mirror of
https://github.com/espressif/esp-idf.git
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1316 lines
52 KiB
Python
Executable File
1316 lines
52 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# esp-idf serial output monitor tool. Does some helpful things:
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# - Looks up hex addresses in ELF file with addr2line
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# - Reset ESP32 via serial RTS line (Ctrl-T Ctrl-R)
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# - Run flash build target to rebuild and flash entire project (Ctrl-T Ctrl-F)
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# - Run app-flash build target to rebuild and flash app only (Ctrl-T Ctrl-A)
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# - If gdbstub output is detected, gdb is automatically loaded
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# - If core dump output is detected, it is converted to a human-readable report
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# by espcoredump.py.
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#
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# Copyright 2015-2016 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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#
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# Contains elements taken from miniterm "Very simple serial terminal" which
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# is part of pySerial. https://github.com/pyserial/pyserial
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# (C)2002-2015 Chris Liechti <cliechti@gmx.net>
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#
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# Originally released under BSD-3-Clause license.
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#
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from __future__ import division, print_function, unicode_literals
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import argparse
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import codecs
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import datetime
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import os
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import re
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import subprocess
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from builtins import bytes, chr, object
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try:
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import queue
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except ImportError:
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import Queue as queue
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import ctypes
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import json
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import shlex
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import sys
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import tempfile
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import textwrap
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import threading
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import time
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import types
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from distutils.version import StrictVersion
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from io import open
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import serial
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import serial.tools.list_ports
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import serial.tools.miniterm as miniterm
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try:
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import websocket
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except ImportError:
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# This is needed for IDE integration only.
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pass
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key_description = miniterm.key_description
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# Control-key characters
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CTRL_A = '\x01'
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CTRL_B = '\x02'
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CTRL_F = '\x06'
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CTRL_H = '\x08'
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CTRL_R = '\x12'
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CTRL_T = '\x14'
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CTRL_Y = '\x19'
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CTRL_P = '\x10'
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CTRL_X = '\x18'
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CTRL_L = '\x0c'
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CTRL_RBRACKET = '\x1d' # Ctrl+]
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# Command parsed from console inputs
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CMD_STOP = 1
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CMD_RESET = 2
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CMD_MAKE = 3
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CMD_APP_FLASH = 4
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CMD_OUTPUT_TOGGLE = 5
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CMD_TOGGLE_LOGGING = 6
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CMD_ENTER_BOOT = 7
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# ANSI terminal codes (if changed, regular expressions in LineMatcher need to be udpated)
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ANSI_RED = '\033[1;31m'
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ANSI_YELLOW = '\033[0;33m'
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ANSI_NORMAL = '\033[0m'
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def color_print(message, color, newline='\n'):
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""" Print a message to stderr with colored highlighting """
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sys.stderr.write('%s%s%s%s' % (color, message, ANSI_NORMAL, newline))
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def yellow_print(message, newline='\n'):
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color_print(message, ANSI_YELLOW, newline)
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def red_print(message, newline='\n'):
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color_print(message, ANSI_RED, newline)
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__version__ = '1.1'
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# Tags for tuples in queues
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TAG_KEY = 0
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TAG_SERIAL = 1
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TAG_SERIAL_FLUSH = 2
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TAG_CMD = 3
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# regex matches an potential PC value (0x4xxxxxxx)
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MATCH_PCADDR = re.compile(r'0x4[0-9a-f]{7}', re.IGNORECASE)
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DEFAULT_TOOLCHAIN_PREFIX = 'xtensa-esp32-elf-'
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DEFAULT_PRINT_FILTER = ''
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# coredump related messages
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COREDUMP_UART_START = b'================= CORE DUMP START ================='
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COREDUMP_UART_END = b'================= CORE DUMP END ================='
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COREDUMP_UART_PROMPT = b'Press Enter to print core dump to UART...'
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# coredump states
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COREDUMP_IDLE = 0
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COREDUMP_READING = 1
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COREDUMP_DONE = 2
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# coredump decoding options
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COREDUMP_DECODE_DISABLE = 'disable'
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COREDUMP_DECODE_INFO = 'info'
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# panic handler related messages
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PANIC_START = r'Core \s*\d+ register dump:'
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PANIC_END = b'ELF file SHA256:'
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PANIC_STACK_DUMP = b'Stack memory:'
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# panic handler decoding states
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PANIC_IDLE = 0
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PANIC_READING = 1
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# panic handler decoding options
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PANIC_DECODE_DISABLE = 'disable'
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PANIC_DECODE_BACKTRACE = 'backtrace'
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class StoppableThread(object):
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"""
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Provide a Thread-like class which can be 'cancelled' via a subclass-provided
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cancellation method.
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Can be started and stopped multiple times.
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Isn't an instance of type Thread because Python Thread objects can only be run once
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"""
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def __init__(self):
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self._thread = None
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@property
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def alive(self):
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"""
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Is 'alive' whenever the internal thread object exists
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"""
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return self._thread is not None
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def start(self):
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if self._thread is None:
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self._thread = threading.Thread(target=self._run_outer)
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self._thread.start()
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def _cancel(self):
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pass # override to provide cancellation functionality
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def run(self):
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pass # override for the main thread behaviour
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def _run_outer(self):
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try:
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self.run()
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finally:
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self._thread = None
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def stop(self):
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if self._thread is not None:
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old_thread = self._thread
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self._thread = None
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self._cancel()
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old_thread.join()
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class ConsoleReader(StoppableThread):
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""" Read input keys from the console and push them to the queue,
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until stopped.
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"""
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def __init__(self, console, event_queue, cmd_queue, parser, test_mode):
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super(ConsoleReader, self).__init__()
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self.console = console
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self.event_queue = event_queue
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self.cmd_queue = cmd_queue
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self.parser = parser
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self.test_mode = test_mode
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def run(self):
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self.console.setup()
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try:
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while self.alive:
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try:
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if os.name == 'nt':
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# Windows kludge: because the console.cancel() method doesn't
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# seem to work to unblock getkey() on the Windows implementation.
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#
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# So we only call getkey() if we know there's a key waiting for us.
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import msvcrt
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while not msvcrt.kbhit() and self.alive:
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time.sleep(0.1)
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if not self.alive:
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break
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elif self.test_mode:
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# In testing mode the stdin is connected to PTY but is not used for input anything. For PTY
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# the canceling by fcntl.ioctl isn't working and would hang in self.console.getkey().
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# Therefore, we avoid calling it.
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while self.alive:
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time.sleep(0.1)
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break
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c = self.console.getkey()
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except KeyboardInterrupt:
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c = '\x03'
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if c is not None:
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ret = self.parser.parse(c)
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if ret is not None:
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(tag, cmd) = ret
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# stop command should be executed last
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if tag == TAG_CMD and cmd != CMD_STOP:
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self.cmd_queue.put(ret)
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else:
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self.event_queue.put(ret)
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finally:
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self.console.cleanup()
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def _cancel(self):
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if os.name == 'posix' and not self.test_mode:
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# this is the way cancel() is implemented in pyserial 3.3 or newer,
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# older pyserial (3.1+) has cancellation implemented via 'select',
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# which does not work when console sends an escape sequence response
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#
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# even older pyserial (<3.1) does not have this method
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#
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# on Windows there is a different (also hacky) fix, applied above.
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#
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# note that TIOCSTI is not implemented in WSL / bash-on-Windows.
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# TODO: introduce some workaround to make it work there.
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#
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# Note: This would throw exception in testing mode when the stdin is connected to PTY.
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import fcntl
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import termios
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fcntl.ioctl(self.console.fd, termios.TIOCSTI, b'\0')
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class ConsoleParser(object):
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def __init__(self, eol='CRLF'):
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self.translate_eol = {
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'CRLF': lambda c: c.replace('\n', '\r\n'),
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'CR': lambda c: c.replace('\n', '\r'),
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'LF': lambda c: c.replace('\r', '\n'),
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}[eol]
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self.menu_key = CTRL_T
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self.exit_key = CTRL_RBRACKET
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self._pressed_menu_key = False
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def parse(self, key):
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ret = None
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if self._pressed_menu_key:
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ret = self._handle_menu_key(key)
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elif key == self.menu_key:
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self._pressed_menu_key = True
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elif key == self.exit_key:
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ret = (TAG_CMD, CMD_STOP)
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else:
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key = self.translate_eol(key)
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ret = (TAG_KEY, key)
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return ret
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def _handle_menu_key(self, c):
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ret = None
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if c == self.exit_key or c == self.menu_key: # send verbatim
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ret = (TAG_KEY, c)
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elif c in [CTRL_H, 'h', 'H', '?']:
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red_print(self.get_help_text())
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elif c == CTRL_R: # Reset device via RTS
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ret = (TAG_CMD, CMD_RESET)
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elif c == CTRL_F: # Recompile & upload
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ret = (TAG_CMD, CMD_MAKE)
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elif c in [CTRL_A, 'a', 'A']: # Recompile & upload app only
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# "CTRL-A" cannot be captured with the default settings of the Windows command line, therefore, "A" can be used
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# instead
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ret = (TAG_CMD, CMD_APP_FLASH)
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elif c == CTRL_Y: # Toggle output display
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ret = (TAG_CMD, CMD_OUTPUT_TOGGLE)
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elif c == CTRL_L: # Toggle saving output into file
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ret = (TAG_CMD, CMD_TOGGLE_LOGGING)
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elif c == CTRL_P:
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yellow_print('Pause app (enter bootloader mode), press Ctrl-T Ctrl-R to restart')
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# to fast trigger pause without press menu key
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ret = (TAG_CMD, CMD_ENTER_BOOT)
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elif c in [CTRL_X, 'x', 'X']: # Exiting from within the menu
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ret = (TAG_CMD, CMD_STOP)
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else:
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red_print('--- unknown menu character {} --'.format(key_description(c)))
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self._pressed_menu_key = False
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return ret
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def get_help_text(self):
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text = """\
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--- idf_monitor ({version}) - ESP-IDF monitor tool
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--- based on miniterm from pySerial
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---
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--- {exit:8} Exit program
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--- {menu:8} Menu escape key, followed by:
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--- Menu keys:
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--- {menu:14} Send the menu character itself to remote
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--- {exit:14} Send the exit character itself to remote
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--- {reset:14} Reset target board via RTS line
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--- {makecmd:14} Build & flash project
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--- {appmake:14} Build & flash app only
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--- {output:14} Toggle output display
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--- {log:14} Toggle saving output into file
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--- {pause:14} Reset target into bootloader to pause app via RTS line
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--- {menuexit:14} Exit program
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""".format(version=__version__,
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exit=key_description(self.exit_key),
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menu=key_description(self.menu_key),
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reset=key_description(CTRL_R),
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makecmd=key_description(CTRL_F),
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appmake=key_description(CTRL_A) + ' (or A)',
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output=key_description(CTRL_Y),
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log=key_description(CTRL_L),
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pause=key_description(CTRL_P),
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menuexit=key_description(CTRL_X) + ' (or X)')
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return textwrap.dedent(text)
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def get_next_action_text(self):
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text = """\
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--- Press {} to exit monitor.
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--- Press {} to build & flash project.
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--- Press {} to build & flash app.
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--- Press any other key to resume monitor (resets target).
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""".format(key_description(self.exit_key),
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key_description(CTRL_F),
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key_description(CTRL_A))
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return textwrap.dedent(text)
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def parse_next_action_key(self, c):
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ret = None
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if c == self.exit_key:
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ret = (TAG_CMD, CMD_STOP)
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elif c == CTRL_F: # Recompile & upload
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ret = (TAG_CMD, CMD_MAKE)
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elif c in [CTRL_A, 'a', 'A']: # Recompile & upload app only
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# "CTRL-A" cannot be captured with the default settings of the Windows command line, therefore, "A" can be used
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# instead
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ret = (TAG_CMD, CMD_APP_FLASH)
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return ret
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class SerialReader(StoppableThread):
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""" Read serial data from the serial port and push to the
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event queue, until stopped.
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"""
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def __init__(self, serial, event_queue):
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super(SerialReader, self).__init__()
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self.baud = serial.baudrate
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self.serial = serial
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self.event_queue = event_queue
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if not hasattr(self.serial, 'cancel_read'):
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# enable timeout for checking alive flag,
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# if cancel_read not available
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self.serial.timeout = 0.25
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def run(self):
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if not self.serial.is_open:
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self.serial.baudrate = self.baud
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self.serial.rts = True # Force an RTS reset on open
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self.serial.open()
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time.sleep(0.005) # Add a delay to meet the requirements of minimal EN low time (2ms for ESP32-C3)
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self.serial.rts = False
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self.serial.dtr = self.serial.dtr # usbser.sys workaround
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try:
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while self.alive:
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try:
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data = self.serial.read(self.serial.in_waiting or 1)
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except (serial.serialutil.SerialException, IOError) as e:
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data = b''
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# self.serial.open() was successful before, therefore, this is an issue related to
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# the disappearance of the device
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red_print(e)
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yellow_print('Waiting for the device to reconnect', newline='')
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self.serial.close()
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while self.alive: # so that exiting monitor works while waiting
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try:
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time.sleep(0.5)
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self.serial.open()
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break # device connected
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except serial.serialutil.SerialException:
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yellow_print('.', newline='')
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sys.stderr.flush()
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yellow_print('') # go to new line
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if len(data):
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self.event_queue.put((TAG_SERIAL, data), False)
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finally:
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self.serial.close()
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def _cancel(self):
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if hasattr(self.serial, 'cancel_read'):
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try:
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self.serial.cancel_read()
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except Exception:
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pass
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class LineMatcher(object):
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"""
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Assembles a dictionary of filtering rules based on the --print_filter
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argument of idf_monitor. Then later it is used to match lines and
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determine whether they should be shown on screen or not.
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"""
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LEVEL_N = 0
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LEVEL_E = 1
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LEVEL_W = 2
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LEVEL_I = 3
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LEVEL_D = 4
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LEVEL_V = 5
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level = {'N': LEVEL_N, 'E': LEVEL_E, 'W': LEVEL_W, 'I': LEVEL_I, 'D': LEVEL_D,
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'V': LEVEL_V, '*': LEVEL_V, '': LEVEL_V}
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def __init__(self, print_filter):
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self._dict = dict()
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self._re = re.compile(r'^(?:\033\[[01];?[0-9]+m?)?([EWIDV]) \([0-9]+\) ([^:]+): ')
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items = print_filter.split()
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if len(items) == 0:
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self._dict['*'] = self.LEVEL_V # default is to print everything
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for f in items:
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s = f.split(r':')
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if len(s) == 1:
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# specifying no warning level defaults to verbose level
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lev = self.LEVEL_V
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elif len(s) == 2:
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if len(s[0]) == 0:
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raise ValueError('No tag specified in filter ' + f)
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try:
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lev = self.level[s[1].upper()]
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except KeyError:
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raise ValueError('Unknown warning level in filter ' + f)
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else:
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raise ValueError('Missing ":" in filter ' + f)
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self._dict[s[0]] = lev
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def match(self, line):
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try:
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m = self._re.search(line)
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if m:
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lev = self.level[m.group(1)]
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if m.group(2) in self._dict:
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return self._dict[m.group(2)] >= lev
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return self._dict.get('*', self.LEVEL_N) >= lev
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except (KeyError, IndexError):
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# Regular line written with something else than ESP_LOG*
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# or an empty line.
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pass
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# We need something more than "*.N" for printing.
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return self._dict.get('*', self.LEVEL_N) > self.LEVEL_N
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|
|
|
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class SerialStopException(Exception):
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"""
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This exception is used for stopping the IDF monitor in testing mode.
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"""
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pass
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|
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|
|
class Monitor(object):
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"""
|
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Monitor application main class.
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|
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This was originally derived from miniterm.Miniterm, but it turned out to be easier to write from scratch for this
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purpose.
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Main difference is that all event processing happens in the main thread, not the worker threads.
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"""
|
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def __init__(self, serial_instance, elf_file, print_filter, make='make', encrypted=False,
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toolchain_prefix=DEFAULT_TOOLCHAIN_PREFIX, eol='CRLF',
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decode_coredumps=COREDUMP_DECODE_INFO,
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decode_panic=PANIC_DECODE_DISABLE,
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target=None,
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websocket_client=None,
|
|
enable_address_decoding=True):
|
|
super(Monitor, self).__init__()
|
|
self.event_queue = queue.Queue()
|
|
self.cmd_queue = queue.Queue()
|
|
self.console = miniterm.Console()
|
|
self.enable_address_decoding = enable_address_decoding
|
|
if os.name == 'nt':
|
|
sys.stderr = ANSIColorConverter(sys.stderr, decode_output=True)
|
|
self.console.output = ANSIColorConverter(self.console.output)
|
|
self.console.byte_output = ANSIColorConverter(self.console.byte_output)
|
|
|
|
if StrictVersion(serial.VERSION) < StrictVersion('3.3.0'):
|
|
# Use Console.getkey implementation from 3.3.0 (to be in sync with the ConsoleReader._cancel patch above)
|
|
def getkey_patched(self):
|
|
c = self.enc_stdin.read(1)
|
|
if c == chr(0x7f):
|
|
c = chr(8) # map the BS key (which yields DEL) to backspace
|
|
return c
|
|
|
|
self.console.getkey = types.MethodType(getkey_patched, self.console)
|
|
|
|
socket_mode = serial_instance.port.startswith('socket://') # testing hook - data from serial can make exit the monitor
|
|
self.serial = serial_instance
|
|
self.console_parser = ConsoleParser(eol)
|
|
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):
|
|
self.make = shlex.split(make) # allow for possibility the "make" arg is a list of arguments (for idf.py)
|
|
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)
|
|
self._invoke_processing_last_line_timer = None
|
|
self._force_line_print = False
|
|
self._output_enabled = True
|
|
self._serial_check_exit = socket_mode
|
|
self._log_file = None
|
|
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''
|
|
|
|
def invoke_processing_last_line(self):
|
|
self.event_queue.put((TAG_SERIAL_FLUSH, b''), False)
|
|
|
|
def main_loop(self):
|
|
self.console_reader.start()
|
|
self.serial_reader.start()
|
|
try:
|
|
while self.console_reader.alive and self.serial_reader.alive:
|
|
try:
|
|
item = self.cmd_queue.get_nowait()
|
|
except queue.Empty:
|
|
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)
|
|
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 further 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),))
|
|
except SerialStopException:
|
|
sys.stderr.write(ANSI_NORMAL + 'Stopping condition has been received\n')
|
|
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
|
|
sys.stderr.write(ANSI_NORMAL + '\n')
|
|
|
|
def handle_serial_input(self, data, finalize_line=False):
|
|
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)
|
|
self.check_coredump_trigger_after_print(line)
|
|
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):
|
|
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):
|
|
""" Use 'with self' to temporarily disable monitoring behaviour """
|
|
self.serial_reader.stop()
|
|
self.console_reader.stop()
|
|
|
|
def __exit__(self, *args, **kwargs):
|
|
""" Use 'with self' to temporarily disable monitoring behaviour """
|
|
self.console_reader.start()
|
|
self.serial_reader.start()
|
|
|
|
def prompt_next_action(self, reason):
|
|
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)
|
|
|
|
def run_make(self, target):
|
|
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)
|
|
|
|
def lookup_pc_address(self, pc_addr):
|
|
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))
|
|
|
|
def check_gdbstub_trigger(self, line):
|
|
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))
|
|
|
|
def check_coredump_trigger_before_print(self, line):
|
|
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')
|
|
|
|
def check_coredump_trigger_after_print(self, line):
|
|
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''
|
|
|
|
def process_coredump(self):
|
|
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:
|
|
yellow_print("Couldn't remote temporary core dump file ({})".format(e))
|
|
|
|
def check_panic_decode_trigger(self, line):
|
|
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''
|
|
|
|
def process_panic_output(self, panic_output):
|
|
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}\""
|
|
.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:
|
|
yellow_print("Couldn't remove temporary panic output file ({})".format(e))
|
|
|
|
def run_gdb(self):
|
|
with self: # disable console control
|
|
sys.stderr.write(ANSI_NORMAL)
|
|
try:
|
|
cmd = ['%sgdb' % self.toolchain_prefix,
|
|
'-ex', 'set serial baud %d' % self.serial.baudrate,
|
|
'-ex', 'target remote %s' % self.serial.port,
|
|
'-ex', 'interrupt', # monitor has already parsed the first 'reason' command, need a second
|
|
self.elf_file]
|
|
process = subprocess.Popen(cmd, cwd='.')
|
|
process.wait()
|
|
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...
|
|
self.prompt_next_action('gdb exited')
|
|
|
|
def output_enable(self, enable):
|
|
self._output_enabled = enable
|
|
|
|
def output_toggle(self):
|
|
self._output_enabled = not self._output_enabled
|
|
yellow_print('\nToggle output display: {}, Type Ctrl-T Ctrl-Y to show/disable output again.'.format(self._output_enabled))
|
|
|
|
def toggle_logging(self):
|
|
if self._log_file:
|
|
self.stop_logging()
|
|
else:
|
|
self.start_logging()
|
|
|
|
def start_logging(self):
|
|
if not self._log_file:
|
|
try:
|
|
name = 'log.{}.{}.txt'.format(os.path.splitext(os.path.basename(self.elf_file))[0],
|
|
datetime.datetime.now().strftime('%Y%m%d%H%M%S'))
|
|
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))
|
|
|
|
def stop_logging(self):
|
|
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
|
|
|
|
def _print(self, string, console_printer=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()
|
|
self._log_file.write(string)
|
|
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()
|
|
|
|
def handle_commands(self, cmd):
|
|
if cmd == CMD_STOP:
|
|
self.console_reader.stop()
|
|
self.serial_reader.stop()
|
|
elif cmd == CMD_RESET:
|
|
self.serial.setRTS(True)
|
|
self.serial.setDTR(self.serial.dtr) # usbser.sys workaround
|
|
time.sleep(0.2)
|
|
self.serial.setRTS(False)
|
|
self.serial.setDTR(self.serial.dtr) # usbser.sys workaround
|
|
self.output_enable(True)
|
|
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:
|
|
self.serial.setDTR(False) # IO0=HIGH
|
|
self.serial.setRTS(True) # EN=LOW, chip in reset
|
|
self.serial.setDTR(self.serial.dtr) # usbser.sys workaround
|
|
time.sleep(1.3) # timeouts taken from esptool.py, includes esp32r0 workaround. defaults: 0.1
|
|
self.serial.setDTR(True) # IO0=LOW
|
|
self.serial.setRTS(False) # EN=HIGH, chip out of reset
|
|
self.serial.setDTR(self.serial.dtr) # usbser.sys workaround
|
|
time.sleep(0.45) # timeouts taken from esptool.py, includes esp32r0 workaround. defaults: 0.05
|
|
self.serial.setDTR(False) # IO0=HIGH, done
|
|
else:
|
|
raise RuntimeError('Bad command data %d' % (cmd))
|
|
|
|
|
|
def main():
|
|
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',
|
|
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',
|
|
required=False,
|
|
help='Target name (used when stack dump decoding is enabled)'
|
|
)
|
|
|
|
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)
|
|
|
|
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()
|
|
finally:
|
|
if ws:
|
|
ws.close()
|
|
|
|
|
|
class WebSocketClient(object):
|
|
"""
|
|
WebSocket client used to advertise debug events to WebSocket server by sending and receiving JSON-serialized
|
|
dictionaries.
|
|
|
|
Advertisement of debug event:
|
|
{'event': 'gdb_stub', 'port': '/dev/ttyUSB1', 'prog': 'build/elf_file'} for GDB Stub, or
|
|
{'event': 'coredump', 'file': '/tmp/xy', 'prog': 'build/elf_file'} for coredump,
|
|
where 'port' is the port for the connected device, 'prog' is the full path to the ELF file and 'file' is the
|
|
generated coredump file.
|
|
|
|
Expected end of external debugging:
|
|
{'event': 'debug_finished'}
|
|
"""
|
|
|
|
RETRIES = 3
|
|
CONNECTION_RETRY_DELAY = 1
|
|
|
|
def __init__(self, url):
|
|
self.url = url
|
|
self._connect()
|
|
|
|
def _connect(self):
|
|
"""
|
|
Connect to WebSocket server at url
|
|
"""
|
|
self.close()
|
|
|
|
for _ in range(self.RETRIES):
|
|
try:
|
|
self.ws = websocket.create_connection(self.url)
|
|
break # success
|
|
except NameError:
|
|
raise RuntimeError('Please install the websocket_client package for IDE integration!')
|
|
except Exception as e:
|
|
red_print('WebSocket connection error: {}'.format(e))
|
|
time.sleep(self.CONNECTION_RETRY_DELAY)
|
|
else:
|
|
raise RuntimeError('Cannot connect to WebSocket server')
|
|
|
|
def close(self):
|
|
try:
|
|
self.ws.close()
|
|
except AttributeError:
|
|
# Not yet connected
|
|
pass
|
|
except Exception as e:
|
|
red_print('WebSocket close error: {}'.format(e))
|
|
|
|
def send(self, payload_dict):
|
|
"""
|
|
Serialize payload_dict in JSON format and send it to the server
|
|
"""
|
|
for _ in range(self.RETRIES):
|
|
try:
|
|
self.ws.send(json.dumps(payload_dict))
|
|
yellow_print('WebSocket sent: {}'.format(payload_dict))
|
|
break
|
|
except Exception as e:
|
|
red_print('WebSocket send error: {}'.format(e))
|
|
self._connect()
|
|
else:
|
|
raise RuntimeError('Cannot send to WebSocket server')
|
|
|
|
def wait(self, expect_iterable):
|
|
"""
|
|
Wait until a dictionary in JSON format is received from the server with all (key, value) tuples from
|
|
expect_iterable.
|
|
"""
|
|
for _ in range(self.RETRIES):
|
|
try:
|
|
r = self.ws.recv()
|
|
except Exception as e:
|
|
red_print('WebSocket receive error: {}'.format(e))
|
|
self._connect()
|
|
continue
|
|
obj = json.loads(r)
|
|
if all([k in obj and obj[k] == v for k, v in expect_iterable]):
|
|
yellow_print('WebSocket received: {}'.format(obj))
|
|
break
|
|
red_print('WebSocket expected: {}, received: {}'.format(dict(expect_iterable), obj))
|
|
else:
|
|
raise RuntimeError('Cannot receive from WebSocket server')
|
|
|
|
|
|
if os.name == 'nt':
|
|
# Windows console stuff
|
|
|
|
STD_OUTPUT_HANDLE = -11
|
|
STD_ERROR_HANDLE = -12
|
|
|
|
# wincon.h values
|
|
FOREGROUND_INTENSITY = 8
|
|
FOREGROUND_GREY = 7
|
|
|
|
# matches the ANSI color change sequences that IDF sends
|
|
RE_ANSI_COLOR = re.compile(b'\033\\[([01]);3([0-7])m')
|
|
|
|
# list mapping the 8 ANSI colors (the indexes) to Windows Console colors
|
|
ANSI_TO_WINDOWS_COLOR = [0, 4, 2, 6, 1, 5, 3, 7]
|
|
|
|
GetStdHandle = ctypes.windll.kernel32.GetStdHandle
|
|
SetConsoleTextAttribute = ctypes.windll.kernel32.SetConsoleTextAttribute
|
|
|
|
class ANSIColorConverter(object):
|
|
"""Class to wrap a file-like output stream, intercept ANSI color codes,
|
|
and convert them into calls to Windows SetConsoleTextAttribute.
|
|
|
|
Doesn't support all ANSI terminal code escape sequences, only the sequences IDF uses.
|
|
|
|
Ironically, in Windows this console output is normally wrapped by winpty which will then detect the console text
|
|
color changes and convert these back to ANSI color codes for MSYS' terminal to display. However this is the
|
|
least-bad working solution, as winpty doesn't support any "passthrough" mode for raw output.
|
|
"""
|
|
|
|
def __init__(self, output=None, decode_output=False):
|
|
self.output = output
|
|
self.decode_output = decode_output
|
|
self.handle = GetStdHandle(STD_ERROR_HANDLE if self.output == sys.stderr else STD_OUTPUT_HANDLE)
|
|
self.matched = b''
|
|
|
|
def _output_write(self, data):
|
|
try:
|
|
if self.decode_output:
|
|
self.output.write(data.decode())
|
|
else:
|
|
self.output.write(data)
|
|
except (IOError, OSError):
|
|
# Windows 10 bug since the Fall Creators Update, sometimes writing to console randomly throws
|
|
# an exception (however, the character is still written to the screen)
|
|
# Ref https://github.com/espressif/esp-idf/issues/1163
|
|
#
|
|
# Also possible for Windows to throw an OSError error if the data is invalid for the console
|
|
# (garbage bytes, etc)
|
|
pass
|
|
|
|
def write(self, data):
|
|
if isinstance(data, bytes):
|
|
data = bytearray(data)
|
|
else:
|
|
data = bytearray(data, 'utf-8')
|
|
for b in data:
|
|
b = bytes([b])
|
|
length = len(self.matched)
|
|
if b == b'\033': # ESC
|
|
self.matched = b
|
|
elif (length == 1 and b == b'[') or (1 < length < 7):
|
|
self.matched += b
|
|
if self.matched == ANSI_NORMAL.encode('latin-1'): # reset console
|
|
# Flush is required only with Python3 - switching color before it is printed would mess up the console
|
|
self.flush()
|
|
SetConsoleTextAttribute(self.handle, FOREGROUND_GREY)
|
|
self.matched = b''
|
|
elif len(self.matched) == 7: # could be an ANSI sequence
|
|
m = re.match(RE_ANSI_COLOR, self.matched)
|
|
if m is not None:
|
|
color = ANSI_TO_WINDOWS_COLOR[int(m.group(2))]
|
|
if m.group(1) == b'1':
|
|
color |= FOREGROUND_INTENSITY
|
|
# Flush is required only with Python3 - switching color before it is printed would mess up the console
|
|
self.flush()
|
|
SetConsoleTextAttribute(self.handle, color)
|
|
else:
|
|
self._output_write(self.matched) # not an ANSI color code, display verbatim
|
|
self.matched = b''
|
|
else:
|
|
self._output_write(b)
|
|
self.matched = b''
|
|
|
|
def flush(self):
|
|
try:
|
|
self.output.flush()
|
|
except OSError:
|
|
# Account for Windows Console refusing to accept garbage bytes (serial noise, etc)
|
|
pass
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|