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esp32: add support for ESP-IDF v5.5 #140

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esp32: add support for ESP-IDF v5.5 #140

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@zachwelch zachwelch commented Aug 4, 2025

This PR improves the newly merged ESP32 support from #139 by adding compatibility for the newer ESP-IDF v5.x. The version now in master uses the older variants of the LEDC APIs, which received incompatible changes as described in the Arduino ESP32 project's 2.x-to-3.0 migration guide.

These changes aim to provide compatibility with both versions of arduino-esp32, though I have only tested them with the newer version.

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CLAassistant commented Aug 4, 2025 •
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github-actions bot commented Aug 4, 2025

Memory usage change @ e0d26d1

Board flash % RAM for global variables %
arduino:avr:leonardo 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:avr:mega 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:avr:nano 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:esp32:nano_nora 🔺 +8 - +8 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:mbed_nano:nano33ble 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:mbed_nano:nanorp2040connect 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:mbed_portenta:envie_m7 N/A N/A N/A N/A
arduino:mbed_portenta:envie_m7:target_core=cm4 N/A N/A N/A N/A
arduino:megaavr:nona4809 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:sam:arduino_due_x_dbg 0 - 0 0.0 - 0.0 N/A N/A
arduino:samd:mkrzero 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
Click for full report table
Board examples/Knob
flash		 % examples/Knob
RAM for global variables		 % examples/Sweep
flash		 % examples/Sweep
RAM for global variables		 %
arduino:avr:leonardo 0 0.0 0 0.0 0 0.0 0 0.0
arduino:avr:mega 0 0.0 0 0.0 0 0.0 0 0.0
arduino:avr:nano 0 0.0 0 0.0 0 0.0 0 0.0
arduino:esp32:nano_nora 8 0.0 0 0.0 8 0.0 0 0.0
arduino:mbed_nano:nano33ble 0 0.0 0 0.0 0 0.0 0 0.0
arduino:mbed_nano:nanorp2040connect 0 0.0 0 0.0 0 0.0 0 0.0
arduino:mbed_portenta:envie_m7 N/A N/A N/A N/A N/A N/A N/A N/A
arduino:mbed_portenta:envie_m7:target_core=cm4 N/A N/A N/A N/A N/A N/A N/A N/A
arduino:megaavr:nona4809 0 0.0 0 0.0 0 0.0 0 0.0
arduino:sam:arduino_due_x_dbg 0 0.0 N/A N/A 0 0.0 N/A N/A
arduino:samd:mkrzero 0 0.0 0 0.0 0 0.0 0 0.0
Click for full report CSV 
Board,examples/Knob<br>flash,%,examples/Knob<br>RAM for global variables,%,examples/Sweep<br>flash,%,examples/Sweep<br>RAM for global variables,%
arduino:avr:leonardo,0,0.0,0,0.0,0,0.0,0,0.0
arduino:avr:mega,0,0.0,0,0.0,0,0.0,0,0.0
arduino:avr:nano,0,0.0,0,0.0,0,0.0,0,0.0
arduino:esp32:nano_nora,8,0.0,0,0.0,8,0.0,0,0.0
arduino:mbed_nano:nano33ble,0,0.0,0,0.0,0,0.0,0,0.0
arduino:mbed_nano:nanorp2040connect,0,0.0,0,0.0,0,0.0,0,0.0
arduino:mbed_portenta:envie_m7,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A
arduino:mbed_portenta:envie_m7:target_core=cm4,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A
arduino:megaavr:nona4809,0,0.0,0,0.0,0,0.0,0,0.0
arduino:sam:arduino_due_x_dbg,0,0.0,N/A,N/A,0,0.0,N/A,N/A
arduino:samd:mkrzero,0,0.0,0,0.0,0,0.0,0,0.0

@zachwelch
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zachwelch commented Aug 4, 2025

After reviewing this PR again today, I noticed a minor simplification to my original changes. Pushed separately for review, but I would be happy to see it squashed it into the previous commit before merging.

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github-actions bot commented Aug 4, 2025

Memory usage change @ bc04784

Board flash % RAM for global variables %
arduino:avr:leonardo 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:avr:mega 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:avr:nano 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:esp32:nano_nora 🔺 +8 - +8 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:mbed_nano:nano33ble 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:mbed_nano:nanorp2040connect 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:mbed_portenta:envie_m7 N/A N/A N/A N/A
arduino:mbed_portenta:envie_m7:target_core=cm4 N/A N/A N/A N/A
arduino:megaavr:nona4809 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:sam:arduino_due_x_dbg 0 - 0 0.0 - 0.0 N/A N/A
arduino:samd:mkrzero 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
Click for full report table
Board examples/Knob
flash		 % examples/Knob
RAM for global variables		 % examples/Sweep
flash		 % examples/Sweep
RAM for global variables		 %
arduino:avr:leonardo 0 0.0 0 0.0 0 0.0 0 0.0
arduino:avr:mega 0 0.0 0 0.0 0 0.0 0 0.0
arduino:avr:nano 0 0.0 0 0.0 0 0.0 0 0.0
arduino:esp32:nano_nora 8 0.0 0 0.0 8 0.0 0 0.0
arduino:mbed_nano:nano33ble 0 0.0 0 0.0 0 0.0 0 0.0
arduino:mbed_nano:nanorp2040connect 0 0.0 0 0.0 0 0.0 0 0.0
arduino:mbed_portenta:envie_m7 N/A N/A N/A N/A N/A N/A N/A N/A
arduino:mbed_portenta:envie_m7:target_core=cm4 N/A N/A N/A N/A N/A N/A N/A N/A
arduino:megaavr:nona4809 0 0.0 0 0.0 0 0.0 0 0.0
arduino:sam:arduino_due_x_dbg 0 0.0 N/A N/A 0 0.0 N/A N/A
arduino:samd:mkrzero 0 0.0 0 0.0 0 0.0 0 0.0
Click for full report CSV 
Board,examples/Knob<br>flash,%,examples/Knob<br>RAM for global variables,%,examples/Sweep<br>flash,%,examples/Sweep<br>RAM for global variables,%
arduino:avr:leonardo,0,0.0,0,0.0,0,0.0,0,0.0
arduino:avr:mega,0,0.0,0,0.0,0,0.0,0,0.0
arduino:avr:nano,0,0.0,0,0.0,0,0.0,0,0.0
arduino:esp32:nano_nora,8,0.0,0,0.0,8,0.0,0,0.0
arduino:mbed_nano:nano33ble,0,0.0,0,0.0,0,0.0,0,0.0
arduino:mbed_nano:nanorp2040connect,0,0.0,0,0.0,0,0.0,0,0.0
arduino:mbed_portenta:envie_m7,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A
arduino:mbed_portenta:envie_m7:target_core=cm4,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A
arduino:megaavr:nona4809,0,0.0,0,0.0,0,0.0,0,0.0
arduino:sam:arduino_due_x_dbg,0,0.0,N/A,N/A,0,0.0,N/A,N/A
arduino:samd:mkrzero,0,0.0,0,0.0,0,0.0,0,0.0

@zachwelch
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zachwelch commented Aug 4, 2025

Pushed another fix that probably would cause a minor regression with 4.x.

That said, I doubt anyone actually detaches servos in practice, as repeated attach/detach cycles will quickly exhaust the available slots. Fixing that remains an open problem for another PR and probably deserves to be solved by factoring the solution into common code that could be used by other chips that use the same allocation strategy. Other sections of the code offer similar opportunities for re-use, so I personally don' t want to start tugging on that thread....

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github-actions bot commented Aug 4, 2025

Memory usage change @ a7c277b

Board flash % RAM for global variables %
arduino:avr:leonardo 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:avr:mega 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:avr:nano 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:esp32:nano_nora 🔺 +8 - +8 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:mbed_nano:nano33ble 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:mbed_nano:nanorp2040connect 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:mbed_portenta:envie_m7 N/A N/A N/A N/A
arduino:mbed_portenta:envie_m7:target_core=cm4 N/A N/A N/A N/A
arduino:megaavr:nona4809 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:sam:arduino_due_x_dbg 0 - 0 0.0 - 0.0 N/A N/A
arduino:samd:mkrzero 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
Click for full report table
Board examples/Knob
flash		 % examples/Knob
RAM for global variables		 % examples/Sweep
flash		 % examples/Sweep
RAM for global variables		 %
arduino:avr:leonardo 0 0.0 0 0.0 0 0.0 0 0.0
arduino:avr:mega 0 0.0 0 0.0 0 0.0 0 0.0
arduino:avr:nano 0 0.0 0 0.0 0 0.0 0 0.0
arduino:esp32:nano_nora 8 0.0 0 0.0 8 0.0 0 0.0
arduino:mbed_nano:nano33ble 0 0.0 0 0.0 0 0.0 0 0.0
arduino:mbed_nano:nanorp2040connect 0 0.0 0 0.0 0 0.0 0 0.0
arduino:mbed_portenta:envie_m7 N/A N/A N/A N/A N/A N/A N/A N/A
arduino:mbed_portenta:envie_m7:target_core=cm4 N/A N/A N/A N/A N/A N/A N/A N/A
arduino:megaavr:nona4809 0 0.0 0 0.0 0 0.0 0 0.0
arduino:sam:arduino_due_x_dbg 0 0.0 N/A N/A 0 0.0 N/A N/A
arduino:samd:mkrzero 0 0.0 0 0.0 0 0.0 0 0.0
Click for full report CSV 
Board,examples/Knob<br>flash,%,examples/Knob<br>RAM for global variables,%,examples/Sweep<br>flash,%,examples/Sweep<br>RAM for global variables,%
arduino:avr:leonardo,0,0.0,0,0.0,0,0.0,0,0.0
arduino:avr:mega,0,0.0,0,0.0,0,0.0,0,0.0
arduino:avr:nano,0,0.0,0,0.0,0,0.0,0,0.0
arduino:esp32:nano_nora,8,0.0,0,0.0,8,0.0,0,0.0
arduino:mbed_nano:nano33ble,0,0.0,0,0.0,0,0.0,0,0.0
arduino:mbed_nano:nanorp2040connect,0,0.0,0,0.0,0,0.0,0,0.0
arduino:mbed_portenta:envie_m7,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A
arduino:mbed_portenta:envie_m7:target_core=cm4,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A
arduino:megaavr:nona4809,0,0.0,0,0.0,0,0.0,0,0.0
arduino:sam:arduino_due_x_dbg,0,0.0,N/A,N/A,0,0.0,N/A,N/A
arduino:samd:mkrzero,0,0.0,0,0.0,0,0.0,0,0.0

@zachwelch
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zachwelch commented Aug 5, 2025

I went ahead and flattened my follow-up fixes and and update the branch.

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github-actions bot commented Aug 5, 2025

Memory usage change @ b707ac5

Board flash % RAM for global variables %
arduino:avr:leonardo 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:avr:mega 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:avr:nano 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:esp32:nano_nora 🔺 +8 - +8 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:mbed_nano:nano33ble 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:mbed_nano:nanorp2040connect 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:mbed_portenta:envie_m7 N/A N/A N/A N/A
arduino:mbed_portenta:envie_m7:target_core=cm4 N/A N/A N/A N/A
arduino:megaavr:nona4809 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:sam:arduino_due_x_dbg 0 - 0 0.0 - 0.0 N/A N/A
arduino:samd:mkrzero 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
Click for full report table
Board examples/Knob
flash		 % examples/Knob
RAM for global variables		 % examples/Sweep
flash		 % examples/Sweep
RAM for global variables		 %
arduino:avr:leonardo 0 0.0 0 0.0 0 0.0 0 0.0
arduino:avr:mega 0 0.0 0 0.0 0 0.0 0 0.0
arduino:avr:nano 0 0.0 0 0.0 0 0.0 0 0.0
arduino:esp32:nano_nora 8 0.0 0 0.0 8 0.0 0 0.0
arduino:mbed_nano:nano33ble 0 0.0 0 0.0 0 0.0 0 0.0
arduino:mbed_nano:nanorp2040connect 0 0.0 0 0.0 0 0.0 0 0.0
arduino:mbed_portenta:envie_m7 N/A N/A N/A N/A N/A N/A N/A N/A
arduino:mbed_portenta:envie_m7:target_core=cm4 N/A N/A N/A N/A N/A N/A N/A N/A
arduino:megaavr:nona4809 0 0.0 0 0.0 0 0.0 0 0.0
arduino:sam:arduino_due_x_dbg 0 0.0 N/A N/A 0 0.0 N/A N/A
arduino:samd:mkrzero 0 0.0 0 0.0 0 0.0 0 0.0
Click for full report CSV 
Board,examples/Knob<br>flash,%,examples/Knob<br>RAM for global variables,%,examples/Sweep<br>flash,%,examples/Sweep<br>RAM for global variables,%
arduino:avr:leonardo,0,0.0,0,0.0,0,0.0,0,0.0
arduino:avr:mega,0,0.0,0,0.0,0,0.0,0,0.0
arduino:avr:nano,0,0.0,0,0.0,0,0.0,0,0.0
arduino:esp32:nano_nora,8,0.0,0,0.0,8,0.0,0,0.0
arduino:mbed_nano:nano33ble,0,0.0,0,0.0,0,0.0,0,0.0
arduino:mbed_nano:nanorp2040connect,0,0.0,0,0.0,0,0.0,0,0.0
arduino:mbed_portenta:envie_m7,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A
arduino:mbed_portenta:envie_m7:target_core=cm4,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A
arduino:megaavr:nona4809,0,0.0,0,0.0,0,0.0,0,0.0
arduino:sam:arduino_due_x_dbg,0,0.0,N/A,N/A,0,0.0,N/A,N/A
arduino:samd:mkrzero,0,0.0,0,0.0,0,0.0,0,0.0

@per1234 per1234 added type: enhancement Proposed improvement topic: code Related to content of the project itself labels Aug 29, 2025
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@zachwelch @CLAassistant @per1234