258 lines
9 KiB
Python
258 lines
9 KiB
Python
# Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http:#www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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""" DUT for IDF applications """
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import os
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import re
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import subprocess
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import functools
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import random
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import tempfile
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import subprocess
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# python2 and python3 queue package name is different
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try:
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import Queue as _queue
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except ImportError:
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import queue as _queue
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from serial.tools import list_ports
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import DUT
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import Utility
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class IDFToolError(OSError):
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pass
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class IDFDUTException(RuntimeError):
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pass
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class IDFRecvThread(DUT.RecvThread):
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PERFORMANCE_PATTERN = re.compile(r"\[Performance]\[(\w+)]: ([^\r\n]+)\r?\n")
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EXCEPTION_PATTERNS = [
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re.compile(r"(Guru Meditation Error: Core\s+\d panic'ed \([\w].*?\))"),
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re.compile(r"(abort\(\) was called at PC 0x[a-fA-F\d]{8} on core \d)"),
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re.compile(r"(rst 0x\d+ \(TG\dWDT_SYS_RESET|TGWDT_CPU_RESET\))")
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]
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BACKTRACE_PATTERN = re.compile(r"Backtrace:((\s(0x[0-9a-f]{8}):0x[0-9a-f]{8})+)")
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BACKTRACE_ADDRESS_PATTERN = re.compile(r"(0x[0-9a-f]{8}):0x[0-9a-f]{8}")
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def __init__(self, read, dut):
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super(IDFRecvThread, self).__init__(read, dut)
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self.exceptions = _queue.Queue()
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def collect_performance(self, comp_data):
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matches = self.PERFORMANCE_PATTERN.findall(comp_data)
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for match in matches:
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Utility.console_log("[Performance][{}]: {}".format(match[0], match[1]),
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color="orange")
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def detect_exception(self, comp_data):
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for pattern in self.EXCEPTION_PATTERNS:
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start = 0
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while True:
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match = pattern.search(comp_data, pos=start)
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if match:
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start = match.end()
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self.exceptions.put(match.group(0))
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Utility.console_log("[Exception]: {}".format(match.group(0)), color="red")
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else:
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break
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def detect_backtrace(self, comp_data):
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start = 0
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while True:
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match = self.BACKTRACE_PATTERN.search(comp_data, pos=start)
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if match:
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start = match.end()
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Utility.console_log("[Backtrace]:{}".format(match.group(1)), color="red")
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# translate backtrace
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addresses = self.BACKTRACE_ADDRESS_PATTERN.findall(match.group(1))
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translated_backtrace = ""
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for addr in addresses:
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ret = self.dut.lookup_pc_address(addr)
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if ret:
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translated_backtrace += ret + "\n"
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if translated_backtrace:
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Utility.console_log("Translated backtrace\n:" + translated_backtrace, color="yellow")
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else:
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Utility.console_log("Failed to translate backtrace", color="yellow")
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else:
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break
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CHECK_FUNCTIONS = [collect_performance, detect_exception, detect_backtrace]
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def _tool_method(func):
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""" close port, execute tool method and then reopen port """
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@functools.wraps(func)
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def handler(self, *args, **kwargs):
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self.close()
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ret = func(self, *args, **kwargs)
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self.open()
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return ret
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return handler
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class IDFDUT(DUT.SerialDUT):
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""" IDF DUT, extends serial with ESPTool methods """
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CHIP_TYPE_PATTERN = re.compile(r"Detecting chip type[.:\s]+(.+)")
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# if need to erase NVS partition in start app
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ERASE_NVS = True
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RECV_THREAD_CLS = IDFRecvThread
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TOOLCHAIN_PREFIX = "xtensa-esp32-elf-"
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def __init__(self, name, port, log_file, app, allow_dut_exception=False, **kwargs):
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self.download_config, self.partition_table = app.process_app_info()
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super(IDFDUT, self).__init__(name, port, log_file, app, **kwargs)
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self.allow_dut_exception = allow_dut_exception
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@classmethod
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def get_chip(cls, app, port):
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"""
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get chip id via esptool
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:param app: application instance (to get tool)
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:param port: comport
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:return: chip ID or None
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"""
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try:
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output = subprocess.check_output(["python", app.esptool, "--port", port, "chip_id"])
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except subprocess.CalledProcessError:
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output = bytes()
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if isinstance(output, bytes):
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output = output.decode()
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chip_type = cls.CHIP_TYPE_PATTERN.search(output)
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return chip_type.group(1) if chip_type else None
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@classmethod
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def confirm_dut(cls, port, app, **kwargs):
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return cls.get_chip(app, port) is not None
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@_tool_method
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def start_app(self, erase_nvs=ERASE_NVS):
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"""
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download and start app.
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:param: erase_nvs: whether erase NVS partition during flash
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:return: None
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"""
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if erase_nvs:
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address = self.partition_table["nvs"]["offset"]
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size = self.partition_table["nvs"]["size"]
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nvs_file = tempfile.NamedTemporaryFile()
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nvs_file.write(chr(0xFF) * size)
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nvs_file.flush()
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download_config = self.download_config + [address, nvs_file.name]
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else:
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download_config = self.download_config
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retry_baud_rates = ["921600", "115200"]
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error = IDFToolError()
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try:
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for baud_rate in retry_baud_rates:
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try:
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subprocess.check_output(["python", self.app.esptool,
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"--port", self.port, "--baud", baud_rate]
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+ download_config)
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break
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except subprocess.CalledProcessError as error:
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continue
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else:
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raise error
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finally:
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if erase_nvs:
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nvs_file.close()
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@_tool_method
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def reset(self):
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"""
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reset DUT with esptool
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:return: None
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"""
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subprocess.check_output(["python", self.app.esptool, "--port", self.port, "run"])
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@_tool_method
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def erase_partition(self, partition):
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"""
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:param partition: partition name to erase
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:return: None
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"""
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address = self.partition_table[partition]["offset"]
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size = self.partition_table[partition]["size"]
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with open(".erase_partition.tmp", "wb") as f:
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f.write(chr(0xFF) * size)
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@_tool_method
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def dump_flush(self, output_file, **kwargs):
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"""
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dump flush
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:param output_file: output file name, if relative path, will use sdk path as base path.
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:keyword partition: partition name, dump the partition.
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``partition`` is preferred than using ``address`` and ``size``.
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:keyword address: dump from address (need to be used with size)
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:keyword size: dump size (need to be used with address)
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:return: None
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"""
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if os.path.isabs(output_file) is False:
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output_file = os.path.relpath(output_file, self.app.get_log_folder())
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if "partition" in kwargs:
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partition = self.partition_table[kwargs["partition"]]
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_address = partition["offset"]
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_size = partition["size"]
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elif "address" in kwargs and "size" in kwargs:
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_address = kwargs["address"]
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_size = kwargs["size"]
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else:
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raise IDFToolError("You must specify 'partition' or ('address' and 'size') to dump flash")
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subprocess.check_output(
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["python", self.app.esptool, "--port", self.port, "--baud", "921600",
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"--before", "default_reset", "--after", "hard_reset", "read_flash",
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_address, _size, output_file]
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)
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def lookup_pc_address(self, pc_addr):
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cmd = ["%saddr2line" % self.TOOLCHAIN_PREFIX,
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"-pfiaC", "-e", self.app.elf_file, pc_addr]
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ret = ""
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try:
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translation = subprocess.check_output(cmd)
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ret = translation.decode()
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except OSError:
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pass
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return ret
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def get_exceptions(self):
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""" Get exceptions detected by DUT receive thread. """
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exceptions = []
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if self.receive_thread:
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while True:
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try:
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exceptions.append(self.receive_thread.exceptions.get(timeout=0))
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except _queue.Empty:
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break
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return exceptions
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def close(self):
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super(IDFDUT, self).close()
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if not self.allow_dut_exception and self.get_exceptions():
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Utility.console_log("DUT exception detected on {}".format(self), color="red")
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raise IDFDUTException()
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