4Copyright (c) 2011-2016 ARM Limited
6Licensed under the Apache License, Version 2.0 (the "License");
7you may not use this file except in compliance with the License.
8You may obtain a copy of the License at
10 http://www.apache.org/licenses/LICENSE-2.0
12Unless required by applicable law or agreed to in writing, software
13distributed under the License is distributed on an "AS IS" BASIS,
14WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15See the License for the specific language governing permissions and
16limitations under the License.
21from serial
import Serial, SerialException
22from mbed_host_tests
import host_tests_plugins
24from .conn_primitive
import ConnectorPrimitive, ConnectorPrimitiveException
28 def __init__(self, name, port, baudrate, config):
29 ConnectorPrimitive.__init__(self, name)
48 if serial_port
is None:
51 if serial_port != self.
port:
53 self.
logger.prn_inf(
"serial port changed from '%s to '%s')"% (self.
port, serial_port))
54 self.
port = serial_port
56 startTime = time.time()
64 except SerialException
as e:
71 self.
logger.prn_err(str(e))
80 """! Reset device using selected method, calls one of the reset plugins """
81 reset_type = self.
config.get(
'reset_type',
'default')
83 reset_type =
'default'
84 disk = self.
config.get(
'disk',
None)
86 self.
logger.prn_inf(
"reset device using '%s' plugin..."% reset_type)
87 result = host_tests_plugins.call_plugin(
'ResetMethod',
92 polling_timeout=self.
config.get(
'polling_timeout'))
95 self.
logger.prn_inf(
"waiting %.2f sec after reset"% delay)
97 self.
logger.prn_inf(
"wait for it...")
101 """! Read data from serial port RX buffer """
109 except SerialException
as e:
112 self.
logger.prn_err(str(e))
115 def write(self, payload, log=False):
116 """! Write data to serial port TX buffer """
121 self.
logger.prn_txd(payload)
123 except SerialException
as e:
125 self.
LAST_ERRORLAST_ERROR =
"connection lost, serial.write(%d bytes): %s"% (len(payload), str(e))
126 self.
logger.prn_err(str(e))
finish(self)
Handle DUT dtor like (close resource) operations here.
write(self, payload, log=False)
Write data to serial port TX buffer.
connected(self)
Check if there is a connection to DUT.
finish(self)
Handle DUT dtor like (close resource) operations here.
read(self, count)
Read data from serial port RX buffer.
reset(self)
Reset the dut.
reset_dev_via_serial(self, delay=1)
Reset device using selected method, calls one of the reset plugins.
__init__(self, name, port, baudrate, config)
flush(self)
Flush read/write channels of DUT.
Base class for all plugins used with host tests.