99 lines
3.7 KiB
Python
99 lines
3.7 KiB
Python
# Copyright 2020 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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from __future__ import unicode_literals
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from io import open
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from tiny_test_fw import Utility
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import pexpect
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class CustomProcess(object):
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def __init__(self, cmd, logfile, verbose=True):
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self.verbose = verbose
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self.f = open(logfile, 'w')
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if self.verbose:
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Utility.console_log('Starting {} > {}'.format(cmd, self.f.name))
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self.pexpect_proc = pexpect.spawn(cmd, timeout=60, logfile=self.f, encoding='utf-8')
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def __enter__(self):
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return self
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def close(self):
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self.pexpect_proc.terminate(force=True)
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def __exit__(self, type, value, traceback):
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self.close()
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self.f.close()
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class OCDProcess(CustomProcess):
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def __init__(self, logfile_path, extra_args='', verbose=True):
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# TODO Use configuration file implied by the test environment (board)
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cmd = 'openocd {} -f board/esp32-wrover-kit-3.3v.cfg'.format(extra_args)
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super(OCDProcess, self).__init__(cmd, logfile_path, verbose)
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patterns = ['Info : Listening on port 3333 for gdb connections']
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try:
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while True:
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i = self.pexpect_proc.expect_exact(patterns, timeout=30)
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# TIMEOUT or EOF exceptions will be thrown upon other errors
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if i == 0:
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if self.verbose:
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Utility.console_log('openocd is listening for gdb connections')
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break # success
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except Exception:
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if self.verbose:
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Utility.console_log('openocd initialization has failed', 'R')
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raise
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def close(self):
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try:
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self.pexpect_proc.sendcontrol('c')
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self.pexpect_proc.expect_exact('shutdown command invoked')
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except Exception:
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if self.verbose:
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Utility.console_log('openocd needs to be killed', 'O')
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super(OCDProcess, self).close()
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class GDBProcess(CustomProcess):
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def __init__(self, logfile_path, elffile_path, target, extra_args='', verbose=True):
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cmd = 'xtensa-{}-elf-gdb {} {}'.format(target, extra_args, elffile_path)
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super(GDBProcess, self).__init__(cmd, logfile_path, verbose)
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def close(self):
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try:
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self.pexpect_proc.sendline('q')
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self.pexpect_proc.expect_exact('Quit anyway? (y or n)')
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self.pexpect_proc.sendline('y')
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self.pexpect_proc.expect_exact('Ending remote debugging.')
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except Exception:
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if self.verbose:
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Utility.console_log('gdb needs to be killed', 'O')
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super(GDBProcess, self).close()
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class TelnetProcess(CustomProcess):
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def __init__(self, logfile_path, host='localhost', port=4444, verbose=True):
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cmd = 'telnet {} {}'.format(host, port)
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super(TelnetProcess, self).__init__(cmd, logfile_path, verbose)
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def close(self):
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try:
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self.pexpect_proc.sendline('exit')
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self.pexpect_proc.expect_exact('Connection closed by foreign host.')
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except Exception:
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if self.verbose:
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Utility.console_log('telnet needs to be killed', 'O')
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super(TelnetProcess, self).close()
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