From db2dc5aca6fc0d968b05388bfc88d9e5b6e57ceb Mon Sep 17 00:00:00 2001
From: Rene Stange <rsta2@o2online.de>
Date: Wed, 2 Mar 2022 13:20:08 +0100
Subject: [PATCH] Suppress frequent messages in MIDI dump

---
 src/mididevice.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/mididevice.cpp b/src/mididevice.cpp
index 3115420..8b0d570 100644
--- a/src/mididevice.cpp
+++ b/src/mididevice.cpp
@@ -35,6 +35,9 @@
 #define MIDI_PROGRAM_CHANGE	0b1100
 #define MIDI_PITCH_BEND		0b1110
 
+#define MIDI_TIMING_CLOCK	0xF8
+#define MIDI_ACTIVE_SENSING	0xFE
+
 CMIDIDevice::CMIDIDevice (CMiniDexed *pSynthesizer, CConfig *pConfig)
 :	m_pSynthesizer (pSynthesizer),
 	m_pConfig (pConfig)
@@ -58,7 +61,11 @@ void CMIDIDevice::MIDIMessageHandler (const u8 *pMessage, size_t nLength, unsign
 		switch (nLength)
 		{
 		case 1:
-			printf ("MIDI %u: %02X\n", nCable, (unsigned) pMessage[0]);
+			if (   pMessage[0] != MIDI_TIMING_CLOCK
+			    && pMessage[0] != MIDI_ACTIVE_SENSING)
+			{
+				printf ("MIDI %u: %02X\n", nCable, (unsigned) pMessage[0]);
+			}
 			break;
 
 		case 2: