Debounce pin state function (#1780)

* add readpinstate

* wrong var name

firmware/hw_layer/debounce.cpp

@@ -68,13 +68,18 @@ void ButtonDebounce::updateConfiguration () {
 @returns true if the button is pressed, and will not return true again within the set timeout
 */
 bool ButtonDebounce::readPinEvent() {
+    readValue = false;
+    return readPinState();
+}
+
+bool ButtonDebounce::readPinState() {
     if (!pin) {
         return false;
     }
     efitick_t timeNow = getTimeNowNt();
     // If it's been less than the threshold since we were last called
     if ((timeNow - timeLast) < threshold) {
-        return false;
+        return readValue;
     }
     // readValue is a class variable, so it needs to be reset.
     // We don't actually need it to be a class variable in this method,

firmware/hw_layer/debounce.h

@@ -16,6 +16,7 @@ public:
     void init(int t, brain_pin_e *p, pin_input_mode_e *m);
     void updateConfiguration();
     bool readPinEvent();
+    bool readPinState();
     static void updateConfigurationList();
 private:
     int threshold;