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https://rusefi.com/forum/viewtopic.php?p=33568#p33576

This commit is contained in:
rusefi 2019-06-25 18:03:40 -04:00
parent e63048600f
commit 6b1edd9e29
1 changed files with 4 additions and 1 deletions
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5
java_console/io/src/com/rusefi/io/serial/SerialIoStreamJSerialComm.java
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@ -33,7 +33,10 @@ public class SerialIoStreamJSerialComm implements IoStream {
{
if (event.getEventType() != SerialPort.LISTENING_EVENT_DATA_AVAILABLE)
return;
byte[] newData = new byte[sp.bytesAvailable()];
int bytesAvailable = sp.bytesAvailable();
if (bytesAvailable <= 0)
return; // sometimes negative value is returned at least on Mac
byte[] newData = new byte[bytesAvailable];
int numRead = sp.readBytes(newData, newData.length);
byte[] data = new byte[numRead];
System.arraycopy(newData, 0, data, 0, numRead);