Avoid busy loop in driver

signalwareltd · Oct 27, 2017 · 8ea5058 · 8ea5058
1 parent 7b5f9a7
commit 8ea5058
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/drivers/src/main/java/info/martinmarinov/drivers/tools/io/UsbBulkSource.java b/drivers/src/main/java/info/martinmarinov/drivers/tools/io/UsbBulkSource.java
@@ -29,7 +29,7 @@
 import info.martinmarinov.usbxfer.UsbHiSpeedBulk;
 
 public class UsbBulkSource implements ByteSource {
-    private final static int INITIAL_DELAY_BEFORE_BACKOFF = 10_000;
+    private final static int INITIAL_DELAY_BEFORE_BACKOFF = 1_000;
     private final static int MAX_BACKOFF = 10;
 
     private final UsbDeviceConnection usbDeviceConnection;
@@ -65,6 +65,8 @@ public void readNext(ByteSink sink) throws IOException, InterruptedException {
             backoff++;
             if (backoff > 0) {
                 Thread.sleep(backoff);
+            } else {
+                if (backoff % 3 == 0) Thread.sleep(1);
             }
             if (backoff > MAX_BACKOFF) {
                 backoff = MAX_BACKOFF;