Update serialmididevice.cpp

src/serialmididevice.cpp

@@ -85,6 +85,26 @@ void CSerialMIDIDevice::Process (void)
 	{
 		u8 uchData = Buffer[i];
 
+		if(uchData == 0xF0)
+		{
+			// SYSEX found
+			m_SerialMessage[m_nSysEx++]=uchData;
+			continue;
+		}
+
+		if(m_nSysEx > 0)
+		{
+			m_SerialMessage[m_nSysEx++]=uchData;
+			if ((uchData & 0x80) == 0x80 || m_nSysEx >= MAX_MIDI_MESSAGE)
+			{
+				if(uchData == 0xF7)
+					MIDIMessageHandler (m_SerialMessage, m_nSysEx);
+				m_nSysEx = 0;
+			}
+			continue;
+		}
+		else
+		{
 			switch (m_nSerialState)
 			{
 			case 0:
@@ -94,14 +114,6 @@ void CSerialMIDIDevice::Process (void)
 				{
 					m_SerialMessage[m_nSerialState++] = uchData;
 				}
-			
-			if (uchData == 0xF0) // SysEx status Byte jumps to m_nSerialState=5 and iniciate reading
-			{
-				m_nSerialState = 5;
-				m_nSysEx = 0; 
-				goto MIDISysEx;
-			}
-			
 				break;
 	
 			case 1:
@@ -123,35 +135,19 @@ void CSerialMIDIDevice::Process (void)
 	
 					m_nSerialState = 4; // State 4 for test if 4th byte is a status byte or a data byte 
 				}
+	
 				break;
-		case 4: // Running Status evaluation
+			case 4:
 				
 				if ((uchData & 0x80) == 0)  // true data byte, false status byte
 				{
-				m_nSerialState = 1; // Byte 0 not change on Running Status
+					m_nSerialState = 1;
 					goto DATABytes;
 				}
 				else 
 				{
 					m_nSerialState = 0;
-				goto MIDIRestart;  // This is necessary in order to not miss the first byte
+					goto MIDIRestart; 
-				
-			}
-			break;
-		case 5: // SyxEx reading
-			MIDISysEx:
-			m_SerialMessage[m_nSysEx++] = uchData;
-			if (((uchData & 0x80) && m_nSysEx > 1 ) || m_nSysEx >= MAX_MIDI_MESSAGE)		
-			{
-				m_nSerialState = 0; //New Status byte ends SerialState 5 (SysEx reading)
-				if (uchData == 0xF7)
-				{
-					MIDIMessageHandler (m_SerialMessage, m_nSysEx);
-				}
-				else
-				{
-					goto MIDIRestart; //other status byte abort SysEx process and jump to MIDIRestart in order to not miss the byte
-				}
 				}
 				break;
 			default:
@@ -160,7 +156,7 @@ void CSerialMIDIDevice::Process (void)
 			}
 		}
 	}
-
+}
 void CSerialMIDIDevice::Send (const u8 *pMessage, size_t nLength, unsigned nCable)
 {
 	m_SendBuffer.Write (pMessage, nLength);