add .ino sketch

Author: Eric Thieme-Garmann

variants/sensebox_mcu_esp32s2/APOTA.ino

@@ -0,0 +1,182 @@
+#defineDISPLAY_ENABLED
+
+#include<WiFi.h>
+#include<WebServer.h>
+#include<ESPmDNS.h>
+#include<WiFiAP.h>
+#include<Update.h>
+#include<Wire.h>
+#ifdef DISPLAY_ENABLED
+#defineSCREEN_WIDTH128
+#defineSCREEN_HEIGHT64
+#defineOLED_RESET -1
+#include<Adafruit_GFX.h>
+#include<Adafruit_SSD1306.h>
+Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
+#include<Adafruit_NeoPixel.h>
+ Adafruit_NeoPixel rgb_led_1= Adafruit_NeoPixel(1, 1,NEO_GRB + NEO_KHZ800);
+
+
+#endif
+#include"esp_partition.h"
+#include"esp_ota_ops.h"
+#include"esp_system.h"
+
+String ssid;
+uint8_t mac[6];
+
+
+// Create an instance of the server
+WebServer server(80);
+bool displayEnabled;
+
+constint BUTTON_PIN = 0; // GPIO für den Button
+volatileunsignedlong lastPressTime = 0; // Zeitpunkt des letzten Drucks
+volatilebool doublePressDetected = false; // Flag für Doppeldruck
+constunsignedlong doublePressInterval = 500; // Max. Zeit (in ms) zwischen zwei Drücken für Doppeldruck
+volatileint pressCount = 0; // Zählt die Button-Drucke
+
+void IRAM_ATTR handleButtonPress(){
+unsignedlong currentTime = millis(); // Hole aktuelle Zeit
+
+// Vermeidung von Prellen: Wenn der aktuelle Druck zu nahe am letzten liegt, ignoriere ihn
+if (currentTime - lastPressTime > 50){
+ pressCount++; // Zähle den Button-Druck
+ lastPressTime = currentTime; // Aktualisiere die Zeit des letzten Drückens
+
+// Überprüfe, ob dies der zweite Druck innerhalb des Double-Press-Intervalls ist
+if (pressCount == 2 && (currentTime - lastPressTime <= doublePressInterval)){
+ doublePressDetected = true; // Doppeldruck erkannt
+ pressCount = 0; // Zähler zurücksetzen
+ }
+ }
+}
+
+// Funktion zum Wechseln der Boot-Partition auf OTA1
+voidsetBootPartitionToOTA0(){
+constesp_partition_t* ota0_partition = esp_partition_find_first(
+ ESP_PARTITION_TYPE_APP, ESP_PARTITION_SUBTYPE_APP_OTA_0, NULL);
+
+if (ota0_partition){
+// Setze OTA1 als neue Boot-Partition
+esp_ota_set_boot_partition(ota0_partition);
+ Serial.println("Boot partition changed to OTA0. Restarting...");
+
+// Neustart, um von der neuen Partition zu booten
+esp_restart();
+ } else{
+ Serial.println("OTA1 partition not found!");
+ }
+}
+
+voidsetupDisplay(){
+ displayEnabled = display.begin(SSD1306_SWITCHCAPVCC, 0x3D);
+if(displayEnabled){
+ display.display();
+delay(100);
+ display.clearDisplay();
+ }
+}
+
+voiddisplaySSID(){
+ display.setCursor(0, 0);
+ display.setTextSize(1);
+ display.setTextColor(WHITE, BLACK);
+ display.println("Verbinde dich mit dem Access Point:");
+ display.setTextSize(1);
+ display.println();
+ display.setCursor(10, 32);
+ display.println(ssid);
+ display.display();
+ display.clearDisplay();
+}
+
+voidsetupWiFi(){
+ WiFi.macAddress(mac);
+char macLastFour[5];
+snprintf(macLastFour, sizeof(macLastFour), "%02X%02X", mac[4], mac[5]);
+ ssid = "senseBox:" + String(macLastFour);
+
+// Definiere die IP-Adresse, Gateway und Subnetzmaske
+ IPAddress local_IP(192.168.1.1); // Die neue IP-Adresse
+ IPAddress gateway(192.168.1.1); // Gateway-Adresse (kann gleich der IP des APs sein)
+ IPAddress subnet(255.255.255.0); // Subnetzmaske
+
+// Setze die IP-Adresse, Gateway und Subnetzmaske des Access Points
+ WiFi.softAPConfig(local_IP, gateway, subnet);
+
+// Starte den Access Point
+ WiFi.softAP(ssid.c_str());
+}
+
+voidsetupOTA(){
+// Handle updating process
+ server.on("/sketch", HTTP_POST, [](){
+ server.sendHeader("Connection", "close");
+ server.send(200, "text/plain", (Update.hasError()) ? "FAIL" : "OK");
+ ESP.restart();
+ }, [](){
+ HTTPUpload& upload = server.upload();
+
+if (upload.status == UPLOAD_FILE_START){
+ Serial.setDebugOutput(true);
+ Serial.printf("Update: %s\n", upload.filename.c_str());
+if (!Update.begin(UPDATE_SIZE_UNKNOWN)){//start with max available size
+ Update.printError(Serial);
+ }
+ } elseif (upload.status == UPLOAD_FILE_WRITE){
+/* flashing firmware to ESP*/
+if (Update.write(upload.buf, upload.currentSize) != upload.currentSize){
+ Update.printError(Serial);
+ }
+ } elseif (upload.status == UPLOAD_FILE_END){
+if (Update.end(true)){//true to set the size to the current progress
+ Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
+ } else{
+ Update.printError(Serial);
+ }
+ Serial.setDebugOutput(false);
+ }
+yield();
+ });
+}
+
+voidsetup(){
+// Start Serial communication
+ Serial.begin(115200);
+ rgb_led_1.begin();
+ rgb_led_1.setBrightness(30);
+ rgb_led_1.setPixelColor(0,rgb_led_1.Color(51, 51, 255));
+ rgb_led_1.show();
+
+// Button-Pin als Input konfigurieren
+pinMode(BUTTON_PIN, INPUT_PULLUP);
+
+// Interrupt für den Button
+attachInterrupt(digitalPinToInterrupt(BUTTON_PIN), handleButtonPress, FALLING);
+
+ #ifdef DISPLAY_ENABLED
+setupDisplay();
+ #endif
+setupWiFi();
+// Set the ESP32 as an access point
+setupOTA();
+ server.begin();
+}
+
+voidloop(){
+// Handle client requests
+ server.handleClient();
+
+ #ifdef DISPLAY_ENABLED
+displaySSID();
+ #endif
+
+if (doublePressDetected){
+ Serial.println("Doppeldruck erkannt!");
+setBootPartitionToOTA0();
+// Neustart, um von der neuen Partition zu booten
+esp_restart();
+
+ }
+}