From 2f1022df0395badf03fc7cb20c82ee770b5b2c1d Mon Sep 17 00:00:00 2001
From: Javier <dev.git@javispedro.com>
Date: Mon, 31 Jan 2022 02:43:27 +0100
Subject: make Mpu401 less noisy about incorrect data port access

---
 Mpu401.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'Mpu401.cpp')

diff --git a/Mpu401.cpp b/Mpu401.cpp
index 8e2badc..eaced84 100644
--- a/Mpu401.cpp
+++ b/Mpu401.cpp
@@ -153,7 +153,7 @@ static uint8_t mpuReadData(PPDMDEVINS pDevIns)
         return pThis->uInput;
     }
 
-    if (pThis->fModeUart) {
+    if (pThis->fModeUart && pThis->midi.readAvail() >= 1) {
         uint8_t data;
         ssize_t read = pThis->midi.read(&data, 1);
         if (read == 1) {
@@ -162,7 +162,7 @@ static uint8_t mpuReadData(PPDMDEVINS pDevIns)
         }
     }
 
-    LogWarnFunc(("Trying to read, but no data to read\n"));
+    Log3Func(("Trying to read, but no data to read\n"));
 
     return MPU_RESPONSE_ACK;
 }
@@ -177,7 +177,7 @@ static void mpuWriteData(PPDMDEVINS pDevIns, uint8_t data)
             Log5Func(("midi_out data=0x%x\n", data));
         }
     } else {
-        LogWarnFunc(("Ignoring data, not in UART mode\n"));
+        Log3Func(("Ignoring data, not in UART mode\n"));
     }
 }
 
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