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httpUpdate.ino
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/**
httpUpdate.ino
Created on: 27.11.2015
*/
#include <Arduino.h>
#include <ESP8266WiFi.h>
#include <ESP8266WiFiMulti.h>
#include <ESP8266HTTPClient.h>
#include <ESP8266httpUpdate.h>
#ifndef APSSID
#define APSSID "APSSID"
#define APPSK "APPSK"
#endif
ESP8266WiFiMulti WiFiMulti;
void setup() {
Serial.begin(115200);
// Serial.setDebugOutput(false);
Serial.println();
ESPhttpUpdate.setClientTimeout(2000); // default was 8000
WiFi.mode(WIFI_STA);
WiFiMulti.addAP(APSSID, APPSK);
}
void update_started() {
Serial.println("CALLBACK: HTTP update process started");
}
void update_finished() {
Serial.println("CALLBACK: HTTP update process finished");
}
void update_progress(int cur, int total) {
Serial.printf("CALLBACK: HTTP update process at %d of %d bytes...\n", cur, total);
}
void update_error(int err) {
Serial.printf("CALLBACK: HTTP update fatal error code %d\n", err);
}
void loop() {
// wait for WiFi connection
if ((WiFiMulti.run() == WL_CONNECTED)) {
WiFiClient client;
// The line below is optional. It can be used to blink the LED on the board during flashing
// The LED will be on during download of one buffer of data from the network. The LED will
// be off during writing that buffer to flash
// On a good connection the LED should flash regularly. On a bad connection the LED will be
// on much longer than it will be off. Other pins than LED_BUILTIN may be used. The second
// value is used to put the LED on. If the LED is on with HIGH, that value should be passed
ESPhttpUpdate.setLedPin(LED_BUILTIN, LOW);
// Add optional callback notifiers
ESPhttpUpdate.onStart(update_started);
ESPhttpUpdate.onEnd(update_finished);
ESPhttpUpdate.onProgress(update_progress);
ESPhttpUpdate.onError(update_error);
t_httpUpdate_return ret = ESPhttpUpdate.update(client, "http://server/file.bin");
// Or:
// t_httpUpdate_return ret = ESPhttpUpdate.update(client, "server", 80, "file.bin");
switch (ret) {
case HTTP_UPDATE_FAILED: Serial.printf("HTTP_UPDATE_FAILD Error (%d): %s\n", ESPhttpUpdate.getLastError(), ESPhttpUpdate.getLastErrorString().c_str()); break;
case HTTP_UPDATE_NO_UPDATES: Serial.println("HTTP_UPDATE_NO_UPDATES"); break;
case HTTP_UPDATE_OK: Serial.println("HTTP_UPDATE_OK"); break;
}
}
}