Bug in SampleUSBDriver/Shared/MIDIParser.cpp
Bug in SampleUSBDriver/Shared/MIDIParser.cpp
- Subject: Bug in SampleUSBDriver/Shared/MIDIParser.cpp
- From: Daniel Mack <email@hidden>
- Date: Mon, 16 Mar 2009 13:25:01 +0100
Hi,
there's a nasty bug in SampleUSBDriver/Shared/MIDIParser.cpp which
causes the state machine to get confused when 0xf7 and 0xf0 are fed into
the parser within a single message. Below is my patch - as reference for
others and hopefully to be merged upstream for furture releases of that
sample driver.
@@ -90,8 +92,10 @@
// of whether one was sent (as per recommended practices)
mPacket.data[mPacket.length++] = 0xF7;
EmitPacket();
- if (c == 0xF7)
+ if (c == 0xF7) {
+ mDataRequired = 0;
return; // nothing more to do
+ }
// other status bytes start a new packet
}
Daniel
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