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Do not pass empty frameBytes #6

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Do not pass empty frameBytes #6

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8 changes: 5 additions & 3 deletions CANtactCore/src/org/cantact/core/CantactDevice.java
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Original file line number Diff line number Diff line change
Expand Up @@ -174,9 +174,11 @@ public void serialEvent(SerialPortEvent event) {

for (byte b : bs) {
if (b == '\r') {
// end of frame data received
CanFrame f = slcanToFrame(frameBytes.toArray(new Byte[frameBytes.size()]));
DeviceManager.giveFrame(f);
if(frameBytes.size() > 4) {
// end of frame data received
CanFrame f = slcanToFrame(frameBytes.toArray(new Byte[frameBytes.size()]));
DeviceManager.giveFrame(f);
}
frameBytes.clear();
} else {
// byte received, add to buffer
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