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improve docs

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see #1120
This commit is contained in:
Markus Sattler 2015-12-01 17:13:00 +01:00
parent ee77b6fafe
commit ac143b463b
1 changed files with 8 additions and 2 deletions
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10
doc/ota_updates/ota_updates.md
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@ -79,7 +79,13 @@ void onError(OTA_CALLBACK_ERROR (fn));
### Basic Requirements
- Flash chip size is 2x the size of the sketch.
Flash chip size needs a size thats is able to hold the old sketch (currently running) and the new sketch (OTA) at the same time.
keep in mind that the File system and EEPROM for example needs space too (one time) see [flash layout](https://github.com/esp8266/Arduino/blob/master/doc/filesystem.md#flash-layout).
```cpp
ESP.getFreeSketchSpace();
```
can be used for checking the free space for the new sketch.
The following chapters provide more details and specific methods of doing OTA.
@ -318,7 +324,7 @@ Example header data:
[HTTP_X_ESP8266_AP_MAC] => 1A:FE:AA:AA:AA:AA
[HTTP_X_ESP8266_FREE_SPACE] => 671744
[HTTP_X_ESP8266_SKETCH_SIZE] => 373940
[HTTP_X_ESP8266_CHIP_SIZE] => 524288
[HTTP_X_ESP8266_CHIP_SIZE] => 4194304
[HTTP_X_ESP8266_SDK_VERSION] => 1.3.0
[HTTP_X_ESP8266_VERSION] => DOOR-7-g14f53a19
```