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webserver_test_esp8266.ino
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webserver_test_esp8266.ino
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// MY CONNECTION TO 802.1x NETWORK IS BASED
// ON MY MAC ADDRESS SO I NEEDED TO UPDATE IT MANUALLY
#include <ESP8266WiFi.h>
WiFiServer server(80);
String header;
extern "C" {
#include "user_interface.h"
#include "wpa2_enterprise.h"
}
static const char* ssid = "eduroam";
static const char* username = "[email protected]";
static const char* password = "pass";
char buff[20];
String ip;
uint8_t mac[6] {0x30, 0xAE, 0xA4, 0x0F, 0x89, 0x78};
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
Serial.println("Free memory before setting wifi connection");
Serial.println(system_get_free_heap_size());
delay(500);
Serial.print("OLD ESP8266 MAC: ");
Serial.println(WiFi.macAddress()); //This will read MAC Address of ESP
wifi_set_macaddr(0, const_cast<uint8*>(mac)); //This line changes MAC adderss of ESP8266
Serial.print("NEW ESP8266 MAC: ");
Serial.println(WiFi.macAddress()); //This will read MAC Address of ESP
// WPA2 Connection starts here
// Setting ESP into STATION mode only (no AP mode or dual mode)
wifi_set_opmode(STATION_MODE);
struct station_config wifi_config;
memset(&wifi_config, 0, sizeof(wifi_config));
strcpy((char*)wifi_config.ssid, ssid);
wifi_station_set_config(&wifi_config);
wifi_station_clear_cert_key();
wifi_station_clear_enterprise_ca_cert();
wifi_station_set_wpa2_enterprise_auth(1);
wifi_station_set_enterprise_identity((uint8*)username, strlen(username));
wifi_station_set_enterprise_username((uint8*)username, strlen(username));
wifi_station_set_enterprise_password((uint8*)password, strlen(password));
wifi_station_connect();
// WPA2 Connection ends here
// Wait for connection AND IP address from DHCP
Serial.println();
Serial.println("Waiting for connection and IP Address from DHCP");
while (WiFi.status() != WL_CONNECTED) {
Serial.println("Free memory during connecting to wifi");
Serial.println(system_get_free_heap_size());
delay(2000);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
Serial.println("Free memory after connection sucessful");
Serial.println(system_get_free_heap_size());
server.begin();
}
void loop(){
WiFiClient client = server.available();
if (client) {
String currentLine = "";
while (client.connected()) {
if (client.available()) {
char c = client.read();
header += c;
if (c == '\n') {
if (currentLine.length() == 0) {
client.println("HTTP/1.1 200 OK");
client.println("Content-type:text/html");
client.println("Connection: close");
client.println();
client.println("<head><meta charset='UTF-8'><meta name='author' content='Martin Chlebovec'><meta name='viewport' content='width=device-width, initial-scale=1.0'></head><style>body{ display: table;width: 100%;background: #dedede;text-align: center;}*{ -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */-moz-box-sizing: border-box; /* Firefox, other Gecko */box-sizing: border-box; /* Opera/IE 8+ */}.aa_h2{ font:100 5rem/1 Roboto; text-transform: uppercase;}table{ background: #fff;}table,thead,tbody,tfoot,tr, td,th{ text-align: center; margin: auto; border:1px solid #dedede; padding: 1rem; width: 50%;}.table { display: table; width: 50%; }.tr { display: table-row; }.thead { display: table-header-group }.tbody { display: table-row-group }.tfoot { display: table-footer-group }.col { display: table-column }.colgroup { display: table-column-group }.td, .th { display: table-cell; width: 50%; }.caption { display: table-caption }.table,.thead,.tbody,.tfoot,.tr,.td,.th{ text-align: center; margin: auto; padding: 1rem;}.table{ background: #fff; margin: auto; border:none; padding: 0; margin-bottom: 5rem;}.th{font-weight: 700;border:1px solid #dedede;&:nth-child(odd){border-right:none;}}.td{font-weight: 300;border:1px solid #dedede;border-top:none;&:nth-child(odd){border-right:none;}}.aa_htmlTable{background: tomato;padding: 5rem;display: table;width: 100%;height: 100vh;vertical-align: middle;}.aa_css{background: skyblue;padding: 5rem;display: table;width: 100%;height: 100vh;vertical-align: middle;}.aa_ahmadawais{display: table;width: 100%;font: 100 1.2rem/2 Roboto;margin: 5rem auto;}</style><div class='aa_htmlTable'><table width=100%><thead><tr><th>Teplota</th><th>Hodnota</th></tr></thead><tbody><tr><td>Dnu</td><td> °C</td></tr><tr><td>Von</td><td> °C</td></tr></tbody></table></div>");
client.println();
break;
}else { // if you got a newline, then clear currentLine
currentLine = "";
}
}else if (c != '\r') { // if you got anything else but a carriage return character,
currentLine += c; // add it to the end of the currentLine
}
}
}
header = "";
client.stop();
Serial.println("");
}
}