From 9932baf93735f6650f10c4b2a7cc15e097c7f84e Mon Sep 17 00:00:00 2001
From: midilab <contact@midilab.co>
Date: Wed, 4 May 2022 07:14:55 -0300
Subject: [PATCH] volatile tempo var and handling

---
 src/uClock.cpp | 11 +++++++----
 src/uClock.h   |  3 ---
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/uClock.cpp b/src/uClock.cpp
index a22bc56..b4a8572 100755
--- a/src/uClock.cpp
+++ b/src/uClock.cpp
@@ -166,8 +166,8 @@ void uClockClass::pause()
 void uClockClass::setTimerTempo(float bpm) 
 {
 	// 96 ppqn resolution
-	tick_us_interval = (60000000 / 24 / bpm);
-	tick_hertz_interval = 1/((float)tick_us_interval/1000000);
+	uint32_t tick_us_interval = (60000000 / 24 / bpm);
+	float tick_hertz_interval = 1/((float)tick_us_interval/1000000);
 
 #if defined(ARDUINO_ARCH_AVR)
 	uint32_t ocr;
@@ -221,9 +221,12 @@ void uClockClass::setTempo(float bpm)
 		return;
 	}
 
-	setTimerTempo(bpm);
+	ATOMIC(
+		tempo = bpm
+	)
 
-	tempo = bpm;
+	setTimerTempo(tempo);
+	
 }
 
 float inline uClockClass::freqToBpm(uint32_t freq)
diff --git a/src/uClock.h b/src/uClock.h
index 46c667d..59a56b8 100755
--- a/src/uClock.h
+++ b/src/uClock.h
@@ -84,9 +84,6 @@ class uClockClass {
 		uint32_t last_interval;
 		uint32_t sync_interval;
 
-		uint32_t tick_us_interval;
-		float tick_hertz_interval;
-
 		float tempo;
 		uint32_t start_timer;
 		uint8_t mode;