esp-idf/tools/test_idf_monitor/idf_monitor_wrapper.py

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# Copyright 2019 Espressif Systems (Shanghai) PTE LTD
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import unicode_literals
import argparse
import sys
import threading
import time
from io import open
import serial
try:
import idf_monitor
except ImportError:
sys.path.append('..')
import idf_monitor
def monitor_serial_reader_state(serial_reader, file_to_create):
"""
The purpose of this wrapper is to monitor the serial reader state of idf_monitor.py. file_to_create is created
after the serial reader thread has been started. The existence of this file will indicate to
run_test_idf_monitor.py that idf_monitor.py is ready to process inputs.
"""
while not serial_reader.serial.is_open or not serial_reader.alive:
time.sleep(1)
with open(file_to_create, 'w', encoding='utf-8'):
pass
def main():
parser = argparse.ArgumentParser('Wrapper for idf_monitor used for testing')
parser.add_argument('--port')
parser.add_argument('--print_filter')
parser.add_argument('--serial_alive_file')
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parser.add_argument('--toolchain-prefix')
parser.add_argument('--decode-panic', default='disable')
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parser.add_argument('--target', default=None)
parser.add_argument('--elf-file')
args = parser.parse_args()
serial_instance = serial.serial_for_url(args.port, 115200, do_not_open=True)
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monitor = idf_monitor.Monitor(serial_instance, args.elf_file, args.print_filter, 'make',
toolchain_prefix=args.toolchain_prefix, eol='CR',
decode_panic=args.decode_panic, target=args.target)
sys.stderr.write('Monitor instance has been created.\n')
monitor_thread = threading.Thread(target=monitor_serial_reader_state,
args=(monitor.serial_reader, args.serial_alive_file))
monitor_thread.start()
sys.stderr.write('Monitoring thread has been created.\n')
monitor.main_loop()
sys.stderr.write('Monitor loop exited.\n')
monitor_thread.join(60)
sys.stderr.write('Monitoring thread joined.\n')
if __name__ == '__main__':
main()