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| /*********************************************************************************
***********Maquette d'essai ESP32 en serveur Web - librairie ESPAsyncWebServer****
***********
**************************************version 1.00 Michel MORICE novembre 2024****/
#include <Arduino.h>
#include <FS.h>
#include <SPIFFS.h>
#include <WiFi.h>
#include <ESPAsyncWebServer.h>
#include <AsyncTCP.h>
#include "maBox.h"
//#include <ElegantOTA.h>
#define FORMAT_SPIFFS_IF_FAILED false
#define HTTP_PORT 80
const char* SSID = SECRET_SSID;
const char* PASS = SECRET_PASS;
const char* DIR_HTML = "/index.html"; //page client
const char* DIR_CSS = "/style.css"; //mise en forme page client
const char* DIR_JS = "/code.js"; //code Javascript page client
bool bodyPret=false;
const size_t tailleMaxBody = 250;
char bufBody[tailleMaxBody];
//***************variables globales***********************
String pageHTML = "", pageCSS="", pageJS="";
//****************instantiations***********************
AsyncWebServer serveur(HTTP_PORT);
//*************** Chargement des pages annexes du serveur ************************
void lectureData(const char* path){
File fic = SPIFFS.open(path);
if(!fic || fic.isDirectory()){
Serial.println("Erreur ouverture fichier");
return;
}
if(strcmp(path,DIR_HTML)==0){ //****client
while(fic.available()) {pageHTML += char(fic.read());}
}
else if(strcmp(path,DIR_CSS)==0){
while(fic.available()) {pageCSS += char(fic.read());}
}
else if(strcmp(path,DIR_JS)==0){
while(fic.available()) {pageJS += char(fic.read());}
}
fic.close();
}
//****Gestion de la réception des POST******************
void gestionReception(AsyncWebServerRequest *req, uint8_t *data, size_t len, size_t index, size_t total) {
Serial.println("Debut analyse");
if(index==0){
bodyPret = false;
}
if(total >=tailleMaxBody)
Serial.println("body too big");
else{
memcpy(bufBody + index,data,len);
if(index + len >= total){
bufBody[total] = '\0';
bodyPret=true;
}
}
}
//****Analyse de la réception du POST de la programmation des capteurs**************
void analyseReceptFormData(AsyncWebServerRequest *req){
if(bodyPret){
req->send(200,"Content-type: text/plain", "Ok");
int nbParams = req->params();
for(uint8_t i=0;i<nbParams;i++){
const AsyncWebParameter* p = req->getParam(i);
printf("POST[%s]: %s\n", p->name().c_str(), p->value().c_str());
}
}
else req->send(413,"Content-type: text/plain", "NOk");
}
//********************initialisation du SPIFFS***************************************
void initSPIFFS(){
if(!SPIFFS.begin(FORMAT_SPIFFS_IF_FAILED)){
Serial.println("SPIFFS Mount Failed");
}
else{
lectureData(DIR_HTML);
lectureData(DIR_CSS);
lectureData(DIR_JS);
}
}
//********************initialisation du serveur**************************************
void initServeur(){
serveur.on("/essaiFormData", HTTP_GET, [](AsyncWebServerRequest *req){
req->send(200,"text/html", pageHTML);
});
serveur.on("/style.css", HTTP_GET, [](AsyncWebServerRequest *req){
req->send(200, "text/css", pageCSS);
});
serveur.on("/code.js", HTTP_GET, [](AsyncWebServerRequest *req){
req->send(200, "application/javascript", pageJS);
});
serveur.on("/envoiFormData", HTTP_POST, analyseReceptFormData, nullptr, gestionReception);
//ElegantOTA.begin(&serveur);
serveur.begin();
}
//***************Evenements WIFI*********************************
void connexion_BOX(WiFiEvent_t event, WiFiEventInfo_t info){
Serial.println("connexion WiFi");
}
void obtention_IP(WiFiEvent_t event, WiFiEventInfo_t info){
Serial.print("Adresse IP: "); Serial.println(WiFi.localIP());
}
void deconnexion_BOX(WiFiEvent_t event, WiFiEventInfo_t info){
WiFi.begin(SSID,PASS);
}
//********************initialisation WiFi*********************************
void initWiFi(){
WiFi.mode(WIFI_STA);
WiFi.onEvent(connexion_BOX,ARDUINO_EVENT_WIFI_STA_CONNECTED); //attend une connexion wifi
WiFi.onEvent(obtention_IP, ARDUINO_EVENT_WIFI_STA_GOT_IP); //attend l'obtention d'adresse IP
WiFi.onEvent(deconnexion_BOX, ARDUINO_EVENT_WIFI_STA_DISCONNECTED); //si une déconnexion survient
WiFi.begin(SSID, PASS);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
}
}
//******************** paramétrage initial *********************************************************
void setup() {
Serial.begin(9600);
initWiFi();
delay(200);
initSPIFFS();
delay(200);
initServeur();
}
//***************** boucle principale **************************************************************
void loop() {
//ElegantOTA.loop();
} |
