themindfactory
commented
3 years ago If the html is generated in by software then you need your own gzip function to pass the html to.
RichardS
On Wed, May 12, 2021, 12:26 Gaston, @.***> wrote:
Hi to all in this forum, Im using Arduino IDE 1.8.13 with the esp8266 from AI-Cloud (the black module esp8266). Im a modify version of the esp8266 example WiFi HTTPSServer and im sending the HTML web page using the client.println instruction. this is my complete code:
`#include
include
include
include
include
include
include
include "ArduinoJson.h"
include "index_html.h"
define DRD_TIMEOUT 10
// RTC Memory Address for the DoubleResetDetector to use
define DRD_ADDRESS 0
DoubleResetDetector drd(DRD_TIMEOUT, DRD_ADDRESS); //#include
char WiFiRelay[21] = "xxxxxxxxxxxxxxxxxxx";//max 32 characters WiFiServer server(80); String header = "HTTP/1.1 200 OK \r\n\r\n\r\n"; String html_1 = " "; String html_2 = "Battery0V "; String html_3 = "Current0A "; String html_4 = "Batery_Temp0°C "; String html_5 = "Mosfet_Temp0°C "; String html_6 = "Iniciar "; String html_7 = ""; String request = ""; String name_device = ""; bool shouldSaveConfig = false; bool on_btn_flag = false; bool fpga_conv = false; //---------------------------variables de medicion-------------------------// const int BUFFER_SIZE=10; char from_fpga[BUFFER_SIZE]; char *puntero; String bateria,corriente,temperatura_bateria,temperatura_mosfet,debug; int ctrlostlink = 0;
void saveConfigCallback () { //Serial.println("Should save config"); shouldSaveConfig = true; } void configModeCallback (WiFiManager
*myWiFiManager) { //Serial.println("Entered config mode"); //Serial.println(WiFi.softAPIP()); drd.stop(); } void setup() { Serial.begin(115200); //Serial.println("WifiRelay activado"); //Serial.println(); //EEPROM.begin(512); delay(10); puntero = from_fpga; //Serial.println("mounting FS..."); //comienza lectura memoria if (SPIFFS.begin()) { if (SPIFFS.exists("/config.json")) { //file exists, reading and loading File configFile = SPIFFS.open("/config.json", "r"); if (configFile) { size_t size = configFile.size(); // Allocate a buffer to store contents of the file. std::unique_ptr<char[]> buf(new char[size]); configFile.readBytes(buf.get(), size); DynamicJsonBuffer jsonBuffer; JsonObject& json = jsonBuffer.parseObject(buf.get()); json.printTo(Serial); if (json.success()) { //Serial.println("\nparsed json"); //recupera variables almacenadas strcpy(WiFiRelay, json["WiFiRelay"]); //Serial.println("nombre dispositivo"); //Serial.println(WiFiRelay); } else { //operacion } configFile.close(); } } } else { //operacion } //finaliza operacion lectura //pinMode(3,OUTPUT); //digitalWrite(3,0); // Connect to WiFi network WiFiManager wifiManager; wifiManager.setAPCallback(configModeCallback); //set config wifiManager.setSaveConfigCallback(saveConfigCallback); //agregar custom request to wifimanager WiFiManagerParameter custom_WiFiRelay("WiFiRelay", "WiFiRelayName", WiFiRelay, 21); //agregar nuevo parametro wifiManager.addParameter(&custom_WiFiRelay); //RESET WIFIMANAGER**** //wifiManager.resetSettings(); //*** wifiManager.autoConnect("WiFiRelay");//coment serial.begin() WiFi.setSleepMode(WIFI_NONE_SLEEP); if (!MDNS.begin("esp01")) {} server.begin(); strcpy(WiFiRelay, custom_WiFiRelay.getValue()); if (drd.detectDoubleReset()) { WiFiManager wifiManager; wifiManager.startConfigPortal("WiFiRelay"); } //save the custom parameters to FS if (shouldSaveConfig) { //Serial.println("saving config"); DynamicJsonBuffer jsonBuffer; JsonObject& json = jsonBuffer.createObject(); json["WiFiRelay"] = WiFiRelay; File configFile = SPIFFS.open("/config.json", "w"); if (!configFile) { //Serial.println("failed to open config file for writing"); } json.printTo(Serial); json.printTo(configFile); configFile.close(); } drd.stop(); }
void loop() { uint8_t index = 0; unsigned long espera_tiempo = millis() + 1000; while((millis() < espera_tiempo) && (index < BUFFER_SIZE)) { if(Serial.available() > 0) { from_fpga[index++] = Serial.read(); //Serial.println(from_fpga[index]); if(from_fpga[index] =='\r') { fpga_conv = true; break; } } } if((millis() - espera_tiempo) == 0) { ctrlostlink++; } if(fpga_conv == true) { ctrlostlink = 0; convert_to_string_values(puntero); }
// Check if a client has connected WiFiClient client = server.available(); if (!client) { return; } unsigned long timeout = millis() + 500; //Serial.println("new client"); while (!client.available() && millis() < timeout) { delay(1); } if (millis() > timeout) { //Serial.println("timeout"); client.flush(); client.stop(); return; } // Read the first line of the request String req = client.readStringUntil('\r'); client.flush(); //Setea ON BUTTON //bandera request int val_bool; int index_first = req.indexOf('i'); int index_last = req.indexOf('r')+1; //Serial.println(index_first); //Serial.println(index_last); String comando = req.substring(index_first,index_last); //Serial.println("comando:" + comando); //Serial.println(req); if(comando == "iniciar") { html_2 = "Battery" + bateria + " "; html_3 = "Current" + corriente + " "; html_4 = "Battery_Temp" + temperatura_bateria + " "; html_5 = "Mosfet_Temp" + temperatura_mosfet + " "; html_6 = "Iniciar "; } if(ctrlostlink>13) { ctrlostlink = 0; html_2 = "Battery0V "; html_3 = "Current0A "; html_4 = "Batery_Temp0°C "; html_5 = "Mosfet_Temp0°C "; html_6 = "Iniciar "; } client.flush(); //html_2 = name_device; client.println("HTTP/1.1 200 OK"); //client.println("Content-Type: text/html"); client.println("Content-Encoding: gzip; charset=UTF-8> \r\n"); client.print("Content-Length:"); client.println(sizeof(index_html_gz)); client.print(index_html_gz[640]); //client.println(""); //client.println("Content-type: text/xml; charset="utf-8"");
/ //client.print(header); //header = "HTTP/1.1 200 OK\r\n\r\n";//" + datos + " client.print(header); client.print(html_1); client.print(html_2); client.print(html_3); client.print(html_4); client.print(html_5); client.print(html_6); client.print(html_7); / delay(1); } void convert_to_string_values(char pointer) { fpga_conv = false; bateria = String(pointer[0]) + String(pointer[1]) + String('V'); corriente = String(pointer[2]) + String(pointer[3]) + String('A'); temperatura_bateria = String(pointer[4]) + String(pointer[5]) + String(pointer[6]) + String("°C"); temperatura_mosfet = String(pointer[7]) + String(pointer[8]) + String(pointer[9]) + String("°C"); //debug = String(pointer[0]) + String(pointer[1]) + String(pointer[2])
String(pointer[3]) + String(pointer[4]) + String(pointer[5]) + String(pointer[6]) + String(pointer[7]) + String(pointer[8]) + String(pointer[9]); Serial.println("bateria:" + bateria); Serial.println("corriente." + corriente); Serial.println("temperatura_bateria" + temperatura_bateria); Serial.println("temperatura_mosfet" + temperatura_mosfet); for(uint8_t i=0;i<BUFFER_SIZE;i++) {
from_fpga[i]='0';
}
} / void EEPROM_ESP8266_GRABAR(String buffer, int N) { EEPROM.begin(512); delay(100); for (int L = 0; L < 32; ++L) { EEPROM.write(N + L, buffer[L]); delay(100); } EEPROM.commit(); } // String EEPROM_ESP8266_LEER(int min, int max) { EEPROM.begin(512); delay(100);String buffer; for (int L = min; L < max; ++L) if (isAlphaNumeric(EEPROM.read(L))) buffer += char(EEPROM.read(L)); return buffer; } /`
Is it possible to gzip the html page and send it using the client.println instruction? Im trying to send it using this code: client.println("HTTP/1.1 200 OK"); //client.println("Content-Type: text/html"); client.println("Content-Encoding: gzip; charset=UTF-8> \r\n"); client.print("Content-Length:"); client.println(sizeof(index_html_gz)); client.print(index_html_gz[640]); And Chrome is showing a white window only. Thanks Gastón
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GastonMelo
JiriBilek
earlephilhower
Hi to all in this forum, Im using Arduino IDE 1.8.13 with the esp8266 from AI-Cloud (the black module esp8266). Im a modify version of the esp8266 example WiFi HTTPSServer and im sending the HTML web page using the client.println instruction. this is my complete code:
`#include
include
include
include
include
include
include
include "ArduinoJson.h"
include "index_html.h"
define DRD_TIMEOUT 10
// RTC Memory Address for the DoubleResetDetector to use
define DRD_ADDRESS 0
DoubleResetDetector drd(DRD_TIMEOUT, DRD_ADDRESS); //#include
char WiFiRelay[21] = "xxxxxxxxxxxxxxxxxxx";//max 32 characters
WiFiServer server(80);
String header = "HTTP/1.1 200 OK \r\n\r\n\r\n"; String html_1 = "<!DOCTYPE html>
"; String request = ""; String name_device = ""; bool shouldSaveConfig = false; bool on_btn_flag = false; bool fpga_conv = false; //---------------------------variables de medicion-------------------------// const int BUFFER_SIZE=10; char from_fpga[BUFFER_SIZE]; char *puntero; String bateria,corriente,temperatura_bateria,temperatura_mosfet,debug; int ctrlostlink = 0;void saveConfigCallback () { //Serial.println("Should save config"); shouldSaveConfig = true; } void configModeCallback (WiFiManager *myWiFiManager) { //Serial.println("Entered config mode"); //Serial.println(WiFi.softAPIP()); drd.stop(); } void setup() { Serial.begin(115200); //Serial.println("WifiRelay activado"); //Serial.println(); //EEPROM.begin(512); delay(10); puntero = from_fpga; //Serial.println("mounting FS..."); //comienza lectura memoria if (SPIFFS.begin()) { if (SPIFFS.exists("/config.json")) { //file exists, reading and loading File configFile = SPIFFS.open("/config.json", "r"); if (configFile) { size_t size = configFile.size(); // Allocate a buffer to store contents of the file. std::unique_ptr<char[]> buf(new char[size]); configFile.readBytes(buf.get(), size); DynamicJsonBuffer jsonBuffer; JsonObject& json = jsonBuffer.parseObject(buf.get()); json.printTo(Serial); if (json.success()) { //Serial.println("\nparsed json"); //recupera variables almacenadas strcpy(WiFiRelay, json["WiFiRelay"]); //Serial.println("nombre dispositivo"); //Serial.println(WiFiRelay); } else { //operacion } configFile.close(); } } } else { //operacion } //finaliza operacion lectura //pinMode(3,OUTPUT); //digitalWrite(3,0); // Connect to WiFi network WiFiManager wifiManager; wifiManager.setAPCallback(configModeCallback); //set config wifiManager.setSaveConfigCallback(saveConfigCallback); //agregar custom request to wifimanager WiFiManagerParameter custom_WiFiRelay("WiFiRelay", "WiFiRelayName", WiFiRelay, 21); //agregar nuevo parametro wifiManager.addParameter(&custom_WiFiRelay); //*RESET WIFIMANAGER***** //wifiManager.resetSettings(); //*** wifiManager.autoConnect("WiFiRelay");//coment serial.begin() WiFi.setSleepMode(WIFI_NONE_SLEEP); if (!MDNS.begin("esp01")) {} server.begin(); strcpy(WiFiRelay, custom_WiFiRelay.getValue()); if (drd.detectDoubleReset()) { WiFiManager wifiManager; wifiManager.startConfigPortal("WiFiRelay"); } //save the custom parameters to FS if (shouldSaveConfig) { //Serial.println("saving config"); DynamicJsonBuffer jsonBuffer; JsonObject& json = jsonBuffer.createObject(); json["WiFiRelay"] = WiFiRelay; File configFile = SPIFFS.open("/config.json", "w"); if (!configFile) { //Serial.println("failed to open config file for writing"); } json.printTo(Serial); json.printTo(configFile); configFile.close(); } drd.stop(); }
void loop() { uint8_t index = 0; unsigned long espera_tiempo = millis() + 1000; while((millis() < espera_tiempo) && (index < BUFFER_SIZE)) { if(Serial.available() > 0) { from_fpga[index++] = Serial.read(); //Serial.println(from_fpga[index]); if(from_fpga[index] =='\r') { fpga_conv = true; break; } } } if((millis() - espera_tiempo) == 0) { ctrlostlink++; } if(fpga_conv == true) { ctrlostlink = 0; convert_to_string_values(puntero); }
// Check if a client has connected WiFiClient client = server.available(); if (!client) { return; } unsigned long timeout = millis() + 500; //Serial.println("new client"); while (!client.available() && millis() < timeout) { delay(1); } if (millis() > timeout) { //Serial.println("timeout"); client.flush(); client.stop(); return; } // Read the first line of the request String req = client.readStringUntil('\r'); client.flush(); //Setea ON BUTTON //bandera request int val_bool; int index_first = req.indexOf('i'); int index_last = req.indexOf('r')+1; //Serial.println(index_first); //Serial.println(index_last); String comando = req.substring(index_first,index_last); //Serial.println("comando:" + comando); //Serial.println(req); if(comando == "iniciar") { html_2 = "Battery " + bateria + " Current " + corriente + " Battery_Temp " + temperatura_bateria + " Mosfet_Temp " + temperatura_mosfet + " Battery 0V Current 0A Batery_Temp 0°C Mosfet_Temp 0°C
"; html_3 = "
"; html_4 = "
"; html_5 = "
"; html_6 = "
"; } if(ctrlostlink>13) { ctrlostlink = 0; html_2 = "
"; html_3 = "
"; html_4 = "
"; html_5 = "
"; html_6 = "
"; } client.flush(); //html_2 = name_device; client.println("HTTP/1.1 200 OK"); //client.println("Content-Type: text/html"); client.println("Content-Encoding: gzip; charset=UTF-8> \r\n"); client.print("Content-Length:"); client.println(sizeof(index_html_gz)); client.print(index_html_gz[640]); //client.println(""); //client.println("Content-type: text/xml; charset=\"utf-8\"");
/ //client.print(header); //header = "HTTP/1.1 200 OK\r\n\r\n";//" + datos + " client.print(header); client.print(html_1); client.print(html_2); client.print(html_3); client.print(html_4); client.print(html_5); client.print(html_6); client.print(html_7); / delay(1); } void convert_to_string_values(char pointer) { fpga_conv = false; bateria = String(pointer[0]) + String(pointer[1]) + String('V'); corriente = String(pointer[2]) + String(pointer[3]) + String('A'); temperatura_bateria = String(pointer[4]) + String(pointer[5]) + String(pointer[6]) + String("°C"); temperatura_mosfet = String(pointer[7]) + String(pointer[8]) + String(pointer[9]) + String("°C"); //debug = String(pointer[0]) + String(pointer[1]) + String(pointer[2]) + String(pointer[3]) + String(pointer[4]) + String(pointer[5]) + String(pointer[6]) + String(pointer[7]) + String(pointer[8]) + String(pointer[9]); Serial.println("bateria:" + bateria); Serial.println("corriente." + corriente); Serial.println("temperatura_bateria" + temperatura_bateria); Serial.println("temperatura_mosfet" + temperatura_mosfet); for(uint8_t i=0;i<BUFFER_SIZE;i++) {
} / void EEPROM_ESP8266_GRABAR(String buffer, int N) { EEPROM.begin(512); delay(100); for (int L = 0; L < 32; ++L) { EEPROM.write(N + L, buffer[L]); delay(100); } EEPROM.commit(); } // String EEPROM_ESP8266_LEER(int min, int max) { EEPROM.begin(512); delay(100);String buffer; for (int L = min; L < max; ++L) if (isAlphaNumeric(EEPROM.read(L))) buffer += char(EEPROM.read(L)); return buffer; } /`
Is it possible to gzip the html page and send it using the client.println instruction? Im trying to send it using this code:
client.println("HTTP/1.1 200 OK"); //client.println("Content-Type: text/html"); client.println("Content-Encoding: gzip; charset=UTF-8> \r\n"); client.print("Content-Length:"); client.println(sizeof(index_html_gz)); client.print(index_html_gz[640]);And Chrome is showing a white window only. Thanks Gastón