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EspThermometer2/configuration.cpp

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initial
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#include <Arduino.h>
#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
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#include <EEPROM.h>
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#include "defines.h"
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#include "configuration.h"
tConfigBlock configBlock;
const uint32_t MAGIC = 0xC0DE0001;
extern ESP8266WebServer webServer;
void configServeIndex() {
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bool configValid = (configBlock.magic == MAGIC);
if (! configValid) {
strcpy(configBlock.wifiSsid, "EG-WLAN");
strcpy(configBlock.wifiKey, "shae3sheuthai2oluNgiqueiyahyumeiphughi8jequeil6taethooyeik1joh5");
strcpy(configBlock.mqttBroker, "broker.hottis.de");
strcpy(configBlock.mqttUser, "esp1");
strcpy(configBlock.mqttPass, "geheim123");
strcpy(configBlock.mqttClientId, "espClient1");
strcpy(configBlock.mqttTopic, "IoT/espThermometer2/espTherm1/measurement");
configBlock.mqttPort = 8883;
configBlock.measurePeriod = 300;
}
String buffer =
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"<!doctype html"
"<html lang=\"en\">"
" <head>"
" <title>ESP8266 Thermometer Configuration Page</title>"
" </head>"
" <body>"
" <h1>ESP8266 Configuration Page</h1>"
" <form action=\"/config\" method=\"GET\">"
" <table>"
" <tr>"
" <td>"
" <label for\"wifiSsid\">Wifi SSID</label>"
" </td><td>"
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" <input type=\"text\" name=\"wifiSsid\" id=\"wifiSsid\" ";
buffer += " size=\"32\" ";
buffer += " value=\"";
buffer += configBlock.wifiSsid;
buffer += "\"";
buffer +=
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" />"
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" </td>"
" </tr>"
" <tr>"
" <td>"
" <label for\"wifiKey\">Wifi Key</label>"
" </td><td>"
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" <input type=\"text\" name=\"wifiKey\" id=\"wifiKey\" ";
buffer += " size=\"64\" ";
buffer += " value=\"";
buffer += configBlock.wifiKey;
buffer += "\"";
buffer +=
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" />"
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" </td>"
" </tr>"
" <tr>"
" <td>"
" <label for\"mqttBroker\">MQTT Broker</label>"
" </td><td>"
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" <input type=\"text\" name=\"mqttBroker\" id=\"mqttBroker\" ";
buffer += " size=\"64\" ";
buffer += " value=\"";
buffer += configBlock.mqttBroker;
buffer += "\"";
buffer +=
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" />"
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" </td>"
" </tr>"
" <tr>"
" <td>"
" <label for\"mqttUser\">MQTT Username</label>"
" </td><td>"
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" <input type=\"text\" name=\"mqttUser\" id=\"mqttUser\" ";
buffer += " size=\"32\" ";
buffer += " value=\"";
buffer += configBlock.mqttUser;
buffer += "\"";
buffer +=
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" />"
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" </td>"
" </tr>"
" <tr>"
" <td>"
" <label for\"mqttPass\">MQTT Password</label>"
" </td><td>"
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" <input type=\"text\" name=\"mqttPass\" id=\"mqttPass\" ";
buffer += " size=\"32\" ";
buffer += " value=\"";
buffer += configBlock.mqttPass;
buffer += "\"";
buffer +=
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" />"
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" </td>"
" </tr>"
" <tr>"
" <td>"
" <label for\"mqttClientId\">MQTT ClientId</label>"
" </td><td>"
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" <input type=\"text\" name=\"mqttClientId\" id=\"mqttClientId\" ";
buffer += " size=\"32\" ";
buffer += " value=\"";
buffer += configBlock.mqttClientId;
buffer += "\"";
buffer +=
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" />"
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" </td>"
" </tr>"
" <tr>"
" <td>"
" <label for\"mqttTopic\">MQTT Topic</label>"
" </td><td>"
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" <input type=\"text\" name=\"mqttTopic\" id=\"mqttTopic\" ";
buffer += " size=\"64\" ";
buffer += " value=\"";
buffer += configBlock.mqttTopic;
buffer += "\"";
buffer +=
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" />"
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" </td>"
" </tr>"
" <tr>"
" <td>"
" <label for\"mqttPort\">MQTT Port</label>"
" </td><td>"
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" <input type=\"text\" name=\"mqttPort\" id=\"mqttPort\" ";
buffer += " value=\"";
buffer += configBlock.mqttPort;
buffer += "\"";
buffer +=
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" />"
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" </td>"
" </tr>"
" <tr>"
" <td>"
" <label for\"measurePeriod\">Measure Period</label>"
" </td><td>"
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" <input type=\"text\" name=\"measurePeriod\" id=\"measurePeriod\" ";
buffer += " value=\"";
buffer += configBlock.measurePeriod;
buffer += "\"";
buffer +=
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" />"
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" </td>"
" </tr>"
" <tr>"
" <td colspan=\"2\">"
" <button type=\"submit\">Save</button>"
" </td>"
" </tr>"
" </table>"
" </form>"
" </body>"
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"</html>";
webServer.send(200, "text/html", buffer);
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#ifdef DEBUG
Serial.println("indexHtml request served");
#endif
}
void configServeGetConfiguration() {
String arg;
arg = webServer.arg("wifiSsid");
Serial.print("wifiSsid");
Serial.println(arg);
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strcpy(configBlock.wifiSsid, arg.c_str());
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arg = webServer.arg("wifiKey");
Serial.print("wifiKey");
Serial.println(arg);
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strcpy(configBlock.wifiKey, arg.c_str());
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arg = webServer.arg("mqttBroker");
Serial.print("mqttBroker");
Serial.println(arg);
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strcpy(configBlock.mqttBroker, arg.c_str());
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arg = webServer.arg("mqttUser");
Serial.print("mqttUser");
Serial.println(arg);
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strcpy(configBlock.mqttUser, arg.c_str());
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arg = webServer.arg("mqttPass");
Serial.print("mqttPass");
Serial.println(arg);
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strcpy(configBlock.mqttPass, arg.c_str());
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arg = webServer.arg("mqttClientId");
Serial.print("mqttClientId");
Serial.println(arg);
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strcpy(configBlock.mqttClientId, arg.c_str());
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arg = webServer.arg("mqttTopic");
Serial.print("mqttTopic");
Serial.println(arg);
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strcpy(configBlock.mqttTopic, arg.c_str());
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arg = webServer.arg("mqttPort");
Serial.print("mqttPort");
Serial.println(arg);
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configBlock.mqttPort = atoi(arg.c_str());
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arg = webServer.arg("measurePeriod");
Serial.print("measurePeriod");
Serial.println(arg);
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configBlock.measurePeriod = atoi(arg.c_str());
configBlock.magic = MAGIC;
showConfiguration();
EEPROM.begin(512);
for (uint16_t i = 0; i < sizeof(configBlock); i++) {
char c = *(((char*)(&configBlock))+i);
Serial.print("write to eeprom: ");
Serial.print(i);
Serial.print(" ");
Serial.println(c);
EEPROM.write(EEPROM_ADDR + i, c);
}
EEPROM.commit();
Serial.println("EEPROM saved");
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webServer.send(200, "text/html", "configuration saved");
}
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void showConfiguration() {
Serial.println("Configuration is");
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Serial.print("magic = ");
Serial.println(configBlock.magic);
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Serial.print("wifiSsid = ");
Serial.println(configBlock.wifiSsid);
Serial.print("wifiKey = ");
Serial.println(configBlock.wifiKey);
Serial.print("mqttBroker = ");
Serial.println(configBlock.mqttBroker);
Serial.print("mqttUser = ");
Serial.println(configBlock.mqttUser);
Serial.print("mqttPass = ");
Serial.println(configBlock.mqttPass);
Serial.print("mqttClientId = ");
Serial.println(configBlock.mqttClientId);
Serial.print("mqttTopic = ");
Serial.println(configBlock.mqttTopic);
Serial.print("mqttPort = ");
Serial.println(configBlock.mqttPort);
Serial.print("measurePeriod = ");
Serial.println(configBlock.measurePeriod);
Serial.println("---");
}
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