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800794de37
Replaces abandoned #1817 and #2694 Add optional std::function callback (so it supports lambdas and normal functions) via ::onStart, ::onEnd, ::onProgress, and ::onError methods. Update example with their use. From @baruch's original pull request: The callback is called when the upgrade actually starts rather than just the initial query so that the user can know that it will not take longer and can also prepare for the upgrade by shutting down other works. From @karlp's original pull request: Incomplete: I've not updated any documentation yet. If this style looks good, I'll happily go and update the documentation (likewise for the examples)
103 lines
2.5 KiB
C++
103 lines
2.5 KiB
C++
/**
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httpUpdate.ino
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Created on: 27.11.2015
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*/
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#include <Arduino.h>
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#include <ESP8266WiFi.h>
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#include <ESP8266WiFiMulti.h>
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#include <ESP8266HTTPClient.h>
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#include <ESP8266httpUpdate.h>
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#define USE_SERIAL Serial
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#ifndef APSSID
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#define APSSID "APSSID"
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#define APPSK "APPSK"
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#endif
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ESP8266WiFiMulti WiFiMulti;
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void setup() {
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USE_SERIAL.begin(115200);
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// USE_SERIAL.setDebugOutput(true);
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USE_SERIAL.println();
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USE_SERIAL.println();
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USE_SERIAL.println();
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for (uint8_t t = 4; t > 0; t--) {
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USE_SERIAL.printf("[SETUP] WAIT %d...\n", t);
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USE_SERIAL.flush();
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delay(1000);
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}
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WiFi.mode(WIFI_STA);
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WiFiMulti.addAP(APSSID, APPSK);
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}
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void update_started() {
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USE_SERIAL.println("CALLBACK: HTTP update process started");
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}
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void update_finished() {
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USE_SERIAL.println("CALLBACK: HTTP update process finished");
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}
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void update_progress(int cur, int total) {
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USE_SERIAL.printf("CALLBACK: HTTP update process at %d of %d bytes...\n", cur, total);
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}
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void update_error(int err) {
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USE_SERIAL.printf("CALLBACK: HTTP update fatal error code %d\n", err);
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}
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void loop() {
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// wait for WiFi connection
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if ((WiFiMulti.run() == WL_CONNECTED)) {
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WiFiClient client;
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// The line below is optional. It can be used to blink the LED on the board during flashing
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// The LED will be on during download of one buffer of data from the network. The LED will
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// be off during writing that buffer to flash
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// On a good connection the LED should flash regularly. On a bad connection the LED will be
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// on much longer than it will be off. Other pins than LED_BUILTIN may be used. The second
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// value is used to put the LED on. If the LED is on with HIGH, that value should be passed
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ESPhttpUpdate.setLedPin(LED_BUILTIN, LOW);
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// Add optional callback notifiers
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ESPhttpUpdate.onStart(update_started);
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ESPhttpUpdate.onEnd(update_finished);
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ESPhttpUpdate.onProgress(update_progress);
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ESPhttpUpdate.onError(update_error);
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t_httpUpdate_return ret = ESPhttpUpdate.update(client, "http://server/file.bin");
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// Or:
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//t_httpUpdate_return ret = ESPhttpUpdate.update(client, "server", 80, "file.bin");
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switch (ret) {
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case HTTP_UPDATE_FAILED:
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USE_SERIAL.printf("HTTP_UPDATE_FAILD Error (%d): %s\n", ESPhttpUpdate.getLastError(), ESPhttpUpdate.getLastErrorString().c_str());
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break;
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case HTTP_UPDATE_NO_UPDATES:
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USE_SERIAL.println("HTTP_UPDATE_NO_UPDATES");
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break;
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case HTTP_UPDATE_OK:
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USE_SERIAL.println("HTTP_UPDATE_OK");
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break;
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}
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}
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}
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