Added OTA Web Server

include/WebOTA.h

@@ -0,0 +1,6 @@
+class WebOTA {
+public:
+    WebOTA(int port);
+    void setup();
+    void loop();
+};

platformio.ini

@@ -13,7 +13,12 @@ platform = espressif32
 board = esp32dev
 framework = arduino
 
+[env:featheresp32 OTA]
+platform = espressif32
+board = esp32dev
+framework = arduino
+
 ; OTA
 ; https://docs.platformio.org/en/latest/platforms/espressif8266.html#over-the-air-ota-update
 upload_protocol = espota
-upload_port = Hexapod
+upload_port = hexapod

src/WebOTA.cpp

@@ -0,0 +1,69 @@
+/* --------------------------------------------- *
+ * Code from http://esp32-server.de/webupdate/   *
+ * --------------------------------------------- */
+
+#include "WebOTA.h"
+#include <Arduino.h>
+#include <Update.h>
+#include <WebServer.h>
+
+WebServer* server;
+
+const char* serverIndex = "\
+    <form method='POST' action='/update' enctype='multipart/form-data'>\
+      <input type='file' name='update'>\
+      <input type='submit' value='Update'>\
+    </form>";
+
+WebOTA::WebOTA(int port) {
+    server = new WebServer(port);
+}
+
+void WebOTA::setup() {
+
+    auto rootHandlerFunc = []() {
+        server->sendHeader("Connection", "close");
+        server->send(200, "text/html", serverIndex);
+    };
+    auto updateHandlerFunc = []() {
+        server->sendHeader("Connection", "close");
+        server->send(200, "text/plain", (Update.hasError()) ? "NOK" : "OK");
+        delay(1000);
+        ESP.restart();
+    };
+    auto updateHandlerUFunc = [&]() {
+        HTTPUpload& upload = server->upload();
+        if (upload.status == UPLOAD_FILE_START) {
+            Serial.setDebugOutput(true);
+            Serial.printf("Update: %s\n", upload.filename.c_str());
+            uint32_t maxSketchSpace = (1048576 - 0x1000) & 0xFFFFF000;
+            if (!Update.begin(maxSketchSpace)) { // start with max available size
+                Update.printError(Serial);
+            }
+        }
+        else if (upload.status == UPLOAD_FILE_WRITE) {
+            if (Update.write(upload.buf, upload.currentSize) != upload.currentSize) {
+                Update.printError(Serial);
+            }
+        }
+        else if (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();
+    };
+
+    server->on("/", HTTP_GET, rootHandlerFunc);
+    server->on("/update", HTTP_POST, updateHandlerFunc, updateHandlerUFunc);
+    server->begin();
+    Serial.println("HTTP Server started");
+};
+
+void WebOTA::loop() {
+    server->handleClient();
+}

src/main.cpp

@@ -1,6 +1,7 @@
 #include "FlashConfig.h"
 #include "OSCRemote.h"
 #include "Vbat.h"
+#include "WebOTA.h"
 #include "body.h"
 #include "settings.h"
 #include <ArduinoOTA.h>
@@ -11,6 +12,7 @@ Body body = Body::instance();
 FlashConfig config;
 std::unique_ptr<IRemote> remote;
 Vbat vbat;
+WebOTA webOTA(80);
 
 void servoTest() {
     for (uint8_t legnum = 0; legnum < body.legs.size(); legnum++) {
@@ -116,6 +118,7 @@ void setup() {
             Serial.println("End Failed");
     });
 
+    webOTA.setup();
     ArduinoOTA.begin();
 }
 
@@ -125,5 +128,6 @@ void loop() {
     remote->loop();
 
     body.healthCheck();
+    webOTA.loop();
     ArduinoOTA.handle();
 }