mirror of
https://github.com/espressif/esp-protocols.git
synced 2025-11-04 00:21:37 +01:00
99 lines
3.5 KiB
Python
99 lines
3.5 KiB
Python
# SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Unlicense OR CC0-1.0
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from __future__ import print_function, unicode_literals
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import subprocess
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import time
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from threading import Event, Thread
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import netifaces
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def is_esp32(port):
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"""
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Check if the given port is connected to an ESP32 using esptool.
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"""
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try:
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result = subprocess.run(
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['esptool.py', '--port', port, 'chip_id'],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE, check=True, text=True
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)
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return 'ESP32' in result.stdout
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except subprocess.CalledProcessError:
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return False
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def run_server(server_stop, port):
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print('Launching SLIP netif on port: {}'.format(port))
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try:
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arg_list = ['sudo', 'slattach', '-v', '-L', '-s', '115200','-p', 'slip', port]
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p = subprocess.Popen(arg_list, stdout=subprocess.PIPE, bufsize=1)
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while not server_stop.is_set():
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if p.poll() is not None:
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if p.poll() == 16:
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print('[SLIP:] Terminated: hang-up received')
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break
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else:
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raise ValueError(
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'ENV_TEST_FAILURE: SLIP terminated unexpectedly with {}'
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.format(p.poll()))
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time.sleep(0.1)
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except Exception as e:
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print(e)
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raise ValueError('ENV_TEST_FAILURE: Error running SLIP netif')
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finally:
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p.terminate()
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print('SLIP netif stopped')
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def test_examples_protocol_slip(dut):
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# the PPP test env is reused for SLIP test and it uses three ttyUSB's: two for ESP32 board and another one for the ppp server
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server_port = None
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for i in ['/dev/ttyUSB0', '/dev/ttyUSB1', '/dev/ttyUSB2']:
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if i == dut.serial.port:
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print(f'DUT port: {i}')
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elif is_esp32(i):
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print(f'Some other ESP32: {i}')
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else:
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print(f'Port for SLIP: {i}')
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server_port = i
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if server_port is None:
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print('ENV_TEST_FAILURE: Cannot locate SLIP port')
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raise
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# Attach to the SLI netif
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server_stop = Event()
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t = Thread(target=run_server, args=(server_stop, server_port))
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t.start()
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try:
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# Setups the SLIP interface
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ppp_server_timeout = time.time() + 30
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while 'sl0' not in netifaces.interfaces():
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print(
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"SLIP netif hasn't appear yet, list of active netifs:{}"
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.format(netifaces.interfaces()))
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time.sleep(0.5)
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if time.time() > ppp_server_timeout:
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raise ValueError(
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'ENV_TEST_FAILURE: SLIP netif failed to setup sl0 interface within timeout'
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)
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# Configure the SLIP interface with IP addresses of both ends
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cmd = ['sudo', 'ifconfig', 'sl0', '10.0.0.1', 'dstaddr', '10.0.0.2']
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try:
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subprocess.run(cmd, check=True)
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print('SLIP interface configured successfully.')
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except subprocess.CalledProcessError as e:
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print(f'Failed to configure SLIP interface: {e}')
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# Ping the SLIP interface with 5 packets and 10 seconds timeout
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cmd = ['ping', '10.0.0.2', '-c', '5', '-W', '10']
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try:
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subprocess.run(cmd, check=True)
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print('Pinging SLIP interface successfully.')
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except subprocess.CalledProcessError as e:
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print(f'Failed to ping SLIP interface: {e}')
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raise
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finally:
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server_stop.set()
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t.join()
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