 0:3c24a40c2343 284 check = sendCommand("AT+CIFSR", NULL, result, 1000);
jksoft 0:3c24a40c2343 285 pc.printf("\r\nReceivedInfo for IP Command is: %s\r\n",result);
jksoft 0:3c24a40c2343 286 ip = ipString;
jksoft 0:3c24a40c2343 287 if(check) {
jksoft 0:3c24a40c2343 288 // Success
jksoft 0:3c24a40c2343 289 uint8_t pos1 = 0, pos2 = 0;
jksoft 0:3c24a40c2343 290 //uint8_t pos3 = 0, pos4 = 0;
jksoft 0:3c24a40c2343 291 //pos1 = strfind(result,"+CIFSR:STAIP",0);
jksoft 0:3c24a40c2343 292 pos1 = strfind(result,"+CIFSR:APIP",0);
jksoft 0:3c24a40c2343 293 //pos1 = resultString.find("+CIFSR:STAIP");
jksoft 0:3c24a40c2343 294 pos1 = strfind(result,"\"",pos1);
jksoft 0:3c24a40c2343 295 //pos1 = resultString.find('"',pos1);
jksoft 0:3c24a40c2343 296 pos2 = strfind(result,"\"",pos1+1);
jksoft 0:3c24a40c2343 297 //pos2 = resultString.find('"',pos1+1);
jksoft 0:3c24a40c2343 298 //pos3 = resultString.find('"',pos2+1); //would find mac address
jksoft 0:3c24a40c2343 299 //pos4 = resultString.find('"',pos3+1);
jksoft 0:3c24a40c2343 300 strncpy(ipString,substr(result,tmp,pos1+1,pos2),sizeof(ipString));
jksoft 0:3c24a40c2343 301 ipString[pos2 - pos1 +1] = 0; // null terminate string correctly.
jksoft 0:3c24a40c2343 302 INFO("IP: %s",ipString);
jksoft 0:3c24a40c2343 303 ip = ipString;
jksoft 0:3c24a40c2343 304
jksoft 0:3c24a40c2343 305 } else {
jksoft 0:3c24a40c2343 306 // Failure
jksoft 0:3c24a40c2343 307 ERR("getIPAddress() failed");
jksoft 0:3c24a40c2343 308 ip = NULL;
jksoft 0:3c24a40c2343 309 }
jksoft 0:3c24a40c2343 310 return ip;
jksoft 0:3c24a40c2343 311 }
jksoft 0:3c24a40c2343 312
jksoft 0:3c24a40c2343 313 bool ESP8266::gethostbyname(const char * host, char * ip)
jksoft 0:3c24a40c2343 314 {
jksoft 0:3c24a40c2343 315 int nb_digits = 0;
jksoft 0:3c24a40c2343 316 char tmp[100];
jksoft 0:3c24a40c2343 317
jksoft 0:3c24a40c2343 318 strcpy(ip,host);
jksoft 0:3c24a40c2343 319
jksoft 0:3c24a40c2343 320 return true;
jksoft 0:3c24a40c2343 321 #if 0
jksoft 0:3c24a40c2343 322 // no dns needed
jksoft 0:3c24a40c2343 323 int pos = strfind(host,".",0);
jksoft 0:3c24a40c2343 324 if (pos != -1) {
jksoft 0:3c24a40c2343 325 nb_digits = atoi(substr(host,tmp,0,pos));
jksoft 0:3c24a40c2343 326 }
jksoft 0:3c24a40c2343 327 //printf("substrL %s\r\n", sub.c_str());
jksoft 0:3c24a40c2343 328 if (strcount(host,'.') == 3 && nb_digits > 0) {
jksoft 0:3c24a40c2343 329 strcpy(ip, host);
jksoft 0:3c24a40c2343 330 return true;
jksoft 0:3c24a40c2343 331 } else {
jksoft 0:3c24a40c2343 332 // dns needed, not currently available
jksoft 0:3c24a40c2343 333 ERR("gethostbyname(): DNS Not currently available, only use IP Addresses!");
jksoft 0:3c24a40c2343 334 return false;
jksoft 0:3c24a40c2343 335 }
jksoft 0:3c24a40c2343 336 #endif
jksoft 0:3c24a40c2343 337 }
jksoft 0:3c24a40c2343 338
jksoft 0:3c24a40c2343 339 void ESP8266::reset()
jksoft 0:3c24a40c2343 340 {
jksoft 0:3c24a40c2343 341 reset_pin = 0;
jksoft 0:3c24a40c2343 342 wait_us(20);
jksoft 0:3c24a40c2343 343 reset_pin = 1;
jksoft 0:3c24a40c2343 344 //wait(1);
jksoft 0:3c24a40c2343 345 //reset_pin = !reset_pin
jksoft 0:3c24a40c2343 346 //send("+++",3);
jksoft 0:3c24a40c2343 347 wait(1);
jksoft 0:3c24a40c2343 348 state.cmdMode = true;
jksoft 0:3c24a40c2343 349 sendCommand("AT", "OK", NULL, 1000);
jksoft 0:3c24a40c2343 350 sendCommand("AT+RST", "ready", NULL, 10000);
jksoft 0:3c24a40c2343 351 state.associated = false;
jksoft 0:3c24a40c2343 352
jksoft 0:3c24a40c2343 353 }
jksoft 0:3c24a40c2343 354
jksoft 0:3c24a40c2343 355 bool ESP8266::reboot()
jksoft 0:3c24a40c2343 356 {
jksoft 0:3c24a40c2343 357 reset();
jksoft 0:3c24a40c2343 358 return true;
jksoft 0:3c24a40c2343 359 }
jksoft 0:3c24a40c2343 360
jksoft 0:3c24a40c2343 361 void ESP8266::handler_rx(void)
jksoft 0:3c24a40c2343 362 {
jksoft 0:3c24a40c2343 363 //read characters
jksoft 0:3c24a40c2343 364 char c;
jksoft 0:3c24a40c2343 365 while (wifi.readable()) {
jksoft 0:3c24a40c2343 366 c=wifi.getc();
jksoft 0:3c24a40c2343 367 buf_ESP8266.queue(c);
jksoft 0:3c24a40c2343 368 //if (state.cmdMode) pc.printf("%c",c); //debug echo, needs fast serial console to prevent UART overruns
jksoft 0:3c24a40c2343 369 }
jksoft 0:3c24a40c2343 370 }
jksoft 0:3c24a40c2343 371
jksoft 0:3c24a40c2343 372 void ESP8266::attach_rx(bool callback)
jksoft 0:3c24a40c2343 373 {
jksoft 0:3c24a40c2343 374 if (!callback) {
jksoft 0:3c24a40c2343 375 wifi.attach(NULL);
jksoft 0:3c24a40c2343 376 }
jksoft 0:3c24a40c2343 377 else {
jksoft 0:3c24a40c2343 378 wifi.attach(this, &ESP8266::handler_rx);
jksoft 0:3c24a40c2343 379 }
jksoft 0:3c24a40c2343 380 }
jksoft 0:3c24a40c2343 381
jksoft 0:3c24a40c2343 382 int ESP8266::readable()
jksoft 0:3c24a40c2343 383 {
jksoft 0:3c24a40c2343 384 return buf_ESP8266.available();
jksoft 0:3c24a40c2343 385 }
jksoft 0:3c24a40c2343 386
jksoft 0:3c24a40c2343 387 int ESP8266::writeable()
jksoft 0:3c24a40c2343 388 {
jksoft 0:3c24a40c2343 389 return wifi.writeable();
jksoft 0:3c24a40c2343 390 }
jksoft 0:3c24a40c2343 391
jksoft 0:3c24a40c2343 392 char ESP8266::getc()
jksoft 0:3c24a40c2343 393 {
jksoft 0:3c24a40c2343 394 char c=0;
jksoft 0:3c24a40c2343 395 while (!buf_ESP8266.available());
jksoft 0:3c24a40c2343 396 buf_ESP8266.dequeue(&c);
jksoft 0:3c24a40c2343 397 return c;
jksoft 0:3c24a40c2343 398 }
jksoft 0:3c24a40c2343 399
jksoft 0:3c24a40c2343 400 int ESP8266::putc(char c)
jksoft 0:3c24a40c2343 401 {
jksoft 0:3c24a40c2343 402 while (!wifi.writeable() || wifi.readable()); //wait for echoed command characters to be read first
jksoft 0:3c24a40c2343 403 return wifi.putc(c);
jksoft 0:3c24a40c2343 404 }
jksoft 0:3c24a40c2343 405
jksoft 0:3c24a40c2343 406 void ESP8266::flush()
jksoft 0:3c24a40c2343 407 {
jksoft 0:3c24a40c2343 408 buf_ESP8266.flush();
jksoft 0:3c24a40c2343 409 }
jksoft 0:3c24a40c2343 410
jksoft 0:3c24a40c2343 411 int ESP8266::send(const char * buf, int len)
jksoft 0:3c24a40c2343 412 {
jksoft 0:3c24a40c2343 413 //TODO: need to add handler for data > 2048B, this is the max packet size of the ESP8266.
jksoft 0:3c24a40c2343 414 if(len >= 2048){
jksoft 0:3c24a40c2343 415 WARN("send buffer >= 2048B, need to chunk this up to be less.");
jksoft 0:3c24a40c2343 416 }
jksoft 0:3c24a40c2343 417 const char* bufptr=buf;
jksoft 0:3c24a40c2343 418 for(int i=0; i<len; i++) {
jksoft 0:3c24a40c2343 419 putc((int)*bufptr++);
jksoft 0:3c24a40c2343 420 }
jksoft 0:3c24a40c2343 421 return len;
jksoft 0:3c24a40c2343 422 }
jksoft 0:3c24a40c2343 423
jksoft 0:3c24a40c2343 424 bool ESP8266::sendCommand(const char * cmd, const char * ACK, char * res, int timeout)
jksoft 0:3c24a40c2343 425 {
jksoft 0:3c24a40c2343 426 char read;
jksoft 0:3c24a40c2343 427 char checking[512] = "";
jksoft 0:3c24a40c2343 428 int checking_size = 0;
jksoft 0:3c24a40c2343 429 int fond = -1;
jksoft 0:3c24a40c2343 430 Timer tmr;
jksoft 0:3c24a40c2343 431 int result = 0;
jksoft 0:3c24a40c2343 432
jksoft 0:3c24a40c2343 433 DBG("sendCmd:\t %s",cmd);
jksoft 0:3c24a40c2343 434
jksoft 0:3c24a40c2343 435 attach_rx(true);
jksoft 0:3c24a40c2343 436
jksoft 0:3c24a40c2343 437 //We flush the buffer
jksoft 0:3c24a40c2343 438 while (readable())
jksoft 0:3c24a40c2343 439 getc();
jksoft 0:3c24a40c2343 440
jksoft 0:3c24a40c2343 441 if (!ACK || !strcmp(ACK, "NO")) {
jksoft 0:3c24a40c2343 442 for (int i = 0; i < strlen(cmd); i++) {
jksoft 0:3c24a40c2343 443 result = (putc(cmd[i]) == cmd[i]) ? result + 1 : result;
jksoft 0:3c24a40c2343 444 wait(0.005f); // prevents stuck recieve ready (?) need to let echoed character get read first
jksoft 0:3c24a40c2343 445 }
jksoft 0:3c24a40c2343 446 putc(13); //CR
jksoft 0:3c24a40c2343 447 wait(0.005f); // wait for echo
jksoft 0:3c24a40c2343 448 putc(10); //LF
jksoft 0:3c24a40c2343 449
jksoft 0:3c24a40c2343 450 } else {
jksoft 0:3c24a40c2343 451 //We flush the buffer
jksoft 0:3c24a40c2343 452 while (readable())
jksoft 0:3c24a40c2343 453 getc();
jksoft 0:3c24a40c2343 454
jksoft 0:3c24a40c2343 455 tmr.start();
jksoft 0:3c24a40c2343 456 for (int i = 0; i < strlen(cmd); i++) {
jksoft 0:3c24a40c2343 457 result = (putc(cmd[i]) == cmd[i]) ? result + 1 : result;
jksoft 0:3c24a40c2343 458 wait(.005); // wait for echo
jksoft 0:3c24a40c2343 459 }
jksoft 0:3c24a40c2343 460 putc(13); //CR
jksoft 0:3c24a40c2343 461 wait(0.005f); // wait for echo
jksoft 0:3c24a40c2343 462 putc(10); //LF
jksoft 0:3c24a40c2343 463
jksoft 0:3c24a40c2343 464 while (1) {
jksoft 0:3c24a40c2343 465 if (tmr.read_ms() > timeout) {
jksoft 0:3c24a40c2343 466 //We flush the buffer
jksoft 0:3c24a40c2343 467 while (readable())
jksoft 0:3c24a40c2343 468 getc();
jksoft 0:3c24a40c2343 469
jksoft 0:3c24a40c2343 470 DBG("check:\t %s", checking);
jksoft 0:3c24a40c2343 471
jksoft 0:3c24a40c2343 472 attach_rx(true);
jksoft 0:3c24a40c2343 473 return -1;
jksoft 0:3c24a40c2343 474 } else if (readable()) {
jksoft 0:3c24a40c2343 475 read = getc();
jksoft 0:3c24a40c2343 476 //pc.printf("%c",read); //debug echo
jksoft 0:3c24a40c2343 477 if ( read != '\r' && read != '\n') {
jksoft 0:3c24a40c2343 478 checking[checking_size] = read;
jksoft 0:3c24a40c2343 479 checking_size++;
jksoft 0:3c24a40c2343 480 checking[checking_size] = '\0';
jksoft 0:3c24a40c2343 481 fond = strfind(checking,ACK,0);
jksoft 0:3c24a40c2343 482 if (fond != -1) {
jksoft 0:3c24a40c2343 483 wait(0.01f);
jksoft 0:3c24a40c2343 484
jksoft 0:3c24a40c2343 485 //We flush the buffer
jksoft 0:3c24a40c2343 486 while (readable())
jksoft 0:3c24a40c2343 487 read = getc();
jksoft 0:3c24a40c2343 488 //printf("%c",read); //debug echo
jksoft 0:3c24a40c2343 489 break;
jksoft 0:3c24a40c2343 490 }
jksoft 0:3c24a40c2343 491 }
jksoft 0:3c24a40c2343 492 }
jksoft 0:3c24a40c2343 493 }
jksoft 0:3c24a40c2343 494 DBG("check: %s", checking);
jksoft 0:3c24a40c2343 495
jksoft 0:3c24a40c2343 496 attach_rx(true);
jksoft 0:3c24a40c2343 497 return result;
jksoft 0:3c24a40c2343 498 }
jksoft 0:3c24a40c2343 499
jksoft 0:3c24a40c2343 500 //the user wants the result from the command (ACK == NULL, res != NULL)
jksoft 0:3c24a40c2343 501 if (res != NULL) {
jksoft 0:3c24a40c2343 502 int i = 0;
jksoft 0:3c24a40c2343 503 Timer timeout;
jksoft 0:3c24a40c2343 504 timeout.start();
jksoft 0:3c24a40c2343 505 tmr.reset();
jksoft 0:3c24a40c2343 506 while (1) {
jksoft 0:3c24a40c2343 507 if (timeout.read() > 2) {
jksoft 0:3c24a40c2343 508 if (i == 0) {
jksoft 0:3c24a40c2343 509 res = NULL;
jksoft 0:3c24a40c2343 510 break;
jksoft 0:3c24a40c2343 511 }
jksoft 0:3c24a40c2343 512 res[i] = '\0';
jksoft 0:3c24a40c2343 513 DBG("user str 1: %s", res);
jksoft 0:3c24a40c2343 514
jksoft 0:3c24a40c2343 515 break;
jksoft 0:3c24a40c2343 516 } else {
jksoft 0:3c24a40c2343 517 if (tmr.read_ms() > 300) {
jksoft 0:3c24a40c2343 518 res[i] = '\0';
jksoft 0:3c24a40c2343 519 DBG("user str: %s", res);
jksoft 0:3c24a40c2343 520
jksoft 0:3c24a40c2343 521 break;
jksoft 0:3c24a40c2343 522 }
jksoft 0:3c24a40c2343 523 if (readable()) {
jksoft 0:3c24a40c2343 524 tmr.start();
jksoft 0:3c24a40c2343 525 read = getc();
jksoft 0:3c24a40c2343 526
jksoft 0:3c24a40c2343 527 // we drop \r and \n
jksoft 0:3c24a40c2343 528 if ( read != '\r' && read != '\n') {
jksoft 0:3c24a40c2343 529 res[i++] = read;
jksoft 0:3c24a40c2343 530 }
jksoft 0:3c24a40c2343 531 }
jksoft 0:3c24a40c2343 532 }
jksoft 0:3c24a40c2343 533 }
jksoft 0:3c24a40c2343 534 DBG("user str: %s", res);
jksoft 0:3c24a40c2343 535 }
jksoft 0:3c24a40c2343 536
jksoft 0:3c24a40c2343 537 //We flush the buffer
jksoft 0:3c24a40c2343 538 while (readable())
jksoft 0:3c24a40c2343 539 getc();
jksoft 0:3c24a40c2343 540
jksoft 0:3c24a40c2343 541 attach_rx(true);
jksoft 0:3c24a40c2343 542 DBG("result: %d", result)
jksoft 0:3c24a40c2343 543 return result;
jksoft 0:3c24a40c2343 544 }