70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
/*
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To upload through terminal you can use: curl -F "image=@firmware.bin" esp8266-webupdate.local/update
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*/
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#include <WiFi.h>
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#include <WiFiClient.h>
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#include <WebServer.h>
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#include <ESPmDNS.h>
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#include <Update.h>
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const char* host = "esp32-webupdate";
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const char* ssid = "........";
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const char* password = "........";
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WebServer server(80);
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const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
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void setup(void) {
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Serial.begin(115200);
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Serial.println();
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Serial.println("Booting Sketch...");
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WiFi.mode(WIFI_AP_STA);
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WiFi.begin(ssid, password);
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if (WiFi.waitForConnectResult() == WL_CONNECTED) {
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MDNS.begin(host);
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server.on("/", HTTP_GET, []() {
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server.sendHeader("Connection", "close");
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server.send(200, "text/html", serverIndex);
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});
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server.on("/update", HTTP_POST, []() {
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server.sendHeader("Connection", "close");
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server.send(200, "text/plain", (Update.hasError()) ? "FAIL" : "OK");
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ESP.restart();
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}, []() {
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HTTPUpload& upload = server.upload();
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if (upload.status == UPLOAD_FILE_START) {
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Serial.setDebugOutput(true);
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Serial.printf("Update: %s\n", upload.filename.c_str());
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if (!Update.begin()) { //start with max available size
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Update.printError(Serial);
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}
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} else if (upload.status == UPLOAD_FILE_WRITE) {
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if (Update.write(upload.buf, upload.currentSize) != upload.currentSize) {
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Update.printError(Serial);
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}
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} else if (upload.status == UPLOAD_FILE_END) {
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if (Update.end(true)) { //true to set the size to the current progress
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Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
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} else {
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Update.printError(Serial);
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}
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Serial.setDebugOutput(false);
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} else {
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Serial.printf("Update Failed Unexpectedly (likely broken connection): status=%d\n", upload.status);
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}
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});
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server.begin();
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MDNS.addService("http", "tcp", 80);
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Serial.printf("Ready! Open http://%s.local in your browser\n", host);
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} else {
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Serial.println("WiFi Failed");
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}
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}
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void loop(void) {
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server.handleClient();
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delay(2);//allow the cpu to switch to other tasks
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}
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