Update na verzi 3.7.2. POZOR: vyzaduje do platformio.ini doplnit lib_compat_mode = strict

examples/PartitionDownloader/PartitionDownloader.ino

@@ -0,0 +1,130 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+// Copyright 2016-2025 Hristo Gochkov, Mathieu Carbou, Emil Muratov
+
+//
+// - Download ESP32 partition by name and/or type and/or subtype
+// - Support encrypted and non-encrypted partitions
+//
+
+#include <Arduino.h>
+#ifdef ESP32
+#include <AsyncTCP.h>
+#include <WiFi.h>
+#elif defined(ESP8266)
+#include <ESP8266WiFi.h>
+#include <ESPAsyncTCP.h>
+#elif defined(TARGET_RP2040) || defined(TARGET_RP2350) || defined(PICO_RP2040) || defined(PICO_RP2350)
+#include <RPAsyncTCP.h>
+#include <WiFi.h>
+#endif
+
+#include <ESPAsyncWebServer.h>
+#include <LittleFS.h>
+
+#ifndef ESP32
+// this example is only for the ESP32
+void setup() {}
+void loop() {}
+#else
+
+#include <esp_partition.h>
+
+static AsyncWebServer server(80);
+
+void setup() {
+  Serial.begin(115200);
+
+#ifndef CONFIG_IDF_TARGET_ESP32H2
+  WiFi.mode(WIFI_AP);
+  WiFi.softAP("esp-captive");
+#endif
+
+  LittleFS.begin(true);
+
+  // To upload the FS partition, run:
+  // > pio run -e arduino-3 -t buildfs
+  // > pio run -e arduino-3 -t uploadfs
+  //
+  // Examples:
+  //
+  // - Download the partition named "spiffs": http://192.168.4.1/partition?label=spiffs
+  // - Download the partition named "spiffs" with type "data": http://192.168.4.1/partition?label=spiffs&type=1
+  // - Download the partition named "spiffs" with type "data" and subtype "spiffs": http://192.168.4.1/partition?label=spiffs&type=1&subtype=130
+  // - Download the partition with subtype "nvs": http://192.168.4.1/partition?type=1&subtype=2
+  //
+  // "type" and "subtype" IDs can be found in esp_partition.h header file.
+  //
+  // Add "&raw=false" parameter to download the partition unencrypted (for encrypted partitions).
+  // By default, the raw partition is downloaded, so if a partition is encrypted, the encrypted data will be downloaded.
+  //
+  // To browse a downloaded LittleFS partition, you can use https://tniessen.github.io/littlefs-disk-img-viewer/ (block size is 4096)
+  //
+  server.on("/partition", HTTP_GET, [](AsyncWebServerRequest *request) {
+    const AsyncWebParameter *pLabel = request->getParam("label");
+    const AsyncWebParameter *pType = request->getParam("type");
+    const AsyncWebParameter *pSubtype = request->getParam("subtype");
+    const AsyncWebParameter *pRaw = request->getParam("raw");
+
+    if (!pLabel && !pType && !pSubtype) {
+      request->send(400, "text/plain", "Bad request: missing parameter");
+      return;
+    }
+
+    esp_partition_type_t type = ESP_PARTITION_TYPE_ANY;
+    esp_partition_subtype_t subtype = ESP_PARTITION_SUBTYPE_ANY;
+    const char *label = nullptr;
+    bool raw = true;
+
+    if (pLabel) {
+      label = pLabel->value().c_str();
+    }
+
+    if (pType) {
+      type = (esp_partition_type_t)pType->value().toInt();
+    }
+
+    if (pSubtype) {
+      subtype = (esp_partition_subtype_t)pSubtype->value().toInt();
+    }
+
+    if (pRaw && pRaw->value() == "false") {
+      raw = false;
+    }
+
+    const esp_partition_t *partition = esp_partition_find_first(type, subtype, label);
+
+    if (!partition) {
+      request->send(404, "text/plain", "Partition not found");
+      return;
+    }
+
+    AsyncWebServerResponse *response =
+      request->beginChunkedResponse("application/octet-stream", [partition, raw](uint8_t *buffer, size_t maxLen, size_t index) -> size_t {
+        const size_t remaining = partition->size - index;
+        if (!remaining) {
+          return 0;
+        }
+        const size_t len = std::min(maxLen, remaining);
+        if (raw && esp_partition_read_raw(partition, index, buffer, len) == ESP_OK) {
+          return len;
+        }
+        if (!raw && esp_partition_read(partition, index, buffer, len) == ESP_OK) {
+          return len;
+        }
+        return 0;
+      });
+
+    response->addHeader("Content-Disposition", "attachment; filename=" + String(partition->label) + ".bin");
+    response->setContentLength(partition->size);
+
+    request->send(response);
+  });
+
+  server.begin();
+}
+
+void loop() {
+  delay(100);
+}
+
+#endif