Change Berry gpio.pin_mode frees PWM on pin

CHANGELOG.md

@@ -20,6 +20,7 @@ All notable changes to this project will be documented in this file.
 - Allow negative values for AdcParam/AdcGpio INPUT, TEMP and RANGE parameters (#22809)
 - GPIOViewer from v1.5.9 to v1.6.0 (No functional change)
 - ESP32 Platform from 2025.01.30 to 2025.01.31 (#22832)
+- Berry `gpio.pin_mode` frees PWM on pin
 
 ### Fixed
 - Sonoff SPM `PowerOnState` overrules `SSPMPowerOnState` in mixed 4Relay setup with 4Relay version 1.0.0

RELEASENOTES.md

@@ -148,6 +148,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 - Allow negative values for AdcParam/AdcGpio INPUT, TEMP and RANGE parameters [#22809](https://github.com/arendst/Tasmota/issues/22809)
 - Command `Pixels` has backwards compatible arguments fixing #22755 [#22791](https://github.com/arendst/Tasmota/issues/22791)
 - ESP32 disable PSRAM check (and on restart some relay toggles) with `#define DISABLE_PSRAMCHECK true` [#21266](https://github.com/arendst/Tasmota/issues/21266)
+- Berry `gpio.pin_mode` frees PWM on pin
 - Berry bit-shift operators to `int64` [#22709](https://github.com/arendst/Tasmota/issues/22709)
 - HASPmota use 'roboto.ttf' for automatic sizing of default font [#22697](https://github.com/arendst/Tasmota/issues/22697)
 - HASPmota add 'tag' attribute for free-form JSON [#22698](https://github.com/arendst/Tasmota/issues/22698)

lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.cpp

@@ -326,15 +326,20 @@ int32_t analogAttach(uint32_t pin, bool output_invert) {    // returns ledc chan
   return chan;
 }
 
+void analogDetach(uint32_t pin) {
+  if (pin_to_channel[pin] > 0) {
+#if ESP_IDF_VERSION_MAJOR < 5
+    ledcDetachPin(pin);
+#else
+    ledcDetach(pin);
+#endif
+    pin_to_channel[pin] = 0;
+  }
+}
+
 void analogDetachAll(void) {
   for (uint32_t pin = 0; pin < SOC_GPIO_PIN_COUNT; pin++) { 
-    if (pin_to_channel[pin] > 0) {
+    analogDetach(pin);
-#if ESP_IDF_VERSION_MAJOR < 5
-      ledcDetachPin(pin);
-#else
-      ledcDetach(pin);
-#endif
-    }
   }
 }
 

lib/libesp32/ESP32-to-ESP8266-compat/src/esp8266toEsp32.h

@@ -56,6 +56,11 @@ uint8_t ledcReadResolution(uint8_t chan);
 // Returns: hardware channel number, or -1 if it failed
 int32_t analogAttach(uint32_t pin, bool output_invert = false);   // returns the ledc channel, or -1 if failed. This is implicitly called by analogWrite if the channel was not already allocated
 
+//
+// analogDetach - detach attached GPIO from a hardware PWM
+//
+void analogDetach(uint32_t pin);
+
 //
 // analogDetachAll - detach all attached GPIOs from a hardware PWM
 //

tasmota/tasmota_xdrv_driver/xdrv_52_3_berry_gpio.ino

@@ -54,6 +54,7 @@ extern "C" {
       if (pin >= 0) {
         if (mode > 0) {
           // standard ESP mode
+          analogDetach(pin);
           pinMode(pin, mode);
         } else {
           // synthetic mode