esp-idf/tools/idf_monitor.py

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#!/usr/bin/env python
#
# esp-idf serial output monitor tool. Does some helpful things:
# - Looks up hex addresses in ELF file with addr2line
# - Reset ESP32 via serial RTS line (Ctrl-T Ctrl-R)
# - Run flash build target to rebuild and flash entire project (Ctrl-T Ctrl-F)
# - Run app-flash build target to rebuild and flash app only (Ctrl-T Ctrl-A)
# - If gdbstub output is detected, gdb is automatically loaded
# - If core dump output is detected, it is converted to a human-readable report
# by espcoredump.py.
#
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# Copyright 2015-2021 Espressif Systems (Shanghai) CO 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.
#
# Contains elements taken from miniterm "Very simple serial terminal" which
# is part of pySerial. https://github.com/pyserial/pyserial
# (C)2002-2015 Chris Liechti <cliechti@gmx.net>
#
# Originally released under BSD-3-Clause license.
#
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from __future__ import division, print_function, unicode_literals
import argparse
import codecs
import datetime
import os
import re
import subprocess
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import threading
import time
from builtins import bytes, object
from typing import BinaryIO, Callable, List, Optional, Union
import serial.tools.miniterm as miniterm
from idf_monitor_base import (COREDUMP_DECODE_DISABLE, COREDUMP_DECODE_INFO, COREDUMP_DONE, COREDUMP_IDLE,
COREDUMP_READING, COREDUMP_UART_END, COREDUMP_UART_PROMPT, COREDUMP_UART_START,
DEFAULT_PRINT_FILTER, DEFAULT_TOOLCHAIN_PREFIX, MATCH_PCADDR, PANIC_DECODE_BACKTRACE,
PANIC_DECODE_DISABLE, PANIC_END, PANIC_IDLE, PANIC_READING, PANIC_STACK_DUMP,
PANIC_START)
from idf_monitor_base.chip_specific_config import get_chip_config
from idf_monitor_base.console_parser import ConsoleParser
from idf_monitor_base.console_reader import ConsoleReader
from idf_monitor_base.constants import (CMD_APP_FLASH, CMD_ENTER_BOOT, CMD_MAKE, CMD_OUTPUT_TOGGLE, CMD_RESET,
CMD_STOP, CMD_TOGGLE_LOGGING, CTRL_H, CTRL_T, TAG_CMD, TAG_KEY, TAG_SERIAL,
TAG_SERIAL_FLUSH)
from idf_monitor_base.exceptions import SerialStopException
from idf_monitor_base.line_matcher import LineMatcher
from idf_monitor_base.output_helpers import normal_print, red_print, yellow_print
from idf_monitor_base.serial_reader import SerialReader
from idf_monitor_base.web_socket_client import WebSocketClient
try:
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import queue # noqa
except ImportError:
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import Queue as queue # type: ignore # noqa
import shlex
import sys
import tempfile
import serial
import serial.tools.list_ports
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# Windows console stuff
from idf_monitor_base.ansi_color_converter import get_converter
key_description = miniterm.key_description
class Monitor(object):
"""
Monitor application main class.
This was originally derived from miniterm.Miniterm, but it turned out to be easier to write from scratch for this
purpose.
Main difference is that all event processing happens in the main thread, not the worker threads.
"""
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def __init__(self, serial_instance, elf_file, print_filter, make='make', encrypted=False,
toolchain_prefix=DEFAULT_TOOLCHAIN_PREFIX, eol='CRLF',
decode_coredumps=COREDUMP_DECODE_INFO,
decode_panic=PANIC_DECODE_DISABLE,
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target='esp32',
websocket_client=None, enable_address_decoding=True):
# type: (serial.Serial, str, str, str, bool, str, str, str, str, str, WebSocketClient, bool) -> None
super(Monitor, self).__init__()
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self.event_queue = queue.Queue() # type: queue.Queue
self.cmd_queue = queue.Queue() # type: queue.Queue
self.console = miniterm.Console()
self.enable_address_decoding = enable_address_decoding
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sys.stderr = get_converter(sys.stderr, decode_output=True)
self.console.output = get_converter(self.console.output)
self.console.byte_output = get_converter(self.console.byte_output)
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socket_mode = serial_instance.port.startswith(
'socket://') # testing hook - data from serial can make exit the monitor
self.serial = serial_instance
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self.console_parser = ConsoleParser(eol)
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self.console_reader = ConsoleReader(self.console, self.event_queue, self.cmd_queue, self.console_parser,
socket_mode)
self.serial_reader = SerialReader(self.serial, self.event_queue)
self.elf_file = elf_file
if not os.path.exists(make):
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# allow for possibility the "make" arg is a list of arguments (for idf.py)
self.make = shlex.split(make) # type: Union[str, List[str]]
else:
self.make = make
self.encrypted = encrypted
self.toolchain_prefix = toolchain_prefix
self.websocket_client = websocket_client
self.target = target
# internal state
self._last_line_part = b''
self._gdb_buffer = b''
self._pc_address_buffer = b''
self._line_matcher = LineMatcher(print_filter)
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self._invoke_processing_last_line_timer = None # type: Optional[threading.Timer]
self._force_line_print = False
self._output_enabled = True
self._serial_check_exit = socket_mode
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self._log_file = None # type: Optional[BinaryIO]
self._decode_coredumps = decode_coredumps
self._reading_coredump = COREDUMP_IDLE
self._coredump_buffer = b''
self._decode_panic = decode_panic
self._reading_panic = PANIC_IDLE
self._panic_buffer = b''
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self.gdb_exit = False
self.start_cmd_sent = False
def invoke_processing_last_line(self):
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# type: () -> None
self.event_queue.put((TAG_SERIAL_FLUSH, b''), False)
def main_loop(self):
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# type: () -> None
self.console_reader.start()
self.serial_reader.start()
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self.gdb_exit = False
self.start_cmd_sent = False
try:
while self.console_reader.alive and self.serial_reader.alive:
try:
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if self.gdb_exit is True:
self.gdb_exit = False
time.sleep(0.3)
try:
# Continue the program after exit from the GDB
self.serial.write(codecs.encode('+$c#63'))
self.start_cmd_sent = True
except serial.SerialException:
pass # this shouldn't happen, but sometimes port has closed in serial thread
except UnicodeEncodeError:
pass # this can happen if a non-ascii character was passed, ignoring
try:
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item = self.cmd_queue.get_nowait()
except queue.Empty:
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try:
item = self.event_queue.get(True, 0.03)
except queue.Empty:
continue
(event_tag, data) = item
if event_tag == TAG_CMD:
self.handle_commands(data, self.target)
elif event_tag == TAG_KEY:
try:
self.serial.write(codecs.encode(data))
except serial.SerialException:
pass # this shouldn't happen, but sometimes port has closed in serial thread
except UnicodeEncodeError:
pass # this can happen if a non-ascii character was passed, ignoring
elif event_tag == TAG_SERIAL:
self.handle_serial_input(data)
if self._invoke_processing_last_line_timer is not None:
self._invoke_processing_last_line_timer.cancel()
self._invoke_processing_last_line_timer = threading.Timer(0.1, self.invoke_processing_last_line)
self._invoke_processing_last_line_timer.start()
# If no futher data is received in the next short period
# of time then the _invoke_processing_last_line_timer
# generates an event which will result in the finishing of
# the last line. This is fix for handling lines sent
# without EOL.
elif event_tag == TAG_SERIAL_FLUSH:
self.handle_serial_input(data, finalize_line=True)
else:
raise RuntimeError('Bad event data %r' % ((event_tag,data),))
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except KeyboardInterrupt:
try:
yellow_print('To exit from IDF monitor please use \"Ctrl+]\"')
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self.serial.write(codecs.encode('\x03'))
except serial.SerialException:
pass # this shouldn't happen, but sometimes port has closed in serial thread
except UnicodeEncodeError:
pass # this can happen if a non-ascii character was passed, ignoring
except SerialStopException:
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normal_print('Stopping condition has been received\n')
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except KeyboardInterrupt:
pass
finally:
try:
self.console_reader.stop()
self.serial_reader.stop()
self.stop_logging()
# Cancelling _invoke_processing_last_line_timer is not
# important here because receiving empty data doesn't matter.
self._invoke_processing_last_line_timer = None
except Exception:
pass
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normal_print('\n')
def handle_serial_input(self, data, finalize_line=False):
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# type: (bytes, bool) -> None
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# Remove "+" after Continue command
if self.start_cmd_sent is True:
self.start_cmd_sent = False
pos = data.find(b'+')
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if pos != -1:
data = data[(pos + 1):]
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sp = data.split(b'\n')
if self._last_line_part != b'':
# add unprocessed part from previous "data" to the first line
sp[0] = self._last_line_part + sp[0]
self._last_line_part = b''
if sp[-1] != b'':
# last part is not a full line
self._last_line_part = sp.pop()
for line in sp:
if line != b'':
if self._serial_check_exit and line == self.console_parser.exit_key.encode('latin-1'):
raise SerialStopException()
self.check_panic_decode_trigger(line)
self.check_coredump_trigger_before_print(line)
if self._force_line_print or self._line_matcher.match(line.decode(errors='ignore')):
self._print(line + b'\n')
self.handle_possible_pc_address_in_line(line)
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self.check_coredump_trigger_after_print()
self.check_gdbstub_trigger(line)
self._force_line_print = False
# Now we have the last part (incomplete line) in _last_line_part. By
# default we don't touch it and just wait for the arrival of the rest
# of the line. But after some time when we didn't received it we need
# to make a decision.
if self._last_line_part != b'':
if self._force_line_print or (finalize_line and self._line_matcher.match(self._last_line_part.decode(errors='ignore'))):
self._force_line_print = True
self._print(self._last_line_part)
self.handle_possible_pc_address_in_line(self._last_line_part)
self.check_gdbstub_trigger(self._last_line_part)
# It is possible that the incomplete line cuts in half the PC
# address. A small buffer is kept and will be used the next time
# handle_possible_pc_address_in_line is invoked to avoid this problem.
# MATCH_PCADDR matches 10 character long addresses. Therefore, we
# keep the last 9 characters.
self._pc_address_buffer = self._last_line_part[-9:]
# GDB sequence can be cut in half also. GDB sequence is 7
# characters long, therefore, we save the last 6 characters.
self._gdb_buffer = self._last_line_part[-6:]
self._last_line_part = b''
# else: keeping _last_line_part and it will be processed the next time
# handle_serial_input is invoked
def handle_possible_pc_address_in_line(self, line):
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# type: (bytes) -> None
line = self._pc_address_buffer + line
self._pc_address_buffer = b''
if self.enable_address_decoding:
for m in re.finditer(MATCH_PCADDR, line.decode(errors='ignore')):
self.lookup_pc_address(m.group())
def __enter__(self):
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# type: () -> None
""" Use 'with self' to temporarily disable monitoring behaviour """
self.serial_reader.stop()
self.console_reader.stop()
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def __exit__(self, *args, **kwargs): # type: ignore
""" Use 'with self' to temporarily disable monitoring behaviour """
self.console_reader.start()
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self.serial_reader.gdb_exit = self.gdb_exit # write gdb_exit flag
self.serial_reader.start()
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def prompt_next_action(self, reason): # type: (str) -> None
self.console.setup() # set up console to trap input characters
try:
red_print('--- {}'.format(reason))
red_print(self.console_parser.get_next_action_text())
k = CTRL_T # ignore CTRL-T here, so people can muscle-memory Ctrl-T Ctrl-F, etc.
while k == CTRL_T:
k = self.console.getkey()
finally:
self.console.cleanup()
ret = self.console_parser.parse_next_action_key(k)
if ret is not None:
cmd = ret[1]
if cmd == CMD_STOP:
# the stop command should be handled last
self.event_queue.put(ret)
else:
self.cmd_queue.put(ret)
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def run_make(self, target): # type: (str) -> None
with self:
if isinstance(self.make, list):
popen_args = self.make + [target]
else:
popen_args = [self.make, target]
yellow_print('Running %s...' % ' '.join(popen_args))
p = subprocess.Popen(popen_args, env=os.environ)
try:
p.wait()
except KeyboardInterrupt:
p.wait()
if p.returncode != 0:
self.prompt_next_action('Build failed')
else:
self.output_enable(True)
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def lookup_pc_address(self, pc_addr): # type: (str) -> None
cmd = ['%saddr2line' % self.toolchain_prefix,
'-pfiaC', '-e', self.elf_file, pc_addr]
try:
translation = subprocess.check_output(cmd, cwd='.')
if b'?? ??:0' not in translation:
self._print(translation.decode(), console_printer=yellow_print)
except OSError as e:
red_print('%s: %s' % (' '.join(cmd), e))
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def check_gdbstub_trigger(self, line): # type: (bytes) -> None
line = self._gdb_buffer + line
self._gdb_buffer = b''
m = re.search(b'\\$(T..)#(..)', line) # look for a gdb "reason" for a break
if m is not None:
try:
chsum = sum(ord(bytes([p])) for p in m.group(1)) & 0xFF
calc_chsum = int(m.group(2), 16)
except ValueError:
return # payload wasn't valid hex digits
if chsum == calc_chsum:
if self.websocket_client:
yellow_print('Communicating through WebSocket')
self.websocket_client.send({'event': 'gdb_stub',
'port': self.serial.port,
'prog': self.elf_file})
yellow_print('Waiting for debug finished event')
self.websocket_client.wait([('event', 'debug_finished')])
yellow_print('Communications through WebSocket is finished')
else:
self.run_gdb()
else:
red_print('Malformed gdb message... calculated checksum %02x received %02x' % (chsum, calc_chsum))
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def check_coredump_trigger_before_print(self, line): # type: (bytes) -> None
if self._decode_coredumps == COREDUMP_DECODE_DISABLE:
return
if COREDUMP_UART_PROMPT in line:
yellow_print('Initiating core dump!')
self.event_queue.put((TAG_KEY, '\n'))
return
if COREDUMP_UART_START in line:
yellow_print('Core dump started (further output muted)')
self._reading_coredump = COREDUMP_READING
self._coredump_buffer = b''
self._output_enabled = False
return
if COREDUMP_UART_END in line:
self._reading_coredump = COREDUMP_DONE
yellow_print('\nCore dump finished!')
self.process_coredump()
return
if self._reading_coredump == COREDUMP_READING:
kb = 1024
buffer_len_kb = len(self._coredump_buffer) // kb
self._coredump_buffer += line.replace(b'\r', b'') + b'\n'
new_buffer_len_kb = len(self._coredump_buffer) // kb
if new_buffer_len_kb > buffer_len_kb:
yellow_print('Received %3d kB...' % (new_buffer_len_kb), newline='\r')
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def check_coredump_trigger_after_print(self): # type: () -> None
if self._decode_coredumps == COREDUMP_DECODE_DISABLE:
return
# Re-enable output after the last line of core dump has been consumed
if not self._output_enabled and self._reading_coredump == COREDUMP_DONE:
self._reading_coredump = COREDUMP_IDLE
self._output_enabled = True
self._coredump_buffer = b''
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def process_coredump(self): # type: () -> None
if self._decode_coredumps != COREDUMP_DECODE_INFO:
raise NotImplementedError('process_coredump: %s not implemented' % self._decode_coredumps)
coredump_script = os.path.join(os.path.dirname(__file__), '..', 'components', 'espcoredump', 'espcoredump.py')
coredump_file = None
try:
# On Windows, the temporary file can't be read unless it is closed.
# Set delete=False and delete the file manually later.
with tempfile.NamedTemporaryFile(mode='wb', delete=False) as coredump_file:
coredump_file.write(self._coredump_buffer)
coredump_file.flush()
if self.websocket_client:
self._output_enabled = True
yellow_print('Communicating through WebSocket')
self.websocket_client.send({'event': 'coredump',
'file': coredump_file.name,
'prog': self.elf_file})
yellow_print('Waiting for debug finished event')
self.websocket_client.wait([('event', 'debug_finished')])
yellow_print('Communications through WebSocket is finished')
else:
cmd = [sys.executable,
coredump_script,
'info_corefile',
'--core', coredump_file.name,
'--core-format', 'b64',
self.elf_file
]
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self._output_enabled = True
self._print(output)
self._output_enabled = False # Will be reenabled in check_coredump_trigger_after_print
except subprocess.CalledProcessError as e:
yellow_print('Failed to run espcoredump script: {}\n{}\n\n'.format(e, e.output))
self._output_enabled = True
self._print(COREDUMP_UART_START + b'\n')
self._print(self._coredump_buffer)
# end line will be printed in handle_serial_input
finally:
if coredump_file is not None:
try:
os.unlink(coredump_file.name)
except OSError as e:
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yellow_print('Couldn\'t remote temporary core dump file ({})'.format(e))
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def check_panic_decode_trigger(self, line): # type: (bytes) -> None
if self._decode_panic == PANIC_DECODE_DISABLE:
return
if self._reading_panic == PANIC_IDLE and re.search(PANIC_START, line.decode('ascii', errors='ignore')):
self._reading_panic = PANIC_READING
yellow_print('Stack dump detected')
if self._reading_panic == PANIC_READING and PANIC_STACK_DUMP in line:
self._output_enabled = False
if self._reading_panic == PANIC_READING:
self._panic_buffer += line.replace(b'\r', b'') + b'\n'
if self._reading_panic == PANIC_READING and PANIC_END in line:
self._reading_panic = PANIC_IDLE
self._output_enabled = True
self.process_panic_output(self._panic_buffer)
self._panic_buffer = b''
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def process_panic_output(self, panic_output): # type: (bytes) -> None
panic_output_decode_script = os.path.join(os.path.dirname(__file__), '..', 'tools', 'gdb_panic_server.py')
panic_output_file = None
try:
# On Windows, the temporary file can't be read unless it is closed.
# Set delete=False and delete the file manually later.
with tempfile.NamedTemporaryFile(mode='wb', delete=False) as panic_output_file:
panic_output_file.write(panic_output)
panic_output_file.flush()
cmd = [self.toolchain_prefix + 'gdb',
'--batch', '-n',
self.elf_file,
'-ex', "target remote | \"{python}\" \"{script}\" --target {target} \"{output_file}\""
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.format(python=sys.executable,
script=panic_output_decode_script,
target=self.target,
output_file=panic_output_file.name),
'-ex', 'bt']
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
yellow_print('\nBacktrace:\n\n')
self._print(output)
except subprocess.CalledProcessError as e:
yellow_print('Failed to run gdb_panic_server.py script: {}\n{}\n\n'.format(e, e.output))
self._print(panic_output)
finally:
if panic_output_file is not None:
try:
os.unlink(panic_output_file.name)
except OSError as e:
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yellow_print('Couldn\'t remove temporary panic output file ({})'.format(e))
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def run_gdb(self): # type: () -> None
with self: # disable console control
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normal_print('')
try:
cmd = ['%sgdb' % self.toolchain_prefix,
'-ex', 'set serial baud %d' % self.serial.baudrate,
'-ex', 'target remote %s' % self.serial.port,
self.elf_file]
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# Here we handling GDB as a process
# Open GDB process
try:
process = subprocess.Popen(cmd, cwd='.')
except KeyboardInterrupt:
pass
# We ignore Ctrl+C interrupt form external process abd wait responce util GDB will be finished.
while True:
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try:
process.wait()
break
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except KeyboardInterrupt:
pass # We ignore the Ctrl+C
self.gdb_exit = True
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except OSError as e:
red_print('%s: %s' % (' '.join(cmd), e))
except KeyboardInterrupt:
pass # happens on Windows, maybe other OSes
finally:
try:
# on Linux, maybe other OSes, gdb sometimes seems to be alive even after wait() returns...
process.terminate()
except Exception:
pass
try:
# also on Linux, maybe other OSes, gdb sometimes exits uncleanly and breaks the tty mode
subprocess.call(['stty', 'sane'])
except Exception:
pass # don't care if there's no stty, we tried...
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def output_enable(self, enable): # type: (bool) -> None
self._output_enabled = enable
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def output_toggle(self): # type: () -> None
self._output_enabled = not self._output_enabled
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yellow_print('\nToggle output display: {}, Type Ctrl-T Ctrl-Y to show/disable output again.'.format(
self._output_enabled))
def toggle_logging(self): # type: () -> None
if self._log_file:
self.stop_logging()
else:
self.start_logging()
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def start_logging(self): # type: () -> None
if not self._log_file:
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name = 'log.{}.{}.txt'.format(os.path.splitext(os.path.basename(self.elf_file))[0],
datetime.datetime.now().strftime('%Y%m%d%H%M%S'))
try:
self._log_file = open(name, 'wb+')
yellow_print('\nLogging is enabled into file {}'.format(name))
except Exception as e:
red_print('\nLog file {} cannot be created: {}'.format(name, e))
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def stop_logging(self): # type: () -> None
if self._log_file:
try:
name = self._log_file.name
self._log_file.close()
yellow_print('\nLogging is disabled and file {} has been closed'.format(name))
except Exception as e:
red_print('\nLog file cannot be closed: {}'.format(e))
finally:
self._log_file = None
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def _print(self, string, console_printer=None): # type: (Union[str, bytes], Optional[Callable]) -> None
if console_printer is None:
console_printer = self.console.write_bytes
if self._output_enabled:
console_printer(string)
if self._log_file:
try:
if isinstance(string, type(u'')):
string = string.encode()
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self._log_file.write(string) # type: ignore
except Exception as e:
red_print('\nCannot write to file: {}'.format(e))
# don't fill-up the screen with the previous errors (probably consequent prints would fail also)
self.stop_logging()
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def handle_commands(self, cmd, chip): # type: (int, str) -> None
config = get_chip_config(chip)
reset_delay = config['reset']
enter_boot_set = config['enter_boot_set']
enter_boot_unset = config['enter_boot_unset']
high = False
low = True
if cmd == CMD_STOP:
self.console_reader.stop()
self.serial_reader.stop()
elif cmd == CMD_RESET:
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self.serial.setRTS(low)
self.serial.setDTR(self.serial.dtr) # usbser.sys workaround
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time.sleep(reset_delay)
self.serial.setRTS(high)
self.serial.setDTR(self.serial.dtr) # usbser.sys workaround
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self.output_enable(low)
elif cmd == CMD_MAKE:
self.run_make('encrypted-flash' if self.encrypted else 'flash')
elif cmd == CMD_APP_FLASH:
self.run_make('encrypted-app-flash' if self.encrypted else 'app-flash')
elif cmd == CMD_OUTPUT_TOGGLE:
self.output_toggle()
elif cmd == CMD_TOGGLE_LOGGING:
self.toggle_logging()
elif cmd == CMD_ENTER_BOOT:
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self.serial.setDTR(high) # IO0=HIGH
self.serial.setRTS(low) # EN=LOW, chip in reset
self.serial.setDTR(self.serial.dtr) # usbser.sys workaround
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time.sleep(enter_boot_set) # timeouts taken from esptool.py, includes esp32r0 workaround. defaults: 0.1
self.serial.setDTR(low) # IO0=LOW
self.serial.setRTS(high) # EN=HIGH, chip out of reset
self.serial.setDTR(self.serial.dtr) # usbser.sys workaround
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time.sleep(enter_boot_unset) # timeouts taken from esptool.py, includes esp32r0 workaround. defaults: 0.05
self.serial.setDTR(high) # IO0=HIGH, done
else:
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raise RuntimeError('Bad command data %d' % cmd) # type: ignore
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def main(): # type: () -> None
parser = argparse.ArgumentParser('idf_monitor - a serial output monitor for esp-idf')
parser.add_argument(
'--port', '-p',
help='Serial port device',
default=os.environ.get('ESPTOOL_PORT', '/dev/ttyUSB0')
)
parser.add_argument(
'--disable-address-decoding', '-d',
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help="Don't print lines about decoded addresses from the application ELF file",
action='store_true',
default=True if os.environ.get('ESP_MONITOR_DECODE') == 0 else False
)
parser.add_argument(
'--baud', '-b',
help='Serial port baud rate',
type=int,
default=os.getenv('IDF_MONITOR_BAUD', os.getenv('MONITORBAUD', 115200)))
parser.add_argument(
'--make', '-m',
help='Command to run make',
type=str, default='make')
parser.add_argument(
'--encrypted',
help='Use encrypted targets while running make',
action='store_true')
parser.add_argument(
'--toolchain-prefix',
help='Triplet prefix to add before cross-toolchain names',
default=DEFAULT_TOOLCHAIN_PREFIX)
parser.add_argument(
'--eol',
choices=['CR', 'LF', 'CRLF'],
type=lambda c: c.upper(),
help='End of line to use when sending to the serial port',
default='CR')
parser.add_argument(
'elf_file', help='ELF file of application',
type=argparse.FileType('rb'))
parser.add_argument(
'--print_filter',
help='Filtering string',
default=DEFAULT_PRINT_FILTER)
parser.add_argument(
'--decode-coredumps',
choices=[COREDUMP_DECODE_INFO, COREDUMP_DECODE_DISABLE],
default=COREDUMP_DECODE_INFO,
help='Handling of core dumps found in serial output'
)
parser.add_argument(
'--decode-panic',
choices=[PANIC_DECODE_BACKTRACE, PANIC_DECODE_DISABLE],
default=PANIC_DECODE_DISABLE,
help='Handling of panic handler info found in serial output'
)
parser.add_argument(
'--target',
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help='Target name (used when stack dump decoding is enabled)',
default=os.environ.get('IDF_TARGET', 'esp32')
)
parser.add_argument(
'--revision',
help='Revision of the target',
type=int,
default=0
)
parser.add_argument(
'--ws',
default=os.environ.get('ESP_IDF_MONITOR_WS', None),
help='WebSocket URL for communicating with IDE tools for debugging purposes'
)
args = parser.parse_args()
# GDB uses CreateFile to open COM port, which requires the COM name to be r'\\.\COMx' if the COM
# number is larger than 10
if os.name == 'nt' and args.port.startswith('COM'):
args.port = args.port.replace('COM', r'\\.\COM')
yellow_print('--- WARNING: GDB cannot open serial ports accessed as COMx')
yellow_print('--- Using %s instead...' % args.port)
elif args.port.startswith('/dev/tty.') and sys.platform == 'darwin':
args.port = args.port.replace('/dev/tty.', '/dev/cu.')
yellow_print('--- WARNING: Serial ports accessed as /dev/tty.* will hang gdb if launched.')
yellow_print('--- Using %s instead...' % args.port)
serial_instance = serial.serial_for_url(args.port, args.baud,
do_not_open=True)
serial_instance.dtr = False
serial_instance.rts = False
args.elf_file.close() # don't need this as a file
# remove the parallel jobserver arguments from MAKEFLAGS, as any
# parent make is only running 1 job (monitor), so we can re-spawn
# all of the child makes we need (the -j argument remains part of
# MAKEFLAGS)
try:
makeflags = os.environ['MAKEFLAGS']
makeflags = re.sub(r'--jobserver[^ =]*=[0-9,]+ ?', '', makeflags)
os.environ['MAKEFLAGS'] = makeflags
except KeyError:
pass # not running a make jobserver
# Pass the actual used port to callee of idf_monitor (e.g. make) through `ESPPORT` environment
# variable
# To make sure the key as well as the value are str type, by the requirements of subprocess
espport_key = str('ESPPORT')
espport_val = str(args.port)
os.environ.update({espport_key: espport_val})
ws = WebSocketClient(args.ws) if args.ws else None
try:
monitor = Monitor(serial_instance, args.elf_file.name, args.print_filter, args.make, args.encrypted,
args.toolchain_prefix, args.eol,
args.decode_coredumps, args.decode_panic, args.target,
ws, enable_address_decoding=not args.disable_address_decoding)
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yellow_print('--- idf_monitor on {p.name} {p.baudrate} ---'.format(p=serial_instance))
yellow_print('--- Quit: {} | Menu: {} | Help: {} followed by {} ---'.format(
key_description(monitor.console_parser.exit_key),
key_description(monitor.console_parser.menu_key),
key_description(monitor.console_parser.menu_key),
key_description(CTRL_H)))
if args.print_filter != DEFAULT_PRINT_FILTER:
yellow_print('--- Print filter: {} ---'.format(args.print_filter))
monitor.main_loop()
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except KeyboardInterrupt:
pass
finally:
if ws:
ws.close()
if __name__ == '__main__':
main()