Regenerating PPM signal based on distances from ultrasonic sensors, ESP8266 for connectin via wifi. Autonomous quadcopter behaviour, autonomou height holding. Flying direction based on front and back ultrasonic sensors.
Dependencies: ConfigFile HCSR04 PID PPM2 mbed-rtos mbed
ESP8266/Server.h@33:a2f9fea05cb9, 2018-02-18 (annotated)
- Committer:
- edy05
- Date:
- Sun Feb 18 17:10:48 2018 +0000
- Branch:
- DistanceRegulation
- Revision:
- 33:a2f9fea05cb9
- Parent:
- 32:c729e6da7f9a
- Child:
- 34:5dca557e982f
stable Rel1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
edy05 | 2:d172c9963f87 | 1 | #include "mbed.h" |
edy05 | 2:d172c9963f87 | 2 | #include "rtos.h" |
edy05 | 9:86a5af9935b1 | 3 | #include "hardware.h" |
edy05 | 2:d172c9963f87 | 4 | |
edy05 | 2:d172c9963f87 | 5 | |
edy05 | 29:c35bcfe62c77 | 6 | RawSerial esp(p13, p14); // tx, rx |
edy05 | 32:c729e6da7f9a | 7 | DigitalOut reset(p11); |
edy05 | 2:d172c9963f87 | 8 | |
edy05 | 2:d172c9963f87 | 9 | // Standard Mbed LED definitions |
edy05 | 2:d172c9963f87 | 10 | DigitalOut led1(LED1); // (PTB18) |
edy05 | 2:d172c9963f87 | 11 | DigitalOut led3(LED3); // (PTD1) |
edy05 | 2:d172c9963f87 | 12 | |
edy05 | 2:d172c9963f87 | 13 | Timer t1; |
edy05 | 2:d172c9963f87 | 14 | Timer t2; |
edy05 | 2:d172c9963f87 | 15 | |
edy05 | 2:d172c9963f87 | 16 | char cmdbuff[32]; |
edy05 | 2:d172c9963f87 | 17 | char replybuff[1024]; |
edy05 | 2:d172c9963f87 | 18 | char webcount[8]; |
edy05 | 2:d172c9963f87 | 19 | char webdata[1024]; // This may need to be bigger depending on WEB browser used |
edy05 | 2:d172c9963f87 | 20 | char webbuff[4096]; // Currently using 1986 characters, Increase this if more web page data added |
edy05 | 2:d172c9963f87 | 21 | char type[16]; |
edy05 | 2:d172c9963f87 | 22 | char channel[2]; |
edy05 | 2:d172c9963f87 | 23 | char ip_address[20]; |
edy05 | 2:d172c9963f87 | 24 | int bufflen, DataRX, count, getcount, replycount, servreq, timeout; |
edy05 | 2:d172c9963f87 | 25 | int bufl, ipdLen, linkID, weberror, webcounter; |
edy05 | 2:d172c9963f87 | 26 | |
edy05 | 2:d172c9963f87 | 27 | void getreply(); void SendCMD(); |
edy05 | 2:d172c9963f87 | 28 | void startserver(); |
edy05 | 2:d172c9963f87 | 29 | void ReadWebData(); |
edy05 | 2:d172c9963f87 | 30 | void sendpage(); |
edy05 | 2:d172c9963f87 | 31 | void sendcheck(); |
edy05 | 2:d172c9963f87 | 32 | void get_ip_address(char web_data[1024]); |
edy05 | 2:d172c9963f87 | 33 | void SendWEB(); |
edy05 | 2:d172c9963f87 | 34 | |
edy05 | 2:d172c9963f87 | 35 | void serverRun(); |
edy05 | 2:d172c9963f87 | 36 | void serverMain(); |
edy05 | 2:d172c9963f87 | 37 | void serverLoop(); |
edy05 | 2:d172c9963f87 | 38 | void callback(); |
edy05 | 2:d172c9963f87 | 39 | |
edy05 | 33:a2f9fea05cb9 | 40 | int port = 80; // set server port |
edy05 | 33:a2f9fea05cb9 | 41 | int SERVtimeout = 8; // set server timeout in seconds in case link breaks. |
edy05 | 2:d172c9963f87 | 42 | |
edy05 | 9:86a5af9935b1 | 43 | |
edy05 | 2:d172c9963f87 | 44 | |
edy05 | 2:d172c9963f87 | 45 | //serverThread.start(serverRun); |
edy05 | 2:d172c9963f87 | 46 | |
edy05 | 2:d172c9963f87 | 47 | void callback(){ |
edy05 | 2:d172c9963f87 | 48 | //pc.printf("callback!!!!!!!!!!!!!!!!_________________________\n\r"); |
edy05 | 2:d172c9963f87 | 49 | led3 = 1; |
edy05 | 2:d172c9963f87 | 50 | while (esp.readable()) { |
edy05 | 2:d172c9963f87 | 51 | webbuff[count] = esp.getc(); |
edy05 | 2:d172c9963f87 | 52 | count++; |
edy05 | 2:d172c9963f87 | 53 | } |
edy05 | 2:d172c9963f87 | 54 | if(strlen(webbuff)>bufflen) { |
edy05 | 2:d172c9963f87 | 55 | DataRX=1; |
edy05 | 2:d172c9963f87 | 56 | led3=0; |
edy05 | 2:d172c9963f87 | 57 | } |
edy05 | 2:d172c9963f87 | 58 | } |
edy05 | 2:d172c9963f87 | 59 | |
edy05 | 2:d172c9963f87 | 60 | |
edy05 | 2:d172c9963f87 | 61 | void serverRun(){ |
edy05 | 2:d172c9963f87 | 62 | reset=0; |
edy05 | 25:69190c222dbf | 63 | |
edy05 | 2:d172c9963f87 | 64 | pc.printf("\f\n\r------------ ESP8266 Hardware Reset --------------\n\r"); |
edy05 | 27:5956d5e3ff63 | 65 | //wait(0.5); |
edy05 | 2:d172c9963f87 | 66 | reset=1; |
edy05 | 2:d172c9963f87 | 67 | timeout=6000; |
edy05 | 2:d172c9963f87 | 68 | getcount=500; |
edy05 | 2:d172c9963f87 | 69 | getreply(); |
edy05 | 2:d172c9963f87 | 70 | esp.baud(115200); // ESP8266 baudrate. Maximum on KLxx' is 115200, 230400 works on K20 and K22F |
edy05 | 2:d172c9963f87 | 71 | startserver(); |
edy05 | 26:11539036f0fb | 72 | webcounter = 0; |
edy05 | 31:5f1737e480f3 | 73 | Timer timer; |
edy05 | 2:d172c9963f87 | 74 | while(1){ |
edy05 | 2:d172c9963f87 | 75 | if(DataRX==1) { |
edy05 | 31:5f1737e480f3 | 76 | timer.reset(); |
edy05 | 31:5f1737e480f3 | 77 | timer.start(); |
edy05 | 2:d172c9963f87 | 78 | ReadWebData(); |
edy05 | 11:002927b2675d | 79 | // Save data to configFile |
edy05 | 31:5f1737e480f3 | 80 | //writeSettingsToConfig(); |
edy05 | 32:c729e6da7f9a | 81 | if (servreq == 1 && weberror == 0) { |
edy05 | 32:c729e6da7f9a | 82 | pc.printf("Send page \n\r"); |
edy05 | 10:bb9c778f8e3e | 83 | // send HTTP Response |
edy05 | 2:d172c9963f87 | 84 | sendpage(); |
edy05 | 31:5f1737e480f3 | 85 | |
edy05 | 2:d172c9963f87 | 86 | } |
edy05 | 32:c729e6da7f9a | 87 | else{ |
edy05 | 32:c729e6da7f9a | 88 | pc.printf("Page was not sent \n\r"); |
edy05 | 32:c729e6da7f9a | 89 | } |
edy05 | 2:d172c9963f87 | 90 | esp.attach(&callback); |
edy05 | 2:d172c9963f87 | 91 | pc.printf(" IPD Data:\r\n\n Link ID = %d,\r\n IPD Header Length = %d \r\n IPD Type = %s\r\n", linkID, ipdLen, type); |
edy05 | 31:5f1737e480f3 | 92 | pc.printf("HTTP Packet: \n\n%s", webdata); |
edy05 | 31:5f1737e480f3 | 93 | pc.printf("Web Characters sent : %d\n\n", bufl); |
edy05 | 31:5f1737e480f3 | 94 | pc.printf("-------------------------------------\n\n"); |
edy05 | 2:d172c9963f87 | 95 | servreq=0; |
edy05 | 15:9cdf757269fb | 96 | memset(_serverMessage, '\0', sizeof(_serverMessage)); |
edy05 | 2:d172c9963f87 | 97 | } |
edy05 | 31:5f1737e480f3 | 98 | if(timer.read_ms() > 1500){ |
edy05 | 31:5f1737e480f3 | 99 | pc.printf("starting reading new configuration in server task\n\r"); |
edy05 | 31:5f1737e480f3 | 100 | // when stop sending answers |
edy05 | 31:5f1737e480f3 | 101 | timer.stop(); |
edy05 | 31:5f1737e480f3 | 102 | timer.reset(); |
edy05 | 32:c729e6da7f9a | 103 | if(_newP == _P && _newI == _I && _newD == _D){ |
edy05 | 31:5f1737e480f3 | 104 | _onlyDistanChanged = true; |
edy05 | 31:5f1737e480f3 | 105 | } |
edy05 | 32:c729e6da7f9a | 106 | _P = _newP; |
edy05 | 32:c729e6da7f9a | 107 | _I = _newI; |
edy05 | 32:c729e6da7f9a | 108 | _D = _newD; |
edy05 | 31:5f1737e480f3 | 109 | // Save data to configFile |
edy05 | 31:5f1737e480f3 | 110 | writeSettingsToConfig(); |
edy05 | 31:5f1737e480f3 | 111 | // notification that config of pid was changed |
edy05 | 31:5f1737e480f3 | 112 | _configChanges = true; |
edy05 | 31:5f1737e480f3 | 113 | // start or stop ground regulation |
edy05 | 31:5f1737e480f3 | 114 | //_groundRegulation = _tempGroundRegulation; |
edy05 | 31:5f1737e480f3 | 115 | if(_groundRegulation != _tempGroundRegulation){ |
edy05 | 31:5f1737e480f3 | 116 | _groundRegulation = _tempGroundRegulation; |
edy05 | 31:5f1737e480f3 | 117 | _groundDistance->resetError(); |
edy05 | 31:5f1737e480f3 | 118 | } |
edy05 | 31:5f1737e480f3 | 119 | |
edy05 | 31:5f1737e480f3 | 120 | } |
edy05 | 31:5f1737e480f3 | 121 | |
edy05 | 31:5f1737e480f3 | 122 | //Thread::wait(10); |
edy05 | 2:d172c9963f87 | 123 | } |
edy05 | 2:d172c9963f87 | 124 | } |
edy05 | 2:d172c9963f87 | 125 | |
edy05 | 2:d172c9963f87 | 126 | |
edy05 | 2:d172c9963f87 | 127 | // Static WEB page |
edy05 | 2:d172c9963f87 | 128 | void sendpage(){ |
edy05 | 2:d172c9963f87 | 129 | strcpy(webbuff, "<!DOCTYPE html>"); |
edy05 | 2:d172c9963f87 | 130 | strcat(webbuff, "<html><head><title>ESP8266 Mbed LPC1768</title></head>"); |
edy05 | 2:d172c9963f87 | 131 | strcat(webbuff, "<body>"); |
edy05 | 2:d172c9963f87 | 132 | strcat(webbuff, "<div style=\"text-align:center; background-color:#F4F4F4; color:#00AEDB;\"><h1>ESP8266 Mbed IoT Web PID Controller</h1>"); |
edy05 | 2:d172c9963f87 | 133 | strcat(webbuff, "Hit Count - "); |
edy05 | 2:d172c9963f87 | 134 | strcat(webbuff, webcount); |
edy05 | 2:d172c9963f87 | 135 | strcat(webbuff, "</div><br /><hr>"); |
edy05 | 15:9cdf757269fb | 136 | //server message (mostly errors) |
edy05 | 15:9cdf757269fb | 137 | strcat(webbuff, "<div stye=\"text-align:center; background-color:#F4F4F4; color:#00AEDB;\"><h3>Server messages</h3>"); |
edy05 | 15:9cdf757269fb | 138 | strcat(webbuff, _serverMessage); |
edy05 | 15:9cdf757269fb | 139 | strcat(webbuff, "</div><br><hr>"); |
edy05 | 2:d172c9963f87 | 140 | strcat(webbuff, "<p><form method=\"POST\">"); |
edy05 | 2:d172c9963f87 | 141 | if(led1==0) { |
edy05 | 2:d172c9963f87 | 142 | strcat(webbuff, "<p><input type=\"radio\" name=\"led1\" value=\"0\" checked> LED 1 off"); |
edy05 | 2:d172c9963f87 | 143 | strcat(webbuff, "<br><input type=\"radio\" name=\"led1\" value=\"1\" > LED 1 on<br>"); |
edy05 | 2:d172c9963f87 | 144 | } else { |
edy05 | 2:d172c9963f87 | 145 | strcat(webbuff, "<p><input type=\"radio\" name=\"led1\" value=\"0\" > LED 1 off"); |
edy05 | 2:d172c9963f87 | 146 | strcat(webbuff, "<br><input type=\"radio\" name=\"led1\" value=\"1\" checked> LED 1 on<br>"); |
edy05 | 2:d172c9963f87 | 147 | } |
edy05 | 21:0afb91824792 | 148 | // ground regulation |
edy05 | 31:5f1737e480f3 | 149 | if(_tempGroundRegulation) { |
edy05 | 21:0afb91824792 | 150 | strcat(webbuff, "<p><input type=\"radio\" name=\"groundRegulation\" value=\"1\" checked> Ground regulation ON"); |
edy05 | 21:0afb91824792 | 151 | strcat(webbuff, "<br><input type=\"radio\" name=\"groundRegulation\" value=\"0\" > Ground regulation OFF<br>"); |
edy05 | 21:0afb91824792 | 152 | } else { |
edy05 | 21:0afb91824792 | 153 | strcat(webbuff, "<p><input type=\"radio\" name=\"groundRegulation\" value=\"1\" > Ground regulation ON"); |
edy05 | 25:69190c222dbf | 154 | strcat(webbuff, "<br><input type=\"radio\" name=\"groundRegulation\" value=\"0\" checked> Ground regulation OFF<br>"); |
edy05 | 21:0afb91824792 | 155 | } |
edy05 | 25:69190c222dbf | 156 | // pid ground min output |
edy05 | 25:69190c222dbf | 157 | strcat(webbuff, "pid min Output: <input type=\"text\" name=\"groundPidMinOutput\" size=6 value=\""); |
edy05 | 25:69190c222dbf | 158 | ConvertToCharArray(_groundPidMinOutput); |
edy05 | 25:69190c222dbf | 159 | strcat(webbuff, _str); |
edy05 | 25:69190c222dbf | 160 | strcat(webbuff, "\"><br>"); |
edy05 | 25:69190c222dbf | 161 | //pid ground max output |
edy05 | 25:69190c222dbf | 162 | strcat(webbuff, "pid max Output: <input type=\"text\" name=\"groundPidMaxOutput\" size=6 value=\""); |
edy05 | 25:69190c222dbf | 163 | ConvertToCharArray(_groundPidMaxOutput); |
edy05 | 25:69190c222dbf | 164 | strcat(webbuff, _str); |
edy05 | 25:69190c222dbf | 165 | strcat(webbuff, "\"><br>"); |
edy05 | 25:69190c222dbf | 166 | //ground regulation bias |
edy05 | 25:69190c222dbf | 167 | strcat(webbuff, "Bias: <input type=\"text\" name=\"bias\" size=6 value=\""); |
edy05 | 25:69190c222dbf | 168 | ConvertToCharArray(_bias); |
edy05 | 25:69190c222dbf | 169 | strcat(webbuff, _str); |
edy05 | 25:69190c222dbf | 170 | strcat(webbuff, "\"><br>"); |
edy05 | 2:d172c9963f87 | 171 | strcat(webbuff, "P: <input type=\"text\" name=\"proportional\" size=6 value=\""); |
edy05 | 32:c729e6da7f9a | 172 | ConvertToCharArray(_newP); |
edy05 | 9:86a5af9935b1 | 173 | strcat(webbuff, _str); |
edy05 | 2:d172c9963f87 | 174 | strcat(webbuff, "\"><br>"); |
edy05 | 2:d172c9963f87 | 175 | strcat(webbuff, "I: <input type=\"text\" name=\"integral\" size=6 value=\""); |
edy05 | 32:c729e6da7f9a | 176 | ConvertToCharArray(_newI); |
edy05 | 9:86a5af9935b1 | 177 | strcat(webbuff, _str); |
edy05 | 2:d172c9963f87 | 178 | strcat(webbuff, "\"><br>"); |
edy05 | 2:d172c9963f87 | 179 | strcat(webbuff, "D: <input type=\"text\" name=\"derivative\" size=6 value=\""); |
edy05 | 32:c729e6da7f9a | 180 | ConvertToCharArray(_newD); |
edy05 | 9:86a5af9935b1 | 181 | strcat(webbuff, _str); |
edy05 | 2:d172c9963f87 | 182 | strcat(webbuff, "\"><br>"); |
edy05 | 14:076ef843e1ba | 183 | //Ground set Point |
edy05 | 14:076ef843e1ba | 184 | strcat(webbuff, "Ground setPoint: <input type=\"text\" name=\"groundSetPoint\" size=6 value=\""); |
edy05 | 14:076ef843e1ba | 185 | ConvertToCharArray(_groundSetPoint); |
edy05 | 14:076ef843e1ba | 186 | strcat(webbuff, _str); |
edy05 | 14:076ef843e1ba | 187 | strcat(webbuff, "\"><br>"); |
edy05 | 2:d172c9963f87 | 188 | strcat(webbuff, "<p><input type=\"radio\" name=\"nothing\" value=\"1\" checked>"); |
edy05 | 2:d172c9963f87 | 189 | strcat(webbuff, "<p><input type=\"submit\" value=\"send-refresh\" style=\"background: #3498db;"); |
edy05 | 2:d172c9963f87 | 190 | strcat(webbuff, "background-image:-webkit-linear-gradient(top, #3498db, #2980b9);"); |
edy05 | 2:d172c9963f87 | 191 | strcat(webbuff, "background-image:linear-gradient(to bottom, #3498db, #2980b9);"); |
edy05 | 2:d172c9963f87 | 192 | strcat(webbuff, "-webkit-border-radius:12;border-radius: 12px;font-family: Arial;color:#ffffff;font-size:20px;padding:"); |
edy05 | 2:d172c9963f87 | 193 | strcat(webbuff, "10px 20px 10px 20px; border:solid #103c57 3px;text-decoration: none;"); |
edy05 | 2:d172c9963f87 | 194 | strcat(webbuff, "background: #3cb0fd;"); |
edy05 | 2:d172c9963f87 | 195 | strcat(webbuff, "background-image:-webkit-linear-gradient(top,#3cb0fd,#1a5f8a);"); |
edy05 | 2:d172c9963f87 | 196 | strcat(webbuff, "background-image:linear-gradient(to bottom,#3cb0fd,#1a5f8a);"); |
edy05 | 2:d172c9963f87 | 197 | strcat(webbuff, "text-decoration:none;\"></form>"); |
edy05 | 2:d172c9963f87 | 198 | strcat(webbuff, "</body></html>"); |
edy05 | 2:d172c9963f87 | 199 | // end of WEB page data |
edy05 | 2:d172c9963f87 | 200 | bufl = strlen(webbuff); // get total page buffer length |
edy05 | 2:d172c9963f87 | 201 | sprintf(cmdbuff,"AT+CIPSEND=%d,%d\r\n", linkID, bufl); // send IPD link channel and buffer character length. |
edy05 | 2:d172c9963f87 | 202 | timeout=200; |
edy05 | 2:d172c9963f87 | 203 | getcount=7; |
edy05 | 2:d172c9963f87 | 204 | SendCMD(); |
edy05 | 2:d172c9963f87 | 205 | getreply(); |
edy05 | 2:d172c9963f87 | 206 | SendWEB(); // send web page |
edy05 | 2:d172c9963f87 | 207 | memset(webbuff, '\0', sizeof(webbuff)); |
edy05 | 2:d172c9963f87 | 208 | sendcheck(); |
edy05 | 2:d172c9963f87 | 209 | |
edy05 | 2:d172c9963f87 | 210 | } |
edy05 | 2:d172c9963f87 | 211 | |
edy05 | 2:d172c9963f87 | 212 | void sendcheck(){ |
edy05 | 2:d172c9963f87 | 213 | weberror=1; |
edy05 | 33:a2f9fea05cb9 | 214 | timeout= 1000; |
edy05 | 33:a2f9fea05cb9 | 215 | getcount = 50; |
edy05 | 2:d172c9963f87 | 216 | t2.reset(); |
edy05 | 2:d172c9963f87 | 217 | t2.start(); |
edy05 | 2:d172c9963f87 | 218 | while(weberror==1 && t2.read() <5) { |
edy05 | 2:d172c9963f87 | 219 | getreply(); |
edy05 | 2:d172c9963f87 | 220 | if (strstr(replybuff, "SEND OK") != NULL) { |
edy05 | 2:d172c9963f87 | 221 | weberror=0; // wait for valid SEND OK |
edy05 | 2:d172c9963f87 | 222 | } |
edy05 | 2:d172c9963f87 | 223 | } |
edy05 | 2:d172c9963f87 | 224 | if(weberror==1) { // restart connection |
edy05 | 32:c729e6da7f9a | 225 | pc.printf("sendcheck - restarting connection \n\r"); |
edy05 | 2:d172c9963f87 | 226 | strcpy(cmdbuff, "AT+CIPMUX=1\r\n"); |
edy05 | 2:d172c9963f87 | 227 | timeout=500; |
edy05 | 2:d172c9963f87 | 228 | getcount=10; |
edy05 | 2:d172c9963f87 | 229 | SendCMD(); |
edy05 | 2:d172c9963f87 | 230 | getreply(); |
edy05 | 2:d172c9963f87 | 231 | pc.printf(replybuff); |
edy05 | 33:a2f9fea05cb9 | 232 | sprintf(cmdbuff,"AT+CIPSERVER=0,%d\r\n", port); |
edy05 | 33:a2f9fea05cb9 | 233 | timeout=500; |
edy05 | 33:a2f9fea05cb9 | 234 | getcount=10; |
edy05 | 33:a2f9fea05cb9 | 235 | SendCMD(); |
edy05 | 33:a2f9fea05cb9 | 236 | getreply(); |
edy05 | 33:a2f9fea05cb9 | 237 | pc.printf(replybuff); |
edy05 | 2:d172c9963f87 | 238 | sprintf(cmdbuff,"AT+CIPSERVER=1,%d\r\n", port); |
edy05 | 2:d172c9963f87 | 239 | timeout=500; |
edy05 | 2:d172c9963f87 | 240 | getcount=10; |
edy05 | 2:d172c9963f87 | 241 | SendCMD(); |
edy05 | 2:d172c9963f87 | 242 | getreply(); |
edy05 | 2:d172c9963f87 | 243 | pc.printf(replybuff); |
edy05 | 2:d172c9963f87 | 244 | } else { |
edy05 | 32:c729e6da7f9a | 245 | pc.printf("sendcheck ok \n\r"); |
edy05 | 2:d172c9963f87 | 246 | sprintf(cmdbuff, "AT+CIPCLOSE=%s\r\n",channel); // close current connection |
edy05 | 2:d172c9963f87 | 247 | SendCMD(); |
edy05 | 2:d172c9963f87 | 248 | getreply(); |
edy05 | 2:d172c9963f87 | 249 | pc.printf(replybuff); |
edy05 | 2:d172c9963f87 | 250 | } |
edy05 | 2:d172c9963f87 | 251 | t2.reset(); |
edy05 | 2:d172c9963f87 | 252 | } |
edy05 | 2:d172c9963f87 | 253 | |
edy05 | 2:d172c9963f87 | 254 | // Large WEB buffer data send |
edy05 | 2:d172c9963f87 | 255 | void SendWEB() |
edy05 | 2:d172c9963f87 | 256 | { |
edy05 | 2:d172c9963f87 | 257 | int i=0; |
edy05 | 2:d172c9963f87 | 258 | if(esp.writeable()) { |
edy05 | 2:d172c9963f87 | 259 | while(webbuff[i]!='\0') { |
edy05 | 2:d172c9963f87 | 260 | esp.putc(webbuff[i]); |
edy05 | 2:d172c9963f87 | 261 | i++; |
edy05 | 2:d172c9963f87 | 262 | } |
edy05 | 2:d172c9963f87 | 263 | } |
edy05 | 2:d172c9963f87 | 264 | } |
edy05 | 2:d172c9963f87 | 265 | |
edy05 | 2:d172c9963f87 | 266 | // Reads and processes GET and POST web data |
edy05 | 2:d172c9963f87 | 267 | void ReadWebData(){ |
edy05 | 2:d172c9963f87 | 268 | wait_ms(200); |
edy05 | 2:d172c9963f87 | 269 | esp.attach(NULL); |
edy05 | 2:d172c9963f87 | 270 | count=0; |
edy05 | 2:d172c9963f87 | 271 | DataRX=0; |
edy05 | 2:d172c9963f87 | 272 | weberror=0; |
edy05 | 2:d172c9963f87 | 273 | memset(webdata, '\0', sizeof(webdata)); |
edy05 | 2:d172c9963f87 | 274 | int x = strcspn (webbuff,"+"); |
edy05 | 2:d172c9963f87 | 275 | if(x) { |
edy05 | 2:d172c9963f87 | 276 | strcpy(webdata, webbuff + x); |
edy05 | 27:5956d5e3ff63 | 277 | //pc.printf("webdata received: %s", webdata); |
edy05 | 2:d172c9963f87 | 278 | weberror=0; |
edy05 | 2:d172c9963f87 | 279 | int numMatched = sscanf(webdata,"+IPD,%d,%d:%s", &linkID, &ipdLen, type); |
edy05 | 2:d172c9963f87 | 280 | if (strstr(webdata, "led1=1") != NULL ) { |
edy05 | 2:d172c9963f87 | 281 | led1=1; |
edy05 | 2:d172c9963f87 | 282 | } |
edy05 | 2:d172c9963f87 | 283 | if (strstr(webdata, "led1=0") != NULL ) { |
edy05 | 2:d172c9963f87 | 284 | led1=0; |
edy05 | 2:d172c9963f87 | 285 | } |
edy05 | 21:0afb91824792 | 286 | //ground regulation |
edy05 | 21:0afb91824792 | 287 | if (strstr(webdata, "groundRegulation=1") != NULL ) |
edy05 | 31:5f1737e480f3 | 288 | _tempGroundRegulation = true; |
edy05 | 21:0afb91824792 | 289 | if (strstr(webdata, "groundRegulation=0") != NULL ) |
edy05 | 31:5f1737e480f3 | 290 | _tempGroundRegulation = false; |
edy05 | 25:69190c222dbf | 291 | // pid min Output |
edy05 | 25:69190c222dbf | 292 | if (strstr(webdata, "groundPidMinOutput") != NULL ){ |
edy05 | 27:5956d5e3ff63 | 293 | //pc.printf("\n\r looking for data \n\r"); |
edy05 | 25:69190c222dbf | 294 | char* p_webdata = strstr(webdata, "groundPidMinOutput"); |
edy05 | 25:69190c222dbf | 295 | p_webdata = p_webdata + strlen("groundPidMinOutput") + 1; |
edy05 | 25:69190c222dbf | 296 | int i = 0; |
edy05 | 25:69190c222dbf | 297 | while(*p_webdata != '&'){ |
edy05 | 25:69190c222dbf | 298 | pc.printf("%c", *p_webdata); |
edy05 | 25:69190c222dbf | 299 | _str[i] = *p_webdata; |
edy05 | 25:69190c222dbf | 300 | p_webdata += 1; |
edy05 | 25:69190c222dbf | 301 | i++; |
edy05 | 25:69190c222dbf | 302 | } |
edy05 | 25:69190c222dbf | 303 | pc.printf("\n\r"); |
edy05 | 25:69190c222dbf | 304 | _str[i] = '\0'; |
edy05 | 27:5956d5e3ff63 | 305 | //pc.printf("groundPidMinOutput: %s", _str); |
edy05 | 25:69190c222dbf | 306 | _groundPidMinOutput = atof(_str); |
edy05 | 27:5956d5e3ff63 | 307 | //pc.printf("\n\r end of looking for data \n\r"); |
edy05 | 25:69190c222dbf | 308 | } |
edy05 | 25:69190c222dbf | 309 | //pid max output |
edy05 | 25:69190c222dbf | 310 | if (strstr(webdata, "groundPidMaxOutput") != NULL ){ |
edy05 | 27:5956d5e3ff63 | 311 | //pc.printf("\n\r looking for data \n\r"); |
edy05 | 25:69190c222dbf | 312 | char* p_webdata = strstr(webdata, "groundPidMaxOutput"); |
edy05 | 25:69190c222dbf | 313 | p_webdata = p_webdata + strlen("groundPidMaxOutput") + 1; |
edy05 | 25:69190c222dbf | 314 | int i = 0; |
edy05 | 25:69190c222dbf | 315 | while(*p_webdata != '&'){ |
edy05 | 25:69190c222dbf | 316 | pc.printf("%c", *p_webdata); |
edy05 | 25:69190c222dbf | 317 | _str[i] = *p_webdata; |
edy05 | 25:69190c222dbf | 318 | p_webdata += 1; |
edy05 | 25:69190c222dbf | 319 | i++; |
edy05 | 25:69190c222dbf | 320 | } |
edy05 | 27:5956d5e3ff63 | 321 | //pc.printf("\n\r"); |
edy05 | 25:69190c222dbf | 322 | _str[i] = '\0'; |
edy05 | 27:5956d5e3ff63 | 323 | //pc.printf("groundPidMaxOutput: %s", _str); |
edy05 | 25:69190c222dbf | 324 | _groundPidMaxOutput = atof(_str); |
edy05 | 27:5956d5e3ff63 | 325 | //pc.printf("\n\r end of looking for data \n\r"); |
edy05 | 25:69190c222dbf | 326 | } |
edy05 | 25:69190c222dbf | 327 | //bias |
edy05 | 25:69190c222dbf | 328 | if (strstr(webdata, "bias") != NULL ){ |
edy05 | 27:5956d5e3ff63 | 329 | //pc.printf("\n\r looking for data \n\r"); |
edy05 | 25:69190c222dbf | 330 | char* p_webdata = strstr(webdata, "bias"); |
edy05 | 25:69190c222dbf | 331 | p_webdata = p_webdata + strlen("bias") + 1; |
edy05 | 25:69190c222dbf | 332 | int i = 0; |
edy05 | 25:69190c222dbf | 333 | while(*p_webdata != '&'){ |
edy05 | 25:69190c222dbf | 334 | pc.printf("%c", *p_webdata); |
edy05 | 25:69190c222dbf | 335 | _str[i] = *p_webdata; |
edy05 | 25:69190c222dbf | 336 | p_webdata += 1; |
edy05 | 25:69190c222dbf | 337 | i++; |
edy05 | 25:69190c222dbf | 338 | } |
edy05 | 27:5956d5e3ff63 | 339 | //pc.printf("\n\r"); |
edy05 | 25:69190c222dbf | 340 | _str[i] = '\0'; |
edy05 | 27:5956d5e3ff63 | 341 | //pc.printf("bias: %s", _str); |
edy05 | 25:69190c222dbf | 342 | _bias = atof(_str); |
edy05 | 27:5956d5e3ff63 | 343 | //pc.printf("\n\r end of looking for data \n\r"); |
edy05 | 25:69190c222dbf | 344 | } |
edy05 | 21:0afb91824792 | 345 | // PID values |
edy05 | 2:d172c9963f87 | 346 | if (strstr(webdata, "proportional") != NULL ){ |
edy05 | 27:5956d5e3ff63 | 347 | //pc.printf("\n\r looking for data \n\r"); |
edy05 | 2:d172c9963f87 | 348 | char* p_webdata = strstr(webdata, "proportional"); |
edy05 | 2:d172c9963f87 | 349 | p_webdata = p_webdata + strlen("proportional") + 1; |
edy05 | 2:d172c9963f87 | 350 | int i = 0; |
edy05 | 2:d172c9963f87 | 351 | while(*p_webdata != '&'){ |
edy05 | 2:d172c9963f87 | 352 | pc.printf("%c", *p_webdata); |
edy05 | 9:86a5af9935b1 | 353 | _str[i] = *p_webdata; |
edy05 | 2:d172c9963f87 | 354 | p_webdata += 1; |
edy05 | 2:d172c9963f87 | 355 | i++; |
edy05 | 2:d172c9963f87 | 356 | } |
edy05 | 27:5956d5e3ff63 | 357 | //pc.printf("\n\r"); |
edy05 | 9:86a5af9935b1 | 358 | _str[i] = '\0'; |
edy05 | 27:5956d5e3ff63 | 359 | //pc.printf("proportional: %s", _str); |
edy05 | 32:c729e6da7f9a | 360 | _newP = atof(_str); |
edy05 | 27:5956d5e3ff63 | 361 | //pc.printf("\n\r end of looking for data \n\r"); |
edy05 | 2:d172c9963f87 | 362 | } |
edy05 | 2:d172c9963f87 | 363 | if (strstr(webdata, "integral") != NULL){ |
edy05 | 27:5956d5e3ff63 | 364 | //pc.printf("\n\r looking for data \n\r"); |
edy05 | 2:d172c9963f87 | 365 | char* p_webdata = strstr(webdata, "integral"); |
edy05 | 2:d172c9963f87 | 366 | p_webdata = p_webdata + strlen("integral") + 1; |
edy05 | 2:d172c9963f87 | 367 | int i = 0; |
edy05 | 2:d172c9963f87 | 368 | while(*p_webdata != '&'){ |
edy05 | 2:d172c9963f87 | 369 | pc.printf("%c", *p_webdata); |
edy05 | 9:86a5af9935b1 | 370 | _str[i] = *p_webdata; |
edy05 | 2:d172c9963f87 | 371 | p_webdata += 1; |
edy05 | 2:d172c9963f87 | 372 | i++; |
edy05 | 2:d172c9963f87 | 373 | } |
edy05 | 27:5956d5e3ff63 | 374 | //pc.printf("\n\r"); |
edy05 | 9:86a5af9935b1 | 375 | _str[i] = '\0'; |
edy05 | 27:5956d5e3ff63 | 376 | //pc.printf("integral: %s", _str); |
edy05 | 32:c729e6da7f9a | 377 | _newI = atof(_str); |
edy05 | 27:5956d5e3ff63 | 378 | //pc.printf("\n\r end of looking for data \n\r"); |
edy05 | 2:d172c9963f87 | 379 | |
edy05 | 2:d172c9963f87 | 380 | } |
edy05 | 2:d172c9963f87 | 381 | if (strstr(webdata, "derivative") != NULL){ |
edy05 | 27:5956d5e3ff63 | 382 | //pc.printf("\n\r looking for data \n\r"); |
edy05 | 2:d172c9963f87 | 383 | char* p_webdata = strstr(webdata, "derivative"); |
edy05 | 2:d172c9963f87 | 384 | p_webdata = p_webdata + strlen("derivative") + 1; |
edy05 | 2:d172c9963f87 | 385 | int i = 0; |
edy05 | 2:d172c9963f87 | 386 | while(*p_webdata != '&'){ |
edy05 | 2:d172c9963f87 | 387 | pc.printf("%c", *p_webdata); |
edy05 | 9:86a5af9935b1 | 388 | _str[i] = *p_webdata; |
edy05 | 2:d172c9963f87 | 389 | p_webdata += 1; |
edy05 | 2:d172c9963f87 | 390 | i++; |
edy05 | 2:d172c9963f87 | 391 | } |
edy05 | 27:5956d5e3ff63 | 392 | //pc.printf("\n\r"); |
edy05 | 9:86a5af9935b1 | 393 | _str[i] = '\0'; |
edy05 | 27:5956d5e3ff63 | 394 | //pc.printf("derivative: %s", _str); |
edy05 | 32:c729e6da7f9a | 395 | _newD = atof(_str); |
edy05 | 27:5956d5e3ff63 | 396 | //pc.printf("\n\r end of looking for data \n\r"); |
edy05 | 2:d172c9963f87 | 397 | } |
edy05 | 14:076ef843e1ba | 398 | if (strstr(webdata, "groundSetPoint") != NULL){ |
edy05 | 27:5956d5e3ff63 | 399 | //pc.printf("\n\r looking for data \n\r"); |
edy05 | 14:076ef843e1ba | 400 | char* p_webdata = strstr(webdata, "groundSetPoint"); |
edy05 | 14:076ef843e1ba | 401 | p_webdata = p_webdata + strlen("groundSetPoint") + 1; |
edy05 | 14:076ef843e1ba | 402 | int i = 0; |
edy05 | 14:076ef843e1ba | 403 | while(*p_webdata != '&'){ |
edy05 | 14:076ef843e1ba | 404 | pc.printf("%c", *p_webdata); |
edy05 | 14:076ef843e1ba | 405 | _str[i] = *p_webdata; |
edy05 | 14:076ef843e1ba | 406 | p_webdata += 1; |
edy05 | 14:076ef843e1ba | 407 | i++; |
edy05 | 14:076ef843e1ba | 408 | } |
edy05 | 27:5956d5e3ff63 | 409 | //pc.printf("\n\r"); |
edy05 | 14:076ef843e1ba | 410 | _str[i] = '\0'; |
edy05 | 27:5956d5e3ff63 | 411 | //pc.printf("groundSetPoint: %s", _str); |
edy05 | 14:076ef843e1ba | 412 | _groundSetPoint = atof(_str); |
edy05 | 27:5956d5e3ff63 | 413 | //pc.printf("\n\r end of looking for data \n\r"); |
edy05 | 14:076ef843e1ba | 414 | } |
edy05 | 2:d172c9963f87 | 415 | sprintf(channel, "%d",linkID); |
edy05 | 2:d172c9963f87 | 416 | if (strstr(webdata, "GET") != NULL) { |
edy05 | 2:d172c9963f87 | 417 | servreq=1; |
edy05 | 2:d172c9963f87 | 418 | } |
edy05 | 2:d172c9963f87 | 419 | if (strstr(webdata, "POST") != NULL) { |
edy05 | 2:d172c9963f87 | 420 | servreq=1; |
edy05 | 2:d172c9963f87 | 421 | } |
edy05 | 2:d172c9963f87 | 422 | webcounter++; |
edy05 | 2:d172c9963f87 | 423 | sprintf(webcount, "%d",webcounter); |
edy05 | 2:d172c9963f87 | 424 | }else{ |
edy05 | 2:d172c9963f87 | 425 | memset(webbuff, '\0', sizeof(webbuff)); |
edy05 | 2:d172c9963f87 | 426 | esp.attach(&callback); |
edy05 | 2:d172c9963f87 | 427 | weberror=1; |
edy05 | 2:d172c9963f87 | 428 | } |
edy05 | 2:d172c9963f87 | 429 | |
edy05 | 2:d172c9963f87 | 430 | } |
edy05 | 2:d172c9963f87 | 431 | |
edy05 | 2:d172c9963f87 | 432 | void startserver(){ |
edy05 | 2:d172c9963f87 | 433 | pc.printf("++++++++++ Resetting ESP ++++++++++\r\n"); |
edy05 | 2:d172c9963f87 | 434 | strcpy(cmdbuff,"AT+RST\r\n"); |
edy05 | 2:d172c9963f87 | 435 | timeout=8000; |
edy05 | 2:d172c9963f87 | 436 | getcount=1000; |
edy05 | 2:d172c9963f87 | 437 | SendCMD(); |
edy05 | 2:d172c9963f87 | 438 | getreply(); |
edy05 | 2:d172c9963f87 | 439 | pc.printf(replybuff); |
edy05 | 2:d172c9963f87 | 440 | pc.printf("%d",count); |
edy05 | 2:d172c9963f87 | 441 | if (strstr(replybuff, "OK") != NULL) { |
edy05 | 2:d172c9963f87 | 442 | pc.printf("\n++++++++++ Starting Server ++++++++++\r\n"); |
edy05 | 2:d172c9963f87 | 443 | strcpy(cmdbuff, "AT+CIPMUX=1\r\n"); // set multiple connections. |
edy05 | 2:d172c9963f87 | 444 | timeout=500; |
edy05 | 2:d172c9963f87 | 445 | getcount=20; |
edy05 | 2:d172c9963f87 | 446 | SendCMD(); |
edy05 | 2:d172c9963f87 | 447 | getreply(); |
edy05 | 2:d172c9963f87 | 448 | pc.printf(replybuff); |
edy05 | 2:d172c9963f87 | 449 | sprintf(cmdbuff,"AT+CIPSERVER=1,%d\r\n", port); |
edy05 | 2:d172c9963f87 | 450 | timeout=500; |
edy05 | 2:d172c9963f87 | 451 | getcount=20; |
edy05 | 2:d172c9963f87 | 452 | SendCMD(); |
edy05 | 2:d172c9963f87 | 453 | getreply(); |
edy05 | 2:d172c9963f87 | 454 | pc.printf(replybuff); |
edy05 | 2:d172c9963f87 | 455 | wait(1); |
edy05 | 2:d172c9963f87 | 456 | sprintf(cmdbuff,"AT+CIPSTO=%d\r\n",SERVtimeout); |
edy05 | 2:d172c9963f87 | 457 | timeout=500; |
edy05 | 2:d172c9963f87 | 458 | getcount=50; |
edy05 | 2:d172c9963f87 | 459 | SendCMD(); |
edy05 | 2:d172c9963f87 | 460 | getreply(); |
edy05 | 2:d172c9963f87 | 461 | pc.printf(replybuff); |
edy05 | 2:d172c9963f87 | 462 | wait(5); |
edy05 | 2:d172c9963f87 | 463 | pc.printf("\n Getting Server IP \r\n"); |
edy05 | 2:d172c9963f87 | 464 | strcpy(cmdbuff, "AT+CIFSR\r\n"); |
edy05 | 2:d172c9963f87 | 465 | timeout=2500; |
edy05 | 2:d172c9963f87 | 466 | getcount=200; |
edy05 | 2:d172c9963f87 | 467 | while(weberror==0) { |
edy05 | 2:d172c9963f87 | 468 | SendCMD(); |
edy05 | 2:d172c9963f87 | 469 | getreply(); |
edy05 | 2:d172c9963f87 | 470 | if (strstr(replybuff, "0.0.0.0") == NULL) { |
edy05 | 2:d172c9963f87 | 471 | weberror=1; // wait for valid IP |
edy05 | 2:d172c9963f87 | 472 | } |
edy05 | 2:d172c9963f87 | 473 | } |
edy05 | 2:d172c9963f87 | 474 | pc.printf("\n Enter WEB address (IP) found below in your browser \r\n\n"); |
edy05 | 2:d172c9963f87 | 475 | pc.printf("\n The MAC address is also shown below,if it is needed \r\n\n"); |
edy05 | 2:d172c9963f87 | 476 | replybuff[strlen(replybuff)-1] = '\0'; |
edy05 | 2:d172c9963f87 | 477 | //char* IP = replybuff + 5; |
edy05 | 2:d172c9963f87 | 478 | sprintf(webdata,"%s", replybuff); |
edy05 | 2:d172c9963f87 | 479 | //SAVE IP ADDRESS |
edy05 | 2:d172c9963f87 | 480 | get_ip_address(webdata); |
edy05 | 2:d172c9963f87 | 481 | pc.printf("ip_address: %s\n\r",ip_address); |
edy05 | 2:d172c9963f87 | 482 | pc.printf(webdata); |
edy05 | 2:d172c9963f87 | 483 | pc.printf("\n\n++++++++++ Ready ++++++++++\r\n\n"); |
edy05 | 2:d172c9963f87 | 484 | esp.attach(&callback); |
edy05 | 2:d172c9963f87 | 485 | } else { |
edy05 | 2:d172c9963f87 | 486 | pc.printf("\n++++++++++ ESP8266 error, check power/connections ++++++++++\r\n"); |
edy05 | 2:d172c9963f87 | 487 | while(1) {} |
edy05 | 2:d172c9963f87 | 488 | } |
edy05 | 2:d172c9963f87 | 489 | t2.reset(); |
edy05 | 2:d172c9963f87 | 490 | t2.start(); |
edy05 | 2:d172c9963f87 | 491 | } |
edy05 | 2:d172c9963f87 | 492 | |
edy05 | 2:d172c9963f87 | 493 | void SendCMD() |
edy05 | 2:d172c9963f87 | 494 | { |
edy05 | 2:d172c9963f87 | 495 | esp.printf("%s", cmdbuff); |
edy05 | 2:d172c9963f87 | 496 | } |
edy05 | 2:d172c9963f87 | 497 | |
edy05 | 2:d172c9963f87 | 498 | void getreply() |
edy05 | 2:d172c9963f87 | 499 | { |
edy05 | 2:d172c9963f87 | 500 | memset(replybuff, '\0', sizeof(replybuff)); |
edy05 | 2:d172c9963f87 | 501 | t1.reset(); |
edy05 | 2:d172c9963f87 | 502 | t1.start(); |
edy05 | 2:d172c9963f87 | 503 | replycount=0; |
edy05 | 2:d172c9963f87 | 504 | while(t1.read_ms()< timeout && replycount < getcount) { |
edy05 | 2:d172c9963f87 | 505 | if(esp.readable()) { |
edy05 | 2:d172c9963f87 | 506 | replybuff[replycount] = esp.getc(); |
edy05 | 2:d172c9963f87 | 507 | replycount++; |
edy05 | 2:d172c9963f87 | 508 | } |
edy05 | 2:d172c9963f87 | 509 | } |
edy05 | 2:d172c9963f87 | 510 | t1.stop(); |
edy05 | 2:d172c9963f87 | 511 | } |
edy05 | 2:d172c9963f87 | 512 | |
edy05 | 2:d172c9963f87 | 513 | void get_ip_address(char web_data[1024]){ |
edy05 | 2:d172c9963f87 | 514 | char pre_text[] = "+CIFSR:STAIP,\""; |
edy05 | 2:d172c9963f87 | 515 | char* p_text = strstr(webdata, pre_text); |
edy05 | 2:d172c9963f87 | 516 | p_text = p_text+strlen(pre_text); |
edy05 | 2:d172c9963f87 | 517 | char* p_text2 = strstr(p_text, "\""); |
edy05 | 2:d172c9963f87 | 518 | for(int i = 0;;i++){ |
edy05 | 2:d172c9963f87 | 519 | if(*(p_text+i) == *p_text2){ |
edy05 | 2:d172c9963f87 | 520 | ip_address[i] = '\0'; |
edy05 | 2:d172c9963f87 | 521 | break; |
edy05 | 2:d172c9963f87 | 522 | } |
edy05 | 2:d172c9963f87 | 523 | ip_address[i] = *(p_text+i); |
edy05 | 2:d172c9963f87 | 524 | |
edy05 | 2:d172c9963f87 | 525 | } |
edy05 | 2:d172c9963f87 | 526 | } |