From fb3743eb8d138d2a069092ca2cb4ced1d7892cc2 Mon Sep 17 00:00:00 2001
From: willem <willem@oldemans.nl>
Date: Sun, 2 Jan 2022 18:46:08 +0100
Subject: [PATCH] add interface

---
 src/JC_Button.cpp | 14 +++++++++++---
 src/JC_Button.h   |  2 ++
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/JC_Button.cpp b/src/JC_Button.cpp
index aaa50de..746aaf9 100644
--- a/src/JC_Button.cpp
+++ b/src/JC_Button.cpp
@@ -12,7 +12,8 @@ void Button::begin()
 {
     pinMode(m_pin, m_puEnable ? INPUT_PULLUP : INPUT);
     m_state = digitalRead(m_pin);
-    if (m_invert) m_state = !m_state;
+    if (m_invert)
+        m_state = !m_state;
     m_time = millis();
     m_lastState = m_state;
     m_changed = false;
@@ -27,7 +28,8 @@ bool Button::read()
 {
     uint32_t ms = millis();
     bool pinVal = digitalRead(m_pin);
-    if (m_invert) pinVal = !pinVal;
+    if (m_invert)
+        pinVal = !pinVal;
     if (ms - m_lastChange < m_dbTime)
     {
         m_changed = false;
@@ -37,7 +39,8 @@ bool Button::read()
         m_lastState = m_state;
         m_state = pinVal;
         m_changed = (m_state != m_lastState);
-        if (m_changed) m_lastChange = ms;
+        if (m_changed)
+            m_lastChange = ms;
     }
     m_time = ms;
     return m_state;
@@ -90,6 +93,11 @@ bool Button::releasedFor(uint32_t ms)
     return !m_state && m_time - m_lastChange >= ms;
 }
 
+uint32_t Button::getPressedFor(void)
+{
+  return (m_state ? m_time - m_lastChange : 0);
+}
+
 /*----------------------------------------------------------------------*
  * lastChange() returns the time the button last changed state,         *
  * in milliseconds.                                                     *
diff --git a/src/JC_Button.h b/src/JC_Button.h
index 7170294..57ebbbc 100644
--- a/src/JC_Button.h
+++ b/src/JC_Button.h
@@ -51,6 +51,8 @@ class Button
         // and has been in that state for at least the given number of milliseconds.
         bool pressedFor(uint32_t ms);
 
+        uint32_t getPressedFor( void);
+        
         // Returns true if the button state at the last call to read() was released,
         // and has been in that state for at least the given number of milliseconds.
         bool releasedFor(uint32_t ms);