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jSerialComm
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Merge pull request #71 from FrozenOne/master 

Fix reads that do not use packets getting stuck in infinite loop.
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Will Hedgecock 2018-01-03 11:16:33 -06:00 committed by GitHub
parent 6bd2a9995f 5eb7ee925e
commit c41f3f640c
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1 changed files with 14 additions and 11 deletions
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25
src/main/java/com/fazecast/jSerialComm/SerialPort.java
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@ -1004,18 +1004,21 @@ public final class SerialPort
byte[] newBytes = new byte[numBytesAvailable]; byte[] newBytes = new byte[numBytesAvailable];
newBytesIndex = 0; newBytesIndex = 0;
bytesRemaining = readBytes(portHandle, newBytes, newBytes.length); bytesRemaining = readBytes(portHandle, newBytes, newBytes.length);
while (bytesRemaining >= (dataPacket.length - dataPacketIndex)) if(dataPacket.length == 0) {
{ userDataListener.serialEvent(new SerialPortEvent(SerialPort.this, LISTENING_EVENT_DATA_RECEIVED, newBytes.clone()));
System.arraycopy(newBytes, newBytesIndex, dataPacket, dataPacketIndex, dataPacket.length - dataPacketIndex);
bytesRemaining -= (dataPacket.length - dataPacketIndex);
newBytesIndex += (dataPacket.length - dataPacketIndex);
dataPacketIndex = 0;
userDataListener.serialEvent(new SerialPortEvent(SerialPort.this, LISTENING_EVENT_DATA_RECEIVED, dataPacket.clone()));
} }
if (bytesRemaining > 0) else {
{ while (bytesRemaining >= (dataPacket.length - dataPacketIndex)) {
System.arraycopy(newBytes, newBytesIndex, dataPacket, dataPacketIndex, bytesRemaining); System.arraycopy(newBytes, newBytesIndex, dataPacket, dataPacketIndex, dataPacket.length - dataPacketIndex);
dataPacketIndex += bytesRemaining; bytesRemaining -= (dataPacket.length - dataPacketIndex);
newBytesIndex += (dataPacket.length - dataPacketIndex);
dataPacketIndex = 0;
userDataListener.serialEvent(new SerialPortEvent(SerialPort.this, LISTENING_EVENT_DATA_RECEIVED, dataPacket.clone()));
}
if (bytesRemaining > 0) {
System.arraycopy(newBytes, newBytesIndex, dataPacket, dataPacketIndex, bytesRemaining);
dataPacketIndex += bytesRemaining;
}
} }
} }
} }