From 5dc12a7c1a8707474b6fda3515dee35f2acbdf9b Mon Sep 17 00:00:00 2001
From: doctea <doctea@gmail.com>
Date: Wed, 26 Mar 2025 00:12:12 +0000
Subject: [PATCH 1/2] enable to pause clock and then continue playing from
 where we left off

---
 src/uClock.cpp | 15 +++++++++++++--
 src/uClock.h   |  1 +
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/uClock.cpp b/src/uClock.cpp
index 9f27935..0fc802d 100755
--- a/src/uClock.cpp
+++ b/src/uClock.cpp
@@ -183,13 +183,24 @@ void uClockClass::stop()
     }
 }
 
+void uClockClass::continue_playing() {
+    if (state == PAUSED) {
+        start_timer = millis();
+        if (mode == INTERNAL_CLOCK) {
+            state = STARTED;
+        } else {
+            state = STARTING;
+        }
+    }
+}
+
 void uClockClass::pause() 
 {
     if (mode == INTERNAL_CLOCK) {
         if (state == PAUSED) {
-            start();
+            continue_playing();
         } else {
-            stop();
+            state = PAUSED;
         }
     }
 }
diff --git a/src/uClock.h b/src/uClock.h
index df1a08d..e7bfd49 100755
--- a/src/uClock.h
+++ b/src/uClock.h
@@ -127,6 +127,7 @@ class uClockClass {
         void start();
         void stop();
         void pause();
+        void continue_playing();
         void setTempo(float bpm);
         float getTempo();
 

From 88e108657a724f4caee85341be2e901e88e13884 Mon Sep 17 00:00:00 2001
From: Tristan Rowley <doctea@gmail.com>
Date: Fri, 11 Apr 2025 23:47:02 +0100
Subject: [PATCH 2/2] (untested) add user callbacks for 'pause' and 'continue'

---
 src/uClock.cpp |  6 ++++++
 src/uClock.h   | 10 ++++++++++
 2 files changed, 16 insertions(+)

diff --git a/src/uClock.cpp b/src/uClock.cpp
index 0fc802d..ee8f114 100755
--- a/src/uClock.cpp
+++ b/src/uClock.cpp
@@ -191,6 +191,9 @@ void uClockClass::continue_playing() {
         } else {
             state = STARTING;
         }
+        if (onClockContinueCallback) {
+            onClockContinueCallback();
+        }
     }
 }
 
@@ -201,6 +204,9 @@ void uClockClass::pause()
             continue_playing();
         } else {
             state = PAUSED;
+            if (onClockPauseCallback) {
+                onClockPauseCallback();
+            }
         }
     }
 }
diff --git a/src/uClock.h b/src/uClock.h
index e7bfd49..5323035 100755
--- a/src/uClock.h
+++ b/src/uClock.h
@@ -116,6 +116,14 @@ class uClockClass {
             onClockStopCallback = callback;
         }
 
+        void setOnClockContinue(void (*callback)()) {
+            onClockStartCallback = callback;
+        }
+
+        void setOnClockPause(void (*callback)()) {
+            onClockPauseCallback = callback;
+        }
+
         void init();
         void setPPQN(PPQNResolution resolution);
 
@@ -172,6 +180,8 @@ class uClockClass {
         void (*onSync24Callback)(uint32_t tick);
         void (*onClockStartCallback)();
         void (*onClockStopCallback)();
+        void (*onClockContinueCallback)();
+        void (*onClockPauseCallback)();
 
         // internal clock control
         // uint16_t ppqn;