A minor routine to take care of parasite symbols that may be left over in the serial read buffer. This happens when a program output wasn't terminated with new line. This also does not affect the test results.

Author: screamerbg

workspace_tools/host_tests/echo.py

@@ -37,6 +37,13 @@ def test(self, selftest):
         selftest.mbed.flush()
         selftest.notify("HOST: Starting the ECHO test")
         result = True
+        
+        """ This ensures that there are no parasites left in the serial buffer.
+        """
+        for i in range(0, 2):
+            selftest.mbed.serial_write("\n")
+            c = selftest.mbed.serial_readline()
+            
         for i in range(0, self.TEST_LOOP_COUNT):
             TEST_STRING = str(uuid.uuid4()) + "\n"
             selftest.mbed.serial_write(TEST_STRING)