| # Copyright (c) 2009-2021 Arm Limited |
| # SPDX-License-Identifier: Apache-2.0 |
| # |
| # 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. |
| |
| from pw_hdlc import rpc |
| |
| |
| class PigweedClient: |
| def __init__(self, device, protos): |
| """ |
| Pigweed Client class containing RPC client initialization and service functions |
| Create HdlcRpcCLient object and redirect serial communication to it |
| :param device: test device instance |
| :param protos: array of RPC protocols |
| """ |
| self.device = device |
| self.device.stop() |
| self.last_timeout = self.device.serial.get_timeout() |
| self.device.serial.set_timeout(0.01) |
| reader = rpc.Serialreader(self.device.serial, 4096) |
| self._pw_rpc_client = rpc.HdlcRpcClient( |
| reader, |
| protos, |
| rpc.default_channels(self.device.serial.write)) |
| self._rpcs = self._pw_rpc_client.rpcs() |
| |
| def __del__(self): |
| self.device.serial.set_timeout(self.last_timeout) |
| self.device.start() |
| |
| @property |
| def rpcs(self): |
| return self._rpcs |
| |
| def __enter__(self) -> 'PigweedClient': |
| return self |
| |
| def __exit__(self, *exc_info) -> None: |
| self.stop() |
| |
| def stop(self) -> None: |
| self._pw_rpc_client.stop() |
