Diff: tools/host_tests/serial_nc_rx_auto.py

Revision:

0:f269e3021894

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/host_tests/serial_nc_rx_auto.py	Sun Oct 23 15:10:02 2016 +0000
@@ -0,0 +1,87 @@
+"""
+mbed SDK
+Copyright (c) 2011-2013 ARM Limited
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
+import sys
+import uuid
+import time
+import string
+from sys import stdout
+
+class SerialNCRXTest():
+
+    def test(self, selftest):
+        selftest.mbed.flush();
+        # Wait 0.5 seconds to ensure mbed is listening
+        time.sleep(0.5)
+
+        #handshake with target to sync test start
+        selftest.mbed.serial_write("S");
+
+        strip_chars = string.whitespace + "\0"
+
+        out_str = selftest.mbed.serial_readline()
+
+        if not out_str:
+            selftest.notify("HOST: No output detected")
+            return selftest.RESULT_IO_SERIAL
+
+        out_str_stripped = out_str.strip(strip_chars)
+
+        if out_str_stripped != "RX OK - Start NC test":
+            selftest.notify("HOST: Unexpected output. Expected 'RX OK - Expected' but received '%s'" % out_str_stripped)
+            return selftest.RESULT_FAILURE
+
+        # Wait 0.5 seconds to ensure mbed is listening
+        time.sleep(0.5)
+
+        selftest.mbed.serial_write("E");
+
+        strip_chars = string.whitespace + "\0"
+
+        out_str = selftest.mbed.serial_readline()
+
+        if not out_str:
+            selftest.notify("HOST: No output detected")
+            return selftest.RESULT_IO_SERIAL
+
+        out_str_stripped = out_str.strip(strip_chars)
+
+        if out_str_stripped != "RX OK - Expected":
+            selftest.notify("HOST: Unexpected output. Expected 'RX OK - Expected' but received '%s'" % out_str_stripped)
+            return selftest.RESULT_FAILURE
+
+        # Wait 0.5 seconds to ensure mbed is listening
+        time.sleep(0.5)
+
+        # Send character, mbed shouldn't receive
+        selftest.mbed.serial_write("U");
+
+        out_str = selftest.mbed.serial_readline()
+
+        # If no characters received, pass the test
+        if not out_str:
+            selftest.notify("HOST: No further output detected")
+            return selftest.RESULT_SUCCESS
+        else:
+            out_str_stripped = out_str.strip(strip_chars)
+
+            if out_str_stripped == "RX OK - Unexpected":
+                selftest.notify("HOST: Unexpected output returned indicating RX still functioning")
+            else:
+                selftest.notify("HOST: Extraneous output '%s' detected indicating unknown error" % out_str_stripped)
+
+            return selftest.RESULT_FAILURE