468 lines
14 KiB
C++
468 lines
14 KiB
C++
#include <Arduino.h>
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#include <ESP32Servo.h>
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#include "FS.h"
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#include "SD.h"
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#include "SPI.h"
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#include "RTClib.h"
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#include <Wire.h>
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#include "driver/pcnt.h"
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#include <WiFi.h>
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#include <ESPAsyncWebServer.h>
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#include "main.h"
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//#include <time.h>
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/////////////////////////////
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/* DÉFINITIONS DU COMPTEUR */
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/////////////////////////////
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#define PCNT_TEST_UNIT PCNT_UNIT_0 // Il existe 8 compteurs de 0 à 7
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#define PCNT_TEST_CHANNEL PCNT_CHANNEL_0
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#define PCNT_INPUT_SIG_IO GPIO_NUM_15 // Pulse Input GPIO
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#define PCNT_INPUT_CTRL_IO GPIO_NUM_2 // Control GPIO HIGH=count up, LOW=count down
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bool sem_compteur; // sémaphore pour le compteur
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int16_t count = 0; // variable de compteur
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int vRotReel; // vitesse réelle mesurée du moteur
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unsigned long compteur_minuteur = 0; // minuteur pour le déclenchement du compteur
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int refresh_compte_tour = 500; // durée entre deux mesures du compte-tour en ms
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/////////////////////////////////
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/*NUMÉRO DE SÉRIE DE L'APPAREIL*/
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/////////////////////////////////
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char numero_capteur[] = "capteur n°0001\n";
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///////////////////////////
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/* DÉFINITIONS DE LA RTC */
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///////////////////////////
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RTC_DS3231 rtc; //déclaration de la rtc
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DateTime now{rtc.now()};
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///////////////////////////
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/* DÉFINITIONS DE LA LED */
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///////////////////////////
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#define LED 13
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////////////////////////////////
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/* DÉFINITIONS DE LA CARTE SD */
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////////////////////////////////
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unsigned long freq_ecriture = 60000; // durée entre deux écritures sur la carte SD en micro secondes
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char horodatage[12]; //création du tableau pour contenir l'horodatage
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char fichier[] = "/"; //tableau pour le nom de fichier
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//////////////////////////////////
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/* DÉFINITIONS DU DRIVER MOTEUR */
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//////////////////////////////////
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int vRotVis = 2400; //vitesse de rotation recherchée en tr/min
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Servo moteur; //création de l'objet moteur
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int minUs = 1000; // intervalle pwm mini
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int maxUs = 2000; // intervalle pwm maxi
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int pos = 135; // vitesse de départ, 135 donne environ 40Hz
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int moteurPin = 4; //pin de contrôle du BEC de l'ESC du moteur
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ESP32PWM pwm; // Activation du pwm
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////////////////////////////////
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/* DÉFINITIONS DU BOUTON WIFI */
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////////////////////////////////
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int bouton_wifi = 2; // pin du bouton wifi
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bool sem_wifi; //sémaphore du minuteur du bouton wifi
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unsigned long wifi_minuteur = 0; // minuteur pour l'appui long sur le bouton wifi
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bool etat_bouton_wifi;
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int tempo_bouton_wifi = 5000; //temps d'appui en millisecondes pour arrêter le capteur et passer en mode wifi
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///////////////////////////////////////
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/* DÉFINITIONS DU POINT D'ACCES WIFI */
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///////////////////////////////////////
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const char *ssid = "IFV-Sporix"; // SSID
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const char *password = "12345678"; // PASSWORD, 8 caractères minimum
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WiFiServer server(80); // port du serveur
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////////////////////////////
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/// FONCTION CODE ERREUR ///
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////////////////////////////
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void errorCode(int codeNumber) {
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while(1) {
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delay(3700);
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for( int i=1 ; i<=codeNumber ; ++i ){
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Serial.println("balise errCode Blink");
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delay(500);
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digitalWrite(LED,HIGH);
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delay(500);
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digitalWrite(LED,LOW);
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delay(500);
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}
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}
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}
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/////////////////////////
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/* FONCTIONS DU MOTEUR */
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/////////////////////////
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void start_moteur() {
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ESP32PWM::allocateTimer(2);
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moteur.setPeriodHertz(50);
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moteur.attach(moteurPin, minUs, maxUs);
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delay(15);
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moteur.write(0); // envoi du 0 à l'ESC pour initialisation
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delay(1500); // délai permettant au variateur de détecter le zero
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moteur.write(pos); // vitesse initiale
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}
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void gaz_moteur() {
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if (vRotVis > vRotReel) {
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pos ++;
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}
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if (vRotReel > vRotVis) {
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pos --;
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}
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moteur.write(pos);
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}
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void stop_moteur() {
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moteur.write(0);
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delay(1000);
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moteur.detach();
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}
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///////////////////////////
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/* FONCTIONS DU COMPTEUR */
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///////////////////////////
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void start_compteur() {
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Serial.println("Initialisation du compteur");
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pcnt_config_t pcnt_config = {
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PCNT_INPUT_SIG_IO, // Pulse input gpio_num, if you want to use gpio16, pulse_gpio_num = 16, a negative value will be ignored
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PCNT_PIN_NOT_USED, // Control signal input gpio_num, a negative value will be ignored
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PCNT_MODE_KEEP, // PCNT low control mode
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PCNT_MODE_KEEP, // PCNT high control mode
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PCNT_COUNT_INC, // PCNT positive edge count mode
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PCNT_COUNT_DIS, // PCNT negative edge count mode
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//PCNT_H_LIM_VAL, // Maximum counter value
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//PCNT_L_LIM_VAL, // Minimum counter value
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PCNT_TEST_UNIT, // PCNT unit number
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PCNT_TEST_CHANNEL, // the PCNT channel
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};
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if(pcnt_unit_config(&pcnt_config) == ESP_OK) //init unit
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Serial.println("Config Unit_0 = ESP_OK");
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pcnt_set_filter_value(PCNT_TEST_UNIT, 100); /*Configure input filter value*/
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pcnt_filter_enable(PCNT_TEST_UNIT); /*Enable input filter*/
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pcnt_counter_pause(PCNT_TEST_UNIT);
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pcnt_counter_clear(PCNT_TEST_UNIT); /*Reset counter value*/
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pcnt_counter_resume(PCNT_TEST_UNIT); /*Resume counting*/
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}
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void stop_compteur() {
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/*Pause counter*/
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pcnt_counter_pause(PCNT_TEST_UNIT);
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/*Reset counter value*/
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pcnt_counter_clear(PCNT_TEST_UNIT);
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// peut-être libérer la mémoire compteur?
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}
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void compte_tour() {
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int offset = (compteur_minuteur - millis());
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if (offset >= refresh_compte_tour ){
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vRotReel = (pcnt_get_counter_value(PCNT_TEST_UNIT, &count)/offset * 60000); //vitesse en tours par min
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gaz_moteur(); // ajustement des gaz en fonction de la vitesse mesurée
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Serial.println("vRotReel = ");
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Serial.println(vRotReel);
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}
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}
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/////////////////////////
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/// FONCTIONS SD CARD ///
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/////////////////////////
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void readFile(fs::FS &fs, const char * path){
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Serial.printf("Reading file: %s\n", path);
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File file = fs.open(path);
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if(!file){
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Serial.println("Failed to open file for reading");
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return;
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}
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Serial.print("Read from file: ");
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while(file.available()){
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Serial.write(file.read());
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}
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file.close();
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}
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void writeFile(fs::FS &fs, const char * path, const char * message){
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Serial.printf("Writing file: %s\n", path);
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File file = fs.open(path, FILE_WRITE);
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if(!file){
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Serial.println("Failed to open file for writing");
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errorCode(2);
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return;
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}
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if(file.print(message)){
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Serial.println("File written");
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} else {
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Serial.println("Write failed");
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}
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file.close();
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}
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void appendFile(fs::FS &fs, const char * path, const char * message){
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Serial.printf("Appending to file: %s\n", path);
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File file = fs.open(path, FILE_APPEND);
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if(!file){
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Serial.println("Failed to open file for appending");
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return;
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}
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if(file.print(message)){
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Serial.println("Message appended");
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} else {
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Serial.println("Append failed");
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}
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file.close();
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}
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void deleteFile(fs::FS &fs, const char * path){
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Serial.printf("Deleting file: %s\n", path);
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if(fs.remove(path)){
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Serial.println("File deleted");
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} else {
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Serial.println("Delete failed");
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}
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}
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void testFileIO(fs::FS &fs, const char * path){
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File file = fs.open(path);
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static uint8_t buf[512];
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size_t len = 0;
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uint32_t start = millis();
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uint32_t end = start;
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if(file){
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len = file.size();
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size_t flen = len;
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start = millis();
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while(len){
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size_t toRead = len;
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if(toRead > 512){
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toRead = 512;
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}
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file.read(buf, toRead);
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len -= toRead;
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}
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end = millis() - start;
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Serial.printf("%u bytes read for %u ms\n", flen, end);
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file.close();
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} else {
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Serial.println("Failed to open file for reading");
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}
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file = fs.open(path, FILE_WRITE);
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if(!file){
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Serial.println("Failed to open file for writing");
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return;
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}
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size_t i;
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start = millis();
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for(i=0; i<2048; i++){
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file.write(buf, 512);
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}
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end = millis() - start;
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Serial.printf("%u bytes written for %u ms\n", 2048 * 512, end);
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file.close();
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}
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void sd_init() {
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if(!SD.begin()){
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Serial.println("Card Mount Failed");
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errorCode(3);
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return;
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}
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uint8_t cardType = SD.cardType();
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if(cardType == CARD_NONE){
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Serial.println("No SD card attached");
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errorCode(4);
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return;
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}
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//DateTime now{rtc.now()};//DateTime
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now = rtc.now();
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char date_format[] = "MM-DD-hh-mm";
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char *date = now.toString(date_format);
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strcat(fichier,date);
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char entete[] = "# YY-MM-DD:hh:mm:ss Vrot en tr/min \n";
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writeFile(SD, fichier, numero_capteur);
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appendFile(SD, fichier, entete);
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}
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void scribe_sd (){
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if ( sem_compteur == false ) {
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compteur_minuteur = millis();
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sem_compteur = true;
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}
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if ( sem_compteur == true && compteur_minuteur - millis() >= freq_ecriture ){
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char timestamp[] = "YY-MM-DD-hh:mm:ss";
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char *horodatage = now.toString(timestamp);
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char buffer[64];
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snprintf(buffer, sizeof buffer, "%d", vRotReel);
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appendFile(SD, fichier, horodatage);
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appendFile(SD, fichier, " " );
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appendFile(SD, fichier, buffer);
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appendFile(SD, fichier, "\n" );
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}
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}
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/////////////////////
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/// FONCTIONS RTC ///
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/////////////////////
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void rtc_init() {
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if (! rtc.begin()) {
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Serial.println("RTC introuvable !"); // ligne de debug à commenter en prod
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delay(2000);
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errorCode(1);
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// ESP.restart();
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//while (1);
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}
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if (rtc.lostPower()) {
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Serial.println("Veuillez régler l'heure et vérifier la pile du module RTC!"); // ligne de debug à commenter en prod
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errorCode(5);
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}
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else
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{
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//DateTime now = rtc.now(); //
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Serial.println("rtc OK");
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}
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}
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//////////////////////
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/// FONCTIONS WIFI ///
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//////////////////////
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void start_wifiAP() {
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pinMode(LED_BUILTIN, OUTPUT);
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Serial.println();
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Serial.println("Configuring access point...");
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//WiFi.softAP(ssid, password); // You can remove the password parameter if you want the AP to be open.
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IPAddress myIP = WiFi.softAPIP();
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Serial.print("AP IP address: ");
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Serial.println(myIP);
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server.begin();
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Serial.println("Server started");
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}
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void wifi_AP() { // ajouter menu vitesse et fréquence d'écriture
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WiFiClient client = server.available(); // listen for incoming clients
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if (client) { // if you get a client,
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//Serial.println("New Client."); // print a message out the serial port
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String currentLine = ""; // make a String to hold incoming data from the client
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while (client.connected()) { // loop while the client's connected
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if (client.available()) { // if there's bytes to read from the client,
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char c = client.read(); // read a byte, then
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Serial.write(c); // print it out the serial monitor
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if (c == '\n') { // if the byte is a newline character
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// if the current line is blank, you got two newline characters in a row.
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// that's the end of the client HTTP request, so send a response:
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if (currentLine.length() == 0) {
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// HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
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// and a content-type so the client knows what's coming, then a blank line:
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client.println("HTTP/1.1 200 OK");
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client.println("Content-type:text/html");
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client.println();
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// the content of the HTTP response follows the header:
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client.print("Click <a href=\"/H\">here</a> to turn ON the LED.<br>");
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client.print("Click <a href=\"/L\">here</a> to turn OFF the LED.<br>");
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// The HTTP response ends with another blank line:
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client.println();
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// break out of the while loop:
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break;
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} else { // if you got a newline, then clear currentLine:
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currentLine = "";
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}
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} else if (c != '\r') { // if you got anything else but a carriage return character,
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currentLine += c; // add it to the end of the currentLine
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}
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// Check to see if the client request was "GET /H" or "GET /L":
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if (currentLine.endsWith("GET /H")) {
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digitalWrite(LED_BUILTIN, HIGH); // GET /H turns the LED on
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}
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if (currentLine.endsWith("GET /L")) {
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digitalWrite(LED_BUILTIN, LOW); // GET /L turns the LED off
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}
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}
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}
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// close the connection:
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client.stop();
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Serial.println("Client Disconnected.");
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}
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ESP.restart();
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}
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///////////////
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/* PAGE HTML */
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///////////////
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// Peut-être externaliser la page html dans un fichier txt
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String html ="<!DOCTYPE html> \
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<html> \
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<body> \
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<center><h1>ESP32 IFV Soft access point</h1></center> \
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<center><h2>Web Server</h2></center> \
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</body> \
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</html>";
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/////FONCTIONS COMMUNES//////
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void vigie_Wifi () {
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etat_bouton_wifi = digitalRead(bouton_wifi);
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if ( etat_bouton_wifi == HIGH && sem_wifi == false ) {
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sem_wifi = true;
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wifi_minuteur = millis();
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}
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if ( etat_bouton_wifi == HIGH && sem_wifi == true && millis() - wifi_minuteur > tempo_bouton_wifi ) {
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stop_moteur();
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stop_compteur();
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start_wifiAP();
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wifi_AP();
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}
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}
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void setup() {
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Serial.begin(9600); // serial just for feedback
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delay(3000);
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pinMode(LED,OUTPUT); // LED bouton wifi et erreurs
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pinMode(bouton_wifi, INPUT); // bouton wifi
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Serial.println("balise 0");
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rtc_init(); // RTC
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sd_init (); // initialisation de la carte SD
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sem_wifi = false; // initialisation du sémaphore
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/* compteur de pulsations */
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sem_compteur = false; // initialisation du sémaphore
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//pinMode(pulsePin,INPUT_PULLUP);
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start_compteur();
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start_moteur(); // moteur
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}
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void loop (){
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vigie_Wifi();
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compte_tour();
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scribe_sd();
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}
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