esp-idf/tools/tiny-test-fw/IDF/IDFApp.py

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# Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD
#
# 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.
""" IDF Test Applications """
import subprocess
import os
import json
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import App
class IDFApp(App.BaseApp):
"""
Implements common esp-idf application behavior.
idf applications should inherent from this class and overwrite method get_binary_path.
"""
IDF_DOWNLOAD_CONFIG_FILE = "download.config"
IDF_FLASH_ARGS_FILE = "flasher_args.json"
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def __init__(self, app_path):
super(IDFApp, self).__init__(app_path)
self.idf_path = self.get_sdk_path()
self.binary_path = self.get_binary_path(app_path)
self.elf_file = self._get_elf_file_path(self.binary_path)
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assert os.path.exists(self.binary_path)
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sdkconfig_dict = self.get_sdkconfig()
if "CONFIG_APP_BUILD_GENERATE_BINARIES" in sdkconfig_dict:
# There are no flashing targets available when no binaries where generated.
if self.IDF_DOWNLOAD_CONFIG_FILE not in os.listdir(self.binary_path):
if self.IDF_FLASH_ARGS_FILE not in os.listdir(self.binary_path):
msg = ("Neither {} nor {} exists. "
"Try to run 'make print_flash_cmd | tail -n 1 > {}/{}' "
"or 'idf.py build' "
"for resolving the issue."
"").format(self.IDF_DOWNLOAD_CONFIG_FILE, self.IDF_FLASH_ARGS_FILE,
self.binary_path, self.IDF_DOWNLOAD_CONFIG_FILE)
raise AssertionError(msg)
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self.flash_files, self.flash_settings = self._parse_flash_download_config()
self.partition_table = self._parse_partition_table()
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@classmethod
def get_sdk_path(cls):
idf_path = os.getenv("IDF_PATH")
assert idf_path
assert os.path.exists(idf_path)
return idf_path
def _get_sdkconfig_paths(self):
"""
returns list of possible paths where sdkconfig could be found
Note: could be overwritten by a derived class to provide other locations or order
"""
return [os.path.join(self.binary_path, "sdkconfig"), os.path.join(self.binary_path, "..", "sdkconfig")]
def get_sdkconfig(self):
"""
reads sdkconfig and returns a dictionary with all configuredvariables
:param sdkconfig_file: location of sdkconfig
:raise: AssertionError: if sdkconfig file does not exist in defined paths
"""
d = {}
sdkconfig_file = None
for i in self._get_sdkconfig_paths():
if os.path.exists(i):
sdkconfig_file = i
break
assert sdkconfig_file is not None
with open(sdkconfig_file) as f:
for line in f:
configs = line.split('=')
if len(configs) == 2:
d[configs[0]] = configs[1].rstrip()
return d
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def get_binary_path(self, app_path):
"""
get binary path according to input app_path.
subclass must overwrite this method.
:param app_path: path of application
:return: abs app binary path
"""
pass
@staticmethod
def _get_elf_file_path(binary_path):
ret = ""
file_names = os.listdir(binary_path)
for fn in file_names:
if os.path.splitext(fn)[1] == ".elf":
ret = os.path.join(binary_path, fn)
return ret
def _parse_flash_download_config(self):
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"""
Parse flash download config from build metadata files
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Sets self.flash_files, self.flash_settings
(Called from constructor)
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Returns (flash_files, flash_settings)
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"""
if self.IDF_FLASH_ARGS_FILE in os.listdir(self.binary_path):
# CMake version using build metadata file
with open(os.path.join(self.binary_path, self.IDF_FLASH_ARGS_FILE), "r") as f:
args = json.load(f)
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flash_files = [(offs,file) for (offs,file) in args["flash_files"].items() if offs != ""]
flash_settings = args["flash_settings"]
else:
# GNU Make version uses download.config arguments file
with open(os.path.join(self.binary_path, self.IDF_DOWNLOAD_CONFIG_FILE), "r") as f:
args = f.readlines()[-1].split(" ")
flash_files = []
flash_settings = {}
for idx in range(0, len(args), 2): # process arguments in pairs
if args[idx].startswith("--"):
# strip the -- from the command line argument
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flash_settings[args[idx][2:]] = args[idx + 1]
else:
# offs, filename
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flash_files.append((args[idx], args[idx + 1]))
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# The build metadata file does not currently have details, which files should be encrypted and which not.
# Assume that all files should be encrypted if flash encryption is enabled in development mode.
sdkconfig_dict = self.get_sdkconfig()
flash_settings["encrypt"] = "CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT" in sdkconfig_dict
# make file offsets into integers, make paths absolute
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flash_files = [(int(offs, 0), os.path.join(self.binary_path, path.strip())) for (offs, path) in flash_files]
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return (flash_files, flash_settings)
def _parse_partition_table(self):
"""
Parse partition table contents based on app binaries
Returns partition_table data
(Called from constructor)
"""
partition_tool = os.path.join(self.idf_path,
"components",
"partition_table",
"gen_esp32part.py")
assert os.path.exists(partition_tool)
for (_, path) in self.flash_files:
if "partition" in path:
partition_file = os.path.join(self.binary_path, path)
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break
else:
raise ValueError("No partition table found for IDF binary path: {}".format(self.binary_path))
process = subprocess.Popen(["python", partition_tool, partition_file],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
raw_data = process.stdout.read()
if isinstance(raw_data, bytes):
raw_data = raw_data.decode()
partition_table = dict()
for line in raw_data.splitlines():
if line[0] != "#":
try:
_name, _type, _subtype, _offset, _size, _flags = line.split(",")
if _size[-1] == "K":
_size = int(_size[:-1]) * 1024
elif _size[-1] == "M":
_size = int(_size[:-1]) * 1024 * 1024
else:
_size = int(_size)
except ValueError:
continue
partition_table[_name] = {
"type": _type,
"subtype": _subtype,
"offset": _offset,
"size": _size,
"flags": _flags
}
return partition_table
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class Example(IDFApp):
def _get_sdkconfig_paths(self):
"""
overrides the parent method to provide exact path of sdkconfig for example tests
"""
return [os.path.join(self.binary_path, "..", "sdkconfig")]
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def get_binary_path(self, app_path):
# build folder of example path
path = os.path.join(self.idf_path, app_path, "build")
if not os.path.exists(path):
# search for CI build folders
app = os.path.basename(app_path)
example_path = os.path.join(self.idf_path, "build_examples", "example_builds")
# example_path has subdirectories named after targets. So we need to look into only the right
# subdirectory. Currently, the target is not known at this moment.
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for dirpath, dirnames, files in os.walk(example_path):
if dirnames:
if dirnames[0] == app:
path = os.path.join(example_path, dirpath, dirnames[0], "build")
break
else:
raise OSError("Failed to find example binary")
return path
class UT(IDFApp):
def get_binary_path(self, app_path):
"""
:param app_path: app path or app config
:return: binary path
"""
if not app_path:
app_path = "default"
path = os.path.join(self.idf_path, app_path)
if not os.path.exists(path):
while True:
# try to get by config
if app_path == "default":
# it's default config, we first try to get form build folder of unit-test-app
path = os.path.join(self.idf_path, "tools", "unit-test-app", "build")
if os.path.exists(path):
# found, use bin in build path
break
# ``make ut-build-all-configs`` or ``make ut-build-CONFIG`` will copy binary to output folder
path = os.path.join(self.idf_path, "tools", "unit-test-app", "output", app_path)
if os.path.exists(path):
break
raise OSError("Failed to get unit-test-app binary path")
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return path
class SSC(IDFApp):
def get_binary_path(self, app_path):
# TODO: to implement SSC get binary path
return app_path
class AT(IDFApp):
def get_binary_path(self, app_path):
# TODO: to implement AT get binary path
return app_path