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@@ -8,6 +8,8 @@
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#include "SPI.h"
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#include "Arduino.h"
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#include "math.h"
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+#include "WiFi.h"
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+#include "WebServer.h"
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/*
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Uncomment and set up if you want to use custom pins for the SPI communication
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@@ -66,6 +68,13 @@ SensorData datosAntiguos;
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SemaphoreHandle_t dataMutex; // Mutex para proteger el acceso a latestData
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SemaphoreHandle_t buttonSemaphore; // Semáforo para la tarea del botón
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+WebServer server(80);
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+
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+bool wifiActivado = false;
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+unsigned long wifiLastActivity = 0;
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+const unsigned long WIFI_TIMEOUT_MS = 300000; // 5 minutos
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+const char* apSSID = "ESP32_GPS_Logger";
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+const char* apPassword = "12345678";
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bool grabando = false; //inicia apagado
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bool finalizado = true; //indica que no hay ninguna grabacion ni iniciada ni pausada
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TaskHandle_t medicionesHandle = NULL; //para suspend/resume
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@@ -255,6 +264,61 @@ void cerrar_archivo() {
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}
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}
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+void activarWiFi(){
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+ OLED_print("WiFi","Activando...");
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+
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+ WiFi.mode(WIFI_AP);
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+ WiFi.softAP(apSSID, apPassword);
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+
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+ IPAddress IP = WiFi.softAPIP();
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+ OLED_print("WiFi Activo", IP.toString());
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+ delay(2000);
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+
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+ server.on("/", HTTP_GET, []() {
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+ wifiLastActivity = millis();
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+ String html = "<!DOCTYPE html><html><head><meta charset='UTF-8'><title>ESP32 GPS Logger</title>";
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+ html += "<style>body{font-family:Arial;text-align:center;margin:50px;}";
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+ html += "h1{color:#333;} a.button{background:#4CAF50;color:white;padding:20px 40px;";
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+ html += "text-decoration:none;font-size:24px;border-radius:12px;display:inline-block;margin:20px;}</style></head>";
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+ html += "<body><h1>GPS Logger</h1><p>Archivo listo para descargar:</p>";
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+ html += "<a href='/download' class='button' download>Descargar " + String(filename).substring(1) + "</a>";
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+ html += "<hr><p>IP: " + WiFi.softAPIP().toString() + "</p>";
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+ html += "<p>Se apagará en 5 min sin uso.</p></body></html>";
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+ server.send(200, "text/html", html);
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+ });
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+
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+ server.on("/download",HTTP_GET, []() {
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+ wifiLastActivity = millis();
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+
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+ if (!SD.exists(filename)) {
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+ server.send(404, "text/plain", "Archivo no encontrado");
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+ return;
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+ }
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+
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+ File file = SD.open(filename, FILE_READ);
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+ if (!file) {
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+ server.send(404, "text/plain", "Error al abrir el archivo");
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+ return;
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+ }
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+
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+ server.streamFile(file, "application/gpx+xml");
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+ file.close();
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+ });
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+
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+ server.begin();
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+ wifiActivado = true;
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+ wifiLastActivity = millis();
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+
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+}
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+
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+void desactivarWiFi(){
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+ server.stop();
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+ WiFi.softAPdisconnect(true);
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+ WiFi.mode(WIFI_OFF);
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+ wifiActivado = false;
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+ OLED_print("WiFi","Apagado");
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+}
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+
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void IRAM_ATTR isr_button() {
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unsigned long now = millis();
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if (now < ignore_isr_until) {
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@@ -366,7 +430,12 @@ void task_ui(void *pvParameters){
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finalizado = true;
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break;
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case 2:
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- //implementacion blutuch
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+ //implementacion wifi
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+ if(!wifiActivado){
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+ activarWiFi();
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+ } else {
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+ desactivarWiFi();
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+ }
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break;
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}
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} else {
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@@ -384,7 +453,7 @@ void task_ui(void *pvParameters){
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pantallaEstado_menu += 1;
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case 2:
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if (finalizado) {
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- OLED_print("Conexion","blutuch 'WIP'");
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+ OLED_print("Conexion","wifi 'WIP'");
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break;
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}
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pantallaEstado_menu += 1;
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@@ -401,6 +470,18 @@ void task_ui(void *pvParameters){
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display.ssd1306_command(SSD1306_DISPLAYOFF); //se apaga la pantalla
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pantallaOn = false;
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}
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+ //check wifi timeout
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+ if (wifiActivado){
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+ server.handleClient();
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+
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+ if (WiFi.softAPgetStationNum() > 0){
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+ wifiLastActivity = millis(); //reset si hay clientes conectados
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+ }
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+
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+ if ((millis() - wifiLastActivity) > WIFI_TIMEOUT_MS){
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+ desactivarWiFi();
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+ }
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+ }
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}
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}
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