Hallo,
ich moechte meinen ESP32 und ESP8266 ueber eine Datei im Filesystem
updaten, dazu habe ich folgende Funktion geschrieben
1 | void performUpdate(Stream &updateSource, size_t updateSize) {
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2 | if (Update.begin(updateSize)) {
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3 | size_t written = Update.writeStream(updateSource);
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4 | if (written == updateSize) {
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5 | Serial.println("Written : " + String(written) + " successfully");
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6 | }
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7 | else {
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8 | Serial.println("Written only : " + String(written) + "/" + String(updateSize) + ". Retry?");
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9 | }
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10 | if (Update.end()) {
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11 | Serial.println(F("OTA done!"));
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12 | if (Update.isFinished()) {
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13 | Serial.println(F("Update successfully completed. Rebooting."));
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14 | }
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15 | else {
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16 | Serial.println(F("Update not finished? Something went wrong!"));
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17 | }
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18 | }
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19 | else {
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20 | Serial.println("Error Occurred. Error #: " + String(Update.getError()));
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21 | }
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22 |
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23 | }
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24 | else
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25 | {
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26 | Serial.println(F("Not enough space to begin OTA"));
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27 | }
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28 | }
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29 |
|
30 | void updateFromFS() {
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31 | File updateBin = LittleFS.open("/update.bin","r");
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32 | if (updateBin) {
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33 | if(updateBin.isDirectory()){
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34 | Serial.println("Error, update.bin is not a file");
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35 | updateBin.close();
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36 | return;
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37 | }
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38 |
|
39 | size_t updateSize = updateBin.size();
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40 |
|
41 | if (updateSize > 0) {
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42 | Serial.println("Try to start update");
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43 | performUpdate(updateBin, updateSize);
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44 | }
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45 | else {
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46 | Serial.println("Error, file is empty");
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47 | }
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48 |
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49 | updateBin.close();
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50 |
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51 | // whe finished remove the binary from sd card to indicate end of the process
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52 | LittleFS.remove("/update.bin");
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53 | }
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54 | else {
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55 | Serial.println("Could not load update.bin from sd root");
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56 | }
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57 | }
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Allerdings stuerzt dabei mein ESP32 und auch der ESP8266 ab - macht
einen reboot.
Was mache ich falsch bei der VErwendung?
