| # Copyright (c) 2020 Project CHIP Authors |
| # |
| # 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 os |
| from pathlib import Path |
| import serial # type: ignore |
| import importlib |
| |
| from pw_hdlc.rpc import HdlcRpcClient |
| |
| # Point the script to the .proto file with our RPC services. |
| PROTO = Path(os.environ["PW_ROOT"], "pw_rpc/pw_rpc_protos/echo.proto") |
| |
| MOBLY_CONTROLLER_CONFIG_NAME = "PigweedDevice" |
| |
| |
| class Error(Exception): |
| """This is the Exception class defined for all errors.""" |
| |
| |
| class PigweedDevice: |
| def __init__(self, device_tty, baud, platform_module=None, platform_args=None): |
| self.pw_rpc_client = HdlcRpcClient( |
| serial.Serial(device_tty, baud), [PROTO]) |
| self._platform = None |
| print("Platform args: %s" % platform_args) |
| print("Platform module: %s" % platform_module) |
| if platform_module: |
| m = importlib.import_module(platform_module) |
| create_platform_method = getattr(m, "create_platform") |
| self._platform = create_platform_method(platform_args) |
| |
| def rpcs(self): |
| return self.pw_rpc_client.rpcs().pw.rpc |
| |
| @property |
| def platform(self): |
| return self._platform |
| |
| |
| def create(configs): |
| """Initializes the CHIP devices based on the testbed configuration. |
| |
| Args: |
| configs: a list of testbed configs. |
| |
| Returns: |
| a list of device objects |
| """ |
| objs = [] |
| for config in configs: |
| _validate_config(config) |
| device = PigweedDevice(**config) |
| objs.append(device) |
| return objs |
| |
| |
| def destroy(unused_objs): |
| """Destroys the wearable objects. |
| |
| Args: |
| unused_objs: a list of device objects. |
| """ |
| pass |
| |
| |
| def _validate_config(config): |
| """Verifies that a config dict for a CHIP device is valid. |
| |
| Args: |
| config: A dict that is the configuration for a CHIP device. |
| |
| Raises: |
| chip_device.Error: Config file is not valid. |
| """ |
| required_keys = ["device_tty", "baud"] # A placeholder. |
| for key in required_keys: |
| if key not in config: |
| raise Error("Required key %s missing from config %s" % |
| (key, config)) |