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mPendingMessageExpectedLength as before 

mMessage.length is reset to 0 before the callback, so bring back mPendingMessageExpectedLength as before, and set mMessage.length (and not reset it)
This commit is contained in:
lathoub 2020-03-15 16:57:01 +01:00
parent e7588b906d
commit 2734894485
2 changed files with 25 additions and 14 deletions
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1
src/MIDI.h
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@ -243,6 +243,7 @@ private:
StatusByte mRunningStatus_RX;
StatusByte mRunningStatus_TX;
byte mPendingMessage[3];
unsigned mPendingMessageExpectedLength;
unsigned mPendingMessageIndex;
unsigned mCurrentRpnNumber;
unsigned mCurrentNrpnNumber;

30
src/MIDI.hpp
View File

@ -36,6 +36,7 @@ inline MidiInterface<Transport, Settings, Platform>::MidiInterface(Transport& in
, mInputChannel(0)
, mRunningStatus_RX(InvalidType)
, mRunningStatus_TX(InvalidType)
, mPendingMessageExpectedLength(0)
, mPendingMessageIndex(0)
, mCurrentRpnNumber(0xffff)
, mCurrentNrpnNumber(0xffff)
@ -93,6 +94,7 @@ void MidiInterface<Transport, Settings, Platform>::begin(Channel inChannel)
mRunningStatus_RX = InvalidType;
mPendingMessageIndex = 0;
mPendingMessageExpectedLength = 0;
mCurrentRpnNumber = 0xffff;
mCurrentNrpnNumber = 0xffff;
@ -802,12 +804,12 @@ bool MidiInterface<Transport, Settings, Platform>::parse()
mMessage.channel = 0;
mMessage.data1 = 0;
mMessage.data2 = 0;
mMessage.length = 0;
mMessage.valid = true;
// Do not reset all input attributes, Running Status must remain unchanged.
// We still need to reset these
mPendingMessageIndex = 0;
mPendingMessageExpectedLength = 0;
return true;
break;
@ -817,7 +819,7 @@ bool MidiInterface<Transport, Settings, Platform>::parse()
case AfterTouchChannel:
case TimeCodeQuarterFrame:
case SongSelect:
mMessage.length = 2;
mPendingMessageExpectedLength = 2;
break;
// 3 bytes messages
@ -827,14 +829,14 @@ bool MidiInterface<Transport, Settings, Platform>::parse()
case PitchBend:
case AfterTouchPoly:
case SongPosition:
mMessage.length = 3;
mPendingMessageExpectedLength = 3;
break;
case SystemExclusiveStart:
case SystemExclusiveEnd:
// The message can be any lenght
// between 3 and MidiMessage::sSysExMaxSize bytes
mMessage.length = MidiMessage::sSysExMaxSize;
mPendingMessageExpectedLength = MidiMessage::sSysExMaxSize;
mRunningStatus_RX = InvalidType;
mMessage.sysexArray[0] = pendingType;
break;
@ -847,17 +849,19 @@ bool MidiInterface<Transport, Settings, Platform>::parse()
break;
}
if (mPendingMessageIndex >= (mMessage.length - 1))
if (mPendingMessageIndex >= (mPendingMessageExpectedLength - 1))
{
// Reception complete
mMessage.type = pendingType;
mMessage.channel = getChannelFromStatusByte(mPendingMessage[0]);
mMessage.data1 = mPendingMessage[1];
mMessage.data2 = 0; // Completed new message has 1 data byte
mMessage.length = 1;
mPendingMessageIndex = 0;
mMessage.length = 0;
mPendingMessageExpectedLength = 0;
mMessage.valid = true;
return true;
}
else
@ -905,7 +909,9 @@ bool MidiInterface<Transport, Settings, Platform>::parse()
mMessage.data1 = 0;
mMessage.data2 = 0;
mMessage.channel = 0;
mMessage.length = 1;
mMessage.valid = true;
return true;
// Exclusive
@ -922,9 +928,11 @@ bool MidiInterface<Transport, Settings, Platform>::parse()
mMessage.data1 = mPendingMessageIndex & 0xff; // LSB
mMessage.data2 = byte(mPendingMessageIndex >> 8); // MSB
mMessage.channel = 0;
mMessage.length = mPendingMessageIndex;
mMessage.valid = true;
resetInput();
return true;
}
else
@ -947,7 +955,7 @@ bool MidiInterface<Transport, Settings, Platform>::parse()
mPendingMessage[mPendingMessageIndex] = extracted;
// Now we are going to check if we have reached the end of the message
if (mPendingMessageIndex >= (mMessage.length - 1))
if (mPendingMessageIndex >= (mPendingMessageExpectedLength - 1))
{
// "FML" case: fall down here with an overflown SysEx..
// This means we received the last possible data byte that can fit
@ -968,11 +976,13 @@ bool MidiInterface<Transport, Settings, Platform>::parse()
mMessage.data1 = mPendingMessage[1];
// Save data2 only if applicable
mMessage.data2 = mMessage.length == 3 ? mPendingMessage[2] : 0;
mMessage.data2 = mPendingMessageExpectedLength == 3 ? mPendingMessage[2] : 0;
mMessage.length = mPendingMessageExpectedLength;
// Reset local variables
mPendingMessageIndex = 0;
mMessage.length = 0;
mPendingMessageExpectedLength = 0;
mMessage.valid = true;
@ -1052,7 +1062,7 @@ template<class Transport, class Settings, class Platform>
inline void MidiInterface<Transport, Settings, Platform>::resetInput()
{
mPendingMessageIndex = 0;
mMessage.length = 0;
mPendingMessageExpectedLength = 0;
mRunningStatus_RX = InvalidType;
}