Merge pull request #1569 from IoTThinks/MCdev-Fixed-Incorrect-Release-of-RefCountedDigitalPin

Fixed RefCountedDigitalPin.h and SSD1306Display for Heltec v4
2026-02-28 17:35:17 +13:00
parent b67decfba0 13d0dff918
commit eee42c5099
3 changed files with 5 additions and 4 deletions
--- a/src/helpers/RefCountedDigitalPin.h
+++ b/src/helpers/RefCountedDigitalPin.h
@@ -20,7 +20,10 @@ public:
      digitalWrite(_pin, _active);
    }
  }
+
  void release() {
+    if (_claims == 0) return; // avoid negative _claims
+
    _claims--;
    if (_claims == 0) {
      digitalWrite(_pin, !_active);