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--- arduino:esp32-api3-en [2025/05/21 07:35] – rjversluis
+++ arduino:esp32-api3-en [2025/05/21 09:43] (current) – rjversluis
@@ Line 1: / Line 1: @@
-======WIO ESP32 API 3======
+======WIO ESP32 API 3.x======
+[[:wio:overview-en|{{ :wio:wiologo.png}}]]
+[[:english|Content]] -> [[:arduino:wio-overview-en|WIO Overview]]
+  * [[:arduino:wio-overview-en|WIO Overview]] | [[:arduino:wio-setup-en|WIO Setup]] | [[:arduino:wioctrl-en|WIO Control]] | [[:arduino:amp-en|User Bitmaps]] | [[:arduino:wio-en|WIO Firmware]] | [[:wio:wio-ledscript-en|LEDScript]] | [[:wio:wio-ioscript-en|IOScript]]
+  * [[:arduino:wio-rascii-en|WIO RASCII]] | [[:arduino:wio-canprot-en|WIO CAN Protocol]]
+  * [[https://i2cdevices.org/addresses|I2C Device Addresses]]
+  * **[[:arduino:esp32-api3-en|ESP32 API 3.x]]**
+ \\
+|  Due to OTA/mDNS compile errors WIO ESP32 cannot use API 3.x  |
  \\
@@ Line 6: / Line 14: @@
 Moving from API 2.0.17 to 3.x.\\
 Espressive massively broke the compatibility from 2.x to 3.x which is the main reason to stick with 2.0.17\\
+Changes are saved in a separate branch: https://gitlab.com/rocrail/wio/-/tree/ESP32_API3?ref_type=heads \\
  \\
@@ Line 11: / Line 21: @@
 =====Libraries=====
 ====ESP32CAN====
+  * https://github.com/miwagner/ESP32-Arduino-CAN
 Replace the missing include file in CAN.c line 37
 <code cpp>
@@ Line 20: / Line 31: @@
 </code>
+ \\
+=====Show stopper OTA/mDNS=====
+The API 3.x is not consistent and cannot compile itself:
+<code>
+In file included from ~/Library/Arduino15/packages/esp32/hardware/esp32/3.2.0/libraries/ArduinoOTA/src/ArduinoOTA.cpp:21:
+~/Library/Arduino15/packages/esp32/hardware/esp32/3.2.0/libraries/ESPmDNS/src/ESPmDNS.h:125:3: error: 'mdns_result_t' does not name a type
+|   mdns_result_t *results;
+      |   ^~~~~~~~~~~~~
+~/Library/Arduino15/packages/esp32/hardware/esp32/3.2.0/libraries/ESPmDNS/src/ESPmDNS.h:126:3: error: 'mdns_result_t' does not name a type
+|   mdns_result_t *_getResult(int idx);
+      |   ^~~~~~~~~~~~~
+~/Library/Arduino15/packages/esp32/hardware/esp32/3.2.0/libraries/ESPmDNS/src/ESPmDNS.h:127:3: error: 'mdns_txt_item_t' does not name a type
+|   mdns_txt_item_t *_getResultTxt(int idx, int txtIdx);
+      |   ^~~~~~~~~~~~~~~
+exit status 1
+</code>
+This blocks the WIO ESP32 migration from 2.x to 3.x.\\
+ \\
+=====Links=====
+  * https://docs.espressif.com/projects/arduino-esp32/en/latest/migration_guides/2.x_to_3.0.html