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potentiometer: check that pin supports ananlogread

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newer esp32 frameworks will throw lots of warnings when trying to read from a non-analog pin.
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Frank 2023-09-07 18:55:13 +02:00
parent 111f1729c9
commit c7dd4a7f2b
1 changed files with 2 additions and 1 deletions
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wled00/button.cpp
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@ -156,6 +156,7 @@ void handleAnalog(uint8_t b)
#ifdef ESP8266 #ifdef ESP8266
rawReading = analogRead(A0) << 2; // convert 10bit read to 12bit rawReading = analogRead(A0) << 2; // convert 10bit read to 12bit
#else #else
if ((btnPin[b] < 0) || (digitalPinToAnalogChannel(btnPin[b]) < 0)) return; // pin must support analog ADC - newer esp32 frameworks throw lots of warnings otherwise
rawReading = analogRead(btnPin[b]); // collect at full 12bit resolution rawReading = analogRead(btnPin[b]); // collect at full 12bit resolution
#endif #endif
yield(); // keep WiFi task running - analog read may take several millis on ESP8266 yield(); // keep WiFi task running - analog read may take several millis on ESP8266