Update

Update readme and ESP32 input pulldown example.

Author: Dlloydev

README.md

@@ -12,7 +12,7 @@ Arduino button debounce library for various switch types, port expanders and oth
 
 ## Examples (Wokwi)
 
-- Do a trial run for evaluation.
+- Do a test run for evaluation.
 - Your suggestions, Issues and Discussions are welcome [here](https://github.com/Dlloydev/Toggle).
 
 | ESP32-S2                                                     | UNO                                                          |
@@ -24,6 +24,7 @@ Arduino button debounce library for various switch types, port expanders and oth
 | [Released_For.ino](https://wokwi.com/projects/334458628485415508) | [Released_For.ino](https://wokwi.com/projects/334458460245590611) |
 | [Retrigger_While_Pressed.ino](https://wokwi.com/projects/334459280465855059) | [Retrigger_While_Pressed.ino](https://wokwi.com/projects/334458963671122515) |
 | [Press_Code.ino](https://wokwi.com/projects/334320246564323924) | [Press_Code.ino](https://wokwi.com/projects/334284248581145170) |
+| [ESP32_Input_Pulldown.ino](https://wokwi.com/projects/334554744838160980) |                                                              |
 
 ## Toggle Library Reference
 
@@ -310,7 +311,7 @@ if (retrigger(500)) {
 - Detection of long (greater than 1 sec) presses and short (less than 1 sec) presses occurs if the first press is 0.4 sec or longer. 
 - Detect up to 15 short presses
 - Detect up to 14 long presses
-- Returns code after button is released for 1.4 sec
+- Returns code after button is released for 1 sec
 - simplifies your code while adding maximum functionality to one button
 
 ##### Example

examples/ESP32_Input_Pulldown/ESP32_Input_Pulldown.ino

@@ -0,0 +1,28 @@
+/*********************************************************************
+  ESP32-S2 INPUT_PULLDOWN EXAMPLE:
+  This example blinks the built in LED as configured below.
+  Try on Wokwi ESP32-S2: https://wokwi.com/projects/334554744838160980
+  ********************************************************************/
+
+#include <Toggle.h>
+
+const byte buttonPin = 4;
+const byte ledPin = 16;
+
+const unsigned int blinkMs = 100; // blink duration (ms)
+const byte blinkMode = 1; // 0: on change, 1: on press (default), 2: on release
+
+Toggle button(buttonPin);
+
+void setup() {
+  button.begin(buttonPin);
+  button.setInputInvert(1);
+  pinMode(buttonPin, INPUT_PULLDOWN);
+  pinMode(ledPin, OUTPUT);
+}
+
+void loop() {
+  button.poll();
+  digitalWrite(ledPin, button.blink(blinkMs, blinkMode));
+  delay(1);
+}

examples/Input_Pulldown/Input_Pulldown.ino

@@ -17,20 +17,7 @@ void Toggle::begin(uint8_t inA, uint8_t inB) {
     _inB = inB;
     us_timestamp = micros();
     startUs = us_timestamp;
-    if (_inA != 255) {
-      if (_inputMode == inputMode::input_pullup) pinMode(_inA, INPUT_PULLUP);
-      else if (_inputMode == inputMode::input) pinMode(_inA, INPUT);
-#if (defined(ESP32) || defined(ARDUINO_ARCH_ESP32))
-      else if (_inputMode == inputMode::input_pulldown) pinMode(_inA, INPUT_PULLDOWN);
-#endif
-    }
-    if (_inB != 255) {
-      if (_inputMode == inputMode::input_pullup) pinMode(_inB, INPUT_PULLUP);
-      else if (_inputMode == inputMode::input) pinMode(_inB, INPUT);
-#if (defined(ESP32) || defined(ARDUINO_ARCH_ESP32))
-      else if (_inputMode == inputMode::input_pulldown) pinMode(_inB, INPUT_PULLDOWN);
-#endif
-    }
+    setInputMode(inputMode::input_pullup);
   }
 }
 
@@ -51,6 +38,20 @@ void Toggle::poll(uint8_t bit) {
 
 void Toggle::setInputMode(inputMode inputMode) {
   _inputMode = inputMode;
+  if (_inA != 255) {
+    if (_inputMode == inputMode::input_pullup) pinMode(_inA, INPUT_PULLUP);
+    else if (_inputMode == inputMode::input) pinMode(_inA, INPUT);
+#if (defined(ESP32) || defined(ARDUINO_ARCH_ESP32))
+    else if (_inputMode == inputMode::input_pulldown) pinMode(_inA, INPUT_PULLDOWN);
+#endif
+  }
+  if (_inB != 255) {
+    if (_inputMode == inputMode::input_pullup) pinMode(_inB, INPUT_PULLUP);
+    else if (_inputMode == inputMode::input) pinMode(_inB, INPUT);
+#if (defined(ESP32) || defined(ARDUINO_ARCH_ESP32))
+    else if (_inputMode == inputMode::input_pulldown) pinMode(_inB, INPUT_PULLDOWN);
+#endif
+  }
 }
 
 void Toggle::setSamplePeriodUs(uint16_t period) {