esp-idf/examples/protocols/esp_local_ctrl/scripts/proto_lc.py

96 lines
3.1 KiB
Python

# SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: Apache-2.0
#
import importlib.util
import os
import sys
from importlib.abc import Loader
from typing import Any
def _load_source(name: str, path: str) -> Any:
spec = importlib.util.spec_from_file_location(name, path)
if not spec:
return None
module = importlib.util.module_from_spec(spec)
sys.modules[spec.name] = module
assert isinstance(spec.loader, Loader)
spec.loader.exec_module(module)
return module
idf_path = os.environ['IDF_PATH']
constants_pb2 = _load_source('constants_pb2', idf_path + '/components/protocomm/python/constants_pb2.py')
local_ctrl_pb2 = _load_source('esp_local_ctrl_pb2', idf_path + '/components/esp_local_ctrl/python/esp_local_ctrl_pb2.py')
def to_bytes(s: str) -> bytes:
return bytes(s, encoding='latin-1')
def get_prop_count_request(security_ctx):
req = local_ctrl_pb2.LocalCtrlMessage()
req.msg = local_ctrl_pb2.TypeCmdGetPropertyCount
payload = local_ctrl_pb2.CmdGetPropertyCount()
req.cmd_get_prop_count.MergeFrom(payload)
enc_cmd = security_ctx.encrypt_data(req.SerializeToString())
return enc_cmd
def get_prop_count_response(security_ctx, response_data):
decrypt = security_ctx.decrypt_data(to_bytes(response_data))
resp = local_ctrl_pb2.LocalCtrlMessage()
resp.ParseFromString(decrypt)
if (resp.resp_get_prop_count.status == 0):
return resp.resp_get_prop_count.count
else:
return 0
def get_prop_vals_request(security_ctx, indices):
req = local_ctrl_pb2.LocalCtrlMessage()
req.msg = local_ctrl_pb2.TypeCmdGetPropertyValues
payload = local_ctrl_pb2.CmdGetPropertyValues()
payload.indices.extend(indices)
req.cmd_get_prop_vals.MergeFrom(payload)
enc_cmd = security_ctx.encrypt_data(req.SerializeToString())
return enc_cmd
def get_prop_vals_response(security_ctx, response_data):
decrypt = security_ctx.decrypt_data(to_bytes(response_data))
resp = local_ctrl_pb2.LocalCtrlMessage()
resp.ParseFromString(decrypt)
results = []
if (resp.resp_get_prop_vals.status == 0):
for prop in resp.resp_get_prop_vals.props:
results += [{
'name': prop.name,
'type': prop.type,
'flags': prop.flags,
'value': prop.value
}]
return results
def set_prop_vals_request(security_ctx, indices, values):
req = local_ctrl_pb2.LocalCtrlMessage()
req.msg = local_ctrl_pb2.TypeCmdSetPropertyValues
payload = local_ctrl_pb2.CmdSetPropertyValues()
for i, v in zip(indices, values):
prop = payload.props.add()
prop.index = i
prop.value = v
req.cmd_set_prop_vals.MergeFrom(payload)
enc_cmd = security_ctx.encrypt_data(req.SerializeToString())
return enc_cmd
def set_prop_vals_response(security_ctx, response_data):
decrypt = security_ctx.decrypt_data(to_bytes(response_data))
resp = local_ctrl_pb2.LocalCtrlMessage()
resp.ParseFromString(decrypt)
return (resp.resp_set_prop_vals.status == 0)