uart: add tcsendbreak support

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Alex Tereschenko <alext.mkrs@gmail.com>

tests/mock/CMakeLists.txt

@@ -39,6 +39,7 @@ add_test (NAME py_uart_checks_set_timeout COMMAND ${PYTHON_DEFAULT_EXECUTABLE} $
 add_test (NAME py_uart_checks_data_available COMMAND ${PYTHON_DEFAULT_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/uart_checks_data_available.py)
 add_test (NAME py_uart_checks_write COMMAND ${PYTHON_DEFAULT_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/uart_checks_write.py)
 add_test (NAME py_uart_checks_read COMMAND ${PYTHON_DEFAULT_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/uart_checks_read.py)
+add_test (NAME py_uart_checks_sendbreak COMMAND ${PYTHON_DEFAULT_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/uart_checks_sendbreak.py)
 
 set_tests_properties(py_general
                      py_platform
@@ -76,4 +77,5 @@ set_tests_properties(py_general
                      py_uart_checks_data_available
                      py_uart_checks_write
                      py_uart_checks_read
+                     py_uart_checks_sendbreak
                      PROPERTIES ENVIRONMENT "PYTHONPATH=${PYTHON_DEFAULT_PYTHONPATH}")

tests/mock/uart_checks_sendbreak.py

@@ -0,0 +1,43 @@
+#!/usr/bin/env python
+
+# Author: Jon Trulson <jtrulson@ics.com>
+# Copyright (c) 2017 Intel Corporation.
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+import mraa as m
+import unittest as u
+
+from uart_checks_shared import *
+
+class UartChecksSendbreak(u.TestCase):
+  def setUp(self):
+    self.uart = m.Uart(MRAA_UART_DEV_NUM)
+
+  def tearDown(self):
+    del self.uart
+
+  def test_uart_sendbreak(self):
+    self.assertEqual(self.uart.sendBreak(0),
+                     m.SUCCESS,
+                     "Running UART sendBreak() did not return success")
+
+if __name__ == "__main__":
+  u.main()